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AppWindowAnimator.javaAPI DocAndroid 5.1 API16443Thu Mar 12 22:22:42 GMT 2015com.android.server.wm

AppWindowAnimator

public class AppWindowAnimator extends Object

Fields Summary
static final String
TAG
final AppWindowToken
mAppToken
final WindowManagerService
mService
final WindowAnimator
mAnimator
boolean
animating
android.view.animation.Animation
animation
boolean
hasTransformation
final android.view.animation.Transformation
transformation
boolean
freezingScreen
int
lastFreezeDuration
How long we last kept the screen frozen.
int
animLayerAdjustment
boolean
allDrawn
android.view.SurfaceControl
thumbnail
int
thumbnailTransactionSeq
int
thumbnailX
int
thumbnailY
int
thumbnailLayer
int
thumbnailForceAboveLayer
android.view.animation.Animation
thumbnailAnimation
final android.view.animation.Transformation
thumbnailTransformation
boolean
deferThumbnailDestruction
boolean
deferFinalFrameCleanup
ArrayList
mAllAppWinAnimators
WindowStateAnimator from mAppAnimator.allAppWindows as of last performLayout
static final android.view.animation.Animation
sDummyAnimation
Constructors Summary
public AppWindowAnimator(AppWindowToken atoken)


        
        mAppToken = atoken;
        mService = atoken.service;
        mAnimator = atoken.mAnimator;
Methods Summary
public voidclearAnimation()

        if (animation != null) {
            animation = null;
            animating = true;
        }
        clearThumbnail();
        if (mAppToken.deferClearAllDrawn) {
            mAppToken.allDrawn = false;
            mAppToken.deferClearAllDrawn = false;
        }
public voidclearThumbnail()

        if (thumbnail != null) {
            thumbnail.destroy();
            thumbnail = null;
        }
        deferThumbnailDestruction = false;
voiddump(java.io.PrintWriter pw, java.lang.String prefix, boolean dumpAll)

        pw.print(prefix); pw.print("mAppToken="); pw.println(mAppToken);
        pw.print(prefix); pw.print("mAnimator="); pw.println(mAnimator);
        pw.print(prefix); pw.print("freezingScreen="); pw.print(freezingScreen);
                pw.print(" allDrawn="); pw.print(allDrawn);
                pw.print(" animLayerAdjustment="); pw.println(animLayerAdjustment);
        if (lastFreezeDuration != 0) {
            pw.print(prefix); pw.print("lastFreezeDuration=");
                    TimeUtils.formatDuration(lastFreezeDuration, pw); pw.println();
        }
        if (animating || animation != null) {
            pw.print(prefix); pw.print("animating="); pw.println(animating);
            pw.print(prefix); pw.print("animation="); pw.println(animation);
        }
        if (hasTransformation) {
            pw.print(prefix); pw.print("XForm: ");
                    transformation.printShortString(pw);
                    pw.println();
        }
        if (thumbnail != null) {
            pw.print(prefix); pw.print("thumbnail="); pw.print(thumbnail);
                    pw.print(" x="); pw.print(thumbnailX);
                    pw.print(" y="); pw.print(thumbnailY);
                    pw.print(" layer="); pw.println(thumbnailLayer);
            pw.print(prefix); pw.print("thumbnailAnimation="); pw.println(thumbnailAnimation);
            pw.print(prefix); pw.print("thumbnailTransformation=");
                    pw.println(thumbnailTransformation.toShortString());
        }
        for (int i=0; i<mAllAppWinAnimators.size(); i++) {
            WindowStateAnimator wanim = mAllAppWinAnimators.get(i);
            pw.print(prefix); pw.print("App Win Anim #"); pw.print(i);
                    pw.print(": "); pw.println(wanim);
        }
public voidsetAnimation(android.view.animation.Animation anim, int width, int height)

        if (WindowManagerService.localLOGV) Slog.v(TAG, "Setting animation in " + mAppToken
                + ": " + anim + " wxh=" + width + "x" + height
                + " isVisible=" + mAppToken.isVisible());
        animation = anim;
        animating = false;
        if (!anim.isInitialized()) {
            anim.initialize(width, height, width, height);
        }
        anim.restrictDuration(WindowManagerService.MAX_ANIMATION_DURATION);
        anim.scaleCurrentDuration(mService.getTransitionAnimationScaleLocked());
        int zorder = anim.getZAdjustment();
        int adj = 0;
        if (zorder == Animation.ZORDER_TOP) {
            adj = WindowManagerService.TYPE_LAYER_OFFSET;
        } else if (zorder == Animation.ZORDER_BOTTOM) {
            adj = -WindowManagerService.TYPE_LAYER_OFFSET;
        }

