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rockbox/apps/filetree.c
Thomas Martitz ee6557eeda Remove a few superfluous calls and use the correct symbol. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23262 a1c6a512-1295-4272-9138-f99709370657
2009-10-19 16:12:42 +00:00

722 lines
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Björn 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 <stdlib.h>
#include <file.h>
#include <dir.h>
#include <string.h>
#include <kernel.h>
#include <lcd.h>
#include <debug.h>
#include <font.h>
#include <limits.h>
#include "bookmark.h"
#include "tree.h"
#include "settings.h"
#include "filetypes.h"
#include "talk.h"
#include "playlist.h"
#include "lang.h"
#include "language.h"
#include "screens.h"
#include "plugin.h"
#include "rolo.h"
#include "sprintf.h"
#include "splash.h"
#include "cuesheet.h"
#include "filetree.h"
#include "misc.h"
#include "strnatcmp.h"
#ifdef HAVE_LCD_BITMAP
#include "keyboard.h"
#endif
#if CONFIG_TUNER
#include "radio.h"
#endif
#include "wps.h"
#include "backdrop.h"
static int compare_sort_dir; /* qsort key for sorting directories */
int ft_build_playlist(struct tree_context* c, int start_index)
{
int i;
int start=start_index;
struct entry *dircache = c->dircache;
for(i = 0;i < c->filesindir;i++)
{
if((dircache[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
{
if (playlist_add(dircache[i].name) < 0)
break;
}
else
{
/* Adjust the start index when se skip non-MP3 entries */
if(i < start)
start_index--;
}
}
return start_index;
}
/* Start playback of a playlist, checking for bookmark autoload, modified
* playlists, etc., as required. Returns false if playback wasn't started,
* or started via bookmark autoload, true otherwise.
*
* Pointers to both the full pathname and the separated parts needed to
* avoid allocating yet another path buffer on the stack (and save some
* code; the caller typically needs to create the full pathname anyway)...
*/
bool ft_play_playlist(char* pathname, char* dirname, char* filename)
{
if (global_settings.party_mode && audio_status())
{
splash(HZ, ID2P(LANG_PARTY_MODE));
return false;
}
if (bookmark_autoload(pathname))
{
return false;
}
splash(0, ID2P(LANG_WAIT));
/* about to create a new current playlist...
allow user to cancel the operation */
if (!warn_on_pl_erase())
return false;
if (playlist_create(dirname, filename) != -1)
{
if (global_settings.playlist_shuffle)
{
playlist_shuffle(current_tick, -1);
}
playlist_start(0, 0);
return true;
}
return false;
}
/* walk a directory and check all dircache entries if a .talk file exists */
static void check_file_thumbnails(struct tree_context* c)
{
int i;
struct dirent *entry;
struct entry* dircache = c->dircache;
DIR *dir;
dir = opendir(c->currdir);
if(!dir)
return;
/* mark all files as non talking, except the .talk ones */
for (i=0; i < c->filesindir; i++)
{
if (dircache[i].attr & ATTR_DIRECTORY)
continue; /* we're not touching directories */
if (strcasecmp(file_thumbnail_ext,
&dircache[i].name[strlen(dircache[i].name)
- strlen(file_thumbnail_ext)]))
{ /* no .talk file */
dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
}
else
{ /* .talk file, we later let them speak themselves */
dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
}
}
while((entry = readdir(dir)) != 0) /* walk directory */
{
int ext_pos;
ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
if (ext_pos <= 0 /* too short to carry ".talk" */
|| (entry->attribute & ATTR_DIRECTORY) /* no file */
|| strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
{ /* or doesn't end with ".talk", no candidate */
continue;
}
/* terminate the (disposable) name in dir buffer,
this truncates off the ".talk" without needing an extra buffer */
entry->d_name[ext_pos] = '\0';
/* search corresponding file in dir cache */
for (i=0; i < c->filesindir; i++)
{
if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
{ /* match */
dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
