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rockbox/apps/plugins/random_folder_advance_config.c
Nils Wallménius 3d4701a6e4 FS#10080 
* Move strncpy() from core to the pluginlib
* Introduce strlcpy() and use that instead in most places (use memcpy in a few) in core and some plugins
* Drop strncpy() from the codec api as no codec used it
* Bump codec and plugin api versions


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21863 a1c6a512-1295-4272-9138-f99709370657
2009-07-14 13:57:45 +00:00

625 lines
17 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Jonathan Gordon
*
* 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 "plugin.h"
#include "file.h"
PLUGIN_HEADER
static bool abort;
static int fd;
static int dirs_count;
static int lasttick;
#define RFA_FILE ROCKBOX_DIR "/folder_advance_list.dat"
#define RFADIR_FILE ROCKBOX_DIR "/folder_advance_dir.txt"
#define RFA_FILE_TEXT ROCKBOX_DIR "/folder_advance_list.txt"
#define MAX_REMOVED_DIRS 10
char *buffer = NULL;
ssize_t buffer_size;
int num_replaced_dirs = 0;
char removed_dirs[MAX_REMOVED_DIRS][MAX_PATH];
struct file_format {
int count;
char folder[][MAX_PATH];
};
struct file_format *list = NULL;
void update_screen(bool clear)
{
char buf[15];
int i;
rb->snprintf(buf,sizeof(buf),"Folders: %d",dirs_count);
FOR_NB_SCREENS(i)
{
if(clear)
rb->screens[i]->clear_display();
rb->screens[i]->putsxy(0,0,buf);
rb->screens[i]->update();
}
}
void traversedir(char* location, char* name)
{
struct dirent *entry;
DIR* dir;
char fullpath[MAX_PATH], path[MAX_PATH];
bool check = false;
int i;
rb->snprintf(fullpath, sizeof(fullpath), "%s/%s", location, name);
dir = rb->opendir(fullpath);
if (dir) {
entry = rb->readdir(dir);
while (entry) {
if (abort == true)
break;
/* Skip .. and . */
if (entry->d_name[0] == '.')
{
if ( !rb->strcmp(entry->d_name,".")
|| !rb->strcmp(entry->d_name,"..")
|| !rb->strcmp(entry->d_name,".rockbox"))
check = false;
else check = true;
}
else check = true;
/* check if path is removed directory, if so dont enter it */
rb->snprintf(path, MAX_PATH, "%s/%s", fullpath, entry->d_name);
while(path[0] == '/')
rb->strlcpy(path, path + 1, sizeof(path));
for(i = 0; i < num_replaced_dirs; i++)
{
if(!rb->strcmp(path, removed_dirs[i]))
{
check = false;
break;
}
}
if (check)
{
if (entry->attribute & ATTR_DIRECTORY) {
char *start;
dirs_count++;
rb->snprintf(path,MAX_PATH,"%s/%s",fullpath,entry->d_name);
start = &path[rb->strlen(path)];
rb->memset(start,0,&path[MAX_PATH-1]-start);
rb->write(fd,path,MAX_PATH);
traversedir(fullpath, entry->d_name);
}
}
if (*rb->current_tick - lasttick > (HZ/2)) {
update_screen(false);
lasttick = *rb->current_tick;
if (rb->action_userabort(TIMEOUT_NOBLOCK))
{
abort = true;
break;
}
}
entry = rb->readdir(dir);
}
rb->closedir(dir);
}
}
bool custom_dir(void)
{
DIR* dir_check;
char *starts, line[MAX_PATH], formatted_line[MAX_PATH];
static int fd2;
char buf[11];
int i, errors = 0;
/* populate removed dirs array */
if((fd2 = rb->open(RFADIR_FILE,O_RDONLY)) > 0)
{
while ((rb->read_line(fd2, line, MAX_PATH - 1)) > 0)
