Merge "Fix racing condition of mTouchExcludeRegion" (6007d9aa) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/DisplayContent.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -241,6 +241,7 @@ class DisplayContent {
		mTouchExcludeRegion.op(mTmpRect, Region.Op.DIFFERENCE);
		}
		}
		mTapDetector.setTouchExcludeRegion(mTouchExcludeRegion);
		}

		void switchUserStacks(int newUserId) {

+16 −9

Original line number	Diff line number	Diff line
		@@ -31,7 +31,7 @@ public class StackTapPointerEventListener implements PointerEventListener {
		private float mDownX;
		private float mDownY;
		private int mPointerId;
		final private Region mTouchExcludeRegion;
		final private Region mTouchExcludeRegion = new Region();
		private final WindowManagerService mService;
		private final DisplayContent mDisplayContent;

		@@ -39,7 +39,6 @@ public class StackTapPointerEventListener implements PointerEventListener {
		DisplayContent displayContent) {
		mService = service;
		mDisplayContent = displayContent;
		mTouchExcludeRegion = displayContent.mTouchExcludeRegion;
		DisplayInfo info = displayContent.getDisplayInfo();
		mMotionSlop = (int)(info.logicalDensityDpi * TAP_MOTION_SLOP_INCHES);
		}
		@@ -72,6 +71,7 @@ public class StackTapPointerEventListener implements PointerEventListener {
		if (mPointerId == motionEvent.getPointerId(index)) {
		final int x = (int)motionEvent.getX(index);
		final int y = (int)motionEvent.getY(index);
		synchronized(this) {
		if ((motionEvent.getEventTime() - motionEvent.getDownTime())
		< TAP_TIMEOUT_MSEC
		&& Math.abs(x - mDownX) < mMotionSlop
		@@ -80,10 +80,17 @@ public class StackTapPointerEventListener implements PointerEventListener {
		mService.mH.obtainMessage(H.TAP_OUTSIDE_STACK, x, y,
		mDisplayContent).sendToTarget();
		}
		}
		mPointerId = -1;
		}
		break;
		}
		}
		}

		void setTouchExcludeRegion(Region newRegion) {
		synchronized (this) {
		mTouchExcludeRegion.set(newRegion);
		}
		}
		}