apps/plugins/clock/clock_settings.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Copyright Kévin Ferrare based on Zakk Roberts's work
  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 "clock.h"
  23 #include "clock_bitmaps.h"
  24 #include "clock_draw.h"
  25 #include "clock_settings.h"
  26 #include "lib/picture.h"
  27
  28 static int max_skin[]={
  29     [ANALOG]=2,
  30     [BINARY]=3,
  31     [DIGITAL]=2,
  32 };
  33
  34 enum message{
  35     MESSAGE_LOADING,
  36     MESSAGE_LOADED,
  37     MESSAGE_ERRLOAD,
  38     MESSAGE_SAVING,
  39     MESSAGE_SAVED,
  40     MESSAGE_ERRSAVE
  41 };
  42
  43 enum settings_file_status{
  44     LOADED, ERRLOAD,
  45     SAVED, ERRSAVE
  46 };
  47
  48 struct clock_settings clock_settings;
  49
  50 /* The settings as they exist on the hard disk, so that
  51  * we can know at saving time if changes have been made */
  52 struct clock_settings hdd_clock_settings;
  53
  54 static bool settings_needs_saving(struct clock_settings* settings){
  55     return(rb->memcmp(settings, &hdd_clock_settings, sizeof(*settings)));
  56 }
  57
  58 void clock_settings_reset(struct clock_settings* settings){
  59     settings->mode = ANALOG;
  60     int i;
  61     for(i=0;i<NB_CLOCK_MODES;i++){
  62         settings->skin[i]=0;
  63     }
  64     settings->general.hour_format = H12;
  65     settings->general.date_format = EUROPEAN;
  66     settings->general.show_counter = true;
  67     settings->general.save_settings = true;
  68     settings->general.idle_poweroff=true;
  69     settings->general.backlight = ROCKBOX_SETTING;
  70
  71     settings->analog.show_date = false;
  72     settings->analog.show_seconds = true;
  73     settings->analog.show_border = true;
  74
  75     settings->digital.show_seconds = true;
  76     settings->digital.blinkcolon = false;
  77     apply_backlight_setting(settings->general.backlight);
  78 }
  79
  80 void apply_backlight_setting(int backlight_setting)
  81 {
  82     if(backlight_setting == ALWAS_OFF)
  83         rb->backlight_set_timeout(-1);
  84     else if(backlight_setting == ROCKBOX_SETTING)
  85         rb->backlight_set_timeout(rb->global_settings->backlight_timeout);
  86     else if(backlight_setting == ALWAYS_ON)
  87         rb->backlight_set_timeout(0);
  88 }
  89
  90 void clock_settings_skin_next(struct clock_settings* settings){
  91     settings->skin[settings->mode]++;
  92     if(settings->skin[settings->mode]>=max_skin[settings->mode])
  93         settings->skin[settings->mode]=0;
  94 }
  95
  96 void clock_settings_skin_previous(struct clock_settings* settings){
  97     settings->skin[settings->mode]--;
  98     if(settings->skin[settings->mode]<0)
  99         settings->skin[settings->mode]=max_skin[settings->mode]-1;
 100 }
 101
 102 static enum settings_file_status clock_settings_load(
 103         struct clock_settings* settings,char* filename){
 104     int fd = rb->open(filename, O_RDONLY);
 105     if(fd >= 0){ /* does file exist? */
 106         /* basic consistency check */
 107         if(rb->filesize(fd) == sizeof(*settings)){
 108             rb->read(fd, settings, sizeof(*settings));
 109             rb->close(fd);
 110             apply_backlight_setting(settings->general.backlight);
 111             rb->memcpy(&hdd_clock_settings, settings, sizeof(*settings));
 112             return(LOADED);
 113         }
 114     }
 115     /* Initializes the settings with default values at least */
 116     clock_settings_reset(settings);
 117     return(ERRLOAD);
 118 }
 119
 120 static enum settings_file_status clock_settings_save(
 121         struct clock_settings* settings, char* filename){
 122     int fd = rb->creat(filename, 0666);
 123     if(fd >= 0){ /* does file exist? */
 124         rb->write (fd, settings, sizeof(*settings));
 125         rb->close(fd);
 126         return(SAVED);
 127     }
 128     return(ERRSAVE);
 129 }
 130
 131 static void draw_logo(struct screen* display){
 132 #ifdef HAVE_LCD_COLOR
 133     if(display->is_color){
 134         display->set_foreground(LCD_BLACK);
 135         display->set_background(LCD_RGBPACK(180,200,230));
 136     }
 137 #endif
 138
 139     const struct picture* logo = &(logos[display->screen_type]);
 140     display->clear_display();
 141     picture_draw(display, logo, 0, 0);
 142 }
 143
 144 static void draw_message(struct screen* display, int msg, int y){
 145     const struct picture* message = &(messages[display->screen_type]);
 146     display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 147     display->fillrect(0, display->getheight()-message->slide_height,
 148                       display->getwidth(), message->slide_height);
 149     display->set_drawmode(DRMODE_SOLID);
 150     vertical_picture_draw_sprite(display, message, msg,
 151                                  0, display->getheight() -
 152                                     (message->slide_height*y));
 153 }
 154
 155 void load_settings(void){
 156     struct screen* display;
 157     FOR_NB_SCREENS(i){
 158         display=rb->screens[i];
 159         display->clear_display();
 160         draw_logo(display);
 161         draw_message(display, MESSAGE_LOADING, 1);
 162         display->update();
 163     }
 164
 165     enum settings_file_status load_status=
 166         clock_settings_load(&clock_settings, settings_filename);
 167
 168     FOR_NB_SCREENS(i){
 169         display=rb->screens[i];
 170         if(load_status==LOADED)
 171             draw_message(display, MESSAGE_LOADED, 1);
 172         else
 173             draw_message(display, MESSAGE_ERRLOAD, 1);
 174         display->update();
 175     }
 176     rb->storage_sleep();
 177     rb->sleep(HZ);
 178 }
 179
 180 void save_settings(void){
 181     struct screen* display;
 182     if(!settings_needs_saving(&clock_settings))
 183         return;
 184
 185     FOR_NB_SCREENS(i){
 186         display=rb->screens[i];
 187         display->clear_display();
 188         draw_logo(display);
 189
 190         draw_message(display, MESSAGE_SAVING, 1);
 191
 192         display->update();
 193     }
 194     enum settings_file_status load_status=
 195         clock_settings_save(&clock_settings, settings_filename);
 196
 197     FOR_NB_SCREENS(i){
 198         display=rb->screens[i];
 199
 200         if(load_status==SAVED)
 201             draw_message(display, MESSAGE_SAVED, 1);
 202         else
 203             draw_message(display, MESSAGE_ERRSAVE, 1);
 204         display->update();
 205     }
 206     rb->sleep(HZ);
 207 }
 208
 209 void save_settings_wo_gui(void){
 210     clock_settings_save(&clock_settings, settings_filename);
 211 }