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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.server.wm;
     18 
     19 import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
     20 import static android.view.WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW;
     21 import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW;
     22 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
     23 import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
     24 import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
     25 import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
     26 
     27 import com.android.server.wm.WindowManagerService.H;
     28 
     29 import android.content.res.Configuration;
     30 import android.graphics.Matrix;
     31 import android.graphics.PixelFormat;
     32 import android.graphics.Rect;
     33 import android.graphics.RectF;
     34 import android.graphics.Region;
     35 import android.os.IBinder;
     36 import android.os.RemoteException;
     37 import android.util.Slog;
     38 import android.view.Gravity;
     39 import android.view.IApplicationToken;
     40 import android.view.IWindow;
     41 import android.view.InputChannel;
     42 import android.view.Surface;
     43 import android.view.View;
     44 import android.view.ViewTreeObserver;
     45 import android.view.WindowManager;
     46 import android.view.WindowManagerPolicy;
     47 import android.view.WindowManager.LayoutParams;
     48 import android.view.animation.Animation;
     49 import android.view.animation.Transformation;
     50 
     51 import java.io.PrintWriter;
     52 import java.util.ArrayList;
     53 
     54 /**
     55  * A window in the window manager.
     56  */
     57 final class WindowState implements WindowManagerPolicy.WindowState {
     58     static final boolean DEBUG_VISIBILITY = WindowManagerService.DEBUG_VISIBILITY;
     59     static final boolean SHOW_TRANSACTIONS = WindowManagerService.SHOW_TRANSACTIONS;
     60     static final boolean SHOW_LIGHT_TRANSACTIONS = WindowManagerService.SHOW_LIGHT_TRANSACTIONS;
     61     static final boolean SHOW_SURFACE_ALLOC = WindowManagerService.SHOW_SURFACE_ALLOC;
     62 
     63     final WindowManagerService mService;
     64     final Session mSession;
     65     final IWindow mClient;
     66     WindowToken mToken;
     67     WindowToken mRootToken;
     68     AppWindowToken mAppToken;
     69     AppWindowToken mTargetAppToken;
     70     final WindowManager.LayoutParams mAttrs = new WindowManager.LayoutParams();
     71     final DeathRecipient mDeathRecipient;
     72     final WindowState mAttachedWindow;
     73     final ArrayList<WindowState> mChildWindows = new ArrayList<WindowState>();
     74     final int mBaseLayer;
     75     final int mSubLayer;
     76     final boolean mLayoutAttached;
     77     final boolean mIsImWindow;
     78     final boolean mIsWallpaper;
     79     final boolean mIsFloatingLayer;
     80     int mSeq;
     81     boolean mEnforceSizeCompat;
     82     int mViewVisibility;
     83     int mSystemUiVisibility;
     84     boolean mPolicyVisibility = true;
     85     boolean mPolicyVisibilityAfterAnim = true;
     86     boolean mAppFreezing;
     87     Surface mSurface;
     88     boolean mReportDestroySurface;
     89     boolean mSurfacePendingDestroy;
     90     boolean mAttachedHidden;    // is our parent window hidden?
     91     boolean mLastHidden;        // was this window last hidden?
     92     boolean mWallpaperVisible;  // for wallpaper, what was last vis report?
     93 
     94     /**
     95      * The window size that was requested by the application.  These are in
     96      * the application's coordinate space (without compatibility scale applied).
     97      */
     98     int mRequestedWidth;
     99     int mRequestedHeight;
    100 
    101     int mLayer;
    102     int mAnimLayer;
    103     int mLastLayer;
    104     boolean mHaveFrame;
    105     boolean mObscured;
    106     boolean mTurnOnScreen;
    107 
    108     int mLayoutSeq = -1;
    109 
    110     Configuration mConfiguration = null;
    111 
    112     /**
    113      * Actual frame shown on-screen (may be modified by animation).  These
    114      * are in the screen's coordinate space (WITH the compatibility scale
    115      * applied).
    116      */
    117     final RectF mShownFrame = new RectF();
    118 
    119     /**
    120      * Set when we have changed the size of the surface, to know that
    121      * we must tell them application to resize (and thus redraw itself).
    122      */
    123     boolean mSurfaceResized;
    124 
    125     /**
    126      * Insets that determine the actually visible area.  These are in the application's
    127      * coordinate space (without compatibility scale applied).
    128      */
    129     final Rect mVisibleInsets = new Rect();
    130     final Rect mLastVisibleInsets = new Rect();
    131     boolean mVisibleInsetsChanged;
    132 
    133     /**
    134      * Insets that are covered by system windows.  These are in the application's
    135      * coordinate space (without compatibility scale applied).
    136      */
    137     final Rect mContentInsets = new Rect();
    138     final Rect mLastContentInsets = new Rect();
    139     boolean mContentInsetsChanged;
    140 
    141     /**
    142      * Set to true if we are waiting for this window to receive its
    143      * given internal insets before laying out other windows based on it.
    144      */
    145     boolean mGivenInsetsPending;
    146 
    147     /**
    148      * These are the content insets that were given during layout for
    149      * this window, to be applied to windows behind it.
    150      */
    151     final Rect mGivenContentInsets = new Rect();
    152 
    153     /**
    154      * These are the visible insets that were given during layout for
    155      * this window, to be applied to windows behind it.
    156      */
    157     final Rect mGivenVisibleInsets = new Rect();
    158 
    159     /**
    160      * This is the given touchable area relative to the window frame, or null if none.
    161      */
    162     final Region mGivenTouchableRegion = new Region();
    163 
    164     /**
    165      * Flag indicating whether the touchable region should be adjusted by
    166      * the visible insets; if false the area outside the visible insets is
    167      * NOT touchable, so we must use those to adjust the frame during hit
    168      * tests.
    169      */
    170     int mTouchableInsets = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME;
    171 
    172     // Current transformation being applied.
    173     boolean mHaveMatrix;
    174     float mGlobalScale=1;
    175     float mInvGlobalScale=1;
    176     float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1;
    177     float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1;
    178     float mHScale=1, mVScale=1;
    179     float mLastHScale=1, mLastVScale=1;
    180     final Matrix mTmpMatrix = new Matrix();
    181 
    182     // "Real" frame that the application sees, in display coordinate space.
    183     final Rect mFrame = new Rect();
    184     final Rect mLastFrame = new Rect();
    185     // Frame that is scaled to the application's coordinate space when in
    186     // screen size compatibility mode.
    187     final Rect mCompatFrame = new Rect();
    188 
    189     final Rect mContainingFrame = new Rect();
    190     final Rect mDisplayFrame = new Rect();
    191     final Rect mContentFrame = new Rect();
    192     final Rect mParentFrame = new Rect();
    193     final Rect mVisibleFrame = new Rect();
    194 
    195     boolean mContentChanged;
    196 
    197     float mShownAlpha = 1;
    198     float mAlpha = 1;
    199     float mLastAlpha = 1;
    200 
    201     // Set to true if, when the window gets displayed, it should perform
    202     // an enter animation.
    203     boolean mEnterAnimationPending;
    204 
    205     // Currently running animation.
    206     boolean mAnimating;
    207     boolean mLocalAnimating;
    208     Animation mAnimation;
    209     boolean mAnimationIsEntrance;
    210     boolean mHasTransformation;
    211     boolean mHasLocalTransformation;
    212     final Transformation mTransformation = new Transformation();
    213 
    214     // If a window showing a wallpaper: the requested offset for the
    215     // wallpaper; if a wallpaper window: the currently applied offset.
    216     float mWallpaperX = -1;
    217     float mWallpaperY = -1;
    218 
    219     // If a window showing a wallpaper: what fraction of the offset
    220     // range corresponds to a full virtual screen.
    221     float mWallpaperXStep = -1;
    222     float mWallpaperYStep = -1;
    223 
    224     // Wallpaper windows: pixels offset based on above variables.
    225     int mXOffset;
    226     int mYOffset;
    227 
    228     // This is set after IWindowSession.relayout() has been called at
    229     // least once for the window.  It allows us to detect the situation
    230     // where we don't yet have a surface, but should have one soon, so
    231     // we can give the window focus before waiting for the relayout.
    232     boolean mRelayoutCalled;
    233 
    234     // This is set after the Surface has been created but before the
    235     // window has been drawn.  During this time the surface is hidden.
    236     boolean mDrawPending;
    237 
    238     // This is set after the window has finished drawing for the first
    239     // time but before its surface is shown.  The surface will be
    240     // displayed when the next layout is run.
    241     boolean mCommitDrawPending;
    242 
    243     // This is set during the time after the window's drawing has been
    244     // committed, and before its surface is actually shown.  It is used
    245     // to delay showing the surface until all windows in a token are ready
    246     // to be shown.
    247     boolean mReadyToShow;
    248 
    249     // Set when the window has been shown in the screen the first time.
    250     boolean mHasDrawn;
    251 
    252     // Currently running an exit animation?
    253     boolean mExiting;
    254 
    255     // Currently on the mDestroySurface list?
    256     boolean mDestroying;
    257 
    258     // Completely remove from window manager after exit animation?
    259     boolean mRemoveOnExit;
    260 
    261     // Set when the orientation is changing and this window has not yet
    262     // been updated for the new orientation.
    263     boolean mOrientationChanging;
    264 
    265     // Is this window now (or just being) removed?
    266     boolean mRemoved;
    267 
    268     // Temp for keeping track of windows that have been removed when
    269     // rebuilding window list.
    270     boolean mRebuilding;
    271 
    272     // For debugging, this is the last information given to the surface flinger.