        if (animLayerAdjustment != adj) {
            animLayerAdjustment = adj;
            updateLayers();
        }
        // Start out animation gone if window is gone, or visible if window is visible.
        transformation.clear();
        transformation.setAlpha(mAppToken.isVisible() ? 1 : 0);
        hasTransformation = true;

        if (!mAppToken.appFullscreen) {
            anim.setBackgroundColor(0);
        }
public voidsetDummyAnimation()

        if (WindowManagerService.localLOGV) Slog.v(TAG, "Setting dummy animation in " + mAppToken
                + " isVisible=" + mAppToken.isVisible());
        animation = sDummyAnimation;
        hasTransformation = true;
        transformation.clear();
        transformation.setAlpha(mAppToken.isVisible() ? 1 : 0);
booleanshowAllWindowsLocked()

        boolean isAnimating = false;
        final int NW = mAllAppWinAnimators.size();
        for (int i=0; i<NW; i++) {
            WindowStateAnimator winAnimator = mAllAppWinAnimators.get(i);
            if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(TAG,
                    "performing show on: " + winAnimator);
            winAnimator.performShowLocked();
            isAnimating |= winAnimator.isAnimating();
        }
        return isAnimating;
private booleanstepAnimation(long currentTime)

        if (animation == null) {
            return false;
        }
        transformation.clear();
        boolean hasMoreFrames = animation.getTransformation(currentTime, transformation);
        if (!hasMoreFrames) {
            if (deferThumbnailDestruction && !deferFinalFrameCleanup) {
                // We are deferring the thumbnail destruction, so extend the animation for one more
                // (dummy) frame before we clean up
                deferFinalFrameCleanup = true;
                hasMoreFrames = true;
            } else {
                if (false && WindowManagerService.DEBUG_ANIM) Slog.v(
                        TAG, "Stepped animation in " + mAppToken + ": more=" + hasMoreFrames +
                                ", xform=" + transformation);
                deferFinalFrameCleanup = false;
                animation = null;
                clearThumbnail();
                if (WindowManagerService.DEBUG_ANIM) Slog.v(
                        TAG, "Finished animation in " + mAppToken + " @ " + currentTime);
            }
        }
        hasTransformation = hasMoreFrames;
        return hasMoreFrames;
booleanstepAnimationLocked(long currentTime)

        if (mService.okToDisplay()) {
            // We will run animations as long as the display isn't frozen.

            if (animation == sDummyAnimation) {
                // This guy is going to animate, but not yet.  For now count
                // it as not animating for purposes of scheduling transactions;
                // when it is really time to animate, this will be set to
                // a real animation and the next call will execute normally.
                return false;
            }

            if ((mAppToken.allDrawn || animating || mAppToken.startingDisplayed)
                    && animation != null) {
                if (!animating) {
                    if (WindowManagerService.DEBUG_ANIM) Slog.v(
                        TAG, "Starting animation in " + mAppToken +
                        " @ " + currentTime + " scale="
                        + mService.getTransitionAnimationScaleLocked()
                        + " allDrawn=" + mAppToken.allDrawn + " animating=" + animating);
                    animation.setStartTime(currentTime);
                    animating = true;
                    if (thumbnail != null) {
                        thumbnail.show();
                        thumbnailAnimation.setStartTime(currentTime);
                    }
                }
                if (stepAnimation(currentTime)) {
                    // animation isn't over, step any thumbnail and that's
                    // it for now.
                    if (thumbnail != null) {
                        stepThumbnailAnimation(currentTime);
                    }
                    return true;
                }
            }
        } else if (animation != null) {
            // If the display is frozen, and there is a pending animation,
            // clear it and make sure we run the cleanup code.
            animating = true;
            animation = null;
        }

        hasTransformation = false;

        if (!animating && animation == null) {
            return false;
        }

        mAnimator.setAppLayoutChanges(this, WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM,
                "AppWindowToken");

        clearAnimation();
        animating = false;
        if (animLayerAdjustment != 0) {
            animLayerAdjustment = 0;
            updateLayers();
        }
        if (mService.mInputMethodTarget != null
                && mService.mInputMethodTarget.mAppToken == mAppToken) {
            mService.moveInputMethodWindowsIfNeededLocked(true);
        }

