Home | History | Annotate | Download | only in wm
      1 // Copyright 2012 Google Inc. All Rights Reserved.
      2 
      3 package com.android.server.wm;
      4 
      5 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
      6 import static com.android.server.wm.WindowManagerService.DEBUG_ANIM;
      7 import static com.android.server.wm.WindowManagerService.DEBUG_LAYERS;
      8 import static com.android.server.wm.WindowManagerService.DEBUG_ORIENTATION;
      9 import static com.android.server.wm.WindowManagerService.DEBUG_STARTING_WINDOW;
     10 import static com.android.server.wm.WindowManagerService.DEBUG_SURFACE_TRACE;
     11 import static com.android.server.wm.WindowManagerService.SHOW_TRANSACTIONS;
     12 import static com.android.server.wm.WindowManagerService.DEBUG_VISIBILITY;
     13 import static com.android.server.wm.WindowManagerService.SHOW_LIGHT_TRANSACTIONS;
     14 import static com.android.server.wm.WindowManagerService.SHOW_SURFACE_ALLOC;
     15 import static com.android.server.wm.WindowManagerService.localLOGV;
     16 import static com.android.server.wm.WindowManagerService.LayoutFields.SET_ORIENTATION_CHANGE_COMPLETE;
     17 import static com.android.server.wm.WindowManagerService.LayoutFields.SET_TURN_ON_SCREEN;
     18 
     19 import android.content.Context;
     20 import android.graphics.Matrix;
     21 import android.graphics.PixelFormat;
     22 import android.graphics.Point;
     23 import android.graphics.PointF;
     24 import android.graphics.Rect;
     25 import android.graphics.RectF;
     26 import android.graphics.Region;
     27 import android.os.Debug;
     28 import android.util.Slog;
     29 import android.view.Display;
     30 import android.view.DisplayInfo;
     31 import android.view.MagnificationSpec;
     32 import android.view.Surface.OutOfResourcesException;
     33 import android.view.SurfaceControl;
     34 import android.view.SurfaceSession;
     35 import android.view.WindowManager;
     36 import android.view.WindowManagerPolicy;
     37 import android.view.WindowManager.LayoutParams;
     38 import android.view.animation.Animation;
     39 import android.view.animation.AnimationUtils;
     40 import android.view.animation.Transformation;
     41 
     42 import com.android.server.wm.WindowManagerService.H;
     43 
     44 import java.io.PrintWriter;
     45 import java.util.ArrayList;
     46 
     47 class WinAnimatorList extends ArrayList<WindowStateAnimator> {
     48 }
     49 
     50 /**
     51  * Keep track of animations and surface operations for a single WindowState.
     52  **/
     53 class WindowStateAnimator {
     54     static final String TAG = "WindowStateAnimator";
     55 
     56     // Unchanging local convenience fields.
     57     final WindowManagerService mService;
     58     final WindowState mWin;
     59     final WindowStateAnimator mAttachedWinAnimator;
     60     final WindowAnimator mAnimator;
     61     AppWindowAnimator mAppAnimator;
     62     final Session mSession;
     63     final WindowManagerPolicy mPolicy;
     64     final Context mContext;
     65     final boolean mIsWallpaper;
     66 
     67     // If this is a universe background window, this is the transformation
     68     // it is applying to the rest of the universe.
     69     final Transformation mUniverseTransform = new Transformation();
     70 
     71     // Currently running animation.
     72     boolean mAnimating;
     73     boolean mLocalAnimating;
     74     Animation mAnimation;
     75     boolean mAnimationIsEntrance;
     76     boolean mHasTransformation;
     77     boolean mHasLocalTransformation;
     78     final Transformation mTransformation = new Transformation();
     79     boolean mWasAnimating;      // Were we animating going into the most recent animation step?
     80     int mAnimLayer;
     81     int mLastLayer;
     82 
     83     SurfaceControl mSurfaceControl;
     84     SurfaceControl mPendingDestroySurface;
     85 
     86     /**
     87      * Set when we have changed the size of the surface, to know that
     88      * we must tell them application to resize (and thus redraw itself).
     89      */
     90     boolean mSurfaceResized;
     91 
     92     /**
     93      * Set if the client has asked that the destroy of its surface be delayed
     94      * until it explicitly says it is okay.
     95      */
     96     boolean mSurfaceDestroyDeferred;
     97 
     98     float mShownAlpha = 0;
     99     float mAlpha = 0;
    100     float mLastAlpha = 0;
    101 
    102     // Used to save animation distances between the time they are calculated and when they are
    103     // used.
    104     int mAnimDw;
    105     int mAnimDh;
    106     float mDsDx=1, mDtDx=0, mDsDy=0, mDtDy=1;
    107     float mLastDsDx=1, mLastDtDx=0, mLastDsDy=0, mLastDtDy=1;
    108 
    109     boolean mHaveMatrix;
    110 
    111     // For debugging, this is the last information given to the surface flinger.
    112     boolean mSurfaceShown;
    113     float mSurfaceX, mSurfaceY, mSurfaceW, mSurfaceH;
    114     int mSurfaceLayer;
    115     float mSurfaceAlpha;
    116 
    117     // Set to true if, when the window gets displayed, it should perform
    118     // an enter animation.
    119     boolean mEnterAnimationPending;
    120 
    121     /** This is set when there is no Surface */
    122     static final int NO_SURFACE = 0;
    123     /** This is set after the Surface has been created but before the window has been drawn. During
    124      * this time the surface is hidden. */
    125     static final int DRAW_PENDING = 1;
    126     /** This is set after the window has finished drawing for the first time but before its surface
    127      * is shown.  The surface will be displayed when the next layout is run. */
    128     static final int COMMIT_DRAW_PENDING = 2;
    129     /** This is set during the time after the window's drawing has been committed, and before its
    130      * surface is actually shown.  It is used to delay showing the surface until all windows in a
    131      * token are ready to be shown. */
    132     static final int READY_TO_SHOW = 3;
    133     /** Set when the window has been shown in the screen the first time. */
    134     static final int HAS_DRAWN = 4;
    135     static String drawStateToString(int state) {
    136         switch (state) {
    137             case NO_SURFACE: return "NO_SURFACE";
    138             case DRAW_PENDING: return "DRAW_PENDING";
    139             case COMMIT_DRAW_PENDING: return "COMMIT_DRAW_PENDING";
    140             case READY_TO_SHOW: return "READY_TO_SHOW";
    141             case HAS_DRAWN: return "HAS_DRAWN";
    142             default: return Integer.toString(state);
    143         }
    144     }
    145     int mDrawState;
    146 
    147     /** Was this window last hidden? */
    148     boolean mLastHidden;
    149 
    150     int mAttrFlags;
    151     int mAttrType;
    152 
    153     final int mLayerStack;
    154 
    155     public WindowStateAnimator(final WindowState win) {
    156         final WindowManagerService service = win.mService;
    157 
    158         mService = service;
    159         mAnimator = service.mAnimator;
    160         mPolicy = service.mPolicy;
    161         mContext = service.mContext;
    162         final DisplayInfo displayInfo = win.mDisplayContent.getDisplayInfo();
    163         mAnimDw = displayInfo.appWidth;
    164         mAnimDh = displayInfo.appHeight;
    165 
    166         mWin = win;
    167         mAttachedWinAnimator = win.mAttachedWindow == null
    168                 ? null : win.mAttachedWindow.mWinAnimator;
    169         mAppAnimator = win.mAppToken == null ? null : win.mAppToken.mAppAnimator;
    170         mSession = win.mSession;
    171         mAttrFlags = win.mAttrs.flags;
    172         mAttrType = win.mAttrs.type;
    173         mIsWallpaper = win.mIsWallpaper;
    174         mLayerStack = win.mDisplayContent.getDisplay().getLayerStack();
    175     }
    176 
    177     public void setAnimation(Animation anim) {
    178         if (localLOGV) Slog.v(TAG, "Setting animation in " + this + ": " + anim);
    179         mAnimating = false;
    180         mLocalAnimating = false;
    181         mAnimation = anim;
    182         mAnimation.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION);
    183         mAnimation.scaleCurrentDuration(mService.mWindowAnimationScale);
    184         // Start out animation gone if window is gone, or visible if window is visible.
    185         mTransformation.clear();
    186         mTransformation.setAlpha(mLastHidden ? 0 : 1);
    187         mHasLocalTransformation = true;
    188     }
    189 
    190     public void clearAnimation() {
    191         if (mAnimation != null) {
    192             mAnimating = true;
    193             mLocalAnimating = false;
    194             mAnimation.cancel();
    195             mAnimation = null;
    196         }
    197     }
    198 
    199     /** Is the window or its container currently animating? */
    200     boolean isAnimating() {
    201         return mAnimation != null
    202                 || (mAttachedWinAnimator != null && mAttachedWinAnimator.mAnimation != null)
    203                 || (mAppAnimator != null &&
    204                         (mAppAnimator.animation != null
    205                                 || mAppAnimator.mAppToken.inPendingTransaction));
    206     }
    207 
    208     /** Is the window animating the DummyAnimation? */
    209     boolean isDummyAnimation() {
    210         return mAppAnimator != null
    211                 && mAppAnimator.animation == AppWindowAnimator.sDummyAnimation;
    212     }
    213 
    214     /** Is this window currently animating? */
    215     boolean isWindowAnimating() {
    216         return mAnimation != null;
    217     }
    218 
    219     void cancelExitAnimationForNextAnimationLocked() {
    220         if (mAnimation != null) {
    221             mAnimation.cancel();
    222             mAnimation = null;
    223             mLocalAnimating = false;
    224             destroySurfaceLocked();
    225         }
    226     }
    227 
    228     private boolean stepAnimation(long currentTime) {
    229         if ((mAnimation == null) || !mLocalAnimating) {
    230             return false;
    231         }
    232         mTransformation.clear();
    233         final boolean more = mAnimation.getTransformation(currentTime, mTransformation);
    234         if (false && DEBUG_ANIM) Slog.v(
    235             TAG, "Stepped animation in " + this +
    236             ": more=" + more + ", xform=" + mTransformation);
    237         return more;
    238     }
    239 
    240     // This must be called while inside a transaction.  Returns true if
    241     // there is more animation to run.
