public void UpdateItem(IGalleryDelegate delegato, GalleryContent item)
{
_delegate = delegato;
_item = item;
Tag = item;
Panel.Background = null;
Texture.Source = null;
ScrollingHost.ChangeView(0, 0, 1, true);
if (item == null)
{
return;
}
var data = item.GetFile();
var thumb = item.GetThumbnail();
Panel.Constraint = item.Constraint;
Panel.InvalidateMeasure();
if (thumb != null && (item.IsVideo || (item.IsPhoto && !data.Local.IsDownloadingCompleted)))
{
UpdateThumbnail(item, thumb);
}
UpdateFile(item, data);
}
public void UpdateFile(GalleryContent item, File file)
{
var data = item.GetFile();
var thumb = item.GetThumbnail();
if (thumb != null && thumb.Id != data.Id && thumb.Id == file.Id)
{
UpdateThumbnail(item, file);
return;
}
else if (data == null || data.Id != file.Id)
{
return;
}
var size = Math.Max(file.Size, file.ExpectedSize);
if (file.Local.IsDownloadingActive)
{
//Button.Glyph = Icons.Cancel;
Button.SetGlyph(file.Id, MessageContentState.Downloading);
Button.Progress = (double)file.Local.DownloadedSize / size;
Button.Opacity = 1;
}
else if (file.Remote.IsUploadingActive)
{
Button.Glyph = Icons.Cancel;
Button.SetGlyph(file.Id, MessageContentState.Uploading);
Button.Progress = (double)file.Remote.UploadedSize / size;
Button.Opacity = 1;
}
else if (file.Local.CanBeDownloaded && !file.Local.IsDownloadingCompleted)
{
Button.Glyph = Icons.Download;
Button.SetGlyph(file.Id, MessageContentState.Download);
Button.Progress = 0;
Button.Opacity = 1;
if (item.IsPhoto)
{
item.ProtoService.DownloadFile(file.Id, 1);
}
}
else
{
if (item.IsVideo)
{
Button.Glyph = Icons.Play;
Button.SetGlyph(file.Id, MessageContentState.Play);
Button.Progress = 1;
Button.Opacity = 1;
}
else if (item.IsPhoto)
{
Button.SetGlyph(file.Id, MessageContentState.Photo);
Button.Opacity = 0;
Texture.Source = new BitmapImage(new Uri("file:///" + file.Local.Path));
}
}
}
public void UpdateItem(IGalleryDelegate delegato, GalleryContent item)
{
_delegate = delegato;
_item = item;
Tag = item;
Panel.Background = null;
Texture.Source = null;
ScrollingHost.ChangeView(0, 0, 1, true);
if (item == null)
{
return;
}
var file = item.GetFile();
var thumbnail = item.GetThumbnail();
Panel.Constraint = item.Constraint;
Panel.InvalidateMeasure();
UpdateManager.Subscribe(this, delegato.ProtoService, file, ref _fileToken, UpdateFile);
UpdateFile(item, file);
if (thumbnail != null && (item.IsVideo || (item.IsPhoto && !file.Local.IsFileExisting())))
{
UpdateThumbnail(item, thumbnail, true);
}
}
private async void Play(Grid parent, GalleryContent item, File file)
{
try
{
if (!file.Local.IsDownloadingCompleted && !SettingsService.Current.IsStreamingEnabled)
{
return;
}
if (_surface != null && _mediaPlayerElement != null)
{
_surface.Children.Remove(_mediaPlayerElement);
_surface = null;
}
if (_mediaPlayer == null)
{
_mediaPlayer = Task.Run(() => new MediaPlayer()).Result;
_mediaPlayer.VolumeChanged += OnVolumeChanged;
_mediaPlayer.SourceChanged += OnSourceChanged;
_mediaPlayer.MediaOpened += OnMediaOpened;
_mediaPlayer.PlaybackSession.PlaybackStateChanged += OnPlaybackStateChanged;
_mediaPlayerElement.SetMediaPlayer(_mediaPlayer);
}
var dpi = DisplayInformation.GetForCurrentView().LogicalDpi / 96.0f;
_mediaPlayer.SetSurfaceSize(new Size(parent.ActualWidth * dpi, parent.ActualHeight * dpi));
_surface = parent;
_surface.Children.Add(_mediaPlayerElement);
