void Initialize(bool isCurrentScope = false)
{
OnceInitializeAction = null;
OverlayView.BackgroundColor = _loadingView.OverlayColor.ToUIColor();
OverlayView.Alpha = 0f;
OverlayView.TranslatesAutoresizingMaskIntoConstraints = false;
SetOverlayConstrants(isCurrentScope);
_loadingView.Parent = Application.Current.MainPage;
_renderer = Dialogs.CreateNativeView(_loadingView);
if (_loadingView.CornerRadius > 0)
{
_renderer.NativeView.Layer.CornerRadius = _loadingView.CornerRadius;
_renderer.NativeView.Layer.MasksToBounds = true;
}
var measure = Dialogs.Measure(_loadingView);
_renderer.SetElementSize(measure);
var nativeView = _renderer.NativeView;
nativeView.TranslatesAutoresizingMaskIntoConstraints = false;
OverlayView.AddSubview(nativeView);
nativeView.WidthAnchor.ConstraintEqualTo((System.nfloat)_loadingView.Bounds.Width).Active = true;
nativeView.HeightAnchor.ConstraintEqualTo((System.nfloat)_loadingView.Bounds.Height).Active = true;
Dialogs.SetLayoutAlignment(nativeView, OverlayView, _loadingView);
}
void Initialize(bool isCurrentScope = false)
{
OnceInitializeAction = null;
OverlayView.BackgroundColor = _config.OverlayColor.ToUIColor();
OverlayView.Alpha = 0f;
OverlayView.TranslatesAutoresizingMaskIntoConstraints = false;
SetOverlayConstrants(isCurrentScope);
_activitySpinner = new UIActivityIndicatorView(UIActivityIndicatorViewStyle.WhiteLarge);
_activitySpinner.Color = _config.IndicatorColor.ToUIColor();
_activitySpinner.TranslatesAutoresizingMaskIntoConstraints = false;
OverlayView.AddSubview(_activitySpinner);
_activitySpinner.CenterXAnchor.ConstraintEqualTo(OverlayView.CenterXAnchor, _config.OffsetX).Active = true;
_activitySpinner.CenterYAnchor.ConstraintEqualTo(OverlayView.CenterYAnchor, _config.OffsetY).Active = true;
_messageLabel = new UILabel();
_messageLabel.BackgroundColor = UIColor.Clear;
_messageLabel.TextColor = _config.FontColor.ToUIColor();
_messageLabel.Font = _messageLabel.Font.WithSize((System.nfloat)_config.FontSize);
_messageLabel.TextAlignment = UITextAlignment.Center;
_messageLabel.Lines = 0;
_messageLabel.LineBreakMode = UILineBreakMode.WordWrap;
_messageLabel.TranslatesAutoresizingMaskIntoConstraints = false;
_messageLabel.Text = _message;
OverlayView.AddSubview(_messageLabel);
_messageLabel.TopAnchor.ConstraintEqualTo(_activitySpinner.BottomAnchor, 20).Active = true;
_messageLabel.CenterXAnchor.ConstraintEqualTo(OverlayView.CenterXAnchor, _config.OffsetX).Active = true;
}
void ShowProgressWorker(float progress = -1, string status = null, MaskType maskType = MaskType.None, bool textOnly = false,
ToastPosition toastPosition = ToastPosition.Center, string cancelCaption = null, Action cancelCallback = null,
double timeoutMs = 1000, bool showContinuousProgress = false, UIImage displayContinuousImage = null)
{
Ring.ResetStyle(IsiOS7ForLookAndFeel, (IsiOS7ForLookAndFeel ? TintColor : UIColor.White));
if (OverlayView.Superview == null)
{
var windows = UIApplication.SharedApplication.Windows;
Array.Reverse(windows);
foreach (UIWindow window in windows)
{
if (!window.Hidden && window.IsKeyWindow)
{
window.AddSubview(OverlayView);
break;
}
}
}
if (Superview == null)
{
OverlayView.AddSubview(this);
}
_fadeoutTimer = null;
ImageView.Hidden = true;
_maskType = maskType;
_progress = progress;
