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rockbox/apps/shortcuts.c
Jonathan Gordon 6cf7cb9822 Don't load the icons unless show_icons is actually enabled. And respect that setting in the shortcuts menu 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31069 a1c6a512-1295-4272-9138-f99709370657
2011-11-27 10:10:26 +00:00

422 lines
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/***************************************************************************
*
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2011 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 <stdbool.h>
#include <stdlib.h>
#include "config.h"
#include "system.h"
#include "action.h"
#include "ata_idle_notify.h"
#include "debug_menu.h"
#include "core_alloc.h"
#include "list.h"
#include "settings.h"
#include "settings_list.h"
#include "lang.h"
#include "menu.h"
#include "misc.h"
#include "tree.h"
#include "splash.h"
#include "filefuncs.h"
#include "filetypes.h"
#include "shortcuts.h"
#include "onplay.h"
#define MAX_SHORTCUT_NAME 32
#define SHORTCUTS_FILENAME ROCKBOX_DIR "/shortcuts.txt"
char *type_strings[SHORTCUT_TYPE_COUNT] = {
[SHORTCUT_SETTING] = "setting",
[SHORTCUT_FILE] = "file",
[SHORTCUT_DEBUGITEM] = "debug",
[SHORTCUT_BROWSER] = "browse",
[SHORTCUT_PLAYLISTMENU] = "playlist menu",
[SHORTCUT_SEPARATOR] = "separator",
};
struct shortcut {
enum shortcut_type type;
char name[MAX_SHORTCUT_NAME];
int icon;
union {
char path[MAX_PATH];
const struct settings_list *setting;
} u;
};
#define SHORTCUTS_PER_HANDLE 32
struct shortcut_handle {
struct shortcut shortcuts[SHORTCUTS_PER_HANDLE];
int next_handle;
};
static int first_handle = 0;
static int shortcut_count = 0;
static void reset_shortcuts(void)
{
int current_handle = first_handle;
struct shortcut_handle *h = NULL;
while (current_handle > 0)
{
int next;
h = core_get_data(current_handle);
next = h->next_handle;
core_free(current_handle);
current_handle = next;
}
first_handle = 0;
shortcut_count = 0;
}
static struct shortcut* get_shortcut(int index)
{
int handle_count, handle_index;
int current_handle = first_handle;
struct shortcut_handle *h = NULL;
if (first_handle == 0)
{
first_handle = core_alloc("shortcuts_head", sizeof(struct shortcut_handle));
if (first_handle <= 0)
return NULL;
h = core_get_data(first_handle);
h->next_handle = 0;
current_handle = first_handle;
}
handle_count = index/SHORTCUTS_PER_HANDLE + 1;
handle_index = index%SHORTCUTS_PER_HANDLE;
do {
h = core_get_data(current_handle);
current_handle = h->next_handle;
handle_count--;
} while (handle_count > 0 && current_handle > 0);
if (handle_count > 0 && handle_index == 0)
{
char buf[32];
snprintf(buf, sizeof buf, "shortcuts_%d", index/SHORTCUTS_PER_HANDLE);
h->next_handle = core_alloc(buf, sizeof(struct shortcut_handle));
if (h->next_handle <= 0)
return NULL;
h = core_get_data(h->next_handle);
h->next_handle = 0;
}
return &h->shortcuts[handle_index];
}
bool verify_shortcut(struct shortcut* sc)
{
switch (sc->type)
{
case SHORTCUT_UNDEFINED:
return false;
case SHORTCUT_BROWSER:
case SHORTCUT_FILE:
case SHORTCUT_PLAYLISTMENU:
if (sc->u.path[0] == '\0')
return false;
break;
case SHORTCUT_SETTING:
return sc->u.setting != NULL;
case SHORTCUT_DEBUGITEM:
case SHORTCUT_SEPARATOR:
default:
break;
}
return true;
}
static void init_shortcut(struct shortcut* sc)
{
sc->type = SHORTCUT_UNDEFINED;
sc->name[0] = '\0';
sc->u.path[0] = '\0';
sc->icon = Icon_NOICON;
}
static int first_idx_to_writeback = -1;
void shortcuts_ata_idle_callback(void* data)
{
(void)data;
int fd;
char buf[MAX_PATH];
int current_idx = first_idx_to_writeback;
if (first_idx_to_writeback < 0)
return;
fd = open(SHORTCUTS_FILENAME, O_APPEND|O_RDWR|O_CREAT, 0644);
if (fd < 0)
return;
while (current_idx < shortcut_count)
{
struct shortcut* sc = get_shortcut(current_idx++);
char *type;
int len;
if (!sc)
break;
type = type_strings[sc->type];
len = snprintf(buf, MAX_PATH, "[shortcut]\ntype: %s\ndata: ", type);
write(fd, buf, len);
if (sc->type == SHORTCUT_SETTING)
write(fd, sc->u.setting->cfg_name, strlen(sc->u.setting->cfg_name));
else
write(fd, sc->u.path, strlen(sc->u.path));
write(fd, "\n\n", 2);
}
close(fd);
if (first_idx_to_writeback == 0)
{
/* reload all shortcuts because we appended to the shortcuts file which
* has not been read yet.
*/
reset_shortcuts();
shortcuts_init();
}
first_idx_to_writeback = -1;
}
void shortcuts_add(enum shortcut_type type, char* value)
{
struct shortcut* sc = get_shortcut(shortcut_count++);
if (!sc)
return;
init_shortcut(sc);
sc->type = type;
if (type == SHORTCUT_SETTING)
sc->u.setting = (void*)value;
else
strlcpy(sc->u.path, value, MAX_PATH);
if (first_idx_to_writeback < 0)
first_idx_to_writeback = shortcut_count - 1;
register_storage_idle_func(shortcuts_ata_idle_callback);
}
int readline_cb(int n, char *buf, void *parameters)
{
(void)n;
(void)parameters;
struct shortcut **param = (struct shortcut**)parameters;
struct shortcut* sc = *param;
char *name, *value;
if (!strcasecmp(skip_whitespace(buf), "[shortcut]"))
{
if (sc && verify_shortcut(sc))
shortcut_count++;
sc = get_shortcut(shortcut_count);
if (!sc)
return 1;
init_shortcut(sc);
*param = sc;
}
else if (sc && settings_parseline(buf, &name, &value))
{
if (!strcmp(name, "type"))
{
int t = 0;
for (t=0; t<SHORTCUT_TYPE_COUNT && sc->type == SHORTCUT_UNDEFINED; t++)
if (!strcmp(value, type_strings[t]))
sc->type = t;
}
else if (!strcmp(name, "name"))
{
strlcpy(sc->name, value, MAX_SHORTCUT_NAME);
}
else if (!strcmp(name, "data"))
{
switch (sc->type)
{
case SHORTCUT_UNDEFINED:
case SHORTCUT_TYPE_COUNT:
*param = NULL;
break;
case SHORTCUT_BROWSER:
case SHORTCUT_FILE:
case SHORTCUT_DEBUGITEM:
case SHORTCUT_PLAYLISTMENU:
strlcpy(sc->u.path, value, MAX_PATH);
break;
case SHORTCUT_SETTING:
sc->u.setting = find_setting_by_cfgname(value, NULL);
break;
case SHORTCUT_SEPARATOR:
break;
}
}
else if (!strcmp(name, "icon"))
{
if (!strcmp(value, "filetype") && sc->type != SHORTCUT_SETTING && sc->u.path[0])
{
sc->icon = filetype_get_icon(filetype_get_attr(sc->u.path));
}
else
{
sc->icon = atoi(value);
}
}
}
return 0;
}
void shortcuts_init(void)
{
int fd;
char buf[512];
struct shortcut *param = NULL;
