void ShowNextMessage()
{
if (MessageBarQueue.Count > 0)
{
MessageVisible = true;
MessageView messageView = MessageBarQueue.Dequeue();
messageView.Frame = new RectangleF(0, -messageView.Height, messageView.Width, messageView.Height);
messageView.Hidden = false;
messageView.SetNeedsDisplay();
var gest = new UITapGestureRecognizer(MessageTapped);
messageView.AddGestureRecognizer(gest);
if (messageView == null)
{
return;
}
UIView.Animate(DismissAnimationDuration,
() =>
messageView.Frame = new RectangleF(messageView.Frame.X,
MessageBarOffset + messageView.Frame.Y + messageView.Height,
messageView.Width, messageView.Height)
);
//Need a better way of dissmissing the method
var dismiss = new Timer(DismissMessage, messageView, TimeSpan.FromSeconds(DisplayDelay),
TimeSpan.FromMilliseconds(-1));
}
}
async void DismissMessage(MessageView messageView, bool clicked)
{
if (messageView != null && !messageView.Hit)
{
messageView.Hit = true;
UIView.Animate(AnimationDuration + .1, 0, UIViewAnimationOptions.CurveEaseOut, () =>
{
//messageView.Alpha = 0f;
messageView.Frame = new CGRect(messageView.Frame.X, initialPosition, messageView.Frame.Width, messageView.Frame.Height);
}, () =>
{
MessageVisible = false;
messageView.RemoveFromSuperview();
var action = messageView.OnDismiss;
if (action != null)
{
action(clicked);
}
if (MessageBarQueue.Count > 0)
{
ShowNextMessage();
}
else
{
lastMessage = null;
}
});
}
}
void DismissMessage(MessageView messageView)
{
if (messageView != null && !messageView.Hit)
{
messageView.Hit = true;
UIView.Animate(DismissAnimationDuration,
delegate {
messageView.Frame = new RectangleF(
messageView.Frame.X,
-(messageView.Frame.Height - MessageBarOffset),
messageView.Frame.Width, messageView.Frame.Height);
},
delegate {
MessageVisible = false;
messageView.RemoveFromSuperview();
var action = messageView.OnDismiss;
if (action != null)
{
action();
}
if (MessageBarQueue.Count > 0)
{
ShowNextMessage();
}
}
);
}
}
MessageView GetNextMessage()
{
MessageView message = null;
if (!DiscardRepeated)
{
return(MessageBarQueue.Dequeue());
}
while (MessageBarQueue.Count > 0)
{
message = MessageBarQueue.Dequeue();
if (IsEqualLastMessage(message))
{
message = null;
}
else
{
break;
}
}
lastMessage = message;
return(message);
}
/// <summary>
/// Dismisses the message.
/// </summary>
/// <param name="messageView">
/// The message view.
/// </param>
/// <param name="dismissedByTap">
/// if set to <c>true</c> [dismissed by tap].
/// </param>
private void DismissMessage(MessageView messageView, bool dismissedByTap)
{
if (messageView != null && !messageView.Hit)
{
messageView.Hit = true;
UIView.Animate(
DismissAnimationDuration,
() => {
messageView.Frame = new CGRect(
messageView.Frame.X,
this.initialPosition,
messageView.Frame.Width,
messageView.Frame.Height);
},
() => {
this.MessageVisible = false;
messageView.RemoveFromSuperview();
InvokeDismissEvent(messageView, dismissedByTap);
if (this.MessageBarQueue.Count > 0)
{
this.ShowNextMessage();
}
else
{
this.lastMessage = null;
}
});
}
}
/// <summary>
/// Gets the next message.
/// </summary>
/// <returns>
/// The <see cref="MessageView"/>.
/// </returns>
private MessageView GetNextMessage()
{
MessageView message = null;
if (!this.DiscardRepeated)
{
return(this.MessageBarQueue.Dequeue());
}
// Removes all except the last message.
while (this.MessageBarQueue.Count > 0)
{
message = this.MessageBarQueue.Dequeue();
if (!this.IsEqualLastMessage(message))
{
break;
}
message = null;
}
this.lastMessage = message;
return(message);
}
/// <summary>
/// Shows the message.
/// <para>
/// Adds a new message to the queue, and shows it when all previous messages has finished showing.
/// If no messages exists in the queue, will (obviously) be displayed instantly.
/// </para>
/// </summary>
/// <param name="title">
/// Message Bar title
/// </param>
/// <param name="description">
/// Message Bar description
/// </param>
/// <param name="type">
/// Message type
/// </param>
/// <param name="duration">
/// The duration. Default (null) is 3 Seconds.
