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rockbox/apps/root_menu.c
William Wilgus 10e5e56f3c Bug fix dynamic menus 
Dynamic menus had a buffer_len variable in the parent function but it
was discarded before passing to the callbacks

Why!!?? No clue but everything that used it was assuming MAXPATH
Wouldn't be surprised to see some bugs pop out from this one..

init_menu_lists() was assuming MENU_HAS_DESC and setting the
menu title + icon based on such even though it could be invalid
didn't see anywhere in the code that was currently using MENU_DYNAMIC_DESC
in relation to a top level menu but considering it caused all kinds
of corruption to the menu when I tried its probably been tried
and abandoned before...

Change-Id: I8d961d748918bfa8ea6adb5ad60491af4d739d6e
2019-09-20 03:07:29 -05:00

867 lines
26 KiB
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 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 <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include "string-extra.h"
#include "config.h"
#include "appevents.h"
#include "menu.h"
#include "root_menu.h"
#include "lang.h"
#include "settings.h"
#include "screens.h"
#include "kernel.h"
#include "debug.h"
#include "misc.h"
#include "rolo.h"
#include "powermgmt.h"
#include "power.h"
#include "talk.h"
#include "audio.h"
#include "shortcuts.h"
#ifdef HAVE_HOTSWAP
#include "storage.h"
#include "mv.h"
#endif
/* gui api */
#include "list.h"
#include "splash.h"
#include "action.h"
#include "yesno.h"
#include "viewport.h"
#include "tree.h"
#if CONFIG_TUNER
#include "radio.h"
#endif
#ifdef HAVE_RECORDING
#include "recording.h"
#endif
#include "wps.h"
#include "bookmark.h"
#include "playlist.h"
#include "playlist_viewer.h"
#include "playlist_catalog.h"
#include "menus/exported_menus.h"
#ifdef HAVE_RTC_ALARM
#include "rtc.h"
#endif
#ifdef HAVE_TAGCACHE
#include "tagcache.h"
#endif
#include "language.h"
#include "plugin.h"
#include "disk.h"
struct root_items {
int (*function)(void* param);
void* param;
const struct menu_item_ex *context_menu;
};
static int next_screen = GO_TO_ROOT; /* holding info about the upcoming screen
* which is the current screen for the
* rest of the code after load_screen
* is called */
static int last_screen = GO_TO_ROOT; /* unfortunatly needed so we can resume
or goto current track based on previous
screen */
static int previous_music = GO_TO_WPS; /* Toggles behavior of the return-to
* playback-button depending
* on FM radio */
#if (CONFIG_TUNER)
static void rootmenu_start_playback_callback(unsigned short id, void *param)
{
(void) id; (void) param;
/* Cancel FM radio selection as previous music. For cases where we start
playback without going to the WPS, such as playlist insert or
playlist catalog. */
previous_music = GO_TO_WPS;
}
#endif
static char current_track_path[MAX_PATH];
static void rootmenu_track_changed_callback(unsigned short id, void* param)
{
(void)id;
struct mp3entry *id3 = ((struct track_event *)param)->id3;
strlcpy(current_track_path, id3->path, MAX_PATH);
}
static int browser(void* param)
{
int ret_val;
#ifdef HAVE_TAGCACHE
struct tree_context* tc = tree_get_context();
#endif
struct browse_context browse;
int filter = SHOW_SUPPORTED;
char folder[MAX_PATH] = "/";
/* stuff needed to remember position in file browser */
static char last_folder[MAX_PATH] = "/";
/* and stuff for the database browser */
#ifdef HAVE_TAGCACHE
static int last_db_dirlevel = 0, last_db_selection = 0;
