protected override void OnAttached()
{
effect = TouchEffect.PickFrom(Element);
if (effect == null || effect.IsDisabled)
{
return;
}
effect.Element = (VisualElement)Element;
if (effect.NativeAnimation)
{
var nativeControl = Container;
if (string.IsNullOrEmpty(nativeControl.Name))
{
nativeControl.Name = Guid.NewGuid().ToString();
}
if (nativeControl.Resources.ContainsKey(pointerDownAnimationKey))
{
pointerDownStoryboard = (Storyboard)nativeControl.Resources[pointerDownAnimationKey];
}
else
{
pointerDownStoryboard = new Storyboard();
var downThemeAnimation = new PointerDownThemeAnimation();
Storyboard.SetTargetName(downThemeAnimation, nativeControl.Name);
pointerDownStoryboard.Children.Add(downThemeAnimation);
nativeControl.Resources.Add(new KeyValuePair <object, object>(pointerDownAnimationKey, pointerDownStoryboard));
}
if (nativeControl.Resources.ContainsKey(pointerUpAnimationKey))
{
pointerUpStoryboard = (Storyboard)nativeControl.Resources[pointerUpAnimationKey];
}
else
{
pointerUpStoryboard = new Storyboard();
var upThemeAnimation = new PointerUpThemeAnimation();
Storyboard.SetTargetName(upThemeAnimation, nativeControl.Name);
pointerUpStoryboard.Children.Add(upThemeAnimation);
nativeControl.Resources.Add(new KeyValuePair <object, object>(pointerUpAnimationKey, pointerUpStoryboard));
}
}
if (Container != null)
{
Container.PointerPressed += OnPointerPressed;
Container.PointerReleased += OnPointerReleased;
Container.PointerCanceled += OnPointerCanceled;
Container.PointerExited += OnPointerExited;
Container.PointerEntered += OnPointerEntered;
Container.PointerCaptureLost += OnPointerCaptureLost;
}
}
protected override void OnAttached()
{
effect = TouchEffect.PickFrom(Element);
if (effect?.IsDisabled ?? true)
{
return;
}
effect.Element = (VisualElement)Element;
if (View == null)
{
return;
}
touchGesture = new TouchUITapGestureRecognizer(effect);
if (((View as IVisualNativeElementRenderer)?.Control ?? View) is UIButton button)
{
button.AllTouchEvents += PreventButtonHighlight;
((TouchUITapGestureRecognizer)touchGesture).IsButton = true;
}
View.AddGestureRecognizer(touchGesture);
if (XCT.IsiOS13OrNewer)
{
hoverGesture = new UIHoverGestureRecognizer(OnHover);
View.AddGestureRecognizer(hoverGesture);
}
View.UserInteractionEnabled = true;
}
protected override void OnDetached()
{
if (effect?.Element == null)
{
return;
}
if (((View as IVisualNativeElementRenderer)?.Control ?? View) is UIButton button)
{
button.AllTouchEvents -= PreventButtonHighlight;
}
if (touchGesture != null)
{
View?.RemoveGestureRecognizer(touchGesture);
touchGesture?.Dispose();
touchGesture = null;
}
if (hoverGesture != null)
{
View?.RemoveGestureRecognizer(hoverGesture);
hoverGesture?.Dispose();
hoverGesture = null;
}
effect.Element = null;
effect = null;
}
protected override void OnAttached()
{
if (View == null)
{
return;
}
effect = TouchEffect.PickFrom(Element);
if (effect?.IsDisabled ?? true)
{
return;
}
effect.Element = (VisualElement)Element;
View.Touch += OnTouch;
UpdateClickHandler();
accessibilityManager = View.Context?.GetSystemService(Context.AccessibilityService) as AccessibilityManager;
if (accessibilityManager != null)
{
accessibilityListener = new AccessibilityListener(this);
accessibilityManager.AddAccessibilityStateChangeListener(accessibilityListener);
accessibilityManager.AddTouchExplorationStateChangeListener(accessibilityListener);
}
if (XCT.SdkInt < (int)BuildVersionCodes.Lollipop || !effect.NativeAnimation)
{
return;
}
View.Clickable = true;
View.LongClickable = true;
CreateRipple();
if (Group == null)
{
if (XCT.SdkInt >= (int)BuildVersionCodes.M)
{
View.Foreground = ripple;
}
return;
}
rippleView = new FrameLayout(Group.Context ?? throw new NullReferenceException())
{
LayoutParameters = new ViewGroup.LayoutParams(-1, -1),
Clickable = false,
Focusable = false,
Enabled = false,
};
View.LayoutChange += OnLayoutChange;
rippleView.Background = ripple;
Group.AddView(rippleView);
rippleView.BringToFront();
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
effect = null;
container = null;
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
effect = null;
Delegate.Dispose();
}
base.Dispose(disposing);
}
protected override void OnAttached()
{
effect = TouchEffect.PickFrom(Element);
if (effect?.IsDisabled ?? true)
{
return;
}
effect.Element = (VisualElement)Element;
gestureLayer = new TouchTapGestureRecognizer(Control, effect);
}
protected override void OnDetached()
{
if (effect?.Element == null)
{
return;
}
try
{
if (accessibilityManager != null && accessibilityListener != null)
{
accessibilityManager.RemoveAccessibilityStateChangeListener(accessibilityListener);
accessibilityManager.RemoveTouchExplorationStateChangeListener(accessibilityListener);
accessibilityListener.Dispose();
accessibilityManager = null;
accessibilityListener = null;
}
if (View != null)
{
View.LayoutChange -= OnLayoutChange;
View.Touch -= OnTouch;
View.Click -= OnClick;