if (ApiInformation.IsPropertyPresent("Windows.UI.Xaml.Controls.MediaTransportControls", "ShowAndHideAutomatically"))
{
Transport.ShowAndHideAutomatically = true;
}
Transport.DownloadMaximum = file.Size;
Transport.DownloadValue = file.Local.DownloadOffset + file.Local.DownloadedPrefixSize;
var streamable = SettingsService.Current.IsStreamingEnabled && item.IsStreamable && !file.Local.IsDownloadingCompleted;
if (streamable)
{
_streamingInterop = new FFmpegInteropMSS(new FFmpegInteropConfig());
var interop = await _streamingInterop.CreateFromFileAsync(ViewModel.ProtoService.Client, file);
_mediaPlayer.Source = interop.CreateMediaPlaybackItem();
Transport.DownloadMaximum = file.Size;
Transport.DownloadValue = file.Local.DownloadOffset + file.Local.DownloadedPrefixSize;
}
else
{
_mediaPlayer.Source = MediaSource.CreateFromUri(new Uri("file:///" + file.Local.Path));
}
_mediaPlayer.IsLoopingEnabled = item.IsLoop;
_mediaPlayer.Play();
}
catch { }
}
protected override void OnSelectedItemChanged(GalleryContent item)
{
//var messageItem = item as GalleryLegacyMessageItem;
//if (messageItem == null)
//{
// return;
//}
//var message = messageItem.Message as TLMessage;
//if (message == null)
//{
// return;
//}
//if (message.GroupedId is long group)
//{
// var all = Items.Where(x => x is GalleryLegacyMessageItem msg && msg.Message.GroupedId == group).ToList();
// if (all.Count == _group.Count && group == _current)
// {
// return;
// }
// _current = group;
// _group.ReplaceWith(all);
// RaisePropertyChanged(() => SelectedItem);
//}
//else
//{
// _group.Clear();
//}
}
private void Play(Grid parent, GalleryContent item, File file)
{
try
{
if (!file.Local.IsDownloadingCompleted && !SettingsService.Current.IsStreamingEnabled)
{
return;
}
if (_surface != null && _mediaPlayerElement != null)
{
_surface.Children.Remove(_mediaPlayerElement);
_surface = null;
}
if (_mediaPlayer == null)
{
_mediaPlayer = Task.Run(() => new MediaPlayer()).Result;
_mediaPlayer.VolumeChanged += OnVolumeChanged;
_mediaPlayer.SourceChanged += OnSourceChanged;
_mediaPlayer.MediaOpened += OnMediaOpened;
_mediaPlayer.PlaybackSession.PlaybackStateChanged += OnPlaybackStateChanged;
_mediaPlayerElement.SetMediaPlayer(_mediaPlayer);
}
var dpi = DisplayInformation.GetForCurrentView().LogicalDpi / 96.0f;
_mediaPlayer.SetSurfaceSize(new Size(parent.ActualWidth * dpi, parent.ActualHeight * dpi));
_surface = parent;
_surface.Children.Add(_mediaPlayerElement);
if (ApiInfo.IsUniversalApiContract5Present) //if (ApiInformation.IsPropertyPresent("Windows.UI.Xaml.Controls.MediaTransportControls", "ShowAndHideAutomatically"))
{
Transport.ShowAndHideAutomatically = true;
}
Transport.DownloadMaximum = file.Size;
Transport.DownloadValue = file.Local.DownloadOffset + file.Local.DownloadedPrefixSize;
var streamable = SettingsService.Current.IsStreamingEnabled && item.IsStreamable /*&& !file.Local.IsDownloadingCompleted*/;
if (streamable)
{
_streamingInterop = new RemoteFileStream(item.ProtoService, file, TimeSpan.FromSeconds(item.Duration));
_mediaPlayer.Source = MediaSource.CreateFromStream(_streamingInterop, item.MimeType);
Transport.DownloadMaximum = file.Size;
Transport.DownloadValue = file.Local.DownloadOffset + file.Local.DownloadedPrefixSize;
}
else
{
_mediaPlayer.Source = MediaSource.CreateFromUri(UriEx.GetLocal(file.Local.Path));
