public void Init(IVisualElementRenderer renderer, VisualElementRendererFlags flags = VisualElementRendererFlags.AutoPackage | VisualElementRendererFlags.AutoTrack)
{
_flags = flags;
_packager = new VisualElementPackager(renderer);
_events = new EventTracker(renderer);
_tracker = new VisualElementTracker(renderer);
_tracker.NativeControlUpdated += OnNativeControlUpdated;
if (AutoTrack)
{
if (renderer is UIView uiView)
{
_events.LoadEvents(uiView);
}
else
{
throw new InvalidRendererException("IVisualElementRenderer must be of type 'UIView'");
}
}
if (AutoPackage)
{
_packager?.Load();
}
}
public void SetElement(VisualElement element)
{
var oldElement = Element;
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
}
Element = element;
if (Element != null)
{
Element.PropertyChanged += HandlePropertyChanged;
}
this.RemoveAllSubviews();
Tracker = new VisualElementTracker(this);
Packager = new VisualElementPackager(this);
Packager.Load();
var view = Element as XfxCardView;
if (view == null)
{
return;
}
SetCardBackgroundColor();
SetElevation();
RaiseElementChanged(new VisualElementChangedEventArgs(oldElement, Element));
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
//var uiTapGestureRecognizer = new UITapGestureRecognizer(a => View.EndEditing(true));
//uiTapGestureRecognizer.ShouldRecognizeSimultaneously = (recognizer, gestureRecognizer) => true;
//uiTapGestureRecognizer.ShouldReceiveTouch = OnShouldReceiveTouch;
//uiTapGestureRecognizer.DelaysTouchesBegan =
// uiTapGestureRecognizer.DelaysTouchesEnded = uiTapGestureRecognizer.CancelsTouchesInView = false;
//View.AddGestureRecognizer(uiTapGestureRecognizer);
UpdatedCurrentPage();
_packager = new VisualElementPackager(this);
_packager.Load();
Element.PropertyChanged += OnHandlePropertyChanged;
_tracker = new VisualElementTracker(this);
_events = new EventTracker(this);
_events.LoadEvents(View);
//Element.SendViewInitialized(View);
}
public void SetElement(VisualElement element)
{
var oldElement = Element;
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
}
Element = element;
if (Element != null)
{
//UpdateContent ();
Element.PropertyChanged += HandlePropertyChanged;
}
ViewGroup.RemoveAllViews();
//sizes to match the forms view
//updates properties, handles visual element properties
Tracker = new VisualElementTracker(this);
Packager = new VisualElementPackager(this);
Packager.Load();
UseCompatPadding = true;
SetContentPadding((int)TheView.Padding.Left, (int)TheView.Padding.Top,
(int)TheView.Padding.Right, (int)TheView.Padding.Bottom);
Radius = TheView.CornerRadius;
SetCardBackgroundColor(TheView.BackgroundColor.ToAndroid());
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(oldElement, Element));
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
UpdateDataSource();
var uiTapGestureRecognizer = new UITapGestureRecognizer(a => View.EndEditing(true))
{
ShouldRecognizeSimultaneously = (recognizer, gestureRecognizer) => true,
ShouldReceiveTouch = OnShouldReceiveTouch
};
uiTapGestureRecognizer.DelaysTouchesBegan =
uiTapGestureRecognizer.DelaysTouchesEnded = uiTapGestureRecognizer.CancelsTouchesInView = false;
View.AddGestureRecognizer(uiTapGestureRecognizer);
UpdateBackground();
_packager = new VisualElementPackager(this);
_packager.Load();
Element.PropertyChanged += OnHandlePropertyChanged;
_tracker = new VisualElementTracker(this);
_events = new EventTracker(this);
_events.LoadEvents(View);
var sendViewInitialized = typeof(Xamarin.Forms.Forms).GetMethod("SendViewInitialized", BindingFlags.Static | BindingFlags.NonPublic);
sendViewInitialized?.Invoke(Element, new object[] { Element, NativeView });
}
protected virtual void OnElementChanged(ElementChangedEventArgs <Frame> e)
{
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(e.OldElement, e.NewElement));
if (e.OldElement != null)
{
e.OldElement.PropertyChanged -= OnElementPropertyChanged;
