/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2002 Daniel Stenberg * * 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 #include #include #include "string-extra.h" #include "applimits.h" #include "dir.h" #include "file.h" #include "lcd.h" #include "font.h" #include "button.h" #include "kernel.h" #include "usb.h" #include "tree.h" #include "audio.h" #include "playlist.h" #include "menu.h" #include "skin_engine/skin_engine.h" #include "settings.h" #include "debug.h" #include "storage.h" #include "rolo.h" #include "icons.h" #include "lang.h" #include "screens.h" #include "keyboard.h" #include "bookmark.h" #include "onplay.h" #include "core_alloc.h" #include "power.h" #include "action.h" #include "talk.h" #include "filetypes.h" #include "misc.h" #include "filefuncs.h" #include "filetree.h" #include "tagtree.h" #ifdef HAVE_RECORDING #include "recorder/recording.h" #endif #include "rtc.h" #include "dircache.h" #ifdef HAVE_TAGCACHE #include "tagcache.h" #endif #include "yesno.h" #include "eeprom_settings.h" #include "playlist_catalog.h" /* gui api */ #include "list.h" #include "splash.h" #include "buttonbar.h" #include "quickscreen.h" #include "appevents.h" #include "root_menu.h" static const struct filetype *filetypes; static int filetypes_count; struct gui_synclist tree_lists; /* I put it here because other files doesn't use it yet, * but should be elsewhere since it will be used mostly everywhere */ #ifdef HAVE_BUTTONBAR static struct gui_buttonbar tree_buttonbar; #endif static struct tree_context tc; char lastfile[MAX_PATH]; static char lastdir[MAX_PATH]; #ifdef HAVE_TAGCACHE static int lasttable, lastextra, lastfirstpos; #endif static bool reload_dir = false; static bool start_wps = false; static int curr_context = false;/* id3db or tree*/ static int dirbrowse(void); static int ft_play_dirname(char* name); static void ft_play_filename(char *dir, char *file); static void say_filetype(int attr); struct entry* tree_get_entries(struct tree_context *t) { return core_get_data(t->cache.entries_handle); } struct entry* tree_get_entry_at(struct tree_context *t, int index) { struct entry* entries = tree_get_entries(t); return &entries[index]; } static const char* tree_get_filename(int selected_item, void *data, char *buffer, size_t buffer_len) { struct tree_context * local_tc=(struct tree_context *)data; char *name; int attr=0; bool stripit = false; #ifdef HAVE_TAGCACHE bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB; if (id3db) { return tagtree_get_entry_name(&tc, selected_item, buffer, buffer_len); } else #endif { struct entry* e = tree_get_entry_at(local_tc, selected_item); name = e->name; attr = e->attr; } if(!(attr & ATTR_DIRECTORY)) { switch(global_settings.show_filename_ext) { case 0: /* show file extension: off */ stripit = true; break; case 1: /* show file extension: on */ break; case 2: /* show file extension: only unknown types */ stripit = filetype_supported(attr); break; case 3: default: /* show file extension: only when viewing all */ stripit = (*(local_tc->dirfilter) != SHOW_ID3DB) && (*(local_tc->dirfilter) != SHOW_ALL); break; } } if(stripit) { return(strip_extension(buffer, buffer_len, name)); } return(name); } #ifdef HAVE_LCD_COLOR static int tree_get_filecolor(int selected_item, void * data) { if (*tc.dirfilter == SHOW_ID3DB) return -1; struct tree_context * local_tc=(struct tree_context *)data; struct entry* e = tree_get_entry_at(local_tc, selected_item); return filetype_get_color(e->name, e->attr); } #endif static enum themable_icons tree_get_fileicon(int selected_item, void * data) { struct tree_context * local_tc=(struct tree_context *)data; #ifdef HAVE_TAGCACHE bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB; if (id3db) { return tagtree_get_icon(&tc); } else #endif { struct entry* e = tree_get_entry_at(local_tc, selected_item); return filetype_get_icon(e->attr); } } static int tree_voice_cb(int selected_item, void * data) { struct tree_context * local_tc=(struct tree_context *)data; char *name; int attr=0; #ifdef HAVE_TAGCACHE bool id3db = *(local_tc->dirfilter) == SHOW_ID3DB; char buf[AVERAGE_FILENAME_LENGTH*2]; if (id3db) { attr = tagtree_get_attr(local_tc); name = tagtree_get_entry_name(local_tc, selected_item, buf, sizeof(buf)); } else #endif { struct entry* e = tree_get_entry_at(local_tc, selected_item); name = e->name; attr = e->attr; } bool is_dir = (attr & ATTR_DIRECTORY); bool did_clip = false; /* First the .talk clip case */ if(is_dir) { if(global_settings.talk_dir_clip) { did_clip = true; if(ft_play_dirname(name) <0) /* failed, not existing */ did_clip = false; } } else { /* it's a file */ if (global_settings.talk_file_clip && (attr & FILE_ATTR_THUMBNAIL)) { did_clip = true; ft_play_filename(local_tc->currdir, name); } } if(!did_clip) { /* say the number or spell if required or as a fallback */ switch (is_dir ? global_settings.talk_dir : global_settings.talk_file) { case 1: /* as numbers */ talk_id(is_dir ? VOICE_DIR : VOICE_FILE, false); talk_number(selected_item+1 - (is_dir ? 0 : local_tc->dirsindir), true); if(global_settings.talk_filetype && !is_dir && *local_tc->dirfilter < NUM_FILTER_MODES) say_filetype(attr); break; case 2: /* spelled */ talk_shutup(); if(global_settings.talk_filetype) { if(is_dir) talk_id(VOICE_DIR, true); else if(*local_tc->dirfilter < NUM_FILTER_MODES) say_filetype(attr); } talk_spell(name, true); break; } } return 0; } bool check_rockboxdir(void) { if(!dir_exists(ROCKBOX_DIR)) { /* No need to localise this message. If .rockbox is missing, it wouldn't work anyway */ int i; FOR_NB_SCREENS(i) screens[i].clear_display(); splash(HZ*2, "No .rockbox directory"); FOR_NB_SCREENS(i) screens[i].clear_display(); splash(HZ*2, "Installation incomplete"); return false; } return true; } /* do this really late in the init sequence */ void tree_gui_init(void) { check_rockboxdir(); strcpy(tc.currdir, "/"); #ifdef HAVE_LCD_CHARCELLS int i; FOR_NB_SCREENS(i) screens[i].double_height(false); #endif #ifdef HAVE_BUTTONBAR gui_buttonbar_init(&tree_buttonbar); /* since archos only have one screen, no need to create more than that */ gui_buttonbar_set_display(&tree_buttonbar, &(screens[SCREEN_MAIN]) ); #endif gui_synclist_init(&tree_lists, &tree_get_filename, &tc, false, 1, NULL); gui_synclist_set_voice_callback(&tree_lists, tree_voice_cb); gui_synclist_set_icon_callback(&tree_lists, global_settings.show_icons?&tree_get_fileicon:NULL); #ifdef HAVE_LCD_COLOR gui_synclist_set_color_callback(&tree_lists, &tree_get_filecolor); #endif } /* drawer function for the GUI_EVENT_REDRAW callback */ void tree_drawlists(void) { /* band-aid to fix the bar/list redrawing properly after leaving a plugin */ send_event(GUI_EVENT_THEME_CHANGED, NULL); /* end bandaid */ gui_synclist_draw(&tree_lists); } struct tree_context* tree_get_context(void) { return &tc; } /* * Returns the position of a given file in the current directory * returns -1 if not found */ static int tree_get_file_position(char * filename) { int i; struct entry* e; /* use lastfile to determine the selected item (default=0) */ for (i=0; i < tc.filesindir; i++) { e = tree_get_entry_at(&tc, i); if (!strcasecmp(e->name, filename)) return(i); } return(-1);/* no file can match, returns undefined */ } /* * Called when a new dir is loaded (for