Merge "Use spring-y progress in back to home animation."
diff --git a/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java b/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
index eed934b..3b3a8e8 100644
--- a/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
+++ b/quickstep/src/com/android/quickstep/LauncherBackAnimationController.java
@@ -42,6 +42,7 @@
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
import android.window.BackEvent;
+import android.window.BackProgressAnimator;
import android.window.IOnBackInvokedCallback;
import com.android.launcher3.AbstractFloatingView;
@@ -97,6 +98,7 @@
private boolean mBackInProgress = false;
private IOnBackInvokedCallback mBackCallback;
private IRemoteAnimationFinishedCallback mAnimationFinishedCallback;
+ private BackProgressAnimator mProgressAnimator = new BackProgressAnimator();
public LauncherBackAnimationController(
QuickstepLauncher launcher,
@@ -125,29 +127,41 @@
mBackCallback = new IOnBackInvokedCallback.Stub() {
@Override
public void onBackCancelled() {
- handler.post(() -> resetPositionAnimated());
+ handler.post(() -> {
+ resetPositionAnimated();
+ mProgressAnimator.reset();
+ });
}
@Override
public void onBackInvoked() {
- handler.post(() -> startTransition());
+ handler.post(() -> {
+ startTransition();
+ mProgressAnimator.reset();
+ });
}
@Override
public void onBackProgressed(BackEvent backEvent) {
- mBackProgress = backEvent.getProgress();
- // TODO: Update once the interpolation curve spec is finalized.
- mBackProgress =
- 1 - (1 - mBackProgress) * (1 - mBackProgress) * (1
- - mBackProgress);
- if (!mBackInProgress) {
- startBack(backEvent);
- }
- updateBackProgress(mBackProgress, backEvent);
+ handler.post(() -> {
+ mProgressAnimator.onBackProgressed(backEvent);
+ });
}
@Override
- public void onBackStarted() { }
+ public void onBackStarted(BackEvent backEvent) {
+ handler.post(() -> {
+ startBack(backEvent);
+ mProgressAnimator.onBackStarted(backEvent, event -> {
+ mBackProgress = event.getProgress();
+ // TODO: Update once the interpolation curve spec is finalized.
+ mBackProgress =
+ 1 - (1 - mBackProgress) * (1 - mBackProgress) * (1
+ - mBackProgress);
+ updateBackProgress(mBackProgress, event);
+ });
+ });
+ }
};
final IRemoteAnimationRunner runner = new IRemoteAnimationRunner.Stub() {
@@ -194,43 +208,38 @@
if (mBackCallback != null) {
SystemUiProxy.INSTANCE.get(mLauncher).clearBackToLauncherCallback(mBackCallback);
}
+ mProgressAnimator.reset();
mBackCallback = null;
}
private void startBack(BackEvent backEvent) {
- if (mBackTarget == null) {
+ mBackInProgress = true;
+ RemoteAnimationTarget appTarget = backEvent.getDepartingAnimationTarget();
+
+ if (appTarget == null) {
return;
}
- mBackInProgress = true;
mTransaction.show(mBackTarget.leash).apply();
mTransaction.setAnimationTransaction();
mInitialTouchPos.set(backEvent.getTouchX(), backEvent.getTouchY());
// TODO(b/218916755): Offset start rectangle in multiwindow mode.
mStartRect.set(mBackTarget.windowConfiguration.getMaxBounds());
+ mCurrentRect.set(mStartRect);
}
private void updateBackProgress(float progress, BackEvent event) {
- if (mBackTarget == null) {
+ if (!mBackInProgress || mBackTarget == null) {
return;
}
float screenWidth = mStartRect.width();
float screenHeight = mStartRect.height();
- float dX = Math.abs(event.getTouchX() - mInitialTouchPos.x);
- // The 'follow width' is the width of the window if it completely matches
- // the gesture displacement.
- float followWidth = screenWidth - dX;
- // The 'progress width' is the width of the window if it strictly linearly interpolates
- // to minimum scale base on progress.
- float progressWidth = Utilities.mapRange(progress, 1, MIN_WINDOW_SCALE) * screenWidth;
- // The final width is derived from interpolating between the follow with and progress width
- // using gesture progress.
- float width = Utilities.mapRange(progress, followWidth, progressWidth);
+ float width = Utilities.mapRange(progress, 1, MIN_WINDOW_SCALE) * screenWidth;
float height = screenHeight / screenWidth * width;
float deltaYRatio = (event.getTouchY() - mInitialTouchPos.y) / screenHeight;
// Base the window movement in the Y axis on the touch movement in the Y axis.
- float deltaY = (float) Math.sin(deltaYRatio * Math.PI * 0.5f) * mWindowMaxDeltaY;
+ float deltaY = (float) Math.sin(deltaYRatio * Math.PI * 0.5f) * mWindowMaxDeltaY * progress;
// Move the window along the Y axis.
float top = (screenHeight - height) * 0.5f + deltaY;
// Move the window along the X axis.