UnsubscribeGestureRecognizers(e.OldElement);
}
if (e.NewElement != null)
{
if (_visualElementTracker == null)
{
SetOnClickListener(this);
SetOnTouchListener(this);
UpdateGestureRecognizers(true);
_visualElementTracker = new VisualElementTracker(this);
_visualElementPackager = new VisualElementPackager(this);
_visualElementPackager.Load();
}
e.NewElement.PropertyChanged += OnElementPropertyChanged;
UpdateShadow();
UpdateBackgroundColor();
UpdateCornerRadius();
SubscribeGestureRecognizers(e.NewElement);
}
}
public void SetElement(TElement element)
{
var oldElement = Element;
Element = element;
if (oldElement != null)
{
oldElement.PropertyChanged -= _propertyChangedHandler;
}
if (element != null)
{
if (element.BackgroundColor != Color.Default || (oldElement != null && element.BackgroundColor != oldElement.BackgroundColor))
{
SetBackgroundColor(element.BackgroundColor);
}
UpdateClipToBounds();
if (_tracker == null)
{
_tracker = new VisualElementTracker(this);
_tracker.NativeControlUpdated += (sender, e) => UpdateNativeWidget();
}
if (AutoPackage && _packager == null)
{
_packager = new VisualElementPackager(this);
_packager.Load();
}
if (AutoTrack && _events == null)
{
_events = new EventTracker(this);
_events.LoadEvents(this);
}
element.PropertyChanged += _propertyChangedHandler;
}
OnElementChanged(new ElementChangedEventArgs <TElement>(oldElement, element));
if (element != null)
{
SendVisualElementInitialized(element, this);
}
EffectUtilities.RegisterEffectControlProvider(this, oldElement, element);
if (Element != null && !string.IsNullOrEmpty(Element.AutomationId))
{
SetAutomationId(Element.AutomationId);
}
#if __MOBILE__
SetAccessibilityLabel();
SetAccessibilityHint();
SetIsAccessibilityElement();
#endif
}
public void SetElement(VisualElement element)
{
var oldElement = this.Element;
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
}
this.Element = element;
if (this.Element != null)
{
this.Element.PropertyChanged += HandlePropertyChanged;
}
ViewGroup.RemoveAllViews();
Tracker = new VisualElementTracker(this);
Packager = new VisualElementPackager(this);
Packager.Load();
UseCompatPadding = true;
SetContentPadding((int)TheView.Padding.Left, (int)TheView.Padding.Top,
(int)TheView.Padding.Right, (int)TheView.Padding.Bottom);
Radius = TheView.CornerRadius;
SetCardBackgroundColor(TheView.BackgroundColor.ToAndroid());
if (ElementChanged != null)
{
ElementChanged(this, new VisualElementChangedEventArgs(oldElement, this.Element));
}
}
protected virtual void OnChildAdded(VisualElement view)
{
if (_isDisposed)
{
return;
}
var reference = Guid.NewGuid().ToString();
Performance.Start(reference);
if (CompressedLayout.GetIsHeadless(view))
{
var packager = new VisualElementPackager(Renderer, view);
view.IsPlatformEnabled = true;
packager.Load();
}
else
{
var viewRenderer = Platform.CreateRenderer(view);
Platform.SetRenderer(view, viewRenderer);
var uiview = Renderer.NativeView;
uiview.AddSubview(viewRenderer.NativeView);
if (Renderer.ViewController != null && viewRenderer.ViewController != null)
{
Renderer.ViewController.AddChildViewController(viewRenderer.ViewController);
}
EnsureChildrenOrder();
}
Performance.Stop(reference);
}
void IVisualElementRenderer.SetElement(VisualElement element)
{
var oldElement = Element;
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
}
Element = element;
if (Element != null)
{
Element.PropertyChanged += HandlePropertyChanged;
}
//sizes to match the forms view
//updates properties, handles visual element properties
Tracker = new VisualElementTracker(this);
Packager = new VisualElementPackager(this);
Packager.Load();
UseCompatPadding = true;
_defaultElevation = Elevation;
_defaultCornerRadius = Radius;
SetContentPadding();
SetCardRadius();
SetCardBackgroundColor();
SetCardElevation();
RaiseElementChanged(new VisualElementChangedEventArgs(oldElement, Element));
}
