some touch event debugging (03ab0c72) · Commits · e / os / android_frameworks_base

core/java/android/view/ViewGroup.java

+23 −0

Original line number	Diff line number	Diff line
		@@ -129,6 +129,16 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		private int[] mTmpPointerIds;
		private MotionEvent.PointerCoords[] mTmpPointerCoords;

		// For debugging only. You can see these in hierarchyviewer.
		@ViewDebug.ExportedProperty(category = "events")
		private long mLastTouchDownTime;
		@ViewDebug.ExportedProperty(category = "events")
		private int mLastTouchDownIndex = -1;
		@ViewDebug.ExportedProperty(category = "events")
		private float mLastTouchDownX;
		@ViewDebug.ExportedProperty(category = "events")
		private float mLastTouchDownY;

		/**
		* Internal flags.
		*
		@@ -1157,6 +1167,10 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		resetCancelNextUpFlag(child);
		if (dispatchTransformedTouchEvent(ev, false, child, idBitsToAssign)) {
		// Child wants to receive touch within its bounds.
		mLastTouchDownTime = ev.getDownTime();
		mLastTouchDownIndex = i;
		mLastTouchDownX = ev.getX();
		mLastTouchDownY = ev.getY();
		newTouchTarget = addTouchTarget(child, idBitsToAssign);
		alreadyDispatchedToNewTouchTarget = true;
		break;
		@@ -2805,6 +2819,9 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		}
		children[index] = child;
		mChildrenCount++;
		if (mLastTouchDownIndex >= index) {
		mLastTouchDownIndex++;
		}
		} else {
		throw new IndexOutOfBoundsException("index=" + index + " count=" + count);
		}
		@@ -2825,6 +2842,12 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		} else {
		throw new IndexOutOfBoundsException();
		}
		if (mLastTouchDownIndex == index) {
		mLastTouchDownTime = 0;
		mLastTouchDownIndex = -1;
		} else if (mLastTouchDownIndex > index) {
		mLastTouchDownIndex--;
		}
		}

		// This method also sets the children's mParent to null