apps/tree.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Daniel Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef _TREE_H_
  22 #define _TREE_H_
  23
  24 #include <stdbool.h>
  25 #include <applimits.h>
  26 #include <file.h>
  27
  28 struct entry {
  29     short attr; /* FAT attributes + file type flags */
  30     unsigned long time_write; /* Last write time */
  31     char *name;
  32 };
  33
  34
  35 /* browser context for file or db */
  36 struct tree_context {
  37     /* The directory we are browsing */
  38     char currdir[MAX_PATH];
  39     /* the number of directories we have crossed from / */
  40     int dirlevel;
  41     /* The currently selected file/id3dbitem index (old dircursor+dirfile) */
  42     int selected_item;
  43     /* The selected item in each directory crossed
  44      * (used when we want to return back to a previouws directory)*/
  45     int selected_item_history[MAX_DIR_LEVELS];
  46
  47     int firstpos; /* which dir entry is on first
  48                      position in dir buffer */
  49     int pos_history[MAX_DIR_LEVELS];
  50
  51     int *dirfilter; /* file use */
  52     int filesindir; /* The number of files in the dircache */
  53     int dirsindir; /* file use */
  54     int dirlength; /* total number of entries in dir, incl. those not loaded */
  55 #ifdef HAVE_TAGCACHE
  56     int table_history[MAX_DIR_LEVELS]; /* db use */
  57     int extra_history[MAX_DIR_LEVELS]; /* db use */
  58     int currtable; /* db use */
  59     int currextra; /* db use */
  60 #endif
  61     /* A big buffer with plenty of entry structs,
  62      * contains all files and dirs in the current
  63      * dir (with filters applied) */
  64     void* dircache;
  65     int dircache_size;
  66     char* name_buffer;
  67     int name_buffer_size;
  68     int dentry_size;
  69     bool dirfull;
  70     int sort_dir; /* directory sort order */
  71 };
  72
  73 void tree_mem_init(void);
  74 void tree_gui_init(void);
  75 void get_current_file(char* buffer, int buffer_len);
  76 void set_dirfilter(int l_dirfilter);
  77 void set_current_file(char *path);
  78 int rockbox_browse(const char *root, int dirfilter);
  79 bool create_playlist(void);
  80 void resume_directory(const char *dir);
  81 char *getcwd(char *buf, int size);
  82 void reload_directory(void);
  83 bool check_rockboxdir(void);
  84 struct tree_context* tree_get_context(void);
  85 void tree_flush(void);
  86 void tree_restore(void);
  87
  88 bool bookmark_play(char* resume_file, int index, int offset, int seed,
  89                    char *filename);
  90
  91 extern struct gui_synclist tree_lists;
  92 #endif