From 9dc3209913cf3bcb6b46b6481321a054667be9a3 Mon Sep 17 00:00:00 2001
From: Adrian Roos <roosa@google.com>
Date: Tue, 2 Sep 2014 23:34:10 +0200
Subject: [PATCH] Disable touch dispatch while adjusting brightness

Prevents new pointers from being added while the shade
is transparent so that nothing gets touched by accident.

Bug: 17113634
Change-Id: I4a607d08dbccd467280159060846edd32db9c512
---
 .../statusbar/phone/StatusBarWindowView.java      | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
index e1fd77970e41a..1811d8d249528 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
@@ -42,6 +42,7 @@ public class StatusBarWindowView extends FrameLayout {
     private DragDownHelper mDragDownHelper;
     private NotificationStackScrollLayout mStackScrollLayout;
     private NotificationPanelView mNotificationPanel;
+    private View mBrightnessMirror;
 
     PhoneStatusBar mService;
 
@@ -72,6 +73,7 @@ public class StatusBarWindowView extends FrameLayout {
                 R.id.notification_stack_scroller);
         mNotificationPanel = (NotificationPanelView) findViewById(R.id.notification_panel);
         mDragDownHelper = new DragDownHelper(getContext(), this, mStackScrollLayout, mService);
+        mBrightnessMirror = findViewById(R.id.brightness_mirror);
 
         // We really need to be able to animate while window animations are going on
         // so that activities may be started asynchronously from panel animations
@@ -105,6 +107,19 @@ public class StatusBarWindowView extends FrameLayout {
         return super.dispatchKeyEvent(event);
     }
 
+    @Override
+    public boolean dispatchTouchEvent(MotionEvent ev) {
+        if (mBrightnessMirror != null && mBrightnessMirror.getVisibility() == VISIBLE) {
+            // Disallow new pointers while the brightness mirror is visible. This is so that you
+            // can't touch anything other than the brightness slider while the mirror is showing
+            // and the rest of the panel is transparent.
+            if (ev.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN) {
+                return false;
+            }
+        }
+        return super.dispatchTouchEvent(ev);
+    }
+
     @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         boolean intercept = false;