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Allow touches through Taskbar when dragging to home screen

Browse Source 
Setting visibleInsets to (almost) empty ensures the drag
events get sent to launcher.

Test: Drag a taskbar item on home, ensure it moves when
events are within the taskbar insets

Bug: 182079330
Bug: 171917176
Change-Id: Ida6a4a94a3fd2927d18245f45ed3e8d1701b9833
This commit is contained in:
Tony Wickham
2021-03-09 12:32:01 -08:00
parent 2b860d29ca
commit 30d6971812
1 changed files with 7 additions and 2 deletions
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9
quickstep/src/com/android/launcher3/taskbar/TaskbarContainerView.java
View File

@@ -83,10 +83,15 @@ public class TaskbarContainerView extends BaseDragLayer<TaskbarActivityContext>
private ViewTreeObserverWrapper.OnComputeInsetsListener createTaskbarInsetsComputer() {
return insetsInfo -> {
if (getAlpha() < AlphaUpdateListener.ALPHA_CUTOFF_THRESHOLD) {
// We're invisible, let touches pass through us.
if (getAlpha() < AlphaUpdateListener.ALPHA_CUTOFF_THRESHOLD
|| mTaskbarView.isDraggingItem()) {
// We're invisible or dragging out of taskbar, let touches pass through us.
insetsInfo.touchableRegion.setEmpty();
insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_REGION);
// TODO(b/182234653): Shouldn't need to do this, but for the meantime, reporting
// that visibleInsets is empty allows DragEvents through. Setting them as completely
// empty reverts to default behavior, so set 1 px instead.
insetsInfo.visibleInsets.set(0, 0, 0, 1);
} else {
// We're visible again, accept touches anywhere in our bounds.
insetsInfo.setTouchableInsets(TOUCHABLE_INSETS_FRAME);