public void SetFrameSize(CGSize newFrameSize, bool animating)
{
CGRect newFrame = FrameForNewSizePinnedToTopLeft(newFrameSize);
if (animating)
{
NSAnimation animation = new NSViewAnimation(new [] {
NSDictionary.FromObjectsAndKeys(
#if MONOMAC
new object[] { this, NSValue.FromRectangleF(Frame), NSValue.FromRectangleF(newFrame) },
#else
new object[] { this, NSValue.FromCGRect(Frame), NSValue.FromCGRect(newFrame) },
#endif
new object[] { NSViewAnimation.TargetKey, NSViewAnimation.StartFrameKey, NSViewAnimation.EndFrameKey }
)
});
animation.AnimationBlockingMode = NSAnimationBlockingMode.Nonblocking;
animation.Duration = 0.25;
animation.StartAnimation();
}
else
{
Superview.SetNeedsDisplayInRect(Frame);
Frame = newFrame;
NeedsDisplay = true;
}
}
bool detachViewToWindow(bool enable)
{
bool viewChanged = false;
var rootView = getRootView();
if (enable && initialSuperview == null)
{
initialIndex = Array.IndexOf(Superview.Subviews, this);
initialSuperview = Superview;
var newFrame = Superview.ConvertRectToView(initialFrame, rootView);
rootView.Add(this);
setFrame(newFrame);
viewChanged = true;
}
else if (!enable)
{
if (initialSuperview != null)
{
initialSuperview.InsertSubview(this, initialIndex);
viewChanged = true;
}
setFrame(initialFrame);
initialSuperview = null;
}
return(viewChanged);
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
lastTimeStamp = evt.Timestamp;
Superview.BringSubviewToFront(this);
lastLocation = Center;
}
public void TrackingStarted(object sender, TrackingEventArgs e)
{
var button = (ButtonView)sender;
UIGraphics.BeginImageContext(button.Bounds.Size);
button.Layer.RenderInContext(UIGraphics.GetCurrentContext());
UIImage image = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
if (trackingImageView == null)
{
trackingImageView = new UIImageView(CGRect.Empty);
Superview.AddSubview(trackingImageView);
trackingImageView.Alpha = 0.5f;
}
trackingImageView.Image = image;
trackingImageView.SizeToFit();
CGRect frame = trackingImageView.Frame;
var newFrame = new CGRect(Superview.ConvertPointFromView(button.Frame.Location, this), frame.Size);
trackingImageView.Frame = newFrame;
if (ButtonSelectedEvent != null)
{
ButtonSelectedEvent(button);
}
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
if (string.IsNullOrEmpty(_disabled) && !_confirmed)
{
var point = (touches.AnyObject as UITouch).LocationInView(this.Superview);
if (!Frame.Contains(point))
{
Lighten();
base.TouchesCancelled(touches, evt);
}
else if (Selected)
{
Lighten();
_confirmed = true;
_cancelOverlay.RemoveFromSuperview();
_cancelOverlay = null;
base.TouchesEnded(touches, evt);
}
else
{
Lighten();
Selected = true;
_cancelOverlay = UIButton.FromType(UIButtonType.Custom);
_cancelOverlay.Frame = new RectangleF(0, 0, 1024, 1024);
_cancelOverlay.AddTarget(delegate { Cancel(); }, UIControlEvent.TouchDown);
Superview.AddSubview(_cancelOverlay);
Superview.BringSubviewToFront(this);
}
}
}
public override void InvalidateLayout()
{
base.InvalidateLayout();
NeedsLayout = true;
InvalidateIntrinsicContentSize();
Superview.InvalidateIntrinsicContentSize();
InvalidateRender();
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
lastTimeStamp = evt.Timestamp;
Superview.BringSubviewToFront(this);
lastLocation = Center;
lastMoveLocation = (touches.AnyObject as UITouch).LocationInView(this);
}
void Show()
{
Superview.BringSubviewToFront(this);
Animate(0.3, delegate {
Alpha = 1.0f;
});
}
internal void StartAnimating()
{
_activitySpinner.StartAnimating();
Hidden = false;
Superview.BringSubviewToFront(this);
}
internal void StopAnimating()
{
_activitySpinner.StopAnimating();
Hidden = true;
Superview.SendSubviewToBack(this);
}
public override void MovedToSuperview()
{
base.MovedToSuperview();
var maxHeightConstraint = NSLayoutConstraint.Create(this, NSLayoutAttribute.Height, NSLayoutRelation.LessThanOrEqual, Superview, NSLayoutAttribute.Height, 0.3f, 0.0f);
Superview?.AddConstraint(maxHeightConstraint);
}
private protected override void OnLoaded()
{
base.OnLoaded();
// TODO: Find a proper way to decide whether a CommandBar exists on canvas (within Page), or is mapped to the UINavigationController's NavigationBar.
