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conky/src/xmms2.cc
2021-02-27 09:14:19 -06:00

423 lines
13 KiB
C++

/*
*
* Conky, a system monitor, based on torsmo
*
* Any original torsmo code is licensed under the BSD license
*
* All code written since the fork of torsmo is licensed under the GPL
*
* Please see COPYING for details
*
* Copyright (c) 2005-2021 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "conky.h"
xmmsc_connection_t *xmms2_conn;
#define CONN_INIT 0
#define CONN_OK 1
#define CONN_NO 2
static void xmms_alloc(struct information *ptr) {
if (ptr->xmms2.artist == nullptr) {
ptr->xmms2.artist = (char *)malloc(text_buffer_size.get(*state));
}
if (ptr->xmms2.album == nullptr) {
ptr->xmms2.album = (char *)malloc(text_buffer_size.get(*state));
}
if (ptr->xmms2.title == nullptr) {
ptr->xmms2.title = (char *)malloc(text_buffer_size.get(*state));
}
if (ptr->xmms2.genre == nullptr) {
ptr->xmms2.genre = (char *)malloc(text_buffer_size.get(*state));
}
if (ptr->xmms2.comment == nullptr) {
ptr->xmms2.comment = (char *)malloc(text_buffer_size.get(*state));
}
if (ptr->xmms2.url == nullptr) {
ptr->xmms2.url = (char *)malloc(text_buffer_size.get(*state));
}
if (ptr->xmms2.date == nullptr) {
ptr->xmms2.date = (char *)malloc(text_buffer_size.get(*state));
}
ptr->xmms2.artist[0] = '\0';
ptr->xmms2.album[0] = '\0';
ptr->xmms2.title[0] = '\0';
ptr->xmms2.genre[0] = '\0';
ptr->xmms2.comment[0] = '\0';
ptr->xmms2.url[0] = '\0';
ptr->xmms2.date[0] = '\0';
ptr->xmms2.tracknr = 0;
ptr->xmms2.id = 0;
ptr->xmms2.bitrate = 0;
ptr->xmms2.duration = 0;
ptr->xmms2.elapsed = 0;
ptr->xmms2.size = 0;
ptr->xmms2.progress = 0;
ptr->xmms2.timesplayed = -1;
}
void free_xmms2(struct text_object *obj) {
(void)obj;
free_and_zero(info.xmms2.artist);
free_and_zero(info.xmms2.album);
free_and_zero(info.xmms2.title);
free_and_zero(info.xmms2.genre);
free_and_zero(info.xmms2.comment);
free_and_zero(info.xmms2.url);
free_and_zero(info.xmms2.date);
free_and_zero(info.xmms2.status);
free_and_zero(info.xmms2.playlist);
}
void connection_lost(void *p) {
struct information *ptr = (struct information *)p;
ptr->xmms2.conn_state = CONN_NO;
fprintf(stderr, "XMMS2 connection failed. %s\n",
xmmsc_get_last_error(xmms2_conn));
xmms_alloc(ptr);
strncpy(ptr->xmms2.status, "Disconnected", text_buffer_size.get(*state) - 1);
ptr->xmms2.playlist[0] = '\0';
ptr->xmms2.id = 0;
}
int handle_curent_id(xmmsv_t *value, void *p) {
struct information *ptr = (struct information *)p;
xmmsv_t *val, *infos, *dict_entry;
xmmsc_result_t *res;
const char *errbuf;
int current_id;
const char *charval;
int intval;
if (xmmsv_get_error(value, &errbuf)) {
fprintf(stderr, "XMMS2 server error. %s\n", errbuf);
return TRUE;
}
if (xmmsv_get_int(value, &current_id) && current_id > 0) {
res = xmmsc_medialib_get_info(xmms2_conn, current_id);
xmmsc_result_wait(res);
val = xmmsc_result_get_value(res);
if (xmmsv_get_error(val, &errbuf)) {
fprintf(stderr, "XMMS2 server error. %s\n", errbuf);
return TRUE;
}
xmms_alloc(ptr);
ptr->xmms2.id = current_id;
infos = xmmsv_propdict_to_dict(val, nullptr);
if (xmmsv_dict_get(infos, "artist", &dict_entry) &&
xmmsv_get_string(dict_entry, &charval))
strncpy(ptr->xmms2.artist, charval, text_buffer_size.get(*state) - 1);
if (xmmsv_dict_get(infos, "title", &dict_entry) &&
xmmsv_get_string(dict_entry, &charval))
strncpy(ptr->xmms2.title, charval, text_buffer_size.get(*state) - 1);
if (xmmsv_dict_get(infos, "album", &dict_entry) &&
xmmsv_get_string(dict_entry, &charval))
strncpy(ptr->xmms2.album, charval, text_buffer_size.get(*state) - 1);
if (xmmsv_dict_get(infos, "genre", &dict_entry) &&
xmmsv_get_string(dict_entry, &charval))
strncpy(ptr->xmms2.genre, charval, text_buffer_size.get(*state) - 1);
