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/*
* Copyright (C) 2003-2009 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.
*/
/*
* Saving and loading the playlist to/from the state file.
*
*/
#include "playlist_state.h"
#include "playlist.h"
#include "player_control.h"
#include "queue_save.h"
#include "path.h"
#include <string.h>
#include <stdlib.h>
#define PLAYLIST_STATE_FILE_STATE "state: "
#define PLAYLIST_STATE_FILE_RANDOM "random: "
#define PLAYLIST_STATE_FILE_REPEAT "repeat: "
#define PLAYLIST_STATE_FILE_SINGLE "single: "
#define PLAYLIST_STATE_FILE_CURRENT "current: "
#define PLAYLIST_STATE_FILE_TIME "time: "
#define PLAYLIST_STATE_FILE_CROSSFADE "crossfade: "
#define PLAYLIST_STATE_FILE_PLAYLIST_BEGIN "playlist_begin"
#define PLAYLIST_STATE_FILE_PLAYLIST_END "playlist_end"
#define PLAYLIST_STATE_FILE_STATE_PLAY "play"
#define PLAYLIST_STATE_FILE_STATE_PAUSE "pause"
#define PLAYLIST_STATE_FILE_STATE_STOP "stop"
#define PLAYLIST_BUFFER_SIZE 2*MPD_PATH_MAX
void
playlist_state_save(FILE *fp, const struct playlist *playlist)
{
fprintf(fp, "%s", PLAYLIST_STATE_FILE_STATE);
if (playlist->playing) {
switch (getPlayerState()) {
case PLAYER_STATE_PAUSE:
fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_STATE_PAUSE);
break;
default:
fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_STATE_PLAY);
}
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_CURRENT,
queue_order_to_position(&playlist->queue,
playlist->current));
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_TIME,
getPlayerElapsedTime());
} else
fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_STATE_STOP);
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_RANDOM,
playlist->queue.random);
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_REPEAT,
playlist->queue.repeat);
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_SINGLE,
playlist->queue.single);
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_CROSSFADE,
(int)(getPlayerCrossFade()));
fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_PLAYLIST_BEGIN);
queue_save(fp, &playlist->queue);
fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_PLAYLIST_END);
}
static void
playlist_state_load(FILE *fp, struct playlist *playlist, char *buffer)
{
int song;
if (!fgets(buffer, PLAYLIST_BUFFER_SIZE, fp)) {
g_warning("No playlist in state file");
return;
}
while (!g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_PLAYLIST_END)) {
g_strchomp(buffer);
song = queue_load_song(&playlist->queue, buffer);
if (!fgets(buffer, PLAYLIST_BUFFER_SIZE, fp)) {
g_warning("'%s' not found in state file",
PLAYLIST_STATE_FILE_PLAYLIST_END);
break;
}
}
queue_increment_version(&playlist->queue);
}
void
playlist_state_restore(FILE *fp, struct playlist *playlist)
{
int current = -1;
int seek_time = 0;
int state = PLAYER_STATE_STOP;
char buffer[PLAYLIST_BUFFER_SIZE];
bool random_mode = false;
while (fgets(buffer, sizeof(buffer), fp)) {
g_strchomp(buffer);
if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_STATE)) {
if (strcmp(&(buffer[strlen(PLAYLIST_STATE_FILE_STATE)]),
PLAYLIST_STATE_FILE_STATE_PLAY) == 0) {
state = PLAYER_STATE_PLAY;
} else
if (strcmp
(&(buffer[strlen(PLAYLIST_STATE_FILE_STATE)]),
PLAYLIST_STATE_FILE_STATE_PAUSE)
== 0) {
state = PLAYER_STATE_PAUSE;
}
} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_TIME)) {
seek_time =
atoi(&(buffer[strlen(PLAYLIST_STATE_FILE_TIME)]));
} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_REPEAT)) {
if (strcmp
(&(buffer[strlen(PLAYLIST_STATE_FILE_REPEAT)]),
"1") == 0) {
setPlaylistRepeatStatus(playlist, true);
} else
setPlaylistRepeatStatus(playlist, false);
} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_SINGLE)) {
if (strcmp
(&(buffer[strlen(PLAYLIST_STATE_FILE_SINGLE)]),
"1") == 0) {
setPlaylistSingleStatus(playlist, true);
} else
setPlaylistSingleStatus(playlist, false);
} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_CROSSFADE)) {
setPlayerCrossFade(atoi
(&
(buffer
[strlen
(PLAYLIST_STATE_FILE_CROSSFADE)])));
} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_RANDOM)) {
random_mode =
strcmp(buffer + strlen(PLAYLIST_STATE_FILE_RANDOM),
"1") == 0;
} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_CURRENT)) {
current = atoi(&(buffer
[strlen
(PLAYLIST_STATE_FILE_CURRENT)]));
} else if (g_str_has_prefix(buffer,
PLAYLIST_STATE_FILE_PLAYLIST_BEGIN)) {
if (state == PLAYER_STATE_STOP)
current = -1;
playlist_state_load(fp, playlist, buffer);
}
}
setPlaylistRandomStatus(playlist, random_mode);
if (state != PLAYER_STATE_STOP && !queue_is_empty(&playlist->queue)) {
if (!queue_valid_position(&playlist->queue, current))
current = 0;
if (seek_time == 0)
playPlaylist(playlist, current);
else
seekSongInPlaylist(playlist, current, seek_time);
if (state == PLAYER_STATE_PAUSE)
playerPause();
}
}
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