    242     boolean stepAnimationLocked(long currentTime) {
    243         // Save the animation state as it was before this step so WindowManagerService can tell if
    244         // we just started or just stopped animating by comparing mWasAnimating with isAnimating().
    245         mWasAnimating = mAnimating;
    246         if (mService.okToDisplay()) {
    247             // We will run animations as long as the display isn't frozen.
    248 
    249             if (mWin.isDrawnLw() && mAnimation != null) {
    250                 mHasTransformation = true;
    251                 mHasLocalTransformation = true;
    252                 if (!mLocalAnimating) {
    253                     if (DEBUG_ANIM) Slog.v(
    254                         TAG, "Starting animation in " + this +
    255                         " @ " + currentTime + ": ww=" + mWin.mFrame.width() +
    256                         " wh=" + mWin.mFrame.height() +
    257                         " dw=" + mAnimDw + " dh=" + mAnimDh +
    258                         " scale=" + mService.mWindowAnimationScale);
    259                     mAnimation.initialize(mWin.mFrame.width(), mWin.mFrame.height(),
    260                             mAnimDw, mAnimDh);
    261                     final DisplayInfo displayInfo = mWin.mDisplayContent.getDisplayInfo();
    262                     mAnimDw = displayInfo.appWidth;
    263                     mAnimDh = displayInfo.appHeight;
    264                     mAnimation.setStartTime(currentTime);
    265                     mLocalAnimating = true;
    266                     mAnimating = true;
    267                 }
    268                 if ((mAnimation != null) && mLocalAnimating) {
    269                     if (stepAnimation(currentTime)) {
    270                         return true;
    271                     }
    272                 }
    273                 if (DEBUG_ANIM) Slog.v(
    274                     TAG, "Finished animation in " + this +
    275                     " @ " + currentTime);
    276                 //WindowManagerService.this.dump();
    277             }
    278             mHasLocalTransformation = false;
    279             if ((!mLocalAnimating || mAnimationIsEntrance) && mAppAnimator != null
    280                     && mAppAnimator.animation != null) {
    281                 // When our app token is animating, we kind-of pretend like
    282                 // we are as well.  Note the mLocalAnimating mAnimationIsEntrance
    283                 // part of this check means that we will only do this if
    284                 // our window is not currently exiting, or it is not
    285                 // locally animating itself.  The idea being that one that
    286                 // is exiting and doing a local animation should be removed
    287                 // once that animation is done.
    288                 mAnimating = true;
    289                 mHasTransformation = true;
    290                 mTransformation.clear();
    291                 return false;
    292             } else if (mHasTransformation) {
    293                 // Little trick to get through the path below to act like
    294                 // we have finished an animation.
    295                 mAnimating = true;
    296             } else if (isAnimating()) {
    297                 mAnimating = true;
    298             }
    299         } else if (mAnimation != null) {
    300             // If the display is frozen, and there is a pending animation,
    301             // clear it and make sure we run the cleanup code.
    302             mAnimating = true;
    303         }
    304 
    305         if (!mAnimating && !mLocalAnimating) {
    306             return false;
    307         }
    308 
    309         // Done animating, clean up.
    310         if (DEBUG_ANIM) Slog.v(
    311             TAG, "Animation done in " + this + ": exiting=" + mWin.mExiting
    312             + ", reportedVisible="
    313             + (mWin.mAppToken != null ? mWin.mAppToken.reportedVisible : false));
    314 
    315         mAnimating = false;
    316         mLocalAnimating = false;
    317         if (mAnimation != null) {
    318             mAnimation.cancel();
    319             mAnimation = null;
    320         }
    321         if (mAnimator.mWindowDetachedWallpaper == mWin) {
    322             mAnimator.mWindowDetachedWallpaper = null;
    323         }
    324         mAnimLayer = mWin.mLayer;
    325         if (mWin.mIsImWindow) {
    326             mAnimLayer += mService.mInputMethodAnimLayerAdjustment;
    327         } else if (mIsWallpaper) {
    328             mAnimLayer += mService.mWallpaperAnimLayerAdjustment;
    329         }
    330         if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this
    331                 + " anim layer: " + mAnimLayer);
    332         mHasTransformation = false;
    333         mHasLocalTransformation = false;
    334         if (mWin.mPolicyVisibility != mWin.mPolicyVisibilityAfterAnim) {
    335             if (DEBUG_VISIBILITY) {
    336                 Slog.v(TAG, "Policy visibility changing after anim in " + this + ": "
    337                         + mWin.mPolicyVisibilityAfterAnim);
    338             }
    339             mWin.mPolicyVisibility = mWin.mPolicyVisibilityAfterAnim;
    340             mWin.mDisplayContent.layoutNeeded = true;
    341             if (!mWin.mPolicyVisibility) {
    342                 if (mService.mCurrentFocus == mWin) {
    343                     if (WindowManagerService.DEBUG_FOCUS_LIGHT) Slog.i(TAG,
    344                             "setAnimationLocked: setting mFocusMayChange true");
    345                     mService.mFocusMayChange = true;
    346                 }
    347                 // Window is no longer visible -- make sure if we were waiting
    348                 // for it to be displayed before enabling the display, that
    349                 // we allow the display to be enabled now.
    350                 mService.enableScreenIfNeededLocked();
    351             }
    352         }
    353         mTransformation.clear();
    354         if (mDrawState == HAS_DRAWN
    355                 && mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING
    356                 && mWin.mAppToken != null
    357                 && mWin.mAppToken.firstWindowDrawn
    358                 && mWin.mAppToken.startingData != null) {
    359             if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Finish starting "
    360                     + mWin.mToken + ": first real window done animating");
    361             mService.mFinishedStarting.add(mWin.mAppToken);
    362             mService.mH.sendEmptyMessage(H.FINISHED_STARTING);
    363         }
    364 
    365         finishExit();
    366         final int displayId = mWin.mDisplayContent.getDisplayId();
    367         mAnimator.setPendingLayoutChanges(displayId, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM);
    368         if (WindowManagerService.DEBUG_LAYOUT_REPEATS) mService.debugLayoutRepeats(
    369                 "WindowStateAnimator", mAnimator.getPendingLayoutChanges(displayId));
    370 
    371         if (mWin.mAppToken != null) {
    372             mWin.mAppToken.updateReportedVisibilityLocked();
    373         }
    374 
    375         return false;
    376     }
    377 
    378     void finishExit() {
    379         if (WindowManagerService.DEBUG_ANIM) Slog.v(
    380                 TAG, "finishExit in " + this
    381                 + ": exiting=" + mWin.mExiting
    382                 + " remove=" + mWin.mRemoveOnExit
    383                 + " windowAnimating=" + isWindowAnimating());
    384 
    385         final int N = mWin.mChildWindows.size();
    386         for (int i=0; i<N; i++) {
    387             mWin.mChildWindows.get(i).mWinAnimator.finishExit();
    388         }
    389 
    390         if (!mWin.mExiting) {
    391             return;
    392         }
    393 
    394         if (isWindowAnimating()) {
    395             return;
    396         }
    397 
    398         if (WindowManagerService.localLOGV) Slog.v(
    399                 TAG, "Exit animation finished in " + this
    400                 + ": remove=" + mWin.mRemoveOnExit);
    401         if (mSurfaceControl != null) {
    402             mService.mDestroySurface.add(mWin);
    403             mWin.mDestroying = true;
    404             if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(
    405                 mWin, "HIDE (finishExit)", null);
    406             hide();
    407         }
    408         mWin.mExiting = false;
    409         if (mWin.mRemoveOnExit) {
    410             mService.mPendingRemove.add(mWin);
    411             mWin.mRemoveOnExit = false;
    412         }
    413         mAnimator.hideWallpapersLocked(mWin);
    414     }
    415 
    416     void hide() {
    417         if (!mLastHidden) {
    418             //dump();
    419             mLastHidden = true;
    420             if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin,
    421                     "HIDE (performLayout)", null);
    422             if (mSurfaceControl != null) {
    423                 mSurfaceShown = false;
    424                 try {
    425                     mSurfaceControl.hide();
    426                 } catch (RuntimeException e) {
    427                     Slog.w(TAG, "Exception hiding surface in " + mWin);
    428                 }
    429             }
    430         }
    431     }
    432 
    433     boolean finishDrawingLocked() {
    434         if (DEBUG_STARTING_WINDOW &&
    435                 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) {
    436             Slog.v(TAG, "Finishing drawing window " + mWin + ": mDrawState="
    437                     + drawStateToString(mDrawState));
    438         }
    439         if (mDrawState == DRAW_PENDING) {
    440             if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || SHOW_TRANSACTIONS || DEBUG_ORIENTATION)
    441                 Slog.v(TAG, "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING " + this + " in "
    442                         + mSurfaceControl);
    443             if (DEBUG_STARTING_WINDOW &&
    444                     mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) {
    445                 Slog.v(TAG, "Draw state now committed in " + mWin);
    446             }
    447             mDrawState = COMMIT_DRAW_PENDING;
    448             return true;
    449         }
    450         return false;
    451     }
    452 
    453     // This must be called while inside a transaction.
