public MainWindowViewModel()
{
YouTubeUrlDialogViewModel = new YouTubeUrlDialogViewModel(this);
OpenYouTubeUrlDialogCommand = new OpenYouTubeUrlDialogCommand(this);
PlayerSeekToCommand = new PlayerSeekToCommand(this);
SaveScriptCommand = new SaveScriptCommand();
AddBookmarkCommand = new AddBookmarkCommand(this);
RemoveBookmarkCommand = new RemoveBookmarkCommand(this);
ExecutePapagoCommand = new ExecutePapagoCommand();
CopySubtitleTextToClipboardCommand = new CopySubtitleTextToClipboardCommand();
CopyTimeAndSubtitleTextToClipboardCommand = new CopyTimeAndSubtitleTextToClipboardCommand();
}
public async void OnNavigatedTo(NavigationEventArgs e)
{
IsProgressVisible = true;
_book = e.Parameter as IBook;
if (_book != null)
{
_file = await StorageFile.GetFileFromPathAsync(_book.BookPath);
}
else if (e.Parameter is IStorageFile)
{
_file = (IStorageFile)e.Parameter;
}
else
{
throw new Exception("Invalid parameter.");
}
DjvuDocument document;
try
{
document = await DjvuDocument.LoadAsync(_file);
}
catch
{
if (Debugger.IsAttached)
{
throw;
}
IsProgressVisible = false;
ShowFileOpeningError();
return;
}
CurrentDocument = document;
CurrentPageNumber = _book?.LastOpenedPage ?? 1;
TotalPageNumber = document.PageCount;
if (_book != null)
{
_book.LastOpeningTime = DateTime.Now;
await _book.SaveChangesAsync();
_bookmarks = _book?.Bookmarks;
((INotifyCollectionChanged)_bookmarks).CollectionChanged += Bookmarks_CollectionChanged;
UpdateIsCurrentPageBookmarked();
}
_outline = await document.GetOutlineAsync();
IsProgressVisible = false;
ShowOutlineCommand.RaiseCanExecuteChanged();
AddBookmarkCommand.RaiseCanExecuteChanged();
RemoveBookmarkCommand.RaiseCanExecuteChanged();
ShowBookmarksCommand.RaiseCanExecuteChanged();
var applicationView = ApplicationView.GetForCurrentView();
applicationView.Title = _book?.Title ?? _file.Name;
_dataTransferManager.DataRequested += DataRequestedHandler;
CoreApplication.Suspending += ApplicationSuspendingHandler;
}