apps/plugins/alarmclock.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Clément Pit-Claudel
  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 "plugin.h"
  23 #include "lib/pluginlib_actions.h"
  24
  25
  26
  27 const struct button_mapping *plugin_contexts[] = { pla_main_ctx };
  28
  29 static int current = 0;
  30 static bool tomorrow = false;
  31 static int alarm[2] = {0, 0}, maxval[2] = {24, 60}, prev_tick = 3600 * 24;
  32 static bool quit = false, usb = false, waiting = false, done = false;
  33
  34 static inline int get_button(void)
  35 {
  36     return pluginlib_getaction(HZ/2, plugin_contexts,
  37                                ARRAYLEN(plugin_contexts));
  38 }
  39
  40 static int rem_seconds(void)
  41 {
  42     int seconds = (((alarm[0] - rb->get_time()->tm_hour) * 3600)
  43                   +((alarm[1] - rb->get_time()->tm_min)  * 60)
  44                   -(rb->get_time()->tm_sec));
  45
  46     /* The tomorrow flag means that the alarm should ring on the next day */
  47     if (seconds > prev_tick) tomorrow = false;
  48     prev_tick = seconds;
  49
  50     return seconds + (tomorrow ? 24 * 3600 : 0);
  51 }
  52
  53 static void draw_centered_string(struct screen * display, char * string)
  54 {
  55     int w, h;
  56     display->getstringsize(string, &w, &h);
  57
  58     if (w > display->lcdwidth || h > display->lcdheight) {
  59         rb->splash(0, string);
  60     } else {
  61         display->putsxy((display->lcdwidth - w) / 2,
  62                         (display->lcdheight - h) / 2,
  63                         string);
  64         display->update();
  65     }
  66 }
  67
  68 static void draw(struct screen * display)
  69 {
  70     char info[128];
  71     display->clear_display();
  72
  73     int secs = rem_seconds();
  74
  75     if (waiting)
  76         rb->snprintf(info, sizeof(info), "Next alarm in %02dh,"
  77                                          " %02dmn, and %02ds.",
  78                            secs / 3600, (secs / 60) % 60, secs % 60);
  79     else {
  80         if (current == 0)
  81             rb->snprintf(info, sizeof(info), "Set alarm at [%02d]:%02d.",
  82                                                                  alarm[0],
  83                                                                  alarm[1]);
  84         else
  85             rb->snprintf(info, sizeof(info), "Set alarm at %02d:[%02d].",
  86                                                                  alarm[0],
  87                                                                  alarm[1]);
  88     }
  89     draw_centered_string(display, info);
  90 }
  91
  92 static bool can_play(void)
  93 {
  94     int audio_status = rb->audio_status();
  95     if ((!audio_status && rb->global_status->resume_index != -1)
  96         && (rb->playlist_resume() != -1)) {
  97         return true;
  98     }
  99     else if (audio_status & AUDIO_STATUS_PLAY)
 100         return true;
 101
 102     return false;
 103 }
 104
 105 static void play(void)
 106 {
 107     int audio_status = rb->audio_status();
 108     if (!audio_status && rb->global_status->resume_index != -1) {
 109         if (rb->playlist_resume() != -1) {
 110             rb->playlist_start(rb->global_status->resume_index,
 111                 rb->global_status->resume_offset);
 112         }
 113     }
 114     else if (audio_status & AUDIO_STATUS_PLAY)
 115         rb->audio_resume();
 116 }
 117
 118 static void pause(void)
 119 {
 120     if (rb->audio_status() & AUDIO_STATUS_PLAY)
 121         rb->audio_pause();
 122 }
 123
 124 enum plugin_status plugin_start(const void* parameter)
 125 {
 126     int button;
 127     (void)parameter;
 128
 129     if (!can_play()) {
 130         rb->splash(HZ*2, "No track to resume! "
 131                          "Play or pause one first.");
 132         return PLUGIN_ERROR;
 133     }
 134     pause();
 135
 136     while(!quit) {
 137         button = get_button();
 138
 139         if (button == PLA_EXIT || button == PLA_CANCEL)
 140             quit = true;
 141
 142         FOR_NB_SCREENS(i) {
 143             draw(rb->screens[i]);
 144         }
 145         if (waiting) {
 146             if (rem_seconds() <= 0) {
 147                 quit = done = true;
 148                 play();
 149             }
 150         }
 151         else {
 152             switch (button) {
 153                 case PLA_UP:
 154                 case PLA_UP_REPEAT:
 155 #ifdef HAVE_SCROLLWHEEL
 156                 case PLA_SCROLL_FWD:
 157                 case PLA_SCROLL_FWD_REPEAT:
 158 #endif
 159                     alarm[current] = (alarm[current] + 1) % maxval[current];
 160                     break;
 161                 case PLA_DOWN:
 162                 case PLA_DOWN_REPEAT:
 163 #ifdef HAVE_SCROLLWHEEL
 164                 case PLA_SCROLL_BACK:
 165                 case PLA_SCROLL_BACK_REPEAT:
 166 #endif
 167                     alarm[current] = (alarm[current] + maxval[current] - 1)
 168                         % maxval[current];
 169                     break;
 170
 171                 case PLA_LEFT:
 172                 case PLA_LEFT_REPEAT:
 173                 case PLA_RIGHT:
 174                 case PLA_RIGHT_REPEAT:
 175                     current = (current + 1) % 2;
 176                     break;
 177
 178                 case PLA_SELECT:
 179                 case PLA_SELECT_REPEAT: {
 180                     if (rem_seconds() < 0)
 181                         tomorrow = true;
 182
 183                     waiting = true;
 184                     break;
 185                 }
 186
 187                 default:
 188                     if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 189                         quit = usb = true;
 190                     break;
 191             }
 192         }
 193     }
 194
 195     return (usb) ? PLUGIN_USB_CONNECTED
 196                  : (done ? PLUGIN_GOTO_WPS : PLUGIN_OK);
 197 }