    454     boolean commitFinishDrawingLocked(long currentTime) {
    455         if (DEBUG_STARTING_WINDOW &&
    456                 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) {
    457             Slog.i(TAG, "commitFinishDrawingLocked: " + mWin + " cur mDrawState="
    458                     + drawStateToString(mDrawState));
    459         }
    460         if (mDrawState != COMMIT_DRAW_PENDING) {
    461             return false;
    462         }
    463         if (DEBUG_SURFACE_TRACE || DEBUG_ANIM) {
    464             Slog.i(TAG, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW " + mSurfaceControl);
    465         }
    466         mDrawState = READY_TO_SHOW;
    467         final boolean starting = mWin.mAttrs.type == TYPE_APPLICATION_STARTING;
    468         final AppWindowToken atoken = mWin.mAppToken;
    469         if (atoken == null || atoken.allDrawn || starting) {
    470             performShowLocked();
    471         }
    472         return true;
    473     }
    474 
    475     static class SurfaceTrace extends SurfaceControl {
    476         private final static String SURFACE_TAG = "SurfaceTrace";
    477         final static ArrayList<SurfaceTrace> sSurfaces = new ArrayList<SurfaceTrace>();
    478 
    479         private float mSurfaceTraceAlpha = 0;
    480         private int mLayer;
    481         private final PointF mPosition = new PointF();
    482         private final Point mSize = new Point();
    483         private final Rect mWindowCrop = new Rect();
    484         private boolean mShown = false;
    485         private int mLayerStack;
    486         private final String mName;
    487 
    488         public SurfaceTrace(SurfaceSession s,
    489                        String name, int w, int h, int format, int flags)
    490                    throws OutOfResourcesException {
    491             super(s, name, w, h, format, flags);
    492             mName = name != null ? name : "Not named";
    493             mSize.set(w, h);
    494             Slog.v(SURFACE_TAG, "ctor: " + this + ". Called by "
    495                     + Debug.getCallers(3));
    496         }
    497 
    498         @Override
    499         public void setAlpha(float alpha) {
    500             if (mSurfaceTraceAlpha != alpha) {
    501                 Slog.v(SURFACE_TAG, "setAlpha(" + alpha + "): OLD:" + this + ". Called by "
    502                         + Debug.getCallers(3));
    503                 mSurfaceTraceAlpha = alpha;
    504             }
    505             super.setAlpha(alpha);
    506         }
    507 
    508         @Override
    509         public void setLayer(int zorder) {
    510             if (zorder != mLayer) {
    511                 Slog.v(SURFACE_TAG, "setLayer(" + zorder + "): OLD:" + this + ". Called by "
    512                         + Debug.getCallers(3));
    513                 mLayer = zorder;
    514             }
    515             super.setLayer(zorder);
    516 
    517             sSurfaces.remove(this);
    518             int i;
    519             for (i = sSurfaces.size() - 1; i >= 0; i--) {
    520                 SurfaceTrace s = sSurfaces.get(i);
    521                 if (s.mLayer < zorder) {
    522                     break;
    523                 }
    524             }
    525             sSurfaces.add(i + 1, this);
    526         }
    527 
    528         @Override
    529         public void setPosition(float x, float y) {
    530             if (x != mPosition.x || y != mPosition.y) {
    531                 Slog.v(SURFACE_TAG, "setPosition(" + x + "," + y + "): OLD:" + this
    532                         + ". Called by " + Debug.getCallers(3));
    533                 mPosition.set(x, y);
    534             }
    535             super.setPosition(x, y);
    536         }
    537 
    538         @Override
    539         public void setSize(int w, int h) {
    540             if (w != mSize.x || h != mSize.y) {
    541                 Slog.v(SURFACE_TAG, "setSize(" + w + "," + h + "): OLD:" + this + ". Called by "
    542                         + Debug.getCallers(3));
    543                 mSize.set(w, h);
    544             }
    545             super.setSize(w, h);
    546         }
    547 
    548         @Override
    549         public void setWindowCrop(Rect crop) {
    550             if (crop != null) {
    551                 if (!crop.equals(mWindowCrop)) {
    552                     Slog.v(SURFACE_TAG, "setWindowCrop(" + crop.toShortString() + "): OLD:" + this
    553                             + ". Called by " + Debug.getCallers(3));
    554                     mWindowCrop.set(crop);
    555                 }
    556             }
    557             super.setWindowCrop(crop);
    558         }
    559 
    560         @Override
    561         public void setLayerStack(int layerStack) {
    562             if (layerStack != mLayerStack) {
    563                 Slog.v(SURFACE_TAG, "setLayerStack(" + layerStack + "): OLD:" + this
    564                         + ". Called by " + Debug.getCallers(3));
    565                 mLayerStack = layerStack;
    566             }
    567             super.setLayerStack(layerStack);
    568         }
    569 
    570         @Override
    571         public void hide() {
    572             if (mShown) {
    573                 Slog.v(SURFACE_TAG, "hide: OLD:" + this + ". Called by " + Debug.getCallers(3));
    574                 mShown = false;
    575             }
    576             super.hide();
    577         }
    578 
    579         @Override
    580         public void show() {
    581             if (!mShown) {
    582                 Slog.v(SURFACE_TAG, "show: OLD:" + this + ". Called by " + Debug.getCallers(3));
    583                 mShown = true;
    584             }
    585             super.show();
    586         }
    587 
    588         @Override
    589         public void destroy() {
    590             super.destroy();
    591             Slog.v(SURFACE_TAG, "destroy: " + this + ". Called by " + Debug.getCallers(3));
    592             sSurfaces.remove(this);
    593         }
    594 
    595         @Override
    596         public void release() {
    597             super.release();
    598             Slog.v(SURFACE_TAG, "release: " + this + ". Called by "
    599                     + Debug.getCallers(3));
    600             sSurfaces.remove(this);
    601         }
    602 
    603         static void dumpAllSurfaces() {
    604             final int N = sSurfaces.size();
    605             for (int i = 0; i < N; i++) {
    606                 Slog.i(TAG, "SurfaceDump: " + sSurfaces.get(i));
    607             }
    608         }
    609 
    610         @Override
    611         public String toString() {
    612             return "Surface " + Integer.toHexString(System.identityHashCode(this)) + " "
    613                     + mName + " (" + mLayerStack + "): shown=" + mShown + " layer=" + mLayer
    614                     + " alpha=" + mSurfaceTraceAlpha + " " + mPosition.x + "," + mPosition.y
    615                     + " " + mSize.x + "x" + mSize.y
    616                     + " crop=" + mWindowCrop.toShortString();
    617         }
    618     }
    619 
    620     SurfaceControl createSurfaceLocked() {
    621         if (mSurfaceControl == null) {
    622             if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.i(TAG,
    623                     "createSurface " + this + ": mDrawState=DRAW_PENDING");
    624             mDrawState = DRAW_PENDING;
    625             if (mWin.mAppToken != null) {
    626                 if (mWin.mAppToken.mAppAnimator.animation == null) {
    627                     mWin.mAppToken.allDrawn = false;
    628                     mWin.mAppToken.deferClearAllDrawn = false;
    629                 } else {
    630                     // Currently animating, persist current state of allDrawn until animation
    631                     // is complete.
    632                     mWin.mAppToken.deferClearAllDrawn = true;
    633                 }
    634             }
    635 
    636             mService.makeWindowFreezingScreenIfNeededLocked(mWin);
    637 
    638             int flags = SurfaceControl.HIDDEN;
    639             final WindowManager.LayoutParams attrs = mWin.mAttrs;
    640 
    641             if ((attrs.flags&WindowManager.LayoutParams.FLAG_SECURE) != 0) {
    642                 flags |= SurfaceControl.SECURE;
    643             }
    644             if (DEBUG_VISIBILITY) Slog.v(
    645                 TAG, "Creating surface in session "
    646                 + mSession.mSurfaceSession + " window " + this
    647                 + " w=" + mWin.mCompatFrame.width()
    648                 + " h=" + mWin.mCompatFrame.height() + " format="
    649                 + attrs.format + " flags=" + flags);
    650 
    651             int w = mWin.mCompatFrame.width();
    652             int h = mWin.mCompatFrame.height();
    653             if ((attrs.flags & LayoutParams.FLAG_SCALED) != 0) {
    654                 // for a scaled surface, we always want the requested
    655                 // size.