break; /* exit search loop, because we found it */
}
}
}
closedir(dir);
}
/* support function for qsort() */
static int compare(const void* p1, const void* p2)
{
struct entry* e1 = (struct entry*)p1;
struct entry* e2 = (struct entry*)p2;
int criteria;
if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
{ /* two directories */
criteria = compare_sort_dir;
#ifdef HAVE_MULTIVOLUME
if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
{ /* a volume identifier is involved */
if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
criteria = SORT_ALPHA; /* two volumes: sort alphabetically */
else /* only one is a volume: volume first */
return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
}
#endif
}
else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
{ /* two files */
criteria = global_settings.sort_file;
}
else /* dir and file, dir goes first */
return (e2->attr & ATTR_DIRECTORY) - (e1->attr & ATTR_DIRECTORY);
switch(criteria)
{
case SORT_TYPE:
case SORT_TYPE_REVERSED:
{
int t1 = e1->attr & FILE_ATTR_MASK;
int t2 = e2->attr & FILE_ATTR_MASK;
if (!t1) /* unknown type */
t1 = INT_MAX; /* gets a high number, to sort after known */
if (!t2) /* unknown type */
t2 = INT_MAX; /* gets a high number, to sort after known */
if (t1 != t2) /* if different */
return (t1 - t2) * (criteria == SORT_TYPE_REVERSED ? -1 : 1);
/* else fall through to alphabetical sorting */
}
case SORT_DATE:
case SORT_DATE_REVERSED:
/* Ignore SORT_TYPE */
if (criteria == SORT_DATE || criteria == SORT_DATE_REVERSED)
{
if (e1->time_write != e2->time_write)
return (e1->time_write - e2->time_write)
* (criteria == SORT_DATE_REVERSED ? -1 : 1);
/* else fall through to alphabetical sorting */
}
case SORT_ALPHA:
case SORT_ALPHA_REVERSED:
{
if (global_settings.sort_case)
{
if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
return strnatcmp(e1->name, e2->name)
* (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
else
return strncmp(e1->name, e2->name, MAX_PATH)
* (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
}
else
{
if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
return strnatcasecmp(e1->name, e2->name)
* (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
else
return strncasecmp(e1->name, e2->name, MAX_PATH)
* (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
}
}
}
return 0; /* never reached */
}
/* load and sort directory into dircache. returns NULL on failure. */
int ft_load(struct tree_context* c, const char* tempdir)
{
int i;
int name_buffer_used = 0;
DIR *dir;
if (tempdir)
dir = opendir(tempdir);
else
dir = opendir(c->currdir);
if(!dir)
return -1; /* not a directory */
c->dirsindir = 0;
c->dirfull = false;
for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
int len;
struct dirent *entry = readdir(dir);
struct entry* dptr =
(struct entry*)(c->dircache + i * sizeof(struct entry));
if (!entry)
break;
len = strlen((char *)entry->d_name);
/* skip directories . and .. */
if ((entry->attribute & ATTR_DIRECTORY) &&
(((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
i--;
continue;
}
/* Skip FAT volume ID */
if (entry->attribute & ATTR_VOLUME_ID) {
i--;
continue;
}
/* filter out dotfiles and hidden files */
if (*c->dirfilter != SHOW_ALL &&
((entry->d_name[0]=='.') ||
(entry->attribute & ATTR_HIDDEN))) {
i--;
continue;
}
dptr->attr = entry->attribute;
/* check for known file types */
if ( !(dptr->attr & ATTR_DIRECTORY) )
dptr->attr |= filetype_get_attr((char *)entry->d_name);
/* filter out non-visible files */
if ((!(dptr->attr & ATTR_DIRECTORY) && (
(*c->dirfilter == SHOW_PLAYLIST &&
(dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
((*c->dirfilter == SHOW_MUSIC &&
(dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
(dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
(*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
(*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
#ifdef HAVE_LCD_BITMAP
(*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
