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Implement crossfade and jumpcut rotation

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Implement crossfade and jumpcut rotation animation into shell
transition.

Bug: 194715257
Test: manual
Test: pass existing tests
Change-Id: I12269971b22614ce16fb3329b52fc7bdef25af05
This commit is contained in:
Tony Huang
2021-12-01 18:08:27 +08:00
parent d448dc23b6
commit 841beb6392
2 changed files with 95 additions and 58 deletions
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3
libs/WindowManager/Shell/src/com/android/wm/shell/transition/DefaultTransitionHandler.java
View File

@@ -313,7 +313,8 @@ public class DefaultTransitionHandler implements Transitions.TransitionHandler {
final int anim = getRotationAnimation(info);
if (!(isSeamless || anim == ROTATION_ANIMATION_JUMPCUT)) {
mRotationAnimation = new ScreenRotationAnimation(mContext, mSurfaceSession,
mTransactionPool, startTransaction, change, info.getRootLeash());
mTransactionPool, startTransaction, change, info.getRootLeash(),
anim);
mRotationAnimation.startAnimation(animations, onAnimFinish,
mTransitionAnimationScaleSetting, mMainExecutor, mAnimExecutor);
continue;

150
libs/WindowManager/Shell/src/com/android/wm/shell/transition/ScreenRotationAnimation.java
View File

