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rockbox/apps/gui/gwps.c
Thomas Martitz 680990912c Some internal rework of the wps: 
a) Put duplicated code together. The restoration code into the existing restoration part of the main loop, the exiting code into a separate function
b) Let the STATUSBAR_CHANGED event handle fixing the statusbar

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20329 a1c6a512-1295-4272-9138-f99709370657
2009-03-17 01:39:20 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Jerome Kuptz
*
* 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 <string.h>
#include <stdlib.h>
#include "config.h"
#include "system.h"
#include "file.h"
#include "lcd.h"
#include "font.h"
#include "backlight.h"
#include "action.h"
#include "kernel.h"
#include "filetypes.h"
#include "debug.h"
#include "sprintf.h"
#include "settings.h"
#include "gwps.h"
#include "gwps-common.h"
#include "audio.h"
#include "usb.h"
#include "status.h"
#include "storage.h"
#include "screens.h"
#include "playlist.h"
#ifdef HAVE_LCD_BITMAP
#include "icons.h"
#include "peakmeter.h"
#endif
#include "action.h"
#include "lang.h"
#include "bookmark.h"
#include "misc.h"
#include "sound.h"
#include "onplay.h"
#include "abrepeat.h"
#include "playback.h"
#include "splash.h"
#include "cuesheet.h"
#include "ata_idle_notify.h"
#include "root_menu.h"
#include "backdrop.h"
#include "quickscreen.h"
#include "pitchscreen.h"
#include "appevents.h"
#include "viewport.h"
#include "pcmbuf.h"
#define GWPS_INSTANT_RESTORE 0
static void gwps_leave_wps(void)
{
int oldbars = VP_SB_HIDE_ALL;
if (global_settings.statusbar)
oldbars = VP_SB_ALLSCREENS;
viewportmanager_set_statusbar(oldbars);
#if LCD_DEPTH > 1
show_main_backdrop();
#endif
#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
show_remote_main_backdrop();
#endif
}
static int wpsbars;
/* currently only one wps_state is needed */
struct wps_state wps_state;
struct gui_wps gui_wps[NB_SCREENS];
static struct wps_data wps_datas[NB_SCREENS];
/* initial setup of wps_data */
static void wps_state_init(void);
static void prev_track(unsigned skip_thresh)
{
if (!wps_state.id3 || (wps_state.id3->elapsed < skip_thresh*1000)) {
audio_prev();
}
else {
if (cuesheet_is_enabled() && wps_state.id3->cuesheet_type)
{
curr_cuesheet_skip(-1, wps_state.id3->elapsed);
return;
}
if (!wps_state.paused)
#if (CONFIG_CODEC == SWCODEC)
audio_pre_ff_rewind();
#else
audio_pause();
#endif
audio_ff_rewind(0);
#if (CONFIG_CODEC != SWCODEC)
if (!wps_state.paused)
audio_resume();
#endif
}
}
static void next_track(void)
{
/* take care of if we're playing a cuesheet */
if (cuesheet_is_enabled() && wps_state.id3->cuesheet_type)
{
if (curr_cuesheet_skip(1, wps_state.id3->elapsed))
{
/* if the result was false, then we really want
to skip to the next track */
return;
}
}
audio_next();
}
static void play_hop(int direction)
{
unsigned step = ((unsigned)global_settings.skip_length*1000);
unsigned long *elapsed = &(wps_state.id3->elapsed);
if (direction == 1 && wps_state.id3->length - *elapsed < step+1000) {
#if CONFIG_CODEC == SWCODEC
if(global_settings.beep)
pcmbuf_beep(1000, 150, 1500*global_settings.beep);
#endif
return;
} else if ((direction == -1 && *elapsed < step)) {
*elapsed = 0;
} else {
*elapsed += step * direction;
}