/// </param>
/// <param name="onTapped">
/// OnTapped callback.
/// </param>
/// <param name="onDismiss">
/// OnDismiss callback
/// </param>
public void ShowMessage(
string title,
string description,
MessageType type,
TimeSpan?duration = null,
Action onTapped = null,
Action onDismiss = null)
{
var messageView = new MessageView(title, description, type)
{
StylesheetProvider = this,
OnTapped = onTapped,
OnDismiss = onDismiss,
Hidden = true,
Duration = duration ?? TimeSpan.FromSeconds(3)
};
this.MessageWindowView.AddSubview(messageView);
this.MessageWindowView.BringSubviewToFront(messageView);
this.MessageBarQueue.Enqueue(messageView);
if (!this.MessageVisible)
{
this.ShowNextMessage();
}
}
void DismissMessage(MessageView messageView)
{
if (messageView != null && !messageView.Hit)
{
messageView.Hit = true;
UIView.Animate(DismissAnimationDuration,
delegate {
messageView.Frame = new CGRect(
messageView.Frame.X,
initialPosition,
messageView.Frame.Width, messageView.Frame.Height);
},
delegate {
MessageVisible = false;
messageView.RemoveFromSuperview();
messageView.OnDismiss?.Invoke();
if (MessageBarQueue.Count > 0)
{
ShowNextMessage();
}
else
{
lastMessage = null;
}
}
);
}
}
/// <summary>
/// Shows the message
/// </summary>
/// <param name="title">Messagebar title</param>
/// <param name="description">Messagebar description</param>
/// <param name="type">Message type</param>
/// <param name = "onDismiss">OnDismiss callback</param>
public void ShowMessage(string title, string description, MessageType type, Action onDismiss)
{
var messageView = new MessageView(title, description, type);
messageView.StylesheetProvider = this;
messageView.OnDismiss = onDismiss;
messageView.Hidden = true;
UIApplication.SharedApplication.KeyWindow.InsertSubview(messageView, 1);
MessageBarQueue.Enqueue(messageView);
if (!MessageVisible)
{
ShowNextMessage();
}
}
/// <summary>
/// Hides all currently-displayed messages, and discards the Message queue.
/// </summary>
public void HideAll()
{
var subviews = this.MessageWindowView.Subviews;
foreach (UIView subview in subviews)
{
var view = subview as MessageView;
if (view != null)
{
MessageView currentMessageView = view;
currentMessageView.RemoveFromSuperview();
}
}
this.MessageVisible = false;
this.MessageBarQueue.Clear();
CancelPreviousPerformRequest(this);
}
/// <summary>
/// Hides all messages
/// </summary>
public void HideAll()
{
MessageView currentMessageView = null;
var subviews = UIApplication.SharedApplication.KeyWindow.Subviews;
foreach (UIView subview in subviews)
{
var view = subview as MessageView;
if (view != null)
{
currentMessageView = view;
currentMessageView.RemoveFromSuperview();
}
}
MessageVisible = false;
MessageBarQueue.Clear();
CancelPreviousPerformRequest(this);
}
/// <summary>
/// Invokes the correct dismiss event, depending on the <see cref="dismissedByTap"/> value.
/// </summary>
/// <param name="messageView">
/// The message view.
/// </param>
/// <param name="dismissedByTap">
/// if set to <c>true</c> [dismissed by tap].
