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Supporting independent back nav while task embedded

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Also directly setting the focused app if there is a task
embedded in the split.

Bug: 189385926
Test: navigate independently
Change-Id: I0fb36a4bcc6245af26f114f96862e1cb498d146d
This commit is contained in:
Louis Chang
2021-07-26 17:48:00 +08:00
parent a44fcb0dd4
commit 20f55b10b2
2 changed files with 22 additions and 13 deletions
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18
services/core/java/com/android/server/wm/ActivityTaskManagerService.java
View File

@@ -1909,15 +1909,15 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
if (r.moveFocusableActivityToTop("setFocusedTask")) {
mRootWindowContainer.resumeFocusedTasksTopActivities();
} else if (touchedActivity != null && touchedActivity != r
&& touchedActivity.getTask() == r.getTask()
&& touchedActivity.getTaskFragment() != r.getTaskFragment()) {
// Set the focused app directly since the focused window is not on the
// top-most TaskFragment of the top-most Task
final DisplayContent displayContent = touchedActivity.getDisplayContent();
displayContent.setFocusedApp(touchedActivity);
mWindowManager.updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL,
true /* updateInputWindows */);
} else if (touchedActivity != null && touchedActivity.isFocusable()) {
final TaskFragment parent = touchedActivity.getTaskFragment();
if (parent != null && parent.isEmbedded()) {
// Set the focused app directly if the focused window is currently embedded
final DisplayContent displayContent = touchedActivity.getDisplayContent();
displayContent.setFocusedApp(touchedActivity);
mWindowManager.updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL,
true /* updateInputWindows */);
}
}
}

17
services/core/java/com/android/server/wm/DisplayContent.java
View File

@@ -777,10 +777,19 @@ class DisplayContent extends RootDisplayArea implements WindowManagerPolicy.Disp
return true;
}
if (focusedApp.getTask() == activity.getTask()
&& focusedApp.getTaskFragment() != activity.getTaskFragment()) {
// Do not use the activity window of another TaskFragment in the same leaf Task
return false;
// If the candidate activity is currently being embedded in the focused task, the
// activity cannot be focused unless it is on the same TaskFragment as the focusedApp's.
TaskFragment parent = activity.getTaskFragment();
if (parent != null && parent.isEmbedded()) {
Task hostTask = focusedApp.getTask();
if (hostTask.isEmbedded()) {
// Use the hosting task if the current task is embedded.
hostTask = hostTask.getParent().asTaskFragment().getTask();
}
if (activity.isDescendantOf(hostTask)
&& activity.getTaskFragment() != focusedApp.getTaskFragment()) {
return false;
}
}
}