/// <summary>
/// Constructor
/// </summary>
public QueueResponse(Queue queue)
{
if (queue == null) {
this.Items = new List<object>();
}
else {
this.Items = queue.CurrentAndUpcoming.Take(21).Select(i => QueueItemObject(i));
this.PriorityCount = queue.UpcomingPriorityCount;
this.Shuffle = queue.Shuffle;
this.Repeat = Enum.GetName(typeof(RepeatMode), queue.Repeat).ToCamelCase(false);
}
}
Queue BuildBasicQueue()
{
var queue = new Queue();
queue.Push(new DummyQueueItem(1, "First item"));
queue.Push(new DummyQueueItem(2, "Second item"));
queue.Push(new DummyQueueItem(3, "Third item"));
queue.Push(new DummyQueueItem(4, "Fourth item"));
queue.Push(new DummyQueueItem(5, "Fifth item"));
queue.Push(new DummyQueueItem(6, "Sixth item"));
queue.Push(new DummyQueueItem(7, "Seventh item"));
queue.Push(new DummyQueueItem(8, "Eight item"));
queue.Push(new DummyQueueItem(9, "Ninth item"));
queue.Push(new DummyQueueItem(10, "Tenth item"));
return queue;
}
/// <summary>
/// Called when the contents of a queue has changed
/// </summary>
/// <param name="queue">The queue whos contents have changed</param>
void queue_ItemsUpdated(Queue queue)
{
}
/// <summary>
/// Nicely stops a queue and the player it has
/// </summary>
/// <param name="queue">The queue to stop</param>
void StopQueue(Queue queue)
{
StopPlayer(queue.CurrentPlayer);
queue.CurrentPlayer = null;
queue.IndexChanged -= queue_IndexChanged;
queue.ItemsUpdated -= queue_ItemsUpdated;
queue.Finished -= queue_Finished;
queue.Dispose();
}
/// <summary>
/// Called when a queue is done
/// </summary>
/// <param name="queue">The corresponding queue</param>
void queue_Finished(Queue queue)
{
StopQueue(queue);
}
/// <summary>
/// Called when the index of the current queue is changed. Starts playing the next track
/// </summary>
/// <param name="queue">The queue whos index has changed</param>
/// <param name="previous">The previous item that was played</param>
/// <param name="current">The item that is about the be played</param>
void queue_IndexChanged(Queue queue, IItem previous, IItem current)
{
// If we have a different type to play, start the correct player and stop colliding players
if (previous == null || previous.GetType() != current.GetType()) {
// Get the player for the current item
var newPlayer = GetPlayerForItem(current);
// None found
if (newPlayer == null) {
Log("No player found for item with type " + current.GetType().ToString(), Logger.LogLevel.Error);
StopQueue(queue);
return;
}
// Stop queues and players that collide with the new one
var queues = Queue.Where(q => q != queue).ToList();
foreach (var q in queues) {
if (q.CurrentPlayer is IAudioPlayer && newPlayer is IAudioPlayer)
StopQueue(q);
else if (q.CurrentPlayer is IVisualPlayer && newPlayer is IVisualPlayer)
StopQueue(q);
}
// If we are using an other player, stop the old one and set the necessary callbacks
if (newPlayer != queue.CurrentPlayer) {
StopPlayer(queue.CurrentPlayer);
newPlayer.PlaybackFinished += player_PlaybackFinished;
queue.CurrentPlayer = newPlayer;
}
}
// Play the current item
queue.CurrentPlayer.Play(current);
}
/// <summary>
/// Resume the playback of the current item in the queue
/// </summary>
/// <param name="queue">The queue to apply this action on</param>
public void Play(Queue queue)
{
if (queue.CurrentPlayer != null)
queue.CurrentPlayer.Play();
}
/// <summary>
/// Skip to the next item in the current queue
/// </summary>
/// <param name="queue">The queue to apply this action on</param>
public void Prev(Queue queue)
{
if (queue.IsAtFirstItem)
queue.Index = 0;
else
queue.GoPrev();
}
/// <summary>
/// Pause the playback of the current item in the queue
/// </summary>
/// <param name="queue">The queue to apply this action on</param>
public void Pause(Queue queue)
{
if (queue.CurrentPlayer != null)
queue.CurrentPlayer.Pause();
}
/// <summary>
/// Start playing a set of items
/// </summary>
/// <param name="container">The container in which the items reside</param>
/// <param name="filter">Filter used to get the items from the container</param>
public Queue Play(Container container, Options filter)
{
// Get the plugin for the container
var contentsPlugin = Plugins.GetContentsPluginFor(container);
if (contentsPlugin == null) return null;
// Get the items for this container / filter combination
var items = contentsPlugin.GetItems(container, filter);
// Bail out if no items
if (items.Count() == 0) return null;
// Build queue and queue info object
var queue = new Queue(items, container.ContentType);
// Find existing queue of same type
var existingQueue = Queue.FirstOrDefault(q => q.ContentType == queue.ContentType);
// If we have a similar queue, move repeat and shuffle settings
if (existingQueue != null) {
queue.Repeat = existingQueue.Repeat;
queue.Shuffle = existingQueue.Shuffle;
}
// Set callbacks on queue
queue.IndexChanged += queue_IndexChanged;
queue.ItemsUpdated += queue_ItemsUpdated;
queue.Finished += queue_Finished;
// Save the queue
queue.Save();
// Set index, starting the queue
var id = filter.GetInt("id");
if (id > 0) {
var item = items.FirstOrDefault(i => i.ID == id);
queue.Current = item;
}
else
queue.Index = filter.GetInt("index");
return queue;
}
/// <summary>
/// Skip to the previous item in the current queue
/// </summary>
/// <param name="queue">The queue to apply this action on</param>
public void Next(Queue queue)
{
queue.GoNext();
}
/// <summary>
/// Called when the contents of the current Queue are changed
/// </summary>
void QueueItemsUpdated(Queue queue)
{
BroadcastQueue(queue);
}
/// <summary>
/// Called when the index of the current Queue is changed
/// </summary>
/// <param name="queue"></param>
void QueueIndexChanged(Queue queue)
{
BroadcastQueue(queue);
if (queue.Current != null)
Play(queue.Current.Item);
else {
ClearPlayer();
if (queue == this.Queue)
this.Queue = null;
}
}
void BroadcastQueue(Queue queue)
{
//ThrottledBroadcast(queue, () => {
_server.Broadcast(new QueueResponse(queue));
//});
}
/// <summary>
/// Applies the given queue as the current queue
/// </summary>
/// <param name="queue">The queue to apply</param>
/// <returns>The applied queue</returns>
Queue ApplyQueue(Queue queue)
{
queue.ItemsUpdated += QueueItemsUpdated;
queue.IndexChanged += QueueIndexChanged;
return this.Queue = queue;
}