}
_mediaPlayer.IsLoopingEnabled = item.IsLoop;
_mediaPlayer.Play();
}
catch { }
}
private void Play(Grid parent, GalleryContent item, File file)
{
if (_unloaded)
{
return;
}
try
{
if (!file.Local.IsDownloadingCompleted && !SettingsService.Current.IsStreamingEnabled)
{
return;
}
if (_surface != null && _mediaPlayerElement != null)
{
_surface.Children.Remove(_mediaPlayerElement);
_surface = null;
}
if (_mediaPlayer == null)
{
_mediaPlayer = Task.Run(() => new MediaPlayer()).Result;
_mediaPlayer.VolumeChanged += OnVolumeChanged;
_mediaPlayer.SourceChanged += OnSourceChanged;
_mediaPlayer.MediaOpened += OnMediaOpened;
_mediaPlayer.PlaybackSession.PlaybackStateChanged += OnPlaybackStateChanged;
_mediaPlayerElement.SetMediaPlayer(_mediaPlayer);
}
var dpi = DisplayInformation.GetForCurrentView().LogicalDpi / 96.0f;
_mediaPlayer.SetSurfaceSize(new Size(parent.ActualWidth * dpi, parent.ActualHeight * dpi));
_surface = parent;
_surface.Children.Add(_mediaPlayerElement);
//Transport.DownloadMaximum = file.Size;
//Transport.DownloadValue = file.Local.DownloadOffset + file.Local.DownloadedPrefixSize;
var streamable = SettingsService.Current.IsStreamingEnabled && item.IsStreamable /*&& !file.Local.IsDownloadingCompleted*/;
if (streamable)
{
_fileStream = new RemoteFileStream(item.ProtoService, file, item.Duration);
_mediaPlayer.Source = MediaSource.CreateFromStream(_fileStream, item.MimeType);
//Transport.DownloadMaximum = file.Size;
//Transport.DownloadValue = file.Local.DownloadOffset + file.Local.DownloadedPrefixSize;
}
else
{
_mediaPlayer.Source = MediaSource.CreateFromUri(UriEx.ToLocal(file.Local.Path));
}
_mediaPlayer.IsLoopingEnabled = item.IsLoop;
_mediaPlayer.Play();
}
catch { }
}
public SingleGalleryViewModel(IProtoService protoService, IEventAggregator aggregator, GalleryContent item)
: base(protoService, aggregator)
{
Items = new MvxObservableCollection <GalleryContent> {
item
};
SelectedItem = item;
FirstItem = item;
}
public static bool LaunchGallery(GalleryContent contentType, string callback)
{
if (Application.platform == RuntimePlatform.Android)
{
return(_plugin.CallStatic <bool> ("LaunchGallery", (int)contentType, callback));
}
return(false);
}
private bool TrySet(GalleryContentView element, GalleryContent content)
{
if (object.Equals(element.Item, content))
{
return(false);
}
element.UpdateItem(this, content);
return(true);
}
public void OpenItem(GalleryContent item)
{
if (Transport.IsVisible)
{
Transport.Hide();
}
else
{
Transport.Show();
}
}
private Visibility ConvertCompactVisibility(GalleryContent item)
{
if (item != null && item.IsVideo && !item.IsLoop)
{
if (item is GalleryMessage message && message.IsHot)
{
return(Visibility.Collapsed);
}
return(ApplicationView.GetForCurrentView().IsViewModeSupported(ApplicationViewMode.CompactOverlay) ? Visibility.Visible : Visibility.Collapsed);
}
return(Visibility.Collapsed);
}
private void UpdateThumbnail(GalleryContent item, File file)
{
if (file.Local.IsDownloadingCompleted)
{
//Texture.Source = new BitmapImage(new Uri("file:///" + file.Local.Path));
Panel.Background = new ImageBrush {
ImageSource = PlaceholderHelper.GetBlurred(file.Local.Path), Stretch = Stretch.UniformToFill
};
}
else if (file.Local.CanBeDownloaded && !file.Local.IsDownloadingActive)
{
item.ProtoService.DownloadFile(file.Id, 1);
}
}
private void PrepareNext(int direction)
