Don't listen for the pinch gesture if the workspace is locked.

Bug: 27639653
Change-Id: I1f3b324a4b95cc5deaa2513dcbf4ed5a158a4866

1 files changed, 10 insertions, 2 deletions

diff --git a/src/com/android/launcher3/PinchToOverviewListener.java b/src/com/android/launcher3/PinchToOverviewListener.java
index ef4748528..02b60446d 100644
--- a/src/com/android/launcher3/PinchToOverviewListener.java
+++ b/src/com/android/launcher3/PinchToOverviewListener.java
@@ -63,16 +63,24 @@ public class PinchToOverviewListener extends ScaleGestureDetector.SimpleOnScaleG
             // Don't listen for the pinch gesture if we are already animating from a previous one.
             return false;
         }
+        if (mLauncher.isWorkspaceLocked()) {
+            // Don't listen for the pinch gesture if the workspace isn't ready.
+            return false;
+        }
         if (mWorkspace == null) {
-            mWorkspace = mLauncher.mWorkspace;
+            mWorkspace = mLauncher.getWorkspace();
             mThresholdManager = new PinchThresholdManager(mWorkspace);
             mAnimationManager = new PinchAnimationManager(mLauncher);
         }
         if (mWorkspace.isSwitchingState() || mWorkspace.mScrollInteractionBegan) {
-            // Don't listen to pinches occurring while switching state, as it will cause a jump
+            // Don't listen for the pinch gesture while switching state, as it will cause a jump
             // once the state switching animation is complete.
             return false;
         }
+        if (mWorkspace.getOpenFolder() != null) {
+            // Don't listen for the pinch gesture if a folder is open.
+            return false;
+        }
 
         mPreviousProgress = mWorkspace.isInOverviewMode() ? OVERVIEW_PROGRESS : WORKSPACE_PROGRESS;
         mPreviousTimeMillis = System.currentTimeMillis();