/// </param>
private static void InvokeDismissEvent(MessageView messageView, bool dismissedByTap)
{
if (!dismissedByTap)
{
var onDismiss = messageView.OnDismiss;
if (onDismiss != null)
{
onDismiss();
}
}
else
{
var onTapped = messageView.OnTapped;
if (onTapped != null)
{
onTapped();
}
}
}
void ShowNextMessage()
{
MessageView messageView = GetNextMessage();
if (messageView != null)
{
MessageVisible = true;
if (ShowAtTheBottom)
{
initialPosition = MessageWindowView.Bounds.Height + messageView.Height;
showPosition = MessageWindowView.Bounds.Height - messageView.Height;
}
else
{
initialPosition = MessageWindowView.Bounds.Y - messageView.Height;
showPosition = MessageWindowView.Bounds.Y + MessageBarOffset;
}
messageView.Frame = new CGRect(0, initialPosition, messageView.Width, messageView.Height);
messageView.Hidden = false;
messageView.SetNeedsDisplay();
var gest = new UITapGestureRecognizer(MessageTapped);
messageView.AddGestureRecognizer(gest);
if (messageView == null)
{
return;
}
UIView.Animate(DismissAnimationDuration,
() =>
messageView.Frame = new CGRect(messageView.Frame.X,
showPosition,
messageView.Width, messageView.Height)
);
//Need a better way of dissmissing the method
var dismiss = new Timer(DismissMessage, messageView, TimeSpan.FromSeconds(DisplayDelay),
TimeSpan.FromMilliseconds(-1));
}
}
void ShowNextMessage(double duration = DisplayDelay)
{
MessageView messageView = GetNextMessage();
if (messageView != null)
{
MessageVisible = true;
if (ShowAtTheBottom)
{
initialPosition = MessageWindowView.Bounds.Height + messageView.Height;
showPosition = MessageWindowView.Bounds.Height - messageView.Height - messageView.Margin;
}
else
{
initialPosition = MessageWindowView.Bounds.Y - messageView.Height;
showPosition = MessageWindowView.Bounds.Y;
}
messageView.Frame = new CGRect(messageView.Margin, initialPosition, messageView.Width, messageView.Height);
messageView.Hidden = false;
messageView.SetNeedsDisplay();
var gest = new UITapGestureRecognizer(MessageTapped);
messageView.AddGestureRecognizer(gest);
if (messageView == null)
{
return;
}
//messageView.Alpha = 0f;
UIView.Animate(AnimationDuration, 0, UIViewAnimationOptions.CurveEaseIn, () =>
{
//messageView.Alpha = 1f;
messageView.Frame = new CGRect(messageView.Frame.X, showPosition, messageView.Width, messageView.Height);
}, null);
//Need a better way of dissmissing the method
new Timer(DismissMessage, messageView, TimeSpan.FromSeconds(duration), TimeSpan.FromMilliseconds(-1));
}
}
public MessageBarStyleSheet StyleSheetForMessageView (MessageView messageView)
{
return StyleSheet;
}
bool IsEqualLastMessage(MessageView message)
{
return(message.Equals(lastMessage));
}
bool IsEqualLastMessage(MessageView message){
return message.Equals(lastMessage);
}
void DismissMessage (MessageView messageView)
{
if (messageView != null && !messageView.Hit) {
messageView.Hit = true;
UIView.Animate (DismissAnimationDuration,
delegate {
messageView.Frame = new CGRect (
messageView.Frame.X,
initialPosition,
messageView.Frame.Width, messageView.Frame.Height);
},
delegate {
MessageVisible = false;
messageView.RemoveFromSuperview ();
messageView.OnDismiss?.Invoke();
if (MessageBarQueue.Count > 0) {
ShowNextMessage ();
}
else {
lastMessage = null;
}
}
);
}
}
MessageView GetNextMessage ()
{
MessageView message = null;
if (!DiscardRepeated)
return MessageBarQueue.Dequeue ();
while (MessageBarQueue.Count > 0) {
message = MessageBarQueue.Dequeue ();
if (IsEqualLastMessage (message))
message = null;
else
break;
}
lastMessage = message;
return message;
}
/// <summary>
/// Shows the message
/// </summary>
/// <param name="title">Messagebar title</param>
/// <param name="description">Messagebar description</param>
/// <param name="type">Message type</param>
/// <param name = "onDismiss">OnDismiss callback</param>
public void ShowMessage (string title, string description, MessageType type, Action onDismiss, Action onTap)
{
var messageView = new MessageView (title, description, type);
messageView.StylesheetProvider = this;
messageView.OnDismiss = onDismiss;
messageView.Hidden = true;
messageView.OnTap = onTap;
//UIApplication.SharedApplication.KeyWindow.InsertSubview (messageView, 1);
MessageWindowView.AddSubview (messageView);
MessageWindowView.BringSubviewToFront (messageView);
MessageBarQueue.Enqueue (messageView);
if (!MessageVisible)
ShowNextMessage ();
}
/// <summary>
/// Determines whether the specified message is equal to the last message handled.
/// </summary>
/// <param name="message">
/// The message.
/// </param>
/// <returns>
/// The <see cref="bool"/>.
