private async Task GoBackAsync()
{
BackStack.Remove(CurrentItem);
ForwardStack.Add(CurrentItem);
if (BackStack.Count > 0)
{
CurrentItem = BackStack.Last();
}
await ReloadAsync();
}
public override async Task GetFiles()
{
try
{
await DispatchHelper.InvokeInUIThread(CoreDispatcherPriority.Normal, () =>
{
StorageItems.Clear();
IsFolderEmpty = false;
IsLoadingFiles = true;
});
var currentMedia = BackStack.Last().Media;
if (currentMedia == null)
{
return;
}
var mediaList = await Locator.MediaLibrary.DiscoverMediaList(currentMedia);
for (int i = 0; i < mediaList.count(); i++)
{
var media = mediaList.itemAtIndex(i);
IVLCStorageItem storageItem = null;
if (media.type() == MediaType.Directory)
{
storageItem = new VLCStorageFolder(media);
}
else if (media.type() == MediaType.File)
{
storageItem = new VLCStorageFile(media);
}
if (storageItem == null)
{
return;
}
await DispatchHelper.InvokeInUIThread(CoreDispatcherPriority.Normal, () => StorageItems.Add(storageItem));
}
await DispatchHelper.InvokeInUIThread(CoreDispatcherPriority.Low, () =>
{
OnPropertyChanged(nameof(StorageItems));
IsFolderEmpty = !StorageItems.Any();
IsLoadingFiles = false;
});
}
catch (Exception e)
{
Debug.WriteLine($"Exception when getting network files {e.ToString()}");
}
}
public override async Task GetFiles()
{
try
{
await DispatchHelper.InvokeAsync(CoreDispatcherPriority.Normal, () =>
{
StorageItems.Clear();
IsFolderEmpty = false;
IsLoadingFiles = true;
});
IReadOnlyList <IStorageItem> items = null;
var queryOptions = new QueryOptions(CommonFileQuery.DefaultQuery, VLCFileExtensions.Supported);
var fileQuery = (BackStack.Last().StorageItem as StorageFolder).CreateItemQueryWithOptions(queryOptions);
items = await fileQuery.GetItemsAsync();
var vlcItems = new ObservableCollection <IVLCStorageItem>();
foreach (var storageItem in items)
{
if (storageItem.IsOfType(StorageItemTypes.File))
{
var file = new VLCStorageFile(storageItem as StorageFile);
vlcItems.Add(file);
}
else if (storageItem.IsOfType(StorageItemTypes.Folder))
{
var folder = new VLCStorageFolder(storageItem as StorageFolder);
vlcItems.Add(folder);
}
}
await DispatchHelper.InvokeAsync(CoreDispatcherPriority.Low, () =>
{
StorageItems = new ObservableCollection <IVLCStorageItem>(vlcItems);
OnPropertyChanged(nameof(StorageItems));
IsFolderEmpty = !StorageItems.Any();
IsLoadingFiles = false;
});
}
catch (Exception exception)
{
LogHelper.Log("Failed to index folders and files in " + BackStack.Last().Name + "\n" + exception.ToString());
await DispatchHelper.InvokeAsync(CoreDispatcherPriority.Low, () =>
{
IsFolderEmpty = !StorageItems.Any();
IsLoadingFiles = false;
});
}
}
public void GoBack(NavigationTransitionInfo transitionInfoOverride)
{
if (CanGoBack)
{
var entry = BackStack.Last();
if (transitionInfoOverride != null)
{
entry.NavigationTransitionInfo = transitionInfoOverride;
}
else
{
// Fallback to the page forward navigation transition info
entry.NavigationTransitionInfo = CurrentEntry.NavigationTransitionInfo;
}
InnerNavigate(entry, NavigationMode.Back);
}
}
