internal MediaControlMetadata(IntPtr handle)
{
Debug.Assert(handle != IntPtr.Zero);
Title = Native.GetMetadata(handle, MediaControllerNativeAttribute.Title);
Artist = Native.GetMetadata(handle, MediaControllerNativeAttribute.Artist);
Album = Native.GetMetadata(handle, MediaControllerNativeAttribute.Album);
Author = Native.GetMetadata(handle, MediaControllerNativeAttribute.Author);
Genre = Native.GetMetadata(handle, MediaControllerNativeAttribute.Genre);
Duration = Native.GetMetadata(handle, MediaControllerNativeAttribute.Duration);
Date = Native.GetMetadata(handle, MediaControllerNativeAttribute.Date);
Copyright = Native.GetMetadata(handle, MediaControllerNativeAttribute.Copyright);
Description = Native.GetMetadata(handle, MediaControllerNativeAttribute.Description);
TrackNumber = Native.GetMetadata(handle, MediaControllerNativeAttribute.TrackNumber);
AlbumArtPath = Native.GetMetadata(handle, MediaControllerNativeAttribute.Picture);
EncodedSeason = Native.GetMetadata(handle, MediaControllerNativeAttribute.Season);
Season = DecodeSeason(EncodedSeason);
EncodedEpisode = Native.GetMetadata(handle, MediaControllerNativeAttribute.Episode);
Episode = DecodeEpisode(EncodedEpisode);
EncodedResolution = Native.GetMetadata(handle, MediaControllerNativeAttribute.Resolution);
Resolution = DecodeResolution(EncodedResolution);
}
internal MediaControlMetadata(IntPtr handle)
{
// If native framework return null handle,
// it means server doesn't set metadata yet and it's not error.
// So we need to return empty metadata instance as native framework does.
if (handle == IntPtr.Zero)
{
return;
}
Title = Native.GetMetadata(handle, MediaControllerNativeAttribute.Title);
Artist = Native.GetMetadata(handle, MediaControllerNativeAttribute.Artist);
Album = Native.GetMetadata(handle, MediaControllerNativeAttribute.Album);
Author = Native.GetMetadata(handle, MediaControllerNativeAttribute.Author);
Genre = Native.GetMetadata(handle, MediaControllerNativeAttribute.Genre);
Duration = Native.GetMetadata(handle, MediaControllerNativeAttribute.Duration);
Date = Native.GetMetadata(handle, MediaControllerNativeAttribute.Date);
Copyright = Native.GetMetadata(handle, MediaControllerNativeAttribute.Copyright);
Description = Native.GetMetadata(handle, MediaControllerNativeAttribute.Description);
TrackNumber = Native.GetMetadata(handle, MediaControllerNativeAttribute.TrackNumber);
AlbumArtPath = Native.GetMetadata(handle, MediaControllerNativeAttribute.Picture);
EncodedSeason = Native.GetMetadata(handle, MediaControllerNativeAttribute.Season);
EncodedEpisode = Native.GetMetadata(handle, MediaControllerNativeAttribute.Episode);
EncodedResolution = Native.GetMetadata(handle, MediaControllerNativeAttribute.Resolution);
}
// Gets the playlist handle by name.
internal static IntPtr GetPlaylistHandle(string name)
{
NativePlaylist.GetPlaylistHandle(_serverName, name, out IntPtr playlistHandle).
ThrowIfError("Failed to get playlist handle by name");
return(playlistHandle);
}
/// <summary>
/// Returns the all playlists.
/// </summary>
/// <returns>The set of <see cref="MediaControlPlaylist"/>.</returns>
/// <exception cref="InvalidOperationException">
/// The server has already been stopped.<br/>
/// -or-<br/>
/// An internal error occurs.
/// </exception>
/// <exception cref="ObjectDisposedException">The <see cref="MediaControllerManager"/> has already been disposed.</exception>
/// <since_tizen> 5 </since_tizen>
public IEnumerable <MediaControlPlaylist> GetPlaylists()
{
ThrowIfStopped();
var playlists = new List <MediaControlPlaylist>();
Exception caught = null;
NativePlaylist.PlaylistCallback playlistCallback = (handle, _) =>
{
try
{
playlists.Add(new MediaControlPlaylist(handle));
return(true);
}
catch (Exception e)
{
caught = e;
return(false);
}
};
NativePlaylist.ForeachPlaylist(ServerAppId, playlistCallback, IntPtr.Zero).
ThrowIfError("Failed to get playlist.");
if (caught != null)
{
throw caught;
}
return(playlists.AsReadOnly());
}
private void AddItemToPlaylist(string index, MediaControlMetadata metadata)
{
void AddMetadataToNative(string idx, MediaControllerNativeAttribute attribute, string value)
{
// This API doesn't save playlist to the storage. So we need to call MediaControlServer.SavePlaylist()
// after all items are updated.
