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LibrariesManager.vala
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LibrariesManager.vala
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// -*- Mode: vala; indent-tabs-mode: nil; tab-width: 4 -*-
/*-
* Copyright (c) 2012-2018 elementary LLC. (https://elementary.io)
*
* This program 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.
*
* This program 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, see <http://www.gnu.org/licenses/>.
*
* The Music authors hereby grant permission for non-GPL compatible
* GStreamer plugins to be used and distributed together with GStreamer
* and Music. This permission is above and beyond the permissions granted
* by the GPL license by which Music is covered. If you modify this code
* you may extend this exception to your version of the code, but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version.
*
* Authored by: Corentin Noël <corentin@elementary.io>
*/
public class Music.LibrariesManager : GLib.Object {
/**
* Headless playlists are playlists that are not linked to a library.
*/
public signal void add_headless_playlist (StaticPlaylist playlist);
public signal void library_removed (Library library);
public signal void library_added (Library library);
public signal void cancel_transfer ();
public signal void operation_terminated ();
public double progress;
public string current_operation;
private string old_search = null;
private Gee.HashMap<Library, int> libraries;
private int current_index = 0;
public Library local_library;
public LibrariesManager () {
libraries = new Gee.HashMap<Library, int> ();
}
public void add_library (Library library) {
if (!libraries.keys.contains (library)) {
libraries.set (library, current_index);
library_added (library);
}
}
public void remove_library (Library library) {
if (libraries.keys.contains (library)) {
library_removed (library);
libraries.unset (library);
}
}
public Library? get_library_from_index (int index) {
foreach (var entry in libraries.entries) {
if (entry.value == index) {
return entry.key;
}
}
return null;
}
public void search_for_string (string search) {
if (old_search == search) {
return;
}
old_search = search;
foreach (var library in libraries.keys) {
library.search_medias (search);
}
}
public void transfer_to_local_library (Gee.Collection<Media> to_transfer) {
if (local_library == null) {
return;
}
if (to_transfer == null || to_transfer.size == 0) {
warning ("No songs in transfer list\n");
return;
}
debug ("Found %d medias to import.", to_transfer.size);
transfer_medias_async.begin (to_transfer);
return;
}
public async void transfer_medias_async (Gee.Collection<Music.Media> list) {
if (list == null || list.size == 0) {
return;
}
int index = 0;
progress = 0;
Timeout.add (500, do_progress_notification_with_timeout);
int total = list.size;
var copied_list = new Gee.TreeSet<Media> ();
foreach (var m in list) {
if (File.new_for_uri (m.uri).query_exists ()) {
try {
File dest = FileUtils.get_new_destination (m);
if (dest == null) {
break;
}
/* copy the file over */
bool success = false;
success = m.file.copy (dest, FileCopyFlags.NONE, null, null);
if (success) {
Music.Media copy = m.copy ();
debug ("success copying file\n");
copy.uri = dest.get_uri ();
copy.rowid = 0;
copy.is_temporary = false;
copy.date_added = (int)time_t ();
copied_list.add (copy);
} else {
warning ("Failure: Could not copy imported media %s to media folder %s", m.uri, dest.get_path ());
break;
}
} catch (Error err) {
warning ("Could not copy imported media %s to media folder: %s\n", m.uri, err.message);
break;
}
current_operation = _("Importing <b>$NAME</b> by <b>$ARTIST</b> to library…");
current_operation = current_operation.replace ("$NAME", m.get_display_title ());
current_operation = current_operation.replace ("$ARTIST", m.get_display_artist ());
} else {
message ("Skipped transferring media %s. Either already in library, or has invalid file path.\n", m.get_display_title ());
}
index++;
progress = (double)index / total;
}
progress = 1;
Idle.add (() => {
local_library.add_medias (copied_list);
return false;
});
}
public bool do_progress_notification_with_timeout () {
NotificationManager.get_default ().update_progress (current_operation.replace ("&", "&"), progress);
if (progress < 1) {
return true;
}
return false;
}
}