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rockbox/apps/tree.c
Jens Arnold 54d43ef0c1 Hotswap support in file browser: Don't reload the root dir if not in the root and the current path is still valid. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6405 a1c6a512-1295-4272-9138-f99709370657
2005-05-05 00:27:41 +00:00

1615 lines
46 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Daniel Stenberg
*
* 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 <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include "applimits.h"
#include "dir.h"
#include "file.h"
#include "lcd.h"
#include "font.h"
#include "backlight.h"
#include "button.h"
#include "kernel.h"
#include "usb.h"
#include "tree.h"
#include "main_menu.h"
#include "sprintf.h"
#include "audio.h"
#include "playlist.h"
#include "menu.h"
#include "wps.h"
#include "wps-display.h"
#include "settings.h"
#include "status.h"
#include "debug.h"
#include "ata.h"
#include "rolo.h"
#include "icons.h"
#include "lang.h"
#include "language.h"
#include "screens.h"
#include "keyboard.h"
#include "bookmark.h"
#include "onplay.h"
#include "buffer.h"
#include "plugin.h"
#include "power.h"
#include "action.h"
#include "talk.h"
#include "filetypes.h"
#include "misc.h"
#include "filetree.h"
#include "dbtree.h"
#include "recorder/recording.h"
#include "rtc.h"
#ifdef HAVE_LCD_BITMAP
#include "widgets.h"
#endif
/* a table for the know file types */
const struct filetype filetypes[] = {
{ ".mp3", TREE_ATTR_MPA, File, VOICE_EXT_MPA },
{ ".mp2", TREE_ATTR_MPA, File, VOICE_EXT_MPA },
{ ".mpa", TREE_ATTR_MPA, File, VOICE_EXT_MPA },
#if CONFIG_HWCODEC == MASNONE
/* Temporary hack to allow playlist creation */
{ ".ogg", TREE_ATTR_MPA, File, VOICE_EXT_MPA },
{ ".wma", TREE_ATTR_MPA, File, VOICE_EXT_MPA },
{ ".wav", TREE_ATTR_MPA, File, VOICE_EXT_MPA },
#endif
{ ".m3u", TREE_ATTR_M3U, Playlist, LANG_PLAYLIST },
{ ".cfg", TREE_ATTR_CFG, Config, VOICE_EXT_CFG },
{ ".wps", TREE_ATTR_WPS, Wps, VOICE_EXT_WPS },
{ ".lng", TREE_ATTR_LNG, Language, LANG_LANGUAGE },
{ ".rock",TREE_ATTR_ROCK,Plugin, VOICE_EXT_ROCK },
#ifdef HAVE_LCD_BITMAP
{ ".fnt", TREE_ATTR_FONT,Font, VOICE_EXT_FONT },
#endif
{ ".bmark",TREE_ATTR_BMARK, Bookmark, VOICE_EXT_BMARK },
#ifdef BOOTFILE_EXT
{ BOOTFILE_EXT, TREE_ATTR_MOD, Mod_Ajz, VOICE_EXT_AJZ },
#endif /* #ifndef SIMULATOR */
};
static struct tree_context tc;
bool boot_changed = false;
char lastfile[MAX_PATH];
static char lastdir[MAX_PATH];
static int lasttable, lastextra, lastfirstpos;
static int max_files = 0;
static bool reload_dir = false;
static bool start_wps = false;
static bool dirbrowse(void);
bool check_rockboxdir(void)
{
DIR *dir = opendir(ROCKBOX_DIR);
if(!dir)
{
lcd_clear_display();
splash(HZ*2, true, str(LANG_NO_ROCKBOX_DIR));
lcd_clear_display();
splash(HZ*2, true, str(LANG_INSTALLATION_INCOMPLETE));
return false;
}
closedir(dir);
return true;
}
void browse_root(void)
{
filetype_init();
check_rockboxdir();
strcpy(tc.currdir, "/");
#ifndef SIMULATOR
dirbrowse();
#else
if (!dirbrowse()) {
DEBUGF("No filesystem found. Have you forgotten to create it?\n");
}
#endif
}
void tree_get_filetypes(const struct filetype** types, int* count)
{
*types = filetypes;
*count = sizeof(filetypes) / sizeof(*filetypes);
}
struct tree_context* tree_get_context(void)
{
return &tc;
}
#ifdef HAVE_LCD_BITMAP
/* pixel margins */
#define MARGIN_X (global_settings.scrollbar && \
tc.filesindir > tree_max_on_screen ? SCROLLBAR_WIDTH : 0) + \
CURSOR_WIDTH + (global_settings.show_icons && ICON_WIDTH > 0 ? ICON_WIDTH :0)
#define MARGIN_Y (global_settings.statusbar ? STATUSBAR_HEIGHT : 0)
/* position the entry-list starts at */
#define LINE_X 0
#define LINE_Y (global_settings.statusbar ? 1 : 0)
#define CURSOR_X (global_settings.scrollbar && \
tc.filesindir > tree_max_on_screen ? 1 : 0)
