// Passes the touch event to ScaleGestureDetector so that its internal
// state won't go wrong, but instructs the listener to ignore the result
// of processing, if any.
void passTouchEventThrough(MotionEvent event) {
mMultiTouchListener.setTemporarilyIgnoreDetectorEvents(true);
try {
mMultiTouchDetector.onTouchEvent(event);
} catch (Exception e) {
Log.e(TAG, "ScaleGestureDetector got into a bad state!", e);
assert (false);
}
}
// Passes the touch event to ScaleGestureDetector so that its internal state
// won't go wrong. ScaleGestureDetector needs two pointers in a MotionEvent
// to recognize a zoom gesture.
boolean processTouchEvent(MotionEvent event) {
// TODO: Need to deal with multi-touch transition
mMultiTouchListener.setTemporarilyIgnoreDetectorEvents(false);
try {
return mMultiTouchDetector.onTouchEvent(event);
} catch (Exception e) {
Log.e(TAG, "ScaleGestureDetector got into a bad state!", e);
assert (false);
}
return false;
}
void updateMultiTouchSupport() {
mMultiTouchListener.setPermanentlyIgnoreDetectorEvents(
!mContentViewCore.getContentSettings().supportsMultiTouchZoom());
}
boolean isMultiTouchZoomSupported() {
return !mMultiTouchListener.getPermanentlyIgnoreDetectorEvents();
}
