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Merge "Modify deferred recents animation cancel to work without screenshot" into qt-r1-dev

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am: 48e3cfc06a

Change-Id: Id491b61fc851779bd398c5113a306ce1c89181dc
This commit is contained in:
Winson Chung
2019-07-23 22:24:38 -07:00
committed by android-build-merger
parent eb03710936 48e3cfc06a
commit 932a656359
9 changed files with 209 additions and 106 deletions
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50
core/java/android/view/IRecentsAnimationController.aidl
View File

@@ -77,23 +77,9 @@ interface IRecentsAnimationController {
void hideCurrentInputMethod();
/**
* Set a state for controller whether would like to cancel recents animations with deferred
* task screenshot presentation.
*
* When we cancel the recents animation due to a stack order change, we can't just cancel it
* immediately as it would lead to a flicker in Launcher if we just remove the task from the
* leash. Instead we screenshot the previous task and replace the child of the leash with the
* screenshot, so that Launcher can still control the leash lifecycle & make the next app
* transition animate smoothly without flickering.
*
* @param screenshot When set {@code true}, means recents animation will be canceled when the
* next app launch. System will take previous task's screenshot when the next
* app transition starting, and skip previous task's animation.
* Set {@code false} means will not take screenshot & skip animation
* for previous task.
*
* @see #cleanupScreenshot()
* @see IRecentsAnimationRunner#onCancelled
* This call is deprecated, use #setDeferCancelUntilNextTransition() instead
* TODO(138144750): Remove this method once there are no callers
* @deprecated
*/
void setCancelWithDeferredScreenshot(boolean screenshot);
@@ -104,4 +90,34 @@ interface IRecentsAnimationController {
* @see {@link IRecentsAnimationRunner#onAnimationCanceled}
*/
void cleanupScreenshot();
/**
* Set a state for controller whether would like to cancel recents animations with deferred
* task screenshot presentation.
*
* When we cancel the recents animation due to a stack order change, we can't just cancel it
* immediately as it would lead to a flicker in Launcher if we just remove the task from the
* leash. Instead we screenshot the previous task and replace the child of the leash with the
* screenshot, so that Launcher can still control the leash lifecycle & make the next app
* transition animate smoothly without flickering.
*
* @param defer When set {@code true}, means that the recents animation will defer canceling the
* animation when a stack order change is triggered until the subsequent app
* transition start and skip previous task's animation.
* When set to {@code false}, means that the recents animation will be canceled
* immediately when the stack order changes.
* @param screenshot When set {@code true}, means that the system will take previous task's
* screenshot and replace the contents of the leash with it when the next app
* transition starting. The runner must call #cleanupScreenshot() to end the
* recents animation.
* When set to {@code false}, means that the system will simply wait for the
* next app transition start to immediately cancel the recents animation. This
* can be useful when you want an immediate transition into a state where the
* task is shown in the home/recents activity (without waiting for a
* screenshot).
*
* @see #cleanupScreenshot()
* @see IRecentsAnimationRunner#onCancelled
*/
void setDeferCancelUntilNextTransition(boolean defer, boolean screenshot);
}

2
core/java/android/view/IRecentsAnimationRunner.aidl
View File

@@ -36,7 +36,7 @@ oneway interface IRecentsAnimationRunner {
* @param deferredWithScreenshot If set to {@code true}, the contents of the task will be
* replaced with a screenshot, such that the runner's leash is
* still active. As soon as the runner doesn't need the leash
* anymore, it can call
* anymore, it must call
* {@link IRecentsAnimationController#cleanupScreenshot).
*
* @see {@link RecentsAnimationController#cleanupScreenshot}