Adding support for clipping window transition for alternate recents. (399f6205) · Commits · e / os / android_frameworks_base

core/java/android/view/animation/ClipRectAnimation.java

0 → 100644

+59 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2014 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.view.animation;

		import android.graphics.Rect;

		/**
		* An animation that controls the clip of an object. See the
		* {@link android.view.animation full package} description for details and
		* sample code.
		*
		* @hide
		*/
		public class ClipRectAnimation extends Animation {
		private Rect mFromRect = new Rect();
		private Rect mToRect = new Rect();

		/**
		* Constructor to use when building a ClipRectAnimation from code
		*
		* @param fromClip the clip rect to animate from
		* @param toClip the clip rect to animate to
		*/
		public ClipRectAnimation(Rect fromClip, Rect toClip) {
		if (fromClip == null \|\| toClip == null) {
		throw new RuntimeException("Expected non-null animation clip rects");
		}
		mFromRect.set(fromClip);
		mToRect.set(toClip);
		}

		@Override
		protected void applyTransformation(float it, Transformation tr) {
		int l = mFromRect.left + (int) ((mToRect.left - mFromRect.left) * it);
		int t = mFromRect.top + (int) ((mToRect.top - mFromRect.top) * it);
		int r = mFromRect.right + (int) ((mToRect.right - mFromRect.right) * it);
		int b = mFromRect.bottom + (int) ((mToRect.bottom - mFromRect.bottom) * it);
		tr.setClipRect(l, t, r, b);
		}

		@Override
		public boolean willChangeTransformationMatrix() {
		return false;
		}
		}

core/java/android/view/animation/Transformation.java

+52 −1

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package android.view.animation;

		import android.graphics.Matrix;
		import android.graphics.Rect;

		import java.io.PrintWriter;

		@@ -47,6 +48,9 @@ public class Transformation {
		protected float mAlpha;
		protected int mTransformationType;

		private boolean mHasClipRect;
		private Rect mClipRect = new Rect();

		/**
		* Creates a new transformation with alpha = 1 and the identity matrix.
		*/
		@@ -65,6 +69,8 @@ public class Transformation {
		} else {
		mMatrix.reset();
		}
		mClipRect.setEmpty();
		mHasClipRect = false;
		mAlpha = 1.0f;
		mTransformationType = TYPE_BOTH;
		}
		@@ -98,6 +104,12 @@ public class Transformation {
		public void set(Transformation t) {
		mAlpha = t.getAlpha();
		mMatrix.set(t.getMatrix());
		if (t.mHasClipRect) {
		setClipRect(t.getClipRect());
		} else {
		mHasClipRect = false;
		mClipRect.setEmpty();
		}
		mTransformationType = t.getTransformationType();
		}

		@@ -109,6 +121,9 @@ public class Transformation {
		public void compose(Transformation t) {
		mAlpha *= t.getAlpha();
		mMatrix.preConcat(t.getMatrix());
		if (t.mHasClipRect) {
		setClipRect(t.getClipRect());
		}
		}

		/**
		@@ -119,6 +134,9 @@ public class Transformation {
		public void postCompose(Transformation t) {
		mAlpha *= t.getAlpha();
		mMatrix.postConcat(t.getMatrix());
		if (t.mHasClipRect) {
		setClipRect(t.getClipRect());
		}
		}

		/**
		@@ -137,6 +155,39 @@ public class Transformation {
		mAlpha = alpha;
		}

		/**
		* Sets the current Transform's clip rect
		* @hide
		*/
		public void setClipRect(Rect r) {
		setClipRect(r.left, r.top, r.right, r.bottom);
		}

		/**
		* Sets the current Transform's clip rect
		* @hide
		*/
		public void setClipRect(int l, int t, int r, int b) {
		mClipRect.set(l, t, r, b);
		mHasClipRect = true;
		}

		/**
		* Returns the current Transform's clip rect
		* @hide
		*/
		public Rect getClipRect() {
		return mClipRect;
		}

		/**
		* Returns whether the current Transform's clip rect is set
		* @hide
		*/
		public boolean hasClipRect() {
		return mHasClipRect;
		}