StringLabel.Text = status;
if (!string.IsNullOrEmpty(cancelCaption))
{
CancelHudButton.SetTitle(cancelCaption, UIControlState.Normal);
CancelHudButton.TouchUpInside += delegate
{
Dismiss();
if (cancelCallback != null)
{
obj.InvokeOnMainThread(() => cancelCallback.DynamicInvoke(null));
//cancelCallback.DynamicInvoke(null);
}
};
}
UpdatePosition(textOnly);
if (showContinuousProgress)
{
if (displayContinuousImage != null)
{
_displayContinuousImage = true;
ImageView.Image = displayContinuousImage;
ImageView.Hidden = false;
}
RingLayer.StrokeEnd = 0.0f;
StartProgressTimer(TimeSpan.FromMilliseconds(Ring.ProgressUpdateInterval));
}
else
{
if (progress >= 0)
{
ImageView.Image = null;
ImageView.Hidden = false;
SpinnerView.StopAnimating();
RingLayer.StrokeEnd = progress;
}
else if (textOnly)
{
CancelRingLayerAnimation();
SpinnerView.StopAnimating();
}
else
{
CancelRingLayerAnimation();
SpinnerView.StartAnimating();
}
}
bool cancelButtonVisible = _cancelHud != null && _cancelHud.IsDescendantOfView(_hudView);
// intercept user interaction with the underlying view
if (maskType != MaskType.None || cancelButtonVisible)
{
OverlayView.UserInteractionEnabled = true;
//AccessibilityLabel = status;
//IsAccessibilityElement = true;
}
else
{
OverlayView.UserInteractionEnabled = false;
//hudView.IsAccessibilityElement = true;
}
OverlayView.Hidden = false;
this.toastPosition = toastPosition;
PositionHUD(null);
if (Alpha != 1)
{
RegisterNotifications();
HudView.Transform.Scale(1.3f, 1.3f);
if (isClear)
{
Alpha = 1f;
HudView.Alpha = 0f;
}
UIView.Animate(0.15f, 0,
UIViewAnimationOptions.AllowUserInteraction | UIViewAnimationOptions.CurveEaseOut | UIViewAnimationOptions.BeginFromCurrentState,
delegate
{
HudView.Transform.Scale((float)1 / 1.3f, (float)1f / 1.3f);
if (isClear)
{
HudView.Alpha = 1f;
}
else
{
Alpha = 1f;
}
}, delegate
{
//UIAccessibilityPostNotification(UIAccessibilityScreenChangedNotification, string);
if (textOnly)
{
StartDismissTimer(TimeSpan.FromMilliseconds(timeoutMs));
}
});
SetNeedsDisplay();
}
}
/*
* void ShowProgressWorker(string cancelCaption, Delegate cancelCallback, float progress = -1, string status = null, MaskType maskType = MaskType.None){
* CancelHudButton.SetTitle(cancelCaption, UIControlState.Normal);
* CancelHudButton.TouchUpInside += delegate {
* BTProgressHUD.Dismiss();
* if(cancelCallback != null){
* cancelCallback.DynamicInvoke(null);
* }
* };
* UpdatePosition();
* ShowProgressWorker(progress, status, maskType);
* }
*/
void ShowProgressWorker(float progress = -1, string status = null, MaskType maskType = MaskType.None, bool textOnly = false,
bool showToastCentered = true, string cancelCaption = null, Action cancelCallback = null, double timeoutMs = 1000)
{
if (OverlayView.Superview == null)
{
UIApplication.SharedApplication.KeyWindow.AddSubview(OverlayView);
}
if (Superview == null)
{
OverlayView.AddSubview(this);
}
_fadeoutTimer = null;
ImageView.Hidden = true;
_maskType = maskType;
_progress = progress;
StringLabel.Text = status;
if (!string.IsNullOrEmpty(cancelCaption))
{
CancelHudButton.SetTitle(cancelCaption, UIControlState.Normal);
CancelHudButton.TouchUpInside += delegate {
BTProgressHUD.Dismiss();
if (cancelCallback != null)
{
obj.InvokeOnMainThread(() => cancelCallback.DynamicInvoke(null));