NativePlaylist.UpdatePlaylist(Handle, idx, attribute, value)
.ThrowIfError("Failed to update playlist");
}
AddMetadataToNative(index, MediaControllerNativeAttribute.Album, metadata.Album);
AddMetadataToNative(index, MediaControllerNativeAttribute.Artist, metadata.Artist);
AddMetadataToNative(index, MediaControllerNativeAttribute.Author, metadata.Author);
AddMetadataToNative(index, MediaControllerNativeAttribute.Copyright, metadata.Copyright);
AddMetadataToNative(index, MediaControllerNativeAttribute.Date, metadata.Date);
AddMetadataToNative(index, MediaControllerNativeAttribute.Description, metadata.Description);
AddMetadataToNative(index, MediaControllerNativeAttribute.Duration, metadata.Duration);
AddMetadataToNative(index, MediaControllerNativeAttribute.Genre, metadata.Genre);
AddMetadataToNative(index, MediaControllerNativeAttribute.Picture, metadata.AlbumArtPath);
AddMetadataToNative(index, MediaControllerNativeAttribute.Title, metadata.Title);
AddMetadataToNative(index, MediaControllerNativeAttribute.TrackNumber, metadata.TrackNumber);
AddMetadataToNative(index, MediaControllerNativeAttribute.Season, metadata.EncodedSeason);
AddMetadataToNative(index, MediaControllerNativeAttribute.Episode, metadata.EncodedEpisode);
AddMetadataToNative(index, MediaControllerNativeAttribute.Resolution, metadata.EncodedResolution);
}
/// <summary>
/// Update the playlist by lastest info.
/// </summary>
/// <since_tizen> 5 </since_tizen>
public void Update()
{
// Update the name of playlist.
Name = NativePlaylist.GetPlaylistName(Handle);
// Update metadata.
UpdateMetadata(Handle);
}
private void RegisterMetadataUpdatedEvent()
{
_metadataUpdatedCallback = (serverName, metadata, _) =>
{
GetController(serverName)?.RaiseMetadataUpdatedEvent(metadata);
};
NativePlaylist.SetMetadataUpdatedCb(Handle, _metadataUpdatedCallback).ThrowIfError("Failed to init MetadataUpdated event.");
}
private void RegisterPlaylistUpdatedEvent()
{
_playlistUpdatedCallback = (serverName, playlistMode, name, playlistHandle, _) =>
{
GetController(serverName)?.RaisePlaylistUpdatedEvent(playlistMode, name, playlistHandle);
};
NativePlaylist.SetPlaylistModeUpdatedCb(Handle, _playlistUpdatedCallback).
ThrowIfError("Failed to register PlaylistUpdated event.");
}
private void UpdateMetadata(IntPtr handle)
{
NativePlaylist.PlaylistItemCallback playlistItemCallback = (index, metadataHandle, _) =>
{
_metadata.Add(index, new MediaControlMetadata(metadataHandle));
return(true);
};
NativePlaylist.ForeachPlaylistItem(handle, playlistItemCallback, IntPtr.Zero).
ThrowIfError("Failed to retrieve playlist item.");
}
/// <summary>
/// Initializes a new instance of the <see cref="MediaControlPlaylist"/> class with the playlist handle that created already.
/// </summary>
/// <param name="handle">The handle of playlist.</param>
internal MediaControlPlaylist(IntPtr handle)
{
if (handle == IntPtr.Zero)
{
throw new ArgumentNullException(nameof(handle));
}
// handle will be destroyed in Native FW side.
Name = NativePlaylist.GetPlaylistName(handle);
UpdateMetadata(handle);
}
/// <summary>
/// Initializes a new instance of the <see cref="MediaControlPlaylist"/> class.
/// </summary>
/// <param name="name">The name of this playlist.</param>
/// <exception cref="InvalidOperationException">An internal error occurs.</exception>
/// <since_tizen> 5 </since_tizen>
public MediaControlPlaylist(string name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
NativePlaylist.CreatePlaylist(name, out IntPtr handle).ThrowIfError("Failed to create playlist");
Name = name;
_handle = handle;
MediaControlServer.SavePlaylist(handle);
}
/// <summary>
/// Returns the all playlists.
/// </summary>
/// <returns>The set of <see cref="MediaControlPlaylist"/>.</returns>
/// <exception cref="InvalidOperationException">
/// The server has already been stopped.<br/>
/// -or-<br/>
/// An internal error occurs.