(*c->dirfilter == SHOW_SBS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_SBS) ||
#endif
#ifdef HAVE_REMOTE_LCD
(*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
(*c->dirfilter == SHOW_RSBS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RSBS) ||
#endif
#if CONFIG_TUNER
(*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
#endif
(*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
(*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
(*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
(*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK))
{
i--;
continue;
}
if (len > c->name_buffer_size - name_buffer_used - 1) {
/* Tell the world that we ran out of buffer space */
c->dirfull = true;
break;
}
dptr->name = &c->name_buffer[name_buffer_used];
dptr->time_write =
(long)entry->wrtdate<<16 |
(long)entry->wrttime; /* in one # */
strcpy(dptr->name, (char *)entry->d_name);
name_buffer_used += len + 1;
if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
c->dirsindir++;
}
c->filesindir = i;
c->dirlength = i;
closedir(dir);
compare_sort_dir = c->sort_dir;
qsort(c->dircache,i,sizeof(struct entry),compare);
/* If thumbnail talking is enabled, make an extra run to mark files with
associated thumbnails, so we don't do unsuccessful spinups later. */
if (global_settings.talk_file_clip)
check_file_thumbnails(c); /* map .talk to ours */
return 0;
}
int ft_enter(struct tree_context* c)
{
int rc = 0;
char buf[MAX_PATH];
struct entry *dircache = c->dircache;
struct entry* file = &dircache[c->selected_item];
bool reload_dir = false;
bool start_wps = false;
bool exit_func = false;
if (c->currdir[1])
snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
else
snprintf(buf,sizeof(buf),"/%s",file->name);
if (file->attr & ATTR_DIRECTORY) {
memcpy(c->currdir, buf, sizeof(c->currdir));
if ( c->dirlevel < MAX_DIR_LEVELS )
c->selected_item_history[c->dirlevel] = c->selected_item;
c->dirlevel++;
c->selected_item=0;
}
else {
int seed = current_tick;
bool play = false;
int start_index=0;
switch ( file->attr & FILE_ATTR_MASK ) {
case FILE_ATTR_M3U:
play = ft_play_playlist(buf, c->currdir, file->name);
if (play)
{
start_index = 0;
}
break;
case FILE_ATTR_AUDIO:
if (bookmark_autoload(c->currdir))
break;
splash(0, ID2P(LANG_WAIT));
/* about to create a new current playlist...
allow user to cancel the operation */
if (!warn_on_pl_erase())
break;
if (global_settings.party_mode && audio_status())
{
playlist_insert_track(NULL, buf,
PLAYLIST_INSERT_LAST, true, true);
splash(HZ, ID2P(LANG_QUEUE_LAST));
}
else if (playlist_create(c->currdir, NULL) != -1)
{
start_index = ft_build_playlist(c, c->selected_item);
if (global_settings.playlist_shuffle)
{
start_index = playlist_shuffle(seed, start_index);
/* when shuffling dir.: play all files
even if the file selected by user is
not the first one */
if (!global_settings.play_selected)
start_index = 0;
}
playlist_start(start_index, 0);
play = true;
}
break;
#if CONFIG_TUNER
/* fmr preset file */
case FILE_ATTR_FMR:
splash(0, ID2P(LANG_WAIT));
/* Preset inside the default folder. */
if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
{
set_file(buf, global_settings.fmr_file, MAX_FILENAME);
radio_load_presets(global_settings.fmr_file);
if(!in_radio_screen())
radio_screen();
}
/*
* Preset outside default folder, we can choose such only
* if we are out of the radio screen, so the check for the
* radio status isn't neccessary
*/
else
{
radio_load_presets(buf);
radio_screen();
}
break;
#endif
#ifdef HAVE_LCD_BITMAP
case FILE_ATTR_SBS:
splash(0, ID2P(LANG_WAIT));
set_file(buf, (char *)global_settings.sbs_file,
MAX_FILENAME);
global_settings.statusbar = STATUSBAR_CUSTOM;
settings_apply_skins();
break;
#endif
#ifdef HAVE_REMOTE_LCD
case FILE_ATTR_RSBS:
splash(0, ID2P(LANG_WAIT));
set_file(buf, (char *)global_settings.rsbs_file,
MAX_FILENAME);
global_settings.remote_statusbar = STATUSBAR_CUSTOM;
settings_apply_skins();