		/**
		* @return The degree of transparency
		*/

services/core/java/com/android/server/wm/AppTransition.java

+218 −54

Original line number	Diff line number	Diff line
		@@ -19,18 +19,22 @@ package com.android.server.wm;
		import android.content.Context;
		import android.graphics.Bitmap;
		import android.graphics.Point;
		import android.graphics.Rect;
		import android.os.Debug;
		import android.os.Handler;
		import android.os.IRemoteCallback;
		import android.os.SystemProperties;
		import android.util.Slog;
		import android.view.WindowManager;
		import android.view.animation.AlphaAnimation;
		import android.view.animation.Animation;
		import android.view.animation.AnimationSet;
		import android.view.animation.AnimationUtils;
		import android.view.animation.ClipRectAnimation;
		import android.view.animation.Interpolator;
		import android.view.animation.ScaleAnimation;

		import android.view.animation.TranslateAnimation;
		import com.android.internal.util.DumpUtils.Dump;
		import com.android.server.AttributeCache;
		import com.android.server.wm.WindowManagerService.H;
		@@ -125,6 +129,12 @@ public class AppTransition implements Dump {
		private static final int NEXT_TRANSIT_TYPE_THUMBNAIL_SCALE_DOWN = 4;
		private int mNextAppTransitionType = NEXT_TRANSIT_TYPE_NONE;

		// These are the possible states for the enter/exit activities during a thumbnail transition
		private static final int THUMBNAIL_TRANSITION_ENTER_SCALE_UP = 0;
		private static final int THUMBNAIL_TRANSITION_EXIT_SCALE_UP = 1;
		private static final int THUMBNAIL_TRANSITION_ENTER_SCALE_DOWN = 2;
		private static final int THUMBNAIL_TRANSITION_EXIT_SCALE_DOWN = 3;

		private String mNextAppTransitionPackage;
		private Bitmap mNextAppTransitionThumbnail;
		// Used for thumbnail transitions. True if we're scaling up, false if scaling down
		@@ -148,10 +158,13 @@ public class AppTransition implements Dump {
		private final Interpolator mThumbnailFadeoutInterpolator;

		private int mCurrentUserId = 0;
		private boolean mUseAlternateThumbnailAnimation;

		AppTransition(Context context, Handler h) {
		mContext = context;
		mH = h;
		mUseAlternateThumbnailAnimation =
		SystemProperties.getBoolean("persist.anim.use_alt_thumbnail", false);
		mConfigShortAnimTime = context.getResources().getInteger(
		com.android.internal.R.integer.config_shortAnimTime);
		mDecelerateInterpolator = AnimationUtils.loadInterpolator(context,
		@@ -384,17 +397,62 @@ public class AppTransition implements Dump {
		return a;
		}

		Animation createThumbnailAnimationLocked(int transit, boolean enter, boolean thumb,
		int appWidth, int appHeight) {
		/**
		* Prepares the specified animation with a standard duration, interpolator, etc.
		*/
		Animation prepareThumbnailAnimation(Animation a, int appWidth, int appHeight, int transit) {
		// Pick the desired duration. If this is an inter-activity transition,
		// it is the standard duration for that. Otherwise we use the longer
		// task transition duration.
		final long duration;
		switch (transit) {
		case TRANSIT_ACTIVITY_OPEN:
		case TRANSIT_ACTIVITY_CLOSE:
		duration = mConfigShortAnimTime;
		break;
		default:
		duration = DEFAULT_APP_TRANSITION_DURATION;
		break;
		}
		a.setDuration(duration);
		a.setFillAfter(true);
		a.setInterpolator(mDecelerateInterpolator);
		a.initialize(appWidth, appHeight, appWidth, appHeight);
		return a;
		}

		/**
		* Return the current thumbnail transition state.
		*/
		int getThumbnailTransitionState(boolean enter) {
		if (enter) {
		if (mNextAppTransitionScaleUp) {
		return THUMBNAIL_TRANSITION_ENTER_SCALE_UP;
		} else {
		return THUMBNAIL_TRANSITION_ENTER_SCALE_DOWN;
		}
		} else {
		if (mNextAppTransitionScaleUp) {
		return THUMBNAIL_TRANSITION_EXIT_SCALE_UP;
		} else {
		return THUMBNAIL_TRANSITION_EXIT_SCALE_DOWN;
		}
		}
		}

