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