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/*
* Copyright (C) 2010 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 com.android.server.wm;
import java.io.PrintWriter;
import android.content.Context;
import android.graphics.Matrix;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.util.Slog;
import android.view.Surface;
import android.view.SurfaceSession;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.Transformation;
class ScreenRotationAnimation implements WindowManagerService.StepAnimator {
static final String TAG = "ScreenRotationAnimation";
static final boolean DEBUG_STATE = false;
static final boolean DEBUG_TRANSFORMS = false;
static final int FREEZE_LAYER = WindowManagerService.TYPE_LAYER_MULTIPLIER * 200;
final Context mContext;
Surface mSurface;
BlackFrame mBlackFrame;
int mWidth, mHeight;
int mSnapshotRotation;
int mSnapshotDeltaRotation;
int mOriginalRotation;
int mOriginalWidth, mOriginalHeight;
int mCurRotation;
// For all animations, "exit" is for the UI elements that are going
// away (that is the snapshot of the old screen), and "enter" is for
// the new UI elements that are appearing (that is the active windows
// in their final orientation).
// The starting animation for the exiting and entering elements. This
// animation applies a transformation while the rotation is in progress.
// It is started immediately, before the new entering UI is ready.
Animation mStartExitAnimation;
final Transformation mStartExitTransformation = new Transformation();
Animation mStartEnterAnimation;
final Transformation mStartEnterTransformation = new Transformation();
// The finishing animation for the exiting and entering elements. This
// animation needs to undo the transformation of the starting animation.
// It starts running once the new rotation UI elements are ready to be
// displayed.
Animation mFinishExitAnimation;
final Transformation mFinishExitTransformation = new Transformation();
Animation mFinishEnterAnimation;
final Transformation mFinishEnterTransformation = new Transformation();
// The current active animation to move from the old to the new rotated
// state. Which animation is run here will depend on the old and new
// rotations.
Animation mRotateExitAnimation;
final Transformation mRotateExitTransformation = new Transformation();
Animation mRotateEnterAnimation;
final Transformation mRotateEnterTransformation = new Transformation();
// A previously running rotate animation. This will be used if we need
// to switch to a new rotation before finishing the previous one.
Animation mLastRotateExitAnimation;
final Transformation mLastRotateExitTransformation = new Transformation();
Animation mLastRotateEnterAnimation;
final Transformation mLastRotateEnterTransformation = new Transformation();
// Complete transformations being applied.
final Transformation mExitTransformation = new Transformation();
final Transformation mEnterTransformation = new Transformation();
boolean mStarted;
boolean mAnimRunning;
boolean mFinishAnimReady;
long mFinishAnimStartTime;
final Matrix mSnapshotInitialMatrix = new Matrix();
final Matrix mSnapshotFinalMatrix = new Matrix();
final Matrix mTmpMatrix = new Matrix();
final float[] mTmpFloats = new float[9];
private boolean mMoreRotateEnter;
private boolean mMoreRotateExit;
private boolean mMoreFinishEnter;
private boolean mMoreFinishExit;
private boolean mMoreStartEnter;
private boolean mMoreStartExit;
public void printTo(String prefix, PrintWriter pw) {
pw.print(prefix); pw.print("mSurface="); pw.print(mSurface);
pw.print(" mWidth="); pw.print(mWidth);
pw.print(" mHeight="); pw.println(mHeight);
pw.print(prefix); pw.print("mBlackFrame="); pw.println(mBlackFrame);
pw.print(prefix); pw.print("mSnapshotRotation="); pw.print(mSnapshotRotation);
pw.print(" mSnapshotDeltaRotation="); pw.print(mSnapshotDeltaRotation);