if (xmmsv_dict_get(infos, "comment", &dict_entry) &&
xmmsv_get_string(dict_entry, &charval))
strncpy(ptr->xmms2.comment, charval, text_buffer_size.get(*state) - 1);
if (xmmsv_dict_get(infos, "url", &dict_entry) &&
xmmsv_get_string(dict_entry, &charval))
strncpy(ptr->xmms2.url, charval, text_buffer_size.get(*state) - 1);
if (xmmsv_dict_get(infos, "date", &dict_entry) &&
xmmsv_get_string(dict_entry, &charval))
strncpy(ptr->xmms2.date, charval, text_buffer_size.get(*state) - 1);
if (xmmsv_dict_get(infos, "tracknr", &dict_entry) &&
xmmsv_get_int(dict_entry, &intval))
ptr->xmms2.tracknr = intval;
if (xmmsv_dict_get(infos, "duration", &dict_entry) &&
xmmsv_get_int(dict_entry, &intval))
ptr->xmms2.duration = intval;
if (xmmsv_dict_get(infos, "bitrate", &dict_entry) &&
xmmsv_get_int(dict_entry, &intval))
ptr->xmms2.bitrate = intval / 1000;
if (xmmsv_dict_get(infos, "size", &dict_entry) &&
xmmsv_get_int(dict_entry, &intval))
ptr->xmms2.size = (float)intval / 1048576;
if (xmmsv_dict_get(infos, "timesplayed", &dict_entry) &&
xmmsv_get_int(dict_entry, &intval))
ptr->xmms2.timesplayed = intval;
xmmsv_unref(infos);
xmmsc_result_unref(res);
}
return TRUE;
}
int handle_playtime(xmmsv_t *value, void *p) {
struct information *ptr = (struct information *)p;
int play_time;
const char *errbuf;
if (xmmsv_get_error(value, &errbuf)) {
fprintf(stderr, "XMMS2 server error. %s\n", errbuf);
return TRUE;
}
if (xmmsv_get_int(value, &play_time)) {
ptr->xmms2.elapsed = play_time;
ptr->xmms2.progress = (float)play_time / ptr->xmms2.duration;
ptr->xmms2.percent = (int)(ptr->xmms2.progress * 100);
}
return TRUE;
}
int handle_playback_state_change(xmmsv_t *value, void *p) {
struct information *ptr = (struct information *)p;
int pb_state = 0;
const char *errbuf;
if (xmmsv_get_error(value, &errbuf)) {
fprintf(stderr, "XMMS2 server error. %s\n", errbuf);
return TRUE;
}
if (ptr->xmms2.status == nullptr) {
ptr->xmms2.status = (char *)malloc(text_buffer_size.get(*state));
ptr->xmms2.status[0] = '\0';
}
if (xmmsv_get_int(value, &pb_state)) {
switch (pb_state) {
case XMMS_PLAYBACK_STATUS_PLAY:
strncpy(ptr->xmms2.status, "Playing", text_buffer_size.get(*state) - 1);
break;
case XMMS_PLAYBACK_STATUS_PAUSE:
strncpy(ptr->xmms2.status, "Paused", text_buffer_size.get(*state) - 1);
break;
case XMMS_PLAYBACK_STATUS_STOP:
strncpy(ptr->xmms2.status, "Stopped", text_buffer_size.get(*state) - 1);
ptr->xmms2.elapsed = ptr->xmms2.progress = ptr->xmms2.percent = 0;
break;
default:
strncpy(ptr->xmms2.status, "Unknown", text_buffer_size.get(*state) - 1);
}
}
return TRUE;
}
int handle_playlist_loaded(xmmsv_t *value, void *p) {
struct information *ptr = (struct information *)p;
const char *c, *errbuf;
if (xmmsv_get_error(value, &errbuf)) {
fprintf(stderr, "XMMS2 server error. %s\n", errbuf);
return TRUE;
}
if (ptr->xmms2.playlist == nullptr) {
ptr->xmms2.playlist = (char *)malloc(text_buffer_size.get(*state));
ptr->xmms2.playlist[0] = '\0';
}
if (xmmsv_get_string(value, &c)) {
strncpy(ptr->xmms2.playlist, c, text_buffer_size.get(*state) - 1);
}
return TRUE;
}
int handle_medialib_changed(xmmsv_t *value, void *p) {
struct information *ptr = (struct information *)p;
const char *errbuf;
int current_id;
if (xmmsv_get_error(value, &errbuf)) {
fprintf(stderr, "XMMS2 server error. %s\n", errbuf);
return TRUE;
}
if (xmmsv_get_int(value, &current_id) && current_id > 0 &&
ptr->xmms2.id == (unsigned int)current_id) {
return handle_curent_id(value, ptr);
}
return TRUE;
}
int update_xmms2(void) {
struct information *current_info = &info;
/* initialize connection */
if (current_info->xmms2.conn_state == CONN_INIT) {
if (xmms2_conn == nullptr) { xmms2_conn = xmmsc_init(PACKAGE_NAME); }
