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      1 /*
      2  *
      3  * Licensed under the Apache License, Version 2.0 (the "License");
      4  * you may not use this file except in compliance with the License.
      5  * You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software
     10  * distributed under the License is distributed on an "AS IS" BASIS,
     11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12  * See the License for the specific language governing permissions and
     13  * limitations under the License.
     14  */
     15 
     16 package com.android.internal.policy.impl;
     17 
     18 import static android.view.View.MeasureSpec.AT_MOST;
     19 import static android.view.View.MeasureSpec.EXACTLY;
     20 import static android.view.View.MeasureSpec.getMode;
     21 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
     22 import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
     23 import static android.view.WindowManager.LayoutParams.*;
     24 
     25 import android.view.ViewConfiguration;
     26 
     27 import com.android.internal.R;
     28 import com.android.internal.view.RootViewSurfaceTaker;
     29 import com.android.internal.view.StandaloneActionMode;
     30 import com.android.internal.view.menu.ContextMenuBuilder;
     31 import com.android.internal.view.menu.IconMenuPresenter;
     32 import com.android.internal.view.menu.ListMenuPresenter;
     33 import com.android.internal.view.menu.MenuBuilder;
     34 import com.android.internal.view.menu.MenuDialogHelper;
     35 import com.android.internal.view.menu.MenuPresenter;
     36 import com.android.internal.view.menu.MenuView;
     37 import com.android.internal.widget.ActionBarContainer;
     38 import com.android.internal.widget.ActionBarContextView;
     39 import com.android.internal.widget.ActionBarOverlayLayout;
     40 import com.android.internal.widget.ActionBarView;
     41 
     42 import android.app.KeyguardManager;
     43 import android.content.Context;
     44 import android.content.pm.ActivityInfo;
     45 import android.content.res.Configuration;
     46 import android.content.res.Resources;
     47 import android.content.res.TypedArray;
     48 import android.graphics.Canvas;
     49 import android.graphics.PixelFormat;
     50 import android.graphics.Rect;
     51 import android.graphics.drawable.Drawable;
     52 import android.media.AudioManager;
     53 import android.net.Uri;
     54 import android.os.Bundle;
     55 import android.os.Debug;
     56 import android.os.Handler;
     57 import android.os.Parcel;
     58 import android.os.Parcelable;
     59 import android.os.RemoteException;
     60 import android.os.ServiceManager;
     61 import android.util.AndroidRuntimeException;
     62 import android.util.DisplayMetrics;
     63 import android.util.EventLog;
     64 import android.util.Log;
     65 import android.util.Slog;
     66 import android.util.SparseArray;
     67 import android.util.TypedValue;
     68 import android.view.ActionMode;
     69 import android.view.ContextThemeWrapper;
     70 import android.view.Gravity;
     71 import android.view.IRotationWatcher;
     72 import android.view.IWindowManager;
     73 import android.view.InputEvent;
     74 import android.view.InputQueue;
     75 import android.view.KeyCharacterMap;
     76 import android.view.KeyEvent;
     77 import android.view.LayoutInflater;
     78 import android.view.Menu;
     79 import android.view.MenuItem;
     80 import android.view.MotionEvent;
     81 import android.view.SurfaceHolder;
     82 import android.view.View;
     83 import android.view.ViewGroup;
     84 import android.view.ViewManager;
     85 import android.view.ViewParent;
     86 import android.view.ViewRootImpl;
     87 import android.view.ViewStub;
     88 import android.view.Window;
     89 import android.view.WindowManager;
     90 import android.view.accessibility.AccessibilityEvent;
     91 import android.view.accessibility.AccessibilityManager;
     92 import android.view.animation.Animation;
     93 import android.view.animation.AnimationUtils;
     94 import android.widget.FrameLayout;
     95 import android.widget.ImageView;
     96 import android.widget.PopupWindow;
     97 import android.widget.ProgressBar;
     98 import android.widget.TextView;
     99 
    100 import java.lang.ref.WeakReference;
    101 import java.util.ArrayList;
    102 
    103 /**
    104  * Android-specific Window.
    105  * <p>
    106  * todo: need to pull the generic functionality out into a base class
    107  * in android.widget.
    108  */
    109 public class PhoneWindow extends Window implements MenuBuilder.Callback {
    110 
    111     private final static String TAG = "PhoneWindow";
    112 
    113     private final static boolean SWEEP_OPEN_MENU = false;
    114 
    115     /**
    116      * Simple callback used by the context menu and its submenus. The options
    117      * menu submenus do not use this (their behavior is more complex).
    118      */
    119     final DialogMenuCallback mContextMenuCallback = new DialogMenuCallback(FEATURE_CONTEXT_MENU);
    120 
    121     final TypedValue mMinWidthMajor = new TypedValue();
    122     final TypedValue mMinWidthMinor = new TypedValue();
    123     TypedValue mFixedWidthMajor;
    124     TypedValue mFixedWidthMinor;
    125     TypedValue mFixedHeightMajor;
    126     TypedValue mFixedHeightMinor;
    127 
    128     // This is the top-level view of the window, containing the window decor.
    129     private DecorView mDecor;
    130 
    131     // This is the view in which the window contents are placed. It is either
    132     // mDecor itself, or a child of mDecor where the contents go.
    133     private ViewGroup mContentParent;
    134 
    135     SurfaceHolder.Callback2 mTakeSurfaceCallback;
    136 
    137     InputQueue.Callback mTakeInputQueueCallback;
    138 
    139     private boolean mIsFloating;
    140 
    141     private LayoutInflater mLayoutInflater;
    142 
    143     private TextView mTitleView;
    144 
    145     private ActionBarView mActionBar;
    146     private ActionMenuPresenterCallback mActionMenuPresenterCallback;
    147     private PanelMenuPresenterCallback mPanelMenuPresenterCallback;
    148 
    149     // The icon resource has been explicitly set elsewhere
    150     // and should not be overwritten with a default.
    151     static final int FLAG_RESOURCE_SET_ICON = 1 << 0;
    152 
    153     // The logo resource has been explicitly set elsewhere
    154     // and should not be overwritten with a default.
    155     static final int FLAG_RESOURCE_SET_LOGO = 1 << 1;
    156 
    157     // The icon resource is currently configured to use the system fallback
    158     // as no default was previously specified. Anything can override this.
    159     static final int FLAG_RESOURCE_SET_ICON_FALLBACK = 1 << 2;
    160 
    161     int mResourcesSetFlags;
    162     int mIconRes;
    163     int mLogoRes;
    164 
    165     private DrawableFeatureState[] mDrawables;
    166 
    167     private PanelFeatureState[] mPanels;
    168 
    169     /**
    170      * The panel that is prepared or opened (the most recent one if there are
    171      * multiple panels). Shortcuts will go to this panel. It gets set in
    172      * {@link #preparePanel} and cleared in {@link #closePanel}.
    173      */
    174     private PanelFeatureState mPreparedPanel;
    175 
    176     /**
    177      * The keycode that is currently held down (as a modifier) for chording. If
    178      * this is 0, there is no key held down.
    179      */
    180     private int mPanelChordingKey;
    181 
    182     private ImageView mLeftIconView;
    183 
    184     private ImageView mRightIconView;
    185 
    186     private ProgressBar mCircularProgressBar;
    187 
    188     private ProgressBar mHorizontalProgressBar;
    189 
    190     private int mBackgroundResource = 0;
    191 
    192     private Drawable mBackgroundDrawable;
    193 
    194     private int mFrameResource = 0;
    195 
    196     private int mTextColor = 0;
    197 
    198     private CharSequence mTitle = null;
    199 
    200     private int mTitleColor = 0;
    201 
    202     private boolean mAlwaysReadCloseOnTouchAttr = false;
    203 
    204     private ContextMenuBuilder mContextMenu;
    205     private MenuDialogHelper mContextMenuHelper;
    206     private boolean mClosingActionMenu;
    207 
    208     private int mVolumeControlStreamType = AudioManager.USE_DEFAULT_STREAM_TYPE;
    209 
    210     private AudioManager mAudioManager;
    211     private KeyguardManager mKeyguardManager;
    212 
    213     private int mUiOptions = 0;
    214 
    215     private boolean mInvalidatePanelMenuPosted;
    216     private int mInvalidatePanelMenuFeatures;
    217     private final Runnable mInvalidatePanelMenuRunnable = new Runnable() {
    218         @Override public void run() {
    219             for (int i = 0; i <= FEATURE_MAX; i++) {
    220                 if ((mInvalidatePanelMenuFeatures & 1 << i) != 0) {
    221                     doInvalidatePanelMenu(i);
    222                 }
    223             }
    224             mInvalidatePanelMenuPosted = false;
    225             mInvalidatePanelMenuFeatures = 0;
    226         }
    227     };
    228 
    229     static class WindowManagerHolder {
    230         static final IWindowManager sWindowManager = IWindowManager.Stub.asInterface(
    231                 ServiceManager.getService("window"));
    232     }
    233 
    234     static final RotationWatcher sRotationWatcher = new RotationWatcher();
    235 
    236     public PhoneWindow(Context context) {
    237         super(context);
    238         mLayoutInflater = LayoutInflater.from(context);
    239     }
    240 
    241     @Override
    242     public final void setContainer(Window container) {
    243         super.setContainer(container);
    244     }
    245 
    246     @Override
    247     public boolean requestFeature(int featureId) {
    248         if (mContentParent != null) {
    249             throw new AndroidRuntimeException("requestFeature() must be called before adding content");
    250         }
    251         final int features = getFeatures();
    252         if ((features != DEFAULT_FEATURES) && (featureId == FEATURE_CUSTOM_TITLE)) {
    253 
    254             /* Another feature is enabled and the user is trying to enable the custom title feature */
    255             throw new AndroidRuntimeException("You cannot combine custom titles with other title features");
    256         }
    257         if (((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) &&
    258                 (featureId != FEATURE_CUSTOM_TITLE) && (featureId != FEATURE_ACTION_MODE_OVERLAY)) {
    259 
    260             /* Custom title feature is enabled and the user is trying to enable another feature */
    261             throw new AndroidRuntimeException("You cannot combine custom titles with other title features");
    262         }
    263         if ((features & (1 << FEATURE_NO_TITLE)) != 0 && featureId == FEATURE_ACTION_BAR) {
    264             return false; // Ignore. No title dominates.
    265         }
    266         if ((features & (1 << FEATURE_ACTION_BAR)) != 0 && featureId == FEATURE_NO_TITLE) {
    267             // Remove the action bar feature if we have no title. No title dominates.
    268             removeFeature(FEATURE_ACTION_BAR);
    269         }
    270         return super.requestFeature(featureId);
    271     }
    272 
    273     @Override
    274     public void setUiOptions(int uiOptions) {
    275         mUiOptions = uiOptions;
    276     }
    277 
    278     @Override
    279     public void setUiOptions(int uiOptions, int mask) {
    280         mUiOptions = (mUiOptions & ~mask) | (uiOptions & mask);
    281     }
    282 
    283     @Override
    284     public void setContentView(int layoutResID) {
    285         if (mContentParent == null) {
    286             installDecor();
    287         } else {
    288             mContentParent.removeAllViews();
    289         }
    290         mLayoutInflater.inflate(layoutResID, mContentParent);
    291         final Callback cb = getCallback();
    292         if (cb != null && !isDestroyed()) {
    293             cb.onContentChanged();
    294         }
    295     }
    296 
    297     @Override
    298     public void setContentView(View view) {
    299         setContentView(view, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
    300     }
    301 
    302     @Override
    303     public void setContentView(View view, ViewGroup.LayoutParams params) {
    304         if (mContentParent == null) {
    305             installDecor();
    306         } else {
    307             mContentParent.removeAllViews();
    308         }
    309         mContentParent.addView(view, params);
    310         final Callback cb = getCallback();
    311         if (cb != null && !isDestroyed()) {
    312             cb.onContentChanged();
    313         }
    314     }
    315 
    316     @Override
    317     public void addContentView(View view, ViewGroup.LayoutParams params) {
    318         if (mContentParent == null) {
    319             installDecor();
    320         }
    321         mContentParent.addView(view, params);
    322         final Callback cb = getCallback();
    323         if (cb != null && !isDestroyed()) {
    324             cb.onContentChanged();
    325         }
    326     }
    327 
    328     @Override
    329     public View getCurrentFocus() {
    330         return mDecor != null ? mDecor.findFocus() : null;
    331     }
    332 
    333     @Override
    334     public void takeSurface(SurfaceHolder.Callback2 callback) {
    335         mTakeSurfaceCallback = callback;
    336     }
    337 
    338     public void takeInputQueue(InputQueue.Callback callback) {
    339         mTakeInputQueueCallback = callback;
    340     }
    341 
    342     @Override
    343     public boolean isFloating() {
    344         return mIsFloating;
    345     }
    346 
    347     /**
    348      * Return a LayoutInflater instance that can be used to inflate XML view layout
    349      * resources for use in this Window.
    350      *
    351      * @return LayoutInflater The shared LayoutInflater.
    352      */
    353     @Override
    354     public LayoutInflater getLayoutInflater() {
    355         return mLayoutInflater;
    356     }
    357 
    358     @Override
    359     public void setTitle(CharSequence title) {
    360         if (mTitleView != null) {
    361             mTitleView.setText(title);
    362         } else if (mActionBar != null) {
    363             mActionBar.setWindowTitle(title);
    364         }
    365         mTitle = title;
    366     }
    367 
    368     @Override
    369     public void setTitleColor(int textColor) {
    370         if (mTitleView != null) {
    371             mTitleView.setTextColor(textColor);
    372         }
    373         mTitleColor = textColor;
    374     }
    375 
    376     /**
    377      * Prepares the panel to either be opened or chorded. This creates the Menu
    378      * instance for the panel and populates it via the Activity callbacks.
    379      *
    380      * @param st The panel state to prepare.
    381      * @param event The event that triggered the preparing of the panel.
    382      * @return Whether the panel was prepared. If the panel should not be shown,
    383      *         returns false.
    384      */
    385     public final boolean preparePanel(PanelFeatureState st, KeyEvent event) {
    386         if (isDestroyed()) {
    387             return false;
    388         }
    389 
    390         // Already prepared (isPrepared will be reset to false later)
    391         if (st.isPrepared) {
    392             return true;
    393         }
    394 
    395         if ((mPreparedPanel != null) && (mPreparedPanel != st)) {
    396             // Another Panel is prepared and possibly open, so close it
    397             closePanel(mPreparedPanel, false);
    398         }
    399 
    400         final Callback cb = getCallback();
    401 
    402         if (cb != null) {
    403             st.createdPanelView = cb.onCreatePanelView(st.featureId);
    404         }
    405 
    406         final boolean isActionBarMenu =
    407                 (st.featureId == FEATURE_OPTIONS_PANEL || st.featureId == FEATURE_ACTION_BAR);
    408 
    409         if (isActionBarMenu && mActionBar != null) {
    410             // Enforce ordering guarantees around events so that the action bar never
    411             // dispatches menu-related events before the panel is prepared.
    412             mActionBar.setMenuPrepared();
    413         }
    414 
    415         if (st.createdPanelView == null) {
    416             // Init the panel state's menu--return false if init failed
    417             if (st.menu == null || st.refreshMenuContent) {
    418                 if (st.menu == null) {
    419                     if (!initializePanelMenu(st) || (st.menu == null)) {
    420                         return false;
    421                     }
    422                 }
    423 
    424                 if (isActionBarMenu && mActionBar != null) {
    425                     if (mActionMenuPresenterCallback == null) {
    426                         mActionMenuPresenterCallback = new ActionMenuPresenterCallback();
    427                     }
    428                     mActionBar.setMenu(st.menu, mActionMenuPresenterCallback);
    429                 }
    430 
    431                 // Call callback, and return if it doesn't want to display menu.
    432 
    433                 // Creating the panel menu will involve a lot of manipulation;
    434                 // don't dispatch change events to presenters until we're done.
    435                 st.menu.stopDispatchingItemsChanged();
    436                 if ((cb == null) || !cb.onCreatePanelMenu(st.featureId, st.menu)) {
    437                     // Ditch the menu created above
    438                     st.setMenu(null);
    439 
    440                     if (isActionBarMenu && mActionBar != null) {
    441                         // Don't show it in the action bar either
    442                         mActionBar.setMenu(null, mActionMenuPresenterCallback);
    443                     }
    444 
    445                     return false;
    446                 }
    447 
    448                 st.refreshMenuContent = false;
    449             }
    450 
    451             // Callback and return if the callback does not want to show the menu
    452 
    453             // Preparing the panel menu can involve a lot of manipulation;
    454             // don't dispatch change events to presenters until we're done.
    455             st.menu.stopDispatchingItemsChanged();
    456 
    457             // Restore action view state before we prepare. This gives apps
    458             // an opportunity to override frozen/restored state in onPrepare.
    459             if (st.frozenActionViewState != null) {
    460                 st.menu.restoreActionViewStates(st.frozenActionViewState);
    461                 st.frozenActionViewState = null;
    462             }
    463 
    464             if (!cb.onPreparePanel(st.featureId, st.createdPanelView, st.menu)) {
    465                 if (isActionBarMenu && mActionBar != null) {
    466                     // The app didn't want to show the menu for now but it still exists.
    467                     // Clear it out of the action bar.
    468                     mActionBar.setMenu(null, mActionMenuPresenterCallback);
    469                 }
    470                 st.menu.startDispatchingItemsChanged();
    471                 return false;
    472             }
    473 
    474             // Set the proper keymap
    475             KeyCharacterMap kmap = KeyCharacterMap.load(
    476                     event != null ? event.getDeviceId() : KeyCharacterMap.VIRTUAL_KEYBOARD);
    477             st.qwertyMode = kmap.getKeyboardType() != KeyCharacterMap.NUMERIC;
    478             st.menu.setQwertyMode(st.qwertyMode);
    479             st.menu.startDispatchingItemsChanged();
    480         }
    481 
    482         // Set other state
    483         st.isPrepared = true;
    484         st.isHandled = false;
    485         mPreparedPanel = st;
    486 
    487         return true;
    488     }
    489 
    490     @Override
    491     public void onConfigurationChanged(Configuration newConfig) {
    492         // Action bars handle their own menu state
    493         if (mActionBar == null) {
    494             PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
    495             if ((st != null) && (st.menu != null)) {
    496                 if (st.isOpen) {
    497                     // Freeze state
    498                     final Bundle state = new Bundle();
    499                     if (st.iconMenuPresenter != null) {
    500                         st.iconMenuPresenter.saveHierarchyState(state);
    501                     }
    502                     if (st.listMenuPresenter != null) {
    503                         st.listMenuPresenter.saveHierarchyState(state);
    504                     }
    505 
    506                     // Remove the menu views since they need to be recreated
    507                     // according to the new configuration
    508                     clearMenuViews(st);
    509 
    510                     // Re-open the same menu
    511                     reopenMenu(false);
    512 
    513                     // Restore state
    514                     if (st.iconMenuPresenter != null) {
    515                         st.iconMenuPresenter.restoreHierarchyState(state);
    516                     }
    517                     if (st.listMenuPresenter != null) {
    518                         st.listMenuPresenter.restoreHierarchyState(state);
    519                     }
    520 
    521                 } else {
    522                     // Clear menu views so on next menu opening, it will use
    523                     // the proper layout
    524                     clearMenuViews(st);
    525                 }
    526             }
    527         }
    528     }
    529 
    530     private static void clearMenuViews(PanelFeatureState st) {
    531         // This can be called on config changes, so we should make sure
    532         // the views will be reconstructed based on the new orientation, etc.