		/**
		* This animation runs for the thumbnail that gets cross faded with the enter/exit activity
		* when a thumbnail is specified with the activity options.
		*/
		Animation createThumbnailScaleAnimationLocked(int appWidth, int appHeight, int transit) {
		Animation a;
		final int thumbWidthI = mNextAppTransitionThumbnail.getWidth();
		final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
		final int thumbHeightI = mNextAppTransitionThumbnail.getHeight();
		final float thumbHeight = thumbHeightI > 0 ? thumbHeightI : 1;
		if (thumb) {
		// Animation for zooming thumbnail from its initial size to
		// filling the screen.

		if (mNextAppTransitionScaleUp) {
		// Animation for the thumbnail zooming from its initial size to the full screen
		float scaleW = appWidth / thumbWidth;
		float scaleH = appHeight / thumbHeight;
		Animation scale = new ScaleAnimation(1, scaleW, 1, scaleH,
		@@ -411,27 +469,131 @@ public class AppTransition implements Dump {
		set.addAnimation(alpha);
		a = set;
		} else {
		// Animation for the thumbnail zooming down from the full screen to its final size
		float scaleW = appWidth / thumbWidth;
		float scaleH = appHeight / thumbHeight;
		a = new ScaleAnimation(scaleW, 1, scaleH, 1,
		computePivot(mNextAppTransitionStartX, 1 / scaleW),
		computePivot(mNextAppTransitionStartY, 1 / scaleH));
		}
		} else if (enter) {
		// Entering app zooms out from the center of the thumbnail.
		if (mNextAppTransitionScaleUp) {

		return prepareThumbnailAnimation(a, appWidth, appHeight, transit);
		}

		/**
		* This alternate animation is created when we are doing a thumbnail transition, for the
		* activity that is leaving, and the activity that is entering.
		*/
		Animation createAlternateThumbnailEnterExitAnimationLocked(int thumbTransitState, int appWidth,
		int appHeight, int transit,
		Rect containingFrame, Rect contentInsets) {
		Animation a;
		final int thumbWidthI = mNextAppTransitionThumbnail.getWidth();
		final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
		final int thumbHeightI = mNextAppTransitionThumbnail.getHeight();
		final float thumbHeight = thumbHeightI > 0 ? thumbHeightI : 1;

		switch (thumbTransitState) {
		case THUMBNAIL_TRANSITION_ENTER_SCALE_UP: {
		// Entering app scales up with the thumbnail
		float scale = thumbWidth / appWidth;
		int unscaledThumbHeight = (int) (thumbHeight / scale);
		int scaledTopDecor = (int) (scale * contentInsets.top);
		Rect fromClipRect = new Rect(containingFrame);
		fromClipRect.bottom = (fromClipRect.top + unscaledThumbHeight);
		Rect toClipRect = new Rect(containingFrame);

		Animation scaleAnim = new ScaleAnimation(scale, 1, scale, 1,
		computePivot(mNextAppTransitionStartX, scale),
		computePivot(mNextAppTransitionStartY, scale));
		Animation alphaAnim = new AlphaAnimation(1, 1);
		Animation clipAnim = new ClipRectAnimation(fromClipRect, toClipRect);
		Animation translateAnim = new TranslateAnimation(0, 0, -scaledTopDecor, 0);

		AnimationSet set = new AnimationSet(true);
		set.addAnimation(alphaAnim);
		set.addAnimation(clipAnim);
		set.addAnimation(scaleAnim);
		set.addAnimation(translateAnim);
		a = set;
		break;
		}
		case THUMBNAIL_TRANSITION_EXIT_SCALE_UP: {
		// Exiting app while the thumbnail is scaling up should fade
		if (transit == TRANSIT_WALLPAPER_INTRA_OPEN) {
		// Fade out while bringing up selected activity. This keeps the
		// current activity from showing through a launching wallpaper
		// activity.
		a = new AlphaAnimation(1, 0);
		} else {
		// noop animation
		a = new AlphaAnimation(1, 1);
		}
		break;
		}
		case THUMBNAIL_TRANSITION_ENTER_SCALE_DOWN: {
		// Entering the other app, it should just be visible while we scale the thumbnail
		// down above it
		a = new AlphaAnimation(1, 1);
		break;
		}
		case THUMBNAIL_TRANSITION_EXIT_SCALE_DOWN: {
		// Exiting the current app, the app should scale down with the thumbnail
		float scale = thumbWidth / appWidth;
		int unscaledThumbHeight = (int) (thumbHeight / scale);
		int scaledTopDecor = (int) (scale * contentInsets.top);
		Rect fromClipRect = new Rect(containingFrame);
		Rect toClipRect = new Rect(containingFrame);
		toClipRect.bottom = (toClipRect.top + unscaledThumbHeight);