#define CURSOR_Y 0 /* the cursor is not positioned in regard to
the margins, so this is the amount of lines
we add to the cursor Y position to position
it on a line */
#define CURSOR_WIDTH (global_settings.invert_cursor ? 0 : 4)
#define ICON_WIDTH 6
#define SCROLLBAR_X 0
#define SCROLLBAR_Y lcd_getymargin()
#define SCROLLBAR_WIDTH 6
#else /* HAVE_LCD_BITMAP */
#define TREE_MAX_ON_SCREEN 2
#define TREE_MAX_LEN_DISPLAY 11 /* max length that fits on screen */
#define LINE_X 2 /* X position the entry-list starts at */
#define LINE_Y 0 /* Y position the entry-list starts at */
#define CURSOR_X 0
#define CURSOR_Y 0 /* not really used for players */
#endif /* HAVE_LCD_BITMAP */
/* talkbox hovering delay, to avoid immediate disk activity */
#define HOVER_DELAY (HZ/2)
static void showfileline(int line, char* name, int attr, bool scroll)
{
int xpos = LINE_X;
char* dotpos = NULL;
#ifdef HAVE_LCD_CHARCELLS
if (!global_settings.show_icons)
xpos--;
#endif
/* if any file filter is on, strip the extension */
if (*tc.dirfilter != SHOW_ID3DB &&
*tc.dirfilter != SHOW_ALL &&
!(attr & ATTR_DIRECTORY))
{
dotpos = strrchr(name, '.');
if (dotpos) {
*dotpos = 0;
}
}
if(scroll) {
#ifdef HAVE_LCD_BITMAP
lcd_setfont(FONT_UI);
if (global_settings.invert_cursor)
lcd_puts_scroll_style(xpos, line, name, STYLE_INVERT);
else
#endif
lcd_puts_scroll(xpos, line, name);
} else
lcd_puts(xpos, line, name);
/* Restore the dot before the extension if it was removed */
if (dotpos)
*dotpos = '.';
}
#ifdef HAVE_LCD_BITMAP
static int recalc_screen_height(void)
{
int fw, fh;
int height = LCD_HEIGHT;
lcd_setfont(FONT_UI);
lcd_getstringsize("A", &fw, &fh);
if(global_settings.statusbar)
height -= STATUSBAR_HEIGHT;
#if CONFIG_KEYPAD == RECORDER_PAD
if(global_settings.buttonbar)
height -= BUTTONBAR_HEIGHT;
#endif
return height / fh;
}
#endif
static int showdir(void)
{
struct entry *dircache = tc.dircache;
int i;
int tree_max_on_screen;
int start = tc.dirstart;
bool id3db = *tc.dirfilter == SHOW_ID3DB;
bool newdir = false;
#ifdef HAVE_LCD_BITMAP
const char* icon;
int line_height;
int fw, fh;
lcd_setfont(FONT_UI);
lcd_getstringsize("A", &fw, &fh);
tree_max_on_screen = recalc_screen_height();
line_height = fh;
#else
int icon;
tree_max_on_screen = TREE_MAX_ON_SCREEN;
#endif
/* new file dir? load it */
if (id3db) {
if (tc.currtable != lasttable ||
tc.currextra != lastextra ||
tc.firstpos != lastfirstpos)
{
if (db_load(&tc) < 0)
return -1;
lasttable = tc.currtable;
lastextra = tc.currextra;
lastfirstpos = tc.firstpos;
newdir = true;
}
}
else {
if (strncmp(tc.currdir, lastdir, sizeof(lastdir)) || reload_dir) {
if (ft_load(&tc, NULL) < 0)
return -1;
strcpy(lastdir, tc.currdir);
newdir = true;
}
}
if (newdir && !id3db &&
(tc.dirfull || tc.filesindir == global_settings.max_files_in_dir) )
{
#ifdef HAVE_LCD_CHARCELLS
lcd_double_height(false);
#endif
lcd_clear_display();
lcd_puts(0,0,str(LANG_SHOWDIR_ERROR_BUFFER));
lcd_puts(0,1,str(LANG_SHOWDIR_ERROR_FULL));
lcd_update();
sleep(HZ*2);
lcd_clear_display();
}
if (start == -1)
{
int diff_files;
/* use lastfile to determine start (default=0) */
start = 0;
for (i=0; i < tc.filesindir; i++)
{
struct entry *dircache = tc.dircache;
if (!strcasecmp(dircache[i].name, lastfile))
{
start = i;
break;
}
}
diff_files = tc.filesindir - start;
if (diff_files < tree_max_on_screen)
{
int oldstart = start;
start -= (tree_max_on_screen - diff_files);
if (start < 0)
start = 0;
tc.dircursor = oldstart - start;
}
tc.dirstart = start;
}
/* The cursor might point to an invalid line, for example if someone
deleted the last file in the dir */
if (tc.filesindir)
{
while (start + tc.dircursor >= tc.filesindir)
{
if (start)
start--;
else
if (tc.dircursor)
tc.dircursor--;
}
tc.dirstart = start;
}
#ifdef HAVE_LCD_CHARCELLS
lcd_stop_scroll();