pw.print(" mCurRotation="); pw.println(mCurRotation);
pw.print(prefix); pw.print("mOriginalRotation="); pw.print(mOriginalRotation);
pw.print(" mOriginalWidth="); pw.print(mOriginalWidth);
pw.print(" mOriginalHeight="); pw.println(mOriginalHeight);
pw.print(prefix); pw.print("mStarted="); pw.print(mStarted);
pw.print(" mAnimRunning="); pw.print(mAnimRunning);
pw.print(" mFinishAnimReady="); pw.print(mFinishAnimReady);
pw.print(" mFinishAnimStartTime="); pw.println(mFinishAnimStartTime);
pw.print(prefix); pw.print("mStartExitAnimation="); pw.print(mStartExitAnimation);
pw.print(" "); mStartExitTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mStartEnterAnimation="); pw.print(mStartEnterAnimation);
pw.print(" "); mStartEnterTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mFinishExitAnimation="); pw.print(mFinishExitAnimation);
pw.print(" "); mFinishExitTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mFinishEnterAnimation="); pw.print(mFinishEnterAnimation);
pw.print(" "); mFinishEnterTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mRotateExitAnimation="); pw.print(mRotateExitAnimation);
pw.print(" "); mRotateExitTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mRotateEnterAnimation="); pw.print(mRotateEnterAnimation);
pw.print(" "); mRotateEnterTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mLastRotateExitAnimation=");
pw.print(mLastRotateExitAnimation);
pw.print(" "); mLastRotateExitTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mExitTransformation=");
mExitTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mEnterTransformation=");
mEnterTransformation.printShortString(pw); pw.println();
pw.print(prefix); pw.print("mSnapshotInitialMatrix=");
mSnapshotInitialMatrix.printShortString(pw);
pw.print(" mSnapshotFinalMatrix="); mSnapshotFinalMatrix.printShortString(pw);
pw.println();
}
public ScreenRotationAnimation(Context context, SurfaceSession session,
boolean inTransaction, int originalWidth, int originalHeight, int originalRotation) {
mContext = context;
// Screenshot does NOT include rotation!
mSnapshotRotation = 0;
if (originalRotation == Surface.ROTATION_90
|| originalRotation == Surface.ROTATION_270) {
mWidth = originalHeight;
mHeight = originalWidth;
} else {
mWidth = originalWidth;
mHeight = originalHeight;
}
mOriginalRotation = originalRotation;
mOriginalWidth = originalWidth;
mOriginalHeight = originalHeight;
if (!inTransaction) {
if (WindowManagerService.SHOW_LIGHT_TRANSACTIONS) Slog.i(WindowManagerService.TAG,
">>> OPEN TRANSACTION ScreenRotationAnimation");
Surface.openTransaction();
}
try {
try {
mSurface = new Surface(session, 0, "FreezeSurface",
-1, mWidth, mHeight, PixelFormat.OPAQUE, Surface.FX_SURFACE_SCREENSHOT | Surface.HIDDEN);
if (mSurface == null || !mSurface.isValid()) {
// Screenshot failed, punt.
mSurface = null;
return;
}
mSurface.setLayer(FREEZE_LAYER + 1);
mSurface.show();
} catch (Surface.OutOfResourcesException e) {
Slog.w(TAG, "Unable to allocate freeze surface", e);
}
if (WindowManagerService.SHOW_TRANSACTIONS ||
WindowManagerService.SHOW_SURFACE_ALLOC) Slog.i(WindowManagerService.TAG,
" FREEZE " + mSurface + ": CREATE");
setRotation(originalRotation);
} finally {
if (!inTransaction) {
Surface.closeTransaction();
if (WindowManagerService.SHOW_LIGHT_TRANSACTIONS) Slog.i(WindowManagerService.TAG,
"<<< CLOSE TRANSACTION ScreenRotationAnimation");
}
}
}
boolean hasScreenshot() {
return mSurface != null;
}
static int deltaRotation(int oldRotation, int newRotation) {
int delta = newRotation - oldRotation;
if (delta < 0) delta += 4;
return delta;
}
void setSnapshotTransform(Matrix matrix, float alpha) {
if (mSurface != null) {
matrix.getValues(mTmpFloats);
mSurface.setPosition(mTmpFloats[Matrix.MTRANS_X],
mTmpFloats[Matrix.MTRANS_Y]);
mSurface.setMatrix(
mTmpFloats[Matrix.MSCALE_X], mTmpFloats[Matrix.MSKEW_Y],
