src/bin/e_screensaver.c

   1 #include "e.h"
   2
   3 static Ecore_Event_Handler *_e_screensaver_handler_config_mode = NULL;
   4 static Ecore_Event_Handler *_e_screensaver_handler_screensaver_notify = NULL;
   5 static Ecore_Event_Handler *_e_screensaver_handler_border_fullscreen = NULL;
   6 static Ecore_Event_Handler *_e_screensaver_handler_border_unfullscreen = NULL;
   7 static Ecore_Event_Handler *_e_screensaver_handler_border_remove = NULL;
   8 static Ecore_Event_Handler *_e_screensaver_handler_border_iconify = NULL;
   9 static Ecore_Event_Handler *_e_screensaver_handler_border_uniconify = NULL;
  10 static Ecore_Event_Handler *_e_screensaver_handler_border_desk_set = NULL;
  11 static Ecore_Event_Handler *_e_screensaver_handler_desk_show = NULL;
  12 static E_Dialog *_e_screensaver_ask_presentation_dia = NULL;
  13 static int _e_screensaver_ask_presentation_count = 0;
  14
  15 static int _e_screensaver_timeout = 0;
  16 static int _e_screensaver_interval = 0;
  17 static int _e_screensaver_blanking = 0;
  18 static int _e_screensaver_expose = 0;
  19
  20 EAPI void
  21 e_screensaver_update(void)
  22 {
  23    int timeout = 0, interval = 0, blanking = 0, expose = 0;
  24    int count = (1 + _e_screensaver_ask_presentation_count);
  25    Eina_Bool changed = EINA_FALSE;
  26
  27    if ((e_config->screensaver_enable) && (!e_config->mode.presentation) &&
  28        (!e_util_fullscreen_curreny_any()))
  29      timeout = e_config->screensaver_timeout * count;
  30
  31    interval = e_config->screensaver_interval;
  32    blanking = e_config->screensaver_blanking;
  33    expose = e_config->screensaver_expose;
  34
  35    if (_e_screensaver_timeout != timeout)
  36      {
  37         _e_screensaver_timeout = timeout;
  38         changed = EINA_TRUE;
  39      }
  40    if (_e_screensaver_interval != interval)
  41      {
  42         _e_screensaver_interval = interval;
  43         changed = EINA_TRUE;
  44      }
  45    if (_e_screensaver_blanking != blanking)
  46      {
  47         _e_screensaver_blanking = blanking;
  48         changed = EINA_TRUE;
  49      }
  50    if (_e_screensaver_expose != expose)
  51      {
  52         _e_screensaver_expose = expose;
  53         changed = EINA_TRUE;
  54      }
  55
  56    if (changed) ecore_x_screensaver_set(timeout, interval, blanking, expose);
  57 }
  58
  59 static Eina_Bool
  60 _e_screensaver_handler_config_mode_cb(void *data __UNUSED__, int type __UNUSED__, void *event __UNUSED__)
  61 {
  62    e_screensaver_update();
  63    return ECORE_CALLBACK_PASS_ON;
  64 }
  65
  66 static void
  67 _e_screensaver_ask_presentation_del(void *data)
  68 {
  69    if (_e_screensaver_ask_presentation_dia == data)
  70      _e_screensaver_ask_presentation_dia = NULL;
  71 }
  72
  73 static void
  74 _e_screensaver_ask_presentation_yes(void *data __UNUSED__, E_Dialog *dia)
  75 {
  76    e_config->mode.presentation = 1;
  77    e_config_mode_changed();
  78    e_config_save_queue();
  79    e_object_del(E_OBJECT(dia));
  80    _e_screensaver_ask_presentation_count = 0;
  81 }
  82
  83 static void
  84 _e_screensaver_ask_presentation_no(void *data __UNUSED__, E_Dialog *dia)
  85 {
  86    e_object_del(E_OBJECT(dia));
  87    _e_screensaver_ask_presentation_count = 0;
  88 }
  89
  90 static void
  91 _e_screensaver_ask_presentation_no_increase(void *data __UNUSED__, E_Dialog *dia)
  92 {
  93    _e_screensaver_ask_presentation_count++;
  94    e_screensaver_update();
  95    e_object_del(E_OBJECT(dia));
  96 }
  97
  98 static void
  99 _e_screensaver_ask_presentation_no_forever(void *data __UNUSED__, E_Dialog *dia)
 100 {
 101    e_config->screensaver_ask_presentation = 0;
 102    e_config_save_queue();
 103    e_object_del(E_OBJECT(dia));
 104    _e_screensaver_ask_presentation_count = 0;
 105 }
 106
 107 static void