{
if ((line[0] == '-') && (line[1] == '/') &&
(num_replaced_dirs < MAX_REMOVED_DIRS))
{
num_replaced_dirs ++;
rb->strlcpy(removed_dirs[num_replaced_dirs - 1], line + 2,
sizeof(line));
}
}
rb->close(fd2);
}
if((fd2 = rb->open(RFADIR_FILE,O_RDONLY)) > 0)
{
while ((rb->read_line(fd2, line, MAX_PATH - 1)) > 0)
{
/* blank lines and removed dirs ignored */
if (rb->strlen(line) && ((line[0] != '-') || (line[1] != '/')))
{
/* remove preceeding '/'s from the line */
while(line[0] == '/')
rb->strlcpy(line, line + 1, sizeof(line));
rb->snprintf(formatted_line, MAX_PATH, "/%s", line);
dir_check = rb->opendir(formatted_line);
if (dir_check)
{
rb->closedir(dir_check);
starts = &formatted_line[rb->strlen(formatted_line)];
rb->memset(starts, 0, &formatted_line[MAX_PATH-1]-starts);
bool write_line = true;
for(i = 0; i < num_replaced_dirs; i++)
{
if(!rb->strcmp(line, removed_dirs[i]))
{
write_line = false;
break;
}
}
if(write_line)
{
dirs_count++;
rb->write(fd, formatted_line, MAX_PATH);
}
traversedir("", line);
}
else
{
errors ++;
rb->snprintf(buf,sizeof(buf),"Not found:");
FOR_NB_SCREENS(i)
{
rb->screens[i]->puts(0,0,buf);
rb->screens[i]->puts(0, errors, line);
}
update_screen(false);
}
}
}
rb->close(fd2);
if(errors)
/* Press button to continue */
rb->get_action(CONTEXT_STD, TIMEOUT_BLOCK);
}
else
return false;
return true;
}
void generate(void)
{
dirs_count = 0;
abort = false;
fd = rb->open(RFA_FILE,O_CREAT|O_WRONLY);
rb->write(fd,&dirs_count,sizeof(int));
if (fd < 0)
{
rb->splashf(HZ, "Couldnt open %s", RFA_FILE);
return;
}
#ifndef HAVE_LCD_CHARCELLS
update_screen(true);
#endif
lasttick = *rb->current_tick;
if(!custom_dir())
traversedir("", "");
rb->lseek(fd,0,SEEK_SET);
rb->write(fd,&dirs_count,sizeof(int));
rb->close(fd);
rb->splash(HZ, "Done");
}
char *list_get_name_cb(int selected_item, void* data, char* buf, size_t buf_len)
{
(void)data;
rb->strlcpy(buf, list->folder[selected_item], buf_len);
return buf;
}
int load_list(void)
{
int myfd = rb->open(RFA_FILE,O_RDONLY);
if (myfd < 0)
return -1;
buffer = rb->plugin_get_audio_buffer((size_t *)&buffer_size);
if (!buffer)
{
return -2;
}
rb->read(myfd,buffer,buffer_size);
rb->close(myfd);
list = (struct file_format *)buffer;
return 0;
}
int save_list(void)
{
int myfd = rb->creat(RFA_FILE);
if (myfd < 0)
{
rb->splash(HZ, "Could Not Open " RFA_FILE);
return -1;
}
int dirs_count = 0, i = 0;
rb->write(myfd,&dirs_count,sizeof(int));
for ( ;i<list->count;i++)
{
if (list->folder[i][0] != ' ')
{
dirs_count++;
rb->write(myfd,list->folder[i],MAX_PATH);
}
}
rb->lseek(myfd,0,SEEK_SET);
rb->write(myfd,&dirs_count,sizeof(int));
rb->close(myfd);
return 1;
}
int edit_list(void)
{
struct gui_synclist lists;
bool exit = false;
int button,i;
int selection, ret = 0;
/* load the dat file if not already done */
if ((list == NULL || list->count == 0) && (i = load_list()) != 0)
{
rb->splashf(HZ*2, "Could not load %s, rv = %d", RFA_FILE, i);
return -1;
}
dirs_count = list->count;
rb->gui_synclist_init(&lists,list_get_name_cb,0, false, 1, NULL);
