private void menuOverlayRenderer_PointerReleased(object sender, Windows.UI.Xaml.Input.PointerRoutedEventArgs e)
{
var point = e.GetCurrentPoint(_mainCanvas);
if (point.PointerId != _pointID)
{
return;
}
_dragGesture.DragFinished();
_pointID = uint.MaxValue;
e.Handled = true;
}
public override bool OnTouchEvent(MotionEvent e)
{
if (_dragGesture == null)
{
return(false);
}
MotionEventActions action = e.Action & MotionEventActions.Mask;
if (action == MotionEventActions.Down)
{
_dragGesture.DragBegin(e.RawX, e.RawY);
}
if (action == MotionEventActions.Move)
{
_dragGesture.DragMoving(e.RawX, e.RawY);
}
if (action == MotionEventActions.Up)
{
_dragGesture.DragFinished();
}
return(true);
}
void LayoutMenu()
{
if (!CheckPageAndMenu())
{
return;
}
// areadly add gesture
if (_dragGesture != null)
{
return;
}
var menu = _basePage.SlideMenu;
_dragGesture = DragGestureFactory.GetGestureByView(menu);
_dragGesture.RequestLayout = (l, t, r, b, density) => {
_menuOverlayRenderer.NativeView.Frame = new CGRect(l, t, (r - l), (b - t));
_menuOverlayRenderer.NativeView.SetNeedsLayout();
};
_dragGesture.NeedShowBackgroundView = (open, alpha) => {
UIView.CommitAnimations();
if (open)
{
ShowBackgroundOverlay(alpha);
}
else
{
HideBackgroundOverlay();
}
};
_basePage.HideMenuAction = () => {
UIView.BeginAnimations("OpenAnimation");
UIView.SetAnimationDuration(((double)menu.AnimationDurationMillisecond) / 1000);
_dragGesture.LayoutHideStatus();
};
_basePage.ShowMenuAction = () => {
UIView.BeginAnimations("OpenAnimation");
UIView.SetAnimationDuration(((double)menu.AnimationDurationMillisecond) / 1000);
_dragGesture.LayoutShowStatus();
};
if (_menuOverlayRenderer == null)
{
_menuOverlayRenderer = Platform.CreateRenderer(menu);
Platform.SetRenderer(menu, _menuOverlayRenderer);
_panGesture = new UIPanGestureRecognizer(() => {
var p0 = _panGesture.LocationInView(_pageRenderer.View);
if (_panGesture.State == UIGestureRecognizerState.Began)
{
_dragGesture.DragBegin(p0.X, p0.Y);
}
else if (_panGesture.State == UIGestureRecognizerState.Changed &&
_panGesture.NumberOfTouches == 1)
{
_dragGesture.DragMoving(p0.X, p0.Y);
}
else if (_panGesture.State == UIGestureRecognizerState.Ended)
{
_dragGesture.DragFinished();
}
});
_menuOverlayRenderer.NativeView.AddGestureRecognizer(_panGesture);
}
var rect = _dragGesture.GetHidePosition();
menu.Layout(new Rectangle(
rect.left,
rect.top,
(rect.right - rect.left),
(rect.bottom - rect.top)));
_menuOverlayRenderer.NativeView.Hidden = !menu.IsVisible;
_menuOverlayRenderer.NativeView.Frame = new CGRect(
rect.left,
rect.top,
(rect.right - rect.left),
(rect.bottom - rect.top));
_menuOverlayRenderer.NativeView.SetNeedsLayout();
}
void LayoutMenu()
{
if (!CheckPageAndMenu ())
return;
// areadly add gesture
if (_dragGesture != null)
return;
var menu = _basePage.SlideMenu;
_dragGesture = DragGestureFactory.GetGestureByView (menu);
_dragGesture.RequestLayout = (l, t, r, b, density) => {
_menuOverlayRenderer.NativeView.Frame = new CGRect (l, t, (r - l), (b - t));
_menuOverlayRenderer.NativeView.SetNeedsLayout ();
};
_dragGesture.NeedShowBackgroundView = (open, alpha) => {
UIView.CommitAnimations ();
if (open)
ShowBackgroundOverlay (alpha);
else
HideBackgroundOverlay ();
};
_basePage.HideMenuAction = () => {
UIView.BeginAnimations ("OpenAnimation");
UIView.SetAnimationDuration (((double)menu.AnimationDurationMillisecond) / 1000);
_dragGesture.LayoutHideStatus ();
};
_basePage.ShowMenuAction = () => {
UIView.BeginAnimations ("OpenAnimation");
UIView.SetAnimationDuration (((double)menu.AnimationDurationMillisecond) / 1000);
_dragGesture.LayoutShowStatus ();
};
if (_menuOverlayRenderer == null) {
_menuOverlayRenderer = RendererFactory.GetRenderer (menu);
_panGesture = new UIPanGestureRecognizer (() => {
var p0 = _panGesture.LocationInView (_pageRenderer.View);
if (_panGesture.State == UIGestureRecognizerState.Began) {
_dragGesture.DragBegin (p0.X, p0.Y);
} else if (_panGesture.State == UIGestureRecognizerState.Changed
&& _panGesture.NumberOfTouches == 1) {
_dragGesture.DragMoving (p0.X, p0.Y);
} else if (_panGesture.State == UIGestureRecognizerState.Ended) {
_dragGesture.DragFinished ();
}
});
_menuOverlayRenderer.NativeView.AddGestureRecognizer (_panGesture);
}
var rect = _dragGesture.GetHidePosition ();
menu.Layout (new Xamarin.Forms.Rectangle (
rect.left,
rect.top,
(rect.right - rect.left),
(rect.bottom - rect.top)));
_menuOverlayRenderer.NativeView.Hidden = !menu.IsVisible;
_menuOverlayRenderer.NativeView.Frame = new CGRect (
rect.left,
rect.top,
(rect.right - rect.left),
(rect.bottom - rect.top));
_menuOverlayRenderer.NativeView.SetNeedsLayout ();
}