| private static GetSeqNum ( DependencyObject obj ) : int | ||
| obj | DependencyObject | |
| return | int | |
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);
}
}
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));
}
}
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);
}
}