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/*
* Copyright (C) 2010 Jens Georg <mail@jensge.org>.
* Copyright (C) 2012 Intel Corporation.
*
* Author: Jens Georg <mail@jensge.org>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Rygel is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
internal errordomain MediaArtStoreError {
NO_DIR,
NO_MEDIA_ART
}
/**
* This maps RygelMusicItem objects to their cached cover art,
* implementing the GNOME
* [[https://live.gnome.org/MediaArtStorageSpec|MediaArt storage specification]].
*/
public class Rygel.MediaArtStore : GLib.Object {
private static MediaArtStore media_art_store;
private static bool first_time = true;
private string directory;
private MediaArt.Process? media_art_process;
public static MediaArtStore? get_default () {
if (first_time) {
try {
MediaArt.plugin_init (128);
media_art_store = new MediaArtStore ();
} catch (MediaArtStoreError error) {
warning ("No media art available: %s", error.message);
}
}
first_time = false;
return media_art_store;
}
public Thumbnail? find_media_art (MusicItem item,
bool simple = false) throws Error {
string[] types = { "track", "album", "artist", "podcast", "radio" };
File file = null;
foreach (var type in types) {
file = this.get_media_art_file (type, item, simple);
if (file != null && file.query_exists (null)) {
break;
} else {
file = null;
}
}
if (file == null) {
return null;
}
var info = file.query_info (FileAttribute.ACCESS_CAN_READ + "," +
FileAttribute.STANDARD_SIZE,
FileQueryInfoFlags.NONE,
null);
if (!info.get_attribute_boolean (FileAttribute.ACCESS_CAN_READ)) {
return null;
}
var thumb = new Thumbnail ();
thumb.uri = file.get_uri ();
thumb.size = (int64) info.get_size ();
return thumb;
}
public Thumbnail? find_media_art_any (MusicItem item) throws Error {
var thumb = this.find_media_art (item);
return thumb;
}
public File? get_media_art_file (string type,
MusicItem item,
bool simple = false) {
File file;
MediaArt.get_file (item.artist,
type == "album" ? item.album : item.title,
type,
null,
out file,
null);
return file;
}
public void add (MusicItem item, File file, uint8[]? data, string? mime) {
if (this.media_art_process == null) {
return;
}
try {
if (data != null) {
this.media_art_process.buffer (MediaArt.Type.ALBUM,
MediaArt.ProcessFlags.NONE,
file,
data,
mime,
item.artist,
item.album);
} else {
this.media_art_process.file (MediaArt.Type.ALBUM,
MediaArt.ProcessFlags.NONE,
file,
item.artist,
item.album);
}
} catch (Error error) {
warning ("%s", error.message);
}
}
private MediaArtStore () throws MediaArtStoreError {
var dir = Path.build_filename (Environment.get_user_cache_dir (),
"media-art");
var file = File.new_for_path (dir);
if (!file.query_exists (null)) {
DirUtils.create_with_parents (dir, 0750);
}
this.directory = dir;
try {
this.media_art_process = new MediaArt.Process ();
} catch (Error error) {
this.media_art_process = null;
throw new MediaArtStoreError.NO_MEDIA_ART ("%s", error.message);
}
}
}
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