/// <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);
}));
}
}
/// <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;
}
}