#endif
switch ((intptr_t)param)
{
case GO_TO_FILEBROWSER:
filter = global_settings.dirfilter;
if (global_settings.browse_current &&
last_screen == GO_TO_WPS &&
current_track_path[0])
{
strcpy(folder, current_track_path);
}
else if (!strcmp(last_folder, "/"))
{
strcpy(folder, global_settings.start_directory);
}
else
{
#ifdef HAVE_HOTSWAP
bool in_hotswap = false;
/* handle entering an ejected drive */
int i;
for (i = 0; i < NUM_VOLUMES; i++)
{
char vol_string[VOL_MAX_LEN + 1];
if (!volume_removable(i))
continue;
get_volume_name(i, vol_string);
/* test whether we would browse the external card */
if (!volume_present(i) &&
(strstr(last_folder, vol_string)
#ifdef HAVE_HOTSWAP_STORAGE_AS_MAIN
|| (i == 0)
#endif
))
{ /* leave folder as "/" to avoid crash when trying
* to access an ejected drive */
strcpy(folder, "/");
in_hotswap = true;
break;
}
}
if (!in_hotswap)
#endif
strcpy(folder, last_folder);
}
push_current_activity(ACTIVITY_FILEBROWSER);
break;
#ifdef HAVE_TAGCACHE
case GO_TO_DBBROWSER:
if (!tagcache_is_usable())
{
bool reinit_attempted = false;
/* Now display progress until it's ready or the user exits */
while(!tagcache_is_usable())
{
struct tagcache_stat *stat = tagcache_get_stat();
/* Allow user to exit */
if (action_userabort(HZ/2))
break;
/* Maybe just needs to reboot due to delayed commit */
if (stat->commit_delayed)
{
splash(HZ*2, ID2P(LANG_PLEASE_REBOOT));
break;
}
/* Check if ready status is known */
if (!stat->readyvalid)
{
splash(0, ID2P(LANG_TAGCACHE_BUSY));
continue;
}
/* Re-init if required */
if (!reinit_attempted && !stat->ready &&
stat->processed_entries == 0 && stat->commit_step == 0)
{
/* Prompt the user */
reinit_attempted = true;
static const char *lines[]={
ID2P(LANG_TAGCACHE_BUSY), ID2P(LANG_TAGCACHE_FORCE_UPDATE)};
static const struct text_message message={lines, 2};
if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_NO)
break;
FOR_NB_SCREENS(i)
screens[i].clear_display();
/* Start initialisation */
tagcache_rebuild();
}
/* Display building progress */
static long talked_tick = 0;
if(global_settings.talk_menu &&
(talked_tick == 0
|| TIME_AFTER(current_tick, talked_tick+7*HZ)))
{
talked_tick = current_tick;
if (stat->commit_step > 0)
{
talk_id(LANG_TAGCACHE_INIT, false);
talk_number(stat->commit_step, true);
talk_id(VOICE_OF, true);
talk_number(tagcache_get_max_commit_step(), true);
} else if(stat->processed_entries)
{
talk_number(stat->processed_entries, false);
talk_id(LANG_BUILDING_DATABASE, true);
}
}
if (stat->commit_step > 0)
{
if (lang_is_rtl())
{
splashf(0, "[%d/%d] %s", stat->commit_step,
tagcache_get_max_commit_step(),
str(LANG_TAGCACHE_INIT));
}
else
{
splashf(0, "%s [%d/%d]", str(LANG_TAGCACHE_INIT),
stat->commit_step,
tagcache_get_max_commit_step());
}
}
else
{
splashf(0, str(LANG_BUILDING_DATABASE),
stat->processed_entries);
}
}
}
if (!tagcache_is_usable())
return GO_TO_PREVIOUS;
filter = SHOW_ID3DB;
tc->dirlevel = last_db_dirlevel;
tc->selected_item = last_db_selection;
push_current_activity(ACTIVITY_DATABASEBROWSER);
break;
#endif
}
browse_context_init(&browse, filter, 0, NULL, NOICON, folder, NULL);
ret_val = rockbox_browse(&browse);
pop_current_activity();
switch ((intptr_t)param)
{
case GO_TO_FILEBROWSER:
if (!get_current_file(last_folder, MAX_PATH) ||
(!strchr(&last_folder[1], '/') &&
global_settings.start_directory[1] != '\0'))
{
last_folder[0] = '/';
last_folder[1] = '\0';
}
break;