if((audio_status() & AUDIO_STATUS_PLAY) && !wps_state.paused) {
#if (CONFIG_CODEC == SWCODEC)
audio_pre_ff_rewind();
#else
audio_pause();
#endif
}
audio_ff_rewind(*elapsed);
#if (CONFIG_CODEC != SWCODEC)
if (!wps_state.paused)
audio_resume();
#endif
}
void gwps_fix_statusbars(void)
{
#ifdef HAVE_LCD_BITMAP
int i;
wpsbars = VP_SB_HIDE_ALL;
FOR_NB_SCREENS(i)
{
bool draw = false;
if (gui_wps[i].data->wps_sb_tag)
draw = gui_wps[i].data->show_sb_on_wps;
if (draw)
wpsbars |= (VP_SB_ONSCREEN(i) | VP_SB_IGNORE_SETTING(i));
}
#else
wpsbars = VP_SB_ALLSCREENS;
#endif
}
/* The WPS can be left in two ways:
* a) call a function, which draws over the wps. In this case, the wps
* will be still active (i.e. the below function didn't return)
* b) return with a value evaluated by root_menu.c, in this case the wps
* is really left, and root_menu will handle the next screen
*
* In either way, call gwps_leave_wps(), in order to restore the correct
* "main screen" backdrops and statusbars
*/
long gui_wps_show(void)
{
long button = 0;
bool restore = false;
long restoretimer = GWPS_INSTANT_RESTORE; /* timer to delay screen redraw temporarily */
bool exit = false;
bool bookmark = false;
bool update_track = false;
int i;
long last_left = 0, last_right = 0;
wps_state_init();
gwps_fix_statusbars();
#ifdef HAVE_LCD_CHARCELLS
status_set_audio(true);
status_set_param(false);
#else
#if LCD_DEPTH > 1
show_wps_backdrop();
#endif /* LCD_DEPTH > 1 */
#endif
#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
show_remote_wps_backdrop();
#endif
#ifdef AB_REPEAT_ENABLE
ab_repeat_init();
ab_reset_markers();
#endif
if(audio_status() & AUDIO_STATUS_PLAY)
{
wps_state.id3 = audio_current_track();
wps_state.nid3 = audio_next_track();
if (wps_state.id3) {
if (gui_wps_display())
return 0;
}
restore = true;
}
while ( 1 )
{
bool audio_paused = (audio_status() & AUDIO_STATUS_PAUSE)?true:false;
/* did someone else (i.e power thread) change audio pause mode? */
if (wps_state.paused != audio_paused) {
wps_state.paused = audio_paused;
/* if another thread paused audio, we are probably in car mode,
about to shut down. lets save the settings. */
if (wps_state.paused) {
settings_save();
#if !defined(HAVE_RTC_RAM) && !defined(HAVE_SW_POWEROFF)
call_storage_idle_notifys(true);
#endif
}
}
#ifdef HAVE_LCD_BITMAP
/* when the peak meter is enabled we want to have a
few extra updates to make it look smooth. On the
other hand we don't want to waste energy if it
isn't displayed */
bool pm=false;
FOR_NB_SCREENS(i)
{
if(gui_wps[i].data->peak_meter_enabled)
pm = true;
}
if (pm) {
long next_refresh = current_tick;
long next_big_refresh = current_tick + HZ / 5;
button = BUTTON_NONE;
while (TIME_BEFORE(current_tick, next_big_refresh)) {
button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,TIMEOUT_NOBLOCK);
if (button != ACTION_NONE) {
break;
}
peak_meter_peek();
sleep(0); /* Sleep until end of current tick. */
if (TIME_AFTER(current_tick, next_refresh)) {
FOR_NB_SCREENS(i)
{
if(gui_wps[i].data->peak_meter_enabled)
gui_wps_refresh(&gui_wps[i], 0,
WPS_REFRESH_PEAK_METER);
next_refresh += HZ / PEAK_METER_FPS;
}
}
}
}
/* The peak meter is disabled
-> no additional screen updates needed */
else
#endif
{
button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,HZ/5);
}