CommandBar?commandBar = null;
_commandBar?.TryGetTarget(out commandBar);
if (_commandBar == null)
{
commandBar = TemplatedParent as CommandBar;
_commandBar = new WeakReference <CommandBar?>(commandBar);
_navigationBar = commandBar?.GetRenderer(RendererFactory).Native;
}
else
{
_navigationBar = commandBar?.ResetRenderer(RendererFactory).Native;
}
if (_navigationBar == null)
{
throw new InvalidOperationException("No NavigationBar from renderer");
}
_navigationBar.SetNeedsLayout();
var navigationBarSuperview = _navigationBar?.Superview;
// Allows the UINavigationController's NavigationBar instance to be moved to the Page. This feature
// is used in the context of the sample application to test NavigationBars outside of a NativeFramePresenter for
// UI Testing. In general cases, this should not happen as the bar may be moved back to to this presenter while
// another page is already visible, making this bar overlay on top of another.
if (FeatureConfiguration.CommandBar.AllowNativePresenterContent && (navigationBarSuperview == null || navigationBarSuperview is NativeCommandBarPresenter))
{
Content = _navigationBar;
}
var statusBar = StatusBar.GetForCurrentView();
statusBar.Showing += OnStatusBarChanged;
statusBar.Hiding += OnStatusBarChanged;
_statusBarSubscription.Disposable = Disposable.Create(() =>
{
statusBar.Showing -= OnStatusBarChanged;
statusBar.Hiding -= OnStatusBarChanged;
});
// iOS doesn't automatically update the navigation bar position when the status bar visibility changes.
void OnStatusBarChanged(StatusBar sender, object args)
{
_navigationBar !.SetNeedsLayout();
_navigationBar !.Superview.SetNeedsLayout();
}
}
private void ShowPalette()
{
var height = UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone ? 30 : 50;
PaletteView.Frame = new CGRect(Frame.X, Frame.Height - height, Frame.Width, height);
PaletteView.Layout();
Animate(0.5, 0.2, UIViewAnimationOptions.CurveLinear, () =>
Superview.Add(PaletteView), null);
}
public void Show()
{
Animate(0.4, () => {
heightConstraint.Constant = Superview.Frame.Size.Height;
label.Hidden = false;
button.Hidden = false;
Superview.LayoutIfNeeded();
});
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
lastTimeStamp = evt.Timestamp;
Superview.BringSubviewToFront(this);
lastLocation = Center;
(Element as eliteElements.eliteVideo).controlsShow();
}
public override UIView HitTest(CGPoint point, UIEvent uievent)
{
var view = base.HitTest(point, uievent);
if (view != null)
{
Superview.BringSubviewToFront(this);
}
return(view);
}
public void RemoveFromSuperview()
{
if (Superview == null)
{
throw new InvalidOperationException("The View does not have a Superview");
}
Superview._subviews.Remove(this);
Superview.SetNeedsLayout();
}
public override void MovedToSuperview()
{
base.MovedToSuperview();
if (IsAlignedToParentAutomatically)
{
if (Superview != null)
{
Superview.Layout(this).Bottom().Horizontally();
}
}
}
public override void MouseDown(NSEvent theEvent)
{
base.MouseDown(theEvent);
var locationInSV = Superview.ConvertPointFromView(theEvent.LocationInWindow, null);
if (theEvent.ClickCount == 2 && HitTest(locationInSV) == this)
{
Window.Zoom(this);
}
}
private void Show()
{
Superview?.LayoutIfNeeded();
verticalConstraint.Constant = 0;
UIView.Animate(0.4, 0.2, UIViewAnimationOptions.TransitionNone, () => { textLabel.Alpha = 1.0f; }, (() =>
{
}));
UIView.Animate(0.4, 0, UIViewAnimationOptions.CurveEaseOut, () => Superview?.LayoutIfNeeded(), Hide);
}
public override void SetNeedsLayout()
{
base.SetNeedsLayout();
_requiresMeasure = true;
if (Superview != null)
{
Superview.SetNeedsLayout();
}
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
if (_blur != null && Superview != null)
{
_blur.Frame = Bounds;
if (_blur.Superview == null)
{
Superview.Add(_blur);
}
}
}
public void AddHorizontalConstraintsToSuperviewWidth()
{
if (base.Superview == null)
{
return;
}
UIView child = this;
Superview.AddConstraints(NSLayoutConstraint.FromVisualFormat("H:|[child]|", 0, null,
NSDictionary.FromObjectAndKey(child, new NSString("child"))));
}
public override void Draw(RectangleF rect)
{
base.Draw(rect);
if (_blur != null)
{
_blur.Frame = rect;
if (_blur.Superview == null)
{
Superview.Add(_blur);
}
}
}
private protected override void OnLoaded()
{
base.OnLoaded();
// TODO: Find a proper way to decide whether a CommandBar exists on canvas (within Page), or is mapped to the UINavigationController's NavigationBar.