    533 
    534         // Allow the callback to create a new panel view
    535         st.createdPanelView = null;
    536 
    537         // Causes the decor view to be recreated
    538         st.refreshDecorView = true;
    539 
    540         st.clearMenuPresenters();
    541     }
    542 
    543     @Override
    544     public final void openPanel(int featureId, KeyEvent event) {
    545         if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
    546                 mActionBar.isOverflowReserved() &&
    547                 !ViewConfiguration.get(getContext()).hasPermanentMenuKey()) {
    548             if (mActionBar.getVisibility() == View.VISIBLE) {
    549                 mActionBar.showOverflowMenu();
    550             }
    551         } else {
    552             openPanel(getPanelState(featureId, true), event);
    553         }
    554     }
    555 
    556     private void openPanel(final PanelFeatureState st, KeyEvent event) {
    557         // System.out.println("Open panel: isOpen=" + st.isOpen);
    558 
    559         // Already open, return
    560         if (st.isOpen || isDestroyed()) {
    561             return;
    562         }
    563 
    564         // Don't open an options panel for honeycomb apps on xlarge devices.
    565         // (The app should be using an action bar for menu items.)
    566         if (st.featureId == FEATURE_OPTIONS_PANEL) {
    567             Context context = getContext();
    568             Configuration config = context.getResources().getConfiguration();
    569             boolean isXLarge = (config.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) ==
    570                     Configuration.SCREENLAYOUT_SIZE_XLARGE;
    571             boolean isHoneycombApp = context.getApplicationInfo().targetSdkVersion >=
    572                     android.os.Build.VERSION_CODES.HONEYCOMB;
    573 
    574             if (isXLarge && isHoneycombApp) {
    575                 return;
    576             }
    577         }
    578 
    579         Callback cb = getCallback();
    580         if ((cb != null) && (!cb.onMenuOpened(st.featureId, st.menu))) {
    581             // Callback doesn't want the menu to open, reset any state
    582             closePanel(st, true);
    583             return;
    584         }
    585 
    586         final WindowManager wm = getWindowManager();
    587         if (wm == null) {
    588             return;
    589         }
    590 
    591         // Prepare panel (should have been done before, but just in case)
    592         if (!preparePanel(st, event)) {
    593             return;
    594         }
    595 
    596         int width = WRAP_CONTENT;
    597         if (st.decorView == null || st.refreshDecorView) {
    598             if (st.decorView == null) {
    599                 // Initialize the panel decor, this will populate st.decorView
    600                 if (!initializePanelDecor(st) || (st.decorView == null))
    601                     return;
    602             } else if (st.refreshDecorView && (st.decorView.getChildCount() > 0)) {
    603                 // Decor needs refreshing, so remove its views
    604                 st.decorView.removeAllViews();
    605             }
    606 
    607             // This will populate st.shownPanelView
    608             if (!initializePanelContent(st) || !st.hasPanelItems()) {
    609                 return;
    610             }
    611 
    612             ViewGroup.LayoutParams lp = st.shownPanelView.getLayoutParams();
    613             if (lp == null) {
    614                 lp = new ViewGroup.LayoutParams(WRAP_CONTENT, WRAP_CONTENT);
    615             }
    616 
    617             int backgroundResId;
    618             if (lp.width == ViewGroup.LayoutParams.MATCH_PARENT) {
    619                 // If the contents is fill parent for the width, set the
    620                 // corresponding background
    621                 backgroundResId = st.fullBackground;
    622                 width = MATCH_PARENT;
    623             } else {
    624                 // Otherwise, set the normal panel background
    625                 backgroundResId = st.background;
    626             }
    627             st.decorView.setWindowBackground(getContext().getResources().getDrawable(
    628                     backgroundResId));
    629 
    630             ViewParent shownPanelParent = st.shownPanelView.getParent();
    631             if (shownPanelParent != null && shownPanelParent instanceof ViewGroup) {
    632                 ((ViewGroup) shownPanelParent).removeView(st.shownPanelView);
    633             }
    634             st.decorView.addView(st.shownPanelView, lp);
    635 
    636             /*
    637              * Give focus to the view, if it or one of its children does not
    638              * already have it.
    639              */
    640             if (!st.shownPanelView.hasFocus()) {
    641                 st.shownPanelView.requestFocus();
    642             }
    643         } else if (!st.isInListMode()) {
    644             width = MATCH_PARENT;
    645         } else if (st.createdPanelView != null) {
    646             // If we already had a panel view, carry width=MATCH_PARENT through
    647             // as we did above when it was created.
    648             ViewGroup.LayoutParams lp = st.createdPanelView.getLayoutParams();
    649             if (lp != null && lp.width == ViewGroup.LayoutParams.MATCH_PARENT) {
    650                 width = MATCH_PARENT;
    651             }
    652         }
    653 
    654         st.isHandled = false;
    655 
    656         WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
    657                 width, WRAP_CONTENT,
    658                 st.x, st.y, WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG,
    659                 WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
    660                 | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
    661                 st.decorView.mDefaultOpacity);
    662 
    663         if (st.isCompact) {
    664             lp.gravity = getOptionsPanelGravity();
    665             sRotationWatcher.addWindow(this);
    666         } else {
    667             lp.gravity = st.gravity;
    668         }
    669 
    670         lp.windowAnimations = st.windowAnimations;
    671 
    672         wm.addView(st.decorView, lp);
    673         st.isOpen = true;
    674         // Log.v(TAG, "Adding main menu to window manager.");
    675     }
    676 
    677     @Override
    678     public final void closePanel(int featureId) {
    679         if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
    680                 mActionBar.isOverflowReserved() &&
    681                 !ViewConfiguration.get(getContext()).hasPermanentMenuKey()) {
    682             mActionBar.hideOverflowMenu();
    683         } else if (featureId == FEATURE_CONTEXT_MENU) {
    684             closeContextMenu();
    685         } else {
    686             closePanel(getPanelState(featureId, true), true);
    687         }
    688     }
    689 
    690     /**
    691      * Closes the given panel.
    692      *
    693      * @param st The panel to be closed.
    694      * @param doCallback Whether to notify the callback that the panel was
    695      *            closed. If the panel is in the process of re-opening or
    696      *            opening another panel (e.g., menu opening a sub menu), the
    697      *            callback should not happen and this variable should be false.
    698      *            In addition, this method internally will only perform the
    699      *            callback if the panel is open.
    700      */
    701     public final void closePanel(PanelFeatureState st, boolean doCallback) {
    702         // System.out.println("Close panel: isOpen=" + st.isOpen);
    703         if (doCallback && st.featureId == FEATURE_OPTIONS_PANEL &&
    704                 mActionBar != null && mActionBar.isOverflowMenuShowing()) {
    705             checkCloseActionMenu(st.menu);
    706             return;
    707         }
    708 
    709         final ViewManager wm = getWindowManager();
    710         if ((wm != null) && st.isOpen) {
    711             if (st.decorView != null) {
    712                 wm.removeView(st.decorView);
    713                 // Log.v(TAG, "Removing main menu from window manager.");
    714                 if (st.isCompact) {
    715                     sRotationWatcher.removeWindow(this);
    716                 }
    717             }
    718 
    719             if (doCallback) {
    720                 callOnPanelClosed(st.featureId, st, null);
    721             }
    722         }
    723 
    724         st.isPrepared = false;
    725         st.isHandled = false;
    726         st.isOpen = false;
    727 
    728         // This view is no longer shown, so null it out
    729         st.shownPanelView = null;
    730 
    731         if (st.isInExpandedMode) {
    732             // Next time the menu opens, it should not be in expanded mode, so
    733             // force a refresh of the decor
    734             st.refreshDecorView = true;
    735             st.isInExpandedMode = false;
    736         }
    737 
    738         if (mPreparedPanel == st) {
    739             mPreparedPanel = null;
    740             mPanelChordingKey = 0;
    741         }
    742     }
    743 
    744     void checkCloseActionMenu(Menu menu) {
    745         if (mClosingActionMenu) {
    746             return;
    747         }
    748 
    749         mClosingActionMenu = true;
    750         mActionBar.dismissPopupMenus();
    751         Callback cb = getCallback();
    752         if (cb != null && !isDestroyed()) {
    753             cb.onPanelClosed(FEATURE_ACTION_BAR, menu);
    754         }
    755         mClosingActionMenu = false;
    756     }
    757 
    758     @Override
    759     public final void togglePanel(int featureId, KeyEvent event) {
    760         PanelFeatureState st = getPanelState(featureId, true);
    761         if (st.isOpen) {
    762             closePanel(st, true);
    763         } else {
    764             openPanel(st, event);
    765         }
    766     }
    767 
    768     @Override
    769     public void invalidatePanelMenu(int featureId) {
    770         mInvalidatePanelMenuFeatures |= 1 << featureId;
    771 
    772         if (!mInvalidatePanelMenuPosted && mDecor != null) {
    773             mDecor.postOnAnimation(mInvalidatePanelMenuRunnable);
    774             mInvalidatePanelMenuPosted = true;
    775         }
    776     }
    777 
    778     void doInvalidatePanelMenu(int featureId) {
    779         PanelFeatureState st = getPanelState(featureId, true);
    780         Bundle savedActionViewStates = null;
    781         if (st.menu != null) {
    782             savedActionViewStates = new Bundle();
    783             st.menu.saveActionViewStates(savedActionViewStates);
    784             if (savedActionViewStates.size() > 0) {
    785                 st.frozenActionViewState = savedActionViewStates;
    786             }
    787             // This will be started again when the panel is prepared.
    788             st.menu.stopDispatchingItemsChanged();
    789             st.menu.clear();
    790         }
    791         st.refreshMenuContent = true;
    792         st.refreshDecorView = true;
    793 
    794         // Prepare the options panel if we have an action bar
    795         if ((featureId == FEATURE_ACTION_BAR || featureId == FEATURE_OPTIONS_PANEL)
    796                 && mActionBar != null) {
    797             st = getPanelState(Window.FEATURE_OPTIONS_PANEL, false);
    798             if (st != null) {
    799                 st.isPrepared = false;
    800                 preparePanel(st, null);
    801             }
    802         }
    803     }
    804 
    805     /**
    806      * Called when the panel key is pushed down.
    807      * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}.
    808      * @param event The key event.
    809      * @return Whether the key was handled.
    810      */
    811     public final boolean onKeyDownPanel(int featureId, KeyEvent event) {
    812         final int keyCode = event.getKeyCode();
    813 
    814         if (event.getRepeatCount() == 0) {
    815             // The panel key was pushed, so set the chording key
    816             mPanelChordingKey = keyCode;
    817 
    818             PanelFeatureState st = getPanelState(featureId, true);
    819             if (!st.isOpen) {
    820                 return preparePanel(st, event);
    821             }
    822         }
    823 
    824         return false;
    825     }
    826 
    827     /**
    828      * Called when the panel key is released.
    829      * @param featureId The feature ID of the relevant panel (defaults to FEATURE_OPTIONS_PANEL}.
    830      * @param event The key event.
    831      */
    832     public final void onKeyUpPanel(int featureId, KeyEvent event) {
    833         // The panel key was released, so clear the chording key
    834         if (mPanelChordingKey != 0) {
    835             mPanelChordingKey = 0;
    836 
    837             if (event.isCanceled() || (mDecor != null && mDecor.mActionMode != null)) {
    838                 return;
    839             }
    840 
    841             boolean playSoundEffect = false;
    842             final PanelFeatureState st = getPanelState(featureId, true);
    843             if (featureId == FEATURE_OPTIONS_PANEL && mActionBar != null &&
    844                     mActionBar.isOverflowReserved() &&
    845                     !ViewConfiguration.get(getContext()).hasPermanentMenuKey()) {
    846                 if (mActionBar.getVisibility() == View.VISIBLE) {
    847                     if (!mActionBar.isOverflowMenuShowing()) {
    848                         if (!isDestroyed() && preparePanel(st, event)) {
    849                             playSoundEffect = mActionBar.showOverflowMenu();
    850                         }
    851                     } else {
    852                         playSoundEffect = mActionBar.hideOverflowMenu();
    853                     }
    854                 }
    855             } else {
    856                 if (st.isOpen || st.isHandled) {
    857 
    858                     // Play the sound effect if the user closed an open menu (and not if
    859                     // they just released a menu shortcut)
    860                     playSoundEffect = st.isOpen;
    861 
    862                     // Close menu
    863                     closePanel(st, true);
    864 
    865                 } else if (st.isPrepared) {
    866                     boolean show = true;
    867                     if (st.refreshMenuContent) {
    868                         // Something may have invalidated the menu since we prepared it.
    869                         // Re-prepare it to refresh.
    870                         st.isPrepared = false;
    871                         show = preparePanel(st, event);
    872                     }
    873 
    874                     if (show) {
    875                         // Write 'menu opened' to event log
    876                         EventLog.writeEvent(50001, 0);
    877 
    878                         // Show menu
    879                         openPanel(st, event);
    880 
    881                         playSoundEffect = true;
    882                     }
    883                 }
    884             }
    885 
    886             if (playSoundEffect) {
    887                 AudioManager audioManager = (AudioManager) getContext().getSystemService(
    888                         Context.AUDIO_SERVICE);
    889                 if (audioManager != null) {
    890                     audioManager.playSoundEffect(AudioManager.FX_KEY_CLICK);
    891                 } else {
    892                     Log.w(TAG, "Couldn't get audio manager");
    893                 }
    894             }
    895         }
    896     }
    897 
    898     @Override
    899     public final void closeAllPanels() {
    900         final ViewManager wm = getWindowManager();
    901         if (wm == null) {
    902             return;
    903         }
    904 
    905         final PanelFeatureState[] panels = mPanels;
    906         final int N = panels != null ? panels.length : 0;
    907         for (int i = 0; i < N; i++) {
    908             final PanelFeatureState panel = panels[i];
    909             if (panel != null) {
    910                 closePanel(panel, true);
    911             }
    912         }
    913 
    914         closeContextMenu();
    915     }
    916 
    917     /**
    918      * Closes the context menu. This notifies the menu logic of the close, along
    919      * with dismissing it from the UI.
    920      */
    921     private synchronized void closeContextMenu() {
    922         if (mContextMenu != null) {
    923             mContextMenu.close();
    924             dismissContextMenu();
    925         }
    926     }
    927 
    928     /**
    929      * Dismisses just the context menu UI. To close the context menu, use
    930      * {@link #closeContextMenu()}.
    931      */
    932     private synchronized void dismissContextMenu() {
    933         mContextMenu = null;
    934 
    935         if (mContextMenuHelper != null) {
    936             mContextMenuHelper.dismiss();
    937             mContextMenuHelper = null;
    938         }
    939     }
    940 
    941     @Override
    942     public boolean performPanelShortcut(int featureId, int keyCode, KeyEvent event, int flags) {
    943         return performPanelShortcut(getPanelState(featureId, true), keyCode, event, flags);
    944     }
    945 
    946     private boolean performPanelShortcut(PanelFeatureState st, int keyCode, KeyEvent event,
    947             int flags) {
    948         if (event.isSystem() || (st == null)) {
    949             return false;
    950         }
    951 
    952         boolean handled = false;
    953 
    954         // Only try to perform menu shortcuts if preparePanel returned true (possible false
    955         // return value from application not wanting to show the menu).
    956         if ((st.isPrepared || preparePanel(st, event)) && st.menu != null) {
    957             // The menu is prepared now, perform the shortcut on it
    958             handled = st.menu.performShortcut(keyCode, event, flags);
    959         }
    960 
    961         if (handled) {
    962             // Mark as handled
    963             st.isHandled = true;
    964 
    965             // Only close down the menu if we don't have an action bar keeping it open.
    966             if ((flags & Menu.FLAG_PERFORM_NO_CLOSE) == 0 && mActionBar == null) {
    967                 closePanel(st, true);
    968             }
    969         }
    970 
    971         return handled;
    972     }
    973 
    974     @Override
    975     public boolean performPanelIdentifierAction(int featureId, int id, int flags) {
    976 
    977         PanelFeatureState st = getPanelState(featureId, true);
    978         if (!preparePanel(st, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU))) {
    979             return false;
    980         }
    981         if (st.menu == null) {
    982             return false;
    983         }
    984 
    985         boolean res = st.menu.performIdentifierAction(id, flags);
    986 
    987         // Only close down the menu if we don't have an action bar keeping it open.
    988         if (mActionBar == null) {
    989             closePanel(st, true);
    990         }
    991 
    992         return res;
    993     }
    994 
    995     public PanelFeatureState findMenuPanel(Menu menu) {
    996         final PanelFeatureState[] panels = mPanels;
    997         final int N = panels != null ? panels.length : 0;
    998         for (int i = 0; i < N; i++) {
    999             final PanelFeatureState panel = panels[i];
   1000             if (panel != null && panel.menu == menu) {
   1001                 return panel;
   1002             }
   1003         }
   1004         return null;
   1005     }
   1006 
   1007     public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
   1008         final Callback cb = getCallback();
   1009         if (cb != null && !isDestroyed()) {
   1010             final PanelFeatureState panel = findMenuPanel(menu.getRootMenu());
   1011             if (panel != null) {
   1012                 return cb.onMenuItemSelected(panel.featureId, item);
   1013             }
   1014         }
   1015         return false;
   1016     }
   1017 
   1018     public void onMenuModeChange(MenuBuilder menu) {
   1019         reopenMenu(true);
   1020     }
   1021 
   1022     private void reopenMenu(boolean toggleMenuMode) {
   1023         if (mActionBar != null && mActionBar.isOverflowReserved() &&
   1024                 (!ViewConfiguration.get(getContext()).hasPermanentMenuKey() ||
   1025                         mActionBar.isOverflowMenuShowPending())) {
   1026             final Callback cb = getCallback();
   1027             if (!mActionBar.isOverflowMenuShowing() || !toggleMenuMode) {
   1028                 if (cb != null && !isDestroyed() && mActionBar.getVisibility() == View.VISIBLE) {
   1029                     // If we have a menu invalidation pending, do it now.
   1030                     if (mInvalidatePanelMenuPosted &&
   1031                             (mInvalidatePanelMenuFeatures & (1 << FEATURE_OPTIONS_PANEL)) != 0) {
   1032                         mDecor.removeCallbacks(mInvalidatePanelMenuRunnable);
   1033                         mInvalidatePanelMenuRunnable.run();
   1034                     }
   1035 
   1036                     final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
   1037 
   1038                     // If we don't have a menu or we're waiting for a full content refresh,
   1039                     // forget it. This is a lingering event that no longer matters.
   1040                     if (st.menu != null && !st.refreshMenuContent &&
   1041                             cb.onPreparePanel(FEATURE_OPTIONS_PANEL, st.createdPanelView, st.menu)) {
   1042                         cb.onMenuOpened(FEATURE_ACTION_BAR, st.menu);
   1043                         mActionBar.showOverflowMenu();
   1044                     }
   1045                 }
   1046             } else {
   1047                 mActionBar.hideOverflowMenu();
   1048                 if (cb != null && !isDestroyed()) {
   1049                     final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
   1050                     cb.onPanelClosed(FEATURE_ACTION_BAR, st.menu);
   1051                 }
   1052             }
   1053             return;
   1054         }
   1055 
   1056         PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
   1057 
   1058         // Save the future expanded mode state since closePanel will reset it
   1059         boolean newExpandedMode = toggleMenuMode ? !st.isInExpandedMode : st.isInExpandedMode;
   1060 
   1061         st.refreshDecorView = true;
   1062         closePanel(st, false);
   1063 
   1064         // Set the expanded mode state
   1065         st.isInExpandedMode = newExpandedMode;
   1066 
   1067         openPanel(st, null);
   1068     }
   1069 
   1070     /**
   1071      * Initializes the menu associated with the given panel feature state. You
   1072      * must at the very least set PanelFeatureState.menu to the Menu to be
   1073      * associated with the given panel state. The default implementation creates
   1074      * a new menu for the panel state.