rb->gui_synclist_set_icon_callback(&lists,NULL);
rb->gui_synclist_set_nb_items(&lists,list->count);
rb->gui_synclist_limit_scroll(&lists,true);
rb->gui_synclist_select_item(&lists, 0);
while (!exit)
{
rb->gui_synclist_draw(&lists);
button = rb->get_action(CONTEXT_LIST,TIMEOUT_BLOCK);
if (rb->gui_synclist_do_button(&lists,&button,LIST_WRAP_UNLESS_HELD))
continue;
selection = rb->gui_synclist_get_sel_pos(&lists);
switch (button)
{
case ACTION_STD_OK:
list->folder[selection][0] = ' ';
list->folder[selection][1] = '\0';
break;
case ACTION_STD_CONTEXT:
{
int len;
MENUITEM_STRINGLIST(menu, "Remove Menu", NULL,
"Remove Folder", "Remove Folder Tree");
switch (rb->do_menu(&menu, NULL, NULL, false))
{
case 0:
list->folder[selection][0] = ' ';
list->folder[selection][1] = '\0';
break;
case 1:
{
char temp[MAX_PATH];
rb->strcpy(temp,list->folder[selection]);
len = rb->strlen(temp);
for (i=0;i<list->count;i++)
{
if (!rb->strncmp(list->folder[i],temp,len))
{
list->folder[i][0] = ' ';
list->folder[i][1] = '\0';
}
}
}
break;
}
}
break;
case ACTION_STD_CANCEL:
{
MENUITEM_STRINGLIST(menu, "Exit Menu", NULL,
"Save and Exit", "Ignore Changes and Exit");
switch (rb->do_menu(&menu, NULL, NULL, false))
{
case 0:
save_list();
case 1:
exit = true;
ret = -2;
}
}
break;
}
}
return ret;
}
int export_list_to_file_text(void)
{
int i = 0;
/* load the dat file if not already done */
if ((list == NULL || list->count == 0) && (i = load_list()) != 0)
{
rb->splashf(HZ*2, "Could not load %s, rv = %d", RFA_FILE, i);
return 0;
}
if (list->count <= 0)
{
rb->splashf(HZ*2, "no dirs in list file: %s", RFA_FILE);
return 0;
}
/* create and open the file */
int myfd = rb->creat(RFA_FILE_TEXT);
if (myfd < 0)
{
rb->splashf(HZ*4, "failed to open: fd = %d, file = %s",
myfd, RFA_FILE_TEXT);
return -1;
}
/* write each directory to file */
for (i = 0; i < list->count; i++)
{
if (list->folder[i][0] != ' ')
{
rb->fdprintf(myfd, "%s\n", list->folder[i]);
}
}
rb->close(myfd);
rb->splash(HZ, "Done");
return 1;
}
int import_list_from_file_text(void)
{
char line[MAX_PATH];
buffer = rb->plugin_get_audio_buffer((size_t *)&buffer_size);
if (buffer == NULL)
{
rb->splash(HZ*2, "failed to get audio buffer");
return -1;
}
int myfd = rb->open(RFA_FILE_TEXT, O_RDONLY);
if (myfd < 0)
{
rb->splashf(HZ*2, "failed to open: %s", RFA_FILE_TEXT);
return -1;
}
/* set the list structure, and initialize count */
list = (struct file_format *)buffer;
list->count = 0;
while ((rb->read_line(myfd, line, MAX_PATH - 1)) > 0)
{
/* copy the dir name, and skip the newline */
int len = rb->strlen(line);
/* remove CRs */
if (len > 0)
{
if (line[len-1] == 0x0A || line[len-1] == 0x0D)
line[len-1] = 0x00;
if (len > 1 &&
(line[len-2] == 0x0A || line[len-2] == 0x0D))
line[len-2] = 0x00;
}
rb->strcpy(list->folder[list->count++], line);
}
rb->close(myfd);
if (list->count == 0)
{
load_list();
}
else
{
save_list();
}
rb->splash(HZ, "Done");
return list->count;
}
int start_shuffled_play(void)
{
int *order;
size_t max_shuffle_size;
int i = 0;
/* get memory for shuffling */
order=rb->plugin_get_buffer(&max_shuffle_size);