protected virtual void OnElementChanged(ElementChangedEventArgs <Frame> e)
{
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(e.OldElement, e.NewElement));
if (e.OldElement != null)
{
e.OldElement.PropertyChanged -= OnElementPropertyChanged;
}
if (e.NewElement != null)
{
this.EnsureId();
_backgroundDrawable = new GradientDrawable();
_backgroundDrawable.SetShape(ShapeType.Rectangle);
this.SetBackground(_backgroundDrawable);
if (_visualElementTracker == null)
{
_visualElementTracker = new VisualElementTracker(this);
_visualElementPackager = new VisualElementPackager(this);
_visualElementPackager.Load();
}
e.NewElement.PropertyChanged += OnElementPropertyChanged;
UpdateShadow();
UpdateBackgroundColor();
UpdateCornerRadius();
UpdateBorderColor();
UpdateClippedToBounds();
ElevationHelper.SetElevation(this, e.NewElement);
}
}
protected virtual void OnElementChanged(ElementChangedEventArgs <Frame> e)
{
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(e.OldElement, e.NewElement));
if (e.OldElement != null)
{
e.OldElement.PropertyChanged -= OnElementPropertyChanged;
}
if (e.NewElement != null)
{
this.EnsureId();
if (_visualElementTracker == null)
{
_visualElementTracker = new VisualElementTracker(this);
_visualElementPackager = new VisualElementPackager(this);
_visualElementPackager.Load();
}
e.NewElement.PropertyChanged += OnElementPropertyChanged;
UpdateShadow();
UpdateBackgroundColor();
UpdateCornerRadius();
ElevationHelper.SetElevation(this, e.NewElement);
}
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
if (NativeView == null)
{
return;
}
var uiTapGestureRecognizer = new UITapGestureRecognizer(a => NativeView?.EndEditing(true));
uiTapGestureRecognizer.ShouldRecognizeSimultaneously = (recognizer, gestureRecognizer) => true;
uiTapGestureRecognizer.ShouldReceiveTouch = OnShouldReceiveTouch;
uiTapGestureRecognizer.DelaysTouchesBegan =
uiTapGestureRecognizer.DelaysTouchesEnded = uiTapGestureRecognizer.CancelsTouchesInView = false;
NativeView.AddGestureRecognizer(uiTapGestureRecognizer);
UpdateBackground();
_packager = new VisualElementPackager(this);
_packager.Load();
Element.PropertyChanged += OnHandlePropertyChanged;
_tracker = new VisualElementTracker(this, !(Element.Parent is BaseShellItem));
_events = new EventTracker(this);
_events.LoadEvents(NativeView);
Element.SendViewInitialized(NativeView);
}
public void SetElement(VisualElement element)
{
var oldElement = Element;
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
}
if (element != null)
{
Element = element;
Element.PropertyChanged += HandlePropertyChanged;
if (_packager == null)
{
WebView.EvalRequested += OnEvalRequested;
WebView.EvaluateJavaScriptRequested += OnEvaluateJavaScriptRequested;
WebView.GoBackRequested += OnGoBackRequested;
WebView.GoForwardRequested += OnGoForwardRequested;
WebView.ReloadRequested += OnReloadRequested;
NavigationDelegate = new CustomWebViewNavigationDelegate(this);
UIDelegate = new CustomWebViewUIDelegate();
BackgroundColor = UIColor.Clear;
AutosizesSubviews = true;
_tracker = new VisualElementTracker(this);
_packager = new VisualElementPackager(this);
_packager.Load();
_events = new EventTracker(this);
_events.LoadEvents(this);
}
Load();
}
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
EffectUtilities.RegisterEffectControlProvider(this, oldElement, element);
if (Element != null && !string.IsNullOrEmpty(Element.AutomationId))
{
AccessibilityIdentifier = Element.AutomationId;
}
if (element != null)
{
element.SendViewInitialized(this);
}
}
public void Init(IVisualElementRenderer renderer, VisualElementRendererFlags flags = VisualElementRendererFlags.AutoPackage | VisualElementRendererFlags.AutoTrack)
{
_flags = flags;
_packager = new VisualElementPackager(renderer);
_tracker = new VisualElementTracker(renderer);
_gestureManager = new GestureManager(renderer);
if (AutoPackage)
{
_packager?.Load();
}
}