   1075      *
   1076      * @param st The panel whose menu is being initialized.
   1077      * @return Whether the initialization was successful.
   1078      */
   1079     protected boolean initializePanelMenu(final PanelFeatureState st) {
   1080         Context context = getContext();
   1081 
   1082         // If we have an action bar, initialize the menu with a context themed for it.
   1083         if ((st.featureId == FEATURE_OPTIONS_PANEL || st.featureId == FEATURE_ACTION_BAR) &&
   1084                 mActionBar != null) {
   1085             TypedValue outValue = new TypedValue();
   1086             Resources.Theme currentTheme = context.getTheme();
   1087             currentTheme.resolveAttribute(com.android.internal.R.attr.actionBarWidgetTheme,
   1088                     outValue, true);
   1089             final int targetThemeRes = outValue.resourceId;
   1090 
   1091             if (targetThemeRes != 0 && context.getThemeResId() != targetThemeRes) {
   1092                 context = new ContextThemeWrapper(context, targetThemeRes);
   1093             }
   1094         }
   1095 
   1096         final MenuBuilder menu = new MenuBuilder(context);
   1097 
   1098         menu.setCallback(this);
   1099         st.setMenu(menu);
   1100 
   1101         return true;
   1102     }
   1103 
   1104     /**
   1105      * Perform initial setup of a panel. This should at the very least set the
   1106      * style information in the PanelFeatureState and must set
   1107      * PanelFeatureState.decor to the panel's window decor view.
   1108      *
   1109      * @param st The panel being initialized.
   1110      */
   1111     protected boolean initializePanelDecor(PanelFeatureState st) {
   1112         st.decorView = new DecorView(getContext(), st.featureId);
   1113         st.gravity = Gravity.CENTER | Gravity.BOTTOM;
   1114         st.setStyle(getContext());
   1115 
   1116         return true;
   1117     }
   1118 
   1119     /**
   1120      * Determine the gravity value for the options panel. This can
   1121      * differ in compact mode.
   1122      *
   1123      * @return gravity value to use for the panel window
   1124      */
   1125     private int getOptionsPanelGravity() {
   1126         try {
   1127             return WindowManagerHolder.sWindowManager.getPreferredOptionsPanelGravity();
   1128         } catch (RemoteException ex) {
   1129             Log.e(TAG, "Couldn't getOptionsPanelGravity; using default", ex);
   1130             return Gravity.CENTER | Gravity.BOTTOM;
   1131         }
   1132     }
   1133 
   1134     void onOptionsPanelRotationChanged() {
   1135         final PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
   1136         if (st == null) return;
   1137 
   1138         final WindowManager.LayoutParams lp = st.decorView != null ?
   1139                 (WindowManager.LayoutParams) st.decorView.getLayoutParams() : null;
   1140         if (lp != null) {
   1141             lp.gravity = getOptionsPanelGravity();
   1142             final ViewManager wm = getWindowManager();
   1143             if (wm != null) {
   1144                 wm.updateViewLayout(st.decorView, lp);
   1145             }
   1146         }
   1147     }
   1148 
   1149     /**
   1150      * Initializes the panel associated with the panel feature state. You must
   1151      * at the very least set PanelFeatureState.panel to the View implementing
   1152      * its contents. The default implementation gets the panel from the menu.
   1153      *
   1154      * @param st The panel state being initialized.
   1155      * @return Whether the initialization was successful.
   1156      */
   1157     protected boolean initializePanelContent(PanelFeatureState st) {
   1158         if (st.createdPanelView != null) {
   1159             st.shownPanelView = st.createdPanelView;
   1160             return true;
   1161         }
   1162 
   1163         if (st.menu == null) {
   1164             return false;
   1165         }
   1166 
   1167         if (mPanelMenuPresenterCallback == null) {
   1168             mPanelMenuPresenterCallback = new PanelMenuPresenterCallback();
   1169         }
   1170 
   1171         MenuView menuView = st.isInListMode()
   1172                 ? st.getListMenuView(getContext(), mPanelMenuPresenterCallback)
   1173                 : st.getIconMenuView(getContext(), mPanelMenuPresenterCallback);
   1174 
   1175         st.shownPanelView = (View) menuView;
   1176 
   1177         if (st.shownPanelView != null) {
   1178             // Use the menu View's default animations if it has any
   1179             final int defaultAnimations = menuView.getWindowAnimations();
   1180             if (defaultAnimations != 0) {
   1181                 st.windowAnimations = defaultAnimations;
   1182             }
   1183             return true;
   1184         } else {
   1185             return false;
   1186         }
   1187     }
   1188 
   1189     @Override
   1190     public boolean performContextMenuIdentifierAction(int id, int flags) {
   1191         return (mContextMenu != null) ? mContextMenu.performIdentifierAction(id, flags) : false;
   1192     }
   1193 
   1194     @Override
   1195     public final void setBackgroundDrawable(Drawable drawable) {
   1196         if (drawable != mBackgroundDrawable || mBackgroundResource != 0) {
   1197             mBackgroundResource = 0;
   1198             mBackgroundDrawable = drawable;
   1199             if (mDecor != null) {
   1200                 mDecor.setWindowBackground(drawable);
   1201             }
   1202         }
   1203     }
   1204 
   1205     @Override
   1206     public final void setFeatureDrawableResource(int featureId, int resId) {
   1207         if (resId != 0) {
   1208             DrawableFeatureState st = getDrawableState(featureId, true);
   1209             if (st.resid != resId) {
   1210                 st.resid = resId;
   1211                 st.uri = null;
   1212                 st.local = getContext().getResources().getDrawable(resId);
   1213                 updateDrawable(featureId, st, false);
   1214             }
   1215         } else {
   1216             setFeatureDrawable(featureId, null);
   1217         }
   1218     }
   1219 
   1220     @Override
   1221     public final void setFeatureDrawableUri(int featureId, Uri uri) {
   1222         if (uri != null) {
   1223             DrawableFeatureState st = getDrawableState(featureId, true);
   1224             if (st.uri == null || !st.uri.equals(uri)) {
   1225                 st.resid = 0;
   1226                 st.uri = uri;
   1227                 st.local = loadImageURI(uri);
   1228                 updateDrawable(featureId, st, false);
   1229             }
   1230         } else {
   1231             setFeatureDrawable(featureId, null);
   1232         }
   1233     }
   1234 
   1235     @Override
   1236     public final void setFeatureDrawable(int featureId, Drawable drawable) {
   1237         DrawableFeatureState st = getDrawableState(featureId, true);
   1238         st.resid = 0;
   1239         st.uri = null;
   1240         if (st.local != drawable) {
   1241             st.local = drawable;
   1242             updateDrawable(featureId, st, false);
   1243         }
   1244     }
   1245 
   1246     @Override
   1247     public void setFeatureDrawableAlpha(int featureId, int alpha) {
   1248         DrawableFeatureState st = getDrawableState(featureId, true);
   1249         if (st.alpha != alpha) {
   1250             st.alpha = alpha;
   1251             updateDrawable(featureId, st, false);
   1252         }
   1253     }
   1254 
   1255     protected final void setFeatureDefaultDrawable(int featureId, Drawable drawable) {
   1256         DrawableFeatureState st = getDrawableState(featureId, true);
   1257         if (st.def != drawable) {
   1258             st.def = drawable;
   1259             updateDrawable(featureId, st, false);
   1260         }
   1261     }
   1262 
   1263     @Override
   1264     public final void setFeatureInt(int featureId, int value) {
   1265         // XXX Should do more management (as with drawable features) to
   1266         // deal with interactions between multiple window policies.
   1267         updateInt(featureId, value, false);
   1268     }
   1269 
   1270     /**
   1271      * Update the state of a drawable feature. This should be called, for every
   1272      * drawable feature supported, as part of onActive(), to make sure that the
   1273      * contents of a containing window is properly updated.
   1274      *
   1275      * @see #onActive
   1276      * @param featureId The desired drawable feature to change.
   1277      * @param fromActive Always true when called from onActive().
   1278      */
   1279     protected final void updateDrawable(int featureId, boolean fromActive) {
   1280         final DrawableFeatureState st = getDrawableState(featureId, false);
   1281         if (st != null) {
   1282             updateDrawable(featureId, st, fromActive);
   1283         }
   1284     }
   1285 
   1286     /**
   1287      * Called when a Drawable feature changes, for the window to update its
   1288      * graphics.
   1289      *
   1290      * @param featureId The feature being changed.
   1291      * @param drawable The new Drawable to show, or null if none.
   1292      * @param alpha The new alpha blending of the Drawable.
   1293      */
   1294     protected void onDrawableChanged(int featureId, Drawable drawable, int alpha) {
   1295         ImageView view;
   1296         if (featureId == FEATURE_LEFT_ICON) {
   1297             view = getLeftIconView();
   1298         } else if (featureId == FEATURE_RIGHT_ICON) {
   1299             view = getRightIconView();
   1300         } else {
   1301             return;
   1302         }
   1303 
   1304         if (drawable != null) {
   1305             drawable.setAlpha(alpha);
   1306             view.setImageDrawable(drawable);
   1307             view.setVisibility(View.VISIBLE);
   1308         } else {
   1309             view.setVisibility(View.GONE);
   1310         }
   1311     }
   1312 
   1313     /**
   1314      * Called when an int feature changes, for the window to update its
   1315      * graphics.
   1316      *
   1317      * @param featureId The feature being changed.
   1318      * @param value The new integer value.
   1319      */
   1320     protected void onIntChanged(int featureId, int value) {
   1321         if (featureId == FEATURE_PROGRESS || featureId == FEATURE_INDETERMINATE_PROGRESS) {
   1322             updateProgressBars(value);
   1323         } else if (featureId == FEATURE_CUSTOM_TITLE) {
   1324             FrameLayout titleContainer = (FrameLayout) findViewById(com.android.internal.R.id.title_container);
   1325             if (titleContainer != null) {
   1326                 mLayoutInflater.inflate(value, titleContainer);
   1327             }
   1328         }
   1329     }
   1330 
   1331     /**
   1332      * Updates the progress bars that are shown in the title bar.
   1333      *
   1334      * @param value Can be one of {@link Window#PROGRESS_VISIBILITY_ON},
   1335      *            {@link Window#PROGRESS_VISIBILITY_OFF},
   1336      *            {@link Window#PROGRESS_INDETERMINATE_ON},
   1337      *            {@link Window#PROGRESS_INDETERMINATE_OFF}, or a value
   1338      *            starting at {@link Window#PROGRESS_START} through
   1339      *            {@link Window#PROGRESS_END} for setting the default
   1340      *            progress (if {@link Window#PROGRESS_END} is given,
   1341      *            the progress bar widgets in the title will be hidden after an
   1342      *            animation), a value between
   1343      *            {@link Window#PROGRESS_SECONDARY_START} -
   1344      *            {@link Window#PROGRESS_SECONDARY_END} for the
   1345      *            secondary progress (if
   1346      *            {@link Window#PROGRESS_SECONDARY_END} is given, the
   1347      *            progress bar widgets will still be shown with the secondary
   1348      *            progress bar will be completely filled in.)
   1349      */
   1350     private void updateProgressBars(int value) {
   1351         ProgressBar circularProgressBar = getCircularProgressBar(true);
   1352         ProgressBar horizontalProgressBar = getHorizontalProgressBar(true);
   1353 
   1354         final int features = getLocalFeatures();
   1355         if (value == PROGRESS_VISIBILITY_ON) {
   1356             if ((features & (1 << FEATURE_PROGRESS)) != 0) {
   1357                 int level = horizontalProgressBar.getProgress();
   1358                 int visibility = (horizontalProgressBar.isIndeterminate() || level < 10000) ?
   1359                         View.VISIBLE : View.INVISIBLE;
   1360                 horizontalProgressBar.setVisibility(visibility);
   1361             }
   1362             if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
   1363                 circularProgressBar.setVisibility(View.VISIBLE);
   1364             }
   1365         } else if (value == PROGRESS_VISIBILITY_OFF) {
   1366             if ((features & (1 << FEATURE_PROGRESS)) != 0) {
   1367                 horizontalProgressBar.setVisibility(View.GONE);
   1368             }
   1369             if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
   1370                 circularProgressBar.setVisibility(View.GONE);
   1371             }
   1372         } else if (value == PROGRESS_INDETERMINATE_ON) {
   1373             horizontalProgressBar.setIndeterminate(true);
   1374         } else if (value == PROGRESS_INDETERMINATE_OFF) {
   1375             horizontalProgressBar.setIndeterminate(false);
   1376         } else if (PROGRESS_START <= value && value <= PROGRESS_END) {
   1377             // We want to set the progress value before testing for visibility
   1378             // so that when the progress bar becomes visible again, it has the
   1379             // correct level.
   1380             horizontalProgressBar.setProgress(value - PROGRESS_START);
   1381 
   1382             if (value < PROGRESS_END) {
   1383                 showProgressBars(horizontalProgressBar, circularProgressBar);
   1384             } else {
   1385                 hideProgressBars(horizontalProgressBar, circularProgressBar);
   1386             }
   1387         } else if (PROGRESS_SECONDARY_START <= value && value <= PROGRESS_SECONDARY_END) {
   1388             horizontalProgressBar.setSecondaryProgress(value - PROGRESS_SECONDARY_START);
   1389 
   1390             showProgressBars(horizontalProgressBar, circularProgressBar);
   1391         }
   1392 
   1393     }
   1394 
   1395     private void showProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) {
   1396         final int features = getLocalFeatures();
   1397         if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 &&
   1398                 spinnyProgressBar.getVisibility() == View.INVISIBLE) {
   1399             spinnyProgressBar.setVisibility(View.VISIBLE);
   1400         }
   1401         // Only show the progress bars if the primary progress is not complete
   1402         if ((features & (1 << FEATURE_PROGRESS)) != 0 &&
   1403                 horizontalProgressBar.getProgress() < 10000) {
   1404             horizontalProgressBar.setVisibility(View.VISIBLE);
   1405         }
   1406     }
   1407 
   1408     private void hideProgressBars(ProgressBar horizontalProgressBar, ProgressBar spinnyProgressBar) {
   1409         final int features = getLocalFeatures();
   1410         Animation anim = AnimationUtils.loadAnimation(getContext(), com.android.internal.R.anim.fade_out);
   1411         anim.setDuration(1000);
   1412         if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0 &&
   1413                 spinnyProgressBar.getVisibility() == View.VISIBLE) {
   1414             spinnyProgressBar.startAnimation(anim);
   1415             spinnyProgressBar.setVisibility(View.INVISIBLE);
   1416         }
   1417         if ((features & (1 << FEATURE_PROGRESS)) != 0 &&
   1418                 horizontalProgressBar.getVisibility() == View.VISIBLE) {
   1419             horizontalProgressBar.startAnimation(anim);
   1420             horizontalProgressBar.setVisibility(View.INVISIBLE);
   1421         }
   1422     }
   1423 
   1424     @Override
   1425     public void setIcon(int resId) {
   1426         mIconRes = resId;
   1427         mResourcesSetFlags |= FLAG_RESOURCE_SET_ICON;
   1428         mResourcesSetFlags &= ~FLAG_RESOURCE_SET_ICON_FALLBACK;
   1429         if (mActionBar != null) {
   1430             mActionBar.setIcon(resId);
   1431         }
   1432     }
   1433 
   1434     @Override
   1435     public void setDefaultIcon(int resId) {
   1436         if ((mResourcesSetFlags & FLAG_RESOURCE_SET_ICON) != 0) {
   1437             return;
   1438         }
   1439         mIconRes = resId;
   1440         if (mActionBar != null && (!mActionBar.hasIcon() ||
   1441                 (mResourcesSetFlags & FLAG_RESOURCE_SET_ICON_FALLBACK) != 0)) {
   1442             if (resId != 0) {
   1443                 mActionBar.setIcon(resId);
   1444                 mResourcesSetFlags &= ~FLAG_RESOURCE_SET_ICON_FALLBACK;
   1445             } else {
   1446                 mActionBar.setIcon(getContext().getPackageManager().getDefaultActivityIcon());
   1447                 mResourcesSetFlags |= FLAG_RESOURCE_SET_ICON_FALLBACK;
   1448             }
   1449         }
   1450     }
   1451 
   1452     @Override
   1453     public void setLogo(int resId) {
   1454         mLogoRes = resId;
   1455         mResourcesSetFlags |= FLAG_RESOURCE_SET_LOGO;
   1456         if (mActionBar != null) {
   1457             mActionBar.setLogo(resId);
   1458         }
   1459     }
   1460 
   1461     @Override
   1462     public void setDefaultLogo(int resId) {
   1463         if ((mResourcesSetFlags & FLAG_RESOURCE_SET_LOGO) != 0) {
   1464             return;
   1465         }
   1466         mLogoRes = resId;
   1467         if (mActionBar != null && !mActionBar.hasLogo()) {
   1468             mActionBar.setLogo(resId);
   1469         }
   1470     }
   1471 
   1472     @Override
   1473     public void setLocalFocus(boolean hasFocus, boolean inTouchMode) {
   1474         getViewRootImpl().windowFocusChanged(hasFocus, inTouchMode);
   1475 
   1476     }
   1477 
   1478     @Override
   1479     public void injectInputEvent(InputEvent event) {
   1480         getViewRootImpl().dispatchInputEvent(event);
   1481     }
   1482 
   1483     private ViewRootImpl getViewRootImpl() {
   1484         if (mDecor != null) {
   1485             ViewRootImpl viewRootImpl = mDecor.getViewRootImpl();
   1486             if (viewRootImpl != null) {
   1487                 return viewRootImpl;
   1488             }
   1489         }
   1490         throw new IllegalStateException("view not added");
   1491     }
   1492 
   1493     /**
   1494      * Request that key events come to this activity. Use this if your activity
   1495      * has no views with focus, but the activity still wants a chance to process
   1496      * key events.
   1497      */
   1498     @Override
   1499     public void takeKeyEvents(boolean get) {
   1500         mDecor.setFocusable(get);
   1501     }
   1502 
   1503     @Override
   1504     public boolean superDispatchKeyEvent(KeyEvent event) {
   1505         return mDecor.superDispatchKeyEvent(event);
   1506     }
   1507 
   1508     @Override
   1509     public boolean superDispatchKeyShortcutEvent(KeyEvent event) {
   1510         return mDecor.superDispatchKeyShortcutEvent(event);
   1511     }
   1512 
   1513     @Override
   1514     public boolean superDispatchTouchEvent(MotionEvent event) {
   1515         return mDecor.superDispatchTouchEvent(event);
   1516     }
   1517 
   1518     @Override
   1519     public boolean superDispatchTrackballEvent(MotionEvent event) {
   1520         return mDecor.superDispatchTrackballEvent(event);
   1521     }
   1522 
   1523     @Override
   1524     public boolean superDispatchGenericMotionEvent(MotionEvent event) {
   1525         return mDecor.superDispatchGenericMotionEvent(event);
   1526     }
   1527 
   1528     /**
   1529      * A key was pressed down and not handled by anything else in the window.
