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foxbox/apps/playlist_viewer.c
Purdea Andrei 323282f22d Fixing data abort (pc in strchr). when scrolling a big playlist very fast. 
Change-Id: Ibe00a11592a18d320682cce755e48ce701ff5b4a
Reviewed-on: http://gerrit.rockbox.org/281
Reviewed-by: Thomas Martitz <kugel@rockbox.org>
Tested-by: Thomas Martitz <kugel@rockbox.org>
2012-07-19 00:00:41 +02:00

944 lines
31 KiB
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/***************************************************************************
*
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2003 Hardeep Sidhu
*
* 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.
*
****************************************************************************/
/*
* Kevin Ferrare 2005/10/16
* multi-screen support, rewrote a lot of code
*/
#include <string.h>
#include "playlist.h"
#include "audio.h"
#include "screens.h"
#include "settings.h"
#include "icons.h"
#include "menu.h"
#include "plugin.h"
#include "keyboard.h"
#include "filetypes.h"
#include "onplay.h"
#include "talk.h"
#include "misc.h"
#include "action.h"
#include "debug.h"
#include "backlight.h"
#include "lang.h"
#include "playlist_viewer.h"
#include "playlist_catalog.h"
#include "icon.h"
#include "list.h"
#include "splash.h"
#include "playlist_menu.h"
#include "yesno.h"
/* Maximum number of tracks we can have loaded at one time */
#define MAX_PLAYLIST_ENTRIES 200
/* The number of items between the selected one and the end/start of
* the buffer under which the buffer must reload */
#define MIN_BUFFER_MARGIN (screens[0].getnblines()+1)
/* Information about a specific track */
struct playlist_entry {
char *name; /* Formatted track name */
int index; /* Playlist index */
int display_index; /* Display index */
bool queued; /* Is track queued? */
bool skipped; /* Is track marked as bad? */
};
enum direction
{
FORWARD,
BACKWARD
};
struct playlist_buffer
{
char *name_buffer; /* Buffer used to store track names */
int buffer_size; /* Size of name buffer */
int first_index; /* Real index of first track loaded inside
the buffer */
enum direction direction; /* Direction of the buffer (if the buffer
was loaded BACKWARD, the last track in
the buffer has a real index < to the
real index of the the first track)*/
struct playlist_entry tracks[MAX_PLAYLIST_ENTRIES];
int num_loaded; /* Number of track entries loaded in buffer */
};
/* Global playlist viewer settings */
struct playlist_viewer {
struct playlist_info* playlist; /* playlist being viewed */
int num_tracks; /* Number of tracks in playlist */
int current_playing_track; /* Index of current playing track */
int selected_track; /* The selected track, relative (first is 0) */
int moving_track; /* The track to move, relative (first is 0)
or -1 if nothing is currently being moved */
int moving_playlist_index; /* Playlist-relative index (as opposed to
viewer-relative index) of moving track */
struct playlist_buffer buffer;
};
static struct playlist_viewer viewer;
/* Used when viewing playlists on disk */
static struct playlist_info temp_playlist;
static void playlist_buffer_init(struct playlist_buffer *pb, char *names_buffer,
int names_buffer_size);
static void playlist_buffer_load_entries(struct playlist_buffer * pb, int index,
enum direction direction);
static int playlist_entry_load(struct playlist_entry *entry, int index,
char* name_buffer, int remaining_size);
static struct playlist_entry * playlist_buffer_get_track(struct playlist_buffer *pb,
int index);
static bool playlist_viewer_init(struct playlist_viewer * viewer,
const char* filename, bool reload);
static void format_name(char* dest, const char* src);
static void format_line(const struct playlist_entry* track, char* str,
int len);
static bool update_playlist(bool force);
static int onplay_menu(int index);
static void playlist_buffer_init(struct playlist_buffer *pb, char *names_buffer,
int names_buffer_size)
{
pb->name_buffer = names_buffer;
pb->buffer_size = names_buffer_size;
pb->first_index = 0;
pb->num_loaded = 0;
}
/*
* Loads the entries following 'index' in the playlist buffer
*/
static void playlist_buffer_load_entries(struct playlist_buffer *pb, int index,
enum direction direction)
{
int num_entries = viewer.num_tracks;
char* p = pb->name_buffer;
int remaining = pb->buffer_size;
int i;
pb->first_index = index;
if (num_entries > MAX_PLAYLIST_ENTRIES)
num_entries = MAX_PLAYLIST_ENTRIES;
for (i = 0; i < num_entries; i++)
{
int len = playlist_entry_load(&(pb->tracks[i]), index, p, remaining);
if (len < 0)
{
/* Out of name buffer space */
num_entries = i;
break;
}
p += len;
remaining -= len;
if(direction == FORWARD)
index++;
else
index--;
index += viewer.num_tracks;
index %= viewer.num_tracks;
}
pb->direction = direction;
pb->num_loaded = i;
}
/* playlist_buffer_load_entries_screen()
* This function is called when the currently selected item gets too close
* to the start or the end of the loaded part of the playlis, or when
* the list callback requests a playlist item that has not been loaded yet
*
* reference_track is either the currently selected track, or the track that
* has been requested by the callback, and has not been loaded yet.
