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Commit 50bf96b8 authored by Chong Zhang's avatar Chong Zhang
Browse files

Crop to stack bounds during animation if docked task is non-resizeable 

When a non-resizeable task is docked, it's running in fullscreen size, its
visible area should always be cropped to docked stack size. Otherwise wrong
size might show through during animation.

bug: 26163416
Change-Id: Idcbf4b86ae0976d86a2f91e78ccc2113dd86af62
parent c127d656

services/core/java/com/android/server/wm/WindowStateAnimator.java

+4 −1
Original line number Diff line number Diff line
@@ -1182,11 +1182,14 @@ class WindowStateAnimator { 
        // We don't apply the stack bounds crop if:

        // 1. The window is currently animating docked mode or in freeform mode, otherwise the

        // animating window will be suddenly (docked) or for whole animation (freeform) cut off.

        // (Note that we still need to apply the crop if the task being docked is non-resizeable,

        // in which case the task is running in fullscreen size but cropped to stack bounds.)

        // 2. The window that is being replaced during animation, because it was living in a

        // different stack. If we suddenly crop it to the new stack bounds, it might get cut off.

        // We don't want it to happen, so we let it ignore the stack bounds until it gets removed.

        // The window that will replace it will abide them.

        if (isAnimating() && (w.mWillReplaceWindow || w.inDockedWorkspace()

        if (isAnimating() && (w.mWillReplaceWindow

                || (w.inDockedWorkspace() && task.isResizeable())

                || w.inFreeformWorkspace())) {

            return;

        }