mTmpFloats[Matrix.MSKEW_X], mTmpFloats[Matrix.MSCALE_Y]);
mSurface.setAlpha(alpha);
if (DEBUG_TRANSFORMS) {
float[] srcPnts = new float[] { 0, 0, mWidth, mHeight };
float[] dstPnts = new float[4];
matrix.mapPoints(dstPnts, srcPnts);
Slog.i(TAG, "Original : (" + srcPnts[0] + "," + srcPnts[1]
+ ")-(" + srcPnts[2] + "," + srcPnts[3] + ")");
Slog.i(TAG, "Transformed: (" + dstPnts[0] + "," + dstPnts[1]
+ ")-(" + dstPnts[2] + "," + dstPnts[3] + ")");
}
}
}
public static void createRotationMatrix(int rotation, int width, int height,
Matrix outMatrix) {
switch (rotation) {
case Surface.ROTATION_0:
outMatrix.reset();
break;
case Surface.ROTATION_90:
outMatrix.setRotate(90, 0, 0);
outMatrix.postTranslate(height, 0);
break;
case Surface.ROTATION_180:
outMatrix.setRotate(180, 0, 0);
outMatrix.postTranslate(width, height);
break;
case Surface.ROTATION_270:
outMatrix.setRotate(270, 0, 0);
outMatrix.postTranslate(0, width);
break;
}
}
// Must be called while in a transaction.
private void setRotation(int rotation) {
mCurRotation = rotation;
// Compute the transformation matrix that must be applied
// to the snapshot to make it stay in the same original position
// with the current screen rotation.
int delta = deltaRotation(rotation, mSnapshotRotation);
createRotationMatrix(delta, mWidth, mHeight, mSnapshotInitialMatrix);
if (DEBUG_STATE) Slog.v(TAG, "**** ROTATION: " + delta);
setSnapshotTransform(mSnapshotInitialMatrix, 1.0f);
}
// Must be called while in a transaction.
public boolean setRotation(int rotation, SurfaceSession session,
long maxAnimationDuration, float animationScale, int finalWidth, int finalHeight) {
setRotation(rotation);
return startAnimation(session, maxAnimationDuration, animationScale,
finalWidth, finalHeight, false);
}
/**
* Returns true if animating.
*/
private boolean startAnimation(SurfaceSession session, long maxAnimationDuration,
float animationScale, int finalWidth, int finalHeight, boolean dismissing) {
if (mSurface == null) {
// Can't do animation.
return false;
}
if (mStarted) {
return true;
}
mStarted = true;
boolean firstStart = false;
// Figure out how the screen has moved from the original rotation.
int delta = deltaRotation(mCurRotation, mOriginalRotation);
if (mFinishExitAnimation == null && (!dismissing || delta != Surface.ROTATION_0)) {
if (DEBUG_STATE) Slog.v(TAG, "Creating start and finish animations");
firstStart = true;
mStartExitAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_start_exit);
mStartEnterAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_start_enter);
mFinishExitAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_finish_exit);
mFinishEnterAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_finish_enter);
}
if (DEBUG_STATE) Slog.v(TAG, "Rotation delta: " + delta + " finalWidth="
+ finalWidth + " finalHeight=" + finalHeight
+ " origWidth=" + mOriginalWidth + " origHeight=" + mOriginalHeight);
switch (delta) {
case Surface.ROTATION_0:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_0_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_0_enter);
break;
case Surface.ROTATION_90:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_plus_90_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_plus_90_enter);
break;
case Surface.ROTATION_180:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_180_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_180_enter);
break;
case Surface.ROTATION_270:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_minus_90_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.screen_rotate_minus_90_enter);
break;
}
// Initialize the animations. This is a hack, redefining what "parent"
// means to allow supplying the last and next size. In this definition
// "%p" is the original (let's call it "previous") size, and "%" is the
// screen's current/new size.