public void SetElement(VisualElement element)
{
_cardScheme?.Dispose();
_cardScheme = CreateCardScheme();
var oldElement = Element;
if (oldElement != null)
{
oldElement.PropertyChanged -= OnElementPropertyChanged;
}
if (element is null)
{
Element = null;
}
else
{
Element = element as Frame ?? throw new ArgumentException("Element must be of type Frame.");
}
if (Element != null)
{
if (_packager == null)
{
_defaultCardScheme = CreateCardScheme();
_packager = new VisualElementPackager(this);
_packager.Load();
_tracker = new VisualElementTracker(this);
_events = new EventTracker(this);
_events.LoadEvents(this);
}
Element.PropertyChanged += OnElementPropertyChanged;
ApplyTheme();
}
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
if (element != null)
{
element.SendViewInitialized(this);
}
if (!string.IsNullOrEmpty(element?.AutomationId))
{
AccessibilityIdentifier = element.AutomationId;
}
}
void IVisualElementRenderer.SetElement(VisualElement element)
{
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
if (!(element is MediaElement))
{
throw new ArgumentException($"{nameof(element)} must be of type {nameof(MediaElement)}");
}
MediaElement oldElement = MediaElement;
MediaElement = (MediaElement)element;
if (oldElement != null)
{
oldElement.PropertyChanged -= OnElementPropertyChanged;
oldElement.SeekRequested -= MediaElementSeekRequested;
oldElement.StateRequested -= MediaElementStateRequested;
oldElement.PositionRequested -= MediaElementPositionRequested;
oldElement.VolumeRequested -= MediaElementVolumeRequested;
}
Color currentColor = oldElement?.BackgroundColor ?? Color.Default;
if (element.BackgroundColor != currentColor)
{
UpdateBackgroundColor();
}
MediaElement.PropertyChanged += OnElementPropertyChanged;
MediaElement.SeekRequested += MediaElementSeekRequested;
MediaElement.StateRequested += MediaElementStateRequested;
MediaElement.PositionRequested += MediaElementPositionRequested;
MediaElement.VolumeRequested += MediaElementVolumeRequested;
UpdateSource();
VideoGravity = AspectToGravity(MediaElement.Aspect);
_tracker = new VisualElementTracker(this);
_packager = new VisualElementPackager(this);
_packager.Load();
_events = new EventTracker(this);
_events.LoadEvents(View);
OnElementChanged(new VisualElementChangedEventArgs(oldElement, MediaElement));
}
public void SetElement(VisualElement element)
{
_cardScheme?.Dispose();
_cardScheme = CreateCardScheme();
var oldElement = Element;
if (oldElement != null)
{
oldElement.PropertyChanged -= OnElementPropertyChanged;
}
if (element is null)
{
Element = null;
}
else
{
Element = element as Frame ?? throw new ArgumentException("Element must be of type Frame.");
}
if (Element != null)
{
if (_packager == null)
{
_defaultCardScheme = CreateCardScheme();
_packager = new VisualElementPackager(this);
_packager.Load();
_tracker = new VisualElementTracker(this);
_tracker.NativeControlUpdated += OnNativeControlUpdated;
}
Element.PropertyChanged += OnElementPropertyChanged;
UpdateCornerRadius();
UpdateBorderColor();
UpdateBackgroundColor();
ApplyTheme();
}
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
}
public void SetElement(VisualElement element)
{
var oldElement = this.Element;
//unregister old and re-register new
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
}
this.Element = element;
if (this.Element != null)
{
//this.SetBackgroundColor(this.Element.BackgroundColor.ToAndroid());
BorderRendererVisual.UpdateBackground(BorderElement, this);
UpdateContent();
this.Element.PropertyChanged += HandlePropertyChanged;
}
if (!isInitialized)
{
isInitialized = true;
//sizes to match the forms view
//updates properties, handles visual element properties
Tracker = new VisualElementTracker(this);
//add and remove children automatically
packager = new VisualElementPackager(this);
packager.Load();
//TODO: this is hardcoded for now via resources, but could be bindable.
