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rockbox/apps/playlist_catalog.c

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C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Sebastian Henriksen, Hardeep Sidhu
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "string-extra.h"
#include "action.h"
#include "dir.h"
#include "file.h"
#include "filetree.h"
#include "kernel.h"
#include "keyboard.h"
#include "lang.h"
#include "list.h"
#include "misc.h"
#include "filefuncs.h"
#include "onplay.h"
#include "playlist.h"
#include "settings.h"
#include "splash.h"
#include "tree.h"
#include "yesno.h"
#include "filetypes.h"
#include "debug.h"
#include "playlist_catalog.h"
#include "talk.h"
/* Use for recursive directory search */
struct add_track_context {
int fd;
int count;
};
/* keep track of most recently used playlist */
static char most_recent_playlist[MAX_PATH];
/* directory where our playlists our stored */
static char playlist_dir[MAX_PATH];
static int playlist_dir_length;
static bool playlist_dir_exists = false;
/* Retrieve playlist directory from config file and verify it exists */
static int initialize_catalog(void)
{
static bool initialized = false;
if (!initialized)
{
bool default_dir = true;
/* directory config is of the format: "dir: /path/to/dir" */
if (global_settings.playlist_catalog_dir[0] &&
strcmp(global_settings.playlist_catalog_dir,
PLAYLIST_CATALOG_DEFAULT_DIR))
{
strcpy(playlist_dir, global_settings.playlist_catalog_dir);
default_dir = false;
}
/* fall back to default directory if no or invalid config */
if (default_dir)
{
strcpy(playlist_dir, PLAYLIST_CATALOG_DEFAULT_DIR);
if (!dir_exists(playlist_dir))
mkdir(playlist_dir);
}
playlist_dir_length = strlen(playlist_dir);
if (dir_exists(playlist_dir))
{
playlist_dir_exists = true;
memset(most_recent_playlist, 0, sizeof(most_recent_playlist));
initialized = true;
}
}
if (!playlist_dir_exists)
{
if (mkdir(playlist_dir) < 0) {
splashf(HZ*2, ID2P(LANG_CATALOG_NO_DIRECTORY), playlist_dir);
return -1;
}
else {
playlist_dir_exists = true;
memset(most_recent_playlist, 0, sizeof(most_recent_playlist));
initialized = true;
}
}
return 0;
}
/* Display all playlists in catalog. Selected "playlist" is returned.
If "view" mode is set then we're not adding anything into playlist. */
static int display_playlists(char* playlist, bool view)
{
struct browse_context browse;
char selected_playlist[MAX_PATH];
int result = -1;
browse_context_init(&browse, SHOW_M3U,
BROWSE_SELECTONLY|(view? 0: BROWSE_NO_CONTEXT_MENU),
str(LANG_CATALOG), NOICON,
playlist_dir, most_recent_playlist);
browse.buf = selected_playlist;
browse.bufsize = sizeof(selected_playlist);
rockbox_browse(&browse);
if (browse.flags & BROWSE_SELECTED)
{
strlcpy(most_recent_playlist, selected_playlist+playlist_dir_length+1,
sizeof(most_recent_playlist));
if (view)
{
char *filename = strrchr(selected_playlist, '/')+1;
/* In view mode, selecting a playlist starts playback */
ft_play_playlist(selected_playlist, playlist_dir, filename);
result = 0;
}
else
{
result = 0;
strlcpy(playlist, selected_playlist, MAX_PATH);
}
}
return result;
}
/* display number of tracks inserted into playlists. Used for directory
insert */
static void display_insert_count(int count)
{
static long talked_tick = 0;
if(global_settings.talk_menu && count &&
(talked_tick == 0 || TIME_AFTER(current_tick, talked_tick+5*HZ)))
{
talked_tick = current_tick;
talk_number(count, false);
talk_id(LANG_PLAYLIST_INSERT_COUNT, true);
}