/* Exit if audio has stopped playing. This can happen if using the
sleep timer with the charger plugged or if starting a recording
from F1 */
if (!audio_status())
exit = true;
/* The iPods/X5/M5 use a single button for the A-B mode markers,
defined as ACTION_WPSAB_SINGLE in their config files. */
#ifdef ACTION_WPSAB_SINGLE
if (!global_settings.party_mode && ab_repeat_mode_enabled())
{
static int wps_ab_state = 0;
if (button == ACTION_WPSAB_SINGLE)
{
switch (wps_ab_state)
{
case 0: /* set the A spot */
button = ACTION_WPS_ABSETA_PREVDIR;
break;
case 1: /* set the B spot */
button = ACTION_WPS_ABSETB_NEXTDIR;
break;
case 2:
button = ACTION_WPS_ABRESET;
break;
}
wps_ab_state = (wps_ab_state+1) % 3;
}
}
#endif
switch(button)
{
case ACTION_WPS_CONTEXT:
{
gwps_leave_wps();
/* if music is stopped in the context menu we want to exit the wps */
if (onplay(wps_state.id3->path,
FILE_ATTR_AUDIO, CONTEXT_WPS) == ONPLAY_MAINMENU
|| !audio_status())
return GO_TO_ROOT;
/* track might have changed */
update_track = true;
restore = true;
}
break;
case ACTION_WPS_BROWSE:
#ifdef HAVE_LCD_CHARCELLS
status_set_record(false);
status_set_audio(false);
#endif
FOR_NB_SCREENS(i)
gui_wps[i].display->stop_scroll();
return GO_TO_PREVIOUS_BROWSER;
break;
/* play/pause */
case ACTION_WPS_PLAY:
if (global_settings.party_mode)
break;
if ( wps_state.paused )
{
wps_state.paused = false;
if ( global_settings.fade_on_stop )
fade(true, true);
else
audio_resume();
}
else
{
wps_state.paused = true;
if ( global_settings.fade_on_stop )
fade(false, true);
else
audio_pause();
settings_save();
#if !defined(HAVE_RTC_RAM) && !defined(HAVE_SW_POWEROFF)
call_storage_idle_notifys(true); /* make sure resume info is saved */
#endif
}
break;
/* volume up */
case ACTION_WPS_VOLUP:
{
FOR_NB_SCREENS(i)
gui_wps[i].data->button_time_volume = current_tick;
global_settings.volume++;
bool res = false;
setvol();
FOR_NB_SCREENS(i)
{
if(update_onvol_change(&gui_wps[i]))
res = true;
}
if (res) {
restore = true;
restoretimer = current_tick + HZ;
}
}
break;
/* volume down */
case ACTION_WPS_VOLDOWN:
{
FOR_NB_SCREENS(i)
gui_wps[i].data->button_time_volume = current_tick;
global_settings.volume--;
setvol();
bool res = false;
FOR_NB_SCREENS(i)
{
if(update_onvol_change(&gui_wps[i]))
res = true;
}
if (res) {
restore = true;
restoretimer = current_tick + HZ;
}
}
break;
/* fast forward
OR next dir if this is straight after ACTION_WPS_SKIPNEXT
OR if skip length set, next track if straight after SKIPPREV. */
case ACTION_WPS_SEEKFWD:
if (global_settings.party_mode)
break;
if (global_settings.skip_length == 0
&& current_tick -last_right < HZ)
{
if (cuesheet_is_enabled() && wps_state.id3->cuesheet_type)
{
audio_next();
}
else
{
audio_next_dir();
}
}
else if (global_settings.skip_length > 0
&& current_tick -last_left < HZ) {
next_track();
update_track = true;
}
else ffwd_rew(ACTION_WPS_SEEKFWD);
last_right = last_left = 0;
break;
/* fast rewind
OR prev dir if this is straight after ACTION_WPS_SKIPPREV,
OR if skip length set, beg of track or prev track if this is
straight after SKIPPREV */
case ACTION_WPS_SEEKBACK:
if (global_settings.party_mode)
break;
if (global_settings.skip_length == 0
&& current_tick -last_left < HZ)
{
if (cuesheet_is_enabled() && wps_state.id3->cuesheet_type)
{
if (!wps_state.paused)