   1530      *
   1531      * @see #onKeyUp
   1532      * @see android.view.KeyEvent
   1533      */
   1534     protected boolean onKeyDown(int featureId, int keyCode, KeyEvent event) {
   1535         /* ****************************************************************************
   1536          * HOW TO DECIDE WHERE YOUR KEY HANDLING GOES.
   1537          *
   1538          * If your key handling must happen before the app gets a crack at the event,
   1539          * it goes in PhoneWindowManager.
   1540          *
   1541          * If your key handling should happen in all windows, and does not depend on
   1542          * the state of the current application, other than that the current
   1543          * application can override the behavior by handling the event itself, it
   1544          * should go in PhoneFallbackEventHandler.
   1545          *
   1546          * Only if your handling depends on the window, and the fact that it has
   1547          * a DecorView, should it go here.
   1548          * ****************************************************************************/
   1549 
   1550         final KeyEvent.DispatcherState dispatcher =
   1551                 mDecor != null ? mDecor.getKeyDispatcherState() : null;
   1552         //Log.i(TAG, "Key down: repeat=" + event.getRepeatCount()
   1553         //        + " flags=0x" + Integer.toHexString(event.getFlags()));
   1554 
   1555         switch (keyCode) {
   1556             case KeyEvent.KEYCODE_VOLUME_UP:
   1557             case KeyEvent.KEYCODE_VOLUME_DOWN:
   1558             case KeyEvent.KEYCODE_VOLUME_MUTE: {
   1559                 // Similar code is in PhoneFallbackEventHandler in case the window
   1560                 // doesn't have one of these.  In this case, we execute it here and
   1561                 // eat the event instead, because we have mVolumeControlStreamType
   1562                 // and they don't.
   1563                 getAudioManager().handleKeyDown(event, mVolumeControlStreamType);
   1564                 return true;
   1565             }
   1566 
   1567             case KeyEvent.KEYCODE_MENU: {
   1568                 onKeyDownPanel((featureId < 0) ? FEATURE_OPTIONS_PANEL : featureId, event);
   1569                 return true;
   1570             }
   1571 
   1572             case KeyEvent.KEYCODE_BACK: {
   1573                 if (event.getRepeatCount() > 0) break;
   1574                 if (featureId < 0) break;
   1575                 // Currently don't do anything with long press.
   1576                 if (dispatcher != null) {
   1577                     dispatcher.startTracking(event, this);
   1578                 }
   1579                 return true;
   1580             }
   1581 
   1582         }
   1583 
   1584         return false;
   1585     }
   1586 
   1587     private KeyguardManager getKeyguardManager() {
   1588         if (mKeyguardManager == null) {
   1589             mKeyguardManager = (KeyguardManager) getContext().getSystemService(
   1590                     Context.KEYGUARD_SERVICE);
   1591         }
   1592         return mKeyguardManager;
   1593     }
   1594 
   1595     AudioManager getAudioManager() {
   1596         if (mAudioManager == null) {
   1597             mAudioManager = (AudioManager)getContext().getSystemService(Context.AUDIO_SERVICE);
   1598         }
   1599         return mAudioManager;
   1600     }
   1601 
   1602     /**
   1603      * A key was released and not handled by anything else in the window.
   1604      *
   1605      * @see #onKeyDown
   1606      * @see android.view.KeyEvent
   1607      */
   1608     protected boolean onKeyUp(int featureId, int keyCode, KeyEvent event) {
   1609         final KeyEvent.DispatcherState dispatcher =
   1610                 mDecor != null ? mDecor.getKeyDispatcherState() : null;
   1611         if (dispatcher != null) {
   1612             dispatcher.handleUpEvent(event);
   1613         }
   1614         //Log.i(TAG, "Key up: repeat=" + event.getRepeatCount()
   1615         //        + " flags=0x" + Integer.toHexString(event.getFlags()));
   1616 
   1617         switch (keyCode) {
   1618             case KeyEvent.KEYCODE_VOLUME_UP:
   1619             case KeyEvent.KEYCODE_VOLUME_DOWN:
   1620             case KeyEvent.KEYCODE_VOLUME_MUTE: {
   1621                 // Similar code is in PhoneFallbackEventHandler in case the window
   1622                 // doesn't have one of these.  In this case, we execute it here and
   1623                 // eat the event instead, because we have mVolumeControlStreamType
   1624                 // and they don't.
   1625                 getAudioManager().handleKeyUp(event, mVolumeControlStreamType);
   1626                 return true;
   1627             }
   1628 
   1629             case KeyEvent.KEYCODE_MENU: {
   1630                 onKeyUpPanel(featureId < 0 ? FEATURE_OPTIONS_PANEL : featureId,
   1631                         event);
   1632                 return true;
   1633             }
   1634 
   1635             case KeyEvent.KEYCODE_BACK: {
   1636                 if (featureId < 0) break;
   1637                 if (event.isTracking() && !event.isCanceled()) {
   1638                     if (featureId == FEATURE_OPTIONS_PANEL) {
   1639                         PanelFeatureState st = getPanelState(featureId, false);
   1640                         if (st != null && st.isInExpandedMode) {
   1641                             // If the user is in an expanded menu and hits back, it
   1642                             // should go back to the icon menu
   1643                             reopenMenu(true);
   1644                             return true;
   1645                         }
   1646                     }
   1647                     closePanel(featureId);
   1648                     return true;
   1649                 }
   1650                 break;
   1651             }
   1652 
   1653             case KeyEvent.KEYCODE_SEARCH: {
   1654                 /*
   1655                  * Do this in onKeyUp since the Search key is also used for
   1656                  * chording quick launch shortcuts.
   1657                  */
   1658                 if (getKeyguardManager().inKeyguardRestrictedInputMode()) {
   1659                     break;
   1660                 }
   1661                 if (event.isTracking() && !event.isCanceled()) {
   1662                     launchDefaultSearch();
   1663                 }
   1664                 return true;
   1665             }
   1666         }
   1667 
   1668         return false;
   1669     }
   1670 
   1671     @Override
   1672     protected void onActive() {
   1673     }
   1674 
   1675     @Override
   1676     public final View getDecorView() {
   1677         if (mDecor == null) {
   1678             installDecor();
   1679         }
   1680         return mDecor;
   1681     }
   1682 
   1683     @Override
   1684     public final View peekDecorView() {
   1685         return mDecor;
   1686     }
   1687 
   1688     static private final String FOCUSED_ID_TAG = "android:focusedViewId";
   1689     static private final String VIEWS_TAG = "android:views";
   1690     static private final String PANELS_TAG = "android:Panels";
   1691     static private final String ACTION_BAR_TAG = "android:ActionBar";
   1692 
   1693     /** {@inheritDoc} */
   1694     @Override
   1695     public Bundle saveHierarchyState() {
   1696         Bundle outState = new Bundle();
   1697         if (mContentParent == null) {
   1698             return outState;
   1699         }
   1700 
   1701         SparseArray<Parcelable> states = new SparseArray<Parcelable>();
   1702         mContentParent.saveHierarchyState(states);
   1703         outState.putSparseParcelableArray(VIEWS_TAG, states);
   1704 
   1705         // save the focused view id
   1706         View focusedView = mContentParent.findFocus();
   1707         if (focusedView != null) {
   1708             if (focusedView.getId() != View.NO_ID) {
   1709                 outState.putInt(FOCUSED_ID_TAG, focusedView.getId());
   1710             } else {
   1711                 if (false) {
   1712                     Log.d(TAG, "couldn't save which view has focus because the focused view "
   1713                             + focusedView + " has no id.");
   1714                 }
   1715             }
   1716         }
   1717 
   1718         // save the panels
   1719         SparseArray<Parcelable> panelStates = new SparseArray<Parcelable>();
   1720         savePanelState(panelStates);
   1721         if (panelStates.size() > 0) {
   1722             outState.putSparseParcelableArray(PANELS_TAG, panelStates);
   1723         }
   1724 
   1725         if (mActionBar != null) {
   1726             SparseArray<Parcelable> actionBarStates = new SparseArray<Parcelable>();
   1727             mActionBar.saveHierarchyState(actionBarStates);
   1728             outState.putSparseParcelableArray(ACTION_BAR_TAG, actionBarStates);
   1729         }
   1730 
   1731         return outState;
   1732     }
   1733 
   1734     /** {@inheritDoc} */
   1735     @Override
   1736     public void restoreHierarchyState(Bundle savedInstanceState) {
   1737         if (mContentParent == null) {
   1738             return;
   1739         }
   1740 
   1741         SparseArray<Parcelable> savedStates
   1742                 = savedInstanceState.getSparseParcelableArray(VIEWS_TAG);
   1743         if (savedStates != null) {
   1744             mContentParent.restoreHierarchyState(savedStates);
   1745         }
   1746 
   1747         // restore the focused view
   1748         int focusedViewId = savedInstanceState.getInt(FOCUSED_ID_TAG, View.NO_ID);
   1749         if (focusedViewId != View.NO_ID) {
   1750             View needsFocus = mContentParent.findViewById(focusedViewId);
   1751             if (needsFocus != null) {
   1752                 needsFocus.requestFocus();
   1753             } else {
   1754                 Log.w(TAG,
   1755                         "Previously focused view reported id " + focusedViewId
   1756                                 + " during save, but can't be found during restore.");
   1757             }
   1758         }
   1759 
   1760         // restore the panels
   1761         SparseArray<Parcelable> panelStates = savedInstanceState.getSparseParcelableArray(PANELS_TAG);
   1762         if (panelStates != null) {
   1763             restorePanelState(panelStates);
   1764         }
   1765 
   1766         if (mActionBar != null) {
   1767             SparseArray<Parcelable> actionBarStates =
   1768                     savedInstanceState.getSparseParcelableArray(ACTION_BAR_TAG);
   1769             if (actionBarStates != null) {
   1770                 mActionBar.restoreHierarchyState(actionBarStates);
   1771             } else {
   1772                 Log.w(TAG, "Missing saved instance states for action bar views! " +
   1773                         "State will not be restored.");
   1774             }
   1775         }
   1776     }
   1777 
   1778     /**
   1779      * Invoked when the panels should freeze their state.
   1780      *
   1781      * @param icicles Save state into this. This is usually indexed by the
   1782      *            featureId. This will be given to {@link #restorePanelState} in the
   1783      *            future.
   1784      */
   1785     private void savePanelState(SparseArray<Parcelable> icicles) {
   1786         PanelFeatureState[] panels = mPanels;
   1787         if (panels == null) {
   1788             return;
   1789         }
   1790 
   1791         for (int curFeatureId = panels.length - 1; curFeatureId >= 0; curFeatureId--) {
   1792             if (panels[curFeatureId] != null) {
   1793                 icicles.put(curFeatureId, panels[curFeatureId].onSaveInstanceState());
   1794             }
   1795         }
   1796     }
   1797 
   1798     /**
   1799      * Invoked when the panels should thaw their state from a previously frozen state.
   1800      *
   1801      * @param icicles The state saved by {@link #savePanelState} that needs to be thawed.
   1802      */
   1803     private void restorePanelState(SparseArray<Parcelable> icicles) {
   1804         PanelFeatureState st;
   1805         int curFeatureId;
   1806         for (int i = icicles.size() - 1; i >= 0; i--) {
   1807             curFeatureId = icicles.keyAt(i);
   1808             st = getPanelState(curFeatureId, false /* required */);
   1809             if (st == null) {
   1810                 // The panel must not have been required, and is currently not around, skip it
   1811                 continue;
   1812             }
   1813 
   1814             st.onRestoreInstanceState(icicles.get(curFeatureId));
   1815             invalidatePanelMenu(curFeatureId);
   1816         }
   1817 
   1818         /*
   1819          * Implementation note: call openPanelsAfterRestore later to actually open the
   1820          * restored panels.
   1821          */
   1822     }
   1823 
   1824     /**
   1825      * Opens the panels that have had their state restored. This should be
   1826      * called sometime after {@link #restorePanelState} when it is safe to add
   1827      * to the window manager.
   1828      */
   1829     private void openPanelsAfterRestore() {
   1830         PanelFeatureState[] panels = mPanels;
   1831 
   1832         if (panels == null) {
   1833             return;
   1834         }
   1835 
   1836         PanelFeatureState st;
   1837         for (int i = panels.length - 1; i >= 0; i--) {
   1838             st = panels[i];
   1839             // We restore the panel if it was last open; we skip it if it
   1840             // now is open, to avoid a race condition if the user immediately
   1841             // opens it when we are resuming.
   1842             if (st != null) {
   1843                 st.applyFrozenState();
   1844                 if (!st.isOpen && st.wasLastOpen) {
   1845                     st.isInExpandedMode = st.wasLastExpanded;
   1846                     openPanel(st, null);
   1847                 }
   1848             }
   1849         }
   1850     }
   1851 
   1852     private class PanelMenuPresenterCallback implements MenuPresenter.Callback {
   1853         @Override
   1854         public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
   1855             final Menu parentMenu = menu.getRootMenu();
   1856             final boolean isSubMenu = parentMenu != menu;
   1857             final PanelFeatureState panel = findMenuPanel(isSubMenu ? parentMenu : menu);
   1858             if (panel != null) {
   1859                 if (isSubMenu) {
   1860                     callOnPanelClosed(panel.featureId, panel, parentMenu);
   1861                     closePanel(panel, true);
   1862                 } else {
   1863                     // Close the panel and only do the callback if the menu is being
   1864                     // closed completely, not if opening a sub menu
   1865                     closePanel(panel, allMenusAreClosing);
   1866                 }
   1867             }
   1868         }
   1869 
   1870         @Override
   1871         public boolean onOpenSubMenu(MenuBuilder subMenu) {
   1872             if (subMenu == null && hasFeature(FEATURE_ACTION_BAR)) {
   1873                 Callback cb = getCallback();
   1874                 if (cb != null && !isDestroyed()) {
   1875                     cb.onMenuOpened(FEATURE_ACTION_BAR, subMenu);
   1876                 }
   1877             }
   1878 
   1879             return true;
   1880         }
   1881     }
   1882 
   1883     private final class ActionMenuPresenterCallback implements MenuPresenter.Callback {
   1884         @Override
   1885         public boolean onOpenSubMenu(MenuBuilder subMenu) {
   1886             Callback cb = getCallback();
   1887             if (cb != null) {
   1888                 cb.onMenuOpened(FEATURE_ACTION_BAR, subMenu);
   1889                 return true;
   1890             }
   1891             return false;
   1892         }
   1893 
   1894         @Override
   1895         public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
   1896             checkCloseActionMenu(menu);
   1897         }
   1898     }
   1899 
   1900     private final class DecorView extends FrameLayout implements RootViewSurfaceTaker {
   1901         /* package */int mDefaultOpacity = PixelFormat.OPAQUE;
   1902 
   1903         /** The feature ID of the panel, or -1 if this is the application's DecorView */
   1904         private final int mFeatureId;
   1905 
   1906         private final Rect mDrawingBounds = new Rect();
   1907 
   1908         private final Rect mBackgroundPadding = new Rect();
   1909 
   1910         private final Rect mFramePadding = new Rect();
   1911 
   1912         private final Rect mFrameOffsets = new Rect();
   1913 
   1914         private boolean mChanging;
   1915 
   1916         private Drawable mMenuBackground;
   1917         private boolean mWatchingForMenu;
   1918         private int mDownY;
   1919 
   1920         private ActionMode mActionMode;
   1921         private ActionBarContextView mActionModeView;
   1922         private PopupWindow mActionModePopup;
   1923         private Runnable mShowActionModePopup;
   1924 
   1925         // View added at runtime to draw under the status bar area
   1926         private View mStatusGuard;
   1927         // View added at runtime to draw under the navigation bar area
   1928         private View mNavigationGuard;
   1929 
   1930         public DecorView(Context context, int featureId) {
   1931             super(context);
   1932             mFeatureId = featureId;
   1933         }
   1934 
   1935         @Override
   1936         public boolean dispatchKeyEvent(KeyEvent event) {
   1937             final int keyCode = event.getKeyCode();
   1938             final int action = event.getAction();
   1939             final boolean isDown = action == KeyEvent.ACTION_DOWN;
   1940 
   1941             if (isDown && (event.getRepeatCount() == 0)) {
   1942                 // First handle chording of panel key: if a panel key is held
   1943                 // but not released, try to execute a shortcut in it.
   1944                 if ((mPanelChordingKey > 0) && (mPanelChordingKey != keyCode)) {
   1945                     boolean handled = dispatchKeyShortcutEvent(event);
   1946                     if (handled) {
   1947                         return true;
   1948                     }
   1949                 }
   1950 
   1951                 // If a panel is open, perform a shortcut on it without the
   1952                 // chorded panel key
   1953                 if ((mPreparedPanel != null) && mPreparedPanel.isOpen) {
   1954                     if (performPanelShortcut(mPreparedPanel, keyCode, event, 0)) {
   1955                         return true;
   1956                     }
   1957                 }
   1958             }
   1959 
   1960             if (!isDestroyed()) {
   1961                 final Callback cb = getCallback();
   1962                 final boolean handled = cb != null && mFeatureId < 0 ? cb.dispatchKeyEvent(event)
   1963                         : super.dispatchKeyEvent(event);
   1964                 if (handled) {
   1965                     return true;
   1966                 }
   1967             }
   1968 
   1969             return isDown ? PhoneWindow.this.onKeyDown(mFeatureId, event.getKeyCode(), event)
   1970                     : PhoneWindow.this.onKeyUp(mFeatureId, event.getKeyCode(), event);
   1971         }
   1972 
   1973         @Override
   1974         public boolean dispatchKeyShortcutEvent(KeyEvent ev) {
   1975             // If the panel is already prepared, then perform the shortcut using it.
   1976             boolean handled;
   1977             if (mPreparedPanel != null) {
   1978                 handled = performPanelShortcut(mPreparedPanel, ev.getKeyCode(), ev,
   1979                         Menu.FLAG_PERFORM_NO_CLOSE);
   1980                 if (handled) {
   1981                     if (mPreparedPanel != null) {
   1982                         mPreparedPanel.isHandled = true;
   1983                     }
   1984                     return true;
   1985                 }
   1986             }
   1987 
   1988             // Shortcut not handled by the panel.  Dispatch to the view hierarchy.
   1989             final Callback cb = getCallback();
   1990             handled = cb != null && !isDestroyed() && mFeatureId < 0
   1991                     ? cb.dispatchKeyShortcutEvent(ev) : super.dispatchKeyShortcutEvent(ev);
   1992             if (handled) {
   1993                 return true;
   1994             }
   1995 
   1996             // If the panel is not prepared, then we may be trying to handle a shortcut key
   1997             // combination such as Control+C.  Temporarily prepare the panel then mark it
   1998             // unprepared again when finished to ensure that the panel will again be prepared
   1999             // the next time it is shown for real.