#ifdef HAVE_TAGCACHE
case GO_TO_DBBROWSER:
last_db_dirlevel = tc->dirlevel;
last_db_selection = tc->selected_item;
break;
#endif
}
return ret_val;
}
#ifdef HAVE_RECORDING
static int recscrn(void* param)
{
(void)param;
recording_screen(false);
return GO_TO_ROOT;
}
#endif
static int wpsscrn(void* param)
{
int ret_val = GO_TO_PREVIOUS;
(void)param;
push_current_activity(ACTIVITY_WPS);
if (audio_status())
{
talk_shutup();
ret_val = gui_wps_show();
}
else if ( global_status.resume_index != -1 )
{
DEBUGF("Resume index %X crc32 %lX offset %lX\n",
global_status.resume_index,
(unsigned long)global_status.resume_crc32,
(unsigned long)global_status.resume_offset);
if (playlist_resume() != -1)
{
playlist_resume_track(global_status.resume_index,
global_status.resume_crc32,
global_status.resume_elapsed,
global_status.resume_offset);
ret_val = gui_wps_show();
}
}
else
{
splash(HZ*2, ID2P(LANG_NOTHING_TO_RESUME));
}
pop_current_activity();
return ret_val;
}
#if CONFIG_TUNER
static int radio(void* param)
{
(void)param;
radio_screen();
return GO_TO_ROOT;
}
#endif
static int miscscrn(void * param)
{
const struct menu_item_ex *menu = (const struct menu_item_ex*)param;
int result = do_menu(menu, NULL, NULL, false);
switch (result)
{
case GO_TO_PLAYLIST_VIEWER:
case GO_TO_WPS:
return result;
default:
return GO_TO_ROOT;
}
}
static int playlist_view_catalog(void * param)
{
/* kludge untill catalog_view_playlists() returns something useful */
int old_playstatus = audio_status();
(void)param;
push_current_activity(ACTIVITY_PLAYLISTBROWSER);
catalog_view_playlists();
pop_current_activity();
if (!old_playstatus && audio_status())
return GO_TO_WPS;
return GO_TO_PREVIOUS;
}
static int playlist_view(void * param)
{
(void)param;
int val;
push_current_activity(ACTIVITY_PLAYLISTVIEWER);
val = playlist_viewer();
pop_current_activity();
switch (val)
{
case PLAYLIST_VIEWER_MAINMENU:
case PLAYLIST_VIEWER_USB:
return GO_TO_ROOT;
case PLAYLIST_VIEWER_OK:
return GO_TO_PREVIOUS;
}
return GO_TO_PREVIOUS;
}
static int load_bmarks(void* param)
{
(void)param;
if(bookmark_mrb_load())
return GO_TO_WPS;
return GO_TO_PREVIOUS;
}
/* These are all static const'd from apps/menus/ *.c
so little hack so we can use them */
extern struct menu_item_ex
file_menu,
#ifdef HAVE_TAGCACHE
tagcache_menu,
#endif
main_menu_,
manage_settings,
plugin_menu,
playlist_options,
info_menu,
system_menu;
static const struct root_items items[] = {
[GO_TO_FILEBROWSER] = { browser, (void*)GO_TO_FILEBROWSER, &file_menu},
#ifdef HAVE_TAGCACHE
[GO_TO_DBBROWSER] = { browser, (void*)GO_TO_DBBROWSER, &tagcache_menu },
#endif
[GO_TO_WPS] = { wpsscrn, NULL, &playback_settings },
[GO_TO_MAINMENU] = { miscscrn, (struct menu_item_ex*)&main_menu_,
&manage_settings },
#ifdef HAVE_RECORDING
[GO_TO_RECSCREEN] = { recscrn, NULL, &recording_settings_menu },
#endif
#if CONFIG_TUNER
[GO_TO_FM] = { radio, NULL, &radio_settings_menu },
#endif
[GO_TO_RECENTBMARKS] = { load_bmarks, NULL, &bookmark_settings_menu },
[GO_TO_BROWSEPLUGINS] = { miscscrn, &plugin_menu, NULL },
[GO_TO_PLAYLISTS_SCREEN] = { playlist_view_catalog, NULL,
&playlist_options },
[GO_TO_PLAYLIST_VIEWER] = { playlist_view, NULL, &playlist_options },
[GO_TO_SYSTEM_SCREEN] = { miscscrn, &info_menu, &system_menu },
[GO_TO_SHORTCUTMENU] = { do_shortcut_menu, NULL, NULL },
};
static const int nb_items = sizeof(items)/sizeof(*items);
static int item_callback(int action, const struct menu_item_ex *this_item) ;