    273     boolean mSurfaceShown;
    274     float mSurfaceX, mSurfaceY, mSurfaceW, mSurfaceH;
    275     int mSurfaceLayer;
    276     float mSurfaceAlpha;
    277 
    278     // Input channel and input window handle used by the input dispatcher.
    279     final InputWindowHandle mInputWindowHandle;
    280     InputChannel mInputChannel;
    281 
    282     // Used to improve performance of toString()
    283     String mStringNameCache;
    284     CharSequence mLastTitle;
    285     boolean mWasPaused;
    286 
    287     WindowState(WindowManagerService service, Session s, IWindow c, WindowToken token,
    288            WindowState attachedWindow, int seq, WindowManager.LayoutParams a,
    289            int viewVisibility) {
    290         mService = service;
    291         mSession = s;
    292         mClient = c;
    293         mToken = token;
    294         mAttrs.copyFrom(a);
    295         mViewVisibility = viewVisibility;
    296         DeathRecipient deathRecipient = new DeathRecipient();
    297         mAlpha = a.alpha;
    298         mSeq = seq;
    299         mEnforceSizeCompat = (mAttrs.flags & FLAG_COMPATIBLE_WINDOW) != 0;
    300         if (WindowManagerService.localLOGV) Slog.v(
    301             WindowManagerService.TAG, "Window " + this + " client=" + c.asBinder()
    302             + " token=" + token + " (" + mAttrs.token + ")");
    303         try {
    304             c.asBinder().linkToDeath(deathRecipient, 0);
    305         } catch (RemoteException e) {
    306             mDeathRecipient = null;
    307             mAttachedWindow = null;
    308             mLayoutAttached = false;
    309             mIsImWindow = false;
    310             mIsWallpaper = false;
    311             mIsFloatingLayer = false;
    312             mBaseLayer = 0;
    313             mSubLayer = 0;
    314             mInputWindowHandle = null;
    315             return;
    316         }
    317         mDeathRecipient = deathRecipient;
    318 
    319         if ((mAttrs.type >= FIRST_SUB_WINDOW &&
    320                 mAttrs.type <= LAST_SUB_WINDOW)) {
    321             // The multiplier here is to reserve space for multiple
    322             // windows in the same type layer.
    323             mBaseLayer = mService.mPolicy.windowTypeToLayerLw(
    324                     attachedWindow.mAttrs.type) * WindowManagerService.TYPE_LAYER_MULTIPLIER
    325                     + WindowManagerService.TYPE_LAYER_OFFSET;
    326             mSubLayer = mService.mPolicy.subWindowTypeToLayerLw(a.type);
    327             mAttachedWindow = attachedWindow;
    328             if (WindowManagerService.DEBUG_ADD_REMOVE) Slog.v(WindowManagerService.TAG, "Adding " + this + " to " + mAttachedWindow);
    329             mAttachedWindow.mChildWindows.add(this);
    330             mLayoutAttached = mAttrs.type !=
    331                     WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
    332             mIsImWindow = attachedWindow.mAttrs.type == TYPE_INPUT_METHOD
    333                     || attachedWindow.mAttrs.type == TYPE_INPUT_METHOD_DIALOG;
    334             mIsWallpaper = attachedWindow.mAttrs.type == TYPE_WALLPAPER;
    335             mIsFloatingLayer = mIsImWindow || mIsWallpaper;
    336         } else {
    337             // The multiplier here is to reserve space for multiple
    338             // windows in the same type layer.
    339             mBaseLayer = mService.mPolicy.windowTypeToLayerLw(a.type)
    340                     * WindowManagerService.TYPE_LAYER_MULTIPLIER
    341                     + WindowManagerService.TYPE_LAYER_OFFSET;
    342             mSubLayer = 0;
    343             mAttachedWindow = null;
    344             mLayoutAttached = false;
    345             mIsImWindow = mAttrs.type == TYPE_INPUT_METHOD
    346                     || mAttrs.type == TYPE_INPUT_METHOD_DIALOG;
    347             mIsWallpaper = mAttrs.type == TYPE_WALLPAPER;
    348             mIsFloatingLayer = mIsImWindow || mIsWallpaper;
    349         }
    350 
    351         WindowState appWin = this;
    352         while (appWin.mAttachedWindow != null) {
    353             appWin = mAttachedWindow;
    354         }
    355         WindowToken appToken = appWin.mToken;
    356         while (appToken.appWindowToken == null) {
    357             WindowToken parent = mService.mTokenMap.get(appToken.token);
    358             if (parent == null || appToken == parent) {
    359                 break;
    360             }
    361             appToken = parent;
    362         }
    363         mRootToken = appToken;
    364         mAppToken = appToken.appWindowToken;
    365 
    366         mSurface = null;
    367         mRequestedWidth = 0;
    368         mRequestedHeight = 0;
    369         mXOffset = 0;
    370         mYOffset = 0;
    371         mLayer = 0;
    372         mAnimLayer = 0;
    373         mLastLayer = 0;
    374         mInputWindowHandle = new InputWindowHandle(
    375                 mAppToken != null ? mAppToken.mInputApplicationHandle : null, this);
    376     }
    377 
    378     void attach() {
    379         if (WindowManagerService.localLOGV) Slog.v(
    380             WindowManagerService.TAG, "Attaching " + this + " token=" + mToken
    381             + ", list=" + mToken.windows);
    382         mSession.windowAddedLocked();
    383     }
    384 
    385     public void computeFrameLw(Rect pf, Rect df, Rect cf, Rect vf) {
    386         mHaveFrame = true;
    387 
    388         final Rect container = mContainingFrame;
    389         container.set(pf);
    390 
    391         final Rect display = mDisplayFrame;
    392         display.set(df);
    393 
    394         final int pw = container.right - container.left;
    395         final int ph = container.bottom - container.top;
    396 
    397         int w,h;
    398         if ((mAttrs.flags & WindowManager.LayoutParams.FLAG_SCALED) != 0) {
    399             if (mAttrs.width < 0) {
    400                 w = pw;
    401             } else if (mEnforceSizeCompat) {
    402                 w = (int)(mAttrs.width * mGlobalScale + .5f);
    403             } else {
    404                 w = mAttrs.width;
    405             }
    406             if (mAttrs.height < 0) {
    407                 h = ph;
    408             } else if (mEnforceSizeCompat) {
    409                 h = (int)(mAttrs.height * mGlobalScale + .5f);
    410             } else {
    411                 h = mAttrs.height;
    412             }
    413         } else {
    414             if (mAttrs.width == WindowManager.LayoutParams.MATCH_PARENT) {
    415                 w = pw;
    416             } else if (mEnforceSizeCompat) {
    417                 w = (int)(mRequestedWidth * mGlobalScale + .5f);
    418             } else {
    419                 w = mRequestedWidth;
    420             }
    421             if (mAttrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
    422                 h = ph;
    423             } else if (mEnforceSizeCompat) {
    424                 h = (int)(mRequestedHeight * mGlobalScale + .5f);
    425             } else {
    426                 h = mRequestedHeight;
    427             }
    428         }
    429 
    430         if (!mParentFrame.equals(pf)) {
    431             //Slog.i(TAG, "Window " + this + " content frame from " + mParentFrame
    432             //        + " to " + pf);
    433             mParentFrame.set(pf);
    434             mContentChanged = true;
    435         }
    436 
    437         final Rect content = mContentFrame;
    438         content.set(cf);
    439 
    440         final Rect visible = mVisibleFrame;
    441         visible.set(vf);
    442 
    443         final Rect frame = mFrame;
    444         final int fw = frame.width();
    445         final int fh = frame.height();
    446 
    447         //System.out.println("In: w=" + w + " h=" + h + " container=" +
    448         //                   container + " x=" + mAttrs.x + " y=" + mAttrs.y);
    449 
    450         float x, y;
    451         if (mEnforceSizeCompat) {
    452             x = mAttrs.x * mGlobalScale;
    453             y = mAttrs.y * mGlobalScale;
    454         } else {
    455             x = mAttrs.x;
    456             y = mAttrs.y;
    457         }
    458 
    459         Gravity.apply(mAttrs.gravity, w, h, container,
    460                 (int) (x + mAttrs.horizontalMargin * pw),
    461                 (int) (y + mAttrs.verticalMargin * ph), frame);
    462 
    463         //System.out.println("Out: " + mFrame);
    464 
    465         // Now make sure the window fits in the overall display.
    466         Gravity.applyDisplay(mAttrs.gravity, df, frame);
    467 
    468         // Make sure the content and visible frames are inside of the
    469         // final window frame.
    470         if (content.left < frame.left) content.left = frame.left;
    471         if (content.top < frame.top) content.top = frame.top;
    472         if (content.right > frame.right) content.right = frame.right;
    473         if (content.bottom > frame.bottom) content.bottom = frame.bottom;
    474         if (visible.left < frame.left) visible.left = frame.left;
    475         if (visible.top < frame.top) visible.top = frame.top;
    476         if (visible.right > frame.right) visible.right = frame.right;
    477         if (visible.bottom > frame.bottom) visible.bottom = frame.bottom;
    478 
    479         final Rect contentInsets = mContentInsets;
    480         contentInsets.left = content.left-frame.left;
    481         contentInsets.top = content.top-frame.top;
    482         contentInsets.right = frame.right-content.right;
    483         contentInsets.bottom = frame.bottom-content.bottom;
    484 
    485         final Rect visibleInsets = mVisibleInsets;
    486         visibleInsets.left = visible.left-frame.left;
    487         visibleInsets.top = visible.top-frame.top;
    488         visibleInsets.right = frame.right-visible.right;
    489         visibleInsets.bottom = frame.bottom-visible.bottom;
    490 
    491         mCompatFrame.set(frame);
    492         if (mEnforceSizeCompat) {
    493             // If there is a size compatibility scale being applied to the
    494             // window, we need to apply this to its insets so that they are
    495             // reported to the app in its coordinate space.