{
if (ViewModel == null)
{
return;
}
GalleryContent previous = null;
GalleryContent target = null;
GalleryContent next = null;
if (Grid.GetColumn(Element1) == direction + 1)
{
previous = Element0;
target = Element1;
next = Element2;
}
else if (Grid.GetColumn(Element0) == direction + 1)
{
previous = Element2;
target = Element0;
next = Element1;
}
else if (Grid.GetColumn(Element2) == direction + 1)
{
previous = Element1;
target = Element2;
next = Element0;
}
Grid.SetColumn(target, 1);
Grid.SetColumn(previous, 0);
Grid.SetColumn(next, 2);
var index = ViewModel.SelectedIndex;
var set = TrySet(target, ViewModel.Items[index]);
TrySet(previous, ViewModel.SelectedIndex > 0 ? ViewModel.Items[index - 1] : null);
TrySet(next, ViewModel.SelectedIndex < ViewModel.Items.Count - 1 ? ViewModel.Items[index + 1] : null);
if (set)
{
Dispose();
ViewModel.OpenMessage(ViewModel.Items[index]);
}
//_selecting = false;
}
private void Play(GalleryContent item, File file)
{
try
{
if (_surface != null && _mediaPlayerElement != null)
{
_surface.Children.Remove(_mediaPlayerElement);
}
var container = GetContainer(0);
//if (container != null && container.ContentTemplateRoot is Grid parent)
//{
// Play(parent, item);
//}
Play(container.Presenter, item, file);
}
catch { }
}
private void UpdateThumbnail(GalleryContent item, File file, bool download)
{
if (file.Local.IsFileExisting())
{
//Texture.Source = new BitmapImage(UriEx.GetLocal(file.Local.Path));
Panel.Background = new ImageBrush {
ImageSource = PlaceholderHelper.GetBlurred(file.Local.Path), Stretch = Stretch.UniformToFill
};
}
else if (download)
{
if (file.Local.CanBeDownloaded && !file.Local.IsDownloadingActive)
{
item.ProtoService.DownloadFile(file.Id, 1);
}
UpdateManager.Subscribe(this, _delegate.ProtoService, file, ref _thumbnailToken, UpdateThumbnail, true);
}
}
public void OpenFile(GalleryContent item, File file)
{
Play(item, file);
}
private async void UpdateFile(GalleryContent item, File file)
{
var reference = item?.GetFile();
if (reference == null || reference.Id != file.Id)
{
return;
}
var size = Math.Max(file.Size, file.ExpectedSize);
if (file.Local.IsDownloadingActive)
{
Button.SetGlyph(file.Id, MessageContentState.Downloading);
Button.Progress = (double)file.Local.DownloadedSize / size;
Button.Opacity = 1;
}
else if (file.Remote.IsUploadingActive)
{
Button.SetGlyph(file.Id, MessageContentState.Uploading);
Button.Progress = (double)file.Remote.UploadedSize / size;
Button.Opacity = 1;
}
else if (file.Local.CanBeDownloaded && !file.Local.IsFileExisting())
{
Button.SetGlyph(file.Id, MessageContentState.Download);
Button.Progress = 0;
Button.Opacity = 1;
if (item.IsPhoto)
{
item.ProtoService.DownloadFile(file.Id, 1);
}
}
else
{
if (item.IsVideo)
{
Button.SetGlyph(file.Id, MessageContentState.Play);
Button.Progress = 1;
Button.Opacity = 1;
}
else if (item.IsPhoto)
{
Button.SetGlyph(file.Id, MessageContentState.Photo);
Button.Opacity = 0;
try
{
BitmapImage image;
Texture.Source = image = new BitmapImage(); // (UriEx.GetLocal(file.Local.Path));
var test = await item.ProtoService.GetFileAsync(file);
using (var stream = await test.OpenReadAsync())
{
await image.SetSourceAsync(stream);
}
Texture.Source = image;
}
catch
{
Texture.Source = null;
}
}
}
}
public void OpenItem(GalleryContent item)
{
OnBackRequested(new HandledEventArgs());
}
