51782eb436
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1445 a1c6a512-1295-4272-9138-f99709370657
540 lines
18 KiB
C
540 lines
18 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Daniel Stenberg
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include "dir.h"
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#include "file.h"
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#include "lcd.h"
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#include "button.h"
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#include "kernel.h"
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#include "usb.h"
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#include "tree.h"
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#include "main_menu.h"
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#include "sprintf.h"
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#include "mpeg.h"
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#include "playlist.h"
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#include "menu.h"
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#include "wps.h"
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#include "settings.h"
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#include "status.h"
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#include "debug.h"
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#ifdef HAVE_LCD_BITMAP
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#include "icons.h"
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#endif
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#define MAX_FILES_IN_DIR 200
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#define TREE_MAX_FILENAMELEN MAX_PATH
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#define MAX_DIR_LEVELS 10
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struct entry {
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char attr; /* FAT attributes */
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char name[TREE_MAX_FILENAMELEN];
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};
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static struct entry dircache[MAX_FILES_IN_DIR];
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static struct entry* dircacheptr[MAX_FILES_IN_DIR];
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static int filesindir;
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static char lastdir[MAX_PATH] = {0};
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void browse_root(void)
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{
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dirbrowse("/");
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}
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#ifdef HAVE_LCD_BITMAP
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#define TREE_MAX_ON_SCREEN ((LCD_HEIGHT-MARGIN_Y)/LINE_HEIGTH)
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#define TREE_MAX_LEN_DISPLAY 16 /* max length that fits on screen */
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#define MARGIN_Y 0 /* Y pixel margin */
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#define MARGIN_X 12 /* X pixel margin */
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#define LINE_Y 0 /* Y position the entry-list starts at */
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#define LINE_X 2 /* X position the entry-list starts at */
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#define LINE_HEIGTH 8 /* pixels for each text line */
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#define CURSOR_Y 0 /* the cursor is not positioned in regard to
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the margins, so this is the amount of lines
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we add to the cursor Y position to position
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it on a line */
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extern unsigned char bitmap_icons_6x8[LastIcon][6];
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#else /* HAVE_LCD_BITMAP */
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#define TREE_MAX_ON_SCREEN 2
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#define TREE_MAX_LEN_DISPLAY 11 /* max length that fits on screen */
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#define LINE_Y 0 /* Y position the entry-list starts at */
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#define LINE_X 1 /* X position the entry-list starts at */
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#define CURSOR_Y 0 /* not really used for players */
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#endif /* HAVE_LCD_BITMAP */
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#ifdef HAVE_RECORDER_KEYPAD
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#define TREE_NEXT BUTTON_DOWN
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#define TREE_PREV BUTTON_UP
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#define TREE_EXIT BUTTON_LEFT
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#define TREE_ENTER BUTTON_RIGHT
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#define TREE_MENU BUTTON_F1
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#else
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#define TREE_NEXT BUTTON_RIGHT
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#define TREE_PREV BUTTON_LEFT
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#define TREE_EXIT BUTTON_STOP
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#define TREE_ENTER BUTTON_PLAY
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#define TREE_MENU BUTTON_MENU
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#endif /* HAVE_RECORDER_KEYPAD */
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#define TREE_ATTR_M3U 0x80 /* unused by FAT attributes */
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#define TREE_ATTR_MP3 0x40 /* unused by FAT attributes */
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static int compare(const void* p1, const void* p2)
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{
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struct entry* e1 = *(struct entry**)p1;
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struct entry* e2 = *(struct entry**)p2;
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if (( e1->attr & ATTR_DIRECTORY ) == ( e2->attr & ATTR_DIRECTORY ))
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if (global_settings.sort_case)
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return strncmp(e1->name, e2->name, TREE_MAX_FILENAMELEN);
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else
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return strncasecmp(e1->name, e2->name, TREE_MAX_FILENAMELEN);
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else
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return ( e2->attr & ATTR_DIRECTORY ) - ( e1->attr & ATTR_DIRECTORY );
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}
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static int showdir(char *path, int start)
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{
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#ifdef HAVE_LCD_BITMAP
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int icon_type = 0;
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#endif
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int i;
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/* new dir? cache it */
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if (strncmp(path,lastdir,sizeof(lastdir))) {
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DIR *dir = opendir(path);
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if(!dir)
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return -1; /* not a directory */
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memset(dircacheptr,0,sizeof(dircacheptr));
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for ( i=0; i<MAX_FILES_IN_DIR; i++ ) {
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int len;
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struct dirent *entry = readdir(dir);
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struct entry* dptr = &dircache[i];
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if (!entry)
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break;
