Adding Clear All to accessibility chevron on Recents

For motivation, see email thread "Tweaks to for the reverted order of
accessibility swiping"

This doesn't add the action to the fallback Recents, so it will require
more work.

Bug: 79165501
Test: Manual
Change-Id: I99d608ccc13cc1742dc4d427e763125788e8edd2

1 files changed, 11 insertions, 2 deletions

diff --git a/src/com/android/launcher3/views/ScrimView.java b/src/com/android/launcher3/views/ScrimView.java
index 5dcfe4a70..49e96be6e 100644
--- a/src/com/android/launcher3/views/ScrimView.java
+++ b/src/com/android/launcher3/views/ScrimView.java
@@ -38,6 +38,7 @@ import android.graphics.Rect;
 import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.view.ViewCompat;
 import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
@@ -113,12 +114,17 @@ public class ScrimView extends View implements Insettable, OnChangeListener,
                 .getDimensionPixelSize(R.dimen.vertical_drag_handle_size);
         mDragHandleBounds = new Rect(0, 0, mDragHandleSize, mDragHandleSize);
 
-        mAccessibilityHelper = new AccessibilityHelper();
+        mAccessibilityHelper = createAccessibilityHelper();
         ViewCompat.setAccessibilityDelegate(this, mAccessibilityHelper);
 
         mAM = (AccessibilityManager) context.getSystemService(ACCESSIBILITY_SERVICE);
     }
 
+    @NonNull
+    protected AccessibilityHelper createAccessibilityHelper() {
+        return new AccessibilityHelper();
+    }
+
     @Override
     public void setInsets(Rect insets) {
         updateDragHandleBounds();
@@ -190,6 +196,9 @@ public class ScrimView extends View implements Insettable, OnChangeListener,
         if (mCurrentFlatColor != 0) {
             canvas.drawColor(mCurrentFlatColor);
         }
+        if (mDragHandle != null) {
+            mDragHandle.draw(canvas);
+        }
     }
 
     @Override
@@ -323,7 +332,7 @@ public class ScrimView extends View implements Insettable, OnChangeListener,
                 : IMPORTANT_FOR_ACCESSIBILITY_AUTO);
     }
 
-    private class AccessibilityHelper extends ExploreByTouchHelper {
+    protected class AccessibilityHelper extends ExploreByTouchHelper {
 
         private static final int DRAG_HANDLE_ID = 1;