Clean up interfaces for StackScrollLayout.

Test: Automated tests should pass.
Change-Id: Ibf2718bfaacff0adcfca7ef8ca2f3eb2b867debf

1 files changed, 9 insertions, 0 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
index 0215fda81485..3fe99445f49d 100644
--- a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
@@ -87,6 +87,8 @@ public class SwipeHelper implements Gefingerpoken {
     private Runnable mWatchLongPress;
     private final long mLongPressTimeout;
 
+    protected boolean mSwipingInProgress;
+
     final private int[] mTmpPos = new int[2];
     private final int mFalsingThreshold;
     private boolean mTouchAboveFalsingThreshold;
@@ -127,6 +129,10 @@ public class SwipeHelper implements Gefingerpoken {
         mDisableHwLayers = disableHwLayers;
     }
 
+    public boolean isSwipingInProgress() {
+        return mSwipingInProgress;
+    }
+
     private float getPos(MotionEvent ev) {
         return mSwipeDirection == X ? ev.getX() : ev.getY();
     }
@@ -318,6 +324,7 @@ public class SwipeHelper implements Gefingerpoken {
                     if (Math.abs(delta) > mPagingTouchSlop
                             && Math.abs(delta) > Math.abs(deltaPerpendicular)) {
                         if (mCallback.canChildBeDragged(mCurrView)) {
+                            mSwipingInProgress = true;
                             mCallback.onBeginDrag(mCurrView);
                             mDragging = true;
                             mInitialTouchPos = getPos(ev);
@@ -437,6 +444,7 @@ public class SwipeHelper implements Gefingerpoken {
                     wasRemoved = row.isRemoved();
                 }
                 if (!mCancelled || wasRemoved) {
+                    mSwipingInProgress = false;
                     mCallback.onChildDismissed(animView);
                 }
                 if (endAction != null) {
@@ -626,6 +634,7 @@ public class SwipeHelper implements Gefingerpoken {
                                 !swipedFastEnough() /* useAccelerateInterpolator */);
                     } else {
                         // snappity
+                        mSwipingInProgress = false;
                         mCallback.onDragCancelled(mCurrView);
                         snapChild(mCurrView, 0 /* leftTarget */, velocity);
                     }