 108 _e_screensaver_ask_presentation_key_down(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event)
 109 {
 110    Evas_Event_Key_Down *ev = event;
 111    E_Dialog *dia = data;
 112
 113    if (strcmp(ev->keyname, "Return") == 0)
 114      _e_screensaver_ask_presentation_yes(NULL, dia);
 115    else if (strcmp(ev->keyname, "Escape") == 0)
 116      _e_screensaver_ask_presentation_no(NULL, dia);
 117 }
 118
 119 static void
 120 _e_screensaver_ask_presentation_mode(void)
 121 {
 122    E_Manager *man;
 123    E_Container *con;
 124    E_Dialog *dia;
 125
 126    if (_e_screensaver_ask_presentation_dia) return;
 127
 128    if (!(man = e_manager_current_get())) return;
 129    if (!(con = e_container_current_get(man))) return;
 130    if (!(dia = e_dialog_new(con, "E", "_screensaver_ask_presentation"))) return;
 131
 132    e_dialog_title_set(dia, _("Activate Presentation Mode?"));
 133    e_dialog_icon_set(dia, "dialog-ask", 64);
 134    e_dialog_text_set(dia,
 135                      _("You disabled screensaver too fast.<br><br>"
 136                        "Would you like to enable <b>presentation</b> mode and "
 137                        "temporarily disable screen saver, lock and power saving?"));
 138
 139    e_object_del_attach_func_set(E_OBJECT(dia),
 140                                 _e_screensaver_ask_presentation_del);
 141    e_dialog_button_add(dia, _("Yes"), NULL,
 142                        _e_screensaver_ask_presentation_yes, NULL);
 143    e_dialog_button_add(dia, _("No"), NULL,
 144                        _e_screensaver_ask_presentation_no, NULL);
 145    e_dialog_button_add(dia, _("No, but increase timeout"), NULL,
 146                        _e_screensaver_ask_presentation_no_increase, NULL);
 147    e_dialog_button_add(dia, _("No, and stop asking"), NULL,
 148                        _e_screensaver_ask_presentation_no_forever, NULL);
 149
 150    e_dialog_button_focus_num(dia, 0);
 151    e_widget_list_homogeneous_set(dia->box_object, 0);
 152    e_win_centered_set(dia->win, 1);
 153    e_dialog_show(dia);
 154
 155    evas_object_event_callback_add(dia->bg_object, EVAS_CALLBACK_KEY_DOWN,
 156                                   _e_screensaver_ask_presentation_key_down, dia);
 157
 158    _e_screensaver_ask_presentation_dia = dia;
 159 }
 160
 161 static Eina_Bool
 162 _e_screensaver_handler_screensaver_notify_cb(void *data __UNUSED__, int type __UNUSED__, void *event)
 163 {
 164    Ecore_X_Event_Screensaver_Notify *e = event;
 165    static double last_start = 0.0;
 166
 167    if (e->on)
 168      {
 169         last_start = ecore_loop_time_get();
 170         _e_screensaver_ask_presentation_count = 0;
 171      }
 172    else if ((last_start > 0.0) && (e_config->screensaver_ask_presentation))
 173      {
 174         double current = ecore_loop_time_get();
 175
 176         if (last_start + e_config->screensaver_ask_presentation_timeout >= current)
 177           _e_screensaver_ask_presentation_mode();
 178         last_start = 0.0;
 179      }
 180    else if (_e_screensaver_ask_presentation_count)
 181      _e_screensaver_ask_presentation_count = 0;
 182
 183    return ECORE_CALLBACK_PASS_ON;
 184 }
 185
 186 static Eina_Bool
 187 _e_screensaver_handler_border_fullscreen_check_cb(void *data __UNUSED__, int type __UNUSED__, void *event __UNUSED__)
 188 {
 189    e_screensaver_update();
 190    return ECORE_CALLBACK_PASS_ON;
 191 }
 192
 193 static Eina_Bool
 194 _e_screensaver_handler_border_desk_set_cb(void *data __UNUSED__, int type __UNUSED__, void *event __UNUSED__)
 195 {
 196    e_screensaver_update();
 197    return ECORE_CALLBACK_PASS_ON;
 198 }
 199
 200 static Eina_Bool
 201 _e_screensaver_handler_desk_show_cb(void *data __UNUSED__, int type __UNUSED__, void *event __UNUSED__)
 202 {
 203    e_screensaver_update();
 204    return ECORE_CALLBACK_PASS_ON;
 205 }
 206
 207 EINTERN int
 208 e_screensaver_init(void)
 209 {
