public MainPage()
{
this.InitializeComponent();
this.NavigationCacheMode = Windows.UI.Xaml.Navigation.NavigationCacheMode.Enabled;
graphGlobal = new AudioGraphGlobal();
graphGlobal.Playlist = new ObservableCollection <Song>();
prev_id = -1;
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
backButton.IsEnabled = this.Frame.CanGoBack;
if (e.NavigationMode == NavigationMode.New)
{
graphGlobal = (AudioGraphGlobal)e.Parameter;
if (graphGlobal.Playlist.Count > 0)
{
if (graphGlobal.id != 0)
{
Initilize_AudioGraph(graphGlobal.Playlist[graphGlobal.id - 1].storageFile);
}
}
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
backButton.IsEnabled = this.Frame.CanGoBack;
switch (e.NavigationMode)
{
case NavigationMode.New:
if (e.Parameter != null && !(e.Parameter is ""))
{
if (lyricList != null)
{
lyricList.Clear();
}
graphGlobal = (AudioGraphGlobal)e.Parameter;
if (graphGlobal.Playlist.Count > 0)
{
if (graphGlobal.id != 0)
{
//await graphGlobal.InitilizeAudioGraph(graphGlobal.Playlist[graphGlobal.id - 1].storageFile);
var storageFile = graphGlobal.fileInputNode.SourceFile;
Task.Run(() => LoadAndProcessLyricFile(
storageFile.Path.Replace(storageFile.Name, "") + storageFile.DisplayName,
new string[] { ".bcc", ".lrc" }));
graphGlobal.ConfigureAudioFrame();
//graphGlobal.fileInputNode.Seek(new TimeSpan(0, 0, 0, 0, (int)graphGlobal.position_ms));
//graphGlobal.fileInputNode.FileCompleted += FileInputNode_FileCompleted;
graphGlobal.audioGraph.QuantumStarted += AudioGraph_QuantumStarted;
graphGlobal.audioGraph.Start();
if (lyricList.Count == 0)
{
lyricMessagePanel.Visibility = Visibility.Visible;
}
else
{
lyricMessagePanel.Visibility = Visibility.Collapsed;
}
}
}
}
break;
}
}