if (XCT.SdkInt >= (int)BuildVersionCodes.M && View.Foreground == ripple)
{
View.Foreground = null;
}
}
effect.Element = null;
effect = null;
if (rippleView != null)
{
rippleView.Pressed = false;
rippleView.Background = null;
Group?.RemoveView(rippleView);
rippleView.Dispose();
rippleView = null;
}
ripple?.Dispose();
ripple = null;
}
catch (ObjectDisposedException)
{
// Suppress exception
}
isHoverSupported = false;
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (trackingArea != null)
{
RemoveTrackingArea(trackingArea);
trackingArea.Dispose();
}
effect = null;
}
base.Dispose(disposing);
}
protected override void OnDetached()
{
if (effect?.Element == null)
{
return;
}
if (gestureLayer != null)
{
gestureLayer.ClearCallbacks();
gestureLayer.Unrealize();
gestureLayer = null;
}
effect.Element = null;
effect = null;
}
protected override void OnAttached()
{
effect = TouchEffect.PickFrom(Element);
if (effect?.IsDisabled ?? true)
{
return;
}
effect.Element = (VisualElement)Element;
if (Container != null)
{
gesture = new TouchNSClickGestureRecognizer(effect, Container);
Container.AddGestureRecognizer(gesture);
Container.AddSubview(mouseTrackingView = new MouseTrackingView(effect));
}
}
protected override void OnDetached()
{
if (effect?.Element == null)
{
return;
}
try
{
if (accessibilityManager != null && accessibilityListener != null)
{
accessibilityManager.RemoveAccessibilityStateChangeListener(accessibilityListener);
accessibilityManager.RemoveTouchExplorationStateChangeListener(accessibilityListener);
accessibilityListener.Dispose();
accessibilityManager = null;
accessibilityListener = null;
}
RemoveRipple();
if (View != null)
{
View.LayoutChange -= OnLayoutChange;
View.Touch -= OnTouch;
View.Click -= OnClick;
}
effect.Element = null;
effect = null;
if (rippleView != null)
{
rippleView.Pressed = false;
Group?.RemoveView(rippleView);
rippleView.Dispose();
rippleView = null;
}
}
catch (ObjectDisposedException)
{
// Suppress exception
}
isHoverSupported = false;
}
protected override void OnDetached()
{
if (effect?.Element == null)
{
return;
}
mouseTrackingView?.RemoveFromSuperview();
mouseTrackingView?.Dispose();
mouseTrackingView = null;
effect.Element = null;
effect = null;
if (gesture != null)
{
Container?.RemoveGestureRecognizer(gesture);
gesture.Dispose();
}
gesture = null;
}
protected override void OnDetached()
{
if (effect?.Element == null)
{
return;
}
effect.Element = null;
effect = null;
if (Container != null)
{
Container.PointerPressed -= OnPointerPressed;
Container.PointerReleased -= OnPointerReleased;
Container.PointerCanceled -= OnPointerCanceled;
Container.PointerExited -= OnPointerExited;
Container.PointerEntered -= OnPointerEntered;
Container.PointerCaptureLost -= OnPointerCaptureLost;
isPressed = false;
}
}
protected override void OnAttached()
{
if (View == null)
{
return;
}
effect = TouchEffect.PickFrom(Element);
if (effect?.IsDisabled ?? true)
{
return;
}
effect.Element = (VisualElement)Element;
View.Touch += OnTouch;
UpdateClickHandler();
accessibilityManager = View.Context?.GetSystemService(Context.AccessibilityService) as AccessibilityManager;
if (accessibilityManager != null)
{
accessibilityListener = new AccessibilityListener(this);
accessibilityManager.AddAccessibilityStateChangeListener(accessibilityListener);
accessibilityManager.AddTouchExplorationStateChangeListener(accessibilityListener);
}
if (XCT.SdkInt < (int)BuildVersionCodes.Lollipop || !effect.NativeAnimation)
{
return;
}
View.Clickable = true;
View.LongClickable = true;
CreateRipple();
ApplyRipple();
View.LayoutChange += OnLayoutChange;
}
void CheckForBoundaryHop(int id, Point pointerLocation)
{
TouchEffect?touchEffectHit = null;
foreach (Android.Views.View view in _viewDictionary.Keys)
{
// Get the view rectangle
try
{
view.GetLocationOnScreen(_twoIntArray);
}
catch // System.ObjectDisposedException: Cannot access a disposed object.
{
continue;
}
Rectangle viewRect = new Rectangle(_twoIntArray[0], _twoIntArray[1], view.Width, view.Height);
if (viewRect.Contains(pointerLocation))
{
touchEffectHit = _viewDictionary[view];
}
}
if (touchEffectHit != _idToEffectDictionary[id])
{
if (_idToEffectDictionary[id] != null)
{
FireEvent(_idToEffectDictionary[id], id, TouchActionType.Exited, pointerLocation, true);
}
if (touchEffectHit != null)
{
FireEvent(touchEffectHit, id, TouchActionType.Entered, pointerLocation, true);
}
_idToEffectDictionary[id] = touchEffectHit !;
}
}
public TouchNSClickGestureRecognizer(TouchEffect effect, NSView container)
{
this.effect = effect;
this.container = container;
}
public MouseTrackingView(TouchEffect effect)
{
this.effect = effect;
AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable;
}
public TouchTapGestureRecognizer(EvasObject parent, TouchEffect effect)
: this(parent)
{
Attach(parent);
this.effect = effect;
}
public TouchUITapGestureRecognizer(TouchEffect effect)
{
this.effect = effect;
CancelsTouchesInView = false;
Delegate = new TouchUITapGestureRecognizerDelegate();
}