/*SetColorSchemeResources (Resource.Color.xam_dark_blue,
* Resource.Color.xam_purple,
* Resource.Color.xam_gray,
* Resource.Color.xam_green);*/
}
if (ElementChanged != null)
{
ElementChanged(this, new VisualElementChangedEventArgs(oldElement, this.Element));
}
}
void IVisualElementRenderer.SetElement(VisualElement element)
{
MediaElement oldElement = MediaElement;
if (oldElement != null)
{
oldElement.PropertyChanged -= OnElementPropertyChanged;
oldElement.SeekRequested -= MediaElementSeekRequested;
oldElement.StateRequested -= MediaElementStateRequested;
oldElement.PositionRequested -= MediaElementPositionRequested;
oldElement.VolumeRequested -= MediaElementVolumeRequested;
}
MediaElement = (MediaElement)element;
if (element != null)
{
Color currentColor = oldElement?.BackgroundColor ?? Color.Default;
if (element.BackgroundColor != currentColor)
{
UpdateBackgroundColor();
}
MediaElement.PropertyChanged += OnElementPropertyChanged;
MediaElement.SeekRequested += MediaElementSeekRequested;
MediaElement.StateRequested += MediaElementStateRequested;
MediaElement.PositionRequested += MediaElementPositionRequested;
MediaElement.VolumeRequested += MediaElementVolumeRequested;
UpdateSource();
VideoGravity = AspectToGravity(MediaElement.Aspect);
_tracker = new VisualElementTracker(this);
_packager = new VisualElementPackager(this);
_packager.Load();
_events = new EventTracker(this);
_events.LoadEvents(View);
}
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
}
public void SetElement(VisualElement element)
{
_requestedScroll = null;
var oldElement = Element;
Element = element;
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
((IScrollViewController)oldElement).ScrollToRequested -= OnScrollToRequested;
}
if (element != null)
{
element.PropertyChanged += HandlePropertyChanged;
((IScrollViewController)element).ScrollToRequested += OnScrollToRequested;
if (_packager == null)
{
DelaysContentTouches = true;
_packager = new VisualElementPackager(this);
_packager.Load();
_tracker = new VisualElementTracker(this);
_events = new EventTracker(this);
_events.LoadEvents(this);
}
UpdateContentSize();
UpdateBackgroundColor();
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
Custom.Helpers.RegisterEffectControlProvider(this, oldElement, element);
if (!string.IsNullOrEmpty(element.AutomationId))
{
AccessibilityIdentifier = element.AutomationId;
}
}
}
public void SetElement(VisualElement element)
{
var oldElement = Element;
Element = element;
if (oldElement != null)
{
oldElement.PropertyChanged -= OnElementPropertyChanged;
}
if (element != null)
{
element.PropertyChanged += OnElementPropertyChanged;
if (_packager == null)
{
_packager = new VisualElementPackager(this);
_packager.Load();
_tracker = new VisualElementTracker(this);
_tracker.NativeControlUpdated += OnNativeControlUpdated;
//_events = new EventTracker(this);
// _events.LoadEvents(this);
//_insetTracker = new KeyboardInsetTracker(this, () => Window, insets => ContentInset = ScrollIndicatorInsets = insets, point =>
//{
// var offset = ContentOffset;
// offset.Y += point.Y;
// SetContentOffset(offset, true);
//});
}
SetupLayer();
}
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
}
public void SetElement(VisualElement element)
{
_requestedScroll = null;
var oldElement = Element;
Element = element;
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
((ScrollView)oldElement).ScrollToRequested -= OnScrollToRequested;
}
if (element != null)
{
element.PropertyChanged += HandlePropertyChanged;
((ScrollView)element).ScrollToRequested += OnScrollToRequested;
if (_packager == null)
{
_packager = new VisualElementPackager(this);
_packager.Load();
_tracker = new VisualElementTracker(this);
_tracker.NativeControlUpdated += OnNativeControlUpdated;