@@ -19,6 +19,8 @@ package com.android.wm.shell.transition;
import static android.hardware.HardwareBuffer.RGBA_8888;
import static android.hardware.HardwareBuffer.USAGE_PROTECTED_CONTENT;
import static android.util.RotationUtils.deltaRotation;
import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE;
import static android.view.WindowManager.LayoutParams.ROTATION_ANIMATION_JUMPCUT;
import static android.view.WindowManagerPolicyConstants.SCREEN_FREEZE_LAYER_BASE;
import static com.android.wm.shell.transition.DefaultTransitionHandler.startSurfaceAnimation;
@@ -59,7 +61,7 @@ import java.util.Arrays;
* This class handles the rotation animation when the device is rotated.
*
* <p>
* The screen rotation animation is composed of 4 different part:
* The screen rotation animation is composed of 3 different part:
* <ul>
* <li> The screenshot: <p>
* A screenshot of the whole screen prior the change of orientation is taken to hide the
@@ -75,10 +77,6 @@ import java.util.Arrays;
* To have the animation seem more seamless, we add a color transitioning background behind the
* exiting and entering layouts. We compute the brightness of the start and end
* layouts and transition from the two brightness values as grayscale underneath the animation
*
* <li> The entering Blackframe: <p>
* The enter Blackframe is similar to the exit Blackframe but is only used when a custom
* rotation animation is used and matches the new content size instead of the screenshot.
* </ul>
*/
class ScreenRotationAnimation {
@@ -94,6 +92,7 @@ class ScreenRotationAnimation {
private final Rect mStartBounds = new Rect();
private final Rect mEndBounds = new Rect();
private final int mAnimHint;
private final int mStartWidth;
private final int mStartHeight;
private final int mEndWidth;
@@ -117,6 +116,7 @@ class ScreenRotationAnimation {
// rotations.
private Animation mRotateExitAnimation;
private Animation mRotateEnterAnimation;
private Animation mRotateAlphaAnimation;
/** Intensity of light/whiteness of the layout before rotation occurs. */
private float mStartLuma;
@@ -124,9 +124,10 @@ class ScreenRotationAnimation {
private float mEndLuma;
ScreenRotationAnimation(Context context, SurfaceSession session, TransactionPool pool,
Transaction t, TransitionInfo.Change change, SurfaceControl rootLeash) {
Transaction t, TransitionInfo.Change change, SurfaceControl rootLeash, int animHint) {
mContext = context;
mTransactionPool = pool;
mAnimHint = animHint;
mSurfaceControl = change.getLeash();
mStartWidth = change.getStartAbsBounds().width();
@@ -160,13 +161,6 @@ class ScreenRotationAnimation {
return;
}
mBackColorSurface = new SurfaceControl.Builder(session)
.setParent(rootLeash)
.setColorLayer()
.setCallsite("ShellRotationAnimation")
.setName("BackColorSurface")
.build();
mScreenshotLayer = new SurfaceControl.Builder(session)
.setParent(mAnimLeash)
.setBLASTLayer()
@@ -175,17 +169,9 @@ class ScreenRotationAnimation {
.setName("RotationLayer")
.build();
HardwareBuffer hardwareBuffer = screenshotBuffer.getHardwareBuffer();
mStartLuma = getMedianBorderLuma(hardwareBuffer, screenshotBuffer.getColorSpace());
GraphicBuffer buffer = GraphicBuffer.createFromHardwareBuffer(
screenshotBuffer.getHardwareBuffer());
t.setLayer(mBackColorSurface, -1);
t.setColor(mBackColorSurface, new float[]{mStartLuma, mStartLuma, mStartLuma});
t.setAlpha(mBackColorSurface, 1);
t.show(mBackColorSurface);
t.setLayer(mAnimLeash, SCREEN_FREEZE_LAYER_BASE);
t.setPosition(mAnimLeash, 0, 0);
t.setAlpha(mAnimLeash, 1);
@@ -195,6 +181,23 @@ class ScreenRotationAnimation {
t.setColorSpace(mScreenshotLayer, screenshotBuffer.getColorSpace());
t.show(mScreenshotLayer);
if (!isCustomRotate()) {
mBackColorSurface = new SurfaceControl.Builder(session)
.setParent(rootLeash)
.setColorLayer()
.setCallsite("ShellRotationAnimation")
.setName("BackColorSurface")
.build();
HardwareBuffer hardwareBuffer = screenshotBuffer.getHardwareBuffer();
mStartLuma = getMedianBorderLuma(hardwareBuffer, screenshotBuffer.getColorSpace());
t.setLayer(mBackColorSurface, -1);
t.setColor(mBackColorSurface, new float[]{mStartLuma, mStartLuma, mStartLuma});
t.setAlpha(mBackColorSurface, 1);
t.show(mBackColorSurface);
}
} catch (Surface.OutOfResourcesException e) {
Slog.w(TAG, "Unable to allocate freeze surface", e);
}
@@ -203,6 +206,10 @@ class ScreenRotationAnimation {
t.apply();
}
private boolean isCustomRotate() {
return mAnimHint == ROTATION_ANIMATION_CROSSFADE || mAnimHint == ROTATION_ANIMATION_JUMPCUT;
}
private void setRotation(SurfaceControl.Transaction t) {
// Compute the transformation matrix that must be applied
// to the snapshot to make it stay in the same original position
@@ -244,33 +251,44 @@ class ScreenRotationAnimation {
// color frame animation.
//mEndLuma = getLumaOfSurfaceControl(mEndBounds, mSurfaceControl);
// Figure out how the screen has moved from the original rotation.
int delta = deltaRotation(mEndRotation, mStartRotation);
switch (delta) { /* Counter-Clockwise Rotations */
case Surface.ROTATION_0:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_0_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.rotation_animation_enter);
break;
case Surface.ROTATION_90:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_plus_90_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_plus_90_enter);
break;
case Surface.ROTATION_180:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_180_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_180_enter);
break;
case Surface.ROTATION_270:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_minus_90_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_minus_90_enter);
break;
final boolean customRotate = isCustomRotate();
if (customRotate) {
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
mAnimHint == ROTATION_ANIMATION_JUMPCUT ? R.anim.rotation_animation_jump_exit
: R.anim.rotation_animation_xfade_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.rotation_animation_enter);
mRotateAlphaAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_alpha);
} else {
// Figure out how the screen has moved from the original rotation.
int delta = deltaRotation(mEndRotation, mStartRotation);
switch (delta) { /* Counter-Clockwise Rotations */
case Surface.ROTATION_0:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_0_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.rotation_animation_enter);
break;
case Surface.ROTATION_90:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_plus_90_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_plus_90_enter);
break;
case Surface.ROTATION_180:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_180_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_180_enter);
break;
case Surface.ROTATION_270:
mRotateExitAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_minus_90_exit);
mRotateEnterAnimation = AnimationUtils.loadAnimation(mContext,
R.anim.screen_rotate_minus_90_enter);
break;
}
}
mRotateExitAnimation.initialize(mEndWidth, mEndHeight, mStartWidth, mStartHeight);
@@ -281,9 +299,20 @@ class ScreenRotationAnimation {
mRotateEnterAnimation.scaleCurrentDuration(animationScale);
mTransaction = mTransactionPool.acquire();
startDisplayRotation(animations, finishCallback, mainExecutor, animExecutor);
startScreenshotRotationAnimation(animations, finishCallback, mainExecutor, animExecutor);
//startColorAnimation(mTransaction, animationScale);
if (customRotate) {
mRotateAlphaAnimation.initialize(mEndWidth, mEndHeight, mStartWidth, mStartHeight);
mRotateAlphaAnimation.restrictDuration(MAX_ANIMATION_DURATION);
mRotateAlphaAnimation.scaleCurrentDuration(animationScale);
startScreenshotAlphaAnimation(animations, finishCallback, mainExecutor,
animExecutor);
startDisplayRotation(animations, finishCallback, mainExecutor, animExecutor);
} else {
startDisplayRotation(animations, finishCallback, mainExecutor, animExecutor);
startScreenshotRotationAnimation(animations, finishCallback, mainExecutor,
animExecutor);
//startColorAnimation(mTransaction, animationScale);
}
return true;
}
@@ -304,6 +333,14 @@ class ScreenRotationAnimation {
0 /* cornerRadius */, null /* clipRect */);
}
private void startScreenshotAlphaAnimation(@NonNull ArrayList<Animator> animations,
@NonNull Runnable finishCallback, @NonNull ShellExecutor mainExecutor,
@NonNull ShellExecutor animExecutor) {
startSurfaceAnimation(animations, mRotateAlphaAnimation, mAnimLeash, finishCallback,
mTransactionPool, mainExecutor, animExecutor, null /* position */,
0 /* cornerRadius */, null /* clipRect */);
}
private void startColorAnimation(float animationScale, @NonNull ShellExecutor animExecutor) {
int colorTransitionMs = mContext.getResources().getInteger(
R.integer.config_screen_rotation_color_transition);
@@ -351,13 +388,12 @@ class ScreenRotationAnimation {
t.remove(mScreenshotLayer);
}
mScreenshotLayer = null;
if (mBackColorSurface != null) {
if (mBackColorSurface.isValid()) {
t.remove(mBackColorSurface);
}
mBackColorSurface = null;
}
if (mBackColorSurface != null) {
if (mBackColorSurface.isValid()) {
t.remove(mBackColorSurface);
}
mBackColorSurface = null;
}
t.apply();
mTransactionPool.release(t);