apps/gui/statusbar-skinned.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 Thomas Martitz
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include "config.h"
  23
  24 #include "system.h"
  25 #include "settings.h"
  26 #include "appevents.h"
  27 #include "screens.h"
  28 #include "screen_access.h"
  29 #include "skin_engine/skin_engine.h"
  30 #include "skin_engine/wps_internals.h"
  31 #include "viewport.h"
  32 #include "statusbar.h"
  33 #include "statusbar-skinned.h"
  34 #include "debug.h"
  35
  36
  37 /* currently only one wps_state is needed */
  38 extern struct wps_state     wps_state; /* from wps.c */
  39 static struct gui_wps       sb_skin[NB_SCREENS]      = {{ .data = NULL }};
  40 static struct wps_data      sb_skin_data[NB_SCREENS] = {{ .wps_loaded = 0 }};
  41 static struct wps_sync_data sb_skin_sync_data        = { .do_full_update = false };
  42
  43 /* initial setup of wps_data  */
  44 static void sb_skin_update(void*);
  45 static bool loaded_ok[NB_SCREENS] = { false };
  46 static int update_delay = DEFAULT_UPDATE_DELAY;
  47
  48
  49 void sb_skin_data_load(enum screen_type screen, const char *buf, bool isfile)
  50 {
  51     struct wps_data *data = sb_skin[screen].data;
  52
  53     int success;
  54     success = buf && skin_data_load(data, buf, isfile);
  55
  56     if (success)
  57     {  /* hide the sb's default viewport because it has nasty effect with stuff
  58         * not part of the statusbar,
  59         * hence .sbs's without any other vps are unsupported*/
  60         struct skin_viewport *vp = find_viewport(VP_DEFAULT_LABEL, data);
  61         struct skin_token_list *next_vp = data->viewports->next;
  62
  63         if (!next_vp)
  64         {    /* no second viewport, let parsing fail */
  65             success = false;
  66         }
  67         /* hide this viewport, forever */
  68         vp->hidden_flags = VP_NEVER_VISIBLE;
  69     }
  70
  71     if (!success)
  72         remove_event(GUI_EVENT_ACTIONUPDATE, sb_skin_update);
  73
  74 #ifdef HAVE_REMOVE_LCD
  75     data->remote_wps = !(screen == SCREEN_MAIN);
  76 #endif
  77     loaded_ok[screen] = success;
  78 }
  79
  80 struct viewport *sb_skin_get_info_vp(enum screen_type screen)
  81 {
  82     return &find_viewport(VP_INFO_LABEL, sb_skin[screen].data)->vp;
  83 }
  84
  85 inline bool sb_skin_get_state(enum screen_type screen)
  86 {
  87     int skinbars = sb_skin[screen].sync_data->statusbars;
  88     return loaded_ok[screen] && (skinbars & VP_SB_ONSCREEN(screen));
  89 }
  90
  91
  92 static void do_update_callback(void *param)
  93 {
  94     (void)param;
  95     /* the WPS handles changing the actual id3 data in the id3 pointers
  96      * we imported, we just want a full update */
  97     sb_skin_sync_data.do_full_update = true;
  98     /* force timeout in wps main loop, so that the update is instantly */
  99     queue_post(&button_queue, BUTTON_NONE, 0);
 100 }
 101
 102
 103 void sb_skin_set_state(int state, enum screen_type screen)
 104 {
 105     sb_skin[screen].sync_data->do_full_update = true;
 106     int skinbars = sb_skin[screen].sync_data->statusbars;
 107     if (state)
 108     {
 109         skinbars |= VP_SB_ONSCREEN(screen);
 110     }
 111     else
 112     {
 113         skinbars &= ~VP_SB_ONSCREEN(screen);
 114     }
 115
 116     if (skinbars)
 117     {
 118 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 119         add_event(LCD_EVENT_ACTIVATION, false, do_update_callback);
 120 #endif
 121         add_event(GUI_EVENT_ACTIONUPDATE, false, sb_skin_update);
 122     }
 123     else
 124     {
 125 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 126         add_event(LCD_EVENT_ACTIVATION, false, do_update_callback);
 127 #endif
 128         remove_event(GUI_EVENT_ACTIONUPDATE, sb_skin_update);
 129     }
 130
 131     sb_skin[screen].sync_data->statusbars = skinbars;
 132 }
 133
 134 static void sb_skin_update(void* param)
 135 {
 136     static long next_update = 0;
 137     int i;
 138     int forced_draw = param ||  sb_skin[SCREEN_MAIN].sync_data->do_full_update;
 139     if (TIME_AFTER(current_tick, next_update) || forced_draw)
 140     {
 141         FOR_NB_SCREENS(i)
 142         {
 143             if (sb_skin_get_state(i))
 144             {
 145 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 146                 /* currently, all remotes are readable without backlight
 147                  * so still update those */
 148                 if (lcd_active() || (i != SCREEN_MAIN))
 149 #endif
 150                     skin_update(&sb_skin[i], forced_draw?
 151                             WPS_REFRESH_ALL : WPS_REFRESH_NON_STATIC);
 152             }
 153         }
 154         next_update = current_tick + update_delay; /* don't update too often */
 155         sb_skin[SCREEN_MAIN].sync_data->do_full_update = false;
 156     }
 157 }
 158
 159 void sb_skin_set_update_delay(int delay)
 160 {
 161     update_delay = delay;
 162 }
 163
 164
 165 void sb_skin_init(void)
 166 {
 167     int i;
 168     FOR_NB_SCREENS(i)
 169     {
 170 #ifdef HAVE_ALBUMART
 171         sb_skin_data[i].albumart = NULL;
 172         sb_skin_data[i].playback_aa_slot = -1;
 173 #endif
 174 #ifdef HAVE_REMOTE_LCD
 175         sb_skin_data[i].remote_wps = (i == SCREEN_REMOTE);
 176 #endif
 177         sb_skin[i].data = &sb_skin_data[i];
 178         sb_skin[i].display = &screens[i];
 179         /* Currently no seperate wps_state needed/possible
 180            so use the only available ( "global" ) one */
 181         sb_skin[i].state = &wps_state;
 182         sb_skin_sync_data.statusbars = VP_SB_HIDE_ALL;
 183         sb_skin[i].sync_data = &sb_skin_sync_data;
 184     }
 185     add_event(PLAYBACK_EVENT_TRACK_CHANGE, false, do_update_callback);
 186     add_event(PLAYBACK_EVENT_NEXTTRACKID3_AVAILABLE, false, do_update_callback);
 187 }