/// </returns>
private bool IsEqualLastMessage(MessageView message)
{
return(message.Equals(this.lastMessage));
}
void DismissMessage (MessageView messageView)
{
if (messageView != null && !messageView.Hit) {
messageView.Hit = true;
UIView.Animate (DismissAnimationDuration,
delegate {
messageView.Frame = new RectangleF (
messageView.Frame.X,
- (messageView.Frame.Height - MessageBarOffset),
messageView.Frame.Width, messageView.Frame.Height);
},
delegate {
MessageVisible = false;
messageView.RemoveFromSuperview ();
var action = messageView.OnDismiss;
if (action != null) {
action ();
}
if (MessageBarQueue.Count > 0) {
ShowNextMessage ();
}
}
);
}
}
async void DismissMessage(MessageView messageView, bool clicked)
{
if(messageView != null && !messageView.Hit)
{
messageView.Hit = true;
UIView.Animate(AnimationDuration + .1, 0, UIViewAnimationOptions.CurveEaseOut, () =>
{
//messageView.Alpha = 0f;
messageView.Frame = new CGRect(messageView.Frame.X, initialPosition, messageView.Frame.Width, messageView.Frame.Height);
}, () =>
{
MessageVisible = false;
messageView.RemoveFromSuperview();
var action = messageView.OnDismiss;
if(action != null)
{
action(clicked);
}
if(MessageBarQueue.Count > 0)
{
ShowNextMessage();
}
else
{
lastMessage = null;
}
});
}
}
/// <summary>
/// Gets the next message.
/// </summary>
/// <returns>
/// The <see cref="MessageView"/>.
/// </returns>
private MessageView GetNextMessage()
{
MessageView message = null;
if (!this.DiscardRepeated)
{
return this.MessageBarQueue.Dequeue();
}
// Removes all except the last message.
while (this.MessageBarQueue.Count > 0)
{
message = this.MessageBarQueue.Dequeue();
if (!this.IsEqualLastMessage(message))
{
break;
}
message = null;
}
this.lastMessage = message;
return message;
}
/// <summary>
/// Determines whether the specified message is equal to the last message handled.
/// </summary>
/// <param name="message">
/// The message.
/// </param>
/// <returns>
/// The <see cref="bool"/>.
/// </returns>
private bool IsEqualLastMessage(MessageView message)
{
return message.Equals(this.lastMessage);
}
/// <summary>
/// Invokes the correct dismiss event, depending on the <see cref="dismissedByTap"/> value.
/// </summary>
/// <param name="messageView">
/// The message view.
/// </param>
/// <param name="dismissedByTap">
/// if set to <c>true</c> [dismissed by tap].
/// </param>
private static void InvokeDismissEvent(MessageView messageView, bool dismissedByTap)
{
if (!dismissedByTap)
{
var onDismiss = messageView.OnDismiss;
if (onDismiss != null)
{
onDismiss();
}
}
else
{
var onTapped = messageView.OnTapped;
if (onTapped != null)
{
onTapped();
}
}
}
/// <summary>
/// Dismisses the message.
/// </summary>
/// <param name="messageView">
/// The message view.
/// </param>
/// <param name="dismissedByTap">
/// if set to <c>true</c> [dismissed by tap].
/// </param>
private void DismissMessage(MessageView messageView, bool dismissedByTap)
{
if (messageView != null && !messageView.Hit)
{
messageView.Hit = true;
UIView.Animate(
DismissAnimationDuration,
() => {
messageView.Frame = new CGRect(
messageView.Frame.X,
this.initialPosition,
messageView.Frame.Width,
messageView.Frame.Height);
},
() => {
this.MessageVisible = false;
messageView.RemoveFromSuperview();
InvokeDismissEvent(messageView, dismissedByTap);
if (this.MessageBarQueue.Count > 0)
{
this.ShowNextMessage();
}
else
{
this.lastMessage = null;
}
});
}
}
public MessageBarStyleSheet StyleSheetForMessageView(MessageView messageView)
{
return(StyleSheet);
}
/// <summary>
/// Shows the message.
/// <para>
/// Adds a new message to the queue, and shows it when all previous messages has finished showing.
/// If no messages exists in the queue, will (obviously) be displayed instantly.
/// </para>
/// </summary>
/// <param name="title">
/// Message Bar title
/// </param>
/// <param name="description">
/// Message Bar description
/// </param>
/// <param name="type">
/// Message type
/// </param>
/// <param name="duration">
/// The duration. Default (null) is 3 Seconds.
/// </param>
/// <param name="onTapped">
/// OnTapped callback.
/// </param>
/// <param name="onDismiss">
/// OnDismiss callback
/// </param>
public void ShowMessage(
string title,
string description,
MessageType type,
TimeSpan? duration = null,
Action onTapped = null,
Action onDismiss = null)
{
var messageView = new MessageView(title, description, type)
{
StylesheetProvider = this,
OnTapped = onTapped,
OnDismiss = onDismiss,
Hidden = true,
Duration = duration ?? TimeSpan.FromSeconds(3)
};
this.MessageWindowView.AddSubview(messageView);
this.MessageWindowView.BringSubviewToFront(messageView);
this.MessageBarQueue.Enqueue(messageView);
if (!this.MessageVisible)
{
this.ShowNextMessage();
}
}
