src/viewer/timer.c

   1 /* Internal inactivity timer. */
   2
   3 #ifdef HAVE_CONFIG_H
   4 #include "config.h"
   5 #endif
   6
   7 #include "elinks.h"
   8
   9 #include "config/kbdbind.h"
  10 #include "config/options.h"
  11 #include "intl/gettext/libintl.h"
  12 #include "main/module.h"
  13 #include "main/timer.h"
  14 #include "terminal/event.h"
  15 #include "terminal/kbd.h"
  16 #include "terminal/terminal.h"
  17 #include "util/time.h"
  18 #include "viewer/timer.h"
  19
  20 #define COUNT_DOWN_DELAY        ((milliseconds_T) 1000)
  21
  22 static timer_id_T countdown = TIMER_ID_UNDEF;
  23
  24 static int timer_duration = 0;
  25
  26 int
  27 get_timer_duration(void)
  28 {
  29         return timer_duration;
  30 }
  31
  32 /* Timer callback for @countdown.  As explained in @install_timer,
  33  * this function must erase the expired timer ID from all variables.  */
  34 static void
  35 count_down(void *xxx)
  36 {
  37         struct keybinding *keybinding;
  38
  39         timer_duration--;
  40         if (timer_duration) {
  41                 install_timer(&countdown, COUNT_DOWN_DELAY, count_down, NULL);
  42                 return;
  43         } else {
  44                 countdown = TIMER_ID_UNDEF;
  45         }
  46         /* The expired timer ID has now been erased.  */
  47
  48         keybinding = kbd_nm_lookup(KEYMAP_MAIN,
  49                                    get_opt_str("ui.timer.action", NULL));
  50         if (keybinding) {
  51                 struct terminal *terminal;
  52                 struct term_event ev;
  53
  54                 set_kbd_term_event(&ev, keybinding->kbd.key,
  55                                    keybinding->kbd.modifier);
  56
  57                 foreach (terminal, terminals) {
  58                         term_send_event(terminal, &ev);
  59                 }
  60         }
  61
  62         reset_timer();
  63 }
  64
  65 void
  66 reset_timer(void)
  67 {
  68         kill_timer(&countdown);
  69
  70         if (!get_opt_int("ui.timer.enable", NULL)) return;
  71
  72         timer_duration = get_opt_int("ui.timer.duration", NULL);
  73         install_timer(&countdown, COUNT_DOWN_DELAY, count_down, NULL);
  74 }
  75
  76 static void
  77 init_timer(struct module *module)
  78 {
  79         reset_timer();
  80 }
  81
  82 static void
  83 done_timer(struct module *module)
  84 {
  85         kill_timer(&countdown);
  86 }
  87
  88 struct module timer_module = struct_module(
  89         /* name: */             N_("Timer"),
  90         /* options: */          NULL,
  91         /* hooks: */            NULL,
  92         /* submodules: */       NULL,
  93         /* data: */             NULL,
  94         /* init: */             init_timer,
  95         /* done: */             done_timer
  96 );