    656                 w = mWin.mRequestedWidth;
    657                 h = mWin.mRequestedHeight;
    658             }
    659 
    660             // Something is wrong and SurfaceFlinger will not like this,
    661             // try to revert to sane values
    662             if (w <= 0) w = 1;
    663             if (h <= 0) h = 1;
    664 
    665             mSurfaceShown = false;
    666             mSurfaceLayer = 0;
    667             mSurfaceAlpha = 0;
    668             mSurfaceX = 0;
    669             mSurfaceY = 0;
    670             mSurfaceW = w;
    671             mSurfaceH = h;
    672             mWin.mLastSystemDecorRect.set(0, 0, 0, 0);
    673             try {
    674                 final boolean isHwAccelerated = (attrs.flags &
    675                         WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED) != 0;
    676                 final int format = isHwAccelerated ? PixelFormat.TRANSLUCENT : attrs.format;
    677                 if (!PixelFormat.formatHasAlpha(attrs.format)) {
    678                     flags |= SurfaceControl.OPAQUE;
    679                 }
    680                 if (DEBUG_SURFACE_TRACE) {
    681                     mSurfaceControl = new SurfaceTrace(
    682                             mSession.mSurfaceSession,
    683                             attrs.getTitle().toString(),
    684                             w, h, format, flags);
    685                 } else {
    686                     mSurfaceControl = new SurfaceControl(
    687                         mSession.mSurfaceSession,
    688                         attrs.getTitle().toString(),
    689                         w, h, format, flags);
    690                 }
    691                 mWin.mHasSurface = true;
    692                 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) Slog.i(TAG,
    693                         "  CREATE SURFACE "
    694                         + mSurfaceControl + " IN SESSION "
    695                         + mSession.mSurfaceSession
    696                         + ": pid=" + mSession.mPid + " format="
    697                         + attrs.format + " flags=0x"
    698                         + Integer.toHexString(flags)
    699                         + " / " + this);
    700             } catch (OutOfResourcesException e) {
    701                 mWin.mHasSurface = false;
    702                 Slog.w(TAG, "OutOfResourcesException creating surface");
    703                 mService.reclaimSomeSurfaceMemoryLocked(this, "create", true);
    704                 mDrawState = NO_SURFACE;
    705                 return null;
    706             } catch (Exception e) {
    707                 mWin.mHasSurface = false;
    708                 Slog.e(TAG, "Exception creating surface", e);
    709                 mDrawState = NO_SURFACE;
    710                 return null;
    711             }
    712 
    713             if (WindowManagerService.localLOGV) Slog.v(
    714                 TAG, "Got surface: " + mSurfaceControl
    715                 + ", set left=" + mWin.mFrame.left + " top=" + mWin.mFrame.top
    716                 + ", animLayer=" + mAnimLayer);
    717             if (SHOW_LIGHT_TRANSACTIONS) {
    718                 Slog.i(TAG, ">>> OPEN TRANSACTION createSurfaceLocked");
    719                 WindowManagerService.logSurface(mWin, "CREATE pos=("
    720                         + mWin.mFrame.left + "," + mWin.mFrame.top + ") ("
    721                         + mWin.mCompatFrame.width() + "x" + mWin.mCompatFrame.height()
    722                         + "), layer=" + mAnimLayer + " HIDE", null);
    723             }
    724             SurfaceControl.openTransaction();
    725             try {
    726                 try {
    727                     mSurfaceX = mWin.mFrame.left + mWin.mXOffset;
    728                     mSurfaceY = mWin.mFrame.top + mWin.mYOffset;
    729                     mSurfaceControl.setPosition(mSurfaceX, mSurfaceY);
    730                     mSurfaceLayer = mAnimLayer;
    731                     mSurfaceControl.setLayerStack(mLayerStack);
    732                     mSurfaceControl.setLayer(mAnimLayer);
    733                     mSurfaceControl.setAlpha(0);
    734                     mSurfaceShown = false;
    735                 } catch (RuntimeException e) {
    736                     Slog.w(TAG, "Error creating surface in " + w, e);
    737                     mService.reclaimSomeSurfaceMemoryLocked(this, "create-init", true);
    738                 }
    739                 mLastHidden = true;
    740             } finally {
    741                 SurfaceControl.closeTransaction();
    742                 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
    743                         "<<< CLOSE TRANSACTION createSurfaceLocked");
    744             }
    745             if (WindowManagerService.localLOGV) Slog.v(
    746                     TAG, "Created surface " + this);
    747         }
    748         return mSurfaceControl;
    749     }
    750 
    751     void destroySurfaceLocked() {
    752         if (mWin.mAppToken != null && mWin == mWin.mAppToken.startingWindow) {
    753             mWin.mAppToken.startingDisplayed = false;
    754         }
    755 
    756         if (mSurfaceControl != null) {
    757 
    758             int i = mWin.mChildWindows.size();
    759             while (i > 0) {
    760                 i--;
    761                 WindowState c = mWin.mChildWindows.get(i);
    762                 c.mAttachedHidden = true;
    763             }
    764 
    765             try {
    766                 if (DEBUG_VISIBILITY) {
    767                     RuntimeException e = null;
    768                     if (!WindowManagerService.HIDE_STACK_CRAWLS) {
    769                         e = new RuntimeException();
    770                         e.fillInStackTrace();
    771                     }
    772                     Slog.w(TAG, "Window " + this + " destroying surface "
    773                             + mSurfaceControl + ", session " + mSession, e);
    774                 }
    775                 if (mSurfaceDestroyDeferred) {
    776                     if (mSurfaceControl != null && mPendingDestroySurface != mSurfaceControl) {
    777                         if (mPendingDestroySurface != null) {
    778                             if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
    779                                 RuntimeException e = null;
    780                                 if (!WindowManagerService.HIDE_STACK_CRAWLS) {
    781                                     e = new RuntimeException();
    782                                     e.fillInStackTrace();
    783                                 }
    784                                 WindowManagerService.logSurface(mWin, "DESTROY PENDING", e);
    785                             }
    786                             mPendingDestroySurface.destroy();
    787                         }
    788                         mPendingDestroySurface = mSurfaceControl;
    789                     }
    790                 } else {
    791                     if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
    792                         RuntimeException e = null;
    793                         if (!WindowManagerService.HIDE_STACK_CRAWLS) {
    794                             e = new RuntimeException();
    795                             e.fillInStackTrace();
    796                         }
    797                         WindowManagerService.logSurface(mWin, "DESTROY", e);
    798                     }
    799                     mSurfaceControl.destroy();
    800                 }
    801                 mAnimator.hideWallpapersLocked(mWin);
    802             } catch (RuntimeException e) {
    803                 Slog.w(TAG, "Exception thrown when destroying Window " + this
    804                     + " surface " + mSurfaceControl + " session " + mSession
    805                     + ": " + e.toString());
    806             }
    807 
    808             mSurfaceShown = false;
    809             mSurfaceControl = null;
    810             mWin.mHasSurface = false;
    811             mDrawState = NO_SURFACE;
    812         }
    813     }
    814 
    815     void destroyDeferredSurfaceLocked() {
    816         try {
    817             if (mPendingDestroySurface != null) {
    818                 if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
    819                     RuntimeException e = null;
    820                     if (!WindowManagerService.HIDE_STACK_CRAWLS) {
    821                         e = new RuntimeException();
    822                         e.fillInStackTrace();
    823                     }
    824                     WindowManagerService.logSurface(mWin, "DESTROY PENDING", e);
    825                 }
    826                 mPendingDestroySurface.destroy();
    827                 mAnimator.hideWallpapersLocked(mWin);
    828             }
    829         } catch (RuntimeException e) {
    830             Slog.w(TAG, "Exception thrown when destroying Window "
    831                     + this + " surface " + mPendingDestroySurface
    832                     + " session " + mSession + ": " + e.toString());
    833         }
    834         mSurfaceDestroyDeferred = false;
    835         mPendingDestroySurface = null;
    836     }
    837 
    838     void computeShownFrameLocked() {
    839         final boolean selfTransformation = mHasLocalTransformation;
    840         Transformation attachedTransformation =
    841                 (mAttachedWinAnimator != null && mAttachedWinAnimator.mHasLocalTransformation)
    842                 ? mAttachedWinAnimator.mTransformation : null;
    843         Transformation appTransformation = (mAppAnimator != null && mAppAnimator.hasTransformation)
    844                 ? mAppAnimator.transformation : null;
    845 
    846         // Wallpapers are animated based on the "real" window they
    847         // are currently targeting.
    848         if (mIsWallpaper && mService.mLowerWallpaperTarget == null
    849                 && mService.mWallpaperTarget != null) {
    850             final WindowStateAnimator wallpaperAnimator = mService.mWallpaperTarget.mWinAnimator;
    851             if (wallpaperAnimator.mHasLocalTransformation &&
    852                     wallpaperAnimator.mAnimation != null &&
    853                     !wallpaperAnimator.mAnimation.getDetachWallpaper()) {
    854                 attachedTransformation = wallpaperAnimator.mTransformation;
    855                 if (WindowManagerService.DEBUG_WALLPAPER && attachedTransformation != null) {
    856                     Slog.v(TAG, "WP target attached xform: " + attachedTransformation);
    857                 }
    858             }
    859             final AppWindowAnimator wpAppAnimator = mAnimator.getWallpaperAppAnimator();
    860             if (wpAppAnimator != null && wpAppAnimator.hasTransformation
    861                     && wpAppAnimator.animation != null
    862                     && !wpAppAnimator.animation.getDetachWallpaper()) {
    863                 appTransformation = wpAppAnimator.transformation;
    864                 if (WindowManagerService.DEBUG_WALLPAPER && appTransformation != null) {
    865                     Slog.v(TAG, "WP target app xform: " + appTransformation);
    866                 }
    867             }
    868         }
    869 
    870         final int displayId = mWin.getDisplayId();
    871         final ScreenRotationAnimation screenRotationAnimation =
    872                 mAnimator.getScreenRotationAnimationLocked(displayId);
    873         final boolean screenAnimation =
    874                 screenRotationAnimation != null && screenRotationAnimation.isAnimating();
    875         if (selfTransformation || attachedTransformation != null
    876                 || appTransformation != null || screenAnimation) {
    877             // cache often used attributes locally
    878             final Rect frame = mWin.mFrame;
    879             final float tmpFloats[] = mService.mTmpFloats;
    880             final Matrix tmpMatrix = mWin.mTmpMatrix;
    881 
    882             // Compute the desired transformation.