    496             contentInsets.scale(mInvGlobalScale);
    497             visibleInsets.scale(mInvGlobalScale);
    498 
    499             // Also the scaled frame that we report to the app needs to be
    500             // adjusted to be in its coordinate space.
    501             mCompatFrame.scale(mInvGlobalScale);
    502         }
    503 
    504         if (mIsWallpaper && (fw != frame.width() || fh != frame.height())) {
    505             mService.updateWallpaperOffsetLocked(this,
    506                     mService.mAppDisplayWidth, mService.mAppDisplayHeight, false);
    507         }
    508 
    509         if (WindowManagerService.localLOGV) {
    510             //if ("com.google.android.youtube".equals(mAttrs.packageName)
    511             //        && mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_PANEL) {
    512                 Slog.v(WindowManagerService.TAG, "Resolving (mRequestedWidth="
    513                         + mRequestedWidth + ", mRequestedheight="
    514                         + mRequestedHeight + ") to" + " (pw=" + pw + ", ph=" + ph
    515                         + "): frame=" + mFrame.toShortString()
    516                         + " ci=" + contentInsets.toShortString()
    517                         + " vi=" + visibleInsets.toShortString());
    518             //}
    519         }
    520     }
    521 
    522     public Rect getFrameLw() {
    523         return mFrame;
    524     }
    525 
    526     public RectF getShownFrameLw() {
    527         return mShownFrame;
    528     }
    529 
    530     public Rect getDisplayFrameLw() {
    531         return mDisplayFrame;
    532     }
    533 
    534     public Rect getContentFrameLw() {
    535         return mContentFrame;
    536     }
    537 
    538     public Rect getVisibleFrameLw() {
    539         return mVisibleFrame;
    540     }
    541 
    542     public boolean getGivenInsetsPendingLw() {
    543         return mGivenInsetsPending;
    544     }
    545 
    546     public Rect getGivenContentInsetsLw() {
    547         return mGivenContentInsets;
    548     }
    549 
    550     public Rect getGivenVisibleInsetsLw() {
    551         return mGivenVisibleInsets;
    552     }
    553 
    554     public WindowManager.LayoutParams getAttrs() {
    555         return mAttrs;
    556     }
    557 
    558     public int getSystemUiVisibility() {
    559         return mSystemUiVisibility;
    560     }
    561 
    562     public int getSurfaceLayer() {
    563         return mLayer;
    564     }
    565 
    566     public IApplicationToken getAppToken() {
    567         return mAppToken != null ? mAppToken.appToken : null;
    568     }
    569 
    570     public long getInputDispatchingTimeoutNanos() {
    571         return mAppToken != null
    572                 ? mAppToken.inputDispatchingTimeoutNanos
    573                 : WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
    574     }
    575 
    576     public boolean hasAppShownWindows() {
    577         return mAppToken != null ? mAppToken.firstWindowDrawn : false;
    578     }
    579 
    580     public void setAnimation(Animation anim) {
    581         if (WindowManagerService.localLOGV) Slog.v(
    582             WindowManagerService.TAG, "Setting animation in " + this + ": " + anim);
    583         mAnimating = false;
    584         mLocalAnimating = false;
    585         mAnimation = anim;
    586         mAnimation.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION);
    587         mAnimation.scaleCurrentDuration(mService.mWindowAnimationScale);
    588     }
    589 
    590     public void clearAnimation() {
    591         if (mAnimation != null) {
    592             mAnimating = true;
    593             mLocalAnimating = false;
    594             mAnimation.cancel();
    595             mAnimation = null;
    596         }
    597     }
    598 
    599     Surface createSurfaceLocked() {
    600         if (mSurface == null) {
    601             mReportDestroySurface = false;
    602             mSurfacePendingDestroy = false;
    603             Slog.i(WindowManagerService.TAG, "createSurface " + this + ": DRAW NOW PENDING");
    604             mDrawPending = true;
    605             mCommitDrawPending = false;
    606             mReadyToShow = false;
    607             if (mAppToken != null) {
    608                 mAppToken.allDrawn = false;
    609             }
    610 
    611             mService.makeWindowFreezingScreenIfNeededLocked(this);
    612 
    613             int flags = 0;
    614 
    615             if ((mAttrs.flags&WindowManager.LayoutParams.FLAG_SECURE) != 0) {
    616                 flags |= Surface.SECURE;
    617             }
    618             if (DEBUG_VISIBILITY) Slog.v(
    619                 WindowManagerService.TAG, "Creating surface in session "
    620                 + mSession.mSurfaceSession + " window " + this
    621                 + " w=" + mCompatFrame.width()
    622                 + " h=" + mCompatFrame.height() + " format="
    623                 + mAttrs.format + " flags=" + flags);
    624 
    625             int w = mCompatFrame.width();
    626             int h = mCompatFrame.height();
    627             if ((mAttrs.flags & LayoutParams.FLAG_SCALED) != 0) {
    628                 // for a scaled surface, we always want the requested
    629                 // size.
    630                 w = mRequestedWidth;
    631                 h = mRequestedHeight;
    632             }
    633 
    634             // Something is wrong and SurfaceFlinger will not like this,
    635             // try to revert to sane values
    636             if (w <= 0) w = 1;
    637             if (h <= 0) h = 1;
    638 
    639             mSurfaceShown = false;
    640             mSurfaceLayer = 0;
    641             mSurfaceAlpha = 1;
    642             mSurfaceX = 0;
    643             mSurfaceY = 0;
    644             mSurfaceW = w;
    645             mSurfaceH = h;
    646             try {
    647                 final boolean isHwAccelerated = (mAttrs.flags &
    648                         WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED) != 0;
    649                 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : mAttrs.format;
    650                 if (!PixelFormat.formatHasAlpha(mAttrs.format)) {
    651                     flags |= Surface.OPAQUE;
    652                 }
    653                 mSurface = new Surface(
    654                         mSession.mSurfaceSession, mSession.mPid,
    655                         mAttrs.getTitle().toString(),
    656                         0, w, h, format, flags);
    657                 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) Slog.i(WindowManagerService.TAG,
    658                         "  CREATE SURFACE "
    659                         + mSurface + " IN SESSION "
    660                         + mSession.mSurfaceSession
    661                         + ": pid=" + mSession.mPid + " format="
    662                         + mAttrs.format + " flags=0x"
    663                         + Integer.toHexString(flags)
    664                         + " / " + this);
    665             } catch (Surface.OutOfResourcesException e) {
    666                 Slog.w(WindowManagerService.TAG, "OutOfResourcesException creating surface");
    667                 mService.reclaimSomeSurfaceMemoryLocked(this, "create", true);
    668                 return null;
    669             } catch (Exception e) {
    670                 Slog.e(WindowManagerService.TAG, "Exception creating surface", e);
    671                 return null;
    672             }
    673 
    674             if (WindowManagerService.localLOGV) Slog.v(
    675                 WindowManagerService.TAG, "Got surface: " + mSurface
    676                 + ", set left=" + mFrame.left + " top=" + mFrame.top
    677                 + ", animLayer=" + mAnimLayer);
    678             if (SHOW_LIGHT_TRANSACTIONS) {
    679                 Slog.i(WindowManagerService.TAG, ">>> OPEN TRANSACTION createSurfaceLocked");
    680                 WindowManagerService.logSurface(this, "CREATE pos=(" + mFrame.left
    681                         + "," + mFrame.top + ") (" +
    682                         mCompatFrame.width() + "x" + mCompatFrame.height() + "), layer=" +
    683                         mAnimLayer + " HIDE", null);
    684             }
    685             Surface.openTransaction();
    686             try {
    687                 try {
    688                     mSurfaceX = mFrame.left + mXOffset;
    689                     mSurfaceY = mFrame.top + mYOffset;
    690                     mSurface.setPosition(mSurfaceX, mSurfaceY);
    691                     mSurfaceLayer = mAnimLayer;
    692                     mSurface.setLayer(mAnimLayer);
    693                     mSurfaceShown = false;
    694                     mSurface.hide();
    695                     if ((mAttrs.flags&WindowManager.LayoutParams.FLAG_DITHER) != 0) {
    696                         if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(this, "DITHER", null);
    697                         mSurface.setFlags(Surface.SURFACE_DITHER,
    698                                 Surface.SURFACE_DITHER);
    699                     }
    700                 } catch (RuntimeException e) {
    701                     Slog.w(WindowManagerService.TAG, "Error creating surface in " + w, e);
    702                     mService.reclaimSomeSurfaceMemoryLocked(this, "create-init", true);
    703                 }
    704                 mLastHidden = true;
    705             } finally {
    706                 Surface.closeTransaction();
    707                 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(WindowManagerService.TAG,
    708                         "<<< CLOSE TRANSACTION createSurfaceLocked");
    709             }
    710             if (WindowManagerService.localLOGV) Slog.v(
    711                     WindowManagerService.TAG, "Created surface " + this);
    712         }
    713         return mSurface;
    714     }
    715 
    716     void destroySurfaceLocked() {
    717         if (mAppToken != null && this == mAppToken.startingWindow) {
    718             mAppToken.startingDisplayed = false;
    719         }
    720 
    721         if (mSurface != null) {
    722             mDrawPending = false;
    723             mCommitDrawPending = false;
    724             mReadyToShow = false;
    725 
    726             int i = mChildWindows.size();
    727             while (i > 0) {
    728                 i--;
    729                 WindowState c = mChildWindows.get(i);
    730                 c.mAttachedHidden = true;
    731             }
    732 
    733             if (mReportDestroySurface) {
    734                 mReportDestroySurface = false;
    735                 mSurfacePendingDestroy = true;
    736                 try {
    737                     mClient.dispatchGetNewSurface();
    738                     // We'll really destroy on the next time around.