example when returning from other apps ...) * also completely redraws the tree */ static int update_dir(void) { bool changed = false; #ifdef HAVE_TAGCACHE bool id3db = *tc.dirfilter == SHOW_ID3DB; /* Checks for changes */ if (id3db) { if (tc.currtable != lasttable || tc.currextra != lastextra || tc.firstpos != lastfirstpos || reload_dir) { if (tagtree_load(&tc) < 0) return -1; lasttable = tc.currtable; lastextra = tc.currextra; lastfirstpos = tc.firstpos; changed = true; } } else #endif { /* if the tc.currdir has been changed, reload it ...*/ if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir) { if (ft_load(&tc, NULL) < 0) return -1; strcpy(lastdir, tc.currdir); changed = true; } } /* if selected item is undefined */ if (tc.selected_item == -1) { /* use lastfile to determine the selected item */ tc.selected_item = tree_get_file_position(lastfile); /* If the file doesn't exists, select the first one (default) */ if(tc.selected_item < 0) tc.selected_item = 0; changed = true; } if (changed) { if( #ifdef HAVE_TAGCACHE !id3db && #endif tc.dirfull ) { splash(HZ, ID2P(LANG_SHOWDIR_BUFFER_FULL)); } } #ifdef HAVE_TAGCACHE if (id3db) { #ifdef HAVE_LCD_BITMAP if (global_settings.show_path_in_browser == SHOW_PATH_FULL || global_settings.show_path_in_browser == SHOW_PATH_CURRENT) { gui_synclist_set_title(&tree_lists, tagtree_get_title(&tc), filetype_get_icon(ATTR_DIRECTORY)); } else { /* Must clear the title as the list is reused */ gui_synclist_set_title(&tree_lists, NULL, NOICON); } #endif } else #endif { #ifdef HAVE_LCD_BITMAP if (tc.browse && tc.browse->title) { int icon = tc.browse->icon; if (icon == NOICON) icon = filetype_get_icon(ATTR_DIRECTORY); gui_synclist_set_title(&tree_lists, tc.browse->title, icon); } else if (global_settings.show_path_in_browser == SHOW_PATH_FULL) { gui_synclist_set_title(&tree_lists, tc.currdir, filetype_get_icon(ATTR_DIRECTORY)); } else if (global_settings.show_path_in_browser == SHOW_PATH_CURRENT) { char *title = strrchr(tc.currdir, '/') + 1; if (*title == '\0') { /* Display "Files" for the root dir */ gui_synclist_set_title(&tree_lists, str(LANG_DIR_BROWSER), filetype_get_icon(ATTR_DIRECTORY)); } else gui_synclist_set_title(&tree_lists, title, filetype_get_icon(ATTR_DIRECTORY)); } else { /* Must clear the title as the list is reused */ gui_synclist_set_title(&tree_lists, NULL, NOICON); } #endif } gui_synclist_set_nb_items(&tree_lists, tc.filesindir); gui_synclist_set_icon_callback(&tree_lists, global_settings.show_icons?tree_get_fileicon:NULL); if( tc.selected_item >= tc.filesindir) tc.selected_item=tc.filesindir-1; gui_synclist_select_item(&tree_lists, tc.selected_item); #ifdef HAVE_BUTTONBAR if (global_settings.buttonbar) { if (*tc.dirfilter < NUM_FILTER_MODES) gui_buttonbar_set(&tree_buttonbar, str(LANG_SYSFONT_DIRBROWSE_F1), str(LANG_SYSFONT_DIRBROWSE_F2), str(LANG_SYSFONT_DIRBROWSE_F3)); else gui_buttonbar_set(&tree_buttonbar, "<<<", "", ""); gui_buttonbar_draw(&tree_buttonbar); } #endif gui_synclist_draw(&tree_lists); gui_synclist_speak_item(&tree_lists); return tc.filesindir; } /* load tracks from specified directory to resume play */ void resume_directory(const char *dir) { int dirfilter = *tc.dirfilter; int ret; #ifdef HAVE_TAGCACHE bool id3db = *tc.dirfilter == SHOW_ID3DB; #endif /* make sure the dirfilter is sane. The only time it should be possible * thats its not is when resume playlist is called from a plugin */ #ifdef HAVE_TAGCACHE if (!id3db) #endif *tc.dirfilter = global_settings.dirfilter; ret = ft_load(&tc, dir); *tc.dirfilter = dirfilter; if (ret < 0) return; lastdir[0] = 0; ft_build_playlist(&tc, 0); #ifdef HAVE_TAGCACHE