public static Guid Register(AsyncCommandQueue queue)
{
if (queue == null)
{
throw new ArgumentNullException("queue");
}
Guid guid = Guid.NewGuid();
lock (sync) {
queues.Add(guid, queue);
}
return(guid);
}
protected virtual void OnTaskCompleted(TaskCompletedEventArgs e)
{
AsyncCommandQueue queue = commandQueue;
EventHandler <TaskCompletedEventArgs> handler = Completed;
if (queue != null)
{
queue.Register(new CommandWrapper(delegate {
if (handler != null)
{
handler(this, e);
}
}));
}
else if (handler != null)
{
ThreadPool.QueueUserWorkItem(delegate {
handler(this, e);
});
}
}
protected TaskGroup(int maxRunningTasks,
TaskCollection <T> tasks,
GroupStatusManager statusManager,
GroupProgressManager <T> progressManager)
{
if (maxRunningTasks < 0)
{
throw new ArgumentException("maxRunningTasks must be >= 0");
}
else if (tasks == null)
{
throw new ArgumentNullException("tasks");
}
sync = tasks.SyncRoot;
currentTasks = new List <T> (maxRunningTasks);
commandQueue = new AsyncCommandQueue();
id = CommandQueueManager.Register(commandQueue);
SetProgressManager(
progressManager ?? new GroupProgressManager <T> ()
);
SetStatusManager(
statusManager ?? new GroupStatusManager()
);
try {
gsm.SuspendUpdate = true;
gsm.RemainingTasks = tasks.Count;
gsm.MaxRunningTasks = maxRunningTasks;
SetTaskCollection(tasks);
} finally {
gsm.SuspendUpdate = false;
gsm.Update();
}
}
protected virtual void OnStatusChanged(TaskStatusChangedInfo tsci)
{
AsyncCommandQueue queue = commandQueue;
EventHandler <TaskStatusChangedEventArgs> handler = StatusChanged;
if (queue != null)
{
queue.Register(new CommandWrapper(delegate {
TaskStatusChangedEventArgs e = new TaskStatusChangedEventArgs(tsci);
if (handler != null)
{
handler(this, e);
}
}));
}
else if (handler != null)
{
ThreadPool.QueueUserWorkItem(delegate {
handler(this, new TaskStatusChangedEventArgs(tsci));
});
}
}
public FeedsManager(HyenaSqliteConnection connection, DownloadManager downloadManager, string podcast_base_dir)
{
// Hack to work around Feeds being needy and having to call all our internal methods, instead
// of us just listening for their events.
Instance = this;
this.connection = connection;
this.podcast_base_dir = podcast_base_dir;
feed_manager = new FeedManager ();
enclosure_manager = new EnclosureManager (downloadManager);
Feed.Init ();
FeedItem.Init ();
FeedEnclosure.Init ();
command_queue = new AsyncCommandQueue ();
}
public void Dispose()
{
if (SetDisposed ()) {
AutoResetEvent disposeHandle = new AutoResetEvent (false);
feed_manager.Dispose (disposeHandle);
enclosure_manager.Dispose (disposeHandle);
if (command_queue != null) {
command_queue.Dispose ();
command_queue = null;
}
disposeHandle.Close ();
}
}
