91 lines
1.7 KiB
C++
91 lines
1.7 KiB
C++
#include "sysdeps.h"
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#include "Prefs.h"
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#include "gui/gui.hh"
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#include "timer.hh"
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#include "utils.hh"
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#define MS_TO_TICKS(x) ((x) / ThePrefs.MsPerFrame)
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TimeoutHandler::~TimeoutHandler()
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{
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/* If we haven't timed out yet, disarm us */
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TimerController::controller->disarm(this);
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}
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TimerController::TimerController()
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{
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this->n_handlers = 0;
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this->handlers = NULL;
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}
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int TimerController::arm(TimeoutHandler *which, int ms)
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{
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int i;
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/* Set the timeout */
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which->timeout = MS_TO_TICKS(ms);
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if (which->timeout == 0)
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which->timeout = 1;
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/* Re-register? */
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for (i = 0; i < this->n_handlers; i++)
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if (this->handlers[i] == which)
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return i;
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/* Empty slot? */
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for (i = 0; i < this->n_handlers; i++)
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if (this->handlers[i] == NULL)
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break;
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if (i == this->n_handlers)
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{
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this->n_handlers++;
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this->handlers = (TimeoutHandler**)xrealloc(this->handlers,
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this->n_handlers * sizeof(TimeoutHandler*));
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}
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this->handlers[i] = which;
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which->timer_id = i;
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return i;
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}
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void TimerController::disarm(TimeoutHandler *which)
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{
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/*Trying to disarm something which is not armed! */
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if (which->timer_id < 0)
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return;
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panic_if(which->timer_id >= this->n_handlers,
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"timer_id %d is too out of bounds (max %d)\n",
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which->timer_id, this->n_handlers);
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this->handlers[which->timer_id] = NULL;
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which->timer_id = -1;
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}
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void TimerController::tick()
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{
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for (int i = 0; i < this->n_handlers; i++)
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{
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TimeoutHandler *cur = this->handlers[i];
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if (!cur)
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continue;
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if (cur->timeout == 0)
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this->disarm(cur);
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cur->tick();
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}
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}
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TimerController *TimerController::controller;
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void TimerController::init()
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{
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TimerController::controller = new TimerController();
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}
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