1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* Copyright (C) 2003-2014 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU 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.
*/
#include "config.h"
#include "Playlist.hxx"
#include "db/DatabasePlugin.hxx"
#include "db/LightSong.hxx"
#include "DetachedSong.hxx"
#include "tag/Tag.hxx"
#include "Idle.hxx"
#include "util/Error.hxx"
static bool
UpdatePlaylistSong(const Database &db, DetachedSong &song)
{
if (!song.IsInDatabase() || !song.IsFile())
/* only update Songs instances that are "detached"
from the Database */
return false;
const LightSong *original = db.GetSong(song.GetURI(), IgnoreError());
if (original == nullptr)
/* not found - shouldn't happen, because the update
thread should ensure that all stale Song instances
have been purged */
return false;
if (original->mtime == song.GetLastModified()) {
/* not modified */
db.ReturnSong(original);
return false;
}
song.SetLastModified(original->mtime);
song.SetTag(*original->tag);
db.ReturnSong(original);
return true;
}
void
playlist::DatabaseModified(const Database &db)
{
bool modified = false;
for (unsigned i = 0, n = queue.GetLength(); i != n; ++i) {
if (UpdatePlaylistSong(db, queue.Get(i))) {
queue.ModifyAtPosition(i);
modified = true;
}
}
if (modified) {
queue.IncrementVersion();
idle_add(IDLE_PLAYLIST);
}
}
|
