public HTMLMediaElement(Document owner, String name)
: base(owner, name)
{
_src = new BoundLocation(this, AttributeNames.Src);
_network = MediaNetworkState.Empty;
RegisterAttributeObserver(AttributeNames.Src, value => Load());
}
/// <summary>
/// Loads the media specified for this element.
/// </summary>
public void Load()
{
var src = CurrentSource;
//TODO More complex check if something is already loading (what is loading, cancel?, ...)
//see: https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-load
this.CancelTasks();
if (src != null)
{
_network = MediaNetworkState.Idle;
var url = new Url(src);
var request = this.CreateRequestFor(url);
_network = MediaNetworkState.Loading;
this.LoadResource <TResource>(request).ContinueWith(m =>
{
if (m.IsFaulted || m.Result == null)
{
_media = default(TResource);
_network = MediaNetworkState.NoSource;
}
else
{
_media = m.Result;
}
this.FireLoadOrErrorEvent(m);
});
}
}
/// <summary>
/// Loads the media specified for this element.
/// </summary>
public void Load()
{
//TODO More complex check if something is already loading (what is loading, cancel?, ...)
//see: https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-load
if (_resourceTask != null)
{
return;
}
var src = CurrentSource;
if (src != null)
{
_network = MediaNetworkState.Idle;
var url = this.HyperRef(src);
_resourceTask = Owner.Options.LoadResource <TResource>(url);
_network = MediaNetworkState.Loading;
_resourceTask.ContinueWith(_ =>
{
if (_.Result == null)
{
_network = MediaNetworkState.NoSource;
}
this.FireSimpleEvent(EventNames.Load);
});
}
}
async Task <TResource> LoadAsync(Url url, CancellationToken cancel)
{
var media = await Owner.Options.LoadResource <TResource>(url, cancel).ConfigureAwait(false);
if (media == null)
{
_network = MediaNetworkState.NoSource;
}
this.FireSimpleEvent(EventNames.Load);
return(media);
}
void FinishLoading(Task <TResource> task)
{
_media = default(TResource);
if (task.IsCompleted && !task.IsFaulted)
{
_media = task.Result;
}
if (_media == null)
{
_network = MediaNetworkState.NoSource;
}
this.FireLoadOrErrorEvent(task);
}
/// <summary>
/// Loads the media specified for this element.
/// </summary>
public void Load()
{
var source = CurrentSource;
//TODO More complex check if something is already loading (what is loading, cancel?, ...)
//see: https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-load
this.CancelTasks();
if (source == null)
{
return;
}
_network = MediaNetworkState.Idle;
var url = new Url(source);
var request = this.CreateRequestFor(url);
_network = MediaNetworkState.Loading;
this.LoadResource <TResource>(request).
ContinueWith(FinishLoading);
}
void UpdateSource(String value)
{
//TODO More complex check if something is already loading (what is loading, cancel?, ...)
//see: https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-load
if (_download != null && !_download.IsCompleted)
{
_download.Cancel();
}
var document = Owner;
_network = MediaNetworkState.Idle;
if (value != null && document != null)
{
var loader = document.Loader;
if (loader != null)
{
var url = new Url(value);
var request = this.CreateRequestFor(url);
_network = MediaNetworkState.Loading;
_download = loader.DownloadAsync(request);
var task = this.ProcessResource <TResource>(_download, result =>
{
_media = result;
if (_media == null)
{
_network = MediaNetworkState.NoSource;
}
});
document.DelayLoad(task);
}
}
}
/// <summary>
/// Loads the media specified for this element.
/// </summary>
public void Load()
{
//TODO More complex check if something is already loading (what is loading, cancel?, ...)
//see: https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-load
if (_resourceTask != null)
{
return;
}
else if (_cts != null)
{
_cts.Cancel();
}
var src = CurrentSource;
if (src != null)
{
_network = MediaNetworkState.Idle;
var url = new Url(src);
_cts = new CancellationTokenSource();
_network = MediaNetworkState.Loading;
_resourceTask = LoadAsync(url, _cts.Token);
}
}
public HTMLMediaElement(Document owner, String name, String prefix)
: base(owner, name, prefix)
{
_network = MediaNetworkState.Empty;
RegisterAttributeObserver(AttributeNames.Src, value => Load());
}
internal HTMLMediaElement(String name)
: base(name)
{
_network = MediaNetworkState.Empty;
}
public HTMLMediaElement(Document owner, String name, String prefix)
: base(owner, name, prefix)
{
_network = MediaNetworkState.Empty;
}