lcd_double_height(false);
#endif
lcd_clear_display();
#ifdef HAVE_LCD_BITMAP
lcd_setmargins(MARGIN_X,MARGIN_Y); /* leave room for cursor and icon */
lcd_setfont(FONT_UI);
#endif
for ( i=start; i < start+tree_max_on_screen && i < tc.filesindir; i++ ) {
int line = i - start;
char* name;
int attr = 0;
if (id3db) {
name = ((char**)tc.dircache)[i * tc.dentry_size];
icon = db_get_icon(&tc);
}
else {
struct entry* dc = tc.dircache;
struct entry* e = &dc[i];
name = e->name;
attr = e->attr;
icon = filetype_get_icon(dircache[i].attr);
}
if (icon && global_settings.show_icons) {
#ifdef HAVE_LCD_BITMAP
int offset=0;
if ( line_height > 8 )
offset = (line_height - 8) / 2;
lcd_bitmap(icon,
CURSOR_X * 6 + CURSOR_WIDTH,
MARGIN_Y+(i-start)*line_height + offset,
6, 8, true);
#else
if (icon < 0 )
icon = Unknown;
lcd_putc(LINE_X-1, i-start, icon);
#endif
}
showfileline(line, name, attr, false); /* no scroll */
}
#ifdef HAVE_LCD_BITMAP
if (global_settings.scrollbar && (tc.dirlength > tree_max_on_screen))
scrollbar(SCROLLBAR_X, SCROLLBAR_Y, SCROLLBAR_WIDTH - 1,
tree_max_on_screen * line_height, tc.dirlength,
start + tc.firstpos,
start + tc.firstpos + tree_max_on_screen, VERTICAL);
#if CONFIG_KEYPAD == RECORDER_PAD
if(global_settings.buttonbar) {
buttonbar_set(*tc.dirfilter < NUM_FILTER_MODES ?
str(LANG_DIRBROWSE_F1) : (unsigned char *) "",
str(LANG_DIRBROWSE_F2),
str(LANG_DIRBROWSE_F3));
buttonbar_draw();
}
#endif
#endif
status_draw(true);
return tc.filesindir;
}
static bool ask_resume(bool ask_once)
{
int button;
bool stop = false;
static bool ignore_power = true;
#ifdef HAVE_LCD_CHARCELLS
lcd_double_height(false);
#endif
if (usb_detect()) {
default_event_handler(SYS_USB_CONNECTED);
return false;
}
#ifdef HAVE_ALARM_MOD
if ( rtc_check_alarm_started(true) ) {
rtc_enable_alarm(false);
return true;
}
#endif
/* always resume? */
if ( global_settings.resume == RESUME_ON)
return true;
lcd_clear_display();
lcd_puts(0,0,str(LANG_RESUME_ASK));
#ifdef HAVE_LCD_CHARCELLS
status_draw(false);
lcd_puts(0,1,str(LANG_RESUME_CONFIRM_PLAYER));
#else
lcd_puts(0,1,str(LANG_CONFIRM_WITH_PLAY_RECORDER));
lcd_puts(0,2,str(LANG_CANCEL_WITH_ANY_RECORDER));
#endif
lcd_update();
while (!stop) {
button = button_get(true);
switch (button) {
#ifdef TREE_RUN_PRE
case TREE_RUN_PRE: /* catch the press, not the release */
#else
case TREE_RUN:
#endif
#ifdef TREE_RC_RUN
case TREE_RC_RUN:
#endif
ignore_power = false;
/* Don't ignore the power button for subsequent calls */
return true;
#ifdef TREE_POWER_BTN
/* Initially ignore the button which powers on the box. It
might still be pressed since booting. */
case TREE_POWER_BTN:
case TREE_POWER_BTN | BUTTON_REPEAT:
if(!ignore_power)
stop = true;
break;
/* No longer ignore the power button after it was released */
case TREE_POWER_BTN | BUTTON_REL:
ignore_power = false;
break;
#endif
/* Handle sys events, ignore button releases */
default:
if(default_event_handler(button) == SYS_USB_CONNECTED ||
(!IS_SYSEVENT(button) && !(button & BUTTON_REL)))
stop = true;
break;
}
}
if ( global_settings.resume == RESUME_ASK_ONCE && ask_once) {
global_settings.resume_index = -1;
settings_save();
}
ignore_power = false;
/* Don't ignore the power button for subsequent calls */
return false;
}
/* load tracks from specified directory to resume play */
void resume_directory(const char *dir)
{
if (ft_load(&tc, dir) < 0)
return;
lastdir[0] = 0;
ft_build_playlist(&tc, 0);
}
/* Returns the current working directory and also writes cwd to buf if
non-NULL. In case of error, returns NULL. */
char *getcwd(char *buf, int size)
{
if (!buf)
return tc.currdir;
else if (size > 0)
{
strncpy(buf, tc.currdir, size);
return buf;
}
else
return NULL;
}
/* Force a reload of the directory next time directory browser is called */
void reload_directory(void)
{
reload_dir = true;
}
