private void PauseButton_Click(object sender, RoutedEventArgs e)
{
PauseButton.Visibility = Visibility.Collapsed;
PlayButton.Visibility = Visibility.Visible;
PlayingSongMedia.Pause();
isPause = true;
}
private async void SetMediaSource()
{
ProgressSlider.IsEnabled = false;
PlayButton.Visibility = Visibility.Collapsed;
PauseButton.Visibility = Visibility.Visible;
if (PlayingBarVm.CurrentPlayingSong.Url == " ")
{
string content = await httpService.GetJsonStringAsync(APIUrlReference.GetPlayingSongUrl + PlayingBarVm.CurrentPlayingSong.Id);
PlayingSongUrlJsonObject model = jsonSerializer.Deserialize <PlayingSongUrlJsonObject>(new JsonTextReader(new StringReader(content)));
HttpClient httpClient = new HttpClient();
HttpResponseMessage response = await httpClient.GetAsync(new Uri(model.data[0].url));
IBuffer buffer = await response.Content.ReadAsBufferAsync();
StorageFolder localFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = null;
if (localFolder.GetFolderAsync("PlayCache") == null)
{
folder = await localFolder.CreateFolderAsync("PlayCache", CreationCollisionOption.ReplaceExisting);
}
else
{
folder = await localFolder.CreateFolderAsync("PlayCache", CreationCollisionOption.OpenIfExists);
}
string name = getSongName(model.data[0].url);
string type = getSongType(name);
StorageFile file = await folder.CreateFileAsync(name, CreationCollisionOption.ReplaceExisting);
StorageFile storageFile = await folder.GetFileAsync(name);
await FileIO.WriteBufferAsync(storageFile, buffer);//从缓冲写入文件
IRandomAccessStream fileStream = await file.OpenAsync(FileAccessMode.Read);
((PlayingSongForSqlModel)PlayingBarVm.PlayingList[PlayingBarVm.CurIndex]).Url = name;
PlayingBarVm.CurrentPlayingSong.Url = name;
dBService.UpdatePlayList(PlayingBarVm.CurrentPlayingSong.Id, name);
PlayingSongMedia.SetSource(fileStream, file.FileType);
}
else
{
StorageFolder localFolder = ApplicationData.Current.LocalFolder;
StorageFolder folder = await localFolder.CreateFolderAsync("PlayCache", CreationCollisionOption.OpenIfExists);
StorageFile file = await folder.CreateFileAsync(PlayingBarVm.CurrentPlayingSong.Url, CreationCollisionOption.OpenIfExists);
IRandomAccessStream fileStream = await file.OpenAsync(FileAccessMode.Read);
PlayingSongMedia.SetSource(fileStream, file.FileType);
}
UpdateControl();
}
private void PlayButton_Click(object sender, RoutedEventArgs e)
{
PlayButton.Visibility = Visibility.Collapsed;
PauseButton.Visibility = Visibility.Visible;
if (isPause)
{
PlayingSongMedia.Play();
}
else
{
SetMediaSource();
}
}
private void Next_Click(object sender, RoutedEventArgs e)
{
string nextSongId = PlayingBarVm.getNextSongIdAuto();
if (nextSongId != "Done")
{
SetMediaSource();
}
else
{
PlayingSongMedia.Play();
}
PlayButton.Visibility = Visibility.Collapsed;
PauseButton.Visibility = Visibility.Visible;
}
private void PlayingSong_MediaEnded(object sender, RoutedEventArgs e)
{
if (PlayingBarVm.Type == PLAYTYPE.RepeatOne)
{
PlayingSongMedia.Play();
}
else
{
string nextSongId = PlayingBarVm.getNextSongIdAuto();
if (nextSongId != "Done")
{
SetMediaSource();
}
}
}