splashf(0, str(LANG_PLAYLIST_INSERT_COUNT), count, str(LANG_OFF_ABORT));
}
/* Add specified track into playlist. Callback from directory insert */
static int add_track_to_playlist(char* filename, void* context)
{
struct add_track_context* c = (struct add_track_context*) context;
if (fdprintf(c->fd, "%s\n", filename) <= 0)
return -1;
(c->count)++;
if (((c->count)%PLAYLIST_DISPLAY_COUNT) == 0)
display_insert_count(c->count);
return 0;
}
/* Add "sel" file into specified "playlist". How to insert depends on type
of file */
static int add_to_playlist(const char* playlist, bool new_playlist,
const char* sel, int sel_attr)
{
int fd;
int result = -1;
if (new_playlist)
fd = open_utf8(playlist, O_CREAT|O_WRONLY|O_TRUNC);
else
fd = open(playlist, O_CREAT|O_WRONLY|O_APPEND, 0666);
if(fd < 0)
return result;
/* In case we're in the playlist directory */
reload_directory();
if ((sel_attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
{
/* append the selected file */
if (fdprintf(fd, "%s\n", sel) > 0)
result = 0;
}
else if ((sel_attr & FILE_ATTR_MASK) == FILE_ATTR_M3U)
{
/* append playlist */
int f, fs, i;
char buf[1024];
if(strcasecmp(playlist, sel) == 0)
goto exit;
f = open_utf8(sel, O_RDONLY);
if (f < 0)
goto exit;
i = lseek(f, 0, SEEK_CUR);
fs = filesize(f);
while (i < fs)
{
int n;
n = read(f, buf, sizeof(buf));
if (n < 0)
break;
if (write(fd, buf, n) < 0)
break;
i += n;
}
if (i >= fs)
result = 0;
close(f);
}
else if (sel_attr & ATTR_DIRECTORY)
{
/* search directory for tracks and append to playlist */
bool recurse = false;
const char *lines[] = {
ID2P(LANG_RECURSE_DIRECTORY_QUESTION), sel};
const struct text_message message={lines, 2};
struct add_track_context context;
if (global_settings.recursive_dir_insert != RECURSE_ASK)
recurse = (bool)global_settings.recursive_dir_insert;
else
{
/* Ask if user wants to recurse directory */
recurse = (gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES);
}
context.fd = fd;
context.count = 0;
display_insert_count(0);
result = playlist_directory_tracksearch(sel, recurse,
add_track_to_playlist, &context);
display_insert_count(context.count);
}
exit:
close(fd);
return result;
}
static bool in_cat_viewer = false;
bool catalog_view_playlists(void)
{
bool retval = true;
if (in_cat_viewer)
return false;
if (initialize_catalog() == -1)
return false;
in_cat_viewer = true;
retval = (display_playlists(NULL, true) != -1);
in_cat_viewer = false;
return retval;
}
static bool in_add_to_playlist = false;
bool catalog_add_to_a_playlist(const char* sel, int sel_attr,
bool new_playlist, char *m3u8name)
{
int result;
char playlist[MAX_PATH];
if (in_add_to_playlist)
return false;
if (initialize_catalog() == -1)
return false;
if (new_playlist)
{
size_t len;
if (m3u8name == NULL)
{
/*If sel is a folder, we prefill the text field with its name*/
const char *name = strrchr(sel, '/');
snprintf(playlist, MAX_PATH, "%s/%s",
playlist_dir,
(name!=NULL && (sel_attr & ATTR_DIRECTORY))?name+1:"");
if (kbd_input(playlist, MAX_PATH))
return false;
}
else
strcpy(playlist, m3u8name);
len = strlen(playlist);
if(len > 4 && !strcasecmp(&playlist[len-4], ".m3u"))
strcat(playlist, "8");
else if(len <= 5 || strcasecmp(&playlist[len-5], ".m3u8"))
strcat(playlist, ".m3u8");
}
else
{
in_add_to_playlist = true;
result = display_playlists(playlist, false);
in_add_to_playlist = false;
if (result == -1)
return false;
}
if (add_to_playlist(playlist, new_playlist, sel, sel_attr) == 0)
return true;
else
return false;
}
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