    739                     return;
    740                 } catch (RemoteException e) {
    741                 }
    742             }
    743 
    744             try {
    745                 if (DEBUG_VISIBILITY) {
    746                     RuntimeException e = null;
    747                     if (!WindowManagerService.HIDE_STACK_CRAWLS) {
    748                         e = new RuntimeException();
    749                         e.fillInStackTrace();
    750                     }
    751                     Slog.w(WindowManagerService.TAG, "Window " + this + " destroying surface "
    752                             + mSurface + ", session " + mSession, e);
    753                 }
    754                 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
    755                     RuntimeException e = null;
    756                     if (!WindowManagerService.HIDE_STACK_CRAWLS) {
    757                         e = new RuntimeException();
    758                         e.fillInStackTrace();
    759                     }
    760                     WindowManagerService.logSurface(this, "DESTROY", e);
    761                 }
    762                 mSurface.destroy();
    763             } catch (RuntimeException e) {
    764                 Slog.w(WindowManagerService.TAG, "Exception thrown when destroying Window " + this
    765                     + " surface " + mSurface + " session " + mSession
    766                     + ": " + e.toString());
    767             }
    768 
    769             mSurfaceShown = false;
    770             mSurface = null;
    771         }
    772     }
    773 
    774     boolean finishDrawingLocked() {
    775         if (mDrawPending) {
    776             if (SHOW_TRANSACTIONS || WindowManagerService.DEBUG_ORIENTATION) Slog.v(
    777                 WindowManagerService.TAG, "finishDrawingLocked: " + this + " in " + mSurface);
    778             mCommitDrawPending = true;
    779             mDrawPending = false;
    780             return true;
    781         }
    782         return false;
    783     }
    784 
    785     // This must be called while inside a transaction.
    786     boolean commitFinishDrawingLocked(long currentTime) {
    787         //Slog.i(TAG, "commitFinishDrawingLocked: " + mSurface);
    788         if (!mCommitDrawPending) {
    789             return false;
    790         }
    791         mCommitDrawPending = false;
    792         mReadyToShow = true;
    793         final boolean starting = mAttrs.type == TYPE_APPLICATION_STARTING;
    794         final AppWindowToken atoken = mAppToken;
    795         if (atoken == null || atoken.allDrawn || starting) {
    796             performShowLocked();
    797         }
    798         return true;
    799     }
    800 
    801     // This must be called while inside a transaction.
    802     boolean performShowLocked() {
    803         if (DEBUG_VISIBILITY) {
    804             RuntimeException e = null;
    805             if (!WindowManagerService.HIDE_STACK_CRAWLS) {
    806                 e = new RuntimeException();
    807                 e.fillInStackTrace();
    808             }
    809             Slog.v(WindowManagerService.TAG, "performShow on " + this
    810                     + ": readyToShow=" + mReadyToShow + " readyForDisplay=" + isReadyForDisplay()
    811                     + " starting=" + (mAttrs.type == TYPE_APPLICATION_STARTING), e);
    812         }
    813         if (mReadyToShow && isReadyForDisplay()) {
    814             if (SHOW_TRANSACTIONS || WindowManagerService.DEBUG_ORIENTATION) WindowManagerService.logSurface(this,
    815                     "SHOW (performShowLocked)", null);
    816             if (DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "Showing " + this
    817                     + " during animation: policyVis=" + mPolicyVisibility
    818                     + " attHidden=" + mAttachedHidden
    819                     + " tok.hiddenRequested="
    820                     + (mAppToken != null ? mAppToken.hiddenRequested : false)
    821                     + " tok.hidden="
    822                     + (mAppToken != null ? mAppToken.hidden : false)
    823                     + " animating=" + mAnimating
    824                     + " tok animating="
    825                     + (mAppToken != null ? mAppToken.animating : false));
    826             if (!mService.showSurfaceRobustlyLocked(this)) {
    827                 return false;
    828             }
    829             mLastAlpha = -1;
    830             mHasDrawn = true;
    831             mLastHidden = false;
    832             mReadyToShow = false;
    833             mService.enableScreenIfNeededLocked();
    834 
    835             mService.applyEnterAnimationLocked(this);
    836 
    837             int i = mChildWindows.size();
    838             while (i > 0) {
    839                 i--;
    840                 WindowState c = mChildWindows.get(i);
    841                 if (c.mAttachedHidden) {
    842                     c.mAttachedHidden = false;
    843                     if (c.mSurface != null) {
    844                         c.performShowLocked();
    845                         // It hadn't been shown, which means layout not
    846                         // performed on it, so now we want to make sure to
    847                         // do a layout.  If called from within the transaction
    848                         // loop, this will cause it to restart with a new
    849                         // layout.
    850                         mService.mLayoutNeeded = true;
    851                     }
    852                 }
    853             }
    854 
    855             if (mAttrs.type != TYPE_APPLICATION_STARTING
    856                     && mAppToken != null) {
    857                 mAppToken.firstWindowDrawn = true;
    858 
    859                 if (mAppToken.startingData != null) {
    860                     if (WindowManagerService.DEBUG_STARTING_WINDOW || WindowManagerService.DEBUG_ANIM) Slog.v(WindowManagerService.TAG,
    861                             "Finish starting " + mToken
    862                             + ": first real window is shown, no animation");
    863                     // If this initial window is animating, stop it -- we
    864                     // will do an animation to reveal it from behind the
    865                     // starting window, so there is no need for it to also
    866                     // be doing its own stuff.
    867                     if (mAnimation != null) {
    868                         mAnimation.cancel();
    869                         mAnimation = null;
    870                         // Make sure we clean up the animation.
    871                         mAnimating = true;
    872                     }
    873                     mService.mFinishedStarting.add(mAppToken);
    874                     mService.mH.sendEmptyMessage(H.FINISHED_STARTING);
    875                 }
    876                 mAppToken.updateReportedVisibilityLocked();
    877             }
    878         }
    879         return true;
    880     }
    881 
    882     // This must be called while inside a transaction.  Returns true if
    883     // there is more animation to run.
    884     boolean stepAnimationLocked(long currentTime, int dw, int dh) {
    885         if (!mService.mDisplayFrozen && mService.mPolicy.isScreenOnFully()) {
    886             // We will run animations as long as the display isn't frozen.
    887 
    888             if (!mDrawPending && !mCommitDrawPending && mAnimation != null) {
    889                 mHasTransformation = true;
    890                 mHasLocalTransformation = true;
    891                 if (!mLocalAnimating) {
    892                     if (WindowManagerService.DEBUG_ANIM) Slog.v(
    893                         WindowManagerService.TAG, "Starting animation in " + this +
    894                         " @ " + currentTime + ": ww=" + mFrame.width() +
    895                         " wh=" + mFrame.height() +
    896                         " dw=" + dw + " dh=" + dh + " scale=" + mService.mWindowAnimationScale);
    897                     mAnimation.initialize(mFrame.width(), mFrame.height(), dw, dh);
    898                     mAnimation.setStartTime(currentTime);
    899                     mLocalAnimating = true;
    900                     mAnimating = true;
    901                 }
    902                 mTransformation.clear();
    903                 final boolean more = mAnimation.getTransformation(
    904                     currentTime, mTransformation);
    905                 if (WindowManagerService.DEBUG_ANIM) Slog.v(
    906                     WindowManagerService.TAG, "Stepped animation in " + this +
    907                     ": more=" + more + ", xform=" + mTransformation);
    908                 if (more) {
    909                     // we're not done!
    910                     return true;
    911                 }
    912                 if (WindowManagerService.DEBUG_ANIM) Slog.v(
    913                     WindowManagerService.TAG, "Finished animation in " + this +
    914                     " @ " + currentTime);
    915 
    916                 if (mAnimation != null) {
    917                     mAnimation.cancel();
    918                     mAnimation = null;
    919                 }
    920                 //WindowManagerService.this.dump();
    921             }
    922             mHasLocalTransformation = false;
    923             if ((!mLocalAnimating || mAnimationIsEntrance) && mAppToken != null
    924                     && mAppToken.animation != null) {
    925                 // When our app token is animating, we kind-of pretend like
    926                 // we are as well.  Note the mLocalAnimating mAnimationIsEntrance
    927                 // part of this check means that we will only do this if
    928                 // our window is not currently exiting, or it is not
    929                 // locally animating itself.  The idea being that one that
    930                 // is exiting and doing a local animation should be removed
    931                 // once that animation is done.
    932                 mAnimating = true;
    933                 mHasTransformation = true;
    934                 mTransformation.clear();
    935                 return false;
    936             } else if (mHasTransformation) {
    937                 // Little trick to get through the path below to act like
    938                 // we have finished an animation.
    939                 mAnimating = true;
    940             } else if (isAnimating()) {
    941                 mAnimating = true;
    942             }
    943         } else if (mAnimation != null) {
    944             // If the display is frozen, and there is a pending animation,
    945             // clear it and make sure we run the cleanup code.