/* did init fail? */
if (xmms2_conn == nullptr) {
fprintf(stderr, "XMMS2 init failed. %s\n",
xmmsc_get_last_error(xmms2_conn));
return 0;
}
/* init ok but not connected yet.. */
current_info->xmms2.conn_state = CONN_NO;
/* clear all values */
xmms_alloc(current_info);
}
/* connect */
if (current_info->xmms2.conn_state == CONN_NO) {
char *path = getenv("XMMS_PATH");
if (!xmmsc_connect(xmms2_conn, path)) {
fprintf(stderr, "XMMS2 connection failed. %s\n",
xmmsc_get_last_error(xmms2_conn));
current_info->xmms2.conn_state = CONN_NO;
return 0;
}
/* set callbacks */
xmmsc_disconnect_callback_set(xmms2_conn, connection_lost, current_info);
XMMS_CALLBACK_SET(xmms2_conn, xmmsc_broadcast_playback_current_id,
handle_curent_id, current_info);
XMMS_CALLBACK_SET(xmms2_conn, xmmsc_signal_playback_playtime,
handle_playtime, current_info);
XMMS_CALLBACK_SET(xmms2_conn, xmmsc_broadcast_playback_status,
handle_playback_state_change, current_info);
XMMS_CALLBACK_SET(xmms2_conn, xmmsc_broadcast_playlist_loaded,
handle_playlist_loaded, current_info);
XMMS_CALLBACK_SET(xmms2_conn, xmmsc_broadcast_medialib_entry_changed,
handle_medialib_changed, current_info);
/* get playback status, current id and active playlist */
XMMS_CALLBACK_SET(xmms2_conn, xmmsc_playback_current_id, handle_curent_id,
current_info);
XMMS_CALLBACK_SET(xmms2_conn, xmmsc_playback_status,
handle_playback_state_change, current_info);
XMMS_CALLBACK_SET(xmms2_conn, xmmsc_playlist_current_active,
handle_playlist_loaded, current_info);
/* everything seems to be ok */
current_info->xmms2.conn_state = CONN_OK;
}
/* handle callbacks */
if (current_info->xmms2.conn_state == CONN_OK) {
xmmsc_io_in_handle(xmms2_conn);
if (xmmsc_io_want_out(xmms2_conn)) xmmsc_io_out_handle(xmms2_conn);
}
return 0;
}
void print_xmms2_tracknr(struct text_object *obj, char *p,
unsigned int p_max_size) {
(void)obj;
if (info.xmms2.tracknr != -1) {
snprintf(p, p_max_size, "%i", info.xmms2.tracknr);
}
}
void print_xmms2_elapsed(struct text_object *obj, char *p,
unsigned int p_max_size) {
(void)obj;
snprintf(p, p_max_size, "%02d:%02d", info.xmms2.elapsed / 60000,
(info.xmms2.elapsed / 1000) % 60);
}
void print_xmms2_duration(struct text_object *obj, char *p,
unsigned int p_max_size) {
(void)obj;
snprintf(p, p_max_size, "%02d:%02d", info.xmms2.duration / 60000,
(info.xmms2.duration / 1000) % 60);
}
double xmms2_barval(struct text_object *obj) {
(void)obj;
return info.xmms2.progress;
}
void print_xmms2_smart(struct text_object *obj, char *p,
unsigned int p_max_size) {
(void)obj;
int artist_len = strlen(info.xmms2.artist);
int title_len = strlen(info.xmms2.title);
if (artist_len < 2 && title_len < 2) {
snprintf(p, p_max_size, "%s", info.xmms2.url);
} else if (artist_len < 1) {
snprintf(p, p_max_size, "%s", info.xmms2.title);
} else {
snprintf(p, p_max_size, "%s - %s", info.xmms2.artist, info.xmms2.title);
}
}
#define XMMS2_PRINT_GENERATOR(name, fmt) \
void print_xmms2_##name(struct text_object *obj, char *p, \
unsigned int p_max_size) { \
(void)obj; \
snprintf(p, p_max_size, fmt, info.xmms2.name); \
}
XMMS2_PRINT_GENERATOR(artist, "%s")
XMMS2_PRINT_GENERATOR(album, "%s")
XMMS2_PRINT_GENERATOR(title, "%s")
XMMS2_PRINT_GENERATOR(genre, "%s")
XMMS2_PRINT_GENERATOR(comment, "%s")
XMMS2_PRINT_GENERATOR(url, "%s")
XMMS2_PRINT_GENERATOR(status, "%s")
XMMS2_PRINT_GENERATOR(date, "%s")
XMMS2_PRINT_GENERATOR(bitrate, "%i")
XMMS2_PRINT_GENERATOR(id, "%u")
XMMS2_PRINT_GENERATOR(size, "%2.1f")
XMMS2_PRINT_GENERATOR(playlist, "%s")
XMMS2_PRINT_GENERATOR(timesplayed, "%i")
XMMS2_PRINT_GENERATOR(percent, "%i")
#undef XMMS2_PRINT_GENERATOR
int if_xmms2_connected(struct text_object *obj) {
(void)obj;
return info.xmms2.conn_state == CONN_OK;
}