   2000             if (mPreparedPanel == null) {
   2001                 PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
   2002                 preparePanel(st, ev);
   2003                 handled = performPanelShortcut(st, ev.getKeyCode(), ev,
   2004                         Menu.FLAG_PERFORM_NO_CLOSE);
   2005                 st.isPrepared = false;
   2006                 if (handled) {
   2007                     return true;
   2008                 }
   2009             }
   2010             return false;
   2011         }
   2012 
   2013         @Override
   2014         public boolean dispatchTouchEvent(MotionEvent ev) {
   2015             final Callback cb = getCallback();
   2016             return cb != null && !isDestroyed() && mFeatureId < 0 ? cb.dispatchTouchEvent(ev)
   2017                     : super.dispatchTouchEvent(ev);
   2018         }
   2019 
   2020         @Override
   2021         public boolean dispatchTrackballEvent(MotionEvent ev) {
   2022             final Callback cb = getCallback();
   2023             return cb != null && !isDestroyed() && mFeatureId < 0 ? cb.dispatchTrackballEvent(ev)
   2024                     : super.dispatchTrackballEvent(ev);
   2025         }
   2026 
   2027         @Override
   2028         public boolean dispatchGenericMotionEvent(MotionEvent ev) {
   2029             final Callback cb = getCallback();
   2030             return cb != null && !isDestroyed() && mFeatureId < 0 ? cb.dispatchGenericMotionEvent(ev)
   2031                     : super.dispatchGenericMotionEvent(ev);
   2032         }
   2033 
   2034         public boolean superDispatchKeyEvent(KeyEvent event) {
   2035             if (super.dispatchKeyEvent(event)) {
   2036                 return true;
   2037             }
   2038 
   2039             // Not handled by the view hierarchy, does the action bar want it
   2040             // to cancel out of something special?
   2041             if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
   2042                 final int action = event.getAction();
   2043                 // Back cancels action modes first.
   2044                 if (mActionMode != null) {
   2045                     if (action == KeyEvent.ACTION_UP) {
   2046                         mActionMode.finish();
   2047                     }
   2048                     return true;
   2049                 }
   2050 
   2051                 // Next collapse any expanded action views.
   2052                 if (mActionBar != null && mActionBar.hasExpandedActionView()) {
   2053                     if (action == KeyEvent.ACTION_UP) {
   2054                         mActionBar.collapseActionView();
   2055                     }
   2056                     return true;
   2057                 }
   2058             }
   2059 
   2060             return false;
   2061         }
   2062 
   2063         public boolean superDispatchKeyShortcutEvent(KeyEvent event) {
   2064             return super.dispatchKeyShortcutEvent(event);
   2065         }
   2066 
   2067         public boolean superDispatchTouchEvent(MotionEvent event) {
   2068             return super.dispatchTouchEvent(event);
   2069         }
   2070 
   2071         public boolean superDispatchTrackballEvent(MotionEvent event) {
   2072             return super.dispatchTrackballEvent(event);
   2073         }
   2074 
   2075         public boolean superDispatchGenericMotionEvent(MotionEvent event) {
   2076             return super.dispatchGenericMotionEvent(event);
   2077         }
   2078 
   2079         @Override
   2080         public boolean onTouchEvent(MotionEvent event) {
   2081             return onInterceptTouchEvent(event);
   2082         }
   2083 
   2084         private boolean isOutOfBounds(int x, int y) {
   2085             return x < -5 || y < -5 || x > (getWidth() + 5)
   2086                     || y > (getHeight() + 5);
   2087         }
   2088 
   2089         @Override
   2090         public boolean onInterceptTouchEvent(MotionEvent event) {
   2091             int action = event.getAction();
   2092             if (mFeatureId >= 0) {
   2093                 if (action == MotionEvent.ACTION_DOWN) {
   2094                     int x = (int)event.getX();
   2095                     int y = (int)event.getY();
   2096                     if (isOutOfBounds(x, y)) {
   2097                         closePanel(mFeatureId);
   2098                         return true;
   2099                     }
   2100                 }
   2101             }
   2102 
   2103             if (!SWEEP_OPEN_MENU) {
   2104                 return false;
   2105             }
   2106 
   2107             if (mFeatureId >= 0) {
   2108                 if (action == MotionEvent.ACTION_DOWN) {
   2109                     Log.i(TAG, "Watchiing!");
   2110                     mWatchingForMenu = true;
   2111                     mDownY = (int) event.getY();
   2112                     return false;
   2113                 }
   2114 
   2115                 if (!mWatchingForMenu) {
   2116                     return false;
   2117                 }
   2118 
   2119                 int y = (int)event.getY();
   2120                 if (action == MotionEvent.ACTION_MOVE) {
   2121                     if (y > (mDownY+30)) {
   2122                         Log.i(TAG, "Closing!");
   2123                         closePanel(mFeatureId);
   2124                         mWatchingForMenu = false;
   2125                         return true;
   2126                     }
   2127                 } else if (action == MotionEvent.ACTION_UP) {
   2128                     mWatchingForMenu = false;
   2129                 }
   2130 
   2131                 return false;
   2132             }
   2133 
   2134             //Log.i(TAG, "Intercept: action=" + action + " y=" + event.getY()
   2135             //        + " (in " + getHeight() + ")");
   2136 
   2137             if (action == MotionEvent.ACTION_DOWN) {
   2138                 int y = (int)event.getY();
   2139                 if (y >= (getHeight()-5) && !hasChildren()) {
   2140                     Log.i(TAG, "Watchiing!");
   2141                     mWatchingForMenu = true;
   2142                 }
   2143                 return false;
   2144             }
   2145 
   2146             if (!mWatchingForMenu) {
   2147                 return false;
   2148             }
   2149 
   2150             int y = (int)event.getY();
   2151             if (action == MotionEvent.ACTION_MOVE) {
   2152                 if (y < (getHeight()-30)) {
   2153                     Log.i(TAG, "Opening!");
   2154                     openPanel(FEATURE_OPTIONS_PANEL, new KeyEvent(
   2155                             KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MENU));
   2156                     mWatchingForMenu = false;
   2157                     return true;
   2158                 }
   2159             } else if (action == MotionEvent.ACTION_UP) {
   2160                 mWatchingForMenu = false;
   2161             }
   2162 
   2163             return false;
   2164         }
   2165 
   2166         @Override
   2167         public void sendAccessibilityEvent(int eventType) {
   2168             if (!AccessibilityManager.getInstance(mContext).isEnabled()) {
   2169                 return;
   2170             }
   2171 
   2172             // if we are showing a feature that should be announced and one child
   2173             // make this child the event source since this is the feature itself
   2174             // otherwise the callback will take over and announce its client
   2175             if ((mFeatureId == FEATURE_OPTIONS_PANEL ||
   2176                     mFeatureId == FEATURE_CONTEXT_MENU ||
   2177                     mFeatureId == FEATURE_PROGRESS ||
   2178                     mFeatureId == FEATURE_INDETERMINATE_PROGRESS)
   2179                     && getChildCount() == 1) {
   2180                 getChildAt(0).sendAccessibilityEvent(eventType);
   2181             } else {
   2182                 super.sendAccessibilityEvent(eventType);
   2183             }
   2184         }
   2185 
   2186         @Override
   2187         public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
   2188             final Callback cb = getCallback();
   2189             if (cb != null && !isDestroyed()) {
   2190                 if (cb.dispatchPopulateAccessibilityEvent(event)) {
   2191                     return true;
   2192                 }
   2193             }
   2194             return super.dispatchPopulateAccessibilityEvent(event);
   2195         }
   2196 
   2197         @Override
   2198         protected boolean setFrame(int l, int t, int r, int b) {
   2199             boolean changed = super.setFrame(l, t, r, b);
   2200             if (changed) {
   2201                 final Rect drawingBounds = mDrawingBounds;
   2202                 getDrawingRect(drawingBounds);
   2203 
   2204                 Drawable fg = getForeground();
   2205                 if (fg != null) {
   2206                     final Rect frameOffsets = mFrameOffsets;
   2207                     drawingBounds.left += frameOffsets.left;
   2208                     drawingBounds.top += frameOffsets.top;
   2209                     drawingBounds.right -= frameOffsets.right;
   2210                     drawingBounds.bottom -= frameOffsets.bottom;
   2211                     fg.setBounds(drawingBounds);
   2212                     final Rect framePadding = mFramePadding;
   2213                     drawingBounds.left += framePadding.left - frameOffsets.left;
   2214                     drawingBounds.top += framePadding.top - frameOffsets.top;
   2215                     drawingBounds.right -= framePadding.right - frameOffsets.right;
   2216                     drawingBounds.bottom -= framePadding.bottom - frameOffsets.bottom;
   2217                 }
   2218 
   2219                 Drawable bg = getBackground();
   2220                 if (bg != null) {
   2221                     bg.setBounds(drawingBounds);
   2222                 }
   2223 
   2224                 if (SWEEP_OPEN_MENU) {
   2225                     if (mMenuBackground == null && mFeatureId < 0
   2226                             && getAttributes().height
   2227                             == WindowManager.LayoutParams.MATCH_PARENT) {
   2228                         mMenuBackground = getContext().getResources().getDrawable(
   2229                                 com.android.internal.R.drawable.menu_background);
   2230                     }
   2231                     if (mMenuBackground != null) {
   2232                         mMenuBackground.setBounds(drawingBounds.left,
   2233                                 drawingBounds.bottom-6, drawingBounds.right,
   2234                                 drawingBounds.bottom+20);
   2235                     }
   2236                 }
   2237             }
   2238             return changed;
   2239         }
   2240 
   2241         @Override
   2242         protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
   2243             final DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
   2244             final boolean isPortrait = metrics.widthPixels < metrics.heightPixels;
   2245 
   2246             final int widthMode = getMode(widthMeasureSpec);
   2247             final int heightMode = getMode(heightMeasureSpec);
   2248 
   2249             boolean fixedWidth = false;
   2250             if (widthMode == AT_MOST) {
   2251                 final TypedValue tvw = isPortrait ? mFixedWidthMinor : mFixedWidthMajor;
   2252                 if (tvw != null && tvw.type != TypedValue.TYPE_NULL) {
   2253                     final int w;
   2254                     if (tvw.type == TypedValue.TYPE_DIMENSION) {
   2255                         w = (int) tvw.getDimension(metrics);
   2256                     } else if (tvw.type == TypedValue.TYPE_FRACTION) {
   2257                         w = (int) tvw.getFraction(metrics.widthPixels, metrics.widthPixels);
   2258                     } else {
   2259                         w = 0;
   2260                     }
   2261 
   2262                     if (w > 0) {
   2263                         final int widthSize = MeasureSpec.getSize(widthMeasureSpec);
   2264                         widthMeasureSpec = MeasureSpec.makeMeasureSpec(
   2265                                 Math.min(w, widthSize), EXACTLY);
   2266                         fixedWidth = true;
   2267                     }
   2268                 }
   2269             }
   2270 
   2271             if (heightMode == AT_MOST) {
   2272                 final TypedValue tvh = isPortrait ? mFixedHeightMajor : mFixedHeightMinor;
   2273                 if (tvh != null && tvh.type != TypedValue.TYPE_NULL) {
   2274                     final int h;
   2275                     if (tvh.type == TypedValue.TYPE_DIMENSION) {
   2276                         h = (int) tvh.getDimension(metrics);
   2277                     } else if (tvh.type == TypedValue.TYPE_FRACTION) {
   2278                         h = (int) tvh.getFraction(metrics.heightPixels, metrics.heightPixels);
   2279                     } else {
   2280                         h = 0;
   2281                     }
   2282 
   2283                     if (h > 0) {
   2284                         final int heightSize = MeasureSpec.getSize(heightMeasureSpec);
   2285                         heightMeasureSpec = MeasureSpec.makeMeasureSpec(
   2286                                 Math.min(h, heightSize), EXACTLY);
   2287                     }
   2288                 }
   2289             }
   2290 
   2291             super.onMeasure(widthMeasureSpec, heightMeasureSpec);
   2292 
   2293             int width = getMeasuredWidth();
   2294             boolean measure = false;
   2295 
   2296             widthMeasureSpec = MeasureSpec.makeMeasureSpec(width, EXACTLY);
   2297 
   2298             if (!fixedWidth && widthMode == AT_MOST) {
   2299                 final TypedValue tv = isPortrait ? mMinWidthMinor : mMinWidthMajor;
   2300                 if (tv.type != TypedValue.TYPE_NULL) {
   2301                     final int min;
   2302                     if (tv.type == TypedValue.TYPE_DIMENSION) {
   2303                         min = (int)tv.getDimension(metrics);
   2304                     } else if (tv.type == TypedValue.TYPE_FRACTION) {
   2305                         min = (int)tv.getFraction(metrics.widthPixels, metrics.widthPixels);
   2306                     } else {
   2307                         min = 0;
   2308                     }
   2309 
   2310                     if (width < min) {
   2311                         widthMeasureSpec = MeasureSpec.makeMeasureSpec(min, EXACTLY);
   2312                         measure = true;
   2313                     }
   2314                 }
   2315             }
   2316 
   2317             // TODO: Support height?
   2318 
   2319             if (measure) {
   2320                 super.onMeasure(widthMeasureSpec, heightMeasureSpec);
   2321             }
   2322         }
   2323 
   2324         @Override
   2325         public void draw(Canvas canvas) {
   2326             super.draw(canvas);
   2327 
   2328             if (mMenuBackground != null) {
   2329                 mMenuBackground.draw(canvas);
   2330             }
   2331         }
   2332 
   2333 
   2334         @Override
   2335         public boolean showContextMenuForChild(View originalView) {
   2336             // Reuse the context menu builder
   2337             if (mContextMenu == null) {
   2338                 mContextMenu = new ContextMenuBuilder(getContext());
   2339                 mContextMenu.setCallback(mContextMenuCallback);
   2340             } else {
   2341                 mContextMenu.clearAll();
   2342             }
   2343 
   2344             final MenuDialogHelper helper = mContextMenu.show(originalView,
   2345                     originalView.getWindowToken());
   2346             if (helper != null) {
   2347                 helper.setPresenterCallback(mContextMenuCallback);
   2348             } else if (mContextMenuHelper != null) {
   2349                 // No menu to show, but if we have a menu currently showing it just became blank.
   2350                 // Close it.
   2351                 mContextMenuHelper.dismiss();
   2352             }
   2353             mContextMenuHelper = helper;
   2354             return helper != null;
   2355         }
   2356 
   2357         @Override
   2358         public ActionMode startActionModeForChild(View originalView,
   2359                 ActionMode.Callback callback) {
   2360             // originalView can be used here to be sure that we don't obscure
   2361             // relevant content with the context mode UI.
   2362             return startActionMode(callback);
   2363         }
   2364 
   2365         @Override
   2366         public ActionMode startActionMode(ActionMode.Callback callback) {
   2367             if (mActionMode != null) {
   2368                 mActionMode.finish();
   2369             }
   2370 
   2371             final ActionMode.Callback wrappedCallback = new ActionModeCallbackWrapper(callback);
   2372             ActionMode mode = null;
   2373             if (getCallback() != null && !isDestroyed()) {
   2374                 try {
   2375                     mode = getCallback().onWindowStartingActionMode(wrappedCallback);
   2376                 } catch (AbstractMethodError ame) {
   2377                     // Older apps might not implement this callback method.
   2378                 }
   2379             }
   2380             if (mode != null) {
   2381                 mActionMode = mode;
   2382             } else {
   2383                 if (mActionModeView == null) {
   2384                     if (isFloating()) {
   2385                         mActionModeView = new ActionBarContextView(mContext);
   2386                         mActionModePopup = new PopupWindow(mContext, null,
   2387                                 com.android.internal.R.attr.actionModePopupWindowStyle);
   2388                         mActionModePopup.setWindowLayoutType(
   2389                                 WindowManager.LayoutParams.TYPE_APPLICATION);
   2390                         mActionModePopup.setContentView(mActionModeView);
   2391                         mActionModePopup.setWidth(MATCH_PARENT);
   2392 
   2393                         TypedValue heightValue = new TypedValue();
   2394                         mContext.getTheme().resolveAttribute(
   2395                                 com.android.internal.R.attr.actionBarSize, heightValue, true);
   2396                         final int height = TypedValue.complexToDimensionPixelSize(heightValue.data,
   2397                                 mContext.getResources().getDisplayMetrics());
   2398                         mActionModeView.setContentHeight(height);
   2399                         mActionModePopup.setHeight(WRAP_CONTENT);
   2400                         mShowActionModePopup = new Runnable() {
   2401                             public void run() {
   2402                                 mActionModePopup.showAtLocation(
   2403                                         mActionModeView.getApplicationWindowToken(),
   2404                                         Gravity.TOP | Gravity.FILL_HORIZONTAL, 0, 0);
   2405                             }
   2406                         };
   2407                     } else {
   2408                         ViewStub stub = (ViewStub) findViewById(
   2409                                 com.android.internal.R.id.action_mode_bar_stub);
   2410                         if (stub != null) {
   2411                             mActionModeView = (ActionBarContextView) stub.inflate();
   2412                         }
   2413                     }
   2414                 }
   2415 
   2416                 if (mActionModeView != null) {
   2417                     mActionModeView.killMode();
   2418                     mode = new StandaloneActionMode(getContext(), mActionModeView, wrappedCallback,
   2419                             mActionModePopup == null);
   2420                     if (callback.onCreateActionMode(mode, mode.getMenu())) {
   2421                         mode.invalidate();
   2422                         mActionModeView.initForMode(mode);
   2423                         mActionModeView.setVisibility(View.VISIBLE);
   2424                         mActionMode = mode;
   2425                         if (mActionModePopup != null) {
   2426                             post(mShowActionModePopup);
   2427                         }
   2428                         mActionModeView.sendAccessibilityEvent(
   2429                                 AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
   2430                     } else {
   2431                         mActionMode = null;
   2432                     }
   2433                 }
   2434             }
   2435             if (mActionMode != null && getCallback() != null && !isDestroyed()) {
   2436                 try {
   2437                     getCallback().onActionModeStarted(mActionMode);
   2438                 } catch (AbstractMethodError ame) {
   2439                     // Older apps might not implement this callback method.