break;
#endif
/* wps config file */
case FILE_ATTR_WPS:
splash(0, ID2P(LANG_WAIT));
#if LCD_DEPTH > 1
backdrop_unload(BACKDROP_SKIN_WPS);
#endif
set_file(buf, (char *)global_settings.wps_file,
MAX_FILENAME);
settings_apply_skins();
break;
#if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
/* remote-wps config file */
case FILE_ATTR_RWPS:
splash(0, ID2P(LANG_WAIT));
#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
remote_backdrop_unload(BACKDROP_SKIN_WPS);
#endif
set_file(buf, (char *)global_settings.rwps_file,
MAX_FILENAME);
settings_apply_skins();
break;
#endif
case FILE_ATTR_CFG:
splash(0, ID2P(LANG_WAIT));
if (!settings_load_config(buf,true))
break;
/* do both steps seperately so that the redrawing after theme
* changing is independant of whether the theme has a custom ui
* vp or not */
send_event(GUI_EVENT_REFRESH, NULL);
/* for the statusbar */
send_event(GUI_EVENT_ACTIONUPDATE, (void*)true);
tree_drawlists();
splash(HZ, ID2P(LANG_SETTINGS_LOADED));
break;
case FILE_ATTR_BMARK:
splash(0, ID2P(LANG_WAIT));
bookmark_load(buf, false);
reload_dir = true;
break;
case FILE_ATTR_LNG:
splash(0, ID2P(LANG_WAIT));
if (lang_core_load(buf))
{
splash(HZ, ID2P(LANG_FAILED));
break;
}
set_file(buf, (char *)global_settings.lang_file,
MAX_FILENAME);
talk_init(); /* use voice of same language */
viewportmanager_theme_changed(THEME_LANGUAGE);
splash(HZ, ID2P(LANG_LANGUAGE_LOADED));
break;
#ifdef HAVE_LCD_BITMAP
case FILE_ATTR_FONT:
splash(0, ID2P(LANG_WAIT));
font_load(buf);
set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
break;
case FILE_ATTR_KBD:
splash(0, ID2P(LANG_WAIT));
if (!load_kbd(buf))
splash(HZ, ID2P(LANG_KEYBOARD_LOADED));
set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
break;
#endif
#ifndef SIMULATOR
/* firmware file */
case FILE_ATTR_MOD:
splash(0, ID2P(LANG_WAIT));
rolo_load(buf);
break;
#endif
/* plugin file */
case FILE_ATTR_ROCK:
{
int ret;
if (global_settings.party_mode && audio_status()) {
splash(HZ, ID2P(LANG_PARTY_MODE));
break;
}
ret = plugin_load(buf,NULL);
switch (ret)
{
case PLUGIN_GOTO_WPS:
play = true;
break;
case PLUGIN_USB_CONNECTED:
if(*c->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;
/*
case PLUGIN_ERROR:
case PLUGIN_OK:
*/
default:
break;
}
break;
}
case FILE_ATTR_CUE:
display_cuesheet_content(buf);
break;
default:
{
const char* plugin;
if (global_settings.party_mode && audio_status()) {
splash(HZ, ID2P(LANG_PARTY_MODE));
break;
}
plugin = filetype_get_plugin(file);
if (plugin)
{
switch (plugin_load(plugin,buf))
{
case PLUGIN_USB_CONNECTED:
reload_dir = true;
break;
case PLUGIN_GOTO_WPS:
play = true;
break;
/*
case PLUGIN_OK:
case PLUGIN_ERROR:
*/
default:
break;
}
}
break;
}
}
send_event(GUI_EVENT_REFRESH, tree_drawlists);
if ( play ) {
/* the resume_index must always be the index in the
shuffled list in case shuffle is enabled */
global_status.resume_index = start_index;
global_status.resume_offset = 0;
status_save();
start_wps = true;
}
else {
if (*c->dirfilter > NUM_FILTER_MODES &&
*c->dirfilter != SHOW_CFG &&
*c->dirfilter != SHOW_FONT &&
*c->dirfilter != SHOW_PLUGINS)
{
exit_func = true;
}
}
}
if (reload_dir)
rc = 1;
if (start_wps)
rc = 2;
if (exit_func)
rc = 3;
return rc;
}
int ft_exit(struct tree_context* c)
{
extern char lastfile[]; /* from tree.c */
char buf[MAX_PATH];
int rc = 0;
bool exit_func = false;
int i = strlen(c->currdir);
if (i>1) {
while (c->currdir[i-1]!='/')
i--;
strcpy(buf,&c->currdir[i]);
if (i==1)
c->currdir[i]=0;
else
c->currdir[i-1]=0;
if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
exit_func = true;
c->dirlevel--;
if ( c->dirlevel < MAX_DIR_LEVELS )
c->selected_item=c->selected_item_history[c->dirlevel];
else
c->selected_item=0;
/* if undefined position */
if (c->selected_item == -1)
strcpy(lastfile, buf);
}
else
{
if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
exit_func = true;
}
if (exit_func)
rc = 3;
return rc;
}
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