internal void LoadingComplete(ResourceLoadedEventArgs <T> args)
{
IsCompleted = true;
Error = args.Error;
Resource = args.Resource;
if (_onLoad != null)
{
_onLoad(args);
}
}
/// <summary>
/// Load resource async
/// </summary>
/// <param name="owner">Who request resource</param>
/// <param name="url">Resource URL</param>
/// <param name="actionOnLoad">Handler to handle load complete</param>
/// <param name="actionOnStep">Handler to handle loading progress</param>
/// <typeparam name="T"></typeparam>
public void LoadResource <T>(object owner, string url, Action <ResourceLoadedEventArgs <T> > actionOnLoad,
Action <ResourceLoadingProgressEventArgs> actionOnStep = null) where T : class
{
var loadingOperation = InternalLoadResource <T>(owner, url);
if (loadingOperation == null)
{
if (actionOnLoad != null)
{
actionOnLoad(ResourceLoadedEventArgs <T> .CompletedError(url,
new ImpossibleToLoadResourceException(string.Format("ResourceType:{0} Owner:{1} Url:{2}", typeof(T), owner, url))));
}
if (_onResourceLoadError != null)
{
_onResourceLoadError(new ImpossibleToLoadResourceException(string.Format("ResourceType:{0} Owner:{1} Url:{2}", typeof(T), owner, url)));
}
return;
}
if (actionOnLoad != null)
{
if (loadingOperation.Error != null)
{
actionOnLoad(ResourceLoadedEventArgs <T> .CompletedError(url, loadingOperation.Error));
return;
}
if (loadingOperation.IsCompleted)
{
actionOnLoad(ResourceLoadedEventArgs <T> .CompletedSuccess(url, loadingOperation.Resource));
return;
}
loadingOperation.OnResourceLoaded += actionOnLoad;
}
if (actionOnStep != null)
{
loadingOperation.OnLoadStep += actionOnStep;
}
}
public void LoadingCanceled()
{
IsCanceled = true;
LoadingComplete(ResourceLoadedEventArgs <T> .Canceled(Uri));
}