*/
static void playlist_buffer_load_entries_screen(struct playlist_buffer * pb,
enum direction direction,
int reference_track)
{
if (direction == FORWARD)
{
int min_start = reference_track-2*screens[0].getnblines();
while (min_start < 0)
min_start += viewer.num_tracks;
min_start %= viewer.num_tracks;
playlist_buffer_load_entries(pb, min_start, FORWARD);
}
else
{
int max_start = reference_track+2*screens[0].getnblines();
max_start %= viewer.num_tracks;
playlist_buffer_load_entries(pb, max_start, BACKWARD);
}
}
static int playlist_entry_load(struct playlist_entry *entry, int index,
char* name_buffer, int remaining_size)
{
struct playlist_track_info info;
int len;
/* Playlist viewer orders songs based on display index. We need to
convert to real playlist index to access track */
index = (index + playlist_get_first_index(viewer.playlist)) %
viewer.num_tracks;
if (playlist_get_track_info(viewer.playlist, index, &info) < 0)
return -1;
len = strlen(info.filename) + 1;
if (len <= remaining_size)
{
strcpy(name_buffer, info.filename);
entry->name = name_buffer;
entry->index = info.index;
entry->display_index = info.display_index;
entry->queued = info.attr & PLAYLIST_ATTR_QUEUED;
entry->skipped = info.attr & PLAYLIST_ATTR_SKIPPED;
return len;
}
return -1;
}
static int playlist_buffer_get_index(struct playlist_buffer *pb, int index)
{
int buffer_index;
if (pb->direction == FORWARD)
{
if (index >= pb->first_index)
buffer_index = index-pb->first_index;
else /* rotation : track0 in buffer + requested track */
buffer_index = viewer.num_tracks-pb->first_index+index;
}
else
{
if (index <= pb->first_index)
buffer_index = pb->first_index-index;
else /* rotation : track0 in buffer + dist from the last track
to the requested track (num_tracks-requested track) */
buffer_index = pb->first_index+viewer.num_tracks-index;
}
return buffer_index;
}
#define distance(a, b) \
a>b? (a) - (b) : (b) - (a)
static bool playlist_buffer_needs_reload(struct playlist_buffer* pb,
int track_index)
{
if (pb->num_loaded == viewer.num_tracks)
return false;
int selected_index = playlist_buffer_get_index(pb, track_index);
int first_buffer_index = playlist_buffer_get_index(pb, pb->first_index);
int distance_beginning = distance(selected_index, first_buffer_index);
if (distance_beginning < MIN_BUFFER_MARGIN)
return true;
if (pb->num_loaded - distance_beginning < MIN_BUFFER_MARGIN)
return true;
return false;
}
static struct playlist_entry * playlist_buffer_get_track(struct playlist_buffer *pb,
int index)
{
int buffer_index = playlist_buffer_get_index(pb, index);
/* Make sure that we are not returning an invalid pointer.
In some cases, when scrolling really fast, it could happen that a reqested track
has not been pre-loaded */
if (buffer_index < 0) {
playlist_buffer_load_entries_screen(&viewer.buffer,
pb->direction == FORWARD ? BACKWARD : FORWARD,
index);
} else if (buffer_index >= pb->num_loaded) {
playlist_buffer_load_entries_screen(&viewer.buffer,
pb->direction,
index);
}
buffer_index = playlist_buffer_get_index(pb, index);
if (buffer_index < 0 || buffer_index >= pb->num_loaded) {
/* This really shouldn't happen. If this happens, then
the name_buffer is probably too small to store enough
titles to fill the screen, and preload data in the short
direction.