    946             mAnimating = true;
    947             mLocalAnimating = true;
    948             mAnimation.cancel();
    949             mAnimation = null;
    950         }
    951 
    952         if (!mAnimating && !mLocalAnimating) {
    953             return false;
    954         }
    955 
    956         if (WindowManagerService.DEBUG_ANIM) Slog.v(
    957             WindowManagerService.TAG, "Animation done in " + this + ": exiting=" + mExiting
    958             + ", reportedVisible="
    959             + (mAppToken != null ? mAppToken.reportedVisible : false));
    960 
    961         mAnimating = false;
    962         mLocalAnimating = false;
    963         if (mAnimation != null) {
    964             mAnimation.cancel();
    965             mAnimation = null;
    966         }
    967         mAnimLayer = mLayer;
    968         if (mIsImWindow) {
    969             mAnimLayer += mService.mInputMethodAnimLayerAdjustment;
    970         } else if (mIsWallpaper) {
    971             mAnimLayer += mService.mWallpaperAnimLayerAdjustment;
    972         }
    973         if (WindowManagerService.DEBUG_LAYERS) Slog.v(WindowManagerService.TAG, "Stepping win " + this
    974                 + " anim layer: " + mAnimLayer);
    975         mHasTransformation = false;
    976         mHasLocalTransformation = false;
    977         if (mPolicyVisibility != mPolicyVisibilityAfterAnim) {
    978             if (DEBUG_VISIBILITY) {
    979                 Slog.v(WindowManagerService.TAG, "Policy visibility changing after anim in " + this + ": "
    980                         + mPolicyVisibilityAfterAnim);
    981             }
    982             mPolicyVisibility = mPolicyVisibilityAfterAnim;
    983             mService.mLayoutNeeded = true;
    984             if (!mPolicyVisibility) {
    985                 if (mService.mCurrentFocus == this) {
    986                     mService.mFocusMayChange = true;
    987                 }
    988                 // Window is no longer visible -- make sure if we were waiting
    989                 // for it to be displayed before enabling the display, that
    990                 // we allow the display to be enabled now.
    991                 mService.enableScreenIfNeededLocked();
    992             }
    993         }
    994         mTransformation.clear();
    995         if (mHasDrawn
    996                 && mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING
    997                 && mAppToken != null
    998                 && mAppToken.firstWindowDrawn
    999                 && mAppToken.startingData != null) {
   1000             if (WindowManagerService.DEBUG_STARTING_WINDOW) Slog.v(WindowManagerService.TAG, "Finish starting "
   1001                     + mToken + ": first real window done animating");
   1002             mService.mFinishedStarting.add(mAppToken);
   1003             mService.mH.sendEmptyMessage(H.FINISHED_STARTING);
   1004         }
   1005 
   1006         finishExit();
   1007 
   1008         if (mAppToken != null) {
   1009             mAppToken.updateReportedVisibilityLocked();
   1010         }
   1011 
   1012         return false;
   1013     }
   1014 
   1015     void finishExit() {
   1016         if (WindowManagerService.DEBUG_ANIM) Slog.v(
   1017                 WindowManagerService.TAG, "finishExit in " + this
   1018                 + ": exiting=" + mExiting
   1019                 + " remove=" + mRemoveOnExit
   1020                 + " windowAnimating=" + isWindowAnimating());
   1021 
   1022         final int N = mChildWindows.size();
   1023         for (int i=0; i<N; i++) {
   1024             mChildWindows.get(i).finishExit();
   1025         }
   1026 
   1027         if (!mExiting) {
   1028             return;
   1029         }
   1030 
   1031         if (isWindowAnimating()) {
   1032             return;
   1033         }
   1034 
   1035         if (WindowManagerService.localLOGV) Slog.v(
   1036                 WindowManagerService.TAG, "Exit animation finished in " + this
   1037                 + ": remove=" + mRemoveOnExit);
   1038         if (mSurface != null) {
   1039             mService.mDestroySurface.add(this);
   1040             mDestroying = true;
   1041             if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(this, "HIDE (finishExit)", null);
   1042             mSurfaceShown = false;
   1043             try {
   1044                 mSurface.hide();
   1045             } catch (RuntimeException e) {
   1046                 Slog.w(WindowManagerService.TAG, "Error hiding surface in " + this, e);
   1047             }
   1048             mLastHidden = true;
   1049         }
   1050         mExiting = false;
   1051         if (mRemoveOnExit) {
   1052             mService.mPendingRemove.add(this);
   1053             mRemoveOnExit = false;
   1054         }
   1055     }
   1056 
   1057     boolean isIdentityMatrix(float dsdx, float dtdx, float dsdy, float dtdy) {
   1058         if (dsdx < .99999f || dsdx > 1.00001f) return false;
   1059         if (dtdy < .99999f || dtdy > 1.00001f) return false;
   1060         if (dtdx < -.000001f || dtdx > .000001f) return false;
   1061         if (dsdy < -.000001f || dsdy > .000001f) return false;
   1062         return true;
   1063     }
   1064 
   1065     void prelayout() {
   1066         if (mEnforceSizeCompat) {
   1067             mGlobalScale = mService.mCompatibleScreenScale;
   1068             mInvGlobalScale = 1/mGlobalScale;
   1069         } else {
   1070             mGlobalScale = mInvGlobalScale = 1;
   1071         }
   1072     }
   1073 
   1074     void computeShownFrameLocked() {
   1075         final boolean selfTransformation = mHasLocalTransformation;
   1076         Transformation attachedTransformation =
   1077                 (mAttachedWindow != null && mAttachedWindow.mHasLocalTransformation)
   1078                 ? mAttachedWindow.mTransformation : null;
   1079         Transformation appTransformation =
   1080                 (mAppToken != null && mAppToken.hasTransformation)
   1081                 ? mAppToken.transformation : null;
   1082 
   1083         // Wallpapers are animated based on the "real" window they
   1084         // are currently targeting.
   1085         if (mAttrs.type == TYPE_WALLPAPER && mService.mLowerWallpaperTarget == null
   1086                 && mService.mWallpaperTarget != null) {
   1087             if (mService.mWallpaperTarget.mHasLocalTransformation &&
   1088                     mService.mWallpaperTarget.mAnimation != null &&
   1089                     !mService.mWallpaperTarget.mAnimation.getDetachWallpaper()) {
   1090                 attachedTransformation = mService.mWallpaperTarget.mTransformation;
   1091                 if (WindowManagerService.DEBUG_WALLPAPER && attachedTransformation != null) {
   1092                     Slog.v(WindowManagerService.TAG, "WP target attached xform: " + attachedTransformation);
   1093                 }
   1094             }
   1095             if (mService.mWallpaperTarget.mAppToken != null &&
   1096                     mService.mWallpaperTarget.mAppToken.hasTransformation &&
   1097                     mService.mWallpaperTarget.mAppToken.animation != null &&
   1098                     !mService.mWallpaperTarget.mAppToken.animation.getDetachWallpaper()) {
   1099                 appTransformation = mService.mWallpaperTarget.mAppToken.transformation;
   1100                 if (WindowManagerService.DEBUG_WALLPAPER && appTransformation != null) {
   1101                     Slog.v(WindowManagerService.TAG, "WP target app xform: " + appTransformation);
   1102                 }
   1103             }
   1104         }
   1105 
   1106         final boolean screenAnimation = mService.mScreenRotationAnimation != null
   1107                 && mService.mScreenRotationAnimation.isAnimating();
   1108         if (selfTransformation || attachedTransformation != null
   1109                 || appTransformation != null || screenAnimation) {
   1110             // cache often used attributes locally
   1111             final Rect frame = mFrame;
   1112             final float tmpFloats[] = mService.mTmpFloats;
   1113             final Matrix tmpMatrix = mTmpMatrix;
   1114 
   1115             // Compute the desired transformation.
   1116             if (screenAnimation) {
   1117                 // If we are doing a screen animation, the global rotation
   1118                 // applied to windows can result in windows that are carefully
   1119                 // aligned with each other to slightly separate, allowing you
   1120                 // to see what is behind them.  An unsightly mess.  This...
   1121                 // thing...  magically makes it call good: scale each window
   1122                 // slightly (two pixels larger in each dimension, from the
   1123                 // window's center).
   1124                 final float w = frame.width();
   1125                 final float h = frame.height();
   1126                 if (w>=1 && h>=1) {
   1127                     tmpMatrix.setScale(1 + 2/w, 1 + 2/h, w/2, h/2);
   1128                 } else {
   1129                     tmpMatrix.reset();
   1130                 }
   1131             } else {
   1132                 tmpMatrix.reset();
   1133             }
   1134             tmpMatrix.postScale(mGlobalScale, mGlobalScale);
   1135             if (selfTransformation) {
   1136                 tmpMatrix.postConcat(mTransformation.getMatrix());
   1137             }
   1138             tmpMatrix.postTranslate(frame.left + mXOffset, frame.top + mYOffset);
   1139             if (attachedTransformation != null) {
   1140                 tmpMatrix.postConcat(attachedTransformation.getMatrix());
   1141             }
   1142             if (appTransformation != null) {
   1143                 tmpMatrix.postConcat(appTransformation.getMatrix());
   1144             }
   1145             if (screenAnimation) {
   1146                 tmpMatrix.postConcat(
   1147                         mService.mScreenRotationAnimation.getEnterTransformation().getMatrix());
   1148             }
   1149 
   1150             // "convert" it into SurfaceFlinger's format
   1151             // (a 2x2 matrix + an offset)
   1152             // Here we must not transform the position of the surface
   1153             // since it is already included in the transformation.