max_shuffle_size/=sizeof(int);
if (order==NULL || max_shuffle_size==0)
{
rb->splashf(HZ*2, "Not enough memory for shuffling");
return 0;
}
/* load the dat file if not already done */
if ((list == NULL || list->count == 0) && (i = load_list()) != 0)
{
rb->splashf(HZ*2, "Could not load %s, rv = %d", RFA_FILE, i);
return 0;
}
if (list->count <= 0)
{
rb->splashf(HZ*2, "no dirs in list file: %s", RFA_FILE);
return 0;
}
/* shuffle the thing */
rb->srand(*rb->current_tick);
if(list->count>(int)max_shuffle_size)
{
rb->splashf(HZ*2, "Too many folders: %d (room for %d)", list->count,(int)max_shuffle_size);
return 0;
}
for(i=0;i<list->count;i++)
order[i]=i;
for(i = list->count - 1; i >= 0; i--)
{
/* the rand is from 0 to RAND_MAX, so adjust to our value range */
int candidate = rb->rand() % (i + 1);
/* now swap the values at the 'i' and 'candidate' positions */
int store = order[candidate];
order[candidate] = order[i];
order[i] = store;
}
/* We don't want whatever is playing */
if (!(rb->playlist_remove_all_tracks(NULL) == 0
&& rb->playlist_create(NULL, NULL) == 0))
{
rb->splashf(HZ*2, "Could not clear playlist");
return 0;
}
/* add the lot to the playlist */
for (i = 0; i < list->count; i++)
{
if (list->folder[order[i]][0] != ' ')
{
rb->playlist_insert_directory(NULL,list->folder[order[i]],PLAYLIST_INSERT_LAST,false,false);
}
if (rb->action_userabort(TIMEOUT_NOBLOCK))
{
break;
}
}
rb->splash(HZ, "Done");
rb->playlist_start(0,0);
return 1;
}
enum plugin_status main_menu(void)
{
bool exit = false;
MENUITEM_STRINGLIST(menu, "Main Menu", NULL,
"Generate Folder List",
"Edit Folder List",
"Export List To Textfile",
"Import List From Textfile",
"Play Shuffled",
"Quit");
while (!exit)
{
switch (rb->do_menu(&menu, NULL, NULL, false))
{
case 0: /* generate */
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
generate();
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
#ifdef HAVE_REMOTE_LCD
rb->remote_backlight_on();
#endif
rb->backlight_on();
break;
case 1:
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
if (edit_list() < 0)
exit = true;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
#ifdef HAVE_REMOTE_LCD
rb->remote_backlight_on();
#endif
rb->backlight_on();
break;
case 2: /* export to textfile */
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
export_list_to_file_text();
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
#ifdef HAVE_REMOTE_LCD
rb->remote_backlight_on();
#endif
rb->backlight_on();
break;
case 3: /* import from textfile */
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
import_list_from_file_text();
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
#ifdef HAVE_REMOTE_LCD
rb->remote_backlight_on();
#endif
rb->backlight_on();
break;
case 4:
if (!start_shuffled_play())
return PLUGIN_ERROR;
else
return PLUGIN_GOTO_WPS;
case 5:
return PLUGIN_OK;
}
}
return PLUGIN_OK;
}
enum plugin_status plugin_start(const void* parameter)
{
(void)parameter;
abort = false;
return main_menu();
}
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