    883             if (screenAnimation && screenRotationAnimation.isRotating()) {
    884                 // If we are doing a screen animation, the global rotation
    885                 // applied to windows can result in windows that are carefully
    886                 // aligned with each other to slightly separate, allowing you
    887                 // to see what is behind them.  An unsightly mess.  This...
    888                 // thing...  magically makes it call good: scale each window
    889                 // slightly (two pixels larger in each dimension, from the
    890                 // window's center).
    891                 final float w = frame.width();
    892                 final float h = frame.height();
    893                 if (w>=1 && h>=1) {
    894                     tmpMatrix.setScale(1 + 2/w, 1 + 2/h, w/2, h/2);
    895                 } else {
    896                     tmpMatrix.reset();
    897                 }
    898             } else {
    899                 tmpMatrix.reset();
    900             }
    901             tmpMatrix.postScale(mWin.mGlobalScale, mWin.mGlobalScale);
    902             if (selfTransformation) {
    903                 tmpMatrix.postConcat(mTransformation.getMatrix());
    904             }
    905             tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset);
    906             if (attachedTransformation != null) {
    907                 tmpMatrix.postConcat(attachedTransformation.getMatrix());
    908             }
    909             if (appTransformation != null) {
    910                 tmpMatrix.postConcat(appTransformation.getMatrix());
    911             }
    912             if (mAnimator.mUniverseBackground != null) {
    913                 tmpMatrix.postConcat(mAnimator.mUniverseBackground.mUniverseTransform.getMatrix());
    914             }
    915             if (screenAnimation) {
    916                 tmpMatrix.postConcat(screenRotationAnimation.getEnterTransformation().getMatrix());
    917             }
    918             //TODO (multidisplay): Magnification is supported only for the default display.
    919             if (mService.mDisplayMagnifier != null
    920                     && mWin.getDisplayId() == Display.DEFAULT_DISPLAY) {
    921                 MagnificationSpec spec = mService.mDisplayMagnifier
    922                         .getMagnificationSpecForWindowLocked(mWin);
    923                 if (spec != null && !spec.isNop()) {
    924                     tmpMatrix.postScale(spec.scale, spec.scale);
    925                     tmpMatrix.postTranslate(spec.offsetX, spec.offsetY);
    926                 }
    927             }
    928 
    929             // "convert" it into SurfaceFlinger's format
    930             // (a 2x2 matrix + an offset)
    931             // Here we must not transform the position of the surface
    932             // since it is already included in the transformation.
    933             //Slog.i(TAG, "Transform: " + matrix);
    934 
    935             mHaveMatrix = true;
    936             tmpMatrix.getValues(tmpFloats);
    937             mDsDx = tmpFloats[Matrix.MSCALE_X];
    938             mDtDx = tmpFloats[Matrix.MSKEW_Y];
    939             mDsDy = tmpFloats[Matrix.MSKEW_X];
    940             mDtDy = tmpFloats[Matrix.MSCALE_Y];
    941             float x = tmpFloats[Matrix.MTRANS_X];
    942             float y = tmpFloats[Matrix.MTRANS_Y];
    943             int w = frame.width();
    944             int h = frame.height();
    945             mWin.mShownFrame.set(x, y, x+w, y+h);
    946 
    947             // Now set the alpha...  but because our current hardware
    948             // can't do alpha transformation on a non-opaque surface,
    949             // turn it off if we are running an animation that is also
    950             // transforming since it is more important to have that
    951             // animation be smooth.
    952             mShownAlpha = mAlpha;
    953             if (!mService.mLimitedAlphaCompositing
    954                     || (!PixelFormat.formatHasAlpha(mWin.mAttrs.format)
    955                     || (mWin.isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy)
    956                             && x == frame.left && y == frame.top))) {
    957                 //Slog.i(TAG, "Applying alpha transform");
    958                 if (selfTransformation) {
    959                     mShownAlpha *= mTransformation.getAlpha();
    960                 }
    961                 if (attachedTransformation != null) {
    962                     mShownAlpha *= attachedTransformation.getAlpha();
    963                 }
    964                 if (appTransformation != null) {
    965                     mShownAlpha *= appTransformation.getAlpha();
    966                 }
    967                 if (mAnimator.mUniverseBackground != null) {
    968                     mShownAlpha *= mAnimator.mUniverseBackground.mUniverseTransform.getAlpha();
    969                 }
    970                 if (screenAnimation) {
    971                     mShownAlpha *= screenRotationAnimation.getEnterTransformation().getAlpha();
    972                 }
    973             } else {
    974                 //Slog.i(TAG, "Not applying alpha transform");
    975             }
    976 
    977             if ((DEBUG_SURFACE_TRACE || WindowManagerService.localLOGV)
    978                     && (mShownAlpha == 1.0 || mShownAlpha == 0.0)) Slog.v(
    979                     TAG, "computeShownFrameLocked: Animating " + this + " mAlpha=" + mAlpha
    980                     + " self=" + (selfTransformation ? mTransformation.getAlpha() : "null")
    981                     + " attached=" + (attachedTransformation == null ?
    982                             "null" : attachedTransformation.getAlpha())
    983                     + " app=" + (appTransformation == null ? "null" : appTransformation.getAlpha())
    984                     + " screen=" + (screenAnimation ?
    985                             screenRotationAnimation.getEnterTransformation().getAlpha() : "null"));
    986             return;
    987         } else if (mIsWallpaper && mService.mInnerFields.mWallpaperActionPending) {
    988             return;
    989         }
    990 
    991         if (WindowManagerService.localLOGV) Slog.v(
    992                 TAG, "computeShownFrameLocked: " + this +
    993                 " not attached, mAlpha=" + mAlpha);
    994 
    995         final boolean applyUniverseTransformation = (mAnimator.mUniverseBackground != null
    996                 && mWin.mAttrs.type != WindowManager.LayoutParams.TYPE_UNIVERSE_BACKGROUND
    997                 && mWin.mBaseLayer < mAnimator.mAboveUniverseLayer);
    998         MagnificationSpec spec = null;
    999         //TODO (multidisplay): Magnification is supported only for the default display.
   1000         if (mService.mDisplayMagnifier != null && mWin.getDisplayId() == Display.DEFAULT_DISPLAY) {
   1001             spec = mService.mDisplayMagnifier.getMagnificationSpecForWindowLocked(mWin);
   1002         }
   1003         if (applyUniverseTransformation || spec != null) {
   1004             final Rect frame = mWin.mFrame;
   1005             final float tmpFloats[] = mService.mTmpFloats;
   1006             final Matrix tmpMatrix = mWin.mTmpMatrix;
   1007 
   1008             tmpMatrix.setScale(mWin.mGlobalScale, mWin.mGlobalScale);
   1009             tmpMatrix.postTranslate(frame.left + mWin.mXOffset, frame.top + mWin.mYOffset);
   1010 
   1011             if (applyUniverseTransformation) {
   1012                 tmpMatrix.postConcat(mAnimator.mUniverseBackground.mUniverseTransform.getMatrix());
   1013             }
   1014 
   1015             if (spec != null && !spec.isNop()) {
   1016                 tmpMatrix.postScale(spec.scale, spec.scale);
   1017                 tmpMatrix.postTranslate(spec.offsetX, spec.offsetY);
   1018             }
   1019 
   1020             tmpMatrix.getValues(tmpFloats);
   1021 
   1022             mHaveMatrix = true;
   1023             mDsDx = tmpFloats[Matrix.MSCALE_X];
   1024             mDtDx = tmpFloats[Matrix.MSKEW_Y];
   1025             mDsDy = tmpFloats[Matrix.MSKEW_X];
   1026             mDtDy = tmpFloats[Matrix.MSCALE_Y];
   1027             float x = tmpFloats[Matrix.MTRANS_X];
   1028             float y = tmpFloats[Matrix.MTRANS_Y];
   1029             int w = frame.width();
   1030             int h = frame.height();
   1031             mWin.mShownFrame.set(x, y, x + w, y + h);
   1032 
   1033             mShownAlpha = mAlpha;
   1034             if (applyUniverseTransformation) {
   1035                 mShownAlpha *= mAnimator.mUniverseBackground.mUniverseTransform.getAlpha();
   1036             }
   1037         } else {
   1038             mWin.mShownFrame.set(mWin.mFrame);
   1039             if (mWin.mXOffset != 0 || mWin.mYOffset != 0) {
   1040                 mWin.mShownFrame.offset(mWin.mXOffset, mWin.mYOffset);
   1041             }
   1042             mShownAlpha = mAlpha;
   1043             mHaveMatrix = false;
   1044             mDsDx = mWin.mGlobalScale;
   1045             mDtDx = 0;
   1046             mDsDy = 0;
   1047             mDtDy = mWin.mGlobalScale;
   1048         }
   1049     }
   1050 
   1051     void applyDecorRect(final Rect decorRect) {
   1052         final WindowState w = mWin;
   1053         // Compute the offset of the window in relation to the decor rect.
   1054         final int offX = w.mXOffset + w.mFrame.left;
   1055         final int offY = w.mYOffset + w.mFrame.top;
   1056         // Initialize the decor rect to the entire frame.
   1057         w.mSystemDecorRect.set(0, 0, w.mFrame.width(), w.mFrame.height());
   1058         // Intersect with the decor rect, offsetted by window position.
   1059         w.mSystemDecorRect.intersect(decorRect.left-offX, decorRect.top-offY,
   1060                 decorRect.right-offX, decorRect.bottom-offY);
   1061         // If size compatibility is being applied to the window, the
   1062         // surface is scaled relative to the screen.  Also apply this
   1063         // scaling to the crop rect.  We aren't using the standard rect
   1064         // scale function because we want to round things to make the crop
   1065         // always round to a larger rect to ensure we don't crop too
   1066         // much and hide part of the window that should be seen.
