/// <summary>
/// Animates the hidden menu for the given row, if it has one.
/// </summary>
/// <param name="position">Position.</param>
public void SmoothOpenMenu(int position)
{
var lm = GetLayoutManager();
var v = lm.FindViewByPosition(position) as SwipeMenuLayout;
if (v != null)
{
touchPosition = position;
if (touchView != null && touchView.isOpen)
{
touchView.Close();
}
touchView = v;
touchView.Open();
}
}
public override bool OnInterceptTouchEvent(MotionEvent ev)
{
if (ev.Action != MotionEventActions.Down && touchView == null)
{
return(base.OnInterceptTouchEvent(ev));
}
else if (!swipingEnabled)
{
return(base.OnInterceptTouchEvent(ev));
}
switch (ev.Action)
{
case MotionEventActions.Down:
dx = dy = 0.0f;
startClickTime = DateTime.Now;
int oldPos = touchPosition;
downX = ev.GetX();
downY = ev.GetY();
touchState = ETouchState.None;
touchPosition = GetChildAdapterPosition(FindChildViewUnder(downX, downY));
if (touchPosition == oldPos && touchView != null && touchView.isOpen)
{
if (!touchView.OnTouchEvent(ev))
{
touchState = ETouchState.X;
touchView.OnSwipe(ev);
}
}
// Find the touched child view
View view = null;
var vh = FindViewHolderForAdapterPosition(touchPosition);
if (vh != null)
{
view = vh.ItemView;
}
if (touchPosition != oldPos && touchView != null && touchView.isOpen)
{
touchView.Close();
touchView = null;
var cancelEvent = MotionEvent.Obtain(ev);
cancelEvent.Action = MotionEventActions.Cancel;
base.OnTouchEvent(cancelEvent);
L.D(this, "Returning true");
return(true);
}
touchView = view as SwipeMenuLayout;
if (touchView != null)
{
touchView.recyclerView = this;
touchView.OnSwipe(ev);
}
break; // MotionEventActions.Down
case MotionEventActions.Move:
dx = Math.Abs(ev.GetX() - downX);
dy = Math.Abs(ev.GetY() - downY);
if (touchState == ETouchState.X && touchView.isSwipeEnabled)
{
touchView.OnSwipe(ev);
ev.Action = MotionEventActions.Cancel;
base.OnTouchEvent(ev);
}
else if (touchState == ETouchState.None && touchView.isSwipeEnabled)
{
if (Math.Abs(dy) > viewConfig.ScaledTouchSlop)
{
touchState = ETouchState.Y;
}
else if (dx > viewConfig.ScaledTouchSlop)
{
touchState = ETouchState.X;
NotifySwipeStart(touchPosition);
}
}
break; // MotionEventActions.Move
case MotionEventActions.Up:
bool isCloseOnUpEvent = false;
if (touchState == ETouchState.X && touchView.isSwipeEnabled)
{
isCloseOnUpEvent = !touchView.OnSwipe(ev);
NotifySwipeEnd(touchPosition);
if (!touchView.isOpen)
{
touchPosition = -1;
touchView = null;
}
ev.Action = MotionEventActions.Cancel;
base.OnTouchEvent(ev);
}
var clickDuration = DateTime.Now - startClickTime;
var isOutOfTime = clickDuration > TimeSpan.FromMilliseconds(ViewConfiguration.LongPressTimeout);
var isOutX = dx > viewConfig.ScaledTouchSlop;
var isOutY = dy > viewConfig.ScaledTouchSlop;
if (isOutOfTime || isOutX || isOutY)
{
return(true);
}
else
{
var evX = ev.GetX();
var evY = ev.GetY();
var upView = FindChildViewUnder(evX, evY) as SwipeMenuLayout;
if (upView != null)
{
var x = evX - upView.Left;
var y = evY - upView.Top;
var mv = upView.background;
var tx = mv.TranslationY;
var ty = mv.TranslationX;
if (!(x >= mv.Left + tx && x <= mv.Right + tx && y >= mv.Top + ty && y <= mv.Bottom + ty) && isCloseOnUpEvent)
{
return(true);
}
}
}
break; // MotionEventActions.Up;
case MotionEventActions.Cancel:
if (touchView != null && touchView.isSwipeEnabled)
{
ev.Action = MotionEventActions.Up;
touchView.OnSwipe(ev);
}
break; // MotionEventActions.Cancel
}
return(base.OnInterceptTouchEvent(ev));
}