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/* skip directories . and .. */
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if ((entry->attribute & ATTR_DIRECTORY) &&
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(!strncmp(entry->d_name, ".", 1) ||
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!strncmp(entry->d_name, "..", 2))) {
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i--;
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continue;
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}
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dptr->attr = entry->attribute;
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len = strlen(entry->d_name);
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/* mark mp3 and m3u files as such */
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if ( !(dptr->attr & ATTR_DIRECTORY) && (len > 4) ) {
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if (!strcasecmp(&entry->d_name[len-4], ".mp3"))
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dptr->attr |= TREE_ATTR_MP3;
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else
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if (!strcasecmp(&entry->d_name[len-4], ".m3u"))
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dptr->attr |= TREE_ATTR_M3U;
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}
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/* filter hidden files and directories and non-mp3 or m3u files */
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if ( global_settings.mp3filter &&
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((dptr->attr & ATTR_HIDDEN) ||
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!(dptr->attr & (ATTR_DIRECTORY|TREE_ATTR_MP3|TREE_ATTR_M3U))) ) {
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i--;
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continue;
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}
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strncpy(dptr->name,entry->d_name,TREE_MAX_FILENAMELEN);
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dptr->name[TREE_MAX_FILENAMELEN-1]=0;
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dircacheptr[i] = dptr;
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}
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filesindir = i;
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closedir(dir);
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strncpy(lastdir,path,sizeof(lastdir));
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lastdir[sizeof(lastdir)-1] = 0;
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qsort(dircacheptr,filesindir,sizeof(struct entry*),compare);
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}
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lcd_stop_scroll();
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#ifdef HAVE_NEW_CHARCELL_LCD
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lcd_double_height(false);
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#endif
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lcd_clear_display();
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#ifdef HAVE_LCD_BITMAP
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lcd_setmargins(0,MARGIN_Y);
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lcd_setfont(0);
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#endif
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for ( i=start; i < start+TREE_MAX_ON_SCREEN; i++ ) {
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int len;
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if ( i >= filesindir )
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break;
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len = strlen(dircacheptr[i]->name);
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#ifdef HAVE_LCD_BITMAP
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if ( dircacheptr[i]->attr & ATTR_DIRECTORY )
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icon_type = Folder;
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else {
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if ( dircacheptr[i]->attr & TREE_ATTR_M3U )
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icon_type = Playlist;
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else
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icon_type = File;
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}
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lcd_bitmap(bitmap_icons_6x8[icon_type],
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6, MARGIN_Y+(i-start)*LINE_HEIGTH, 6, 8, true);
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#endif
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/* if MP3 filter is on, cut off the extension */
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if (global_settings.mp3filter &&
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(dircacheptr[i]->attr & (TREE_ATTR_M3U|TREE_ATTR_MP3)))
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{
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char temp = dircacheptr[i]->name[len-4];
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dircacheptr[i]->name[len-4] = 0;
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lcd_puts(LINE_X, LINE_Y+i-start, dircacheptr[i]->name);
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dircacheptr[i]->name[len-4] = temp;
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}
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else
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lcd_puts(LINE_X, LINE_Y+i-start, dircacheptr[i]->name);
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}
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status_draw();
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return filesindir;
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}
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static int numentries=0;
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static int dircursor=0;
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static int start=0;
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static int dirpos[MAX_DIR_LEVELS];
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static int cursorpos[MAX_DIR_LEVELS];
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static int dirlevel=0;
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static int play_mode = 0;
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static char currdir[MAX_PATH];
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/* QUICK HACK! this should be handled by the playlist code later */
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char* peek_next_track(int steps)
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{
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static char buf[MAX_PATH];
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switch(play_mode) {
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case 1:
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/* play-full-dir mode */
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/* get next track in dir */
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if ( steps == 1 ) {
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while (dircursor + start + 1 < numentries ) {
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if(dircursor+1 < TREE_MAX_ON_SCREEN)
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dircursor++;
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else
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start++;
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if ( dircacheptr[dircursor+start]->attr & TREE_ATTR_MP3 ) {
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snprintf(buf,sizeof buf,"%s/%s",
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currdir, dircacheptr[dircursor+start]->name );
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return buf;
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}
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}
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}
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else {
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while (dircursor + start > 0) {
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if (dircursor > 0)
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dircursor--;
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else
