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#include "GObject.h"
#include "GEvent.h"
#include "GEventLoop.h"
#include <AK/Assertions.h>
#include <stdio.h>
GObject::GObject(GObject* parent)
: m_parent(parent)
{
if (m_parent)
m_parent->add_child(*this);
}
GObject::~GObject()
{
stop_timer();
if (m_parent)
m_parent->remove_child(*this);
auto children_to_delete = move(m_children);
for (auto* child : children_to_delete)
delete child;
}
void GObject::event(GEvent& event)
{
switch (event.type()) {
case GEvent::Timer:
return timer_event(static_cast<GTimerEvent&>(event));
case GEvent::DeferredDestroy:
delete this;
break;
case GEvent::ChildAdded:
case GEvent::ChildRemoved:
return child_event(static_cast<GChildEvent&>(event));
case GEvent::Invalid:
ASSERT_NOT_REACHED();
break;
default:
break;
}
}
void GObject::add_child(GObject& object)
{
m_children.append(&object);
GEventLoop::current().post_event(*this, make<GChildEvent>(GEvent::ChildAdded, object));
}
void GObject::remove_child(GObject& object)
{
for (ssize_t i = 0; i < m_children.size(); ++i) {
if (m_children[i] == &object) {
m_children.remove(i);
GEventLoop::current().post_event(*this, make<GChildEvent>(GEvent::ChildRemoved, object));
return;
}
}
}
void GObject::timer_event(GTimerEvent&)
{
}
void GObject::child_event(GChildEvent&)
{
}
void GObject::start_timer(int ms)
{
if (m_timer_id) {
dbgprintf("GObject{%p} already has a timer!\n", this);
ASSERT_NOT_REACHED();
}
m_timer_id = GEventLoop::register_timer(*this, ms, true);
}
void GObject::stop_timer()
{
if (!m_timer_id)
return;
bool success = GEventLoop::unregister_timer(m_timer_id);
ASSERT(success);
m_timer_id = 0;
}
void GObject::delete_later()
{
GEventLoop::current().post_event(*this, make<GEvent>(GEvent::DeferredDestroy));
}
void GObject::dump_tree(int indent)
{
for (int i = 0; i < indent; ++i) {
printf(" ");
}
printf("%s{%p}\n", class_name(), this);
for (auto* child : children()) {
child->dump_tree(indent + 2);
}
}
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