   1154             //Slog.i(TAG, "Transform: " + matrix);
   1155 
   1156             mHaveMatrix = true;
   1157             tmpMatrix.getValues(tmpFloats);
   1158             mDsDx = tmpFloats[Matrix.MSCALE_X];
   1159             mDtDx = tmpFloats[Matrix.MSKEW_Y];
   1160             mDsDy = tmpFloats[Matrix.MSKEW_X];
   1161             mDtDy = tmpFloats[Matrix.MSCALE_Y];
   1162             float x = tmpFloats[Matrix.MTRANS_X];
   1163             float y = tmpFloats[Matrix.MTRANS_Y];
   1164             int w = frame.width();
   1165             int h = frame.height();
   1166             mShownFrame.set(x, y, x+w, y+h);
   1167 
   1168             // Now set the alpha...  but because our current hardware
   1169             // can't do alpha transformation on a non-opaque surface,
   1170             // turn it off if we are running an animation that is also
   1171             // transforming since it is more important to have that
   1172             // animation be smooth.
   1173             mShownAlpha = mAlpha;
   1174             if (!mService.mLimitedAlphaCompositing
   1175                     || (!PixelFormat.formatHasAlpha(mAttrs.format)
   1176                     || (isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy)
   1177                             && x == frame.left && y == frame.top))) {
   1178                 //Slog.i(TAG, "Applying alpha transform");
   1179                 if (selfTransformation) {
   1180                     mShownAlpha *= mTransformation.getAlpha();
   1181                 }
   1182                 if (attachedTransformation != null) {
   1183                     mShownAlpha *= attachedTransformation.getAlpha();
   1184                 }
   1185                 if (appTransformation != null) {
   1186                     mShownAlpha *= appTransformation.getAlpha();
   1187                 }
   1188                 if (screenAnimation) {
   1189                     mShownAlpha *=
   1190                         mService.mScreenRotationAnimation.getEnterTransformation().getAlpha();
   1191                 }
   1192             } else {
   1193                 //Slog.i(TAG, "Not applying alpha transform");
   1194             }
   1195 
   1196             if (WindowManagerService.localLOGV) Slog.v(
   1197                 WindowManagerService.TAG, "Continuing animation in " + this +
   1198                 ": " + mShownFrame +
   1199                 ", alpha=" + mTransformation.getAlpha());
   1200             return;
   1201         }
   1202 
   1203         mShownFrame.set(mFrame);
   1204         if (mXOffset != 0 || mYOffset != 0) {
   1205             mShownFrame.offset(mXOffset, mYOffset);
   1206         }
   1207         mShownAlpha = mAlpha;
   1208         mHaveMatrix = false;
   1209         mDsDx = mGlobalScale;
   1210         mDtDx = 0;
   1211         mDsDy = 0;
   1212         mDtDy = mGlobalScale;
   1213     }
   1214 
   1215     /**
   1216      * Is this window visible?  It is not visible if there is no
   1217      * surface, or we are in the process of running an exit animation
   1218      * that will remove the surface, or its app token has been hidden.
   1219      */
   1220     public boolean isVisibleLw() {
   1221         final AppWindowToken atoken = mAppToken;
   1222         return mSurface != null && mPolicyVisibility && !mAttachedHidden
   1223                 && (atoken == null || !atoken.hiddenRequested)
   1224                 && !mExiting && !mDestroying;
   1225     }
   1226 
   1227     /**
   1228      * Like {@link #isVisibleLw}, but also counts a window that is currently
   1229      * "hidden" behind the keyguard as visible.  This allows us to apply
   1230      * things like window flags that impact the keyguard.
   1231      * XXX I am starting to think we need to have ANOTHER visibility flag
   1232      * for this "hidden behind keyguard" state rather than overloading
   1233      * mPolicyVisibility.  Ungh.
   1234      */
   1235     public boolean isVisibleOrBehindKeyguardLw() {
   1236         if (mRootToken.waitingToShow &&
   1237                 mService.mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
   1238             return false;
   1239         }
   1240         final AppWindowToken atoken = mAppToken;
   1241         final boolean animating = atoken != null
   1242                 ? (atoken.animation != null) : false;
   1243         return mSurface != null && !mDestroying && !mExiting
   1244                 && (atoken == null ? mPolicyVisibility : !atoken.hiddenRequested)
   1245                 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE
   1246                                 && !mRootToken.hidden)
   1247                         || mAnimation != null || animating);
   1248     }
   1249 
   1250     /**
   1251      * Is this window visible, ignoring its app token?  It is not visible
   1252      * if there is no surface, or we are in the process of running an exit animation
   1253      * that will remove the surface.
   1254      */
   1255     public boolean isWinVisibleLw() {
   1256         final AppWindowToken atoken = mAppToken;
   1257         return mSurface != null && mPolicyVisibility && !mAttachedHidden
   1258                 && (atoken == null || !atoken.hiddenRequested || atoken.animating)
   1259                 && !mExiting && !mDestroying;
   1260     }
   1261 
   1262     /**
   1263      * The same as isVisible(), but follows the current hidden state of
   1264      * the associated app token, not the pending requested hidden state.
   1265      */
   1266     boolean isVisibleNow() {
   1267         return mSurface != null && mPolicyVisibility && !mAttachedHidden
   1268                 && !mRootToken.hidden && !mExiting && !mDestroying;
   1269     }
   1270 
   1271     /**
   1272      * Can this window possibly be a drag/drop target?  The test here is
   1273      * a combination of the above "visible now" with the check that the
   1274      * Input Manager uses when discarding windows from input consideration.
   1275      */
   1276     boolean isPotentialDragTarget() {
   1277         return isVisibleNow() && !mRemoved
   1278                 && mInputChannel != null && mInputWindowHandle != null;
   1279     }
   1280 
   1281     /**
   1282      * Same as isVisible(), but we also count it as visible between the
   1283      * call to IWindowSession.add() and the first relayout().
   1284      */
   1285     boolean isVisibleOrAdding() {
   1286         final AppWindowToken atoken = mAppToken;
   1287         return ((mSurface != null && !mReportDestroySurface)
   1288                         || (!mRelayoutCalled && mViewVisibility == View.VISIBLE))
   1289                 && mPolicyVisibility && !mAttachedHidden
   1290                 && (atoken == null || !atoken.hiddenRequested)
   1291                 && !mExiting && !mDestroying;
   1292     }
   1293 
   1294     /**
   1295      * Is this window currently on-screen?  It is on-screen either if it
   1296      * is visible or it is currently running an animation before no longer
   1297      * being visible.
   1298      */
   1299     boolean isOnScreen() {
   1300         final AppWindowToken atoken = mAppToken;
   1301         if (atoken != null) {
   1302             return mSurface != null && mPolicyVisibility && !mDestroying
   1303                     && ((!mAttachedHidden && !atoken.hiddenRequested)
   1304                             || mAnimation != null || atoken.animation != null);
   1305         } else {
   1306             return mSurface != null && mPolicyVisibility && !mDestroying
   1307                     && (!mAttachedHidden || mAnimation != null);
   1308         }
   1309     }
   1310 
   1311     /**
   1312      * Like isOnScreen(), but we don't return true if the window is part
   1313      * of a transition that has not yet been started.
   1314      */
   1315     boolean isReadyForDisplay() {
   1316         if (mRootToken.waitingToShow &&
   1317                 mService.mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
   1318             return false;
   1319         }
   1320         final AppWindowToken atoken = mAppToken;
   1321         final boolean animating = atoken != null
   1322                 ? (atoken.animation != null) : false;
   1323         return mSurface != null && mPolicyVisibility && !mDestroying
   1324                 && ((!mAttachedHidden && mViewVisibility == View.VISIBLE
   1325                                 && !mRootToken.hidden)
   1326                         || mAnimation != null || animating);
   1327     }
   1328 
   1329     /** Is the window or its container currently animating? */
   1330     boolean isAnimating() {
   1331         final WindowState attached = mAttachedWindow;
   1332         final AppWindowToken atoken = mAppToken;
   1333         return mAnimation != null
   1334                 || (attached != null && attached.mAnimation != null)
   1335                 || (atoken != null &&
   1336                         (atoken.animation != null
   1337                                 || atoken.inPendingTransaction));
   1338     }
   1339 
   1340     /** Is this window currently animating? */
   1341     boolean isWindowAnimating() {
   1342         return mAnimation != null;
   1343     }
   1344 
   1345     /**
   1346      * Like isOnScreen, but returns false if the surface hasn't yet
   1347      * been drawn.
   1348      */
   1349     public boolean isDisplayedLw() {
   1350         final AppWindowToken atoken = mAppToken;
   1351         return mSurface != null && mPolicyVisibility && !mDestroying
   1352             && !mDrawPending && !mCommitDrawPending
   1353             && ((!mAttachedHidden &&
   1354                     (atoken == null || !atoken.hiddenRequested))
   1355                     || mAnimating);
   1356     }
   1357 
   1358     /**
   1359      * Returns true if the window has a surface that it has drawn a
   1360      * complete UI in to.
   1361      */
   1362     public boolean isDrawnLw() {
   1363         final AppWindowToken atoken = mAppToken;
   1364         return mSurface != null && !mDestroying
   1365             && !mDrawPending && !mCommitDrawPending;
   1366     }
   1367 
   1368     /**
   1369      * Return true if the window is opaque and fully drawn.  This indicates
   1370      * it may obscure windows behind it.