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start--;
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if ( dircacheptr[dircursor+start]->attr & TREE_ATTR_MP3 ) {
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snprintf(buf, sizeof(buf), "%s/%s",
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currdir, dircacheptr[dircursor+start]->name);
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return buf;
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}
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}
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}
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break;
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case 2:
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/* playlist mode */
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return playlist_next(steps, currdir);
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}
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return NULL;
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}
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bool dirbrowse(char *root)
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{
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char buf[MAX_PATH];
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int i;
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int rc;
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memcpy(currdir,root,sizeof(currdir));
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numentries = showdir(root, start);
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if (numentries == -1)
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return -1; /* root is not a directory */
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put_cursorxy(0, CURSOR_Y + dircursor, true);
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while(1) {
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bool restore = false;
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if ( numentries ) {
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i = start+dircursor;
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/* if MP3 filter is on, cut off the extension */
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if (global_settings.mp3filter &&
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(dircacheptr[i]->attr &
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(TREE_ATTR_M3U|TREE_ATTR_MP3)))
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{
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int len = strlen(dircacheptr[i]->name);
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char temp = dircacheptr[i]->name[len-4];
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dircacheptr[i]->name[len-4] = 0;
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lcd_puts_scroll(LINE_X, LINE_Y+dircursor,
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dircacheptr[i]->name);
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dircacheptr[i]->name[len-4] = temp;
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}
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else
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lcd_puts_scroll(LINE_X, LINE_Y+dircursor,
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dircacheptr[i]->name);
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}
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lcd_update();
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switch ( button_get(true) ) {
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case TREE_EXIT:
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if ( play_mode == 1 )
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play_mode = 0;
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i=strlen(currdir);
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if (i>1) {
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while (currdir[i-1]!='/')
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i--;
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strcpy(buf,&currdir[i]);
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if (i==1)
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currdir[i]=0;
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else
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currdir[i-1]=0;
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dirlevel--;
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if ( dirlevel < MAX_DIR_LEVELS ) {
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start = dirpos[dirlevel];
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dircursor = cursorpos[dirlevel];
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}
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else
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start = dircursor = 0;
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restore = true;
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}
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else {
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mpeg_stop();
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play_mode = 0;
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status_set_playmode(STATUS_STOP);
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}
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break;
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case TREE_ENTER:
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#ifdef HAVE_RECORDER_KEYPAD
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case BUTTON_PLAY:
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#endif
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if ( !numentries )
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break;
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if ((currdir[0]=='/') && (currdir[1]==0)) {
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snprintf(buf,sizeof(buf),"%s%s",currdir,
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dircacheptr[dircursor+start]->name);
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} else {
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snprintf(buf,sizeof(buf),"%s/%s",currdir,
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dircacheptr[dircursor+start]->name);
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}
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if (dircacheptr[dircursor+start]->attr & ATTR_DIRECTORY) {
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if ( play_mode == 1 )
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play_mode = 0;
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memcpy(currdir,buf,sizeof(currdir));
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if ( dirlevel < MAX_DIR_LEVELS ) {
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dirpos[dirlevel] = start;
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cursorpos[dirlevel] = dircursor;
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}
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dirlevel++;
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dircursor=0;
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start=0;
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} else {
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lcd_stop_scroll();
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if(dircacheptr[dircursor+start]->attr & TREE_ATTR_M3U )
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{
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play_mode = 2;
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play_list(currdir, dircacheptr[dircursor+start]->name);
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status_set_playmode(STATUS_PLAY);
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}
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else {
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play_mode = 1;
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mpeg_play(buf);
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status_set_playmode(STATUS_PLAY);
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}
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status_draw();
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lcd_stop_scroll();
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rc = wps_show();
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if(rc == SYS_USB_CONNECTED)
