// Delegate Functions :: MainLoopIdle (ThreadBase)
/// <summary>
/// Adds the covers from the queue to their
/// associated albums.
/// </summary>
/// <remarks>
/// This runs from GLib's main loop.
/// </remarks>
/// <returns>
/// True if the loop should continue,
/// False if it should stop.
/// </returns>
protected override bool MainLoopIdle()
{
if (queue.Count == 0)
{
if (thread_done)
{
Global.CoverDB.EmitDoneLoading();
return(false);
}
return(true);
}
LoadedCover lc = (LoadedCover)queue.Dequeue();
lc.Item.CoverImage = lc.Pixbuf;
return(true);
}
// Delegate Functions :: DecodeFunction
// (Database.DecodeFunctionDelegate)
/// <summary>
/// Delegate to decode the data in the database.
/// </summary>
/// <param name="key">
/// The album key.
/// </param>
/// <param name="data">
/// An <see cref="IntPtr" /> to the data.
/// </param>
private void DecodeFunction(string key, IntPtr data)
{
IntPtr p = data;
bool being_checked;
p = Database.UnpackBool(p, out being_checked);
Pixbuf pixbuf = null;
if (!being_checked)
{
IntPtr pix_handle;
p = Database.UnpackPixbuf(p, out pix_handle);
pixbuf = new Pixbuf(pix_handle);
}
if (Global.CoverDB.Covers.Contains(key))
{
if (being_checked)
{
return;
}
// stored covers take priority
Global.CoverDB.Covers.Remove(key);
}
// Add independent of whether item is null or not,
// this way manually set covers will stay for
// removable devices.
if (!being_checked)
{
Global.CoverDB.Covers.Add(key, pixbuf);
}
Item item = Global.DB.GetAlbum(key);
if (item == null)
{
item = Global.DB.GetSong(key);
}
if (item != null)
{
if (being_checked)
{
// false, as we don't want to write to the db
// while we're loading
Album album = (Album)item;
pixbuf =
Global.CoverDB.Getter.GetAmazon(album, false);
Global.CoverDB.Covers.Add(key, null);
}
LoadedCover lc = new LoadedCover(item, pixbuf);
queue.Enqueue(lc);
}
}
