public async Task LoadFolderAsync(string path, ThumbnailFetchOptions thumbnailOptions = default)
{
if (thumbnailOptions == default)
{
this.thumbnailOptions = new ThumbnailFetchOptions();
}
else
{
this.thumbnailOptions = thumbnailOptions;
}
s.Restart();
browseCts?.Cancel(); //Cancel previously scheduled browse
browseCts = new CancellationTokenSource(); //Create new cancel token for this request
deepSearchRunning = false; //Current load might be a deep search so stop it
folderQueryOptions.FolderDepth = FolderDepth.Shallow;
fileQueryOptions.FolderDepth = FolderDepth.Shallow;
if (currentPath == path)
{
await ReloadFolderAsync(path, browseCts.Token);
}
else
{
await SwitchFolderAsync(path, browseCts.Token);
}
}
public async Task LoadFolderDeepAsync(string path, ThumbnailFetchOptions thumbnailOptions = default)
{
if (thumbnailOptions == default)
{
this.thumbnailOptions = new ThumbnailFetchOptions();
}
else
{
this.thumbnailOptions = thumbnailOptions;
}
s.Restart();
browseCts?.Cancel(); //Cancel previously scheduled browse
browseCts = new CancellationTokenSource(); //Create new cancel token for this request
folderQueryOptions.FolderDepth = FolderDepth.Deep; //Request any subfolders
fileQueryOptions.FolderDepth = FolderDepth.Deep; //Request any files in subfolders
deepSearchRunning = true;
if (currentPath == path)
{
await ReloadFolderAsync(path, browseCts.Token);
}
else
{
await SwitchFolderAsync(path, browseCts.Token);
}
}
public async Task RefetchThumbnails(ThumbnailFetchOptions thumbnailOptions = default)
{
this.thumbnailOptions = thumbnailOptions;
for (int i = 0; i < files.Count; i++)
{
if (browseCts.Token.IsCancellationRequested)
{
break;
}
var ti = await files[i].GetThumbnailAsync(thumbnailOptions.Mode, thumbnailOptions.Size, thumbnailOptions.Scale);
if (ti != null)
{
try
{
await ViewItems[folderCount + i].Image.SetSourceAsync(ti.CloneStream());
}
catch (Exception) { /*Supress Task canceled exception*/ }
}
}
}
public async void LoadFolder(FileSystemElement fse, ThumbnailFetchOptions thumbnailOptions)
{
await retrieveService.LoadFolderAsync(fse.Path, thumbnailOptions);
}
public async void RefetchThumbnails(ThumbnailFetchOptions thumbnailOptions)
{
await retrieveService.RefetchThumbnails(thumbnailOptions);
}
