private static bool CancelPlay(bool manualActivatePage)
{
lock (typeof(YouTube))
{
if (_oldState == null && _cancellationToken == null)
{
return(false);
}
if (_cancellationToken != null)
{
_cancellationToken.Cancel();
_cancellationToken.Dispose();
_cancellationToken = null;
}
if (!manualActivatePage && _oldState != null)
{
_oldState.Revert();
SystemTray.ProgressIndicator.IsVisible = false;
_oldState = null;
}
return(true);
}
}
/// <summary>
/// This method disables the current page and shows a progress indicator until the youtube movie url has been loaded and starts
/// </summary>
/// <param name="youTubeId"></param>
/// <param name="manualActivatePage">if true add YouTube.CancelPlay() in OnNavigatedTo() of the page (better)</param>
/// <param name="maxQuality"></param>
/// <param name="completed"></param>
public static void Play(string youTubeId, bool manualActivatePage, YouTubeQuality maxQuality = YouTubeQuality.Quality480P, Action<Exception> completed = null)
{
lock (typeof(YouTube))
{
if (oldState != null)
return;
if (SystemTray.ProgressIndicator == null)
SystemTray.ProgressIndicator = new ProgressIndicator();
SystemTray.ProgressIndicator.IsVisible = true;
SystemTray.ProgressIndicator.IsIndeterminate = true;
var page = PhonePage.CurrentPage;
oldState = PageDeactivator.Inactivate();
httpResponse = Play(youTubeId, YouTubeQuality.Quality480P, ex => Deployment.Current.Dispatcher.BeginInvoke(
delegate
{
if (page == PhonePage.CurrentPage) // !user navigated away
{
if (ex == null)
CancelPlay(manualActivatePage);
else
CancelPlay(false);
}
if (completed != null)
completed(ex);
}));
}
}
private static bool CancelPlay(bool manualActivate)
{
lock (typeof(YouTube))
{
if (oldState == null && httpResponse == null)
{
return(false);
}
if (httpResponse != null)
{
httpResponse.Abort();
httpResponse = null;
}
if (!manualActivate && oldState != null)
{
oldState.Revert();
SystemTray.ProgressIndicator.IsVisible = false;
oldState = null;
}
return(true);
}
}
/// <summary>Plays the YouTube video in the Windows Phone's external player.
/// Disables the current page and shows a progress indicator until
/// the YouTube movie URI has been loaded and the video playback starts. </summary>
/// <param name="youTubeId">The YouTube ID</param>
/// <param name="manualActivatePage">if true add YouTube.CancelPlay() in OnNavigatedTo() of the page (better)</param>
/// <param name="maxQuality">The maximum allowed video quality. </param>
/// <returns>Awaitable task. </returns>
public static async Task PlayWithPageDeactivationAsync(string youTubeId, bool manualActivatePage, YouTubeQuality maxQuality)
{
PhoneApplicationPage page;
lock (typeof(YouTube))
{
if (_oldState != null)
{
return;
}
if (SystemTray.ProgressIndicator == null)
{
SystemTray.ProgressIndicator = new ProgressIndicator();
}
SystemTray.ProgressIndicator.IsVisible = true;
SystemTray.ProgressIndicator.IsIndeterminate = true;
page = Environment.PhoneApplication.CurrentPage;
_oldState = PageDeactivator.Inactivate();
_cancellationToken = new CancellationTokenSource();
}
try
{
await PlayAsync(youTubeId, maxQuality, _cancellationToken.Token);
if (page == Environment.PhoneApplication.CurrentPage)
{
CancelPlay(manualActivatePage);
}
}
catch (Exception)
{
if (page == Environment.PhoneApplication.CurrentPage)
{
CancelPlay(false);
}
throw;
}
}
public static Popup Show(PopupControl control, bool hideApplicationBar, bool showFullScreen, Action<PopupControl> completed)
{
if (popupStack == null)
popupStack = new Stack<PopupControl>();
var oldState = new PageDeactivator();
var page = PhoneApplication.CurrentPage;
var heightSub = 0.0;