MENUITEM_RETURNVALUE(shortcut_menu, ID2P(LANG_SHORTCUTS), GO_TO_SHORTCUTMENU,
NULL, Icon_Bookmark);
MENUITEM_RETURNVALUE(file_browser, ID2P(LANG_DIR_BROWSER), GO_TO_FILEBROWSER,
NULL, Icon_file_view_menu);
#ifdef HAVE_TAGCACHE
MENUITEM_RETURNVALUE(db_browser, ID2P(LANG_TAGCACHE), GO_TO_DBBROWSER,
NULL, Icon_Audio);
#endif
MENUITEM_RETURNVALUE(rocks_browser, ID2P(LANG_PLUGINS), GO_TO_BROWSEPLUGINS,
NULL, Icon_Plugin);
MENUITEM_RETURNVALUE(playlist_browser, ID2P(LANG_CATALOG), GO_TO_PLAYLIST_VIEWER,
NULL, Icon_Playlist);
static char *get_wps_item_name(int selected_item, void * data,
char *buffer, size_t buffer_len)
{
(void)selected_item; (void)data; (void)buffer; (void)buffer_len;
if (audio_status())
return ID2P(LANG_NOW_PLAYING);
return ID2P(LANG_RESUME_PLAYBACK);
}
MENUITEM_RETURNVALUE_DYNTEXT(wps_item, GO_TO_WPS, NULL, get_wps_item_name,
NULL, NULL, Icon_Playback_menu);
#ifdef HAVE_RECORDING
MENUITEM_RETURNVALUE(rec, ID2P(LANG_RECORDING), GO_TO_RECSCREEN,
NULL, Icon_Recording);
#endif
#if CONFIG_TUNER
MENUITEM_RETURNVALUE(fm, ID2P(LANG_FM_RADIO), GO_TO_FM,
item_callback, Icon_Radio_screen);
#endif
MENUITEM_RETURNVALUE(menu_, ID2P(LANG_SETTINGS), GO_TO_MAINMENU,
NULL, Icon_Submenu_Entered);
MENUITEM_RETURNVALUE(bookmarks, ID2P(LANG_BOOKMARK_MENU_RECENT_BOOKMARKS),
GO_TO_RECENTBMARKS, item_callback,
Icon_Bookmark);
MENUITEM_RETURNVALUE(playlists, ID2P(LANG_CATALOG), GO_TO_PLAYLISTS_SCREEN,
NULL, Icon_Playlist);
MENUITEM_RETURNVALUE(system_menu_, ID2P(LANG_SYSTEM), GO_TO_SYSTEM_SCREEN,
NULL, Icon_System_menu);
#if CONFIG_KEYPAD == PLAYER_PAD
static int do_shutdown(void)
{
#if CONFIG_CHARGING
if (charger_inserted())
charging_splash();
else
#endif
sys_poweroff();
return 0;
}
MENUITEM_FUNCTION(do_shutdown_item, 0, ID2P(LANG_SHUTDOWN),
do_shutdown, NULL, NULL, Icon_NOICON);
#endif
struct menu_item_ex root_menu_;
static struct menu_callback_with_desc root_menu_desc = {
item_callback, ID2P(LANG_ROCKBOX_TITLE), Icon_Rockbox };
static struct menu_table menu_table[] = {
/* Order here represents the default ordering */
{ "bookmarks", &bookmarks },
{ "files", &file_browser },
#ifdef HAVE_TAGCACHE
{ "database", &db_browser },
#endif
{ "wps", &wps_item },
{ "settings", &menu_ },
#ifdef HAVE_RECORDING
{ "recording", &rec },
#endif
#if CONFIG_TUNER
{ "radio", &fm },
#endif
{ "playlists", &playlists },
{ "plugins", &rocks_browser },
{ "system_menu", &system_menu_ },
#if CONFIG_KEYPAD == PLAYER_PAD
{ "shutdown", &do_shutdown_item },
#endif
{ "shortcuts", &shortcut_menu },
};
#define MAX_MENU_ITEMS (sizeof(menu_table) / sizeof(struct menu_table))
static struct menu_item_ex *root_menu__[MAX_MENU_ITEMS];
struct menu_table *root_menu_get_options(int *nb_options)
{
*nb_options = MAX_MENU_ITEMS;
return menu_table;
}
void root_menu_load_from_cfg(void* setting, char *value)
{
char *next = value, *start, *end;
unsigned int menu_item_count = 0, i;
bool main_menu_added = false;
if (*value == '-')
{
root_menu_set_default(setting, NULL);
return;
}
root_menu_.flags = MENU_HAS_DESC | MT_MENU;
root_menu_.submenus = (const struct menu_item_ex **)&root_menu__;
root_menu_.callback_and_desc = &root_menu_desc;
while (next && menu_item_count < MAX_MENU_ITEMS)
{
start = next;
next = strchr(next, ',');
if (next)
{
*next = '\0';
next++;
}
start = skip_whitespace(start);
if ((end = strchr(start, ' ')))
*end = '\0';
for (i=0; i<MAX_MENU_ITEMS; i++)
{
if (*start && !strcmp(start, menu_table[i].string))
