|
static private OnError ( Image image, |
||
| image | Image | |
| exception | ||
| kind | AnimationErrorKind | |
| return | void | |
public async void Play()
{
try
{
if (!_isStarted)
{
_cancellationTokenSource = new CancellationTokenSource();
_isStarted = true;
if (_timingManager.IsPaused)
_timingManager.Resume();
await RunAsync(_cancellationTokenSource.Token);
}
else if (_timingManager.IsPaused)
{
_timingManager.Resume();
}
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
// ignore errors that might occur during Dispose
if (!_disposing)
AnimationBehavior.OnError(_image, ex, AnimationErrorKind.Rendering);
}
}
private static async void InitAnimationAsync(Image image, Stream stream, RepeatBehavior repeatBehavior, int seqNum)
{
if (!AnimationBehavior.CheckDesignMode(image, null, stream))
{
return;
}
try
{
Animator async = await Animator.CreateAsync(image, stream, repeatBehavior);
AnimationBehavior.SetAnimatorCore(image, async);
if (AnimationBehavior.GetSeqNum((DependencyObject)image) != seqNum)
{
async.Dispose();
}
else
{
AnimationBehavior.OnLoaded(image);
}
}
catch (Exception ex)
{
AnimationBehavior.OnError(image, ex, AnimationErrorKind.Loading);
}
}
public async void Play()
{
try
{
if (!this._isStarted)
{
this._cancellationTokenSource = new CancellationTokenSource();
this._isStarted = true;
if (this._timingManager.IsPaused)
{
this._timingManager.Resume();
}
await this.RunAsync(this._cancellationTokenSource.Token);
}
else
{
if (!this._timingManager.IsPaused)
{
return;
}
this._timingManager.Resume();
}
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
if (this._disposing)
{
return;
}
AnimationBehavior.OnError(this._image, ex, AnimationErrorKind.Rendering);
}
}
internal async void ShowFirstFrame()
{
try
{
await RenderFrameAsync(0, CancellationToken.None);
CurrentFrameIndex = 0;
_timingManager.Pause();
}
catch (Exception ex)
{
AnimationBehavior.OnError(_image, ex, AnimationErrorKind.Rendering);
}
}
private static void InitAnimation(Image image)
{
if (AnimationBehavior.IsLoaded((FrameworkElement)image))
{
// ISSUE: method pointer
((FrameworkElement)image).Unloaded += (new RoutedEventHandler(AnimationBehavior.Image_Unloaded));
if (AnimationBehavior._cancellationTokenSource != null)
{
AnimationBehavior._cancellationTokenSource.Cancel();
AnimationBehavior._cancellationTokenSource.Dispose();
AnimationBehavior._cancellationTokenSource = null;
}
AnimationBehavior._cancellationTokenSource = new CancellationTokenSource();
int seqNum = AnimationBehavior.GetSeqNum((DependencyObject)image) + 1;
AnimationBehavior.SetSeqNum((DependencyObject)image, seqNum);
image.Source = (null);
AnimationBehavior.ClearAnimatorCore(image);
try
{
Stream sourceStream = AnimationBehavior.GetSourceStream((DependencyObject)image);
if (sourceStream != null)
{
AnimationBehavior.InitAnimationAsync(image, sourceStream, AnimationBehavior.GetRepeatBehavior((DependencyObject)image), seqNum);
}
else
{
Uri absoluteUri = AnimationBehavior.GetAbsoluteUri(image);
if (!(absoluteUri != null))
{
return;
}
AnimationBehavior.InitAnimationAsync(image, absoluteUri, AnimationBehavior._cancellationTokenSource.Token, AnimationBehavior.GetRepeatBehavior((DependencyObject)image), seqNum);
}
}
catch (Exception ex)
{
AnimationBehavior.OnError(image, ex, AnimationErrorKind.Loading);
}
}
else
{
// ISSUE: method pointer
((FrameworkElement)image).Loaded += (new RoutedEventHandler(AnimationBehavior.Image_Loaded));
}
}
public async void Play()
{
_cancellationTokenSource = new CancellationTokenSource();
try
{
if (!_isStarted)
{
_isStarted = true;
await RunAsync(_cancellationTokenSource.Token);
}
else if (_timingManager.IsPaused)
{
_timingManager.Resume();
}
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
AnimationBehavior.OnError(_image, ex, AnimationErrorKind.Rendering);
}
}
private static async void InitAnimationAsync(Image image, Uri sourceUri, CancellationToken cancellationToken, RepeatBehavior repeatBehavior, int seqNum)
{
if (!AnimationBehavior.CheckDesignMode(image, sourceUri, null))
{
return;
}
try
{
// ISSUE: reference to a compiler-generated field
Animator.DownloadProgressChanged += AnimationBehavior.DownloadProgressChanged;
Animator async = await Animator.CreateAsync(image, sourceUri, cancellationToken, repeatBehavior);
// ISSUE: reference to a compiler-generated field
Animator.DownloadProgressChanged -= AnimationBehavior.DownloadProgressChanged;
if (async == null || AnimationBehavior.GetSeqNum((DependencyObject)image) != seqNum)
{
if (async == null)
{
return;
}
// ISSUE: explicit non-virtual call
async.Dispose();
}
else
{
AnimationBehavior.SetAnimatorCore(image, async);
AnimationBehavior.OnLoaded(image);
}
}
catch (Exception ex)
{
// ISSUE: reference to a compiler-generated field
Animator.DownloadProgressChanged -= AnimationBehavior.DownloadProgressChanged;
AnimationBehavior.OnError(image, ex, AnimationErrorKind.Loading);
}
}