   1371      */
   1372     boolean isOpaqueDrawn() {
   1373         return (mAttrs.format == PixelFormat.OPAQUE
   1374                         || mAttrs.type == TYPE_WALLPAPER)
   1375                 && mSurface != null && mAnimation == null
   1376                 && (mAppToken == null || mAppToken.animation == null)
   1377                 && !mDrawPending && !mCommitDrawPending;
   1378     }
   1379 
   1380     /**
   1381      * Return whether this window is wanting to have a translation
   1382      * animation applied to it for an in-progress move.  (Only makes
   1383      * sense to call from performLayoutAndPlaceSurfacesLockedInner().)
   1384      */
   1385     boolean shouldAnimateMove() {
   1386         return mContentChanged && !mExiting && !mLastHidden && !mService.mDisplayFrozen
   1387                 && (mFrame.top != mLastFrame.top
   1388                         || mFrame.left != mLastFrame.left)
   1389                 && (mAttachedWindow == null || !mAttachedWindow.shouldAnimateMove())
   1390                 && mService.mPolicy.isScreenOnFully();
   1391     }
   1392 
   1393     boolean isFullscreen(int screenWidth, int screenHeight) {
   1394         return mFrame.left <= 0 && mFrame.top <= 0 &&
   1395                 mFrame.right >= screenWidth && mFrame.bottom >= screenHeight;
   1396     }
   1397 
   1398     void removeLocked() {
   1399         disposeInputChannel();
   1400 
   1401         if (mAttachedWindow != null) {
   1402             if (WindowManagerService.DEBUG_ADD_REMOVE) Slog.v(WindowManagerService.TAG, "Removing " + this + " from " + mAttachedWindow);
   1403             mAttachedWindow.mChildWindows.remove(this);
   1404         }
   1405         destroySurfaceLocked();
   1406         mSession.windowRemovedLocked();
   1407         try {
   1408             mClient.asBinder().unlinkToDeath(mDeathRecipient, 0);
   1409         } catch (RuntimeException e) {
   1410             // Ignore if it has already been removed (usually because
   1411             // we are doing this as part of processing a death note.)
   1412         }
   1413     }
   1414 
   1415     void setInputChannel(InputChannel inputChannel) {
   1416         if (mInputChannel != null) {
   1417             throw new IllegalStateException("Window already has an input channel.");
   1418         }
   1419 
   1420         mInputChannel = inputChannel;
   1421         mInputWindowHandle.inputChannel = inputChannel;
   1422     }
   1423 
   1424     void disposeInputChannel() {
   1425         if (mInputChannel != null) {
   1426             mService.mInputManager.unregisterInputChannel(mInputChannel);
   1427 
   1428             mInputChannel.dispose();
   1429             mInputChannel = null;
   1430         }
   1431 
   1432         mInputWindowHandle.inputChannel = null;
   1433     }
   1434 
   1435     private class DeathRecipient implements IBinder.DeathRecipient {
   1436         public void binderDied() {
   1437             try {
   1438                 synchronized(mService.mWindowMap) {
   1439                     WindowState win = mService.windowForClientLocked(mSession, mClient, false);
   1440                     Slog.i(WindowManagerService.TAG, "WIN DEATH: " + win);
   1441                     if (win != null) {
   1442                         mService.removeWindowLocked(mSession, win);
   1443                     }
   1444                 }
   1445             } catch (IllegalArgumentException ex) {
   1446                 // This will happen if the window has already been
   1447                 // removed.
   1448             }
   1449         }
   1450     }
   1451 
   1452     /** Returns true if this window desires key events. */
   1453     public final boolean canReceiveKeys() {
   1454         return     isVisibleOrAdding()
   1455                 && (mViewVisibility == View.VISIBLE)
   1456                 && ((mAttrs.flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) == 0);
   1457     }
   1458 
   1459     public boolean hasDrawnLw() {
   1460         return mHasDrawn;
   1461     }
   1462 
   1463     public boolean showLw(boolean doAnimation) {
   1464         return showLw(doAnimation, true);
   1465     }
   1466 
   1467     boolean showLw(boolean doAnimation, boolean requestAnim) {
   1468         if (mPolicyVisibility && mPolicyVisibilityAfterAnim) {
   1469             return false;
   1470         }
   1471         if (DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "Policy visibility true: " + this);
   1472         if (doAnimation) {
   1473             if (DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "doAnimation: mPolicyVisibility="
   1474                     + mPolicyVisibility + " mAnimation=" + mAnimation);
   1475             if (mService.mDisplayFrozen || !mService.mPolicy.isScreenOnFully()) {
   1476                 doAnimation = false;
   1477             } else if (mPolicyVisibility && mAnimation == null) {
   1478                 // Check for the case where we are currently visible and
   1479                 // not animating; we do not want to do animation at such a
   1480                 // point to become visible when we already are.
   1481                 doAnimation = false;
   1482             }
   1483         }
   1484         mPolicyVisibility = true;
   1485         mPolicyVisibilityAfterAnim = true;
   1486         if (doAnimation) {
   1487             mService.applyAnimationLocked(this, WindowManagerPolicy.TRANSIT_ENTER, true);
   1488         }
   1489         if (requestAnim) {
   1490             mService.requestAnimationLocked(0);
   1491         }
   1492         return true;
   1493     }
   1494 
   1495     public boolean hideLw(boolean doAnimation) {
   1496         return hideLw(doAnimation, true);
   1497     }
   1498 
   1499     boolean hideLw(boolean doAnimation, boolean requestAnim) {
   1500         if (doAnimation) {
   1501             if (mService.mDisplayFrozen || !mService.mPolicy.isScreenOnFully()) {
   1502                 doAnimation = false;
   1503             }
   1504         }
   1505         boolean current = doAnimation ? mPolicyVisibilityAfterAnim
   1506                 : mPolicyVisibility;
   1507         if (!current) {
   1508             return false;
   1509         }
   1510         if (doAnimation) {
   1511             mService.applyAnimationLocked(this, WindowManagerPolicy.TRANSIT_EXIT, false);
   1512             if (mAnimation == null) {
   1513                 doAnimation = false;
   1514             }
   1515         }
   1516         if (doAnimation) {
   1517             mPolicyVisibilityAfterAnim = false;
   1518         } else {
   1519             if (DEBUG_VISIBILITY) Slog.v(WindowManagerService.TAG, "Policy visibility false: " + this);
   1520             mPolicyVisibilityAfterAnim = false;
   1521             mPolicyVisibility = false;
   1522             // Window is no longer visible -- make sure if we were waiting
   1523             // for it to be displayed before enabling the display, that
   1524             // we allow the display to be enabled now.
   1525             mService.enableScreenIfNeededLocked();
   1526             if (mService.mCurrentFocus == this) {
   1527                 mService.mFocusMayChange = true;
   1528             }
   1529         }
   1530         if (requestAnim) {
   1531             mService.requestAnimationLocked(0);
   1532         }
   1533         return true;
   1534     }
   1535 
   1536     private static void applyInsets(Region outRegion, Rect frame, Rect inset) {
   1537         outRegion.set(
   1538                 frame.left + inset.left, frame.top + inset.top,
   1539                 frame.right - inset.right, frame.bottom - inset.bottom);
   1540     }
   1541 
   1542     public void getTouchableRegion(Region outRegion) {
   1543         final Rect frame = mFrame;
   1544         switch (mTouchableInsets) {
   1545             default:
   1546             case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_FRAME:
   1547                 outRegion.set(frame);
   1548                 break;
   1549             case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_CONTENT:
   1550                 applyInsets(outRegion, frame, mGivenContentInsets);
   1551                 break;
   1552             case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_VISIBLE:
   1553                 applyInsets(outRegion, frame, mGivenVisibleInsets);
   1554                 break;
   1555             case ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION: {
   1556                 final Region givenTouchableRegion = mGivenTouchableRegion;
   1557                 outRegion.set(givenTouchableRegion);
   1558                 outRegion.translate(frame.left, frame.top);
   1559                 break;
   1560             }
   1561         }
   1562     }
   1563 
   1564     void dump(PrintWriter pw, String prefix, boolean dumpAll) {
   1565         pw.print(prefix); pw.print("mSession="); pw.print(mSession);
   1566                 pw.print(" mClient="); pw.println(mClient.asBinder());
   1567         pw.print(prefix); pw.print("mAttrs="); pw.println(mAttrs);
   1568         pw.print(prefix); pw.print("Requested w="); pw.print(mRequestedWidth);
   1569                 pw.print(" h="); pw.print(mRequestedHeight);
   1570                 pw.print(" mLayoutSeq="); pw.println(mLayoutSeq);
   1571         if (mAttachedWindow != null || mLayoutAttached) {
   1572             pw.print(prefix); pw.print("mAttachedWindow="); pw.print(mAttachedWindow);
   1573                     pw.print(" mLayoutAttached="); pw.println(mLayoutAttached);
   1574         }
   1575         if (mIsImWindow || mIsWallpaper || mIsFloatingLayer) {
   1576             pw.print(prefix); pw.print("mIsImWindow="); pw.print(mIsImWindow);
   1577                     pw.print(" mIsWallpaper="); pw.print(mIsWallpaper);
   1578                     pw.print(" mIsFloatingLayer="); pw.print(mIsFloatingLayer);
   1579                     pw.print(" mWallpaperVisible="); pw.println(mWallpaperVisible);
