public static PreLoad Create(Func <CancellationToken, Task <List <Uri> > > urisFunc, Func <Uri, CancellationToken, Task <byte[]> > imgsFunc, int uriCount, int imgCount, int taskCount)
{
var uris = Channel.CreateBounded <Uri>(uriCount);
var imgs = Channel.CreateBounded <byte[]>(imgCount);
var cancelSource = new CancellationTokenSource();
var cancelAction = CreateCencelAction(uris, imgs, cancelSource);
Task.Run(() => GetUrisTask(urisFunc, uris, cancelSource.Token))
.ContinueWith(cancelAction);
AddAllTask(taskCount, () => GetImageTask(imgsFunc, uris, imgs, cancelSource.Token))
.ContinueWith(cancelAction);
var v = new PreLoad();
v.CancelAction = () => cancelAction(Task.CompletedTask);
v.ReadFunc = () => imgs.Reader.ReadAsync(cancelSource.Token);
return(v);
}
public ViewImageListPage(ViewImageListPageInfo info)
{
InitializeComponent();
m_info = info;
var coll = new ObservableCollection <Data>();
m_coll = coll;
m_view.ItemsSource = coll;
m_preLoad = m_info.Start(m_pagesText, coll);
}
