public NativeGestureCoordinator (Xamarin.Forms.View targetView)
{
NativeRecognizers = new List<BaseNativeGestureRecognizer> ();
TargetView = targetView;
TargetView.InputTransparent = false;
var renderer = TargetView.GetRenderer ();
if (renderer == null) {
TargetView.PropertyChanged += Recognizer_View_PropertyChanged;
} else {
Initialize ();
}
}
public void ApplyMaskToView (Xamarin.Forms.View view, ViewMaskerType maskType)
{
var renderer = view.GetRenderer ();
var nativeView = renderer.NativeView;
if (maskType == ViewMaskerType.None) {
view.SizeChanged -= OnSizeChanged;
nativeView.Layer.Mask = null;
} else {
var maskLayer = GetMaskShape (maskType, new Xamarin.Forms.Size (view.Width, view.Height));
maskLayer.Frame = nativeView.Bounds;
nativeView.Layer.Mask = maskLayer;
view.SizeChanged += OnSizeChanged;
}
nativeView.Tag = (int)maskType;
}
public CustomDialog(Xamarin.Forms.View content, bool _cancelable = false)
{
cancelable = _cancelable;
nativePopup = new System.Windows.Controls.Primitives.Popup();
nativePopup.VerticalOffset = 0;
nativePopup.HorizontalOffset = 0;
System.Windows.Controls.Grid wrap = new System.Windows.Controls.Grid();
var ScreenWidth = System.Windows.Application.Current.Host.Content.ActualWidth;
var ScreenHeight = System.Windows.Application.Current.Host.Content.ActualHeight;
wrap.Background = new SolidColorBrush(System.Windows.Media.Color.FromArgb(50, 50, 50, 50));
wrap.Height = XFPopupConst.SCREEN_HEIGHT;
wrap.Width = XFPopupConst.SCREEN_WIDTH;
wrap.MouseLeftButtonUp += (s, e) => {
if (cancelable)
{
nativePopup.IsOpen = false;
}
};
var boder = new Border();
boder.BorderThickness = new System.Windows.Thickness(1);
boder.Padding = new System.Windows.Thickness(5);
boder.BorderBrush = new SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 50, 50, 50));
boder.Background = new SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 255, 255, 255));
boder.VerticalAlignment = VerticalAlignment.Center;
boder.HorizontalAlignment = HorizontalAlignment.Center;
boder.Width = content.WidthRequest + 10;
boder.Height = content.HeightRequest + 10;
boder.CornerRadius = new CornerRadius(5);
var elm = (content.GetRenderer() as Panel);
elm.VerticalAlignment = VerticalAlignment.Top;
elm.HorizontalAlignment = HorizontalAlignment.Left;
boder.Child = elm;
wrap.Children.Add(boder);
nativePopup.Child = wrap;
nativePopup.IsOpen = false;
}
protected Xamarin.Forms.Point GetLocationInAncestorView (Xamarin.Forms.Point location, Xamarin.Forms.VisualElement view)
{
int[] nativeViewLocation = new int[2];
NativeView.GetLocationOnScreen (nativeViewLocation);
var nativeViewLocationOnScreen = new Xamarin.Forms.Point (nativeViewLocation [0], nativeViewLocation [1]);
var offsetLocation = new Xamarin.Forms.Point (location.X + nativeViewLocationOnScreen.X, location.Y + nativeViewLocationOnScreen.Y);
var targetViewRenderer = view.GetRenderer ();
var targetView = targetViewRenderer.ViewGroup;
int[] targetViewLocation = new int[2];
targetView.GetLocationOnScreen (targetViewLocation);
var nativeViewScreenLocation = new Xamarin.Forms.Point (targetViewLocation [0], targetViewLocation [1]);
var returnPoint = offsetLocation;
returnPoint.X -= nativeViewScreenLocation.X;
returnPoint.Y -= nativeViewScreenLocation.Y;
// Console.WriteLine ("offsetLocation {0} nativeViewLocationOnScreen {1} returnPoint", offsetLocation, nativeViewLocationOnScreen);
