From aaf32f69d69a966700acea5fdaa7dce95637cef5 Mon Sep 17 00:00:00 2001
From: Mady Mellor <madym@google.com>
Date: Fri, 1 May 2015 17:06:50 -0700
Subject: [PATCH] Provide a way for a stylus to access the quick settings menu

You can access quick settings with a 2 finger drag, this change allows a
stylus to access quick settings using press either stylus button + drag.

Bug: 19916487
Change-Id: I3887f12980fc1be3d5a966ad8cc67abe93545a2a
---
 .../statusbar/phone/NotificationPanelView.java | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index a8ecc42ef2ac3..42d805f37ef2e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -706,7 +706,8 @@ public class NotificationPanelView extends PanelView implements
     }
 
     private boolean handleQsTouch(MotionEvent event) {
-        if (event.getActionMasked() == MotionEvent.ACTION_DOWN && getExpandedFraction() == 1f
+        final int action = event.getActionMasked();
+        if (action == MotionEvent.ACTION_DOWN && getExpandedFraction() == 1f
                 && mStatusBar.getBarState() != StatusBarState.KEYGUARD && !mQsExpanded
                 && mQsExpansionEnabled) {
 
@@ -727,16 +728,21 @@ public class NotificationPanelView extends PanelView implements
                 return true;
             }
         }
-        if (event.getActionMasked() == MotionEvent.ACTION_CANCEL
-                || event.getActionMasked() == MotionEvent.ACTION_UP) {
+        if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) {
             mConflictingQsExpansionGesture = false;
         }
-        if (event.getActionMasked() == MotionEvent.ACTION_DOWN && isFullyCollapsed()
+        if (action == MotionEvent.ACTION_DOWN && isFullyCollapsed()
                 && mQsExpansionEnabled) {
             mTwoFingerQsExpandPossible = true;
         }
-        if (mTwoFingerQsExpandPossible && event.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN
-                && event.getPointerCount() == 2
+        final int pointerCount = event.getPointerCount();
+        final boolean twoFingerDrag = action == MotionEvent.ACTION_POINTER_DOWN
+                && pointerCount == 2;
+        final boolean stylusClickDrag = action == MotionEvent.ACTION_DOWN
+                && pointerCount == 1 && event.getToolType(0) == MotionEvent.TOOL_TYPE_STYLUS
+                && (event.isButtonPressed(MotionEvent.BUTTON_SECONDARY)
+                        || event.isButtonPressed(MotionEvent.BUTTON_TERTIARY));
+        if (mTwoFingerQsExpandPossible && (twoFingerDrag || stylusClickDrag)
                 && event.getY(event.getActionIndex()) < mStatusBarMinHeight) {
             mQsExpandImmediate = true;
             requestPanelHeightUpdate();