{
root_menu__[menu_item_count++] = (struct menu_item_ex *)menu_table[i].item;
if (menu_table[i].item == &menu_)
main_menu_added = true;
break;
}
}
}
if (!main_menu_added)
root_menu__[menu_item_count++] = (struct menu_item_ex *)&menu_;
root_menu_.flags |= MENU_ITEM_COUNT(menu_item_count);
*(bool*)setting = true;
}
char* root_menu_write_to_cfg(void* setting, char*buf, int buf_len)
{
(void)setting;
unsigned i, written, j;
for (i = 0; i < MENU_GET_COUNT(root_menu_.flags); i++)
{
for (j=0; j<MAX_MENU_ITEMS; j++)
{
if (menu_table[j].item == root_menu__[i])
{
written = snprintf(buf, buf_len, "%s, ", menu_table[j].string);
buf_len -= written;
buf += written;
break;
}
}
}
return buf;
}
void root_menu_set_default(void* setting, void* defaultval)
{
unsigned i;
(void)defaultval;
root_menu_.flags = MENU_HAS_DESC | MT_MENU;
root_menu_.submenus = (const struct menu_item_ex **)&root_menu__;
root_menu_.callback_and_desc = &root_menu_desc;
for (i=0; i<MAX_MENU_ITEMS; i++)
{
root_menu__[i] = (struct menu_item_ex *)menu_table[i].item;
}
root_menu_.flags |= MENU_ITEM_COUNT(MAX_MENU_ITEMS);
*(bool*)setting = false;
}
bool root_menu_is_changed(void* setting, void* defaultval)
{
(void)defaultval;
return *(bool*)setting;
}
static int item_callback(int action, const struct menu_item_ex *this_item)
{
switch (action)
{
case ACTION_TREE_STOP:
return ACTION_REDRAW;
case ACTION_REQUEST_MENUITEM:
#if CONFIG_TUNER
if (this_item == &fm)
{
if (radio_hardware_present() == 0)
return ACTION_EXIT_MENUITEM;
}
else
#endif
if (this_item == &bookmarks)
{
if (global_settings.usemrb == 0)
return ACTION_EXIT_MENUITEM;
}
break;
}
return action;
}
static int get_selection(int last_screen)
{
int i;
int len = ARRAYLEN(root_menu__);
for(i=0; i < len; i++)
{
if (((root_menu__[i]->flags&MENU_TYPE_MASK) == MT_RETURN_VALUE) &&
(root_menu__[i]->value == last_screen))
{
return i;
}
}
return 0;
}
static inline int load_screen(int screen)
{
/* set the global_status.last_screen before entering,
if we dont we will always return to the wrong screen on boot */
int old_previous = last_screen;
int ret_val;
enum current_activity activity = ACTIVITY_UNKNOWN;
if (screen <= GO_TO_ROOT)
return screen;
if (screen == old_previous)
old_previous = GO_TO_ROOT;
global_status.last_screen = (char)screen;
status_save();
if (screen == GO_TO_BROWSEPLUGINS)
activity = ACTIVITY_PLUGINBROWSER;
else if (screen == GO_TO_MAINMENU)
activity = ACTIVITY_SETTINGS;
else if (screen == GO_TO_SYSTEM_SCREEN)
activity = ACTIVITY_SYSTEMSCREEN;
if (activity != ACTIVITY_UNKNOWN)
push_current_activity(activity);
ret_val = items[screen].function(items[screen].param);
if (activity != ACTIVITY_UNKNOWN)
pop_current_activity();
last_screen = screen;
if (ret_val == GO_TO_PREVIOUS)
last_screen = old_previous;
return ret_val;
}
static int load_context_screen(int selection)
{
const struct menu_item_ex *context_menu = NULL;
int retval = GO_TO_PREVIOUS;
push_current_activity(ACTIVITY_CONTEXTMENU);
if ((root_menu__[selection]->flags&MENU_TYPE_MASK) == MT_RETURN_VALUE)
{
int item = root_menu__[selection]->value;
context_menu = items[item].context_menu;
}
/* special cases */
else if (root_menu__[selection] == &info_menu)
{
context_menu = &system_menu;
}
if (context_menu)
retval = do_menu(context_menu, NULL, NULL, false);
pop_current_activity();
return retval;
}
#ifdef HAVE_PICTUREFLOW_INTEGRATION
static int load_plugin_screen(char *plug_path)
{
int ret_val;