#if (CONFIG_CODEC == SWCODEC)
audio_pre_ff_rewind();
#else
audio_pause();
#endif
audio_ff_rewind(0);
}
else
{
audio_prev_dir();
}
}
else if (global_settings.skip_length > 0
&& current_tick -last_right < HZ)
{
prev_track(3+global_settings.skip_length);
update_track = true;
}
else ffwd_rew(ACTION_WPS_SEEKBACK);
last_left = last_right = 0;
break;
/* prev / restart */
case ACTION_WPS_SKIPPREV:
if (global_settings.party_mode)
break;
last_left = current_tick;
update_track = true;
#ifdef AB_REPEAT_ENABLE
/* if we're in A/B repeat mode and the current position
is past the A marker, jump back to the A marker... */
if ( ab_repeat_mode_enabled() )
{
if ( ab_after_A_marker(wps_state.id3->elapsed) )
{
ab_jump_to_A_marker();
break;
#if (AB_REPEAT_ENABLE == 2)
} else {
ab_reset_markers();
#endif
}
}
/* ...otherwise, do it normally */
#endif
if (global_settings.skip_length > 0)
play_hop(-1);
else prev_track(3);
break;
/* next
OR if skip length set, hop by predetermined amount. */
case ACTION_WPS_SKIPNEXT:
if (global_settings.party_mode)
break;
last_right = current_tick;
update_track = true;
#ifdef AB_REPEAT_ENABLE
/* if we're in A/B repeat mode and the current position is
before the A marker, jump to the A marker... */
if ( ab_repeat_mode_enabled() )
{
if ( ab_before_A_marker(wps_state.id3->elapsed) )
{
ab_jump_to_A_marker();
break;
#if (AB_REPEAT_ENABLE == 2)
} else {
ab_reset_markers();
#endif
}
}
/* ...otherwise, do it normally */
#endif
if (global_settings.skip_length > 0)
play_hop(1);
else next_track();
break;
/* next / prev directories */
/* and set A-B markers if in a-b mode */
case ACTION_WPS_ABSETB_NEXTDIR:
if (global_settings.party_mode)
break;
#if defined(AB_REPEAT_ENABLE)
if (ab_repeat_mode_enabled())
{
ab_set_B_marker(wps_state.id3->elapsed);
ab_jump_to_A_marker();
update_track = true;
}
else
#endif
{
if (global_settings.skip_length > 0)
next_track();
else audio_next_dir();
}
break;
case ACTION_WPS_ABSETA_PREVDIR:
if (global_settings.party_mode)
break;
#if defined(AB_REPEAT_ENABLE)
if (ab_repeat_mode_enabled())
ab_set_A_marker(wps_state.id3->elapsed);
else
#endif
{
if (global_settings.skip_length > 0)
prev_track(3);
else audio_prev_dir();
}
break;
/* menu key functions */
case ACTION_WPS_MENU:
FOR_NB_SCREENS(i)
gui_wps[i].display->stop_scroll();
return GO_TO_ROOT;
break;
#ifdef HAVE_QUICKSCREEN
case ACTION_WPS_QUICKSCREEN:
{
gwps_leave_wps();
if (quick_screen_quick(button))
return SYS_USB_CONNECTED;
restore = true;
}
break;
#endif /* HAVE_QUICKSCREEN */
/* screen settings */
#ifdef BUTTON_F3
case ACTION_F3:
{
gwps_leave_wps();
if (quick_screen_f3(BUTTON_F3))
return SYS_USB_CONNECTED;
restore = true;
}
break;
#endif /* BUTTON_F3 */
/* pitch screen */
#ifdef HAVE_PITCHSCREEN
case ACTION_WPS_PITCHSCREEN:
{
gwps_leave_wps();
if (1 == gui_syncpitchscreen_run())
return SYS_USB_CONNECTED;
restore = true;
}
break;
#endif /* HAVE_PITCHSCREEN */
#ifdef AB_REPEAT_ENABLE
/* reset A&B markers */
case ACTION_WPS_ABRESET:
if (ab_repeat_mode_enabled())
{
ab_reset_markers();
update_track = true;
}
break;
#endif /* AB_REPEAT_ENABLE */
/* stop and exit wps */
case ACTION_WPS_STOP:
if (global_settings.party_mode)
break;
bookmark = true;
exit = true;
break;
case ACTION_WPS_ID3SCREEN:
{
gwps_leave_wps();
browse_id3();
restore = true;
}
break;