if (id3db) tagtree_load(&tc); #endif } /* Returns the current working directory and also writes cwd to buf if non-NULL. In case of error, returns NULL. */ char *getcwd(char *buf, getcwd_size_t size) { if (!buf) return tc.currdir; else if (size) { if ((getcwd_size_t)strlcpy(buf, tc.currdir, size) < size) return buf; } /* size == 0, or truncation in strlcpy */ return NULL; } /* Force a reload of the directory next time directory browser is called */ void reload_directory(void) { reload_dir = true; } char* get_current_file(char* buffer, size_t buffer_len) { #ifdef HAVE_TAGCACHE /* in ID3DB mode it is a bad idea to call this function */ /* (only happens with `follow playlist') */ if( *tc.dirfilter == SHOW_ID3DB ) return NULL; #endif struct entry* e = tree_get_entry_at(&tc, tc.selected_item); if (getcwd(buffer, buffer_len)) { if (tc.dirlength) { if (buffer[strlen(buffer)-1] != '/') strlcat(buffer, "/", buffer_len); if (strlcat(buffer, e->name, buffer_len) >= buffer_len) return NULL; } return buffer; } return NULL; } /* Allow apps to change our dirfilter directly (required for sub browsers) if they're suddenly going to become a file browser for example */ void set_dirfilter(int l_dirfilter) { *tc.dirfilter = l_dirfilter; } /* Selects a file and update tree context properly */ void set_current_file(const char *path) { const char *name; int i; #ifdef HAVE_TAGCACHE /* in ID3DB mode it is a bad idea to call this function */ /* (only happens with `follow playlist') */ if( *tc.dirfilter == SHOW_ID3DB ) return; #endif /* separate directory from filename */ /* gets the directory's name and put it into tc.currdir */ name = strrchr(path+1,'/'); if (name) { strlcpy(tc.currdir, path, name - path + 1); name++; } else { strcpy(tc.currdir, "/"); name = path+1; } strcpy(lastfile, name); /* If we changed dir we must recalculate the dirlevel and adjust the selected history properly */ if (strncmp(tc.currdir,lastdir,sizeof(lastdir))) { tc.dirlevel = 0; tc.selected_item_history[tc.dirlevel] = -1; /* use '/' to calculate dirlevel */ for (i = 1; path[i] != '\0'; i++) { if (path[i] == '/') { tc.dirlevel++; tc.selected_item_history[tc.dirlevel] = -1; } } } if (ft_load(&tc, NULL) >= 0) { tc.selected_item = tree_get_file_position(lastfile); } } /* main loop, handles key events */ static int dirbrowse(void) { int numentries=0; char buf[MAX_PATH]; int button, oldbutton; bool reload_root = false; int lastfilter = *tc.dirfilter; bool lastsortcase = global_settings.sort_case; bool exit_func = false; char* currdir = tc.currdir; /* just a shortcut */ #ifdef HAVE_TAGCACHE bool id3db = *tc.dirfilter == SHOW_ID3DB; if (id3db) curr_context=CONTEXT_ID3DB; else #endif curr_context=CONTEXT_TREE; if (tc.selected_item < 0) tc.selected_item = 0; #ifdef HAVE_TAGCACHE tc.firstpos = 0; lasttable = -1; lastextra = -1; lastfirstpos = 0; #endif start_wps = false; numentries = update_dir(); reload_dir = false; if (numentries == -1) return GO_TO_PREVIOUS; /* currdir is not a directory */ if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0) { splash(HZ*2, ID2P(LANG_NO_FILES)); return GO_TO_PREVIOUS; /* No files found for rockbox_browse() */ } gui_synclist_draw(&tree_lists); while(1) { bool restore = false; if (tc.dirlevel < 0) tc.dirlevel = 0; /* shouldnt be needed.. this code needs work! */ button = get_action(CONTEXT_TREE, list_do_action_timeout(&tree_lists, HZ/2)); oldbutton = button; gui_synclist_do_button(&tree_lists, &button,LIST_WRAP_UNLESS_HELD); tc.selected_item = gui_synclist_get_sel_pos(&tree_lists); switch ( button ) { case ACTION_STD_OK: /* nothing to do if no files to display */ if ( numentries == 0 ) break; short attr = tree_get_entry_at(&tc, tc.selected_item)->attr; if ((tc.browse->flags & BROWSE_SELECTONLY) && !