//cancelCallback.DynamicInvoke(null);
}
};
}
UpdatePosition(textOnly);
if (progress >= 0)
{
ImageView.Image = null;
ImageView.Hidden = false;
SpinnerView.StopAnimating();
RingLayer.StrokeEnd = progress;
}
else if (textOnly)
{
CancelRingLayerAnimation();
SpinnerView.StopAnimating();
}
else
{
CancelRingLayerAnimation();
SpinnerView.StartAnimating();
}
if (maskType != MaskType.None)
{
OverlayView.UserInteractionEnabled = true;
//AccessibilityLabel = status;
//IsAccessibilityElement = true;
}
else
{
OverlayView.UserInteractionEnabled = true;
//hudView.IsAccessibilityElement = true;
}
OverlayView.Hidden = false;
this.showToastCentered = showToastCentered;
PositionHUD(null);
if (Alpha != 1)
{
RegisterNotifications();
HudView.Transform.Scale(1.3f, 1.3f);
UIView.Animate(0.15f, 0,
UIViewAnimationOptions.AllowUserInteraction | UIViewAnimationOptions.CurveEaseOut | UIViewAnimationOptions.BeginFromCurrentState,
delegate {
HudView.Transform.Scale((float)1 / 1.3f, (float)1f / 1.3f);
Alpha = 1;
}, delegate {
//UIAccessibilityPostNotification(UIAccessibilityScreenChangedNotification, string);
if (textOnly)
{
StartDismissTimer(TimeSpan.FromMilliseconds(timeoutMs));
}
});
SetNeedsDisplay();
}
}
private void UpdateOverlay()
{
if (OverlayView == null)
{
return;
}
foreach (var subview in this.OverlayView.Subviews)
{
subview.RemoveFromSuperview();
}
if (_borderVisible)
{
UIView borderView = new UIView(ScrollView.Frame.Inset(-1.0f, -1.0f));
borderView.Layer.BorderColor = UIColor.White.ColorWithAlpha(0.5f).CGColor;
borderView.Layer.BorderWidth = 1.0f;
borderView.BackgroundColor = UIColor.Clear;
borderView.AutoresizingMask = ScrollView.AutoresizingMask;
if (_cropHoleType == CropHoleType.Circle)
{
borderView.Layer.CornerRadius = borderView.Frame.Height / 2;
}
OverlayView.AddSubview(borderView);
}
CAShapeLayer maskWithHole = new CAShapeLayer();
CGRect biggerRect = OverlayView.Bounds;
CGRect smallerRect = ScrollView.Frame;
UIBezierPath maskPath = new UIBezierPath();
maskPath.MoveTo(new CGPoint(biggerRect.GetMinX(), biggerRect.GetMinY()));
maskPath.AddLineTo(new CGPoint(biggerRect.GetMinX(), biggerRect.GetMaxY()));
maskPath.AddLineTo(new CGPoint(biggerRect.GetMaxX(), biggerRect.GetMaxY()));
maskPath.AddLineTo(new CGPoint(biggerRect.GetMaxX(), biggerRect.GetMinY()));
maskPath.AddLineTo(new CGPoint(biggerRect.GetMinX(), biggerRect.GetMinY()));
switch (_cropHoleType)
{
case CropHoleType.Square:
{
maskPath.MoveTo(new CGPoint(smallerRect.GetMinX(), smallerRect.GetMinY()));
maskPath.AddLineTo(new CGPoint(smallerRect.GetMinX(), smallerRect.GetMaxY()));
maskPath.AddLineTo(new CGPoint(smallerRect.GetMaxX(), smallerRect.GetMaxY()));
maskPath.AddLineTo(new CGPoint(smallerRect.GetMaxX(), smallerRect.GetMinY()));
maskPath.AddLineTo(new CGPoint(smallerRect.GetMinX(), smallerRect.GetMinY()));
}
break;
case CropHoleType.Circle:
{
maskPath.MoveTo(new CGPoint(smallerRect.GetMaxX(), smallerRect.GetMidY()));
maskPath.AddArc(
center: ScrollView.Center,
radius: smallerRect.Height / 2,
startAngle: DegreesToRadians(0),
endAngle: DegreesToRadians(360),
clockWise: true);
}
break;
}
maskWithHole.Frame = this.Bounds;
maskWithHole.Path = maskPath.CGPath;
maskWithHole.FillRule = CAShapeLayer.FillRuleEvenOdd;
OverlayView.Layer.Mask = maskWithHole;
}