_events = new EventTracker(this);
_events.LoadEvents(this);
_insetTracker = new KeyboardInsetTracker(this, () => Window, insets =>
{
ContentInset = ScrollIndicatorInsets = insets;
},
point =>
{
var offset = ContentOffset;
offset.Y += point.Y;
SetContentOffset(offset, true);
}, this);
}
UpdateDelaysContentTouches();
UpdateContentSize();
UpdateBackgroundColor();
UpdateBackground();
UpdateIsEnabled();
UpdateVerticalScrollBarVisibility();
UpdateHorizontalScrollBarVisibility();
OnElementChanged(new VisualElementChangedEventArgs(oldElement, element));
EffectUtilities.RegisterEffectControlProvider(this, oldElement, element);
if (element != null)
{
element.SendViewInitialized(this);
}
if (!string.IsNullOrEmpty(element.AutomationId))
{
AccessibilityIdentifier = element.AutomationId;
}
}
}
protected virtual void OnElementChanged(ElementChangedEventArgs<Frame> e)
{
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(e.OldElement, e.NewElement));
if (e.OldElement != null)
{
e.OldElement.PropertyChanged -= OnElementPropertyChanged;
UnsubscribeGestureRecognizers(e.OldElement);
}
if (e.NewElement != null)
{
if (_visualElementTracker == null)
{
SetOnClickListener(this);
SetOnTouchListener(this);
UpdateGestureRecognizers(true);
_visualElementTracker = new VisualElementTracker(this);
_visualElementPackager = new VisualElementPackager(this);
_visualElementPackager.Load();
}
e.NewElement.PropertyChanged += OnElementPropertyChanged;
UpdateShadow();
UpdateBackgroundColor();
SubscribeGestureRecognizers(e.NewElement);
}
}
public void SetElement(VisualElement element)
{
var oldElement = this.Element;
if (oldElement != null)
{
oldElement.PropertyChanged -= HandlePropertyChanged;
}
this.Element = element;
if (this.Element != null)
{
this.Element.PropertyChanged += HandlePropertyChanged;
// ** fix any errors, make sure valid values **/
if (SourceView.ShadowBorders == null)
{
SourceView.ShadowBorders = new FrameRect();
}
if (SourceView.ShadowBorders.Top < 0)
{
SourceView.ShadowBorders.Top = 0;
}
if (SourceView.ShadowBorders.Bottom < 0)
{
SourceView.ShadowBorders.Bottom = 0;
}
if (SourceView.ShadowBorders.Right < 0)
{
SourceView.ShadowBorders.Right = 0;
}
if (SourceView.ShadowBorders.Left < 0)
{
SourceView.ShadowBorders.Left = 0;
}
// ** end error check **/
// ** setbackground **/
//var border2 = Android.App.Application.Context.Resources.GetDrawable (Resource.Drawable.FrameBorder, Android.App.Application.Context.Theme).GetConstantState().NewDrawable() as LayerDrawable;
// prevent changes to other instances of the drawable
var border2 = Android.App.Application.Context.Resources.GetDrawable(Resource.Drawable.FrameBorder1, Android.App.Application.Context.Theme).Mutate() as LayerDrawable;
var shadowLayer = border2.FindDrawableByLayerId(Resource.Id.shadowLayer).Mutate() as GradientDrawable;
shadowLayer.SetCornerRadius(SourceView.Radius);
if (SourceView.HasShadow == false)
{
// invisible
shadowLayer.Alpha = 0;
// no padding
border2.SetLayerInset(0, 0, 0, 0, 0);
}
else
{
shadowLayer.SetStroke((int)SourceView.ShadowRadius, SourceView.ShadowColor.ToAndroid());
shadowLayer.SetCornerRadius(SourceView.Radius);
}
var BorderLayer = border2.FindDrawableByLayerId(Resource.Id.BorderLayer).Mutate() as GradientDrawable;
BorderLayer.SetStroke(SourceView.StrokeThickness, SourceView.OutlineColor.ToAndroid());
if (SourceView.StrokeType == StrokeType.Dashed)
{
// dashes
BorderLayer.SetStroke(SourceView.StrokeThickness, SourceView.OutlineColor.ToAndroid(), 15, 10);
}
else if (SourceView.StrokeType == StrokeType.Dotted)
{
// dots
BorderLayer.SetStroke(SourceView.StrokeThickness, SourceView.OutlineColor.ToAndroid(), 5, 4);
}
else
{
BorderLayer.SetStroke(SourceView.StrokeThickness, SourceView.OutlineColor.ToAndroid());