if (hideApplicationBar && page.ApplicationBar != null && page.ApplicationBar.IsVisible)
{
page.ApplicationBar.IsVisible = false;
heightSub = page.ApplicationBar.Mode == ApplicationBarMode.Minimized
? page.ApplicationBar.MiniSize
: page.ApplicationBar.DefaultSize;
}
else
hideApplicationBar = false;
var content = page.Content;
content.IsHitTestVisible = false;
var popup = new Popup
{
Child = control,
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch
};
control.Popup = popup;
if (SystemTray.IsVisible && !(SystemTray.Opacity < 1.0))
heightSub += 32;
// set popup size
if (showFullScreen)
popup.Height = page.ActualHeight + heightSub;
popup.Width = page.ActualWidth;
// set control size
if (showFullScreen)
control.Height = page.ActualHeight + heightSub;
control.Width = page.ActualWidth;
// hide underlying page
if (showFullScreen && content.Visibility == Visibility.Visible)
content.Visibility = Visibility.Collapsed;
else
showFullScreen = false;
// deactivate page
var color = ColorUtilities.RemoveAlpha(
PhoneApplication.IsDarkTheme ? ColorUtilities.FromHex("#22FFFFFF") :
ColorUtilities.FromHex("#DDFFFFFF"), Colors.Black);
var oldColor = SystemTray.BackgroundColor;
control.SetBackgroundColor(color);
oldState.DoIt(false);
// register back key event
object handlerObject = null;
if (page is ExtendedPage)
{
handlerObject = ((ExtendedPage)page).AddBackKeyPressHandler(args =>
{
if (popupStack.Peek() == control)
{
args.Cancel = true;
control.GoBack();
}
});
}
else
{
var handler = new EventHandler<CancelEventArgs>((sender, args) =>
{
if (popupStack.Peek() == control)
{
args.Cancel = true;
control.GoBack();
}
});
page.BackKeyPress += handler;
handlerObject = handler;
}
SystemTray.BackgroundColor = color;
popup.IsOpen = true;
// hide underlying popups
foreach (var p in popupStack)
p.Visibility = Visibility.Collapsed;
popupStack.Push(control);
control.Closed += delegate
{
if (showFullScreen)
content.Visibility = Visibility.Visible;
if (hideApplicationBar && page.ApplicationBar != null)
page.ApplicationBar.IsVisible = true;
content.IsHitTestVisible = true;
popup.IsOpen = false;
popupStack.Pop();
if (popupStack.Count > 0)
popupStack.Peek().Visibility = Visibility.Visible;
oldState.Revert();
if (page is ExtendedPage)
((ExtendedPage)page).RemoveBackKeyPressAsyncHandler((Func<CancelEventArgs, Task>) handlerObject);
else
page.BackKeyPress -= (EventHandler<CancelEventArgs>)handlerObject;
SystemTray.BackgroundColor = oldColor;
if (completed != null)
completed(control);
};
return popup;
}
public static Popup Show(PopupControl control, bool hideApplicationBar, bool showFullScreen, Action<PopupControl> completed)
{
var oldState = new PageDeactivator();
var page = PhonePage.CurrentPage;
var heightSub = 0.0;
if (hideApplicationBar && page.ApplicationBar.IsVisible)
{
page.ApplicationBar.IsVisible = false;
heightSub = page.ApplicationBar.Mode == ApplicationBarMode.Minimized
? page.ApplicationBar.MiniSize
: page.ApplicationBar.DefaultSize;
}
else
hideApplicationBar = false;
var content = page.Content;
content.IsHitTestVisible = false;
if (showFullScreen && content.Visibility == Visibility.Visible)
content.Visibility = Visibility.Collapsed;
else
showFullScreen = false;
var popup = new Popup
{
Child = control,
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch
};
control.Popup = popup;
if (showFullScreen)
popup.Height = page.ActualHeight + heightSub;
popup.Width = page.ActualWidth;
if (showFullScreen)
control.Height = page.ActualHeight + heightSub;
control.Width = page.ActualWidth;
var color = ColorUtility.RemoveAlpha(
PhoneApplication.IsDarkTheme ? ColorUtility.FromHex("#22FFFFFF") :
