protected boolean dispatchTouchEvent(MotionEvent event) {
int x = (int) event.getX();
int y = (int) event.getY();
int action = event.getAction();
if (mMotionTarget != null) {
if (action == MotionEvent.ACTION_DOWN) {
MotionEvent cancel = MotionEvent.obtain(event);
cancel.setAction(MotionEvent.ACTION_CANCEL);
dispatchTouchEvent(cancel, x, y, mMotionTarget, false);
mMotionTarget = null;
} else {
dispatchTouchEvent(event, x, y, mMotionTarget, false);
if (action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) {
mMotionTarget = null;
}
return true;
}
}
if (action == MotionEvent.ACTION_DOWN) {
// in the reverse rendering order
for (int i = getComponentCount() - 1; i >= 0; --i) {
GLView component = getComponent(i);
if (component.getVisibility() != GLView.VISIBLE) continue;
if (dispatchTouchEvent(event, x, y, component, true)) {
mMotionTarget = component;
return true;
}
}
}
return onTouch(event);
}
private void removeOneComponent(GLView component) {
if (mMotionTarget == component) {
long now = SystemClock.uptimeMillis();
MotionEvent cancelEvent = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
dispatchTouchEvent(cancelEvent);
cancelEvent.recycle();
}
component.onDetachFromRoot();
component.mParent = null;
}
protected boolean dispatchTouchEvent(
MotionEvent event, int x, int y, GLView component, boolean checkBounds) {
Rect rect = component.mBounds;
int left = rect.left;
int top = rect.top;
if (!checkBounds || rect.contains(x, y)) {
event.offsetLocation(-left, -top);
if (component.dispatchTouchEvent(event)) {
event.offsetLocation(left, top);
return true;
}
event.offsetLocation(left, top);
}
return false;
}