public void SetElement(VisualElement element)
{
var oldElement = Element;
Element = element;
Element.PropertyChanged += HandlePropertyChanged;
((WebView)Element).EvalRequested += OnEvalRequested;
((WebView)Element).GoBackRequested += OnGoBackRequested;
((WebView)Element).GoForwardRequested += OnGoForwardRequested;
Delegate = new CustomWebViewDelegate(this);
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));
if (Element != null && !string.IsNullOrEmpty(Element.AutomationId))
AccessibilityIdentifier = Element.AutomationId;
if (element != null)
element.SendViewInitialized(this);
}
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);
UpdateBackground();
_packager = new VisualElementPackager(this);
_packager.Load();
Element.PropertyChanged += OnHandlePropertyChanged;
_tracker = new VisualElementTracker(this);
_events = new EventTracker(this);
_events.LoadEvents(View);
Element.SendViewInitialized(View);
}
protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
Element.PropertyChanged -= OnHandlePropertyChanged;
Platform.SetRenderer(Element, null);
if (_appeared)
((Page)Element).SendDisappearing();
_appeared = false;
if (_events != null)
{
_events.Dispose();
_events = null;
}
if (_packager != null)
{
_packager.Dispose();
_packager = null;
}
if (_tracker != null)
{
_tracker.Dispose();
_tracker = null;
}
Element = null;
_disposed = true;
}
base.Dispose(disposing);
}
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;
}
}
}