/// </exception>
/// <exception cref="ObjectDisposedException">The <see cref="MediaControllerManager"/> has already been disposed of.</exception>
/// <since_tizen> 5 </since_tizen>
public IEnumerable <MediaControlPlaylist> GetPlaylists()
{
ThrowIfStopped();
var playlists = new List <MediaControlPlaylist>();
NativePlaylist.PlaylistCallback playlistCallback = (handle, _) =>
{
playlists.Add(new MediaControlPlaylist(handle));
};
NativePlaylist.ForeachServerPlaylist(Manager.Handle, ServerAppId, playlistCallback, IntPtr.Zero)
.ThrowIfError("Failed to get playlist.");
return(playlists.AsReadOnly());
}
internal MediaControlMetadata(IntPtr handle)
{
Debug.Assert(handle != IntPtr.Zero);
Title = Native.GetMetadata(handle, MediaControllerNativeAttribute.Title);
Artist = Native.GetMetadata(handle, MediaControllerNativeAttribute.Artist);
Album = Native.GetMetadata(handle, MediaControllerNativeAttribute.Album);
Author = Native.GetMetadata(handle, MediaControllerNativeAttribute.Author);
Genre = Native.GetMetadata(handle, MediaControllerNativeAttribute.Genre);
Duration = Native.GetMetadata(handle, MediaControllerNativeAttribute.Duration);
Date = Native.GetMetadata(handle, MediaControllerNativeAttribute.Date);
Copyright = Native.GetMetadata(handle, MediaControllerNativeAttribute.Copyright);
Description = Native.GetMetadata(handle, MediaControllerNativeAttribute.Description);
TrackNumber = Native.GetMetadata(handle, MediaControllerNativeAttribute.TrackNumber);
AlbumArtPath = Native.GetMetadata(handle, MediaControllerNativeAttribute.Picture);
}
/// <summary>
/// Returns the index of current playing media.
/// </summary>
/// <returns>The index of current playing media.</returns>
/// <exception cref="InvalidOperationException">
/// The server has already been stopped.<br/>
/// -or-<br/>
/// An internal error occurs.
/// </exception>
/// <exception cref="ObjectDisposedException">The <see cref="MediaControllerManager"/> has already been disposed.</exception>
/// <since_tizen> 5 </since_tizen>
public string GetIndexOfCurrentPlayingMedia()
{
ThrowIfStopped();
IntPtr playbackHandle = IntPtr.Zero;
try
{
Native.GetServerPlaybackHandle(Manager.Handle, ServerAppId, out playbackHandle).ThrowIfError("Failed to get playback.");
var(name, index) = NativePlaylist.GetPlaylistInfo(playbackHandle);
return(index);
}
finally
{
if (playbackHandle != IntPtr.Zero)
{
Native.DestroyPlayback(playbackHandle).ThrowIfError("Failed to destroy playback handle.");
}
}
}
/// <summary>
/// Returns the metadata set by the server.
/// </summary>
/// <returns>The metadata.</returns>
/// <exception cref="InvalidOperationException">
/// The server has already been stopped.<br/>
/// -or-<br/>
/// An internal error occurs.
/// </exception>
/// <exception cref="ObjectDisposedException">The <see cref="MediaControllerManager"/> has already been disposed.</exception>
/// <seealso cref="MediaControlServer.SetMetadata(MediaControlMetadata)"/>
/// <since_tizen> 4 </since_tizen>
public MediaControlMetadata GetMetadata()
{
ThrowIfStopped();
IntPtr metadataHandle = IntPtr.Zero;
try
{
NativePlaylist.GetServerMetadata(Manager.Handle, ServerAppId, out metadataHandle).
ThrowIfError("Failed to get metadata.");
return(new MediaControlMetadata(metadataHandle));
}
finally
{
if (metadataHandle != IntPtr.Zero)
{
NativePlaylist.DestroyMetadata(metadataHandle);
}
}
}
/// <summary>
/// Returns the playlist name of current playing media.
/// </summary>
/// <returns>The playlist name.</returns>
/// <exception cref="InvalidOperationException">
/// The server has already been stopped.<br/>
/// -or-<br/>
/// An internal error occurs.
/// </exception>
/// <exception cref="ObjectDisposedException">The <see cref="MediaControllerManager"/> has already been disposed.</exception>
/// <since_tizen> 5 </since_tizen>
public MediaControlPlaylist GetPlaylistOfCurrentPlayingMedia()
{
ThrowIfStopped();
IntPtr playbackHandle = IntPtr.Zero;
// Get the playlist name of current playing media.
try
{
Native.GetServerPlaybackHandle(Manager.Handle, ServerAppId, out playbackHandle).ThrowIfError("Failed to get playback.");
var(name, index) = NativePlaylist.GetPlaylistInfo(playbackHandle);
return(GetPlaylists().FirstOrDefault(playlist => playlist.Name == name));
}
finally
{
if (playbackHandle != IntPtr.Zero)
{
Native.DestroyPlayback(playbackHandle).ThrowIfError("Failed to destroy playback handle.");
}
}
}
internal void Destroy()
{
NativePlaylist.DestroyPlaylist(Handle).ThrowIfError("Failed to delete playlist");
}