   1067         if (w.mEnforceSizeCompat && w.mInvGlobalScale != 1.0f) {
   1068             final float scale = w.mInvGlobalScale;
   1069             w.mSystemDecorRect.left = (int) (w.mSystemDecorRect.left * scale - 0.5f);
   1070             w.mSystemDecorRect.top = (int) (w.mSystemDecorRect.top * scale - 0.5f);
   1071             w.mSystemDecorRect.right = (int) ((w.mSystemDecorRect.right+1) * scale - 0.5f);
   1072             w.mSystemDecorRect.bottom = (int) ((w.mSystemDecorRect.bottom+1) * scale - 0.5f);
   1073         }
   1074     }
   1075 
   1076     void updateSurfaceWindowCrop(final boolean recoveringMemory) {
   1077         final WindowState w = mWin;
   1078         DisplayInfo displayInfo = w.mDisplayContent.getDisplayInfo();
   1079 
   1080         // Need to recompute a new system decor rect each time.
   1081         if ((w.mAttrs.flags & LayoutParams.FLAG_SCALED) != 0) {
   1082             // Currently can't do this cropping for scaled windows.  We'll
   1083             // just keep the crop rect the same as the source surface.
   1084             w.mSystemDecorRect.set(0, 0, w.mRequestedWidth, w.mRequestedHeight);
   1085         } else if (!w.isDefaultDisplay()) {
   1086             // On a different display there is no system decor.  Crop the window
   1087             // by the screen boundaries.
   1088             w.mSystemDecorRect.set(0, 0, w.mCompatFrame.width(), w.mCompatFrame.height());
   1089             w.mSystemDecorRect.intersect(-w.mCompatFrame.left, -w.mCompatFrame.top,
   1090                     displayInfo.logicalWidth - w.mCompatFrame.left,
   1091                     displayInfo.logicalHeight - w.mCompatFrame.top);
   1092         } else if (w.mLayer >= mService.mSystemDecorLayer) {
   1093             // Above the decor layer is easy, just use the entire window.
   1094             // Unless we have a universe background...  in which case all the
   1095             // windows need to be cropped by the screen, so they don't cover
   1096             // the universe background.
   1097             if (mAnimator.mUniverseBackground == null) {
   1098                 w.mSystemDecorRect.set(0, 0, w.mCompatFrame.width(),
   1099                         w.mCompatFrame.height());
   1100             } else {
   1101                 applyDecorRect(mService.mScreenRect);
   1102             }
   1103         } else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_UNIVERSE_BACKGROUND
   1104                 || w.mDecorFrame.isEmpty()) {
   1105             // The universe background isn't cropped, nor windows without policy decor.
   1106             w.mSystemDecorRect.set(0, 0, w.mCompatFrame.width(),
   1107                     w.mCompatFrame.height());
   1108         } else {
   1109             // Crop to the system decor specified by policy.
   1110             applyDecorRect(w.mDecorFrame);
   1111         }
   1112 
   1113         if (!w.mSystemDecorRect.equals(w.mLastSystemDecorRect)) {
   1114             w.mLastSystemDecorRect.set(w.mSystemDecorRect);
   1115             try {
   1116                 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w,
   1117                         "CROP " + w.mSystemDecorRect.toShortString(), null);
   1118                 mSurfaceControl.setWindowCrop(w.mSystemDecorRect);
   1119             } catch (RuntimeException e) {
   1120                 Slog.w(TAG, "Error setting crop surface of " + w
   1121                         + " crop=" + w.mSystemDecorRect.toShortString(), e);
   1122                 if (!recoveringMemory) {
   1123                     mService.reclaimSomeSurfaceMemoryLocked(this, "crop", true);
   1124                 }
   1125             }
   1126         }
   1127     }
   1128 
   1129     void setSurfaceBoundariesLocked(final boolean recoveringMemory) {
   1130         final WindowState w = mWin;
   1131         int width, height;
   1132         if ((w.mAttrs.flags & LayoutParams.FLAG_SCALED) != 0) {
   1133             // for a scaled surface, we just want to use
   1134             // the requested size.
   1135             width  = w.mRequestedWidth;
   1136             height = w.mRequestedHeight;
   1137         } else {
   1138             width = w.mCompatFrame.width();
   1139             height = w.mCompatFrame.height();
   1140         }
   1141 
   1142         if (width < 1) {
   1143             width = 1;
   1144         }
   1145         if (height < 1) {
   1146             height = 1;
   1147         }
   1148         final boolean surfaceResized = mSurfaceW != width || mSurfaceH != height;
   1149         if (surfaceResized) {
   1150             mSurfaceW = width;
   1151             mSurfaceH = height;
   1152         }
   1153 
   1154         final float left = w.mShownFrame.left;
   1155         final float top = w.mShownFrame.top;
   1156         if (mSurfaceX != left || mSurfaceY != top) {
   1157             try {
   1158                 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w,
   1159                         "POS " + left + ", " + top, null);
   1160                 mSurfaceX = left;
   1161                 mSurfaceY = top;
   1162                 mSurfaceControl.setPosition(left, top);
   1163             } catch (RuntimeException e) {
   1164                 Slog.w(TAG, "Error positioning surface of " + w
   1165                         + " pos=(" + left
   1166                         + "," + top + ")", e);
   1167                 if (!recoveringMemory) {
   1168                     mService.reclaimSomeSurfaceMemoryLocked(this, "position", true);
   1169                 }
   1170             }
   1171         }
   1172 
   1173         if (surfaceResized) {
   1174             try {
   1175                 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w,
   1176                         "SIZE " + width + "x" + height, null);
   1177                 mSurfaceResized = true;
   1178                 mSurfaceControl.setSize(width, height);
   1179                 final int displayId = w.mDisplayContent.getDisplayId();
   1180                 mAnimator.setPendingLayoutChanges(displayId,
   1181                         WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER);
   1182                 if ((w.mAttrs.flags & LayoutParams.FLAG_DIM_BEHIND) != 0) {
   1183                     w.getStack().startDimmingIfNeeded(this);
   1184                 }
   1185             } catch (RuntimeException e) {
   1186                 // If something goes wrong with the surface (such
   1187                 // as running out of memory), don't take down the
   1188                 // entire system.
   1189                 Slog.e(TAG, "Error resizing surface of " + w
   1190                         + " size=(" + width + "x" + height + ")", e);
   1191                 if (!recoveringMemory) {
   1192                     mService.reclaimSomeSurfaceMemoryLocked(this, "size", true);
   1193                 }
   1194             }
   1195         }
   1196 
   1197         updateSurfaceWindowCrop(recoveringMemory);
   1198     }
   1199 
   1200     public void prepareSurfaceLocked(final boolean recoveringMemory) {
   1201         final WindowState w = mWin;
   1202         if (mSurfaceControl == null) {
   1203             if (w.mOrientationChanging) {
   1204                 if (DEBUG_ORIENTATION) {
   1205                     Slog.v(TAG, "Orientation change skips hidden " + w);
   1206                 }
   1207                 w.mOrientationChanging = false;
   1208             }
   1209             return;
   1210         }
   1211 
   1212         boolean displayed = false;
   1213 
   1214         computeShownFrameLocked();
   1215 
   1216         setSurfaceBoundariesLocked(recoveringMemory);
   1217 
   1218         if (mIsWallpaper && !mWin.mWallpaperVisible) {
   1219             // Wallpaper is no longer visible and there is no wp target => hide it.
   1220             hide();
   1221         } else if (w.mAttachedHidden || !w.isOnScreen()) {
   1222             hide();
   1223             mAnimator.hideWallpapersLocked(w);
   1224 
   1225             // If we are waiting for this window to handle an
   1226             // orientation change, well, it is hidden, so
   1227             // doesn't really matter.  Note that this does
   1228             // introduce a potential glitch if the window
   1229             // becomes unhidden before it has drawn for the
   1230             // new orientation.
   1231             if (w.mOrientationChanging) {
   1232                 w.mOrientationChanging = false;
   1233                 if (DEBUG_ORIENTATION) Slog.v(TAG,
   1234                         "Orientation change skips hidden " + w);
   1235             }
   1236         } else if (mLastLayer != mAnimLayer
   1237                 || mLastAlpha != mShownAlpha
   1238                 || mLastDsDx != mDsDx
   1239                 || mLastDtDx != mDtDx
   1240                 || mLastDsDy != mDsDy
   1241                 || mLastDtDy != mDtDy
   1242                 || w.mLastHScale != w.mHScale
   1243                 || w.mLastVScale != w.mVScale
   1244                 || mLastHidden) {
   1245             displayed = true;
   1246             mLastAlpha = mShownAlpha;
   1247             mLastLayer = mAnimLayer;
   1248             mLastDsDx = mDsDx;
   1249             mLastDtDx = mDtDx;
   1250             mLastDsDy = mDsDy;
   1251             mLastDtDy = mDtDy;
   1252             w.mLastHScale = w.mHScale;
   1253             w.mLastVScale = w.mVScale;
   1254             if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w,
   1255                     "alpha=" + mShownAlpha + " layer=" + mAnimLayer
   1256                     + " matrix=[" + (mDsDx*w.mHScale)
   1257                     + "," + (mDtDx*w.mVScale)
   1258                     + "][" + (mDsDy*w.mHScale)
   1259                     + "," + (mDtDy*w.mVScale) + "]", null);
   1260             if (mSurfaceControl != null) {
   1261                 try {
   1262                     mSurfaceAlpha = mShownAlpha;
   1263                     mSurfaceControl.setAlpha(mShownAlpha);
   1264                     mSurfaceLayer = mAnimLayer;
   1265                     mSurfaceControl.setLayer(mAnimLayer);
   1266                     mSurfaceControl.setMatrix(
   1267                         mDsDx*w.mHScale, mDtDx*w.mVScale,
   1268                         mDsDy*w.mHScale, mDtDy*w.mVScale);
   1269 
   1270                     if (mLastHidden && mDrawState == HAS_DRAWN) {
   1271                         if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w,
   1272                                 "SHOW (performLayout)", null);
   1273                         if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(TAG, "Showing " + w
   1274                                 + " during relayout");
   1275                         if (showSurfaceRobustlyLocked()) {
   1276                             mLastHidden = false;
   1277                             if (mIsWallpaper) {
   1278                                 mService.dispatchWallpaperVisibility(w, true);
   1279                             }
   1280                             // This draw means the difference between unique content and mirroring.