case ACTION_REDRAW: /* yes are locked, just redraw */
restore = true;
break;
case ACTION_NONE: /* Timeout */
update_track = true;
ffwd_rew(button); /* hopefully fix the ffw/rwd bug */
break;
#ifdef HAVE_RECORDING
case ACTION_WPS_REC:
exit = true;
break;
#endif
case SYS_POWEROFF:
gwps_leave_wps();
default_event_handler(SYS_POWEROFF);
break;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED)
return GO_TO_ROOT;
update_track = true;
break;
}
if (update_track)
{
FOR_NB_SCREENS(i)
{
if(update(&gui_wps[i]))
exit = true;
}
update_track = false;
}
if (restore &&
((restoretimer == GWPS_INSTANT_RESTORE) ||
TIME_AFTER(restore, current_tick)))
{
/* restore wps backrops and statusbars */
#if LCD_DEPTH > 1
show_wps_backdrop();
#endif
#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
show_remote_wps_backdrop();
#endif
viewportmanager_set_statusbar(wpsbars);
restore = false;
restoretimer = GWPS_INSTANT_RESTORE;
if (gui_wps_display()) {
exit = true;
}
}
if (exit) {
gwps_leave_wps();
#ifdef HAVE_LCD_CHARCELLS
status_set_record(false);
status_set_audio(false);
#endif
if (global_settings.fade_on_stop)
fade(false, true);
FOR_NB_SCREENS(i)
gui_wps[i].display->stop_scroll();
if (bookmark)
bookmark_autobookmark();
audio_stop();
#ifdef AB_REPEAT_ENABLE
ab_reset_markers();
#endif
#ifdef HAVE_RECORDING
if (button == ACTION_WPS_REC)
return GO_TO_RECSCREEN;
#endif
if (global_settings.browse_current)
return GO_TO_PREVIOUS_BROWSER;
return GO_TO_PREVIOUS;
}
if (button && !IS_SYSEVENT(button) )
storage_spin();
}
return GO_TO_ROOT; /* unreachable - just to reduce compiler warnings */
}
/* needs checking if needed end*/
/* wps_state */
static void wps_state_init(void)
{
wps_state.ff_rewind = false;
wps_state.paused = false;
wps_state.id3 = NULL;
wps_state.nid3 = NULL;
}
/* wps_state end*/
#ifdef HAVE_LCD_BITMAP
static void statusbar_toggle_handler(void *data)
{
(void)data;
int i;
bool draw = global_settings.statusbar;
FOR_NB_SCREENS(i)
{
struct wps_viewport *vp = &gui_wps[i].data->viewports[0];
if (gui_wps[i].data->wps_sb_tag)
draw = gui_wps[i].data->show_sb_on_wps;
if (!draw)
{
vp->vp.y = 0;
vp->vp.height = screens[i].lcdheight;
}
else
{
vp->vp.y = STATUSBAR_HEIGHT;
vp->vp.height = screens[i].lcdheight - STATUSBAR_HEIGHT;
}
}
}
#endif
void gui_sync_wps_init(void)
{
int i;
FOR_NB_SCREENS(i)
{
wps_data_init(&wps_datas[i]);
#ifdef HAVE_ALBUMART
wps_datas[i].wps_uses_albumart = 0;
#endif
#ifdef HAVE_REMOTE_LCD
wps_datas[i].remote_wps = (i != 0);
#endif
gui_wps[i].data = &wps_datas[i];
gui_wps[i].display = &screens[i];
/* Currently no seperate wps_state needed/possible
so use the only aviable ( "global" ) one */
gui_wps[i].state = &wps_state;
}
#ifdef HAVE_LCD_BITMAP
add_event(GUI_EVENT_STATUSBAR_TOGGLE, false, statusbar_toggle_handler);
#endif
#if LCD_DEPTH > 1
unload_wps_backdrop();
#endif
#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
unload_remote_wps_backdrop();
#endif
}
#ifdef HAVE_ALBUMART
/* Returns true if at least one of the gui_wps screens has an album art
tag in its wps structure */
bool gui_sync_wps_uses_albumart(void)
{
int i;
FOR_NB_SCREENS(i) {
struct gui_wps *gwps = &gui_wps[i];
if (gwps->data && (gwps->data->wps_uses_albumart != WPS_ALBUMART_NONE))
return true;
}
return false;
}
#endif
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