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Stylus shouldnt trigger gestures during handwriting

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Exclude navbar from stylus gesture when handwriting is in progress.
Layer the input consumer surface for handwriting above so that stylus
touches dont go to gesture navbar or 3-botton navbar while handwriting
is ongoing.
User can still swip to home with finger.

Fix: 240451878
Test: atest StylusHandwritingTest
   and Manually:
   1. build & flash
   2. start a handwriting session
   3. while session is inprogress, attempt to swipe to home with stylus
   4. gesture shouldn't work.
   5. Repeat same with finger and it should work.
Change-Id: I5c7194d45beb4ba0a0f629f3860fc713270815f1
This commit is contained in:
Taran Singh
2022-07-27 13:34:36 -07:00
parent 2f1b0110cd
commit e7b4a4cf60
1 changed files with 3 additions and 4 deletions
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7
services/core/java/com/android/server/inputmethod/HandwritingEventReceiverSurface.java
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@@ -32,11 +32,10 @@ final class HandwritingEventReceiverSurface {
public static final String TAG = HandwritingEventReceiverSurface.class.getSimpleName();
static final boolean DEBUG = HandwritingModeController.DEBUG;
// Place the layer below the highest layer to place it under gesture monitors. If the surface
// is above gesture monitors, then edge-back and swipe-up gestures won't work when this surface
// is intercepting.
// Place the layer at the highest layer so stylus cannot trigger gesture monitors
// (e.g. navigation bar, edge-back, etc) while handwriting is ongoing.
// TODO(b/217538817): Specify the ordering in WM by usage.
private static final int HANDWRITING_SURFACE_LAYER = Integer.MAX_VALUE - 1;
private static final int HANDWRITING_SURFACE_LAYER = Integer.MAX_VALUE;
private final InputWindowHandle mWindowHandle;
private final InputChannel mClientChannel;