   2440                 }
   2441             }
   2442             return mActionMode;
   2443         }
   2444 
   2445         public void startChanging() {
   2446             mChanging = true;
   2447         }
   2448 
   2449         public void finishChanging() {
   2450             mChanging = false;
   2451             drawableChanged();
   2452         }
   2453 
   2454         public void setWindowBackground(Drawable drawable) {
   2455             if (getBackground() != drawable) {
   2456                 setBackgroundDrawable(drawable);
   2457                 if (drawable != null) {
   2458                     drawable.getPadding(mBackgroundPadding);
   2459                 } else {
   2460                     mBackgroundPadding.setEmpty();
   2461                 }
   2462                 drawableChanged();
   2463             }
   2464         }
   2465 
   2466         @Override
   2467         public void setBackgroundDrawable(Drawable d) {
   2468             super.setBackgroundDrawable(d);
   2469             if (getWindowToken() != null) {
   2470                 updateWindowResizeState();
   2471             }
   2472         }
   2473 
   2474         public void setWindowFrame(Drawable drawable) {
   2475             if (getForeground() != drawable) {
   2476                 setForeground(drawable);
   2477                 if (drawable != null) {
   2478                     drawable.getPadding(mFramePadding);
   2479                 } else {
   2480                     mFramePadding.setEmpty();
   2481                 }
   2482                 drawableChanged();
   2483             }
   2484         }
   2485 
   2486         @Override
   2487         protected boolean fitSystemWindows(Rect insets) {
   2488             mFrameOffsets.set(insets);
   2489             updateStatusGuard(insets);
   2490             updateNavigationGuard(insets);
   2491             if (getForeground() != null) {
   2492                 drawableChanged();
   2493             }
   2494             return super.fitSystemWindows(insets);
   2495         }
   2496 
   2497         private void updateStatusGuard(Rect insets) {
   2498             boolean showStatusGuard = false;
   2499             // Show the status guard when the non-overlay contextual action bar is showing
   2500             if (mActionModeView != null) {
   2501                 if (mActionModeView.getLayoutParams() instanceof MarginLayoutParams) {
   2502                     MarginLayoutParams mlp = (MarginLayoutParams) mActionModeView.getLayoutParams();
   2503                     boolean mlpChanged = false;
   2504                     final boolean nonOverlayShown =
   2505                             (getLocalFeatures() & (1 << FEATURE_ACTION_MODE_OVERLAY)) == 0
   2506                             && mActionModeView.isShown();
   2507                     if (nonOverlayShown) {
   2508                         // set top margin to top insets, show status guard
   2509                         if (mlp.topMargin != insets.top) {
   2510                             mlpChanged = true;
   2511                             mlp.topMargin = insets.top;
   2512                             if (mStatusGuard == null) {
   2513                                 mStatusGuard = new View(mContext);
   2514                                 mStatusGuard.setBackgroundColor(mContext.getResources()
   2515                                         .getColor(R.color.input_method_navigation_guard));
   2516                                 addView(mStatusGuard, new LayoutParams(
   2517                                         LayoutParams.MATCH_PARENT, mlp.topMargin,
   2518                                         Gravity.START | Gravity.TOP));
   2519                             } else {
   2520                                 LayoutParams lp = (LayoutParams) mStatusGuard.getLayoutParams();
   2521                                 if (lp.height != mlp.topMargin) {
   2522                                     lp.height = mlp.topMargin;
   2523                                     mStatusGuard.setLayoutParams(lp);
   2524                                 }
   2525                             }
   2526                         }
   2527                         insets.top = 0;  // consume top insets
   2528                         showStatusGuard = true;
   2529                     } else {
   2530                         // reset top margin
   2531                         if (mlp.topMargin != 0) {
   2532                             mlpChanged = true;
   2533                             mlp.topMargin = 0;
   2534                         }
   2535                     }
   2536                     if (mlpChanged) {
   2537                         mActionModeView.setLayoutParams(mlp);
   2538                     }
   2539                 }
   2540             }
   2541             if (mStatusGuard != null) {
   2542                 mStatusGuard.setVisibility(showStatusGuard ? View.VISIBLE : View.GONE);
   2543             }
   2544         }
   2545 
   2546         private void updateNavigationGuard(Rect insets) {
   2547             // IMEs lay out below the nav bar, but the content view must not (for back compat)
   2548             if (getAttributes().type == WindowManager.LayoutParams.TYPE_INPUT_METHOD) {
   2549                 // prevent the content view from including the nav bar height
   2550                 if (mContentParent != null) {
   2551                     if (mContentParent.getLayoutParams() instanceof MarginLayoutParams) {
   2552                         MarginLayoutParams mlp =
   2553                                 (MarginLayoutParams) mContentParent.getLayoutParams();
   2554                         mlp.bottomMargin = insets.bottom;
   2555                         mContentParent.setLayoutParams(mlp);
   2556                     }
   2557                 }
   2558                 // position the navigation guard view, creating it if necessary
   2559                 if (mNavigationGuard == null) {
   2560                     mNavigationGuard = new View(mContext);
   2561                     mNavigationGuard.setBackgroundColor(mContext.getResources()
   2562                             .getColor(R.color.input_method_navigation_guard));
   2563                     addView(mNavigationGuard, new LayoutParams(
   2564                             LayoutParams.MATCH_PARENT, insets.bottom,
   2565                             Gravity.START | Gravity.BOTTOM));
   2566                 } else {
   2567                     LayoutParams lp = (LayoutParams) mNavigationGuard.getLayoutParams();
   2568                     lp.height = insets.bottom;
   2569                     mNavigationGuard.setLayoutParams(lp);
   2570                 }
   2571             }
   2572         }
   2573 
   2574         private void drawableChanged() {
   2575             if (mChanging) {
   2576                 return;
   2577             }
   2578 
   2579             setPadding(mFramePadding.left + mBackgroundPadding.left, mFramePadding.top
   2580                     + mBackgroundPadding.top, mFramePadding.right + mBackgroundPadding.right,
   2581                     mFramePadding.bottom + mBackgroundPadding.bottom);
   2582             requestLayout();
   2583             invalidate();
   2584 
   2585             int opacity = PixelFormat.OPAQUE;
   2586 
   2587             // Note: if there is no background, we will assume opaque. The
   2588             // common case seems to be that an application sets there to be
   2589             // no background so it can draw everything itself. For that,
   2590             // we would like to assume OPAQUE and let the app force it to
   2591             // the slower TRANSLUCENT mode if that is really what it wants.
   2592             Drawable bg = getBackground();
   2593             Drawable fg = getForeground();
   2594             if (bg != null) {
   2595                 if (fg == null) {
   2596                     opacity = bg.getOpacity();
   2597                 } else if (mFramePadding.left <= 0 && mFramePadding.top <= 0
   2598                         && mFramePadding.right <= 0 && mFramePadding.bottom <= 0) {
   2599                     // If the frame padding is zero, then we can be opaque
   2600                     // if either the frame -or- the background is opaque.
   2601                     int fop = fg.getOpacity();
   2602                     int bop = bg.getOpacity();
   2603                     if (false)
   2604                         Log.v(TAG, "Background opacity: " + bop + ", Frame opacity: " + fop);
   2605                     if (fop == PixelFormat.OPAQUE || bop == PixelFormat.OPAQUE) {
   2606                         opacity = PixelFormat.OPAQUE;
   2607                     } else if (fop == PixelFormat.UNKNOWN) {
   2608                         opacity = bop;
   2609                     } else if (bop == PixelFormat.UNKNOWN) {
   2610                         opacity = fop;
   2611                     } else {
   2612                         opacity = Drawable.resolveOpacity(fop, bop);
   2613                     }
   2614                 } else {
   2615                     // For now we have to assume translucent if there is a
   2616                     // frame with padding... there is no way to tell if the
   2617                     // frame and background together will draw all pixels.
   2618                     if (false)
   2619                         Log.v(TAG, "Padding: " + mFramePadding);
   2620                     opacity = PixelFormat.TRANSLUCENT;
   2621                 }
   2622             }
   2623 
   2624             if (false)
   2625                 Log.v(TAG, "Background: " + bg + ", Frame: " + fg);
   2626             if (false)
   2627                 Log.v(TAG, "Selected default opacity: " + opacity);
   2628 
   2629             mDefaultOpacity = opacity;
   2630             if (mFeatureId < 0) {
   2631                 setDefaultWindowFormat(opacity);
   2632             }
   2633         }
   2634 
   2635         @Override
   2636         public void onWindowFocusChanged(boolean hasWindowFocus) {
   2637             super.onWindowFocusChanged(hasWindowFocus);
   2638 
   2639             // If the user is chording a menu shortcut, release the chord since
   2640             // this window lost focus
   2641             if (!hasWindowFocus && mPanelChordingKey != 0) {
   2642                 closePanel(FEATURE_OPTIONS_PANEL);
   2643             }
   2644 
   2645             final Callback cb = getCallback();
   2646             if (cb != null && !isDestroyed() && mFeatureId < 0) {
   2647                 cb.onWindowFocusChanged(hasWindowFocus);
   2648             }
   2649         }
   2650 
   2651         void updateWindowResizeState() {
   2652             Drawable bg = getBackground();
   2653             hackTurnOffWindowResizeAnim(bg == null || bg.getOpacity()
   2654                     != PixelFormat.OPAQUE);
   2655         }
   2656 
   2657         @Override
   2658         protected void onAttachedToWindow() {
   2659             super.onAttachedToWindow();
   2660 
   2661             updateWindowResizeState();
   2662 
   2663             final Callback cb = getCallback();
   2664             if (cb != null && !isDestroyed() && mFeatureId < 0) {
   2665                 cb.onAttachedToWindow();
   2666             }
   2667 
   2668             if (mFeatureId == -1) {
   2669                 /*
   2670                  * The main window has been attached, try to restore any panels
   2671                  * that may have been open before. This is called in cases where
   2672                  * an activity is being killed for configuration change and the
   2673                  * menu was open. When the activity is recreated, the menu
   2674                  * should be shown again.
   2675                  */
   2676                 openPanelsAfterRestore();
   2677             }
   2678         }
   2679 
   2680         @Override
   2681         protected void onDetachedFromWindow() {
   2682             super.onDetachedFromWindow();
   2683 
   2684             final Callback cb = getCallback();
   2685             if (cb != null && mFeatureId < 0) {
   2686                 cb.onDetachedFromWindow();
   2687             }
   2688 
   2689             if (mActionBar != null) {
   2690                 mActionBar.dismissPopupMenus();
   2691             }
   2692 
   2693             if (mActionModePopup != null) {
   2694                 removeCallbacks(mShowActionModePopup);
   2695                 if (mActionModePopup.isShowing()) {
   2696                     mActionModePopup.dismiss();
   2697                 }
   2698                 mActionModePopup = null;
   2699             }
   2700 
   2701             PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
   2702             if (st != null && st.menu != null && mFeatureId < 0) {
   2703                 st.menu.close();
   2704             }
   2705         }
   2706 
   2707         @Override
   2708         public void onCloseSystemDialogs(String reason) {
   2709             if (mFeatureId >= 0) {
   2710                 closeAllPanels();
   2711             }
   2712         }
   2713 
   2714         public android.view.SurfaceHolder.Callback2 willYouTakeTheSurface() {
   2715             return mFeatureId < 0 ? mTakeSurfaceCallback : null;
   2716         }
   2717 
   2718         public InputQueue.Callback willYouTakeTheInputQueue() {
   2719             return mFeatureId < 0 ? mTakeInputQueueCallback : null;
   2720         }
   2721 
   2722         public void setSurfaceType(int type) {
   2723             PhoneWindow.this.setType(type);
   2724         }
   2725 
   2726         public void setSurfaceFormat(int format) {
   2727             PhoneWindow.this.setFormat(format);
   2728         }
   2729 
   2730         public void setSurfaceKeepScreenOn(boolean keepOn) {
   2731             if (keepOn) PhoneWindow.this.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
   2732             else PhoneWindow.this.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
   2733         }
   2734 
   2735         /**
   2736          * Clears out internal reference when the action mode is destroyed.
   2737          */
   2738         private class ActionModeCallbackWrapper implements ActionMode.Callback {
   2739             private ActionMode.Callback mWrapped;
   2740 
   2741             public ActionModeCallbackWrapper(ActionMode.Callback wrapped) {
   2742                 mWrapped = wrapped;
   2743             }
   2744 
   2745             public boolean onCreateActionMode(ActionMode mode, Menu menu) {
   2746                 return mWrapped.onCreateActionMode(mode, menu);
   2747             }
   2748 
   2749             public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
   2750                 requestFitSystemWindows();
   2751                 return mWrapped.onPrepareActionMode(mode, menu);
   2752             }
   2753 
   2754             public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
   2755                 return mWrapped.onActionItemClicked(mode, item);
   2756             }
   2757 
   2758             public void onDestroyActionMode(ActionMode mode) {
   2759                 mWrapped.onDestroyActionMode(mode);
   2760                 if (mActionModePopup != null) {
   2761                     removeCallbacks(mShowActionModePopup);
   2762                     mActionModePopup.dismiss();
   2763                 } else if (mActionModeView != null) {
   2764                     mActionModeView.setVisibility(GONE);
   2765                 }
   2766                 if (mActionModeView != null) {
   2767                     mActionModeView.removeAllViews();
   2768                 }
   2769                 if (getCallback() != null && !isDestroyed()) {
   2770                     try {
   2771                         getCallback().onActionModeFinished(mActionMode);
   2772                     } catch (AbstractMethodError ame) {
   2773                         // Older apps might not implement this callback method.
   2774                     }
   2775                 }
   2776                 mActionMode = null;
   2777                 requestFitSystemWindows();
   2778             }
   2779         }
   2780     }
   2781 
   2782     protected DecorView generateDecor() {
   2783         return new DecorView(getContext(), -1);
   2784     }
   2785 
   2786     protected void setFeatureFromAttrs(int featureId, TypedArray attrs,
   2787             int drawableAttr, int alphaAttr) {
   2788         Drawable d = attrs.getDrawable(drawableAttr);
   2789         if (d != null) {
   2790             requestFeature(featureId);
   2791             setFeatureDefaultDrawable(featureId, d);
   2792         }
   2793         if ((getFeatures() & (1 << featureId)) != 0) {
   2794             int alpha = attrs.getInt(alphaAttr, -1);
   2795             if (alpha >= 0) {
   2796                 setFeatureDrawableAlpha(featureId, alpha);
   2797             }
   2798         }
   2799     }
   2800 
   2801     protected ViewGroup generateLayout(DecorView decor) {
   2802         // Apply data from current theme.
   2803 
   2804         TypedArray a = getWindowStyle();
   2805 
   2806         if (false) {
   2807             System.out.println("From style:");
   2808             String s = "Attrs:";
   2809             for (int i = 0; i < com.android.internal.R.styleable.Window.length; i++) {
   2810                 s = s + " " + Integer.toHexString(com.android.internal.R.styleable.Window[i]) + "="
   2811                         + a.getString(i);
   2812             }
   2813             System.out.println(s);
   2814         }
   2815 
   2816         mIsFloating = a.getBoolean(com.android.internal.R.styleable.Window_windowIsFloating, false);
   2817         int flagsToUpdate = (FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR)
   2818                 & (~getForcedWindowFlags());
   2819         if (mIsFloating) {
   2820             setLayout(WRAP_CONTENT, WRAP_CONTENT);
   2821             setFlags(0, flagsToUpdate);
   2822         } else {
   2823             setFlags(FLAG_LAYOUT_IN_SCREEN|FLAG_LAYOUT_INSET_DECOR, flagsToUpdate);
   2824         }
   2825 
   2826         if (a.getBoolean(com.android.internal.R.styleable.Window_windowNoTitle, false)) {
   2827             requestFeature(FEATURE_NO_TITLE);
   2828         } else if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBar, false)) {
   2829             // Don't allow an action bar if there is no title.
   2830             requestFeature(FEATURE_ACTION_BAR);
   2831         }
   2832 
   2833         if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionBarOverlay, false)) {
   2834             requestFeature(FEATURE_ACTION_BAR_OVERLAY);
   2835         }
   2836 
   2837         if (a.getBoolean(com.android.internal.R.styleable.Window_windowActionModeOverlay, false)) {
   2838             requestFeature(FEATURE_ACTION_MODE_OVERLAY);
   2839         }
   2840 
   2841         if (a.getBoolean(com.android.internal.R.styleable.Window_windowFullscreen, false)) {
   2842             setFlags(FLAG_FULLSCREEN, FLAG_FULLSCREEN & (~getForcedWindowFlags()));
   2843         }
   2844 
   2845         if (a.getBoolean(com.android.internal.R.styleable.Window_windowTranslucentStatus,
   2846                 false)) {
   2847             setFlags(FLAG_TRANSLUCENT_STATUS, FLAG_TRANSLUCENT_STATUS
   2848                     & (~getForcedWindowFlags()));
   2849         }
   2850 
   2851         if (a.getBoolean(com.android.internal.R.styleable.Window_windowTranslucentNavigation,
   2852                 false)) {
   2853             setFlags(FLAG_TRANSLUCENT_NAVIGATION, FLAG_TRANSLUCENT_NAVIGATION
   2854                     & (~getForcedWindowFlags()));
   2855         }
   2856 
   2857         if (a.getBoolean(com.android.internal.R.styleable.Window_windowOverscan, false)) {
   2858             setFlags(FLAG_LAYOUT_IN_OVERSCAN, FLAG_LAYOUT_IN_OVERSCAN&(~getForcedWindowFlags()));
   2859         }
   2860 
   2861         if (a.getBoolean(com.android.internal.R.styleable.Window_windowShowWallpaper, false)) {
   2862             setFlags(FLAG_SHOW_WALLPAPER, FLAG_SHOW_WALLPAPER&(~getForcedWindowFlags()));
   2863         }
   2864 
   2865         if (a.getBoolean(com.android.internal.R.styleable.Window_windowEnableSplitTouch,
   2866                 getContext().getApplicationInfo().targetSdkVersion
   2867                         >= android.os.Build.VERSION_CODES.HONEYCOMB)) {
   2868             setFlags(FLAG_SPLIT_TOUCH, FLAG_SPLIT_TOUCH&(~getForcedWindowFlags()));
   2869         }
   2870 
   2871         a.getValue(com.android.internal.R.styleable.Window_windowMinWidthMajor, mMinWidthMajor);
   2872         a.getValue(com.android.internal.R.styleable.Window_windowMinWidthMinor, mMinWidthMinor);
   2873         if (a.hasValue(com.android.internal.R.styleable.Window_windowFixedWidthMajor)) {
   2874             if (mFixedWidthMajor == null) mFixedWidthMajor = new TypedValue();
   2875             a.getValue(com.android.internal.R.styleable.Window_windowFixedWidthMajor,
   2876                     mFixedWidthMajor);
   2877         }
   2878         if (a.hasValue(com.android.internal.R.styleable.Window_windowFixedWidthMinor)) {
   2879             if (mFixedWidthMinor == null) mFixedWidthMinor = new TypedValue();
   2880             a.getValue(com.android.internal.R.styleable.Window_windowFixedWidthMinor,
   2881                     mFixedWidthMinor);
   2882         }
   2883         if (a.hasValue(com.android.internal.R.styleable.Window_windowFixedHeightMajor)) {
   2884             if (mFixedHeightMajor == null) mFixedHeightMajor = new TypedValue();
   2885             a.getValue(com.android.internal.R.styleable.Window_windowFixedHeightMajor,
   2886                     mFixedHeightMajor);
   2887         }
   2888         if (a.hasValue(com.android.internal.R.styleable.Window_windowFixedHeightMinor)) {
   2889             if (mFixedHeightMinor == null) mFixedHeightMinor = new TypedValue();
   2890             a.getValue(com.android.internal.R.styleable.Window_windowFixedHeightMinor,
   2891                     mFixedHeightMinor);
   2892         }
   2893 
   2894         final Context context = getContext();
   2895         final int targetSdk = context.getApplicationInfo().targetSdkVersion;
   2896         final boolean targetPreHoneycomb = targetSdk < android.os.Build.VERSION_CODES.HONEYCOMB;
   2897         final boolean targetPreIcs = targetSdk < android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH;
   2898         final boolean targetHcNeedsOptions = context.getResources().getBoolean(
   2899                 com.android.internal.R.bool.target_honeycomb_needs_options_menu);
   2900         final boolean noActionBar = !hasFeature(FEATURE_ACTION_BAR) || hasFeature(FEATURE_NO_TITLE);
   2901 
   2902         if (targetPreHoneycomb || (targetPreIcs && targetHcNeedsOptions && noActionBar)) {
   2903             addFlags(WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY);
   2904         } else {
   2905             clearFlags(WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY);
   2906         }
   2907 
   2908         if (mAlwaysReadCloseOnTouchAttr || getContext().getApplicationInfo().targetSdkVersion
   2909                 >= android.os.Build.VERSION_CODES.HONEYCOMB) {
   2910             if (a.getBoolean(
   2911                     com.android.internal.R.styleable.Window_windowCloseOnTouchOutside,
   2912                     false)) {
   2913                 setCloseOnTouchOutsideIfNotSet(true);
   2914             }
   2915         }
   2916 
   2917         WindowManager.LayoutParams params = getAttributes();
   2918 
   2919         if (!hasSoftInputMode()) {
   2920             params.softInputMode = a.getInt(
   2921                     com.android.internal.R.styleable.Window_windowSoftInputMode,
   2922                     params.softInputMode);
   2923         }
   2924 
   2925         if (a.getBoolean(com.android.internal.R.styleable.Window_backgroundDimEnabled,
   2926                 mIsFloating)) {
   2927             /* All dialogs should have the window dimmed */
   2928             if ((getForcedWindowFlags()&WindowManager.LayoutParams.FLAG_DIM_BEHIND) == 0) {
   2929                 params.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND;
   2930             }
   2931             if (!haveDimAmount()) {
   2932                 params.dimAmount = a.getFloat(
   2933                         android.R.styleable.Window_backgroundDimAmount, 0.5f);
   2934             }
   2935         }
   2936 
   2937         if (params.windowAnimations == 0) {
   2938             params.windowAnimations = a.getResourceId(
   2939                     com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
   2940         }
   2941 
   2942         // The rest are only done if this window is not embedded; otherwise,
   2943         // the values are inherited from our container.
