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Merge "Fix NPE in isTrimmable" into rvc-dev

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This commit is contained in:
TreeHugger Robot
2020-05-20 05:40:12 +00:00
committed by Android (Google) Code Review
parent 345d68d164 7d550c4fc4
commit a759c596fa
4 changed files with 13 additions and 10 deletions
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12
services/core/java/com/android/server/wm/RecentTasks.java
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@@ -1387,9 +1387,7 @@ class RecentTasks {
return false;
}
/**
* @return whether the given task can be trimmed even if it is outside the visible range.
*/
/** @return whether the given task can be trimmed even if it is outside the visible range. */
protected boolean isTrimmable(Task task) {
final ActivityStack stack = task.getStack();
@@ -1404,9 +1402,13 @@ class RecentTasks {
return false;
}
final ActivityStack rootHomeTask = stack.getDisplayArea().getRootHomeTask();
// Home stack does not exist. Don't trim the task.
if (rootHomeTask == null) {
return false;
}
// Trim tasks that are behind the home task.
final TaskDisplayArea taskDisplayArea = stack.getDisplayArea();
return task.compareTo(taskDisplayArea.getRootHomeTask()) < 0;
return task.compareTo(rootHomeTask) < 0;
}
/** Remove the tasks that user may not be able to return. */

5
services/core/java/com/android/server/wm/RecentsAnimationController.java
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@@ -406,8 +406,9 @@ public class RecentsAnimationController implements DeathRecipient {
}
// Save the minimized home height
mMinimizedHomeBounds = mDisplayContent.getDefaultTaskDisplayArea().getRootHomeTask()
.getBounds();
final ActivityStack rootHomeTask =
mDisplayContent.getDefaultTaskDisplayArea().getRootHomeTask();
mMinimizedHomeBounds = rootHomeTask != null ? rootHomeTask.getBounds() : null;
mService.mWindowPlacerLocked.performSurfacePlacement();

2
services/core/java/com/android/server/wm/TaskDisplayArea.java
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@@ -195,7 +195,7 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> {
return mChildren.indexOf(stack);
}
ActivityStack getRootHomeTask() {
@Nullable ActivityStack getRootHomeTask() {
return mRootHomeTask;
}

4
services/core/java/com/android/server/wm/WindowState.java
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@@ -1509,7 +1509,7 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
return mActivityRecord != null ? mActivityRecord.getTask() : null;
}
ActivityStack getRootTask() {
@Nullable ActivityStack getRootTask() {
final Task task = getTask();
if (task != null) {
return (ActivityStack) task.getRootTask();
@@ -2527,7 +2527,7 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
final Task task = getTask();
if (task != null) {
task.getDimBounds(mTmpRect);
} else {
} else if (getRootTask() != null) {
getRootTask().getDimBounds(mTmpRect);
}
}