   1281                             // Run another pass through performLayout to set mHasContent in the
   1282                             // LogicalDisplay.
   1283                             mAnimator.setPendingLayoutChanges(w.getDisplayId(),
   1284                                     WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM);
   1285                         } else {
   1286                             w.mOrientationChanging = false;
   1287                         }
   1288                     }
   1289                     if (mSurfaceControl != null) {
   1290                         w.mToken.hasVisible = true;
   1291                     }
   1292                 } catch (RuntimeException e) {
   1293                     Slog.w(TAG, "Error updating surface in " + w, e);
   1294                     if (!recoveringMemory) {
   1295                         mService.reclaimSomeSurfaceMemoryLocked(this, "update", true);
   1296                     }
   1297                 }
   1298             }
   1299         } else {
   1300             if (DEBUG_ANIM && isAnimating()) {
   1301                 Slog.v(TAG, "prepareSurface: No changes in animation for " + this);
   1302             }
   1303             displayed = true;
   1304         }
   1305 
   1306         if (displayed) {
   1307             if (w.mOrientationChanging) {
   1308                 if (!w.isDrawnLw()) {
   1309                     mAnimator.mBulkUpdateParams &= ~SET_ORIENTATION_CHANGE_COMPLETE;
   1310                     mAnimator.mLastWindowFreezeSource = w;
   1311                     if (DEBUG_ORIENTATION) Slog.v(TAG,
   1312                             "Orientation continue waiting for draw in " + w);
   1313                 } else {
   1314                     w.mOrientationChanging = false;
   1315                     if (DEBUG_ORIENTATION) Slog.v(TAG, "Orientation change complete in " + w);
   1316                 }
   1317             }
   1318             w.mToken.hasVisible = true;
   1319         }
   1320     }
   1321 
   1322     void setTransparentRegionHintLocked(final Region region) {
   1323         if (mSurfaceControl == null) {
   1324             Slog.w(TAG, "setTransparentRegionHint: null mSurface after mHasSurface true");
   1325             return;
   1326         }
   1327         if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
   1328             ">>> OPEN TRANSACTION setTransparentRegion");
   1329         SurfaceControl.openTransaction();
   1330         try {
   1331             if (SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin,
   1332                     "transparentRegionHint=" + region, null);
   1333             mSurfaceControl.setTransparentRegionHint(region);
   1334         } finally {
   1335             SurfaceControl.closeTransaction();
   1336             if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
   1337                     "<<< CLOSE TRANSACTION setTransparentRegion");
   1338         }
   1339     }
   1340 
   1341     void setWallpaperOffset(RectF shownFrame) {
   1342         final int left = (int) shownFrame.left;
   1343         final int top = (int) shownFrame.top;
   1344         if (mSurfaceX != left || mSurfaceY != top) {
   1345             mSurfaceX = left;
   1346             mSurfaceY = top;
   1347             if (mAnimating) {
   1348                 // If this window (or its app token) is animating, then the position
   1349                 // of the surface will be re-computed on the next animation frame.
   1350                 // We can't poke it directly here because it depends on whatever
   1351                 // transformation is being applied by the animation.
   1352                 return;
   1353             }
   1354             if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
   1355                     ">>> OPEN TRANSACTION setWallpaperOffset");
   1356             SurfaceControl.openTransaction();
   1357             try {
   1358                 if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(mWin,
   1359                         "POS " + left + ", " + top, null);
   1360                 mSurfaceControl.setPosition(mWin.mFrame.left + left, mWin.mFrame.top + top);
   1361                 updateSurfaceWindowCrop(false);
   1362             } catch (RuntimeException e) {
   1363                 Slog.w(TAG, "Error positioning surface of " + mWin
   1364                         + " pos=(" + left + "," + top + ")", e);
   1365             } finally {
   1366                 SurfaceControl.closeTransaction();
   1367                 if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
   1368                         "<<< CLOSE TRANSACTION setWallpaperOffset");
   1369             }
   1370         }
   1371     }
   1372 
   1373     // This must be called while inside a transaction.
   1374     boolean performShowLocked() {
   1375         if (mWin.isHiddenFromUserLocked()) {
   1376             Slog.w(TAG, "current user violation " + mService.mCurrentUserId + " trying to display "
   1377                     + this + ", type " + mWin.mAttrs.type + ", belonging to " + mWin.mOwnerUid);
   1378             return false;
   1379         }
   1380         if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW &&
   1381                 mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) {
   1382             RuntimeException e = null;
   1383             if (!WindowManagerService.HIDE_STACK_CRAWLS) {
   1384                 e = new RuntimeException();
   1385                 e.fillInStackTrace();
   1386             }
   1387             Slog.v(TAG, "performShow on " + this
   1388                     + ": mDrawState=" + mDrawState + " readyForDisplay="
   1389                     + mWin.isReadyForDisplayIgnoringKeyguard()
   1390                     + " starting=" + (mWin.mAttrs.type == TYPE_APPLICATION_STARTING)
   1391                     + " during animation: policyVis=" + mWin.mPolicyVisibility
   1392                     + " attHidden=" + mWin.mAttachedHidden
   1393                     + " tok.hiddenRequested="
   1394                     + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false)
   1395                     + " tok.hidden="
   1396                     + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false)
   1397                     + " animating=" + mAnimating
   1398                     + " tok animating="
   1399                     + (mAppAnimator != null ? mAppAnimator.animating : false), e);
   1400         }
   1401         if (mDrawState == READY_TO_SHOW && mWin.isReadyForDisplayIgnoringKeyguard()) {
   1402             if (SHOW_TRANSACTIONS || DEBUG_ORIENTATION)
   1403                 WindowManagerService.logSurface(mWin, "SHOW (performShowLocked)", null);
   1404             if (DEBUG_VISIBILITY || (DEBUG_STARTING_WINDOW &&
   1405                     mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING)) {
   1406                 Slog.v(TAG, "Showing " + this
   1407                         + " during animation: policyVis=" + mWin.mPolicyVisibility
   1408                         + " attHidden=" + mWin.mAttachedHidden
   1409                         + " tok.hiddenRequested="
   1410                         + (mWin.mAppToken != null ? mWin.mAppToken.hiddenRequested : false)
   1411                         + " tok.hidden="
   1412                         + (mWin.mAppToken != null ? mWin.mAppToken.hidden : false)
   1413                         + " animating=" + mAnimating
   1414                         + " tok animating="
   1415                         + (mAppAnimator != null ? mAppAnimator.animating : false));
   1416             }
   1417 
   1418             mService.enableScreenIfNeededLocked();
   1419 
   1420             applyEnterAnimationLocked();
   1421 
   1422             // Force the show in the next prepareSurfaceLocked() call.
   1423             mLastAlpha = -1;
   1424             if (DEBUG_SURFACE_TRACE || DEBUG_ANIM)
   1425                 Slog.v(TAG, "performShowLocked: mDrawState=HAS_DRAWN in " + this);
   1426             mDrawState = HAS_DRAWN;
   1427             mService.scheduleAnimationLocked();
   1428 
   1429             int i = mWin.mChildWindows.size();
   1430             while (i > 0) {
   1431                 i--;
   1432                 WindowState c = mWin.mChildWindows.get(i);
   1433                 if (c.mAttachedHidden) {
   1434                     c.mAttachedHidden = false;
   1435                     if (c.mWinAnimator.mSurfaceControl != null) {
   1436                         c.mWinAnimator.performShowLocked();
   1437                         // It hadn't been shown, which means layout not
   1438                         // performed on it, so now we want to make sure to
   1439                         // do a layout.  If called from within the transaction
   1440                         // loop, this will cause it to restart with a new
   1441                         // layout.
   1442                         c.mDisplayContent.layoutNeeded = true;
   1443                     }
   1444                 }
   1445             }
   1446 
   1447             if (mWin.mAttrs.type != TYPE_APPLICATION_STARTING
   1448                     && mWin.mAppToken != null) {
   1449                 mWin.mAppToken.firstWindowDrawn = true;
   1450 
   1451                 if (mWin.mAppToken.startingData != null) {
   1452                     if (WindowManagerService.DEBUG_STARTING_WINDOW ||
   1453                             WindowManagerService.DEBUG_ANIM) Slog.v(TAG,
   1454                             "Finish starting " + mWin.mToken
   1455                             + ": first real window is shown, no animation");
   1456                     // If this initial window is animating, stop it -- we
   1457                     // will do an animation to reveal it from behind the
   1458                     // starting window, so there is no need for it to also
   1459                     // be doing its own stuff.
