internal void Unload()
{
if (_client != null)
{
_client.DeviceLost -= Client_DeviceLost;
_client.MediaPlayer.PlayStateChanged -= PlayStateChanged;
_client.MediaPlayer.PlaylistChanged -= MediaPlayer_PlaylistChanged;
_client.MediaPlayer.ShuffleModeChanged -= MediaPlayer_ShuffleModeChanged;
_client.MediaPlayer.LoopModeChanged -= MediaPlayer_LoopModeChanged;
_client.MediaPlayer.InterruptibleChanged -= MediaPlayer_InterruptibleChanged;
_client.MediaPlayer.EnabledControlsChanged -= MediaPlayer_EnabledControlsChanged;
_client.MediaPlayer.EndOfPlayback -= MediaPlayer_EndOfPlayback;
if (_client.Volume != null)
{
_client.Volume.VolumeChanged -= Volume_VolumeChanged;
_client.Volume.MuteChanged -= Volume_MuteChanged;
_client.Volume.EnabledChanged -= Volume_EnabledChanged;
}
_lastKnownState = null;
_playerInfo = null;
_client = null;
}
}
public MediaPlayerVM(AllPlayClient client)
{
_client = client;
_client.DeviceLost += Client_DeviceLost;
_positionTimer = new Windows.UI.Xaml.DispatcherTimer()
{
Interval = TimeSpan.FromSeconds(1)
};
_positionTimer.Tick += PositionTimer_Tick;
client.MediaPlayer.PlayStateChanged += PlayStateChanged;
client.MediaPlayer.PlaylistChanged += MediaPlayer_PlaylistChanged;
client.MediaPlayer.ShuffleModeChanged += MediaPlayer_ShuffleModeChanged;
client.MediaPlayer.LoopModeChanged += MediaPlayer_LoopModeChanged;
client.MediaPlayer.InterruptibleChanged += MediaPlayer_InterruptibleChanged;
client.MediaPlayer.EnabledControlsChanged += MediaPlayer_EnabledControlsChanged;
client.MediaPlayer.EndOfPlayback += MediaPlayer_EndOfPlayback;
client.MediaPlayer.GetPlayerInfoAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
_playerInfo = state.Result;
}
});
client.MediaPlayer.GetPlayStateAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
UpdateMediaState(state.Result);
}
});
client.MediaPlayer.GetEnabledControlsAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
UpdateEnabledControls(state.Result);
}
});
client.MediaPlayer.GetPlaylistAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
UpdatePlaylist(state.Result);
}
});
client.MediaPlayer.GetLoopModeAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
LoopMode = state.Result;
OnPropertyChanged(nameof(LoopMode));
}
;
});
client.MediaPlayer.GetShuffleModeAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
ShuffleMode = state.Result;
OnPropertyChanged(nameof(ShuffleMode));
}
;
});
client.MediaPlayer.GetInterruptibleAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
IsInterruptible = state.Result;
OnPropertyChanged(nameof(IsInterruptible));
}
;
});
if (client.Volume != null)
{
client.Volume.VolumeChanged += Volume_VolumeChanged;
client.Volume.MuteChanged += Volume_MuteChanged;
client.Volume.EnabledChanged += Volume_EnabledChanged;
client.Volume.GetVolumeAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
Volume = state.Result;
OnPropertyChanged(nameof(Volume));
}
;
});
client.Volume.GetVolumeEnabledAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
Volume_EnabledChanged(client.Volume, state.Result);
}
;
});
client.Volume.GetMuteAsync().ContinueWith((state) =>
{
if (!state.IsFaulted && !state.IsCanceled)
{
Volume_MuteChanged(client.Volume, state.Result);
}
;
});
}
nextCommand = new GenericCommand((o) => { _client.MediaPlayer.NextAsync(); }, (o) => { return(_enabledControls == null ? false : _enabledControls.Next); });
previousCommand = new GenericCommand((o) => { _client.MediaPlayer.PreviousAsync(); }, (o) => { return(_enabledControls == null ? false : _enabledControls.Previous); });
stopCommand = new GenericCommand((o) => { _client.MediaPlayer.StopAsync(); });
resumeCommand = new GenericCommand((o) => { _client.MediaPlayer.ResumeAsync(); });
volumeUpCommand = new GenericCommand((o) => { _client.Volume.AdjustVolumeAsync(2); }, (o) => { return(IsVolumeEnabled); });
volumeDownCommand = new GenericCommand((o) => { _client.Volume.AdjustVolumeAsync(-2); }, (o) => { return(IsVolumeEnabled); });
}