ColorUtility.FromHex("#DDFFFFFF"), Colors.Black);
var oldColor = SystemTray.BackgroundColor;
control.SetBackgroundColor(color);
oldState.DoIt(false);
var del = new EventHandler<CancelEventArgs>(delegate(object sender, CancelEventArgs args)
{
args.Cancel = true;
control.GoBack();
});
page.BackKeyPress += del;
SystemTray.BackgroundColor = color;
popup.IsOpen = true;
control.Closed += delegate
{
if (showFullScreen)
content.Visibility = Visibility.Visible;
if (hideApplicationBar)
page.ApplicationBar.IsVisible = true;
content.IsHitTestVisible = true;
popup.IsOpen = false;
oldState.Revert();
page.BackKeyPress -= del;
SystemTray.BackgroundColor = oldColor;
if (completed != null)
completed(control);
};
return popup;
}
public static Popup Show(PopupControl control, bool hideApplicationBar, bool showFullScreen, Action <PopupControl> completed)
{
if (popupStack == null)
{
popupStack = new Stack <PopupControl>();
}
var oldState = new PageDeactivator();
var page = PhoneApplication.CurrentPage;
var heightSub = 0.0;
if (hideApplicationBar && page.ApplicationBar != null && page.ApplicationBar.IsVisible)
{
page.ApplicationBar.IsVisible = false;
heightSub = page.ApplicationBar.Mode == ApplicationBarMode.Minimized
? page.ApplicationBar.MiniSize
: page.ApplicationBar.DefaultSize;
}
else
{
hideApplicationBar = false;
}
var content = page.Content;
content.IsHitTestVisible = false;
var popup = new Popup
{
Child = control,
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch
};
control.Popup = popup;
if (SystemTray.IsVisible && !(SystemTray.Opacity < 1.0))
{
heightSub += 32;
}
// set popup size
if (showFullScreen)
{
popup.Height = page.ActualHeight + heightSub;
}
popup.Width = page.ActualWidth;
// set control size
if (showFullScreen)
{
control.Height = page.ActualHeight + heightSub;
}
control.Width = page.ActualWidth;
// hide underlying page
if (showFullScreen && content.Visibility == Visibility.Visible)
{
content.Visibility = Visibility.Collapsed;
}
else
{
showFullScreen = false;
}
// deactivate page
var color = ColorUtilities.RemoveAlpha(
PhoneApplication.IsDarkTheme ? ColorUtilities.FromHex("#22FFFFFF") :
ColorUtilities.FromHex("#DDFFFFFF"), Colors.Black);
var oldColor = SystemTray.BackgroundColor;
control.SetBackgroundColor(color);
oldState.DoIt(false);
// register back key event
object handlerObject = null;
if (page is ExtendedPage)
{
handlerObject = ((ExtendedPage)page).AddBackKeyPressHandler(args =>
{
if (popupStack.Peek() == control)
{
args.Cancel = true;
control.GoBack();
}
});
}
else
{
var handler = new EventHandler <CancelEventArgs>((sender, args) =>
{
if (popupStack.Peek() == control)
{
args.Cancel = true;
control.GoBack();
}
});
page.BackKeyPress += handler;
handlerObject = handler;
}
SystemTray.BackgroundColor = color;
popup.IsOpen = true;
// hide underlying popups
foreach (var p in popupStack)
{
p.Visibility = Visibility.Collapsed;
}
popupStack.Push(control);
control.Closed += delegate
{
if (showFullScreen)
{
content.Visibility = Visibility.Visible;
}
if (hideApplicationBar && page.ApplicationBar != null)
{
page.ApplicationBar.IsVisible = true;
}
content.IsHitTestVisible = true;
popup.IsOpen = false;
popupStack.Pop();
if (popupStack.Count > 0)
{
popupStack.Peek().Visibility = Visibility.Visible;
}
oldState.Revert();
if (page is ExtendedPage)
{
((ExtendedPage)page).RemoveBackKeyPressAsyncHandler((Func <CancelEventArgs, Task>)handlerObject);
}
else
{
page.BackKeyPress -= (EventHandler <CancelEventArgs>)handlerObject;
}
SystemTray.BackgroundColor = oldColor;
if (completed != null)
{
completed(control);
}
};
return(popup);
}