if (firstStart) {
if (DEBUG_STATE) Slog.v(TAG, "Initializing start and finish animations");
mStartEnterAnimation.initialize(finalWidth, finalHeight,
mOriginalWidth, mOriginalHeight);
mStartExitAnimation.initialize(finalWidth, finalHeight,
mOriginalWidth, mOriginalHeight);
mFinishEnterAnimation.initialize(finalWidth, finalHeight,
mOriginalWidth, mOriginalHeight);
mFinishExitAnimation.initialize(finalWidth, finalHeight,
mOriginalWidth, mOriginalHeight);
}
mRotateEnterAnimation.initialize(finalWidth, finalHeight, mOriginalWidth, mOriginalHeight);
mRotateExitAnimation.initialize(finalWidth, finalHeight, mOriginalWidth, mOriginalHeight);
mAnimRunning = false;
mFinishAnimReady = false;
mFinishAnimStartTime = -1;
if (firstStart) {
mStartExitAnimation.restrictDuration(maxAnimationDuration);
mStartExitAnimation.scaleCurrentDuration(animationScale);
mStartEnterAnimation.restrictDuration(maxAnimationDuration);
mStartEnterAnimation.scaleCurrentDuration(animationScale);
mFinishExitAnimation.restrictDuration(maxAnimationDuration);
mFinishExitAnimation.scaleCurrentDuration(animationScale);
mFinishEnterAnimation.restrictDuration(maxAnimationDuration);
mFinishEnterAnimation.scaleCurrentDuration(animationScale);
}
mRotateExitAnimation.restrictDuration(maxAnimationDuration);
mRotateExitAnimation.scaleCurrentDuration(animationScale);
mRotateEnterAnimation.restrictDuration(maxAnimationDuration);
mRotateEnterAnimation.scaleCurrentDuration(animationScale);
if (mBlackFrame == null) {
if (WindowManagerService.SHOW_LIGHT_TRANSACTIONS || DEBUG_STATE) Slog.i(
WindowManagerService.TAG,
">>> OPEN TRANSACTION ScreenRotationAnimation.startAnimation");
Surface.openTransaction();
try {
Rect outer = new Rect(-finalWidth*1, -finalHeight*1, finalWidth*2, finalHeight*2);
Rect inner = new Rect(0, 0, finalWidth, finalHeight);
mBlackFrame = new BlackFrame(session, outer, inner, FREEZE_LAYER);
} catch (Surface.OutOfResourcesException e) {
Slog.w(TAG, "Unable to allocate black surface", e);
} finally {
Surface.closeTransaction();
if (WindowManagerService.SHOW_LIGHT_TRANSACTIONS || DEBUG_STATE) Slog.i(
WindowManagerService.TAG,
"<<< CLOSE TRANSACTION ScreenRotationAnimation.startAnimation");
}
}
return true;
}
/**
* Returns true if animating.
*/
public boolean dismiss(SurfaceSession session, long maxAnimationDuration,
float animationScale, int finalWidth, int finalHeight) {
if (DEBUG_STATE) Slog.v(TAG, "Dismiss!");
if (mSurface == null) {
// Can't do animation.
