From aea80f40d8dc55b7de5b3d0efe78f63eeb7c2745 Mon Sep 17 00:00:00 2001
From: Jorim Jaggi <jjaggi@google.com>
Date: Mon, 10 Nov 2014 22:41:54 +0100
Subject: [PATCH] Cancel lockscreen/shade gestures when orientation changes

Bug: 18293929
Change-Id: Ifbf91c42fa9e68aa688ca4c390fcc24a358212a9
---
 .../SystemUI/src/com/android/systemui/SwipeHelper.java |  3 ++-
 .../statusbar/phone/NotificationPanelView.java         | 10 ++++++----
 .../android/systemui/statusbar/phone/PanelView.java    |  3 ++-
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
index f206e56338199..33f6564b948a4 100644
--- a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
@@ -453,7 +453,8 @@ public class SwipeHelper implements Gefingerpoken {
                             && !mTouchAboveFalsingThreshold;
 
                     boolean dismissChild = mCallback.canChildBeDismissed(mCurrView)
-                            && !falsingDetected && (childSwipedFastEnough || childSwipedFarEnough);
+                            && !falsingDetected && (childSwipedFastEnough || childSwipedFarEnough)
+                            && ev.getActionMasked() == MotionEvent.ACTION_UP;
 
                     if (dismissChild) {
                         // flingadingy
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 b531c681bca6e..9d7d310903385 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -523,7 +523,8 @@ public class NotificationPanelView extends PanelView implements
             case MotionEvent.ACTION_UP:
                 trackMovement(event);
                 if (mQsTracking) {
-                    flingQsWithCurrentVelocity();
+                    flingQsWithCurrentVelocity(
+                            event.getActionMasked() == MotionEvent.ACTION_CANCEL);
                     mQsTracking = false;
                 }
                 mIntercepting = false;
@@ -558,9 +559,9 @@ public class NotificationPanelView extends PanelView implements
         super.requestDisallowInterceptTouchEvent(disallowIntercept);
     }
 
-    private void flingQsWithCurrentVelocity() {
+    private void flingQsWithCurrentVelocity(boolean isCancelMotionEvent) {
         float vel = getCurrentVelocity();
-        flingSettings(vel, flingExpandsQs(vel));
+        flingSettings(vel, flingExpandsQs(vel) && !isCancelMotionEvent);
     }
 
     private boolean flingExpandsQs(float vel) {
@@ -729,7 +730,8 @@ public class NotificationPanelView extends PanelView implements
                 float fraction = getQsExpansionFraction();
                 if ((fraction != 0f || y >= mInitialTouchY)
                         && (fraction != 1f || y <= mInitialTouchY)) {
-                    flingQsWithCurrentVelocity();
+                    flingQsWithCurrentVelocity(
+                            event.getActionMasked() == MotionEvent.ACTION_CANCEL);
                 } else {
                     mScrollYOverride = -1;
                 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
index c706ef095cfa0..47ce6032c9b7f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
@@ -330,7 +330,8 @@ public abstract class PanelView extends FrameLayout {
                         vectorVel = (float) Math.hypot(
                                 mVelocityTracker.getXVelocity(), mVelocityTracker.getYVelocity());
                     }
-                    boolean expand = flingExpands(vel, vectorVel);
+                    boolean expand = flingExpands(vel, vectorVel)
+                            || event.getActionMasked() == MotionEvent.ACTION_CANCEL;
                     onTrackingStopped(expand);
                     DozeLog.traceFling(expand, mTouchAboveFalsingThreshold,
                             mStatusBar.isFalsingThresholdNeeded(),