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{
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/* Force a re-read of the root directory */
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strcpy(currdir, "/");
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lastdir[0] = 0;
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dirlevel = 0;
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dircursor = 0;
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start = 0;
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play_mode = 0;
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}
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}
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restore = true;
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break;
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case TREE_PREV:
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if(filesindir)
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{
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if(dircursor) {
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, false);
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dircursor--;
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
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}
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else {
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if (start) {
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start--;
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numentries = showdir(currdir, start);
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
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}
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else {
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if (numentries < TREE_MAX_ON_SCREEN) {
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor,
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false);
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dircursor = numentries - 1;
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor,
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true);
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}
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else {
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start = numentries - TREE_MAX_ON_SCREEN;
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dircursor = TREE_MAX_ON_SCREEN - 1;
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numentries = showdir(currdir, start);
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put_cursorxy(0, CURSOR_Y + LINE_Y +
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TREE_MAX_ON_SCREEN - 1, true);
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}
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}
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}
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lcd_update();
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}
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break;
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case TREE_NEXT:
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if(filesindir)
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{
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if (dircursor + start + 1 < numentries ) {
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if(dircursor+1 < TREE_MAX_ON_SCREEN) {
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor,
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false);
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dircursor++;
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
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}
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else {
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start++;
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numentries = showdir(currdir, start);
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
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}
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}
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else {
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if(numentries < TREE_MAX_ON_SCREEN) {
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor,
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false);
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start = dircursor = 0;
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
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}
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else {
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start = dircursor = 0;
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numentries = showdir(currdir, start);
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put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
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}
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}
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lcd_update();
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}
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break;
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case TREE_MENU: {
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bool lastfilter = global_settings.mp3filter;
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bool lastsortcase = global_settings.sort_case;
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lcd_stop_scroll();
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main_menu();
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/* do we need to rescan dir? */
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if ( lastfilter != global_settings.mp3filter ||
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lastsortcase != global_settings.sort_case)
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lastdir[0] = 0;
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restore = true;
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break;
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}
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case BUTTON_ON:
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if ( play_mode ) {
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lcd_stop_scroll();
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rc = wps_show();
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if(rc == SYS_USB_CONNECTED)
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{
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/* Force a re-read of the root directory */
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strcpy(currdir, "/");
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lastdir[0] = 0;
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dirlevel = 0;
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dircursor = 0;
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start = 0;
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play_mode = 0;
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}
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restore = true;
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}
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break;
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#ifndef SIMULATOR
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case SYS_USB_CONNECTED:
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/* Tell the USB thread that we are safe */
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DEBUGF("dirbrowse got SYS_USB_CONNECTED\n");
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usb_acknowledge(SYS_USB_CONNECTED_ACK);
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/* Wait until the USB cable is extracted again */
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usb_wait_for_disconnect(&button_queue);
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/* Force a re-read of the root directory */
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|
restore = true;
|
|
strcpy(currdir, "/");
|
|
lastdir[0] = 0;
|
|
dirlevel = 0;
|
|
dircursor = 0;
|
|
start = 0;
|
|
play_mode = 0;
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
if ( restore ) {
|
|
/* restore display */
|
|
numentries = showdir(currdir, start);
|
|
put_cursorxy(0, CURSOR_Y + LINE_Y+dircursor, true);
|
|
}
|
|
|
|
lcd_stop_scroll();
|
|
}
|
|
|
|
return false;
|
|
}
|