}
BorderLayer.SetCornerRadius(SourceView.Radius);
var MainLayer = border2.FindDrawableByLayerId(Resource.Id.MainLayer).Mutate() as GradientDrawable;
MainLayer.SetColor(SourceView.BackgroundColor.ToAndroid());
MainLayer.SetCornerRadius(SourceView.Radius);
if (SourceView.HasShadow == false)
{
border2.SetLayerInset(1, 0, 0, 0, 0);
//index, l,t,r,b
border2.SetLayerInset(2,
SourceView.Borders.Left == 0 ? 0 : SourceView.StrokeThickness,
SourceView.Borders.Top == 0 ? 0 : SourceView.StrokeThickness,
SourceView.Borders.Right == 0 ? 0 : SourceView.StrokeThickness,
SourceView.Borders.Bottom == 0 ? 0 : SourceView.StrokeThickness);
}
else
{
// shadow layer. no padding
border2.SetLayerInset(0, 0, 0, 0, 0);
// border layer. padding=ShadowRadius, if border turned on
var rect = new Rect(
SourceView.ShadowBorders.Left == 0 ? 0 : (int)SourceView.ShadowRadius,
SourceView.ShadowBorders.Top == 0 ? 0 : (int)SourceView.ShadowRadius,
SourceView.ShadowBorders.Right == 0 ? 0 : (int)SourceView.ShadowRadius,
SourceView.ShadowBorders.Bottom == 0 ? 0 : (int)SourceView.ShadowRadius);
rect.Left = rect.Left < 0 ? 0 : rect.Left;
rect.Top = rect.Top < 0 ? 0 : rect.Top;
rect.Right = rect.Right < 0 ? 0 : rect.Right;
rect.Bottom = rect.Bottom < 0 ? 0 : rect.Bottom;
border2.SetLayerInset(1, rect.Left, rect.Top, rect.Right, rect.Bottom);
// main layer indent shadowRadius + border size/
border2.SetLayerInset(2,
SourceView.Borders.Left == 0 ? rect.Left : SourceView.StrokeThickness + rect.Left,
SourceView.Borders.Top == 0 ? rect.Right : SourceView.StrokeThickness + rect.Top,
SourceView.Borders.Right == 0 ? rect.Top : SourceView.StrokeThickness + rect.Right,
SourceView.Borders.Bottom == 0 ? rect.Bottom : SourceView.StrokeThickness + rect.Bottom);
}
this.Background = border2;
// ** set padding **/
this.SetPadding(
(int)SourceView.Padding.Left,
(int)SourceView.Padding.Top,
(int)SourceView.Padding.Right,
(int)SourceView.Padding.Bottom);
ViewGroup.RemoveAllViews();
Tracker = new VisualElementTracker(this);
Packager = new VisualElementPackager(this);
Packager.Load();
if (ElementChanged != null)
{
ElementChanged(this, new VisualElementChangedEventArgs(oldElement, this.Element));
}
}
}
public void SetElement(TElement element)
{
var oldElement = Element;
Element = element;
Performance.Start(out string reference);
if (oldElement != null)
{
oldElement.PropertyChanged -= _propertyChangedHandler;
}
if (element != null)
{
if (element.BackgroundColor != null || (oldElement != null && element.BackgroundColor != oldElement.BackgroundColor))
{
SetBackgroundColor(element.BackgroundColor);
}
if (element.Background != null && (!element.Background.IsEmpty || (oldElement != null && element.Background != oldElement.Background)))
{
SetBackground(element.Background);
}
UpdateClipToBounds();
if (_tracker == null)
{
_tracker = new VisualElementTracker(this);
_tracker.NativeControlUpdated += (sender, e) => UpdateNativeWidget();
}
if (AutoPackage && _packager == null)
{
_packager = new VisualElementPackager(this);
_packager.Load();
}
// TODO MAUI AUTOTRACK?
if (AutoTrack && _events == null)
{
// _events = new EventTracker(this);
//_events.LoadEvents(this);
}
element.PropertyChanged += _propertyChangedHandler;
}
OnElementChanged(new ElementChangedEventArgs <TElement>(oldElement, element));
if (element != null)
{
SendVisualElementInitialized(element, this);
}
EffectUtilities.RegisterEffectControlProvider(this, oldElement, element);
if (Element != null && !string.IsNullOrEmpty(Element.AutomationId))
{
SetAutomationId(Element.AutomationId);
}
if (element != null)
{
SetAccessibilityLabel();
}
SetAccessibilityHint();
SetIsAccessibilityElement();
SetAccessibilityElementsHidden();
Performance.Stop(reference);
}