static void start_resume(bool ask_once)
{
if ( global_settings.resume &&
global_settings.resume_index != -1 ) {
DEBUGF("Resume index %X offset %X\n",
global_settings.resume_index,
global_settings.resume_offset);
if (!ask_resume(ask_once))
return;
if (playlist_resume() != -1)
{
playlist_start(global_settings.resume_index,
global_settings.resume_offset);
start_wps = true;
}
else
return;
}
}
void set_current_file(char *path)
{
char *name;
unsigned int i;
/* in ID3DB mode it is a bad idea to call this function */
/* (only happens with `follow playlist') */
if( *tc.dirfilter == SHOW_ID3DB )
{
return;
}
/* separate directory from filename */
name = strrchr(path+1,'/');
if (name)
{
*name = 0;
strcpy(tc.currdir, path);
*name = '/';
name++;
}
else
{
strcpy(tc.currdir, "/");
name = path+1;
}
strcpy(lastfile, name);
tc.dircursor = 0;
tc.dirstart = -1;
if (strncmp(tc.currdir,lastdir,sizeof(lastdir)))
{
tc.dirlevel = 0;
tc.dirpos[tc.dirlevel] = -1;
tc.cursorpos[tc.dirlevel] = 0;
/* use '/' to calculate dirlevel */
for (i=1; i<strlen(path)+1; i++)
{
if (path[i] == '/')
{
tc.dirlevel++;
tc.dirpos[tc.dirlevel] = -1;
tc.cursorpos[tc.dirlevel] = 0;
}
}
}
}
static bool check_changed_id3mode(bool currmode)
{
if (currmode != (global_settings.dirfilter == SHOW_ID3DB)) {
currmode = global_settings.dirfilter == SHOW_ID3DB;
if (currmode) {
db_load(&tc);
}
else
ft_load(&tc, NULL);
}
return currmode;
}
static void tree_prepare_usb(void *parameter)
{
(void) parameter;
tagdb_shutdown();
}
static bool dirbrowse(void)
{
int numentries=0;
char buf[MAX_PATH];
int i;
int lasti=-1;
unsigned button;
int tree_max_on_screen;
bool reload_root = false;
int lastfilter = *tc.dirfilter;
bool lastsortcase = global_settings.sort_case;
int lastdircursor=-1;
bool need_update = true;
bool exit_func = false;
long thumbnail_time = -1; /* for delaying a thumbnail */
bool update_all = false; /* set this to true when the whole file list
has been refreshed on screen */
unsigned lastbutton = 0;
char* currdir = tc.currdir; /* just a shortcut */
bool id3db = *tc.dirfilter == SHOW_ID3DB;
#ifdef HAVE_LCD_BITMAP
tree_max_on_screen = recalc_screen_height();
#else
tree_max_on_screen = TREE_MAX_ON_SCREEN;
#endif
tc.dircursor=0;
tc.dirstart=0;
tc.dirlevel=0;
tc.firstpos=0;
lasttable = -1;
lastextra = -1;
lastfirstpos = 0;
if (*tc.dirfilter < NUM_FILTER_MODES) {
start_resume(true);
#ifdef HAVE_RECORDING
#ifndef SIMULATOR
if (global_settings.rec_startup && ! start_wps) {
/* We fake being in the menu structure by calling the appropriate */
/* parent when we drop out of each screen */
recording_screen();
rec_menu();
main_menu();
}
#endif
#endif
}
if (!start_wps) {
numentries = showdir();
if (numentries == -1)
return false; /* currdir is not a directory */
if (*tc.dirfilter > NUM_FILTER_MODES && numentries==0)
{
splash(HZ*2, true, str(LANG_NO_FILES));
return false; /* No files found for rockbox_browser() */
}
update_all = true;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, true);
}
while(1) {
struct entry *dircache = tc.dircache;
bool restore = false;
button = button_get_w_tmo(HZ/5);
#ifdef BOOTFILE
if (boot_changed) {
bool stop = false;
unsigned int button;
lcd_clear_display();
lcd_puts(0,0,str(LANG_BOOT_CHANGED));
lcd_puts(0,1,str(LANG_REBOOT_NOW));
#ifdef HAVE_LCD_BITMAP
lcd_puts(0,3,str(LANG_CONFIRM_WITH_PLAY_RECORDER));
lcd_puts(0,4,str(LANG_CANCEL_WITH_ANY_RECORDER));
lcd_update();
#endif
while (!stop) {
button = button_get(true);
switch (button) {
case TREE_RUN:
rolo_load("/" BOOTFILE);
stop = true;
break;
default:
if(default_event_handler(button) ||
(button & BUTTON_REL))
stop = true;
break;
}
}
restore = true;
boot_changed = false;
}
#endif
switch ( button ) {
#ifdef TREE_ENTER
case TREE_ENTER:
case TREE_ENTER | BUTTON_REPEAT:
#endif
#ifdef TREE_RC_ENTER
case TREE_RC_ENTER:
#endif
case TREE_RUN:
#ifdef TREE_RUN_PRE
if ((button == TREE_RUN) &&
(lastbutton != TREE_RUN_PRE))
break;
#endif
if ( !numentries )
break;
if (id3db)
i = db_enter(&tc);
else
i = ft_enter(&tc);
switch (i)
{
case 1: reload_dir = true; break;
case 2: reload_root = true; break;
case 3: start_wps = true; break;
case 4: exit_func = true; break;
default: break;
}
#ifdef HAVE_LCD_BITMAP
/* maybe we have a new font */
tree_max_on_screen = recalc_screen_height();
#endif
/* make sure cursor is on screen */
while ( tc.dircursor > tree_max_on_screen )
{
tc.dircursor--;
tc.dirstart++;
}
restore = true;
break;
case TREE_EXIT:
case TREE_EXIT | BUTTON_REPEAT:
#ifdef TREE_RC_EXIT
case TREE_RC_EXIT:
#endif
if (*tc.dirfilter > NUM_FILTER_MODES && tc.dirlevel < 1) {
exit_func = true;
break;
}
if (!tc.dirlevel)
break;
if (id3db)
db_exit(&tc);
else
if (ft_exit(&tc) == 4)
exit_func = true;
restore = true;
break;
#ifdef TREE_OFF
#ifndef HAVE_SW_POWEROFF
case TREE_OFF:
if (*tc.dirfilter < NUM_FILTER_MODES)
{
/* Stop the music if it is playing, else show the shutdown
screen */
if(audio_status())
audio_stop();
else {
if (!charger_inserted()) {
shutdown_screen();
} else {
charging_splash();
}
restore = true;
}
}
break;
#endif
#ifndef IRIVER_H100
case TREE_OFF | BUTTON_REPEAT:
if (charger_inserted()) {
charging_splash();
restore = true;
}
break;
#endif
#endif
case TREE_PREV:
case TREE_PREV | BUTTON_REPEAT:
#ifdef TREE_RC_PREV
case TREE_RC_PREV:
case TREE_RC_PREV | BUTTON_REPEAT:
#endif
if (!tc.filesindir)
break;
if (tc.dircursor) {
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, false);
tc.dircursor--;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, true);
}
else {
if (tc.dirstart || tc.firstpos) {
if (tc.dirstart)
tc.dirstart--;
else {
if (tc.firstpos > max_files/2) {
tc.firstpos -= max_files/2;
tc.dirstart += max_files/2;
tc.dirstart--;
}
else {
tc.dirstart = tc.firstpos - 1;
tc.firstpos = 0;
}
}
restore = true;
}
else {
if (numentries < tree_max_on_screen) {
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor,
false);
tc.dircursor = numentries - 1;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor,
true);
}
else if (id3db && tc.dirfull) {
/* load last dir segment */
/* use max_files/2 in case names are longer than
AVERAGE_FILE_LENGTH */
tc.firstpos = tc.dirlength - max_files/2;
tc.dirstart = tc.firstpos;
tc.dircursor = tree_max_on_screen - 1;
numentries = showdir();
update_all = true;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor,
true);
}
else {
tc.dirstart = numentries - tree_max_on_screen;
tc.dircursor = tree_max_on_screen - 1;
restore = true;
}
}
}
need_update = true;
break;
case TREE_NEXT:
case TREE_NEXT | BUTTON_REPEAT:
#ifdef TREE_RC_NEXT
case TREE_RC_NEXT:
case TREE_RC_NEXT | BUTTON_REPEAT:
#endif
if (!tc.filesindir)
break;
if (tc.dircursor + tc.dirstart + 1 < numentries ) {
if(tc.dircursor+1 < tree_max_on_screen) {
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, false);
tc.dircursor++;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, true);
}
else {
tc.dirstart++;
restore = true;
}
}
else if (id3db && (tc.firstpos || tc.dirfull)) {
if (tc.dircursor + tc.dirstart + tc.firstpos + 1 >= tc.dirlength) {
/* wrap and load first dir segment */
tc.firstpos = tc.dirstart = tc.dircursor = 0;
}
else {
/* load next dir segment */
tc.firstpos += tc.dirstart;
tc.dirstart = 0;
}
restore = true;
}
else {
if(numentries < tree_max_on_screen) {
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, false);
tc.dirstart = tc.dircursor = 0;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, true);
}
else {
tc.dirstart = tc.dircursor = 0;
numentries = showdir();
update_all=true;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, true);
}
}
need_update = true;
break;
#ifdef TREE_PGUP
case TREE_PGUP:
case TREE_PGUP | BUTTON_REPEAT:
if (tc.dirstart) {
tc.dirstart -= tree_max_on_screen;
if ( tc.dirstart < 0 )
tc.dirstart = 0;
}
else if (tc.firstpos) {
if (tc.firstpos > max_files/2) {
tc.firstpos -= max_files/2;
tc.dirstart += max_files/2;
tc.dirstart -= tree_max_on_screen;
}
else {
tc.dirstart = tc.firstpos - tree_max_on_screen;
tc.firstpos = 0;
}
}
else
tc.dircursor = 0;
restore = true;
break;
case TREE_PGDN:
case TREE_PGDN | BUTTON_REPEAT:
if ( tc.dirstart < numentries - tree_max_on_screen ) {
tc.dirstart += tree_max_on_screen;
if ( tc.dirstart > numentries - tree_max_on_screen )
tc.dirstart = numentries - tree_max_on_screen;
}
else if (id3db && tc.dirfull) {
/* load next dir segment */
tc.firstpos += tc.dirstart;
tc.dirstart = 0;
}
else
tc.dircursor = numentries - tc.dirstart - 1;
restore = true;
break;
#endif
case TREE_MENU:
#ifdef TREE_MENU_PRE
if (lastbutton != TREE_MENU_PRE)
break;
#endif
/* don't enter menu from plugin browser */
if (*tc.dirfilter < NUM_FILTER_MODES)
{
lcd_stop_scroll();
if (main_menu())
reload_root = true;
restore = true;
id3db = check_changed_id3mode(id3db);
}
break;
case TREE_WPS:
#ifdef TREE_WPS_PRE
if (lastbutton != TREE_WPS_PRE)
break;
#endif
/* don't enter wps from plugin browser etc */
if (*tc.dirfilter < NUM_FILTER_MODES)
{
if (audio_status() & AUDIO_STATUS_PLAY)
{
start_wps=true;
}
else
{
start_resume(false);
restore = true;
}
}
break;
#ifdef BUTTON_F2
case BUTTON_F2:
/* don't enter f2 from plugin browser */
if (*tc.dirfilter < NUM_FILTER_MODES)
{
if (quick_screen(CONTEXT_TREE, BUTTON_F2))
reload_root = true;
restore = true;
id3db = check_changed_id3mode(id3db);
break;
}
case BUTTON_F3:
/* don't enter f3 from plugin browser */
if (*tc.dirfilter < NUM_FILTER_MODES)
{
if (quick_screen(CONTEXT_TREE, BUTTON_F3))
reload_root = true;
tree_max_on_screen = recalc_screen_height();
restore = true;
}
break;
#endif
case TREE_CONTEXT:
#ifdef TREE_CONTEXT2
case TREE_CONTEXT2:
#endif
{
int onplay_result;
int attr = 0;
if(!numentries)
onplay_result = onplay(NULL, 0);
else {
if (currdir[1])
snprintf(buf, sizeof buf, "%s/%s",
currdir, dircache[tc.dircursor+tc.dirstart].name);
else
snprintf(buf, sizeof buf, "/%s",
dircache[tc.dircursor+tc.dirstart].name);
if (!id3db)
attr = dircache[tc.dircursor+tc.dirstart].attr;
onplay_result = onplay(buf, attr);
}
switch (onplay_result)
{
case ONPLAY_OK:
restore = true;
break;
case ONPLAY_RELOAD_DIR:
reload_dir = true;
break;
case ONPLAY_START_PLAY:
start_wps = true;
break;
}
break;
}
case BUTTON_NONE:
if (thumbnail_time != -1 &&
TIME_AFTER(current_tick, thumbnail_time))
{ /* a delayed hovering thumbnail is due now */
int res;
if (dircache[lasti].attr & ATTR_DIRECTORY)
{
DEBUGF("Playing directory thumbnail: %s", currdir);
res = ft_play_dirname(lasti);
if (res < 0) /* failed, not existing */
{ /* say the number instead, as a fallback */
talk_id(VOICE_DIR, false);
talk_number(lasti+1, true);
}
}
else
{
DEBUGF("Playing file thumbnail: %s/%s%s\n",
currdir, dircache[lasti].name, file_thumbnail_ext);
/* no fallback necessary, we knew in advance
that the file exists */
ft_play_filename(currdir, dircache[lasti].name);
}
thumbnail_time = -1; /* job done */
}
status_draw(false);
break;
#ifdef HAVE_HOTSWAP
case SYS_FS_CHANGED:
if (!id3db) /* file browsing */
{
if (currdir[1]) /* not in the root */
{
DIR *dir = opendir(currdir);
if (dir) /* path still valid */
{
closedir(dir);
break; /* don't reload the root */
}
}
reload_root = true;
}
break;
#endif
default:
if (default_event_handler_ex(button, tree_prepare_usb, NULL)
== SYS_USB_CONNECTED)
{
tagdb_init(); /* re-init database */
if(*tc.dirfilter > NUM_FILTER_MODES)
/* leave sub-browsers after usb, doing otherwise
might be confusing to the user */
exit_func = true;
else
reload_root = true;
}
break;
}
if ( button )
{
ata_spin();