        if (WindowManagerService.DEBUG_ANIM) Slog.v(
                TAG, "Animation done in " + mAppToken
                + ": reportedVisible=" + mAppToken.reportedVisible);

        transformation.clear();

        final int numAllAppWinAnimators = mAllAppWinAnimators.size();
        for (int i = 0; i < numAllAppWinAnimators; i++) {
            mAllAppWinAnimators.get(i).finishExit();
        }
        if (mAppToken.mLaunchTaskBehind) {
            try {
                mService.mActivityManager.notifyLaunchTaskBehindComplete(mAppToken.token);
            } catch (RemoteException e) {
            }
            mAppToken.mLaunchTaskBehind = false;
        } else {
            mAppToken.updateReportedVisibilityLocked();
            if (mAppToken.mEnteringAnimation) {
                mAppToken.mEnteringAnimation = false;
                try {
                    mService.mActivityManager.notifyEnterAnimationComplete(mAppToken.token);
                } catch (RemoteException e) {
                }
            }
        }

        return false;
private voidstepThumbnailAnimation(long currentTime)

        thumbnailTransformation.clear();
        thumbnailAnimation.getTransformation(currentTime, thumbnailTransformation);
        thumbnailTransformation.getMatrix().preTranslate(thumbnailX, thumbnailY);

        ScreenRotationAnimation screenRotationAnimation =
                mAnimator.getScreenRotationAnimationLocked(Display.DEFAULT_DISPLAY);
        final boolean screenAnimation = screenRotationAnimation != null
                && screenRotationAnimation.isAnimating();
        if (screenAnimation) {
            thumbnailTransformation.postCompose(screenRotationAnimation.getEnterTransformation());
        }
        // cache often used attributes locally
        final float tmpFloats[] = mService.mTmpFloats;
        thumbnailTransformation.getMatrix().getValues(tmpFloats);
        if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(thumbnail,
                "thumbnail", "POS " + tmpFloats[Matrix.MTRANS_X]
                + ", " + tmpFloats[Matrix.MTRANS_Y], null);
        thumbnail.setPosition(tmpFloats[Matrix.MTRANS_X], tmpFloats[Matrix.MTRANS_Y]);
        if (WindowManagerService.SHOW_TRANSACTIONS) WindowManagerService.logSurface(thumbnail,
                "thumbnail", "alpha=" + thumbnailTransformation.getAlpha()
                + " layer=" + thumbnailLayer
                + " matrix=[" + tmpFloats[Matrix.MSCALE_X]
                + "," + tmpFloats[Matrix.MSKEW_Y]
                + "][" + tmpFloats[Matrix.MSKEW_X]
                + "," + tmpFloats[Matrix.MSCALE_Y] + "]", null);
        thumbnail.setAlpha(thumbnailTransformation.getAlpha());
        if (thumbnailForceAboveLayer > 0) {
            thumbnail.setLayer(thumbnailForceAboveLayer + 1);
        } else {
            // The thumbnail is layered below the window immediately above this
            // token's anim layer.
            thumbnail.setLayer(thumbnailLayer + WindowManagerService.WINDOW_LAYER_MULTIPLIER
                    - WindowManagerService.LAYER_OFFSET_THUMBNAIL);
        }
        thumbnail.setMatrix(tmpFloats[Matrix.MSCALE_X], tmpFloats[Matrix.MSKEW_Y],
                tmpFloats[Matrix.MSKEW_X], tmpFloats[Matrix.MSCALE_Y]);
voidupdateLayers()

        final int N = mAppToken.allAppWindows.size();
        final int adj = animLayerAdjustment;
        thumbnailLayer = -1;
        for (int i=0; i<N; i++) {
            final WindowState w = mAppToken.allAppWindows.get(i);
            final WindowStateAnimator winAnimator = w.mWinAnimator;
            winAnimator.mAnimLayer = w.mLayer + adj;
            if (winAnimator.mAnimLayer > thumbnailLayer) {
                thumbnailLayer = winAnimator.mAnimLayer;
            }
            if (WindowManagerService.DEBUG_LAYERS) Slog.v(TAG, "Updating layer " + w + ": "
                    + winAnimator.mAnimLayer);
            if (w == mService.mInputMethodTarget && !mService.mInputMethodTargetWaitingAnim) {
                mService.setInputMethodAnimLayerAdjustment(adj);
            }
            if (w == mService.mWallpaperTarget && mService.mLowerWallpaperTarget == null) {
                mService.setWallpaperAnimLayerAdjustmentLocked(adj);
            }
        }