diff options
Diffstat (limited to 'apps/playlist_catalog.c')
| -rw-r--r-- | apps/playlist_catalog.c | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/apps/playlist_catalog.c b/apps/playlist_catalog.c new file mode 100644 index 0000000000..a1a9bd8ea1 --- /dev/null +++ b/apps/playlist_catalog.c @@ -0,0 +1,504 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006 Sebastian Henriksen, Hardeep Sidhu + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * 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.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 "onplay.h" +#include "playlist.h" +#include "settings.h" +#include "splash.h" +#include "sprintf.h" +#include "tree.h" +#include "yesno.h" + +#define PLAYLIST_CATALOG_CFG ROCKBOX_DIR "/playlist_catalog.config" +#define PLAYLIST_CATALOG_DEFAULT_DIR "/Playlists" +#define MAX_PLAYLISTS 400 +#define PLAYLIST_DISPLAY_COUNT 10 + +/* 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 (configured in + PLAYLIST_CATALOG_CFG) */ +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) + { + int f; + DIR* dir; + bool default_dir = true; + + f = open(PLAYLIST_CATALOG_CFG, O_RDONLY); + if (f >= 0) + { + char buf[MAX_PATH+5]; + + while (read_line(f, buf, sizeof(buf))) + { + char* name; + char* value; + + /* directory config is of the format: "dir: /path/to/dir" */ + if (settings_parseline(buf, &name, &value) && + !strncasecmp(name, "dir:", strlen(name)) && + strlen(value) > 0) + { + strncpy(playlist_dir, value, strlen(value)); + default_dir = false; + } + } + + close(f); + } + + /* fall back to default directory if no or invalid config */ + if (default_dir) + strncpy(playlist_dir, PLAYLIST_CATALOG_DEFAULT_DIR, + sizeof(playlist_dir)); + + playlist_dir_length = strlen(playlist_dir); + + dir = opendir(playlist_dir); + if (dir) + { + playlist_dir_exists = true; + closedir(dir); + memset(most_recent_playlist, 0, sizeof(most_recent_playlist)); + initialized = true; + } + } + + if (!playlist_dir_exists) + { + gui_syncsplash(HZ*2, true, str(LANG_CATALOG_NO_DIRECTORY), + playlist_dir); + return -1; + } + + return 0; +} + +/* Use the filetree functions to retrieve the list of playlists in the + directory */ +static int create_playlist_list(char** playlists, int num_items, + int* num_playlists) +{ + int result = -1; + int num_files = 0; + int index = 0; + int i; + bool most_recent = false; + struct entry *files; + struct tree_context* tc = tree_get_context(); + int dirfilter = *(tc->dirfilter); + + *num_playlists = 0; + + /* use the tree browser dircache to load only playlists */ + *(tc->dirfilter) = SHOW_PLAYLIST; + + if (ft_load(tc, playlist_dir) < 0) + { + gui_syncsplash(HZ*2, true, str(LANG_CATALOG_NO_DIRECTORY), + playlist_dir); + goto exit; + } + + files = (struct entry*) tc->dircache; + num_files = tc->filesindir; + + /* we've overwritten the dircache so tree browser will need to be + reloaded */ + reload_directory(); + + /* if it exists, most recent playlist will always be index 0 */ + if (most_recent_playlist[0] != '\0') + { + index = 1; + most_recent = true; + } + + for (i=0; i<num_files && index<num_items; i++) + { + if (files[i].attr & TREE_ATTR_M3U) + { + if (most_recent && !strncmp(files[i].name, most_recent_playlist, + sizeof(most_recent_playlist))) + { + playlists[0] = files[i].name; + most_recent = false; + } + else + { + playlists[index] = files[i].name; + index++; + } + } + } + + *num_playlists = index; + + /* we couldn't find the most recent playlist, shift all playlists up */ + if (most_recent) + { + for (i=0; i<index-1; i++) + playlists[i] = playlists[i+1]; + + (*num_playlists)--; + + most_recent_playlist[0] = '\0'; + } + + result = 0; + +exit: + *(tc->dirfilter) = dirfilter; + return result; +} + +/* Callback for gui_synclist */ +static char* playlist_callback_name(int selected_item, void* data, + char* buffer) +{ + char** playlists = (char**) data; + + strncpy(buffer, playlists[selected_item], MAX_PATH); + + return buffer; +} + +/* 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) +{ + int result = -1; + int num_playlists = 0; + int lastbutton = BUTTON_NONE; + bool exit = false; + char temp_buf[MAX_PATH]; + char* playlists[MAX_PLAYLISTS]; + struct gui_synclist playlist_lists; + + if (create_playlist_list(playlists, sizeof(playlists), + &num_playlists) != 0) + return -1; + + if (num_playlists <= 0) + { + gui_syncsplash(HZ*2, true, str(LANG_CATALOG_NO_PLAYLISTS)); + return -1; + } + + if (!playlist) + playlist = temp_buf; + + gui_synclist_init(&playlist_lists, playlist_callback_name, playlists, + false, 1); + gui_synclist_set_nb_items(&playlist_lists, num_playlists); + gui_synclist_draw(&playlist_lists); + + while (!exit) + { + int button = button_get_w_tmo(HZ/2); + char* sel_file; + + gui_synclist_do_button(&playlist_lists, button); + + sel_file = playlists[gui_synclist_get_sel_pos(&playlist_lists)]; + + switch (button) + { + case TREE_EXIT: +#ifdef TREE_RC_EXIT + case TREE_RC_EXIT: +#endif +#ifdef TREE_OFF + case TREE_OFF: +#endif + exit = true; + break; + +#ifdef TREE_ENTER + case TREE_ENTER: + case TREE_ENTER | BUTTON_REPEAT: +#endif +#ifdef TREE_RC_RUN + case TREE_RC_RUN: +#endif + case TREE_RUN: +#ifdef TREE_RUN_PRE + if (((button == TREE_RUN) +#ifdef TREE_RC_RUN_PRE + || (button == TREE_RC_RUN)) + && ((lastbutton != TREE_RC_RUN_PRE) +#endif + && (lastbutton != TREE_RUN_PRE))) + break; +#endif + + if (view) + { + /* In view mode, selecting a playlist starts playback */ + if (playlist_create(playlist_dir, sel_file) != -1) + { + if (global_settings.playlist_shuffle) + playlist_shuffle(current_tick, -1); + playlist_start(0, 0); + } + } + else + { + /* we found the playlist we want to add to */ + snprintf(playlist, MAX_PATH, "%s/%s", playlist_dir, + sel_file); + } + + result = 0; + exit = true; + break; + + case TREE_CONTEXT: +#ifdef TREE_CONTEXT2 + case TREE_CONTEXT2: +#endif +#ifdef TREE_RC_CONTEXT + case TREE_RC_CONTEXT: +#endif + /* context menu only available in view mode */ + if (view) + { + snprintf(playlist, MAX_PATH, "%s/%s", playlist_dir, + sel_file); + + if (onplay(playlist, TREE_ATTR_M3U, + CONTEXT_TREE) != ONPLAY_OK) + { + result = 0; + exit = true; + } + else + gui_synclist_draw(&playlist_lists); + } + break; + + case BUTTON_NONE: + gui_syncstatusbar_draw(&statusbars, false); + break; + + default: + if(default_event_handler(button) == SYS_USB_CONNECTED) + { + result = -1; + exit = true; + } + break; + } + + lastbutton = button; + } + + return result; +} + +/* display number of tracks inserted into playlists. Used for directory + insert */ +static void display_insert_count(int count) +{ + gui_syncsplash(0, true, str(LANG_PLAYLIST_INSERT_COUNT), count, +#if CONFIG_KEYPAD == PLAYER_PAD + str(LANG_STOP_ABORT) +#else + str(LANG_OFF_ABORT) +#endif + ); +} + +/* 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, char* sel, int sel_attr) +{ + int fd; + int result = -1; + + fd = open(playlist, O_CREAT|O_WRONLY|O_APPEND); + if(fd < 0) + return result; + + /* In case we're in the playlist directory */ + reload_directory(); + + if ((sel_attr & TREE_ATTR_MASK) == TREE_ATTR_MPA) + { + /* append the selected file */ + if (fdprintf(fd, "%s\n", sel) > 0) + result = 0; + } + else if ((sel_attr & TREE_ATTR_MASK) == TREE_ATTR_M3U) + { + /* append playlist */ + int f, fs, i; + char buf[1024]; + + if(strcasecmp(playlist, sel) == 0) + goto exit; + + f = open(sel, O_RDONLY); + if (f < 0) + goto exit; + + fs = filesize(f); + + for (i=0; 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; + char *lines[] = { + (char *)str(LANG_RECURSE_DIRECTORY_QUESTION), + sel + }; + 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; +} + +bool catalog_view_playlists(void) +{ + if (initialize_catalog() == -1) + return false; + + if (display_playlists(NULL, true) == -1) + return false; + + return true; +} + +bool catalog_add_to_a_playlist(char* sel, int sel_attr, bool new_playlist) +{ + char playlist[MAX_PATH]; + + if (initialize_catalog() == -1) + return false; + + if (new_playlist) + { + snprintf(playlist, MAX_PATH, "%s/", playlist_dir); + if (kbd_input(playlist, MAX_PATH)) + return false; + + if(strlen(playlist) <= 4 || + strcasecmp(&playlist[strlen(playlist)-4], ".m3u")) + strcat(playlist, ".m3u"); + } + else + { + if (display_playlists(playlist, false) == -1) + return false; + } + + if (add_to_playlist(playlist, sel, sel_attr) == 0) + { + strncpy(most_recent_playlist, playlist+playlist_dir_length+1, + sizeof(most_recent_playlist)); + return true; + } + else + return false; +} |