var commandBar = _commandBar?.Target;
if (commandBar == null)
{
commandBar = TemplatedParent as CommandBar;
_commandBar = new WeakReference <CommandBar?>(commandBar);
_navigationBar = commandBar?.GetRenderer(RendererFactory).Native;
}
else
{
_navigationBar = commandBar?.ResetRenderer(RendererFactory).Native;
}
if (_navigationBar == null)
{
throw new InvalidOperationException("No NavigationBar from renderer");
}
_navigationBar.SetNeedsLayout();
var navigationBarSuperview = _navigationBar?.Superview;
if (navigationBarSuperview == null || navigationBarSuperview is NativeCommandBarPresenter) // Prevents the UINavigationController's NavigationBar instance from being moved to the Page
{
Content = _navigationBar;
}
var statusBar = StatusBar.GetForCurrentView();
statusBar.Showing += OnStatusBarChanged;
statusBar.Hiding += OnStatusBarChanged;
_statusBarSubscription.Disposable = Disposable.Create(() =>
{
statusBar.Showing -= OnStatusBarChanged;
statusBar.Hiding -= OnStatusBarChanged;
});
// iOS doesn't automatically update the navigation bar position when the status bar visibility changes.
void OnStatusBarChanged(StatusBar sender, object args)
{
_navigationBar !.SetNeedsLayout();
_navigationBar !.Superview.SetNeedsLayout();
}
}
public override void LayoutSubviews()
{
if (_shadowView != null)
{
if (_shadowView.Superview == null)
{
Superview.InsertSubviewBelow(_shadowView, this);
}
_shadowView?.SetNeedsLayout();
}
base.LayoutSubviews();
}
private void InsertSubview(UIView view)
{
Superview.InsertSubviewBelow(view, this);
var verticalConstraint = NSLayoutConstraint.Create(this, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal,
view, NSLayoutAttribute.CenterY, 1, 0);
var leadingConstraint = NSLayoutConstraint.Create(this, NSLayoutAttribute.Leading, NSLayoutRelation.Equal,
view, NSLayoutAttribute.Leading, 1, 0);
var trailingConstraint = NSLayoutConstraint.Create(this, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal,
view, NSLayoutAttribute.Trailing, 1, 0);
Superview.AddConstraints(new[] { verticalConstraint, leadingConstraint, trailingConstraint });
}
public override void KeyDown(NSEvent theEvent)
{
switch (theEvent.KeyCode)
{
case 36:
case 76:
Superview.KeyDown(theEvent);
break;
default:
base.KeyDown(theEvent);
break;
}
}
private void OnContentChanged(UIElement oldValue, UIElement newValue)
{
if (oldValue != null)
{
oldValue.RemoveFromSuperview();
}
if (newValue != null)
{
AddSubview(newValue);
}
Superview?.SetNeedsLayout();
}
public override void InvalidateIntrinsicContentSize()
{
base.InvalidateIntrinsicContentSize();
if (Frame.Width == 0 && Frame.Height == 0)
{
// The Label hasn't actually been laid out on screen yet; no reason to request a layout
return;
}
if (!Frame.Size.IsCloseTo(AddInsets(IntrinsicContentSize), (nfloat)0.001))
{
// The text or its attributes have changed enough that the size no longer matches the set Frame. It's possible
// that the Label needs to be laid out again at a different size, so we request that the parent do so.
Superview?.SetNeedsLayout();
}
}