return false;
}
if (!mStarted) {
startAnimation(session, maxAnimationDuration, animationScale, finalWidth, finalHeight,
true);
}
if (!mStarted) {
return false;
}
if (DEBUG_STATE) Slog.v(TAG, "Setting mFinishAnimReady = true");
mFinishAnimReady = true;
return true;
}
public void kill() {
if (DEBUG_STATE) Slog.v(TAG, "Kill!");
if (mSurface != null) {
if (WindowManagerService.SHOW_TRANSACTIONS ||
WindowManagerService.SHOW_SURFACE_ALLOC) Slog.i(WindowManagerService.TAG,
" FREEZE " + mSurface + ": DESTROY");
mSurface.destroy();
mSurface = null;
}
if (mBlackFrame != null) {
mBlackFrame.kill();
mBlackFrame = null;
}
if (mStartExitAnimation != null) {
mStartExitAnimation.cancel();
mStartExitAnimation = null;
}
if (mStartEnterAnimation != null) {
mStartEnterAnimation.cancel();
mStartEnterAnimation = null;
}
if (mFinishExitAnimation != null) {
mFinishExitAnimation.cancel();
mFinishExitAnimation = null;
}
if (mStartEnterAnimation != null) {
mStartEnterAnimation.cancel();
mStartEnterAnimation = null;
}
if (mRotateExitAnimation != null) {
mRotateExitAnimation.cancel();
mRotateExitAnimation = null;
}
if (mRotateEnterAnimation != null) {
mRotateEnterAnimation.cancel();
mRotateEnterAnimation = null;
}
}
public boolean isAnimating() {
return mStartEnterAnimation != null || mStartExitAnimation != null
&& mFinishEnterAnimation != null || mFinishExitAnimation != null
&& mRotateEnterAnimation != null || mRotateExitAnimation != null;
}
@Override
public boolean stepAnimation(long now) {
if (mFinishAnimReady && mFinishAnimStartTime < 0) {
if (DEBUG_STATE) Slog.v(TAG, "Step: finish anim now ready");
mFinishAnimStartTime = now;
}
// If the start animation is no longer running, we want to keep its
// transformation intact until the finish animation also completes.
mMoreStartExit = false;
if (mStartExitAnimation != null) {
mStartExitTransformation.clear();
mMoreStartExit = mStartExitAnimation.getTransformation(now, mStartExitTransformation);
if (DEBUG_TRANSFORMS) Slog.v(TAG, "Stepped start exit: " + mStartExitTransformation);
if (!mMoreStartExit) {
if (DEBUG_STATE) Slog.v(TAG, "Start exit animation done!");
mStartExitAnimation.cancel();
mStartExitAnimation = null;
}
}
mMoreStartEnter = false;
if (mStartEnterAnimation != null) {
mStartEnterTransformation.clear();
mMoreStartEnter = mStartEnterAnimation.getTransformation(now, mStartEnterTransformation);
if (DEBUG_TRANSFORMS) Slog.v(TAG, "Stepped start enter: " + mStartEnterTransformation);
if (!mMoreStartEnter) {
if (DEBUG_STATE) Slog.v(TAG, "Start enter animation done!");
mStartEnterAnimation.cancel();
mStartEnterAnimation = null;
}
}
long finishNow = mFinishAnimReady ? (now - mFinishAnimStartTime) : 0;
if (DEBUG_STATE) Slog.v(TAG, "Step: finishNow=" + finishNow);
mFinishExitTransformation.clear();
mMoreFinishExit = false;
if (mFinishExitAnimation != null) {
mMoreFinishExit = mFinishExitAnimation.getTransformation(finishNow, mFinishExitTransformation);
if (DEBUG_TRANSFORMS) Slog.v(TAG, "Stepped finish exit: " + mFinishExitTransformation);
if (!mMoreStartExit && !mMoreFinishExit) {
if (DEBUG_STATE) Slog.v(TAG, "Finish exit animation done, clearing start/finish anims!");
mStartExitTransformation.clear();
mFinishExitAnimation.cancel();
mFinishExitAnimation = null;
mFinishExitTransformation.clear();
}
}
mFinishEnterTransformation.clear();
mMoreFinishEnter = false;
if (mFinishEnterAnimation != null) {
mMoreFinishEnter = mFinishEnterAnimation.getTransformation(finishNow, mFinishEnterTransformation);
