@Override
public boolean dispatchTouchEvent(MotionEvent event) {
if (!onFilterTouchEventForSecurity(event)) return false;
int action = event.getAction();
double dx = event.getX() - mCenterX;
double dy = mCenterY - event.getY();
double radius = Math.sqrt(dx * dx + dy * dy);
// Check if the event should be dispatched to the shutter button.
if (radius <= mShutterButtonRadius) {
if (mIndicatorControlWheel.getVisibility() == View.VISIBLE) {
mIndicatorControlWheel.onTouchOutBound();
} else {
return mZoomControlWheel.dispatchTouchEvent(event);
}
if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_UP) {
return mShutterButton.dispatchTouchEvent(event);
}
return false;
}
if (mShutterButton.isPressed()) {
// Send cancel to the shutter button if it was pressed.
event.setAction(MotionEvent.ACTION_CANCEL);
mShutterButton.dispatchTouchEvent(event);
return true;
}
if (mIndicatorControlWheel.getVisibility() == View.VISIBLE) {
return mIndicatorControlWheel.dispatchTouchEvent(event);
} else {
return mZoomControlWheel.dispatchTouchEvent(event);
}
}