If this happens then scrolling performance will probably
be quite low, but it's better then having Data Abort errors */
playlist_buffer_load_entries(pb, index, FORWARD);
buffer_index = playlist_buffer_get_index(pb, index);
}
return &(pb->tracks[buffer_index]);
}
/* Initialize the playlist viewer. */
static bool playlist_viewer_init(struct playlist_viewer * viewer,
const char* filename, bool reload)
{
char* buffer;
size_t buffer_size;
bool is_playing = audio_status() & (AUDIO_STATUS_PLAY | AUDIO_STATUS_PAUSE);
bool have_list = filename || is_playing;
if (!have_list && (global_status.resume_index != -1))
{
/* Try to restore the list from control file */
have_list = (playlist_resume() != -1);
}
if (!have_list && (playlist_amount() > 0))
{
/*If dynamic playlist still exists, view it anyway even
if playback has reached the end of the playlist */
have_list = true;
}
if (!have_list)
{
/* Nothing to view, exit */
splash(HZ, str(LANG_CATALOG_NO_PLAYLISTS));
return false;
}
buffer = plugin_get_buffer(&buffer_size);
if (!buffer)
return false;
if (!filename)
viewer->playlist = NULL;
else
{
/* Viewing playlist on disk */
const char *dir, *file;
char *temp_ptr;
char *index_buffer = NULL;
ssize_t index_buffer_size = 0;
viewer->playlist = &temp_playlist;
/* Separate directory from filename */
temp_ptr = strrchr(filename+1,'/');
if (temp_ptr)
{
*temp_ptr = 0;
dir = filename;
file = temp_ptr + 1;
}
else
{
dir = "/";
file = filename+1;
}
if (is_playing)
{
/* Something is playing, use half the plugin buffer for playlist
indices */
index_buffer_size = buffer_size / 2;
index_buffer = buffer;
}
playlist_create_ex(viewer->playlist, dir, file, index_buffer,
index_buffer_size, buffer+index_buffer_size,
buffer_size-index_buffer_size);
if (temp_ptr)
*temp_ptr = '/';
buffer += index_buffer_size;
buffer_size -= index_buffer_size;
}
playlist_buffer_init(&viewer->buffer, buffer, buffer_size);
viewer->moving_track = -1;
viewer->moving_playlist_index = -1;
if (!reload)
{
if (viewer->playlist)
viewer->selected_track = 0;
else
viewer->selected_track = playlist_get_display_index() - 1;
}
if (!update_playlist(true))
return false;
return true;
}
/* Format trackname for display purposes */
static void format_name(char* dest, const char* src)
{
switch (global_settings.playlist_viewer_track_display)
{
case 0:
default:
{
/* Only display the filename */
char* p = strrchr(src, '/');
strcpy(dest, p+1);
/* Remove the extension */
strrsplt(dest, '.');
break;
}
case 1:
/* Full path */
strcpy(dest, src);
break;
}
}
/* Format display line */
static void format_line(const struct playlist_entry* track, char* str,
int len)
{
char name[MAX_PATH];
char *skipped = "";
format_name(name, track->name);
if (track->skipped)
skipped = "(ERR) ";
if (global_settings.playlist_viewer_indices)
/* Display playlist index */
snprintf(str, len, "%d. %s%s", track->display_index, skipped, name);
else
snprintf(str, len, "%s%s", skipped, name);
}
/* Update playlist in case something has changed or forced */
static bool update_playlist(bool force)
{
if (!viewer.playlist)
playlist_get_resume_info(&viewer.current_playing_track);
else
viewer.current_playing_track = -1;
int nb_tracks = playlist_amount_ex(viewer.playlist);
force = force || nb_tracks != viewer.num_tracks;
if (force)
{
/* Reload tracks */
viewer.num_tracks = nb_tracks;
if (viewer.num_tracks <= 0)
{
global_status.resume_index = -1;
global_status.resume_offset = -1;
return false;
}
playlist_buffer_load_entries_screen(&viewer.buffer, FORWARD,
viewer.selected_track);
if (viewer.buffer.num_loaded <= 0)
{
global_status.resume_index = -1;
global_status.resume_offset = -1;
return false;
}
}
return true;
}
/* Menu of playlist commands. Invoked via ON+PLAY on main viewer screen.