		Animation scaleAnim = new ScaleAnimation(1, scale, 1, scale,
		computePivot(mNextAppTransitionStartX, scale),
		computePivot(mNextAppTransitionStartY, scale));
		Animation alphaAnim = new AlphaAnimation(1, 1);
		Animation clipAnim = new ClipRectAnimation(fromClipRect, toClipRect);
		Animation translateAnim = new TranslateAnimation(0, 0, 0, -scaledTopDecor);

		AnimationSet set = new AnimationSet(true);
		set.addAnimation(alphaAnim);
		set.addAnimation(clipAnim);
		set.addAnimation(scaleAnim);
		set.addAnimation(translateAnim);

		a = set;
		a.setZAdjustment(Animation.ZORDER_TOP);
		break;
		}
		default:
		throw new RuntimeException("Invalid thumbnail transition state");
		}

		return prepareThumbnailAnimation(a, appWidth, appHeight, transit);
		}

		/**
		* This animation is created when we are doing a thumbnail transition, for the activity that is
		* leaving, and the activity that is entering.
		*/
		Animation createThumbnailEnterExitAnimationLocked(int thumbTransitState, int appWidth,
		int appHeight, int transit) {
		Animation a;
		final int thumbWidthI = mNextAppTransitionThumbnail.getWidth();
		final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
		final int thumbHeightI = mNextAppTransitionThumbnail.getHeight();
		final float thumbHeight = thumbHeightI > 0 ? thumbHeightI : 1;

		switch (thumbTransitState) {
		case THUMBNAIL_TRANSITION_ENTER_SCALE_UP: {
		// Entering app scales up with the thumbnail
		float scaleW = thumbWidth / appWidth;
		float scaleH = thumbHeight / appHeight;
		a = new ScaleAnimation(scaleW, 1, scaleH, 1,
		computePivot(mNextAppTransitionStartX, scaleW),
		computePivot(mNextAppTransitionStartY, scaleH));
		} else {
		// noop animation
		a = new AlphaAnimation(1, 1);
		break;
		}
		} else {
		// Exiting app
		if (mNextAppTransitionScaleUp) {
		case THUMBNAIL_TRANSITION_EXIT_SCALE_UP: {
		// Exiting app while the thumbnail is scaling up should fade or stay in place
		if (transit == TRANSIT_WALLPAPER_INTRA_OPEN) {
		// Fade out while bringing up selected activity. This keeps the
		// current activity from showing through a launching wallpaper
		@@ -441,7 +603,16 @@ public class AppTransition implements Dump {
		// noop animation
		a = new AlphaAnimation(1, 1);
		}
		} else {
		break;
		}
		case THUMBNAIL_TRANSITION_ENTER_SCALE_DOWN: {
		// Entering the other app, it should just be visible while we scale the thumbnail
		// down above it
		a = new AlphaAnimation(1, 1);
		break;
		}
		case THUMBNAIL_TRANSITION_EXIT_SCALE_DOWN: {
		// Exiting the current app, the app should scale down with the thumbnail
		float scaleW = thumbWidth / appWidth;
		float scaleH = thumbHeight / appHeight;
		Animation scale = new ScaleAnimation(1, scaleW, 1, scaleH,
		@@ -455,32 +626,18 @@ public class AppTransition implements Dump {
		set.addAnimation(alpha);
		set.setZAdjustment(Animation.ZORDER_TOP);
		a = set;
		}
		}

