Merge "Use motion event time instead of system time when detecting motion pause" into ub-launcher3-master

quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/touchcontrollers/FlingAndHoldTouchController.java

@@ -27,6 +27,7 @@ import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.view.HapticFeedbackConstants;
+import android.view.MotionEvent;
 
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherState;
@@ -96,9 +97,9 @@ public class FlingAndHoldTouchController extends PortraitStatesTouchController {
     }
 
     @Override
-    public boolean onDrag(float displacement) {
-        mMotionPauseDetector.addPosition(displacement, 0);
-        return super.onDrag(displacement);
+    public boolean onDrag(float displacement, MotionEvent event) {
+        mMotionPauseDetector.addPosition(displacement, 0, event.getEventTime());
+        return super.onDrag(displacement, event);
     }
 
     @Override

quickstep/recents_ui_overrides/src/com/android/quickstep/AssistantTouchConsumer.java

@@ -170,7 +170,7 @@ public class AssistantTouchConsumer implements InputConsumer {
                     // Movement
                     mDistance = (float) Math.hypot(mLastPos.x - mStartDragPos.x,
                             mLastPos.y - mStartDragPos.y);
-                    mMotionPauseDetector.addPosition(mDistance, 0);
+                    mMotionPauseDetector.addPosition(mDistance, 0, ev.getEventTime());
                     if (mDistance >= 0) {
                         final long diff = SystemClock.uptimeMillis() - mDragTime;
                         mTimeFraction = Math.min(diff * 1f / mTimeThreshold, 1);

quickstep/recents_ui_overrides/src/com/android/quickstep/OtherActivityInputConsumer.java

@@ -252,7 +252,8 @@ public class OtherActivityInputConsumer extends ContextWrapper implements InputC
                         float orthogonalDisplacement = !isLandscape
                                 ? ev.getX() - mDownPos.x
                                 : ev.getY() - mDownPos.y;
-                        mMotionPauseDetector.addPosition(displacement, orthogonalDisplacement);
+                        mMotionPauseDetector.addPosition(displacement, orthogonalDisplacement,
+                                ev.getEventTime());
                     }
                 }
                 break;

quickstep/src/com/android/quickstep/util/MotionPauseDetector.java

@@ -17,7 +17,6 @@ package com.android.quickstep.util;
 
 import android.content.Context;
 import android.content.res.Resources;
-import android.os.SystemClock;
 import android.view.MotionEvent;
 
 import com.android.launcher3.Alarm;
@@ -80,7 +79,7 @@ public class MotionPauseDetector {
      *
      * TODO: Use historical positions as well, e.g. {@link MotionEvent#getHistoricalY(int, int)}.
      */
-    public void addPosition(float position, float orthogonalPosition) {
+    public void addPosition(float position, float orthogonalPosition, long time) {
         if (mFirstPosition == null) {
             mFirstPosition = position;
         }
@@ -88,7 +87,6 @@ public class MotionPauseDetector {
             mFirstOrthogonalPosition = orthogonalPosition;
         }
         mForcePauseTimeout.setAlarm(FORCE_PAUSE_TIMEOUT);
-        long time = SystemClock.uptimeMillis();
         if (mPreviousTime != null && mPreviousPosition != null) {
             long changeInTime = Math.max(1, time - mPreviousTime);
             float changeInPosition = position - mPreviousPosition;

src/com/android/launcher3/touch/SwipeDetector.java

@@ -219,6 +219,10 @@ public class SwipeDetector {
 
         boolean onDrag(float displacement);
 
+        default boolean onDrag(float displacement, MotionEvent event) {
+            return onDrag(displacement);
+        }
+
         void onDragEnd(float velocity, boolean fling);
     }
 
@@ -307,7 +311,7 @@ public class SwipeDetector {
                     setState(ScrollState.DRAGGING);
                 }
                 if (mState == ScrollState.DRAGGING) {
-                    reportDragging();
+                    reportDragging(ev);
                 }
                 mLastPos.set(ev.getX(pointerIndex), ev.getY(pointerIndex));
                 break;
@@ -359,14 +363,14 @@ public class SwipeDetector {
         return mDir.isPositive(mSubtractDisplacement);
     }
 
-    private boolean reportDragging() {
+    private boolean reportDragging(MotionEvent event) {
         if (mDisplacement != mLastDisplacement) {
             if (DBG) {
                 Log.d(TAG, String.format("onDrag disp=%.1f", mDisplacement));
             }
 
             mLastDisplacement = mDisplacement;
-            return mListener.onDrag(mDisplacement - mSubtractDisplacement);
+            return mListener.onDrag(mDisplacement - mSubtractDisplacement, event);
         }
         return true;
     }