mirror of
https://github.com/SerenityOS/serenity
synced 2024-09-06 17:06:31 +00:00
85 lines
1.5 KiB
C++
85 lines
1.5 KiB
C++
#include "Object.h"
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#include "Event.h"
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#include "EventLoop.h"
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#include <AK/Assertions.h>
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#ifdef USE_SDL
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#include <SDL.h>
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#endif
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Object::Object(Object* parent)
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: m_parent(parent)
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{
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if (m_parent)
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m_parent->addChild(*this);
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}
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Object::~Object()
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{
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if (m_parent)
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m_parent->removeChild(*this);
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auto childrenToDelete = std::move(m_children);
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for (auto* child : childrenToDelete)
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delete child;
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}
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void Object::event(Event& event)
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{
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switch (event.type()) {
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case Event::Timer:
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return onTimer(static_cast<TimerEvent&>(event));
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case Event::Invalid:
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ASSERT_NOT_REACHED();
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break;
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default:
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break;
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}
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}
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void Object::addChild(Object& object)
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{
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m_children.append(&object);
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}
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void Object::removeChild(Object& object)
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{
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for (unsigned i = 0; i < m_children.size(); ++i) {
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if (m_children[i] == &object) {
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m_children.remove(i);
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return;
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}
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}
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}
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void Object::onTimer(TimerEvent&)
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{
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}
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#ifdef USE_SDL
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static dword sdlTimerCallback(dword interval, void* param)
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{
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EventLoop::main().postEvent(static_cast<Object*>(param), make<TimerEvent>());
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return interval;
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}
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#endif
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void Object::startTimer(int ms)
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{
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if (m_timerID) {
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printf("Object{%p} already has a timer!\n", this);
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ASSERT_NOT_REACHED();
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}
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#if USE_SDL
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m_timerID = SDL_AddTimer(ms, sdlTimerCallback, this);
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#endif
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}
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void Object::stopTimer()
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{
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if (!m_timerID)
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return;
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SDL_RemoveTimer(m_timerID);
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m_timerID = 0;
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}
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