lastbutton = button;
}
if (start_wps)
{
lcd_stop_scroll();
if (wps_show() == SYS_USB_CONNECTED)
reload_root = true;
#ifdef HAVE_LCD_BITMAP
tree_max_on_screen = recalc_screen_height();
#endif
id3db = check_changed_id3mode(id3db);
restore = true;
start_wps=false;
}
/* 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;
tc.currtable = 0;
tc.currextra = 0;
lasttable = -1;
lastextra = -1;
reload_root = false;
}
if (! reload_dir )
{
tc.dircursor = 0;
tc.dirstart = 0;
lastdir[0] = 0;
}
lastfilter = *tc.dirfilter;
lastsortcase = global_settings.sort_case;
restore = true;
button_clear_queue(); /* clear button queue */
}
if (exit_func)
break;
if (restore || reload_dir) {
/* restore display */
#ifdef HAVE_LCD_BITMAP
tree_max_on_screen = recalc_screen_height();
#endif
/* We need to adjust if the number of lines on screen have
changed because of a status bar change */
if(CURSOR_Y+LINE_Y+tc.dircursor>tree_max_on_screen) {
tc.dirstart++;
tc.dircursor--;
}
#ifdef HAVE_LCD_BITMAP
/* the sub-screen might've ruined the margins */
lcd_setmargins(MARGIN_X,MARGIN_Y); /* leave room for cursor and
icon */
lcd_setfont(FONT_UI);
#endif
numentries = showdir();
update_all = true;
put_cursorxy(CURSOR_X, CURSOR_Y + tc.dircursor, true);
need_update = true;
reload_dir = false;
}
if ( numentries && need_update) {
i = tc.dirstart+tc.dircursor;
/* if MP3 filter is on, cut off the extension */
if(lasti!=i || restore) {
char* name;
int attr = 0;
if (id3db)
name = ((char**)tc.dircache)[lasti * tc.dentry_size];
else {
struct entry* dc = tc.dircache;
struct entry* e = &dc[lasti];
name = e->name;
attr = e->attr;
}
lcd_stop_scroll();
/* So if lastdircursor and dircursor differ, and then full
screen was not refreshed, restore the previous line */
if ((lastdircursor != tc.dircursor) && !update_all ) {
showfileline(lastdircursor, name, attr, false); /* no scroll */
}
lasti=i;
lastdircursor=tc.dircursor;
thumbnail_time = -1; /* cancel whatever we were about to say */
if (id3db)
name = ((char**)tc.dircache)[lasti * tc.dentry_size];
else {
struct entry* dc = tc.dircache;
struct entry* e = &dc[lasti];
name = e->name;
attr = e->attr;
}
showfileline(tc.dircursor, name, attr, true); /* scroll please */
need_update = true;
if (dircache[i].attr & ATTR_DIRECTORY) /* directory? */
{
/* play directory thumbnail */
switch (global_settings.talk_dir) {
case 1: /* dirs as numbers */
talk_id(VOICE_DIR, false);
talk_number(i+1, true);
break;
case 2: /* dirs spelled */
talk_spell(dircache[i].name, false);
break;
case 3: /* thumbnail clip */
/* "schedule" a thumbnail, to have a little dalay */
thumbnail_time = current_tick + HOVER_DELAY;
break;
default:
break;
}
}
else /* file */
{
switch (global_settings.talk_file) {
case 1: /* files as numbers */
ft_play_filenumber(i-tc.dirsindir+1,
dircache[i].attr & TREE_ATTR_MASK);
break;
case 2: /* files spelled */
talk_spell(dircache[i].name, false);
break;
case 3: /* thumbnail clip */
/* "schedule" a thumbnail, to have a little delay */
if (dircache[i].attr & TREE_ATTR_THUMBNAIL)
thumbnail_time = current_tick + HOVER_DELAY;
else
/* spell the number as fallback */
talk_spell(dircache[i].name, false);
break;
default:
break;
}
}
}
}
if(need_update) {
lcd_update();
need_update = false;
update_all = false;
}
}
return true;
}
static int plsize = 0;
static bool add_dir(char* dirname, int len, int fd)
{
bool abort = false;
DIR* dir;
/* check for user abort */
#ifdef BUTTON_STOP
if (button_get(false) == BUTTON_STOP)
#else
if (button_get(false) == BUTTON_OFF)
#endif
return true;
dir = opendir(dirname);
if(!dir)
return true;
while (true) {
struct dirent *entry;
entry = readdir(dir);
if (!entry)
break;
if (entry->attribute & ATTR_DIRECTORY) {
int dirlen = strlen(dirname);
bool result;
if (!strcmp(entry->d_name, ".") ||
!strcmp(entry->d_name, ".."))