   2944         if (getContainer() == null) {
   2945             if (mBackgroundDrawable == null) {
   2946                 if (mBackgroundResource == 0) {
   2947                     mBackgroundResource = a.getResourceId(
   2948                             com.android.internal.R.styleable.Window_windowBackground, 0);
   2949                 }
   2950                 if (mFrameResource == 0) {
   2951                     mFrameResource = a.getResourceId(com.android.internal.R.styleable.Window_windowFrame, 0);
   2952                 }
   2953                 if (false) {
   2954                     System.out.println("Background: "
   2955                             + Integer.toHexString(mBackgroundResource) + " Frame: "
   2956                             + Integer.toHexString(mFrameResource));
   2957                 }
   2958             }
   2959             mTextColor = a.getColor(com.android.internal.R.styleable.Window_textColor, 0xFF000000);
   2960         }
   2961 
   2962         // Inflate the window decor.
   2963 
   2964         int layoutResource;
   2965         int features = getLocalFeatures();
   2966         // System.out.println("Features: 0x" + Integer.toHexString(features));
   2967         if ((features & ((1 << FEATURE_LEFT_ICON) | (1 << FEATURE_RIGHT_ICON))) != 0) {
   2968             if (mIsFloating) {
   2969                 TypedValue res = new TypedValue();
   2970                 getContext().getTheme().resolveAttribute(
   2971                         com.android.internal.R.attr.dialogTitleIconsDecorLayout, res, true);
   2972                 layoutResource = res.resourceId;
   2973             } else {
   2974                 layoutResource = com.android.internal.R.layout.screen_title_icons;
   2975             }
   2976             // XXX Remove this once action bar supports these features.
   2977             removeFeature(FEATURE_ACTION_BAR);
   2978             // System.out.println("Title Icons!");
   2979         } else if ((features & ((1 << FEATURE_PROGRESS) | (1 << FEATURE_INDETERMINATE_PROGRESS))) != 0
   2980                 && (features & (1 << FEATURE_ACTION_BAR)) == 0) {
   2981             // Special case for a window with only a progress bar (and title).
   2982             // XXX Need to have a no-title version of embedded windows.
   2983             layoutResource = com.android.internal.R.layout.screen_progress;
   2984             // System.out.println("Progress!");
   2985         } else if ((features & (1 << FEATURE_CUSTOM_TITLE)) != 0) {
   2986             // Special case for a window with a custom title.
   2987             // If the window is floating, we need a dialog layout
   2988             if (mIsFloating) {
   2989                 TypedValue res = new TypedValue();
   2990                 getContext().getTheme().resolveAttribute(
   2991                         com.android.internal.R.attr.dialogCustomTitleDecorLayout, res, true);
   2992                 layoutResource = res.resourceId;
   2993             } else {
   2994                 layoutResource = com.android.internal.R.layout.screen_custom_title;
   2995             }
   2996             // XXX Remove this once action bar supports these features.
   2997             removeFeature(FEATURE_ACTION_BAR);
   2998         } else if ((features & (1 << FEATURE_NO_TITLE)) == 0) {
   2999             // If no other features and not embedded, only need a title.
   3000             // If the window is floating, we need a dialog layout
   3001             if (mIsFloating) {
   3002                 TypedValue res = new TypedValue();
   3003                 getContext().getTheme().resolveAttribute(
   3004                         com.android.internal.R.attr.dialogTitleDecorLayout, res, true);
   3005                 layoutResource = res.resourceId;
   3006             } else if ((features & (1 << FEATURE_ACTION_BAR)) != 0) {
   3007                 layoutResource = com.android.internal.R.layout.screen_action_bar;
   3008             } else {
   3009                 layoutResource = com.android.internal.R.layout.screen_title;
   3010             }
   3011             // System.out.println("Title!");
   3012         } else if ((features & (1 << FEATURE_ACTION_MODE_OVERLAY)) != 0) {
   3013             layoutResource = com.android.internal.R.layout.screen_simple_overlay_action_mode;
   3014         } else {
   3015             // Embedded, so no decoration is needed.
   3016             layoutResource = com.android.internal.R.layout.screen_simple;
   3017             // System.out.println("Simple!");
   3018         }
   3019 
   3020         mDecor.startChanging();
   3021 
   3022         View in = mLayoutInflater.inflate(layoutResource, null);
   3023         decor.addView(in, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
   3024 
   3025         ViewGroup contentParent = (ViewGroup)findViewById(ID_ANDROID_CONTENT);
   3026         if (contentParent == null) {
   3027             throw new RuntimeException("Window couldn't find content container view");
   3028         }
   3029 
   3030         if ((features & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
   3031             ProgressBar progress = getCircularProgressBar(false);
   3032             if (progress != null) {
   3033                 progress.setIndeterminate(true);
   3034             }
   3035         }
   3036 
   3037         // Remaining setup -- of background and title -- that only applies
   3038         // to top-level windows.
   3039         if (getContainer() == null) {
   3040             Drawable drawable = mBackgroundDrawable;
   3041             if (mBackgroundResource != 0) {
   3042                 drawable = getContext().getResources().getDrawable(mBackgroundResource);
   3043             }
   3044             mDecor.setWindowBackground(drawable);
   3045             drawable = null;
   3046             if (mFrameResource != 0) {
   3047                 drawable = getContext().getResources().getDrawable(mFrameResource);
   3048             }
   3049             mDecor.setWindowFrame(drawable);
   3050 
   3051             // System.out.println("Text=" + Integer.toHexString(mTextColor) +
   3052             // " Sel=" + Integer.toHexString(mTextSelectedColor) +
   3053             // " Title=" + Integer.toHexString(mTitleColor));
   3054 
   3055             if (mTitleColor == 0) {
   3056                 mTitleColor = mTextColor;
   3057             }
   3058 
   3059             if (mTitle != null) {
   3060                 setTitle(mTitle);
   3061             }
   3062             setTitleColor(mTitleColor);
   3063         }
   3064 
   3065         mDecor.finishChanging();
   3066 
   3067         return contentParent;
   3068     }
   3069 
   3070     /** @hide */
   3071     public void alwaysReadCloseOnTouchAttr() {
   3072         mAlwaysReadCloseOnTouchAttr = true;
   3073     }
   3074 
   3075     private void installDecor() {
   3076         if (mDecor == null) {
   3077             mDecor = generateDecor();
   3078             mDecor.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
   3079             mDecor.setIsRootNamespace(true);
   3080             if (!mInvalidatePanelMenuPosted && mInvalidatePanelMenuFeatures != 0) {
   3081                 mDecor.postOnAnimation(mInvalidatePanelMenuRunnable);
   3082             }
   3083         }
   3084         if (mContentParent == null) {
   3085             mContentParent = generateLayout(mDecor);
   3086 
   3087             // Set up decor part of UI to ignore fitsSystemWindows if appropriate.
   3088             mDecor.makeOptionalFitsSystemWindows();
   3089 
   3090             mTitleView = (TextView)findViewById(com.android.internal.R.id.title);
   3091             if (mTitleView != null) {
   3092                 mTitleView.setLayoutDirection(mDecor.getLayoutDirection());
   3093                 if ((getLocalFeatures() & (1 << FEATURE_NO_TITLE)) != 0) {
   3094                     View titleContainer = findViewById(com.android.internal.R.id.title_container);
   3095                     if (titleContainer != null) {
   3096                         titleContainer.setVisibility(View.GONE);
   3097                     } else {
   3098                         mTitleView.setVisibility(View.GONE);
   3099                     }
   3100                     if (mContentParent instanceof FrameLayout) {
   3101                         ((FrameLayout)mContentParent).setForeground(null);
   3102                     }
   3103                 } else {
   3104                     mTitleView.setText(mTitle);
   3105                 }
   3106             } else {
   3107                 mActionBar = (ActionBarView) findViewById(com.android.internal.R.id.action_bar);
   3108                 if (mActionBar != null) {
   3109                     mActionBar.setWindowCallback(getCallback());
   3110                     if (mActionBar.getTitle() == null) {
   3111                         mActionBar.setWindowTitle(mTitle);
   3112                     }
   3113                     final int localFeatures = getLocalFeatures();
   3114                     if ((localFeatures & (1 << FEATURE_PROGRESS)) != 0) {
   3115                         mActionBar.initProgress();
   3116                     }
   3117                     if ((localFeatures & (1 << FEATURE_INDETERMINATE_PROGRESS)) != 0) {
   3118                         mActionBar.initIndeterminateProgress();
   3119                     }
   3120 
   3121                     final ActionBarOverlayLayout abol = (ActionBarOverlayLayout) findViewById(
   3122                             com.android.internal.R.id.action_bar_overlay_layout);
   3123                     if (abol != null) {
   3124                         abol.setOverlayMode(
   3125                                 (localFeatures & (1 << FEATURE_ACTION_BAR_OVERLAY)) != 0);
   3126                     }
   3127 
   3128                     boolean splitActionBar = false;
   3129                     final boolean splitWhenNarrow =
   3130                             (mUiOptions & ActivityInfo.UIOPTION_SPLIT_ACTION_BAR_WHEN_NARROW) != 0;
   3131                     if (splitWhenNarrow) {
   3132                         splitActionBar = getContext().getResources().getBoolean(
   3133                                 com.android.internal.R.bool.split_action_bar_is_narrow);
   3134                     } else {
   3135                         splitActionBar = getWindowStyle().getBoolean(
   3136                                 com.android.internal.R.styleable.Window_windowSplitActionBar, false);
   3137                     }
   3138                     final ActionBarContainer splitView = (ActionBarContainer) findViewById(
   3139                             com.android.internal.R.id.split_action_bar);
   3140                     if (splitView != null) {
   3141                         mActionBar.setSplitView(splitView);
   3142                         mActionBar.setSplitActionBar(splitActionBar);
   3143                         mActionBar.setSplitWhenNarrow(splitWhenNarrow);
   3144 
   3145                         final ActionBarContextView cab = (ActionBarContextView) findViewById(
   3146                                 com.android.internal.R.id.action_context_bar);
   3147                         cab.setSplitView(splitView);
   3148                         cab.setSplitActionBar(splitActionBar);
   3149                         cab.setSplitWhenNarrow(splitWhenNarrow);
   3150                     } else if (splitActionBar) {
   3151                         Log.e(TAG, "Requested split action bar with " +
   3152                                 "incompatible window decor! Ignoring request.");
   3153                     }
   3154 
   3155                     if ((mResourcesSetFlags & FLAG_RESOURCE_SET_ICON) != 0 ||
   3156                             (mIconRes != 0 && !mActionBar.hasIcon())) {
   3157                         mActionBar.setIcon(mIconRes);
   3158                     } else if ((mResourcesSetFlags & FLAG_RESOURCE_SET_ICON) == 0 &&
   3159                             mIconRes == 0 && !mActionBar.hasIcon()) {
   3160                         mActionBar.setIcon(
   3161                                 getContext().getPackageManager().getDefaultActivityIcon());
   3162                         mResourcesSetFlags |= FLAG_RESOURCE_SET_ICON_FALLBACK;
   3163                     }
   3164                     if ((mResourcesSetFlags & FLAG_RESOURCE_SET_LOGO) != 0 ||
   3165                             (mLogoRes != 0 && !mActionBar.hasLogo())) {
   3166                         mActionBar.setLogo(mLogoRes);
   3167                     }
   3168 
   3169                     // Post the panel invalidate for later; avoid application onCreateOptionsMenu
   3170                     // being called in the middle of onCreate or similar.
   3171                     mDecor.post(new Runnable() {
   3172                         public void run() {
   3173                             // Invalidate if the panel menu hasn't been created before this.
   3174                             PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, false);
   3175                             if (!isDestroyed() && (st == null || st.menu == null)) {
   3176                                 invalidatePanelMenu(FEATURE_ACTION_BAR);
   3177                             }
   3178                         }
   3179                     });
   3180                 }
   3181             }
   3182         }
   3183     }
   3184 
   3185     private Drawable loadImageURI(Uri uri) {
   3186         try {
   3187             return Drawable.createFromStream(
   3188                     getContext().getContentResolver().openInputStream(uri), null);
   3189         } catch (Exception e) {
   3190             Log.w(TAG, "Unable to open content: " + uri);
   3191         }
   3192         return null;
   3193     }
   3194 
   3195     private DrawableFeatureState getDrawableState(int featureId, boolean required) {
   3196         if ((getFeatures() & (1 << featureId)) == 0) {
   3197             if (!required) {
   3198                 return null;
   3199             }
   3200             throw new RuntimeException("The feature has not been requested");
   3201         }
   3202 
   3203         DrawableFeatureState[] ar;
   3204         if ((ar = mDrawables) == null || ar.length <= featureId) {
   3205             DrawableFeatureState[] nar = new DrawableFeatureState[featureId + 1];
   3206             if (ar != null) {
   3207                 System.arraycopy(ar, 0, nar, 0, ar.length);
   3208             }
   3209             mDrawables = ar = nar;
   3210         }
   3211 
   3212         DrawableFeatureState st = ar[featureId];
   3213         if (st == null) {
   3214             ar[featureId] = st = new DrawableFeatureState(featureId);
   3215         }
   3216         return st;
   3217     }
   3218 
   3219     /**
   3220      * Gets a panel's state based on its feature ID.
   3221      *
   3222      * @param featureId The feature ID of the panel.
   3223      * @param required Whether the panel is required (if it is required and it
   3224      *            isn't in our features, this throws an exception).
   3225      * @return The panel state.
   3226      */
   3227     private PanelFeatureState getPanelState(int featureId, boolean required) {
   3228         return getPanelState(featureId, required, null);
   3229     }
   3230 
   3231     /**
   3232      * Gets a panel's state based on its feature ID.
   3233      *
   3234      * @param featureId The feature ID of the panel.
   3235      * @param required Whether the panel is required (if it is required and it
   3236      *            isn't in our features, this throws an exception).
   3237      * @param convertPanelState Optional: If the panel state does not exist, use
   3238      *            this as the panel state.
   3239      * @return The panel state.
   3240      */
   3241     private PanelFeatureState getPanelState(int featureId, boolean required,
   3242             PanelFeatureState convertPanelState) {
   3243         if ((getFeatures() & (1 << featureId)) == 0) {
   3244             if (!required) {
   3245                 return null;
   3246             }
   3247             throw new RuntimeException("The feature has not been requested");
   3248         }
   3249 
   3250         PanelFeatureState[] ar;
   3251         if ((ar = mPanels) == null || ar.length <= featureId) {
   3252             PanelFeatureState[] nar = new PanelFeatureState[featureId + 1];
   3253             if (ar != null) {
   3254                 System.arraycopy(ar, 0, nar, 0, ar.length);
   3255             }
   3256             mPanels = ar = nar;
   3257         }
   3258 
   3259         PanelFeatureState st = ar[featureId];
   3260         if (st == null) {
   3261             ar[featureId] = st = (convertPanelState != null)
   3262                     ? convertPanelState
   3263                     : new PanelFeatureState(featureId);
   3264         }
   3265         return st;
   3266     }
   3267 
   3268     @Override
   3269     public final void setChildDrawable(int featureId, Drawable drawable) {
   3270         DrawableFeatureState st = getDrawableState(featureId, true);
   3271         st.child = drawable;
   3272         updateDrawable(featureId, st, false);
   3273     }
   3274 
   3275     @Override
   3276     public final void setChildInt(int featureId, int value) {
   3277         updateInt(featureId, value, false);
   3278     }
   3279 
   3280     @Override
   3281     public boolean isShortcutKey(int keyCode, KeyEvent event) {
   3282         PanelFeatureState st = getPanelState(FEATURE_OPTIONS_PANEL, true);
   3283         return st.menu != null && st.menu.isShortcutKey(keyCode, event);
   3284     }
   3285 
   3286     private void updateDrawable(int featureId, DrawableFeatureState st, boolean fromResume) {
   3287         // Do nothing if the decor is not yet installed... an update will
   3288         // need to be forced when we eventually become active.
   3289         if (mContentParent == null) {
   3290             return;
   3291         }
   3292 
   3293         final int featureMask = 1 << featureId;
   3294 
   3295         if ((getFeatures() & featureMask) == 0 && !fromResume) {
   3296             return;
   3297         }
   3298 
   3299         Drawable drawable = null;
   3300         if (st != null) {
   3301             drawable = st.child;
   3302             if (drawable == null)
   3303                 drawable = st.local;
   3304             if (drawable == null)
   3305                 drawable = st.def;
   3306         }
   3307         if ((getLocalFeatures() & featureMask) == 0) {
   3308             if (getContainer() != null) {
   3309                 if (isActive() || fromResume) {
   3310                     getContainer().setChildDrawable(featureId, drawable);
   3311                 }
   3312             }
   3313         } else if (st != null && (st.cur != drawable || st.curAlpha != st.alpha)) {
   3314             // System.out.println("Drawable changed: old=" + st.cur
   3315             // + ", new=" + drawable);
   3316             st.cur = drawable;
   3317             st.curAlpha = st.alpha;
   3318             onDrawableChanged(featureId, drawable, st.alpha);
   3319         }
   3320     }
   3321 
   3322     private void updateInt(int featureId, int value, boolean fromResume) {
   3323 
   3324         // Do nothing if the decor is not yet installed... an update will
   3325         // need to be forced when we eventually become active.