		// Pick the desired duration. If this is an inter-activity transition,
		// it is the standard duration for that. Otherwise we use the longer
		// task transition duration.
		final long duration;
		switch (transit) {
		case TRANSIT_ACTIVITY_OPEN:
		case TRANSIT_ACTIVITY_CLOSE:
		duration = mConfigShortAnimTime;
		break;
		}
		default:
		duration = DEFAULT_APP_TRANSITION_DURATION;
		break;
		throw new RuntimeException("Invalid thumbnail transition state");
		}
		a.setDuration(duration);
		a.setFillAfter(true);
		a.setInterpolator(mDecelerateInterpolator);
		a.initialize(appWidth, appHeight, appWidth, appHeight);
		return a;

		return prepareThumbnailAnimation(a, appWidth, appHeight, transit);
		}


		Animation loadAnimation(WindowManager.LayoutParams lp, int transit, boolean enter,
		int appWidth, int appHeight) {
		int appWidth, int appHeight, Rect containingFrame, Rect contentInsets) {
		Animation a;
		if (mNextAppTransitionType == NEXT_TRANSIT_TYPE_CUSTOM) {
		a = loadAnimation(mNextAppTransitionPackage, enter ?
		@@ -501,7 +658,14 @@ public class AppTransition implements Dump {
		mNextAppTransitionType == NEXT_TRANSIT_TYPE_THUMBNAIL_SCALE_DOWN) {
		mNextAppTransitionScaleUp =
		(mNextAppTransitionType == NEXT_TRANSIT_TYPE_THUMBNAIL_SCALE_UP);
		a = createThumbnailAnimationLocked(transit, enter, false, appWidth, appHeight);
		if (mUseAlternateThumbnailAnimation) {
		a = createAlternateThumbnailEnterExitAnimationLocked(
		getThumbnailTransitionState(enter), appWidth, appHeight, transit,
		containingFrame, contentInsets);
		} else {
		a = createThumbnailEnterExitAnimationLocked(getThumbnailTransitionState(enter),
		appWidth, appHeight, transit);
		}
		if (DEBUG_APP_TRANSITIONS \|\| DEBUG_ANIM) {
		String animName = mNextAppTransitionScaleUp ?
		"ANIM_THUMBNAIL_SCALE_UP" : "ANIM_THUMBNAIL_SCALE_DOWN";

services/core/java/com/android/server/wm/WindowManagerService.java

+22 −5

Original line number	Diff line number	Diff line
		@@ -3235,7 +3235,22 @@ public class WindowManagerService extends IWindowManager.Stub
		final int height = displayInfo.appHeight;
		if (DEBUG_APP_TRANSITIONS \|\| DEBUG_ANIM) Slog.v(TAG, "applyAnimation: atoken="
		+ atoken);
		Animation a = mAppTransition.loadAnimation(lp, transit, enter, width, height);

		// Determine the visible rect to calculate the thumbnail clip
		WindowState win = atoken.findMainWindow();
		Rect containingFrame = new Rect(0, 0, width, height);
		Rect contentInsets = new Rect();
		if (win != null) {
		if (win.mContainingFrame != null) {
		containingFrame.set(win.mContainingFrame);
		}
		if (win.mContentInsets != null) {
		contentInsets.set(win.mContentInsets);
		}
		}

		Animation a = mAppTransition.loadAnimation(lp, transit, enter, width, height,
		containingFrame, contentInsets);
		if (a != null) {
		if (DEBUG_ANIM) {
		RuntimeException e = null;
		@@ -8716,11 +8731,13 @@ public class WindowManagerService extends IWindowManager.Stub
		wtoken.deferClearAllDrawn = false;
		}

		boolean useAlternateThumbnailAnimation =
		SystemProperties.getBoolean("persist.anim.use_alt_thumbnail", false);
		AppWindowAnimator appAnimator =
		topOpeningApp == null ? null : topOpeningApp.mAppAnimator;
		Bitmap nextAppTransitionThumbnail = mAppTransition.getNextAppTransitionThumbnail();
		if (nextAppTransitionThumbnail != null && appAnimator != null
		&& appAnimator.animation != null) {
		if (!useAlternateThumbnailAnimation && nextAppTransitionThumbnail != null
		&& appAnimator != null && appAnimator.animation != null) {
		// This thumbnail animation is very special, we need to have
		// an extra surface with the thumbnail included with the animation.
		Rect dirty = new Rect(0, 0, nextAppTransitionThumbnail.getWidth(),
		@@ -8744,8 +8761,8 @@ public class WindowManagerService extends IWindowManager.Stub
		drawSurface.release();
		appAnimator.thumbnailLayer = topOpeningLayer;
		DisplayInfo displayInfo = getDefaultDisplayInfoLocked();
		Animation anim = mAppTransition.createThumbnailAnimationLocked(
		transit, true, true, displayInfo.appWidth, displayInfo.appHeight);
		Animation anim = mAppTransition.createThumbnailScaleAnimationLocked(
		displayInfo.appWidth, displayInfo.appHeight, transit);
		appAnimator.thumbnailAnimation = anim;
		anim.restrictDuration(MAX_ANIMATION_DURATION);
		anim.scaleCurrentDuration(mTransitionAnimationScale);

