/* ncmpc (Ncurses MPD Client)
* (c) 2004-2009 The Music Player Daemon Project
* Project homepage: http://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 <sys/stat.h>
#include "i18n.h"
#include "options.h"
#include "mpdclient.h"
#include "command.h"
#include "screen.h"
#include "strfsong.h"
#include "lyrics.h"
#include "screen_text.h"
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <unistd.h>
#include <stdio.h>
static struct screen_text text;
static const struct mpd_song *next_song;
static struct {
struct mpd_song *song;
char *artist, *title;
struct plugin_cycle *loader;
} current;
static void
screen_lyrics_abort(void)
{
if (current.loader != NULL) {
plugin_stop(current.loader);
current.loader = NULL;
}
if (current.artist != NULL) {
g_free(current.artist);
current.artist = NULL;
}
if (current.title != NULL) {
g_free(current.title);
current.artist = NULL;
}
if (current.song != NULL) {
mpd_freeSong(current.song);
current.song = NULL;
}
}
/**
* Repaint and update the screen, if it is currently active.
*/
static void
lyrics_repaint_if_active(void)
{
if (screen_is_visible(&screen_lyrics)) {
screen_text_repaint(&text);
/* XXX repaint the screen title */
}
}
static void
screen_lyrics_set(const GString *str)
{
screen_text_set(&text, str);
/* paint new data */
lyrics_repaint_if_active();
}
static void
screen_lyrics_callback(const GString *result, G_GNUC_UNUSED void *data)
{
assert(current.loader != NULL);
if (result != NULL)
screen_lyrics_set(result);
else
/* translators: no lyrics were found for the song */
screen_status_message (_("No lyrics"));
plugin_stop(current.loader);
current.loader = NULL;
}
static void
screen_lyrics_load(const struct mpd_song *song)
{
char buffer[MAX_SONGNAME_LENGTH];
assert(song != NULL);
screen_lyrics_abort();
screen_text_clear(&text);
current.song = mpd_songDup(song);
strfsong(buffer, sizeof(buffer), "%artist%", song);
current.artist = g_strdup(buffer);
strfsong(buffer, sizeof(buffer), "%title%", song);
current.title = g_strdup(buffer);
current.loader = lyrics_load(current.artist, current.title,
screen_lyrics_callback, NULL);
}
static FILE *create_lyr_file(const char *artist, const char *title)
{
char path[1024];
snprintf(path, 1024, "%s/.lyrics",
getenv("HOME"));
mkdir(path, S_IRWXU);
snprintf(path, 1024, "%s/.lyrics/%s - %s.txt",
getenv("HOME"), artist, title);
return fopen(path, "w");
}
static int store_lyr_hd(void)
{
FILE *lyr_file;
unsigned i;
lyr_file = create_lyr_file(current.artist, current.title);
if (lyr_file == NULL)
return -1;
for (i = 0; i < text.lines->len; ++i)
fprintf(lyr_file, "%s\n",
(const char*)g_ptr_array_index(text.lines, i));
fclose(lyr_file);
return 0;
}
static void
lyrics_screen_init(WINDOW *w, int cols, int rows)
{
screen_text_init(&text, w, cols, rows);
}
static void
lyrics_resize(int cols, int rows)
{
screen_text_resize(&text, cols, rows);
}
static void
lyrics_exit(void)
{
screen_lyrics_abort();
screen_text_deinit(&text);
}
static void
lyrics_open(mpdclient_t *c)
{
if (next_song == NULL)
next_song = c->song;
if (next_song != NULL &&
(current.song == NULL ||
strcmp(next_song->file, current.song->file) != 0))
screen_lyrics_load(next_song);
next_song = NULL;
}
static const char *
lyrics_title(char *str, size_t size)
{
if (current.loader != NULL) {
snprintf(str, size, "%s (%s)",
_("Lyrics"),
/* translators: this message is displayed
while data is retrieved */
_("loading..."));
return str;
} else if (current.artist != NULL && current.title != NULL &&
!screen_text_is_empty(&text)) {
snprintf(str, size, "%s: %s - %s",
_("Lyrics"),
current.artist, current.title);
return str;
} else
return _("Lyrics");
}
static void
lyrics_paint(void)
{
screen_text_paint(&text);
}
static bool
lyrics_cmd(mpdclient_t *c, command_t cmd)
{
if (screen_text_cmd(&text, c, cmd))
return true;
switch(cmd) {
case CMD_INTERRUPT:
if (current.loader != NULL) {
screen_lyrics_abort();
screen_text_clear(&text);
}
return true;
case CMD_ADD:
if (current.loader == NULL && current.artist != NULL &&
current.title != NULL && store_lyr_hd() == 0)
/* lyrics for the song were saved on hard disk */
screen_status_message (_("Lyrics saved"));
return true;
case CMD_LYRICS_UPDATE:
if (c->song != NULL) {
screen_lyrics_load(c->song);
screen_text_repaint(&text);
}
return true;
#ifdef ENABLE_SONG_SCREEN
case CMD_VIEW:
if (current.song != NULL) {
screen_song_switch(c, current.song);
return true;
}
break;
#endif
case CMD_LOCATE:
if (current.song != NULL) {
screen_file_goto_song(c, current.song);
return true;
}
return false;
default:
break;
}
return false;
}
const struct screen_functions screen_lyrics = {
.init = lyrics_screen_init,
.exit = lyrics_exit,
.open = lyrics_open,
.close = NULL,
.resize = lyrics_resize,
.paint = lyrics_paint,
.cmd = lyrics_cmd,
.get_title = lyrics_title,
};
void
screen_lyrics_switch(struct mpdclient *c, const struct mpd_song *song)
{
assert(song != NULL);
next_song = song;
screen_switch(&screen_lyrics, c);
}