public void Recycle()
{
waitingDocumentConfigurator = null;
animationManager.StopAll();
dragPinchManager.Disable();
// Stop tasks
if (RenderingHandler != null)
{
RenderingHandler.Stop();
RenderingHandler.RemoveMessages(RenderingHandler.MsgRenderTask);
}
decodingAsyncTask?.Cancel();
// Clear caches
CacheManager.Recycle();
if (ScrollHandle != null && isScrollHandleInit)
{
ScrollHandle.DestroyLayout();
}
if (PdfFile != null)
{
PdfFile.Dispose();
PdfFile = null;
}
RenderingHandler = null;
ScrollHandle = null;
isScrollHandleInit = false;
CurrentXOffset = CurrentYOffset = 0;
Zoom = 1f;
IsRecycled = true;
Callbacks = new Callbacks();
state = State.Default;
}
private async void Navigator_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
{
try
{
if (args.SelectedItem is NavigationViewItem navigationViewItem)
{
var tag = navigationViewItem.Tag;
if (tag is string typeName)
{
if (!string.IsNullOrEmpty(typeName))
{
if (_pages.TryGetValue(typeName, out Type type))
{
if (type == typeof(PdfViewerPageContent))
{
var file = await PickFile();
if (file != null)
{
if (IsFileOpen(file.Path))
{
Navigator.SelectedItem = null;
return;
}
var token = StorageApplicationPermissions.FutureAccessList.Add(file);
//var tempFile = await CopyFileToDevice(file);
var pdfFileExists = PdfFiles.Find(x => x.FullFilePath == file.Path);
var tempFile = pdfFileExists != null ? await OpenFile(Mapper.Map <PdfFileModel>(pdfFileExists)) : await CopyFileToDevice(file);
if (tempFile != null)
{
if (ContentFrame.Content is PdfViewerPageContent content)
{
PdfFile pdfFile = null;
pdfFile = PdfFiles.Find(x => x.FullFilePath == file.Path);
if (pdfFile == null)
{
pdfFile = new PdfFile()
{
FullFilePath = file.Path, IsFavorite = false, LastTimeOpened = DateTime.Now, FileToken = token
};
}
var pdfFileModel = Mapper.Map <PdfFileModel>(pdfFile);
if (!PdfFiles.Exists(x => x.FullFilePath == pdfFile.FullFilePath))
{
await RemovePdfFileLastUsedAsync();
PdfFiles.Add(pdfFile);
await SaveSettings(PdfFiles);
}
content.LoadPdfViewer(tempFile, pdfFileModel);
}
}
}
Navigator.SelectedItem = null;
}
}
else if (typeName == "FavoriteDialog")
{
await OpenFavoriteFileDialog();
Navigator.SelectedItem = null;
}
else if (typeName == "LastTimeUsedDialog")
{
await OpenLastTimeUsedFilesDialog();
Navigator.SelectedItem = null;
}
}
}
}
}
catch (Exception ex)
{
var dialog = new MessageDialog(ex.Message, "Fehler");
await dialog.ShowAsync();
}
}