 210    _e_screensaver_handler_config_mode = ecore_event_handler_add
 211      (E_EVENT_CONFIG_MODE_CHANGED, _e_screensaver_handler_config_mode_cb, NULL);
 212
 213    _e_screensaver_handler_screensaver_notify = ecore_event_handler_add
 214      (ECORE_X_EVENT_SCREENSAVER_NOTIFY, _e_screensaver_handler_screensaver_notify_cb, NULL);
 215
 216    _e_screensaver_handler_border_fullscreen = ecore_event_handler_add
 217      (E_EVENT_BORDER_FULLSCREEN, _e_screensaver_handler_border_fullscreen_check_cb, NULL);
 218
 219    _e_screensaver_handler_border_unfullscreen = ecore_event_handler_add
 220      (E_EVENT_BORDER_UNFULLSCREEN, _e_screensaver_handler_border_fullscreen_check_cb, NULL);
 221
 222    _e_screensaver_handler_border_remove = ecore_event_handler_add
 223      (E_EVENT_BORDER_REMOVE, _e_screensaver_handler_border_fullscreen_check_cb, NULL);
 224
 225    _e_screensaver_handler_border_iconify = ecore_event_handler_add
 226      (E_EVENT_BORDER_ICONIFY, _e_screensaver_handler_border_fullscreen_check_cb, NULL);
 227
 228    _e_screensaver_handler_border_uniconify = ecore_event_handler_add
 229      (E_EVENT_BORDER_UNICONIFY, _e_screensaver_handler_border_fullscreen_check_cb, NULL);
 230
 231    _e_screensaver_handler_border_desk_set = ecore_event_handler_add
 232      (E_EVENT_BORDER_DESK_SET, _e_screensaver_handler_border_desk_set_cb, NULL);
 233
 234    _e_screensaver_handler_desk_show = ecore_event_handler_add
 235      (E_EVENT_DESK_SHOW, _e_screensaver_handler_desk_show_cb, NULL);
 236
 237    _e_screensaver_timeout = ecore_x_screensaver_timeout_get();
 238    _e_screensaver_interval = ecore_x_screensaver_interval_get();
 239    _e_screensaver_blanking = ecore_x_screensaver_blank_get();
 240    _e_screensaver_expose = ecore_x_screensaver_expose_get();
 241
 242    e_screensaver_update();
 243
 244    return 1;
 245 }
 246
 247 EINTERN int
 248 e_screensaver_shutdown(void)
 249 {
 250    if (_e_screensaver_handler_config_mode)
 251      {
 252         ecore_event_handler_del(_e_screensaver_handler_config_mode);
 253         _e_screensaver_handler_config_mode = NULL;
 254      }
 255
 256    if (_e_screensaver_handler_screensaver_notify)
 257      {
 258         ecore_event_handler_del(_e_screensaver_handler_screensaver_notify);
 259         _e_screensaver_handler_screensaver_notify = NULL;
 260      }
 261
 262    if (_e_screensaver_handler_border_fullscreen)
 263      {
 264         ecore_event_handler_del(_e_screensaver_handler_border_fullscreen);
 265         _e_screensaver_handler_border_fullscreen = NULL;
 266      }
 267
 268    if (_e_screensaver_handler_border_unfullscreen)
 269      {
 270         ecore_event_handler_del(_e_screensaver_handler_border_unfullscreen);
 271         _e_screensaver_handler_border_unfullscreen = NULL;
 272      }
 273
 274    if (_e_screensaver_handler_border_remove)
 275      {
 276         ecore_event_handler_del(_e_screensaver_handler_border_remove);
 277         _e_screensaver_handler_border_remove = NULL;
 278      }
 279
 280    if (_e_screensaver_handler_border_iconify)
 281      {
 282         ecore_event_handler_del(_e_screensaver_handler_border_iconify);
 283         _e_screensaver_handler_border_iconify = NULL;
 284      }
 285
 286    if (_e_screensaver_handler_border_uniconify)
 287      {
 288         ecore_event_handler_del(_e_screensaver_handler_border_uniconify);
 289         _e_screensaver_handler_border_uniconify = NULL;
 290      }
 291
 292    if (_e_screensaver_handler_border_desk_set)
 293      {
 294         ecore_event_handler_del(_e_screensaver_handler_border_desk_set);
 295         _e_screensaver_handler_border_desk_set = NULL;
 296      }
 297
 298    if (_e_screensaver_handler_desk_show)
 299      {
 300         ecore_event_handler_del(_e_screensaver_handler_desk_show);
 301         _e_screensaver_handler_desk_show = NULL;
 302      }
 303
 304    return 1;
 305 }