commit 745df7c4836a59e61c9718681d8d032c31b3ee47
author Sunny Goyal <sunnygoyal@google.com> Wed Apr 03 15:25:00 2019 -0700
committer Sunny Goyal <sunnygoyal@google.com> Wed Apr 03 15:26:18 2019 -0700
tree db7a3c401c4a8487f61239e56ea3722f59e855a4
parent 1f95993e137676150ba82012ed09e26007726c65

Skipping touch dispatch when it happens withing the window gesture region

> Those events are already proxied through the TouchInteractionService

Change-Id: If06483f208cbd462fdfdf01abba27bd937b766e7

src/com/android/launcher3/LauncherRootView.java

diff --git a/src/com/android/launcher3/LauncherRootView.java b/src/com/android/launcher3/LauncherRootView.java
index 9f6e5cd..e738eb7 100644
--- a/src/com/android/launcher3/LauncherRootView.java
+++ b/src/com/android/launcher3/LauncherRootView.java
@@ -8,11 +8,15 @@
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.Insets;
 import android.graphics.Paint;
 import android.graphics.Rect;
+import android.graphics.RectF;
 import android.util.AttributeSet;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewDebug;
+import android.view.WindowInsets;
 
 public class LauncherRootView extends InsettableFrameLayout {
 
@@ -23,6 +27,9 @@
     @ViewDebug.ExportedProperty(category = "launcher")
     private final Rect mConsumedInsets = new Rect();
 
+    @ViewDebug.ExportedProperty(category = "launcher")
+    private final RectF mTouchExcludeRegion = new RectF();
+
     private View mAlignedView;
     private WindowStateListener mWindowStateListener;
 
@@ -145,6 +152,31 @@
         }
     }
 
+    @Override
+    public WindowInsets dispatchApplyWindowInsets(WindowInsets insets) {
+        if (Utilities.ATLEAST_Q) {
+            Insets gestureInsets = insets.getMandatorySystemGestureInsets();
+            mTouchExcludeRegion.set(gestureInsets.left, gestureInsets.top,
+                    gestureInsets.right, gestureInsets.bottom);
+        }
+        return super.dispatchApplyWindowInsets(insets);
+    }
+
+    @Override
+    public boolean dispatchTouchEvent(MotionEvent ev) {
+        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
+            float x = ev.getX();
+            float y = ev.getY();
+            if (y < mTouchExcludeRegion.top
+                    || x < mTouchExcludeRegion.left
+                    || x > (getWidth() - mTouchExcludeRegion.right)
+                    || y > (getHeight() - mTouchExcludeRegion.bottom)) {
+                return false;
+            }
+        }
+        return super.dispatchTouchEvent(ev);
+    }
+
     public interface WindowStateListener {
 
         void onWindowFocusChanged(boolean hasFocus);