(attr & ATTR_DIRECTORY)) { tc.browse->flags |= BROWSE_SELECTED; get_current_file(tc.browse->buf, tc.browse->bufsize); return GO_TO_PREVIOUS; } #ifdef HAVE_TAGCACHE switch (id3db?tagtree_enter(&tc):ft_enter(&tc)) #else switch (ft_enter(&tc)) #endif { case GO_TO_FILEBROWSER: reload_dir = true; break; case GO_TO_WPS: return GO_TO_WPS; #if CONFIG_TUNER case GO_TO_FM: return GO_TO_FM; #endif case GO_TO_ROOT: exit_func = true; break; default: break; } restore = true; break; case ACTION_STD_CANCEL: if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) { exit_func = true; break; } if ((*tc.dirfilter == SHOW_ID3DB && tc.dirlevel == 0) || ((*tc.dirfilter != SHOW_ID3DB && !strcmp(currdir,"/")))) { #ifdef HAVE_LCD_BITMAP /* charcell doesnt have ACTION_TREE_PGLEFT so this isnt needed */ if (oldbutton == ACTION_TREE_PGLEFT) break; else #endif return GO_TO_ROOT; } #ifdef HAVE_TAGCACHE if (id3db) tagtree_exit(&tc); else #endif if (ft_exit(&tc) == 3) exit_func = true; restore = true; break; case ACTION_TREE_STOP: if (list_stop_handler()) restore = true; break; case ACTION_STD_MENU: return GO_TO_ROOT; break; #ifdef HAVE_RECORDING case ACTION_STD_REC: return GO_TO_RECSCREEN; #endif case ACTION_TREE_WPS: return GO_TO_PREVIOUS_MUSIC; break; #ifdef HAVE_QUICKSCREEN case ACTION_STD_QUICKSCREEN: /* don't enter f2 from plugin browser */ if (*tc.dirfilter < NUM_FILTER_MODES) { if (quick_screen_quick(button)) reload_dir = true; restore = true; } break; #endif #ifdef BUTTON_F3 case ACTION_F3: /* don't enter f3 from plugin browser */ if (*tc.dirfilter < NUM_FILTER_MODES) { if (quick_screen_f3(ACTION_F3)) reload_dir = true; restore = true; } break; #endif #ifdef HAVE_HOTKEY case ACTION_TREE_HOTKEY: if (!global_settings.hotkey_tree) break; /* fall through */ #endif case ACTION_STD_CONTEXT: { bool hotkey = button == ACTION_TREE_HOTKEY; int onplay_result; int attr = 0; if (tc.browse->flags & BROWSE_NO_CONTEXT_MENU) break; if(!numentries) onplay_result = onplay(NULL, 0, curr_context, hotkey); else { #ifdef HAVE_TAGCACHE if (id3db) { if (tagtree_get_attr(&tc) == FILE_ATTR_AUDIO) { attr = FILE_ATTR_AUDIO; tagtree_get_filename(&tc, buf, sizeof(buf)); } else attr = ATTR_DIRECTORY; } else #endif { struct entry *entry = tree_get_entry_at(&tc, tc.selected_item); attr = entry->attr; if (currdir[1]) /* Not in / */ snprintf(buf, sizeof buf, "%s/%s", currdir, entry->name); else /* In / */ snprintf(buf, sizeof buf, "/%s", entry->name); } onplay_result = onplay(buf, attr, curr_context, hotkey); } switch (onplay_result) { case ONPLAY_MAINMENU: return GO_TO_ROOT; case ONPLAY_OK: restore = true; break; case ONPLAY_RELOAD_DIR: reload_dir = true; break; case ONPLAY_START_PLAY: return GO_TO_WPS; break; } break; } #ifdef HAVE_HOTSWAP case SYS_FS_CHANGED: #ifdef HAVE_TAGCACHE if (!id3db) #endif reload_dir = true; /* The 'dir no longer valid' situation will be caught later * by checking the showdir() result. */ break; #endif default: if (default_event_handler(button) == SYS_USB_CONNECTED) { if(*tc.dirfilter > NUM_FILTER_MODES) /* leave sub-browsers after usb, doing otherwise might be confusing to the user */ exit_func = true; else reload_dir = true; } break; } if (start_wps) return GO_TO_WPS; if (button && !IS_SYSEVENT(button)) { storage_spin(); } check_rescan: /* do we need to rescan dir? */ if (reload_dir || reload_root || lastfilter != *tc.dirfilter || lastsortcase != global_settings.sort_case) { if (reload_root) { strcpy(currdir, "/"); tc.dirlevel = 0; #ifdef HAVE_TAGCACHE tc.currtable = 0; tc.currextra = 