Returns -1 if USB attached, 0 if no playlist change, and 1 if playlist
changed. */
static int onplay_menu(int index)
{
int result, ret = 0;
struct playlist_entry * current_track =
playlist_buffer_get_track(&viewer.buffer, index);
MENUITEM_STRINGLIST(menu_items, ID2P(LANG_PLAYLIST), NULL,
ID2P(LANG_CURRENT_PLAYLIST), ID2P(LANG_CATALOG),
ID2P(LANG_REMOVE), ID2P(LANG_MOVE), ID2P(LANG_SHUFFLE),
ID2P(LANG_SAVE_DYNAMIC_PLAYLIST));
bool current = (current_track->index == viewer.current_playing_track);
result = do_menu(&menu_items, NULL, NULL, false);
if (result == MENU_ATTACHED_USB)
{
ret = -1;
}
else if (result >= 0)
{
/* Abort current move */
viewer.moving_track = -1;
viewer.moving_playlist_index = -1;
switch (result)
{
case 0:
/* playlist */
onplay_show_playlist_menu(current_track->name);
ret = 0;
break;
case 1:
/* add to catalog */
onplay_show_playlist_cat_menu(current_track->name);
ret = 0;
break;
case 2:
/* delete track */
playlist_delete(viewer.playlist, current_track->index);
if (current)
{
if (playlist_amount_ex(viewer.playlist) <= 0)
audio_stop();
else
{
/* Start playing new track except if it's the lasttrack
track in the playlist and repeat mode is disabled */
current_track =
playlist_buffer_get_track(&viewer.buffer, index);
if (current_track->display_index!=viewer.num_tracks ||
global_settings.repeat_mode == REPEAT_ALL)
{
audio_play(0);
viewer.current_playing_track = -1;
}
}
}
ret = 1;
break;
case 3:
/* move track */
viewer.moving_track = index;
viewer.moving_playlist_index = current_track->index;
ret = 0;
break;
case 4:
/* shuffle */
playlist_randomise(viewer.playlist, current_tick, false);
ret = 1;
break;
case 5:
/* save playlist */
save_playlist_screen(viewer.playlist);
ret = 0;
break;
}
}
return ret;
}
/* View current playlist */
enum playlist_viewer_result playlist_viewer(void)
{
return playlist_viewer_ex(NULL);
}
static int get_track_num(struct playlist_viewer *local_viewer,
int selected_item)
{
if (local_viewer->moving_track >= 0)
{
if (local_viewer->selected_track == selected_item)
{
return local_viewer->moving_track;
}
else if (local_viewer->selected_track > selected_item
&& selected_item >= local_viewer->moving_track)
{
return selected_item+1; /* move down */
}
else if (local_viewer->selected_track < selected_item
&& selected_item <= local_viewer->moving_track)
{
return selected_item-1; /* move up */
}
}
return selected_item;
}
static const char* playlist_callback_name(int selected_item,
void *data,
char *buffer,
size_t buffer_len)
{
struct playlist_viewer *local_viewer = (struct playlist_viewer *)data;
int track_num = get_track_num(local_viewer, selected_item);
struct playlist_entry *track =
playlist_buffer_get_track(&(local_viewer->buffer), track_num);
format_line(track, buffer, buffer_len);
return(buffer);
}
static enum themable_icons playlist_callback_icons(int selected_item,
void *data)
{
struct playlist_viewer *local_viewer = (struct playlist_viewer *)data;
int track_num = get_track_num(local_viewer, selected_item);
struct playlist_entry *track =
playlist_buffer_get_track(&(local_viewer->buffer), track_num);
if (track->index == local_viewer->current_playing_track)
{
/* Current playing track */
return Icon_Audio;
}
else if (track->index == local_viewer->moving_playlist_index)
{
/* Track we are moving */
return Icon_Moving;
}
else if (track->queued)
{
/* Queued track */
return Icon_Queued;
}
else
return Icon_NOICON;
}
static int playlist_callback_voice(int selected_item, void *data)
{
struct playlist_viewer *local_viewer = (struct playlist_viewer *)data;
int track_num = get_track_num(local_viewer, selected_item);
struct playlist_entry *track =
playlist_buffer_get_track(&(local_viewer->buffer), track_num);
bool enqueue = false;
if (global_settings.talk_file_clip || global_settings.talk_file == 2)
{
if (global_settings.playlist_viewer_indices)
{
talk_number(track->display_index, false);
enqueue = true;
}
talk_file_or_spell(NULL, track->name, NULL, enqueue);
}
else if (global_settings.talk_file == 1) /* as numbers */
{
talk_id(VOICE_FILE, false);
talk_number(track->display_index, true);
}
return 0;
}
/* Main viewer function. Filename identifies playlist to be viewed. If NULL,
view current playlist. */
enum playlist_viewer_result playlist_viewer_ex(const char* filename)
{
enum playlist_viewer_result ret = PLAYLIST_VIEWER_OK;
bool exit = false; /* exit viewer */
int button;
bool dirty = false;
struct gui_synclist playlist_lists;
if (!playlist_viewer_init(&viewer, filename, false))
goto exit;
push_current_activity(ACTIVITY_PLAYLISTVIEWER);
gui_synclist_init(&playlist_lists, playlist_callback_name,
&viewer, false, 1, NULL);
gui_synclist_set_voice_callback(&playlist_lists, playlist_callback_voice);
gui_synclist_set_icon_callback(&playlist_lists,
global_settings.playlist_viewer_icons?
