public async Task Hide()
{
((App)(App.Current)).BackRequested -= PhotoPreviewView_BackRequested;
SizeChanged -= PhotoPreviewView_SizeChanged;
ImageRoot.SizeChanged -= ImageRoot_SizeChanged;
IsVisible = false;
var splitChar = _photo.IsLocal ? '\\' : '/';
var filename = (_photo.Uri.Split(splitChar).LastOrDefault()?.Split('.').FirstOrDefault() ?? "");
var saveInkTask = Inker.SaveInkToFile($"ink_{filename}.gif");
var saveThumbnailTask = InkHelpers.RenderImageWithInkToFileAsync(Inker, await _file.OpenReadAsync(), $"thumb_{filename}.jpg");
var closingAnimationTask = Root.Scale(1.2f, 1.2f, (float)ActualWidth / 2, (float)ActualHeight / 2).Fade(0).StartAsync();
await Task.WhenAll(saveInkTask, closingAnimationTask, saveThumbnailTask);
_photo.InkUri = saveInkTask.Result ?? _photo.InkUri;
_photo.ThumbnailUri = saveThumbnailTask.Result ?? _photo.ThumbnailUri;
Root.Visibility = Visibility.Collapsed;
_canvasImage.Dispose();
_canvasImage = null;
_photo = null;
_file = null;
ImageCanvas.Invalidate();
FinishedHiding?.Invoke(this, null);
_tags.Clear();
_knownFaces.Clear();
_facePanels.Clear();
FaceCanvas.Children.Clear();
if (Description != null)
{
Description.Text = "";
}
_effectsGenerator = null;
FiltersButton.IsChecked = false;
DetailsButton.IsChecked = false;
InkButton.IsChecked = false;
Inker.InkPresenter.StrokeContainer.Clear();
_photoInfoInitialized = false;
if (EffectsView != null)
{
EffectsView.Visibility = Visibility.Collapsed;
_effects.Clear();
}
}
private async void TwitterShareClicked(object sender, RoutedEventArgs e)
{
(sender as Button).IsEnabled = false;
ShareButtons.Fade(0, 200).Start();
ShareProgress.IsActive = true;
ShareProgress.Visibility = Visibility.Visible;
var filePath = await InkHelpers.RenderImageWithInkToFileAsync(Inker, await _file.OpenReadAsync(), "temp");
await Identity.Instance.SharePhotoAsync(IdentityProvider.Facebook, await (await StorageFile.GetFileFromPathAsync(filePath)).OpenReadAsync());
ShareFlyout.Hide();
(sender as Button).IsEnabled = true;
}