services/core/java/com/android/server/wm/WindowStateAnimator.java

+32 −7

Original line number	Diff line number	Diff line
		@@ -113,6 +113,11 @@ class WindowStateAnimator {
		float mAlpha = 0;
		float mLastAlpha = 0;

		boolean mHasClipRect;
		Rect mClipRect = new Rect();
		Rect mTmpClipRect = new Rect();
		Rect mLastClipRect = new Rect();

		// Used to save animation distances between the time they are calculated and when they are
		// used.
		int mAnimDw;
		@@ -951,6 +956,7 @@ class WindowStateAnimator {
		if (screenAnimation) {
		tmpMatrix.postConcat(screenRotationAnimation.getEnterTransformation().getMatrix());
		}

		//TODO (multidisplay): Magnification is supported only for the default display.
		if (mService.mDisplayMagnifier != null && displayId == Display.DEFAULT_DISPLAY) {
		MagnificationSpec spec = mService.mDisplayMagnifier
		@@ -985,6 +991,7 @@ class WindowStateAnimator {
		// transforming since it is more important to have that
		// animation be smooth.
		mShownAlpha = mAlpha;
		mHasClipRect = false;
		if (!mService.mLimitedAlphaCompositing
		\|\| (!PixelFormat.formatHasAlpha(mWin.mAttrs.format)
		\|\| (mWin.isIdentityMatrix(mDsDx, mDtDx, mDsDy, mDtDy)
		@@ -998,6 +1005,10 @@ class WindowStateAnimator {
		}
		if (appTransformation != null) {
		mShownAlpha *= appTransformation.getAlpha();
		if (appTransformation.hasClipRect()) {
		mClipRect.set(appTransformation.getClipRect());
		mHasClipRect = true;
		}
		}
		if (mAnimator.mUniverseBackground != null) {
		mShownAlpha *= mAnimator.mUniverseBackground.mUniverseTransform.getAlpha();
		@@ -1149,15 +1160,29 @@ class WindowStateAnimator {
		applyDecorRect(w.mDecorFrame);
		}

		if (!w.mSystemDecorRect.equals(w.mLastSystemDecorRect)) {
		w.mLastSystemDecorRect.set(w.mSystemDecorRect);
		// By default, the clip rect is the system decor rect
		Rect clipRect = w.mSystemDecorRect;
		if (mHasClipRect) {

		// If we have an animated clip rect, intersect it with the system decor rect
		int offsetTop = w.mSystemDecorRect.top;
		mTmpClipRect.set(w.mSystemDecorRect);
		mTmpClipRect.offset(0, -offsetTop);
		mTmpClipRect.intersect(mClipRect);
		mTmpClipRect.offset(0, offsetTop);
		clipRect = mTmpClipRect;

		}

		if (!clipRect.equals(mLastClipRect)) {
		mLastClipRect.set(clipRect);
		try {
		if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(w,
		"CROP " + w.mSystemDecorRect.toShortString(), null);
		mSurfaceControl.setWindowCrop(w.mSystemDecorRect);
		"CROP " + clipRect.toShortString(), null);
		mSurfaceControl.setWindowCrop(clipRect);
		} catch (RuntimeException e) {
		Slog.w(TAG, "Error setting crop surface of " + w
		+ " crop=" + w.mSystemDecorRect.toShortString(), e);
		+ " crop=" + clipRect.toShortString(), e);
		if (!recoveringMemory) {
		mService.reclaimSomeSurfaceMemoryLocked(this, "crop", true);
		}