int old_previous = last_screen;
last_screen = next_screen;
global_status.last_screen = (char)next_screen;
status_save();
switch (plugin_load(plug_path, NULL))
{
case PLUGIN_GOTO_WPS:
ret_val = GO_TO_WPS;
break;
case PLUGIN_OK:
ret_val = audio_status() ? GO_TO_PREVIOUS : GO_TO_ROOT;
break;
default:
ret_val = GO_TO_PREVIOUS;
break;
}
if (ret_val == GO_TO_PREVIOUS)
last_screen = (old_previous == next_screen) ? GO_TO_ROOT : old_previous;
return ret_val;
}
static bool check_database(void)
{
bool needwarn = true;
while ( !tagcache_is_usable() )
{
if (needwarn)
splash(0, ID2P(LANG_TAGCACHE_BUSY));
if ( action_userabort(HZ/5) )
return false;
needwarn = false;
}
return true;
}
#endif
void root_menu(void)
{
int previous_browser = GO_TO_FILEBROWSER;
int selected = 0;
push_current_activity(ACTIVITY_MAINMENU);
if (global_settings.start_in_screen == 0)
next_screen = (int)global_status.last_screen;
else next_screen = global_settings.start_in_screen - 2;
#if CONFIG_TUNER
add_event(PLAYBACK_EVENT_START_PLAYBACK, rootmenu_start_playback_callback);
#endif
add_event(PLAYBACK_EVENT_TRACK_CHANGE, rootmenu_track_changed_callback);
#ifdef HAVE_RTC_ALARM
if ( rtc_check_alarm_started(true) )
{
rtc_enable_alarm(false);
next_screen = GO_TO_WPS;
#if CONFIG_TUNER
if (global_settings.alarm_wake_up_screen == ALARM_START_FM)
next_screen = GO_TO_FM;
#endif
#ifdef HAVE_RECORDING
if (global_settings.alarm_wake_up_screen == ALARM_START_REC)
{
recording_start_automatic = true;
next_screen = GO_TO_RECSCREEN;
}
#endif
}
#endif /* HAVE_RTC_ALARM */
#ifdef HAVE_HEADPHONE_DETECTION
if (next_screen == GO_TO_WPS &&
(global_settings.unplug_autoresume && !headphones_inserted() ))
next_screen = GO_TO_ROOT;
#endif
while (true)
{
switch (next_screen)
{
case MENU_ATTACHED_USB:
case MENU_SELECTED_EXIT:
/* fall through */
case GO_TO_ROOT:
if (last_screen != GO_TO_ROOT)
selected = get_selection(last_screen);
#if (CONFIG_PLATFORM&PLATFORM_ANDROID)
/* When we are in the main menu we want the hardware BACK
* button to be handled by Android instead of rockbox */
android_ignore_back_button(true);
#endif
next_screen = do_menu(&root_menu_, &selected, NULL, false);
#if (CONFIG_PLATFORM&PLATFORM_ANDROID)
android_ignore_back_button(false);
#endif
if (next_screen != GO_TO_PREVIOUS)
last_screen = GO_TO_ROOT;
break;
case GO_TO_PREVIOUS:
next_screen = last_screen;
break;
case GO_TO_PREVIOUS_BROWSER:
next_screen = previous_browser;
break;
case GO_TO_PREVIOUS_MUSIC:
next_screen = previous_music;
break;
case GO_TO_ROOTITEM_CONTEXT:
next_screen = load_context_screen(selected);
break;
#ifdef HAVE_PICTUREFLOW_INTEGRATION
case GO_TO_PICTUREFLOW:
if (check_database())
{
char pf_path[MAX_PATH];
snprintf(pf_path, sizeof(pf_path),
"%s/pictureflow.rock",
PLUGIN_DEMOS_DIR);
next_screen = load_plugin_screen(pf_path);
previous_browser = (next_screen != GO_TO_WPS) ? GO_TO_FILEBROWSER : GO_TO_PICTUREFLOW;
}
else
next_screen = GO_TO_PREVIOUS;
break;
#endif
default:
#ifdef HAVE_TAGCACHE
/* With !HAVE_TAGCACHE previous_browser is always GO_TO_FILEBROWSER */
if (next_screen == GO_TO_FILEBROWSER || next_screen == GO_TO_DBBROWSER)
previous_browser = next_screen;
#endif
#if CONFIG_TUNER
/* With !CONFIG_TUNER previous_music is always GO_TO_WPS */
if (next_screen == GO_TO_WPS || next_screen == GO_TO_FM)
previous_music = next_screen;
#endif
next_screen = load_screen(next_screen);
break;
} /* switch() */
}
}
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