&playlist_callback_icons:NULL);
gui_synclist_set_nb_items(&playlist_lists, viewer.num_tracks);
gui_synclist_set_title(&playlist_lists, str(LANG_PLAYLIST), Icon_Playlist);
gui_synclist_select_item(&playlist_lists, viewer.selected_track);
gui_synclist_draw(&playlist_lists);
gui_synclist_speak_item(&playlist_lists);
while (!exit)
{
int track;
if (global_status.resume_index != -1 && !viewer.playlist)
playlist_get_resume_info(&track);
else
track = -1;
if (track != viewer.current_playing_track ||
playlist_amount_ex(viewer.playlist) != viewer.num_tracks)
{
/* Playlist has changed (new track started?) */
if (!update_playlist(false))
goto exit;
/*Needed because update_playlist gives wrong value when
playing is stopped*/
viewer.current_playing_track = track;
gui_synclist_set_nb_items(&playlist_lists, viewer.num_tracks);
gui_synclist_draw(&playlist_lists);
}
/* Timeout so we can determine if play status has changed */
bool res = list_do_action(CONTEXT_TREE, HZ/2,
&playlist_lists, &button, LIST_WRAP_UNLESS_HELD);
/* during moving, another redraw is going to be needed,
* since viewer.selected_track is updated too late (after the first draw)
* drawing the moving item needs it */
viewer.selected_track=gui_synclist_get_sel_pos(&playlist_lists);
if (res)
{
bool reload = playlist_buffer_needs_reload(&viewer.buffer,
viewer.selected_track);
if (reload)
playlist_buffer_load_entries_screen(&viewer.buffer,
button == ACTION_STD_NEXT ? FORWARD : BACKWARD,
viewer.selected_track);
if (reload || viewer.moving_track >= 0)
gui_synclist_draw(&playlist_lists);
}
switch (button)
{
case ACTION_TREE_WPS:
case ACTION_STD_CANCEL:
{
if (viewer.moving_track >= 0)
{
viewer.selected_track = viewer.moving_track;
gui_synclist_select_item(&playlist_lists, viewer.moving_track);
viewer.moving_track = -1;
viewer.moving_playlist_index = -1;
gui_synclist_draw(&playlist_lists);
}
else
{
exit = true;
ret = PLAYLIST_VIEWER_CANCEL;
}
break;
}
case ACTION_STD_OK:
{
struct playlist_entry * current_track =
playlist_buffer_get_track(&viewer.buffer,
viewer.selected_track);
if (viewer.moving_track >= 0)
{
/* Move track */
int ret_val;
ret_val = playlist_move(viewer.playlist,
viewer.moving_playlist_index,
current_track->index);
if (ret_val < 0)
splashf(HZ, (unsigned char *)"%s %s", str(LANG_MOVE),
str(LANG_FAILED));
update_playlist(true);
viewer.moving_track = -1;
viewer.moving_playlist_index = -1;
dirty = true;
}
else if (!viewer.playlist)
{
/* play new track */
if (!global_settings.party_mode)
{
playlist_start(current_track->index, 0);
update_playlist(false);
}
}
else if (!global_settings.party_mode)
{
int start_index = current_track->index;
if (!warn_on_pl_erase())
{
gui_synclist_draw(&playlist_lists);
break;
}
/* New playlist */
if (playlist_set_current(viewer.playlist) < 0)
goto exit;
if (global_settings.playlist_shuffle)
start_index = playlist_shuffle(current_tick, start_index);
playlist_start(start_index, 0);
/* Our playlist is now the current list */
if (!playlist_viewer_init(&viewer, NULL, true))
goto exit;
exit = true;
}
gui_synclist_draw(&playlist_lists);
break;
}
case ACTION_STD_CONTEXT:
{
/* ON+PLAY menu */
int ret_val;
ret_val = onplay_menu(viewer.selected_track);
if (ret_val < 0)
{
ret = PLAYLIST_VIEWER_USB;
goto exit;
}
else if (ret_val > 0)
{
/* Playlist changed */
gui_synclist_del_item(&playlist_lists);
update_playlist(true);
if (viewer.num_tracks <= 0)
exit = true;
if (viewer.selected_track >= viewer.num_tracks)
viewer.selected_track = viewer.num_tracks-1;
dirty = true;
}
gui_synclist_draw(&playlist_lists);
break;
}
case ACTION_STD_MENU:
ret = PLAYLIST_VIEWER_MAINMENU;
goto exit;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED)
{
ret = PLAYLIST_VIEWER_USB;
goto exit;
}
break;
}
}
exit:
pop_current_activity();
if (viewer.playlist)
{
if(dirty && yesno_pop(ID2P(LANG_SAVE_CHANGES)))
save_playlist_screen(viewer.playlist);
playlist_close(viewer.playlist);
}
return ret;
}
static const char* playlist_search_callback_name(int selected_item, void * data,
char *buffer, size_t buffer_len)
{
(void)buffer_len; /* this should probably be used */
int *found_indicies = (int*)data;
static struct playlist_track_info track;
playlist_get_track_info(viewer.playlist, found_indicies[selected_item], &track);
format_name(buffer, track.filename);
return buffer;
}
bool search_playlist(void)
{
char search_str[32] = "";
bool ret = false, exit = false;
int i, playlist_count;
int found_indicies[MAX_PLAYLIST_ENTRIES];
int found_indicies_count = 0, last_found_count = -1;
int button;
struct gui_synclist playlist_lists;
struct playlist_track_info track;
if (!playlist_viewer_init(&viewer, 0, false))
return ret;
if (kbd_input(search_str, sizeof(search_str)) < 0)
return ret;
lcd_clear_display();
playlist_count = playlist_amount_ex(viewer.playlist);
cpu_boost(true);
for (i = 0; i < playlist_count &&
found_indicies_count < MAX_PLAYLIST_ENTRIES; i++)
{
if (found_indicies_count != last_found_count)
{
splashf(0, str(LANG_PLAYLIST_SEARCH_MSG), found_indicies_count,
str(LANG_OFF_ABORT));
last_found_count = found_indicies_count;
}
if (action_userabort(TIMEOUT_NOBLOCK))
break;
playlist_get_track_info(viewer.playlist, i, &track);
if (strcasestr(track.filename,search_str))
found_indicies[found_indicies_count++] = track.index;
yield();
}
cpu_boost(false);
if (!found_indicies_count)
{
return ret;
}
backlight_on();
gui_synclist_init(&playlist_lists, playlist_search_callback_name,
found_indicies, false, 1, NULL);
gui_synclist_set_title(&playlist_lists, str(LANG_SEARCH_RESULTS), NOICON);
gui_synclist_set_icon_callback(&playlist_lists, NULL);
gui_synclist_set_nb_items(&playlist_lists, found_indicies_count);
gui_synclist_select_item(&playlist_lists, 0);
gui_synclist_draw(&playlist_lists);
while (!exit)
{
if (list_do_action(CONTEXT_LIST, HZ/4,
&playlist_lists, &button, LIST_WRAP_UNLESS_HELD))
continue;
switch (button)
{
case ACTION_STD_CANCEL:
exit = true;
break;
case ACTION_STD_OK:
{
int sel = gui_synclist_get_sel_pos(&playlist_lists);
playlist_start(found_indicies[sel], 0);
exit = 1;
}
break;
default:
if (default_event_handler(button) == SYS_USB_CONNECTED)
{
ret = true;
exit = true;
}
break;
}
}
return ret;
}
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