if (DEBUG_TRANSFORMS) Slog.v(TAG, "Stepped finish enter: " + mFinishEnterTransformation);
if (!mMoreStartEnter && !mMoreFinishEnter) {
if (DEBUG_STATE) Slog.v(TAG, "Finish enter animation done, clearing start/finish anims!");
mStartEnterTransformation.clear();
mFinishEnterAnimation.cancel();
mFinishEnterAnimation = null;
mFinishEnterTransformation.clear();
}
}
mRotateExitTransformation.clear();
mMoreRotateExit = false;
if (mRotateExitAnimation != null) {
mMoreRotateExit = mRotateExitAnimation.getTransformation(now, mRotateExitTransformation);
if (DEBUG_TRANSFORMS) Slog.v(TAG, "Stepped rotate exit: " + mRotateExitTransformation);
}
if (!mMoreFinishExit && !mMoreRotateExit) {
if (DEBUG_STATE) Slog.v(TAG, "Rotate exit animation done!");
mRotateExitAnimation.cancel();
mRotateExitAnimation = null;
mRotateExitTransformation.clear();
}
mRotateEnterTransformation.clear();
mMoreRotateEnter = false;
if (mRotateEnterAnimation != null) {
mMoreRotateEnter = mRotateEnterAnimation.getTransformation(now, mRotateEnterTransformation);
if (DEBUG_TRANSFORMS) Slog.v(TAG, "Stepped rotate enter: " + mRotateEnterTransformation);
}
if (!mMoreFinishEnter && !mMoreRotateEnter) {
if (DEBUG_STATE) Slog.v(TAG, "Rotate enter animation done!");
mRotateEnterAnimation.cancel();
mRotateEnterAnimation = null;
mRotateEnterTransformation.clear();
}
mExitTransformation.set(mRotateExitTransformation);
mExitTransformation.compose(mStartExitTransformation);
mExitTransformation.compose(mFinishExitTransformation);
mEnterTransformation.set(mRotateEnterTransformation);
mEnterTransformation.compose(mStartEnterTransformation);
mEnterTransformation.compose(mFinishEnterTransformation);
if (DEBUG_TRANSFORMS) Slog.v(TAG, "Final exit: " + mExitTransformation);
if (DEBUG_TRANSFORMS) Slog.v(TAG, "Final enter: " + mEnterTransformation);
final boolean more = mMoreStartEnter || mMoreStartExit || mMoreFinishEnter
|| mMoreFinishExit || mMoreRotateEnter || mMoreRotateExit || !mFinishAnimReady;
mSnapshotFinalMatrix.setConcat(mExitTransformation.getMatrix(), mSnapshotInitialMatrix);
if (DEBUG_STATE) Slog.v(TAG, "Step: more=" + more);
return more;
}
void updateSurfaces() {
if (!mMoreStartExit && !mMoreFinishExit && !mMoreRotateExit) {
if (mSurface != null) {
if (DEBUG_STATE) Slog.v(TAG, "Exit animations done, hiding screenshot surface");
mSurface.hide();
}
}
if (!mMoreStartEnter && !mMoreFinishEnter && !mMoreRotateEnter) {
if (mBlackFrame != null) {
if (DEBUG_STATE) Slog.v(TAG, "Enter animations done, hiding black frame");
mBlackFrame.hide();
}
} else {
if (mBlackFrame != null) {
mBlackFrame.setMatrix(mEnterTransformation.getMatrix());
}
}
setSnapshotTransform(mSnapshotFinalMatrix, mExitTransformation.getAlpha());
}
public boolean startAndFinishAnimationLocked(long now) {
if (!isAnimating()) {
if (DEBUG_STATE) Slog.v(TAG, "Step: no animations running");
return false;
}
if (!mAnimRunning) {
if (DEBUG_STATE) Slog.v(TAG, "Step: starting start, finish, rotate");
if (mStartEnterAnimation != null) {
mStartEnterAnimation.setStartTime(now);
}
if (mStartExitAnimation != null) {
mStartExitAnimation.setStartTime(now);
}
if (mFinishEnterAnimation != null) {
mFinishEnterAnimation.setStartTime(0);
}
if (mFinishExitAnimation != null) {
mFinishExitAnimation.setStartTime(0);
}
if (mRotateEnterAnimation != null) {
mRotateEnterAnimation.setStartTime(now);
}
if (mRotateExitAnimation != null) {
mRotateExitAnimation.setStartTime(now);
}
mAnimRunning = true;
}
return true;
}
public Transformation getEnterTransformation() {
return mEnterTransformation;
}
}