@Override
public boolean onTouchEvent(MotionEvent event) {
boolean superOnTouchEvent = super.onTouchEvent(event);
if (!isEnabled()) return superOnTouchEvent;
boolean isEventInBounds = bounds.contains((int) event.getX(), (int) event.getY());
if (isEventInBounds) {
previousCoords.set(currentCoords.x, currentCoords.y);
currentCoords.set((int) event.getX(), (int) event.getY());
}
int action = event.getActionMasked();
switch (action) {
case MotionEvent.ACTION_UP:
if (pressed) {
childView.setPressed(true);
postDelayed(
new Runnable() {
@Override
public void run() {
childView.setPressed(false);
}
},
ViewConfiguration.getPressedStateDuration());
}
cancelPressedEvent();
break;
case MotionEvent.ACTION_CANCEL:
// currentCoords.set();
childView.onTouchEvent(event);
if (!pressed) startRipple();
cancelPressedEvent();
break;
case MotionEvent.ACTION_DOWN:
eventCancelled = false;
pressEvent = new PressEvent(event);
pressEvent.run();
/** *这里注意当这个控件是在ScrollView内部的时候的问题 ** */
break;
case MotionEvent.ACTION_MOVE:
if (isEventInBounds && !eventCancelled) invalidate();
else if (!isEventInBounds) startRipple();
if (!isEventInBounds) {
cancelPressedEvent();
if (hoverAnimator != null) hoverAnimator.cancel();
childView.onTouchEvent(event);
eventCancelled = true;
}
break;
}
return true;
}
@Override
public void onLongPress(MotionEvent e) {
hasPerformedLongPress = childView.performLongClick();
if (hasPerformedLongPress) {
startRipple();
}
cancelPressedEvent();
}