// Console.WriteLine ("location {0} parentViewLoc {1} returnPoint {2}", location, nativeViewScreenLocation, returnPoint);
return returnPoint;
}
public void ShowTopNoti(Xamarin.Forms.Page p, View noti, int msTTL = 1500)
{
var render = Convert(noti, p);
if (render != null)
{
var nanchor = p.GetRenderer() as Canvas;
p.WidthRequest = nanchor.ActualWidth - 10;
if (noti.HeightRequest <= 0)
{
var size = noti.GetSizeRequest(nanchor.ActualWidth - 10, XFPopupConst.SCREEN_HEIGHT / 2);
if (size.Request.Height > XFPopupConst.SCREEN_HEIGHT / 2)
{
noti.HeightRequest = XFPopupConst.SCREEN_HEIGHT / 2;
}
else
{
noti.HeightRequest = size.Request.Height;
}
}
noti.Layout(new Rectangle(0, 0, noti.WidthRequest, noti.HeightRequest));
var nativePopup = new System.Windows.Controls.Primitives.Popup();
nativePopup.VerticalOffset = 0;
nativePopup.HorizontalOffset = 0;
var boder = new Border();
boder.BorderThickness = new System.Windows.Thickness(1);
boder.Padding = new System.Windows.Thickness(5);
boder.BorderBrush = new SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 50, 50, 50));
boder.Background = new SolidColorBrush(System.Windows.Media.Color.FromArgb(255, 255, 255, 255));
boder.VerticalAlignment = VerticalAlignment.Top;
boder.HorizontalAlignment = HorizontalAlignment.Stretch;
boder.Width = noti.WidthRequest + 10;
boder.Height = noti.HeightRequest + 10;
boder.CornerRadius = new CornerRadius(5);
var elm = (render as Panel);
elm.VerticalAlignment = VerticalAlignment.Top;
elm.HorizontalAlignment = HorizontalAlignment.Left;
boder.Child = elm;
nativePopup.Child = boder;
nativePopup.IsOpen = true;
//
byte count = 0;
var dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
dispatcherTimer.Tick += (object sender, EventArgs e) => {
count++;
if (count >= 10) {
dispatcherTimer.Stop();
nativePopup.IsOpen = false;
}
boder.Background = new SolidColorBrush(System.Windows.Media.Color.FromArgb((byte)(255 - count * 25), 255, 255, 255));
};
dispatcherTimer.Interval = new TimeSpan(0, 0, 0,msTTL/10);
dispatcherTimer.Start();
}
}
public IVisualElementRenderer Convert(Xamarin.Forms.View source, Xamarin.Forms.VisualElement valid)
{
//only wp allow us to get renderer directly
IVisualElementRenderer render = source.GetRenderer();
if (render == null)
{
render = RendererFactory.GetRenderer(source);
source.SetRenderer(render);
if (valid != null)
{
var p = PlatformProperty.GetValue(valid);
if (p != null)
{
PlatformProperty.SetValue(source, p);
IsPlatformEnabledProperty.SetValue(source, true);
}
}
}
return render;
}
protected Xamarin.Forms.Point GetLocationInAncestorView(Xamarin.Forms.Point location, Xamarin.Forms.VisualElement view)
{
var targetViewRenderer = view.GetRenderer ();
var targetView = targetViewRenderer.ViewGroup;
var parent = NativeView;
var returnPoint = location;
while (parent != null && parent != targetView) {
returnPoint.X += parent.Left;
returnPoint.Y += parent.Top;
parent = NativeView.Parent as View;
}
return returnPoint;
}
public void ToggleViewShadow (Xamarin.Forms.View view, bool isOn)
{
var renderer = view.GetRenderer ();
var nativeView = renderer.NativeView;
nativeView.Layer.ShadowColor = UIColor.Black.CGColor;
nativeView.Layer.ShadowOpacity = isOn ? 1 : 0;
nativeView.Layer.ShadowOffset = isOn ? new CGSize (10, 10) : CGSize.Empty;
}
