Gesture exclusion for seekbar thumbs/edit handles

Track gesture exclusion rects for seekbars and EditText selection and
cursor handles.

Bug: 133845668
Bug: 129338678
Test: cts/manual
Change-Id: I029d8ba465459f8ecaa14ee8ad0f5f4139b24e65

2 files changed, 37 insertions, 0 deletions

diff --git a/core/java/android/widget/AbsSeekBar.java b/core/java/android/widget/AbsSeekBar.java
index 18c6abb3f5f1..50bb6883b903 100644
--- a/core/java/android/widget/AbsSeekBar.java
+++ b/core/java/android/widget/AbsSeekBar.java
@@ -38,6 +38,11 @@ import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.inspector.InspectableProperty;
 
 import com.android.internal.R;
+import com.android.internal.util.Preconditions;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 
 
 /**
@@ -91,6 +96,10 @@ public abstract class AbsSeekBar extends ProgressBar {
     @UnsupportedAppUsage
     private boolean mIsDragging;
 
+    private List<Rect> mUserGestureExclusionRects = Collections.emptyList();
+    private final List<Rect> mGestureExclusionRects = new ArrayList<>();
+    private final Rect mThumbRect = new Rect();
+
     public AbsSeekBar(Context context) {
         super(context);
     }
@@ -735,6 +744,27 @@ public abstract class AbsSeekBar extends ProgressBar {
 
         // Canvas will be translated, so 0,0 is where we start drawing
         thumb.setBounds(left, top, right, bottom);
+        updateGestureExclusionRects();
+    }
+
+    @Override
+    public void setSystemGestureExclusionRects(@NonNull List<Rect> rects) {
+        Preconditions.checkNotNull(rects, "rects must not be null");
+        mUserGestureExclusionRects = rects;
+        updateGestureExclusionRects();
+    }
+
+    private void updateGestureExclusionRects() {
+        final Drawable thumb = mThumb;
+        if (thumb == null) {
+            super.setSystemGestureExclusionRects(mUserGestureExclusionRects);
+            return;
+        }
+        mGestureExclusionRects.clear();
+        thumb.copyBounds(mThumbRect);
+        mGestureExclusionRects.add(mThumbRect);
+        mGestureExclusionRects.addAll(mUserGestureExclusionRects);
+        super.setSystemGestureExclusionRects(mGestureExclusionRects);
     }
 
     /**
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index c9ef038b78de..cac75cfd8432 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -134,6 +134,7 @@ import java.lang.annotation.RetentionPolicy;
 import java.text.BreakIterator;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
@@ -5097,6 +5098,12 @@ public class Editor {
         void onHandleMoved() {}
 
         public void onDetached() {}
+
+        @Override
+        protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+            super.onSizeChanged(w, h, oldw, oldh);
+            setSystemGestureExclusionRects(Collections.singletonList(new Rect(0, 0, w, h)));
+        }
     }
 
     private class InsertionHandleView extends HandleView {