   1460                     clearAnimation();
   1461                     mService.mFinishedStarting.add(mWin.mAppToken);
   1462                     mService.mH.sendEmptyMessage(H.FINISHED_STARTING);
   1463                 }
   1464                 mWin.mAppToken.updateReportedVisibilityLocked();
   1465             }
   1466 
   1467             return true;
   1468         }
   1469 
   1470         return false;
   1471     }
   1472 
   1473     /**
   1474      * Have the surface flinger show a surface, robustly dealing with
   1475      * error conditions.  In particular, if there is not enough memory
   1476      * to show the surface, then we will try to get rid of other surfaces
   1477      * in order to succeed.
   1478      *
   1479      * @return Returns true if the surface was successfully shown.
   1480      */
   1481     boolean showSurfaceRobustlyLocked() {
   1482         try {
   1483             if (mSurfaceControl != null) {
   1484                 mSurfaceShown = true;
   1485                 mSurfaceControl.show();
   1486                 if (mWin.mTurnOnScreen) {
   1487                     if (DEBUG_VISIBILITY) Slog.v(TAG,
   1488                             "Show surface turning screen on: " + mWin);
   1489                     mWin.mTurnOnScreen = false;
   1490                     mAnimator.mBulkUpdateParams |= SET_TURN_ON_SCREEN;
   1491                 }
   1492             }
   1493             return true;
   1494         } catch (RuntimeException e) {
   1495             Slog.w(TAG, "Failure showing surface " + mSurfaceControl + " in " + mWin, e);
   1496         }
   1497 
   1498         mService.reclaimSomeSurfaceMemoryLocked(this, "show", true);
   1499 
   1500         return false;
   1501     }
   1502 
   1503     void applyEnterAnimationLocked() {
   1504         final int transit;
   1505         if (mEnterAnimationPending) {
   1506             mEnterAnimationPending = false;
   1507             transit = WindowManagerPolicy.TRANSIT_ENTER;
   1508         } else {
   1509             transit = WindowManagerPolicy.TRANSIT_SHOW;
   1510         }
   1511         applyAnimationLocked(transit, true);
   1512         //TODO (multidisplay): Magnification is supported only for the default display.
   1513         if (mService.mDisplayMagnifier != null
   1514                 && mWin.getDisplayId() == Display.DEFAULT_DISPLAY) {
   1515             mService.mDisplayMagnifier.onWindowTransitionLocked(mWin, transit);
   1516         }
   1517     }
   1518 
   1519     /**
   1520      * Choose the correct animation and set it to the passed WindowState.
   1521      * @param transit If AppTransition.TRANSIT_PREVIEW_DONE and the app window has been drawn
   1522      *      then the animation will be app_starting_exit. Any other value loads the animation from
   1523      *      the switch statement below.
   1524      * @param isEntrance The animation type the last time this was called. Used to keep from
   1525      *      loading the same animation twice.
   1526      * @return true if an animation has been loaded.
   1527      */
   1528     boolean applyAnimationLocked(int transit, boolean isEntrance) {
   1529         if (mLocalAnimating && mAnimationIsEntrance == isEntrance) {
   1530             // If we are trying to apply an animation, but already running
   1531             // an animation of the same type, then just leave that one alone.
   1532             return true;
   1533         }
   1534 
   1535         // Only apply an animation if the display isn't frozen.  If it is
   1536         // frozen, there is no reason to animate and it can cause strange
   1537         // artifacts when we unfreeze the display if some different animation
   1538         // is running.
   1539         if (mService.okToDisplay()) {
   1540             int anim = mPolicy.selectAnimationLw(mWin, transit);
   1541             int attr = -1;
   1542             Animation a = null;
   1543             if (anim != 0) {
   1544                 a = anim != -1 ? AnimationUtils.loadAnimation(mContext, anim) : null;
   1545             } else {
   1546                 switch (transit) {
   1547                     case WindowManagerPolicy.TRANSIT_ENTER:
   1548                         attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation;
   1549                         break;
   1550                     case WindowManagerPolicy.TRANSIT_EXIT:
   1551                         attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation;
   1552                         break;
   1553                     case WindowManagerPolicy.TRANSIT_SHOW:
   1554                         attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation;
   1555                         break;
   1556                     case WindowManagerPolicy.TRANSIT_HIDE:
   1557                         attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation;
   1558                         break;
   1559                 }
   1560                 if (attr >= 0) {
   1561                     a = mService.mAppTransition.loadAnimation(mWin.mAttrs, attr);
   1562                 }
   1563             }
   1564             if (WindowManagerService.DEBUG_ANIM) Slog.v(TAG,
   1565                     "applyAnimation: win=" + this
   1566                     + " anim=" + anim + " attr=0x" + Integer.toHexString(attr)
   1567                     + " a=" + a
   1568                     + " transit=" + transit
   1569                     + " isEntrance=" + isEntrance + " Callers " + Debug.getCallers(3));
   1570             if (a != null) {
   1571                 if (WindowManagerService.DEBUG_ANIM) {
   1572                     RuntimeException e = null;
   1573                     if (!WindowManagerService.HIDE_STACK_CRAWLS) {
   1574                         e = new RuntimeException();
   1575                         e.fillInStackTrace();
   1576                     }
   1577                     Slog.v(TAG, "Loaded animation " + a + " for " + this, e);
   1578                 }
   1579                 setAnimation(a);
   1580                 mAnimationIsEntrance = isEntrance;
   1581             }
   1582         } else {
   1583             clearAnimation();
   1584         }
   1585 
   1586         return mAnimation != null;
   1587     }
   1588 
   1589     public void dump(PrintWriter pw, String prefix, boolean dumpAll) {
   1590         if (mAnimating || mLocalAnimating || mAnimationIsEntrance
   1591                 || mAnimation != null) {
   1592             pw.print(prefix); pw.print("mAnimating="); pw.print(mAnimating);
   1593                     pw.print(" mLocalAnimating="); pw.print(mLocalAnimating);
   1594                     pw.print(" mAnimationIsEntrance="); pw.print(mAnimationIsEntrance);
   1595                     pw.print(" mAnimation="); pw.println(mAnimation);
   1596         }
   1597         if (mHasTransformation || mHasLocalTransformation) {
   1598             pw.print(prefix); pw.print("XForm: has=");
   1599                     pw.print(mHasTransformation);
   1600                     pw.print(" hasLocal="); pw.print(mHasLocalTransformation);
   1601                     pw.print(" "); mTransformation.printShortString(pw);
   1602                     pw.println();
   1603         }
   1604         if (mSurfaceControl != null) {
   1605             if (dumpAll) {
   1606                 pw.print(prefix); pw.print("mSurface="); pw.println(mSurfaceControl);
   1607                 pw.print(prefix); pw.print("mDrawState=");
   1608                 pw.print(drawStateToString(mDrawState));
   1609                 pw.print(" mLastHidden="); pw.println(mLastHidden);
   1610             }
   1611             pw.print(prefix); pw.print("Surface: shown="); pw.print(mSurfaceShown);
   1612                     pw.print(" layer="); pw.print(mSurfaceLayer);
   1613                     pw.print(" alpha="); pw.print(mSurfaceAlpha);
   1614                     pw.print(" rect=("); pw.print(mSurfaceX);
   1615                     pw.print(","); pw.print(mSurfaceY);
   1616                     pw.print(") "); pw.print(mSurfaceW);
   1617                     pw.print(" x "); pw.println(mSurfaceH);
   1618         }
   1619         if (mPendingDestroySurface != null) {
   1620             pw.print(prefix); pw.print("mPendingDestroySurface=");
   1621                     pw.println(mPendingDestroySurface);
   1622         }
   1623         if (mSurfaceResized || mSurfaceDestroyDeferred) {
   1624             pw.print(prefix); pw.print("mSurfaceResized="); pw.print(mSurfaceResized);
   1625                     pw.print(" mSurfaceDestroyDeferred="); pw.println(mSurfaceDestroyDeferred);
   1626         }
   1627         if (mWin.mAttrs.type == WindowManager.LayoutParams.TYPE_UNIVERSE_BACKGROUND) {
   1628             pw.print(prefix); pw.print("mUniverseTransform=");
   1629                     mUniverseTransform.printShortString(pw);
   1630                     pw.println();
   1631         }
   1632         if (mShownAlpha != 1 || mAlpha != 1 || mLastAlpha != 1) {
   1633             pw.print(prefix); pw.print("mShownAlpha="); pw.print(mShownAlpha);
   1634                     pw.print(" mAlpha="); pw.print(mAlpha);
   1635                     pw.print(" mLastAlpha="); pw.println(mLastAlpha);
   1636         }
   1637         if (mHaveMatrix || mWin.mGlobalScale != 1) {
   1638             pw.print(prefix); pw.print("mGlobalScale="); pw.print(mWin.mGlobalScale);
   1639                     pw.print(" mDsDx="); pw.print(mDsDx);
   1640                     pw.print(" mDtDx="); pw.print(mDtDx);
   1641                     pw.print(" mDsDy="); pw.print(mDsDy);
   1642                     pw.print(" mDtDy="); pw.println(mDtDy);
   1643         }
   1644     }
   1645 
   1646     @Override
   1647     public String toString() {
   1648         StringBuffer sb = new StringBuffer("WindowStateAnimator{");
   1649         sb.append(Integer.toHexString(System.identityHashCode(this)));
   1650         sb.append(' ');
   1651         sb.append(mWin.mAttrs.getTitle());
   1652         sb.append('}');
   1653         return sb.toString();
   1654     }
   1655 }
   1656