struct shortcut_handle *h;
shortcut_count = 0;
fd = open_utf8(SHORTCUTS_FILENAME, O_RDONLY);
if (fd < 0)
return;
first_handle = core_alloc("shortcuts_head", sizeof(struct shortcut_handle));
if (first_handle <= 0)
return;
h = core_get_data(first_handle);
h->next_handle = 0;
fast_readline(fd, buf, sizeof buf, &param, readline_cb);
close(fd);
if (param && verify_shortcut(param))
shortcut_count++;
}
const char * shortcut_menu_get_name(int selected_item, void * data,
char * buffer, size_t buffer_len)
{
(void)data;
(void)buffer;
(void)buffer_len;
struct shortcut *sc = get_shortcut(selected_item);
if (!sc)
return "";
if (sc->type == SHORTCUT_SETTING)
return sc->name[0] ? sc->name : P2STR(ID2P(sc->u.setting->lang_id));
else if (sc->type == SHORTCUT_SEPARATOR)
return sc->name;
return sc->name[0] ? sc->name : sc->u.path;
}
int shortcut_menu_get_action(int action, struct gui_synclist *lists)
{
(void)lists;
if (action == ACTION_STD_OK)
return ACTION_STD_CANCEL;
return action;
}
enum themable_icons shortcut_menu_get_icon(int selected_item, void * data)
{
(void)data;
struct shortcut *sc = get_shortcut(selected_item);
if (!sc)
return Icon_NOICON;
if (sc->icon == Icon_NOICON)
{
switch (sc->type)
{
case SHORTCUT_FILE:
return filetype_get_icon(filetype_get_attr(sc->u.path));
case SHORTCUT_BROWSER:
return Icon_Folder;
case SHORTCUT_SETTING:
return Icon_Menu_setting;
case SHORTCUT_DEBUGITEM:
return Icon_Menu_functioncall;
case SHORTCUT_PLAYLISTMENU:
return Icon_Playlist;
default:
break;
}
}
return sc->icon;
}
int do_shortcut_menu(void *ignored)
{
(void)ignored;
struct simplelist_info list;
struct shortcut *sc;
int done = GO_TO_PREVIOUS;
if (first_handle == 0)
shortcuts_init();
simplelist_info_init(&list, P2STR(ID2P(LANG_SHORTCUTS)), shortcut_count, NULL);
list.get_name = shortcut_menu_get_name;
list.action_callback = shortcut_menu_get_action;
if (global_settings.show_icons)
list.get_icon = shortcut_menu_get_icon;
list.title_icon = Icon_Bookmark;
push_current_activity(ACTIVITY_SHORTCUTSMENU);
while (done == GO_TO_PREVIOUS)
{
if (simplelist_show_list(&list))
break; /* some error happened?! */
if (list.selection == -1)
break;
else
{
sc = get_shortcut(list.selection);
if (!sc)
continue;
switch (sc->type)
{
case SHORTCUT_PLAYLISTMENU:
if (!file_exists(sc->u.path))
{
splash(HZ, ID2P(LANG_NO_FILES));
break;
}
else
{
onplay_show_playlist_menu(sc->u.path);
}
break;
case SHORTCUT_FILE:
if (!file_exists(sc->u.path))
{
splash(HZ, ID2P(LANG_NO_FILES));
break;
}
/* else fall through */
case SHORTCUT_BROWSER:
{
struct browse_context browse;
browse_context_init(&browse, global_settings.dirfilter, 0,
NULL, NOICON, sc->u.path, NULL);
if (sc->type == SHORTCUT_FILE)
browse.flags |= BROWSE_RUNFILE;
done = rockbox_browse(&browse);
}
break;
case SHORTCUT_SETTING:
do_setting_screen(sc->u.setting,
sc->name[0] ? sc->name : P2STR(ID2P(sc->u.setting->lang_id)),NULL);
break;
case SHORTCUT_DEBUGITEM:
run_debug_screen(sc->u.path);
break;
case SHORTCUT_UNDEFINED:
default:
break;
}
}
}
pop_current_activity();
return done;
}
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