0; lasttable = -1; lastextra = -1; #endif reload_root = false; } if (!reload_dir) { gui_synclist_select_item(&tree_lists, 0); gui_synclist_draw(&tree_lists); tc.selected_item = 0; lastdir[0] = 0; } lastfilter = *tc.dirfilter; lastsortcase = global_settings.sort_case; restore = true; } if (exit_func) return GO_TO_PREVIOUS; if (restore || reload_dir) { /* restore display */ numentries = update_dir(); reload_dir = false; if (currdir[1] && (numentries < 0)) { /* not in root and reload failed */ reload_root = true; /* try root */ goto check_rescan; } } } return true; } bool create_playlist(void) { char filename[MAX_PATH]; if (tc.currdir[1]) snprintf(filename, sizeof filename, "%s.m3u8", tc.currdir); else snprintf(filename, sizeof filename, "%s/all.m3u8", catalog_get_directory()); if (kbd_input(filename, MAX_PATH)) return false; splashf(0, "%s %s", str(LANG_CREATING), filename); trigger_cpu_boost(); catalog_add_to_a_playlist(tc.currdir, ATTR_DIRECTORY, true, filename); cancel_cpu_boost(); return true; } void browse_context_init(struct browse_context *browse, int dirfilter, unsigned flags, char *title, enum themable_icons icon, const char *root, const char *selected) { browse->dirfilter = dirfilter; browse->flags = flags; browse->callback_show_item = NULL; browse->title = title; browse->icon = icon; browse->root = root; browse->selected = selected; browse->buf = NULL; browse->bufsize = 0; } #define NUM_TC_BACKUP 3 static struct tree_context backups[NUM_TC_BACKUP]; /* do not make backup if it is not recursive call */ static int backup_count = -1; int rockbox_browse(struct browse_context *browse) { static char current[MAX_PATH]; int ret_val = 0; int dirfilter = browse->dirfilter; if (backup_count >= NUM_TC_BACKUP) return GO_TO_PREVIOUS; if (backup_count >= 0) backups[backup_count] = tc; backup_count++; tc.dirfilter = &dirfilter; tc.sort_dir = global_settings.sort_dir; reload_dir = true; if (*tc.dirfilter >= NUM_FILTER_MODES) { int last_context; tc.browse = browse; tc.selected_item = 0; tc.dirlevel = 0; strlcpy(tc.currdir, browse->root, sizeof(tc.currdir)); start_wps = false; last_context = curr_context; if (browse->selected) { snprintf(current, sizeof(current), "%s/%s", browse->root, browse->selected); set_current_file(current); /* set_current_file changes dirlevel, change it back */ tc.dirlevel = 0; } ret_val = dirbrowse(); curr_context = last_context; } else { if (dirfilter != SHOW_ID3DB) tc.dirfilter = &global_settings.dirfilter; tc.browse = browse; strcpy(current, browse->root); set_current_file(current); ret_val = dirbrowse(); } backup_count--; if (backup_count >= 0) tc = backups[backup_count]; return ret_val; } static int move_callback(int handle, void* current, void* new) { struct tree_cache* cache = &tc.cache; if (cache->lock_count > 0) return BUFLIB_CB_CANNOT_MOVE; size_t diff = new - current; /* FIX_PTR makes sure to not accidentally update static allocations */ #define FIX_PTR(x) \ { if ((void*)x > current && (void*)x < (current+cache->name_buffer_size)) x+= diff; } if (handle == cache->name_buffer_handle) { /* update entry structs, *even if they are struct tagentry */ struct entry *this = core_get_data(cache->entries_handle); struct entry *last = this + cache->max_entries; for(; this < last; this++) FIX_PTR(this->name); } /* nothing to do if entries moved */ return BUFLIB_CB_OK; } static struct buflib_callbacks ops = { .move_callback = move_callback, .shrink_callback = NULL, }; void tree_mem_init(void) { /* initialize tree context struct */ struct tree_cache* cache = &tc.cache; memset(&tc, 0, sizeof(tc)); tc.dirfilter = &global_settings.dirfilter; tc.sort_dir = global_settings.sort_dir; cache->name_buffer_size = AVERAGE_FILENAME_LENGTH * global_settings.max_files_in_dir; cache->name_buffer_handle = core_alloc_ex("tree names", cache->name_buffer_size, &ops); cache->max_entries = global_settings.max_files_in_dir; cache->entries_handle = core_alloc_ex("tree entries", cache->max_entries*(sizeof(struct entry)), &ops); tree_get_filetypes(&filetypes, &filetypes_count); } bool bookmark_play(char *resume_file, int index, int offset, int seed, char *filename) { int i; char* suffix = strrchr(resume_file, '.'); bool started = false; if (suffix != NULL && (!strcasecmp(suffix, ".m3u") || !strcasecmp(suffix, ".m3u8"))) { /* Playlist playback */ char* slash; /* check that the file exists */ if(!file_exists(resume_file)) return false; slash = strrchr(resume_file,'/'); if (slash) { char* cp; *slash=0; cp=resume_file; if (!cp[0]) cp="/"; if (playlist_create(cp, slash+1) != -1) { if (global_settings.playlist_shuffle) playlist_shuffle(seed, -1); playlist_start(index,offset); started = true; } *slash='/'; } } else { /* Directory playback */ lastdir[0]='\0'; if (playlist_create(resume_file, NULL) != -1) { char filename_buf[MAX_PATH + 1]; const char* peek_filename; resume_directory(resume_file); if (global_settings.playlist_shuffle) playlist_shuffle(seed, -1); /* Check if the file is at the same spot in the directory, else search for it */ peek_filename = playlist_peek(index, filename_buf, sizeof(filename_buf)); if (peek_filename == NULL) { /* playlist has shrunk, search from the top */ index = 0; peek_filename = playlist_peek(index, filename_buf, sizeof(filename_buf)); if (peek_filename == NULL) return false; } if (strcmp(strrchr(peek_filename, '/') + 1, filename)) { for ( i=0; i < playlist_amount(); i++ ) { peek_filename = playlist_peek(i, filename_buf, sizeof(filename_buf)); if (peek_filename == NULL) return false; if (!strcmp(strrchr(peek_filename, '/') + 1, filename)) break; } if (i < playlist_amount()) index = i; else return false; } playlist_start(index,offset); started = true; } } if (started) start_wps = true; return started; } static void say_filetype(int attr) { /* try to find a voice ID for the extension, if known */ int j; attr &= FILE_ATTR_MASK; /* file type */ for (j=0; j= strlen(file_thumbnail_ext) && strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)], file_thumbnail_ext)) /* file has no .talk extension */ talk_file(dir, NULL, file, file_thumbnail_ext, NULL, false); else /* it already is a .talk file, play this directly, but prefix it. */ talk_file(dir, NULL, file, NULL, TALK_IDARRAY(LANG_VOICE_DIR_HOVER), false); } /* These two functions are called by the USB and shutdown handlers */ void tree_flush(void) { #ifdef HAVE_TAGCACHE tagcache_shutdown(); #endif #ifdef HAVE_TC_RAMCACHE tagcache_unload_ramcache(); #endif #ifdef HAVE_DIRCACHE { int old_val = global_status.dircache_size; if (global_settings.dircache) { if (!dircache_is_initializing()) global_status.dircache_size = dircache_get_cache_size(); # ifdef HAVE_EEPROM_SETTINGS if (firmware_settings.initialized) dircache_save(); # endif dircache_suspend(); } else { global_status.dircache_size = 0; } if (old_val != global_status.dircache_size) status_save(); } #endif } void tree_restore(void) { #ifdef HAVE_EEPROM_SETTINGS firmware_settings.disk_clean = false; #endif #ifdef HAVE_TC_RAMCACHE remove(TAGCACHE_STATEFILE); #endif #ifdef HAVE_DIRCACHE remove(DIRCACHE_FILE); if (global_settings.dircache) { /* Print "Scanning disk..." to the display. */ splash(0, str(LANG_SCANNING_DISK)); dircache_build(global_status.dircache_size); } #endif #ifdef HAVE_TAGCACHE tagcache_start_scan(); #endif }