   3326         if (mContentParent == null) {
   3327             return;
   3328         }
   3329 
   3330         final int featureMask = 1 << featureId;
   3331 
   3332         if ((getFeatures() & featureMask) == 0 && !fromResume) {
   3333             return;
   3334         }
   3335 
   3336         if ((getLocalFeatures() & featureMask) == 0) {
   3337             if (getContainer() != null) {
   3338                 getContainer().setChildInt(featureId, value);
   3339             }
   3340         } else {
   3341             onIntChanged(featureId, value);
   3342         }
   3343     }
   3344 
   3345     private ImageView getLeftIconView() {
   3346         if (mLeftIconView != null) {
   3347             return mLeftIconView;
   3348         }
   3349         if (mContentParent == null) {
   3350             installDecor();
   3351         }
   3352         return (mLeftIconView = (ImageView)findViewById(com.android.internal.R.id.left_icon));
   3353     }
   3354 
   3355     private ProgressBar getCircularProgressBar(boolean shouldInstallDecor) {
   3356         if (mCircularProgressBar != null) {
   3357             return mCircularProgressBar;
   3358         }
   3359         if (mContentParent == null && shouldInstallDecor) {
   3360             installDecor();
   3361         }
   3362         mCircularProgressBar = (ProgressBar) findViewById(com.android.internal.R.id.progress_circular);
   3363         if (mCircularProgressBar != null) {
   3364             mCircularProgressBar.setVisibility(View.INVISIBLE);
   3365         }
   3366         return mCircularProgressBar;
   3367     }
   3368 
   3369     private ProgressBar getHorizontalProgressBar(boolean shouldInstallDecor) {
   3370         if (mHorizontalProgressBar != null) {
   3371             return mHorizontalProgressBar;
   3372         }
   3373         if (mContentParent == null && shouldInstallDecor) {
   3374             installDecor();
   3375         }
   3376         mHorizontalProgressBar = (ProgressBar) findViewById(com.android.internal.R.id.progress_horizontal);
   3377         if (mHorizontalProgressBar != null) {
   3378             mHorizontalProgressBar.setVisibility(View.INVISIBLE);
   3379         }
   3380         return mHorizontalProgressBar;
   3381     }
   3382 
   3383     private ImageView getRightIconView() {
   3384         if (mRightIconView != null) {
   3385             return mRightIconView;
   3386         }
   3387         if (mContentParent == null) {
   3388             installDecor();
   3389         }
   3390         return (mRightIconView = (ImageView)findViewById(com.android.internal.R.id.right_icon));
   3391     }
   3392 
   3393     /**
   3394      * Helper method for calling the {@link Callback#onPanelClosed(int, Menu)}
   3395      * callback. This method will grab whatever extra state is needed for the
   3396      * callback that isn't given in the parameters. If the panel is not open,
   3397      * this will not perform the callback.
   3398      *
   3399      * @param featureId Feature ID of the panel that was closed. Must be given.
   3400      * @param panel Panel that was closed. Optional but useful if there is no
   3401      *            menu given.
   3402      * @param menu The menu that was closed. Optional, but give if you have.
   3403      */
   3404     private void callOnPanelClosed(int featureId, PanelFeatureState panel, Menu menu) {
   3405         final Callback cb = getCallback();
   3406         if (cb == null)
   3407             return;
   3408 
   3409         // Try to get a menu
   3410         if (menu == null) {
   3411             // Need a panel to grab the menu, so try to get that
   3412             if (panel == null) {
   3413                 if ((featureId >= 0) && (featureId < mPanels.length)) {
   3414                     panel = mPanels[featureId];
   3415                 }
   3416             }
   3417 
   3418             if (panel != null) {
   3419                 // menu still may be null, which is okay--we tried our best
   3420                 menu = panel.menu;
   3421             }
   3422         }
   3423 
   3424         // If the panel is not open, do not callback
   3425         if ((panel != null) && (!panel.isOpen))
   3426             return;
   3427 
   3428         if (!isDestroyed()) {
   3429             cb.onPanelClosed(featureId, menu);
   3430         }
   3431     }
   3432 
   3433     /**
   3434      * Helper method for adding launch-search to most applications. Opens the
   3435      * search window using default settings.
   3436      *
   3437      * @return true if search window opened
   3438      */
   3439     private boolean launchDefaultSearch() {
   3440         final Callback cb = getCallback();
   3441         if (cb == null || isDestroyed()) {
   3442             return false;
   3443         } else {
   3444             sendCloseSystemWindows("search");
   3445             return cb.onSearchRequested();
   3446         }
   3447     }
   3448 
   3449     @Override
   3450     public void setVolumeControlStream(int streamType) {
   3451         mVolumeControlStreamType = streamType;
   3452     }
   3453 
   3454     @Override
   3455     public int getVolumeControlStream() {
   3456         return mVolumeControlStreamType;
   3457     }
   3458 
   3459     private static final class DrawableFeatureState {
   3460         DrawableFeatureState(int _featureId) {
   3461             featureId = _featureId;
   3462         }
   3463 
   3464         final int featureId;
   3465 
   3466         int resid;
   3467 
   3468         Uri uri;
   3469 
   3470         Drawable local;
   3471 
   3472         Drawable child;
   3473 
   3474         Drawable def;
   3475 
   3476         Drawable cur;
   3477 
   3478         int alpha = 255;
   3479 
   3480         int curAlpha = 255;
   3481     }
   3482 
   3483     private static final class PanelFeatureState {
   3484 
   3485         /** Feature ID for this panel. */
   3486         int featureId;
   3487 
   3488         // Information pulled from the style for this panel.
   3489 
   3490         int background;
   3491 
   3492         /** The background when the panel spans the entire available width. */
   3493         int fullBackground;
   3494 
   3495         int gravity;
   3496 
   3497         int x;
   3498 
   3499         int y;
   3500 
   3501         int windowAnimations;
   3502 
   3503         /** Dynamic state of the panel. */
   3504         DecorView decorView;
   3505 
   3506         /** The panel that was returned by onCreatePanelView(). */
   3507         View createdPanelView;
   3508 
   3509         /** The panel that we are actually showing. */
   3510         View shownPanelView;
   3511 
   3512         /** Use {@link #setMenu} to set this. */
   3513         MenuBuilder menu;
   3514 
   3515         IconMenuPresenter iconMenuPresenter;
   3516         ListMenuPresenter listMenuPresenter;
   3517 
   3518         /** true if this menu will show in single-list compact mode */
   3519         boolean isCompact;
   3520 
   3521         /** Theme resource ID for list elements of the panel menu */
   3522         int listPresenterTheme;
   3523 
   3524         /**
   3525          * Whether the panel has been prepared (see
   3526          * {@link PhoneWindow#preparePanel}).
   3527          */
   3528         boolean isPrepared;
   3529 
   3530         /**
   3531          * Whether an item's action has been performed. This happens in obvious
   3532          * scenarios (user clicks on menu item), but can also happen with
   3533          * chording menu+(shortcut key).
   3534          */
   3535         boolean isHandled;
   3536 
   3537         boolean isOpen;
   3538 
   3539         /**
   3540          * True if the menu is in expanded mode, false if the menu is in icon
   3541          * mode
   3542          */
   3543         boolean isInExpandedMode;
   3544 
   3545         public boolean qwertyMode;
   3546 
   3547         boolean refreshDecorView;
   3548 
   3549         boolean refreshMenuContent;
   3550 
   3551         boolean wasLastOpen;
   3552 
   3553         boolean wasLastExpanded;
   3554 
   3555         /**
   3556          * Contains the state of the menu when told to freeze.
   3557          */
   3558         Bundle frozenMenuState;
   3559 
   3560         /**
   3561          * Contains the state of associated action views when told to freeze.
   3562          * These are saved across invalidations.
   3563          */
   3564         Bundle frozenActionViewState;
   3565 
   3566         PanelFeatureState(int featureId) {
   3567             this.featureId = featureId;
   3568 
   3569             refreshDecorView = false;
   3570         }
   3571 
   3572         public boolean isInListMode() {
   3573             return isInExpandedMode || isCompact;
   3574         }
   3575 
   3576         public boolean hasPanelItems() {
   3577             if (shownPanelView == null) return false;
   3578             if (createdPanelView != null) return true;
   3579 
   3580             if (isCompact || isInExpandedMode) {
   3581                 return listMenuPresenter.getAdapter().getCount() > 0;
   3582             } else {
   3583                 return ((ViewGroup) shownPanelView).getChildCount() > 0;
   3584             }
   3585         }
   3586 
   3587         /**
   3588          * Unregister and free attached MenuPresenters. They will be recreated as needed.
   3589          */
   3590         public void clearMenuPresenters() {
   3591             if (menu != null) {
   3592                 menu.removeMenuPresenter(iconMenuPresenter);
   3593                 menu.removeMenuPresenter(listMenuPresenter);
   3594             }
   3595             iconMenuPresenter = null;
   3596             listMenuPresenter = null;
   3597         }
   3598 
   3599         void setStyle(Context context) {
   3600             TypedArray a = context.obtainStyledAttributes(com.android.internal.R.styleable.Theme);
   3601             background = a.getResourceId(
   3602                     com.android.internal.R.styleable.Theme_panelBackground, 0);
   3603             fullBackground = a.getResourceId(
   3604                     com.android.internal.R.styleable.Theme_panelFullBackground, 0);
   3605             windowAnimations = a.getResourceId(
   3606                     com.android.internal.R.styleable.Theme_windowAnimationStyle, 0);
   3607             isCompact = a.getBoolean(
   3608                     com.android.internal.R.styleable.Theme_panelMenuIsCompact, false);
   3609             listPresenterTheme = a.getResourceId(
   3610                     com.android.internal.R.styleable.Theme_panelMenuListTheme,
   3611                     com.android.internal.R.style.Theme_ExpandedMenu);
   3612             a.recycle();
   3613         }
   3614 
   3615         void setMenu(MenuBuilder menu) {
   3616             if (menu == this.menu) return;
   3617 
   3618             if (this.menu != null) {
   3619                 this.menu.removeMenuPresenter(iconMenuPresenter);
   3620                 this.menu.removeMenuPresenter(listMenuPresenter);
   3621             }
   3622             this.menu = menu;
   3623             if (menu != null) {
   3624                 if (iconMenuPresenter != null) menu.addMenuPresenter(iconMenuPresenter);
   3625                 if (listMenuPresenter != null) menu.addMenuPresenter(listMenuPresenter);
   3626             }
   3627         }
   3628 
   3629         MenuView getListMenuView(Context context, MenuPresenter.Callback cb) {
   3630             if (menu == null) return null;
   3631 
   3632             if (!isCompact) {
   3633                 getIconMenuView(context, cb); // Need this initialized to know where our offset goes
   3634             }
   3635 
   3636             if (listMenuPresenter == null) {
   3637                 listMenuPresenter = new ListMenuPresenter(
   3638                         com.android.internal.R.layout.list_menu_item_layout, listPresenterTheme);
   3639                 listMenuPresenter.setCallback(cb);
   3640                 listMenuPresenter.setId(com.android.internal.R.id.list_menu_presenter);
   3641                 menu.addMenuPresenter(listMenuPresenter);
   3642             }
   3643 
   3644             if (iconMenuPresenter != null) {
   3645                 listMenuPresenter.setItemIndexOffset(
   3646                         iconMenuPresenter.getNumActualItemsShown());
   3647             }
   3648             MenuView result = listMenuPresenter.getMenuView(decorView);
   3649 
   3650             return result;
   3651         }
   3652 
   3653         MenuView getIconMenuView(Context context, MenuPresenter.Callback cb) {
   3654             if (menu == null) return null;
   3655 
   3656             if (iconMenuPresenter == null) {
   3657                 iconMenuPresenter = new IconMenuPresenter(context);
   3658                 iconMenuPresenter.setCallback(cb);
   3659                 iconMenuPresenter.setId(com.android.internal.R.id.icon_menu_presenter);
   3660                 menu.addMenuPresenter(iconMenuPresenter);
   3661             }
   3662 
   3663             MenuView result = iconMenuPresenter.getMenuView(decorView);
   3664 
   3665             return result;
   3666         }
   3667 
   3668         Parcelable onSaveInstanceState() {
   3669             SavedState savedState = new SavedState();
   3670             savedState.featureId = featureId;
   3671             savedState.isOpen = isOpen;
   3672             savedState.isInExpandedMode = isInExpandedMode;
   3673 
   3674             if (menu != null) {
   3675                 savedState.menuState = new Bundle();
   3676                 menu.savePresenterStates(savedState.menuState);
   3677             }
   3678 
   3679             return savedState;
   3680         }
   3681 
   3682         void onRestoreInstanceState(Parcelable state) {
   3683             SavedState savedState = (SavedState) state;
   3684             featureId = savedState.featureId;
   3685             wasLastOpen = savedState.isOpen;
   3686             wasLastExpanded = savedState.isInExpandedMode;
   3687             frozenMenuState = savedState.menuState;
   3688 
   3689             /*
   3690              * A LocalActivityManager keeps the same instance of this class around.
   3691              * The first time the menu is being shown after restoring, the
   3692              * Activity.onCreateOptionsMenu should be called. But, if it is the
   3693              * same instance then menu != null and we won't call that method.
   3694              * We clear any cached views here. The caller should invalidatePanelMenu.
   3695              */
   3696             createdPanelView = null;
   3697             shownPanelView = null;
   3698             decorView = null;
   3699         }
   3700 
   3701         void applyFrozenState() {
   3702             if (menu != null && frozenMenuState != null) {
   3703                 menu.restorePresenterStates(frozenMenuState);
   3704                 frozenMenuState = null;
   3705             }
   3706         }
   3707 
   3708         private static class SavedState implements Parcelable {
   3709             int featureId;
   3710             boolean isOpen;
   3711             boolean isInExpandedMode;
   3712             Bundle menuState;
   3713 
   3714             public int describeContents() {
   3715                 return 0;
   3716             }
   3717 
   3718             public void writeToParcel(Parcel dest, int flags) {
   3719                 dest.writeInt(featureId);
   3720                 dest.writeInt(isOpen ? 1 : 0);
   3721                 dest.writeInt(isInExpandedMode ? 1 : 0);
   3722 
   3723                 if (isOpen) {
   3724                     dest.writeBundle(menuState);
   3725                 }
   3726             }
   3727 
   3728             private static SavedState readFromParcel(Parcel source) {
   3729                 SavedState savedState = new SavedState();
   3730                 savedState.featureId = source.readInt();
   3731                 savedState.isOpen = source.readInt() == 1;
   3732                 savedState.isInExpandedMode = source.readInt() == 1;
   3733 
   3734                 if (savedState.isOpen) {
   3735                     savedState.menuState = source.readBundle();
   3736                 }
   3737 
   3738                 return savedState;
   3739             }
   3740 
   3741             public static final Parcelable.Creator<SavedState> CREATOR
   3742                     = new Parcelable.Creator<SavedState>() {
   3743                 public SavedState createFromParcel(Parcel in) {
   3744                     return readFromParcel(in);
   3745                 }
   3746 
   3747                 public SavedState[] newArray(int size) {
   3748                     return new SavedState[size];
   3749                 }
   3750             };
   3751         }
   3752 
   3753     }
   3754 
   3755     static class RotationWatcher extends IRotationWatcher.Stub {
   3756         private Handler mHandler;
   3757         private final Runnable mRotationChanged = new Runnable() {
   3758             public void run() {
   3759                 dispatchRotationChanged();
   3760             }
   3761         };
   3762         private final ArrayList<WeakReference<PhoneWindow>> mWindows =
   3763                 new ArrayList<WeakReference<PhoneWindow>>();
   3764         private boolean mIsWatching;
   3765 
   3766         @Override
   3767         public void onRotationChanged(int rotation) throws RemoteException {
   3768             mHandler.post(mRotationChanged);
   3769         }
   3770 
   3771         public void addWindow(PhoneWindow phoneWindow) {
   3772             synchronized (mWindows) {
   3773                 if (!mIsWatching) {
   3774                     try {
   3775                         WindowManagerHolder.sWindowManager.watchRotation(this);
   3776                         mHandler = new Handler();
   3777                         mIsWatching = true;
   3778                     } catch (RemoteException ex) {
   3779                         Log.e(TAG, "Couldn't start watching for device rotation", ex);
   3780                     }
   3781                 }
   3782                 mWindows.add(new WeakReference<PhoneWindow>(phoneWindow));
   3783             }
   3784         }
   3785 
   3786         public void removeWindow(PhoneWindow phoneWindow) {
   3787             synchronized (mWindows) {
   3788                 int i = 0;
   3789                 while (i < mWindows.size()) {
   3790                     final WeakReference<PhoneWindow> ref = mWindows.get(i);
   3791                     final PhoneWindow win = ref.get();
   3792                     if (win == null || win == phoneWindow) {
   3793                         mWindows.remove(i);
   3794                     } else {
   3795                         i++;
   3796                     }
   3797                 }
   3798             }
   3799         }
   3800 
   3801         void dispatchRotationChanged() {
   3802             synchronized (mWindows) {
   3803                 int i = 0;
   3804                 while (i < mWindows.size()) {
   3805                     final WeakReference<PhoneWindow> ref = mWindows.get(i);
   3806                     final PhoneWindow win = ref.get();
   3807                     if (win != null) {
   3808                         win.onOptionsPanelRotationChanged();
   3809                         i++;
   3810                     } else {
   3811                         mWindows.remove(i);
   3812                     }
   3813                 }
   3814             }
   3815         }
   3816     }
   3817 
   3818     /**
   3819      * Simple implementation of MenuBuilder.Callback that:
   3820      * <li> Opens a submenu when selected.
   3821      * <li> Calls back to the callback's onMenuItemSelected when an item is
   3822      * selected.
   3823      */
   3824     private final class DialogMenuCallback implements MenuBuilder.Callback, MenuPresenter.Callback {
   3825         private int mFeatureId;
   3826         private MenuDialogHelper mSubMenuHelper;
   3827 
   3828         public DialogMenuCallback(int featureId) {
   3829             mFeatureId = featureId;
   3830         }
   3831 
   3832         public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
   3833             if (menu.getRootMenu() != menu) {
   3834                 onCloseSubMenu(menu);
   3835             }
   3836 
   3837             if (allMenusAreClosing) {
   3838                 Callback callback = getCallback();
   3839                 if (callback != null && !isDestroyed()) {
   3840                     callback.onPanelClosed(mFeatureId, menu);
   3841                 }
   3842 
   3843                 if (menu == mContextMenu) {
   3844                     dismissContextMenu();
   3845                 }
   3846 
   3847                 // Dismiss the submenu, if it is showing
   3848                 if (mSubMenuHelper != null) {
   3849                     mSubMenuHelper.dismiss();
   3850                     mSubMenuHelper = null;
   3851                 }
   3852             }
   3853         }
   3854 
   3855         public void onCloseSubMenu(MenuBuilder menu) {
   3856             Callback callback = getCallback();
   3857             if (callback != null && !isDestroyed()) {
   3858                 callback.onPanelClosed(mFeatureId, menu.getRootMenu());
   3859             }
   3860         }
   3861 
   3862         public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
   3863             Callback callback = getCallback();
   3864             return (callback != null && !isDestroyed())
   3865                     && callback.onMenuItemSelected(mFeatureId, item);
   3866         }
   3867 
   3868         public void onMenuModeChange(MenuBuilder menu) {
   3869         }
   3870 
   3871         public boolean onOpenSubMenu(MenuBuilder subMenu) {
   3872             if (subMenu == null) return false;
   3873 
   3874             // Set a simple callback for the submenu
   3875             subMenu.setCallback(this);
   3876 
   3877             // The window manager will give us a valid window token
   3878             mSubMenuHelper = new MenuDialogHelper(subMenu);
   3879             mSubMenuHelper.show(null);
   3880 
   3881             return true;
   3882         }
   3883     }
   3884 
   3885     void sendCloseSystemWindows() {
   3886         PhoneWindowManager.sendCloseSystemWindows(getContext(), null);
   3887     }
   3888 
   3889     void sendCloseSystemWindows(String reason) {
   3890         PhoneWindowManager.sendCloseSystemWindows(getContext(), reason);
   3891     }
   3892 }
   3893