continue;
if (dirname[1])
snprintf(dirname+dirlen, len-dirlen, "/%s", entry->d_name);
else
snprintf(dirname, len, "/%s", entry->d_name);
result = add_dir(dirname, len, fd);
dirname[dirlen] = '\0';
if (result) {
abort = true;
break;
}
}
else {
int x = strlen(entry->d_name);
if ((!strcasecmp(&entry->d_name[x-4], ".mp3")) ||
(!strcasecmp(&entry->d_name[x-4], ".mp2")) ||
(!strcasecmp(&entry->d_name[x-4], ".mpa")))
{
char buf[8];
write(fd, dirname, strlen(dirname));
write(fd, "/", 1);
write(fd, entry->d_name, x);
write(fd, "\n", 1);
plsize++;
snprintf(buf, sizeof buf, "%d", plsize);
#ifdef HAVE_LCD_BITMAP
lcd_puts(0,4,buf);
lcd_update();
#else
x = 10;
if (plsize > 999)
x=7;
else {
if (plsize > 99)
x=8;
else {
if (plsize > 9)
x=9;
}
}
lcd_puts(x,0,buf);
#endif
}
}
}
closedir(dir);
return abort;
}
bool create_playlist(void)
{
int fd;
char filename[MAX_PATH];
snprintf(filename, sizeof filename, "%s.m3u",
tc.currdir[1] ? tc.currdir : "/root");
lcd_clear_display();
lcd_puts(0,0,str(LANG_CREATING));
lcd_puts_scroll(0,1,filename);
lcd_update();
fd = creat(filename,0);
if (fd < 0)
return false;
snprintf(filename, sizeof(filename), "%s",
tc.currdir[1] ? tc.currdir : "/");
plsize = 0;
add_dir(filename, sizeof(filename), fd);
close(fd);
sleep(HZ);
return true;
}
bool rockbox_browse(const char *root, int dirfilter)
{
static struct tree_context backup;
backup = tc;
reload_dir = true;
memcpy(tc.currdir, root, sizeof(tc.currdir));
start_wps = false;
tc.dirfilter = &dirfilter;
dirbrowse();
tc = backup;
reload_dir = true;
return false;
}
void tree_init(void)
{
/* We copy the settings value in case it is changed by the user. We can't
use it until the next reboot. */
max_files = global_settings.max_files_in_dir;
/* initialize tree context struct */
memset(&tc, 0, sizeof(tc));
tc.dirfilter = &global_settings.dirfilter;
tagdb_init();
tc.name_buffer_size = AVERAGE_FILENAME_LENGTH * max_files;
tc.name_buffer = buffer_alloc(tc.name_buffer_size);
tc.dircache_size = max_files * sizeof(struct entry);
tc.dircache = buffer_alloc(tc.dircache_size);
}
void bookmark_play(char *resume_file, int index, int offset, int seed,
char *filename)
{
int i;
int len=strlen(resume_file);
if (!strcasecmp(&resume_file[len-4], ".m3u"))
{
/* Playlist playback */
char* slash;
// check that the file exists
int fd = open(resume_file, O_RDONLY);
if(fd<0)
return;
close(fd);
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);
}
*slash='/';
}
}
else
{
/* Directory playback */
lastdir[0]='\0';
if (playlist_create(resume_file, NULL) != -1)
{
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 */
if ((strcmp(strrchr(playlist_peek(index) + 1,'/') + 1,
filename)))
{
for ( i=0; i < playlist_amount(); i++ )
{
if ((strcmp(strrchr(playlist_peek(i) + 1,'/') + 1,
filename)) == 0)
break;
}
if (i < playlist_amount())
index = i;
else
return;
}
playlist_start(index,offset);
}
}
start_wps=true;
}
int ft_play_filenumber(int pos, int attr)
{
/* try to find a voice ID for the extension, if known */
unsigned int j;
int ext_id = -1; /* default to none */
for (j=0; j<sizeof(filetypes)/sizeof(*filetypes); j++)
{
if (attr == filetypes[j].tree_attr)
{
ext_id = filetypes[j].voiceclip;
break;
}
}
talk_id(VOICE_FILE, false);
talk_number(pos, true);
talk_id(ext_id, true);
return 1;
}
int ft_play_dirname(int start_index)
{
int fd;
char dirname_mp3_filename[MAX_PATH+1];
struct entry *dircache = tc.dircache;
if (audio_status() & AUDIO_STATUS_PLAY)
return 0;
snprintf(dirname_mp3_filename, sizeof(dirname_mp3_filename), "%s/%s/%s",
tc.currdir[1] ? tc.currdir : "" , dircache[start_index].name,
dir_thumbnail_name);
DEBUGF("Checking for %s\n", dirname_mp3_filename);
fd = open(dirname_mp3_filename, O_RDONLY);
if (fd < 0)
{
DEBUGF("Failed to find: %s\n", dirname_mp3_filename);
return -1;
}
close(fd);
DEBUGF("Found: %s\n", dirname_mp3_filename);
talk_file(dirname_mp3_filename, false);
return 1;
}
void ft_play_filename(char *dir, char *file)
{
char name_mp3_filename[MAX_PATH+1];
if (audio_status() & AUDIO_STATUS_PLAY)
return;
if (strcasecmp(&file[strlen(file) - strlen(file_thumbnail_ext)],
file_thumbnail_ext))
{ /* file has no .talk extension */
snprintf(name_mp3_filename, sizeof(name_mp3_filename),
"%s/%s%s", dir, file, file_thumbnail_ext);
talk_file(name_mp3_filename, false);
}
else
{ /* it already is a .talk file, play this directly */
snprintf(name_mp3_filename, sizeof(name_mp3_filename),
"%s/%s", dir, file);
talk_id(LANG_VOICE_DIR_HOVER, false); /* prefix it */
talk_file(name_mp3_filename, true);
}
}
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