   1580         }
   1581         if (dumpAll) {
   1582             pw.print(prefix); pw.print("mBaseLayer="); pw.print(mBaseLayer);
   1583                     pw.print(" mSubLayer="); pw.print(mSubLayer);
   1584                     pw.print(" mAnimLayer="); pw.print(mLayer); pw.print("+");
   1585                     pw.print((mTargetAppToken != null ? mTargetAppToken.animLayerAdjustment
   1586                           : (mAppToken != null ? mAppToken.animLayerAdjustment : 0)));
   1587                     pw.print("="); pw.print(mAnimLayer);
   1588                     pw.print(" mLastLayer="); pw.println(mLastLayer);
   1589         }
   1590         if (mSurface != null) {
   1591             if (dumpAll) {
   1592                 pw.print(prefix); pw.print("mSurface="); pw.println(mSurface);
   1593             }
   1594             pw.print(prefix); pw.print("Surface: shown="); pw.print(mSurfaceShown);
   1595                     pw.print(" layer="); pw.print(mSurfaceLayer);
   1596                     pw.print(" alpha="); pw.print(mSurfaceAlpha);
   1597                     pw.print(" rect=("); pw.print(mSurfaceX);
   1598                     pw.print(","); pw.print(mSurfaceY);
   1599                     pw.print(") "); pw.print(mSurfaceW);
   1600                     pw.print(" x "); pw.println(mSurfaceH);
   1601         }
   1602         if (dumpAll) {
   1603             pw.print(prefix); pw.print("mToken="); pw.println(mToken);
   1604             pw.print(prefix); pw.print("mRootToken="); pw.println(mRootToken);
   1605             if (mAppToken != null) {
   1606                 pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken);
   1607             }
   1608             if (mTargetAppToken != null) {
   1609                 pw.print(prefix); pw.print("mTargetAppToken="); pw.println(mTargetAppToken);
   1610             }
   1611             pw.print(prefix); pw.print("mViewVisibility=0x");
   1612             pw.print(Integer.toHexString(mViewVisibility));
   1613             pw.print(" mLastHidden="); pw.print(mLastHidden);
   1614             pw.print(" mHaveFrame="); pw.print(mHaveFrame);
   1615             pw.print(" mObscured="); pw.println(mObscured);
   1616             pw.print(prefix); pw.print("mSeq="); pw.print(mSeq);
   1617             pw.print(" mSystemUiVisibility=0x");
   1618             pw.println(Integer.toHexString(mSystemUiVisibility));
   1619         }
   1620         if (!mPolicyVisibility || !mPolicyVisibilityAfterAnim || mAttachedHidden) {
   1621             pw.print(prefix); pw.print("mPolicyVisibility=");
   1622                     pw.print(mPolicyVisibility);
   1623                     pw.print(" mPolicyVisibilityAfterAnim=");
   1624                     pw.print(mPolicyVisibilityAfterAnim);
   1625                     pw.print(" mAttachedHidden="); pw.println(mAttachedHidden);
   1626         }
   1627         if (!mRelayoutCalled) {
   1628             pw.print(prefix); pw.print("mRelayoutCalled="); pw.println(mRelayoutCalled);
   1629         }
   1630         if (mXOffset != 0 || mYOffset != 0) {
   1631             pw.print(prefix); pw.print("Offsets x="); pw.print(mXOffset);
   1632                     pw.print(" y="); pw.println(mYOffset);
   1633         }
   1634         if (dumpAll) {
   1635             pw.print(prefix); pw.print("mGivenContentInsets=");
   1636                     mGivenContentInsets.printShortString(pw);
   1637                     pw.print(" mGivenVisibleInsets=");
   1638                     mGivenVisibleInsets.printShortString(pw);
   1639                     pw.println();
   1640             if (mTouchableInsets != 0 || mGivenInsetsPending) {
   1641                 pw.print(prefix); pw.print("mTouchableInsets="); pw.print(mTouchableInsets);
   1642                         pw.print(" mGivenInsetsPending="); pw.println(mGivenInsetsPending);
   1643             }
   1644             pw.print(prefix); pw.print("mConfiguration="); pw.println(mConfiguration);
   1645         }
   1646         pw.print(prefix); pw.print("mShownFrame=");
   1647                 mShownFrame.printShortString(pw); pw.println();
   1648         if (dumpAll) {
   1649             pw.print(prefix); pw.print("mFrame="); mFrame.printShortString(pw);
   1650                     pw.print(" last="); mLastFrame.printShortString(pw);
   1651                     pw.println();
   1652         }
   1653         if (mEnforceSizeCompat) {
   1654             pw.print(prefix); pw.print("mCompatFrame="); mCompatFrame.printShortString(pw);
   1655                     pw.println();
   1656         }
   1657         if (dumpAll) {
   1658             pw.print(prefix); pw.print("mContainingFrame=");
   1659                     mContainingFrame.printShortString(pw);
   1660                     pw.print(" mParentFrame=");
   1661                     mParentFrame.printShortString(pw);
   1662                     pw.print(" mDisplayFrame=");
   1663                     mDisplayFrame.printShortString(pw);
   1664                     pw.println();
   1665             pw.print(prefix); pw.print("mContentFrame="); mContentFrame.printShortString(pw);
   1666                     pw.print(" mVisibleFrame="); mVisibleFrame.printShortString(pw);
   1667                     pw.println();
   1668             pw.print(prefix); pw.print("mContentInsets="); mContentInsets.printShortString(pw);
   1669                     pw.print(" last="); mLastContentInsets.printShortString(pw);
   1670                     pw.print(" mVisibleInsets="); mVisibleInsets.printShortString(pw);
   1671                     pw.print(" last="); mLastVisibleInsets.printShortString(pw);
   1672                     pw.println();
   1673         }
   1674         if (mAnimating || mLocalAnimating || mAnimationIsEntrance
   1675                 || mAnimation != null) {
   1676             pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating);
   1677                     pw.print(" mLocalAnimating="); pw.print(mLocalAnimating);
   1678                     pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance);
   1679                     pw.print(" mAnimation="); pw.println(mAnimation);
   1680         }
   1681         if (mHasTransformation || mHasLocalTransformation) {
   1682             pw.print(prefix); pw.print("XForm: has=");
   1683                     pw.print(mHasTransformation);
   1684                     pw.print(" hasLocal="); pw.print(mHasLocalTransformation);
   1685                     pw.print(" "); mTransformation.printShortString(pw);
   1686                     pw.println();
   1687         }
   1688         if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) {
   1689             pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha);
   1690                     pw.print(" mAlpha="); pw.print(mAlpha);
   1691                     pw.print(" mLastAlpha="); pw.println(mLastAlpha);
   1692         }
   1693         if (mHaveMatrix || mGlobalScale != 1) {
   1694             pw.print(prefix); pw.print("mGlobalScale="); pw.print(mGlobalScale);
   1695                     pw.print(" mDsDx="); pw.print(mDsDx);
   1696                     pw.print(" mDtDx="); pw.print(mDtDx);
   1697                     pw.print(" mDsDy="); pw.print(mDsDy);
   1698                     pw.print(" mDtDy="); pw.println(mDtDy);
   1699         }
   1700         if (dumpAll) {
   1701             pw.print(prefix); pw.print("mDrawPending="); pw.print(mDrawPending);
   1702                     pw.print(" mCommitDrawPending="); pw.print(mCommitDrawPending);
   1703                     pw.print(" mReadyToShow="); pw.print(mReadyToShow);
   1704                     pw.print(" mHasDrawn="); pw.println(mHasDrawn);
   1705         }
   1706         if (mExiting || mRemoveOnExit || mDestroying || mRemoved) {
   1707             pw.print(prefix); pw.print("mExiting="); pw.print(mExiting);
   1708                     pw.print(" mRemoveOnExit="); pw.print(mRemoveOnExit);
   1709                     pw.print(" mDestroying="); pw.print(mDestroying);
   1710                     pw.print(" mRemoved="); pw.println(mRemoved);
   1711         }
   1712         if (mOrientationChanging || mAppFreezing || mTurnOnScreen) {
   1713             pw.print(prefix); pw.print("mOrientationChanging=");
   1714                     pw.print(mOrientationChanging);
   1715                     pw.print(" mAppFreezing="); pw.print(mAppFreezing);
   1716                     pw.print(" mTurnOnScreen="); pw.println(mTurnOnScreen);
   1717         }
   1718         if (mHScale != 1 || mVScale != 1) {
   1719             pw.print(prefix); pw.print("mHScale="); pw.print(mHScale);
   1720                     pw.print(" mVScale="); pw.println(mVScale);
   1721         }
   1722         if (mWallpaperX != -1 || mWallpaperY != -1) {
   1723             pw.print(prefix); pw.print("mWallpaperX="); pw.print(mWallpaperX);
   1724                     pw.print(" mWallpaperY="); pw.println(mWallpaperY);
   1725         }
   1726         if (mWallpaperXStep != -1 || mWallpaperYStep != -1) {
   1727             pw.print(prefix); pw.print("mWallpaperXStep="); pw.print(mWallpaperXStep);
   1728                     pw.print(" mWallpaperYStep="); pw.println(mWallpaperYStep);
   1729         }
   1730     }
   1731 
   1732     String makeInputChannelName() {
   1733         return Integer.toHexString(System.identityHashCode(this))
   1734             + " " + mAttrs.getTitle();
   1735     }
   1736 
   1737     @Override
   1738     public String toString() {
   1739         if (mStringNameCache == null || mLastTitle != mAttrs.getTitle()
   1740                 || mWasPaused != mToken.paused) {
   1741             mLastTitle = mAttrs.getTitle();
   1742             mWasPaused = mToken.paused;
   1743             mStringNameCache = "Window{" + Integer.toHexString(System.identityHashCode(this))
   1744                     + " " + mLastTitle + " paused=" + mWasPaused + "}";
   1745         }
   1746         return mStringNameCache;
   1747     }
   1748 }