GObjectEventListener.cpp [plain text]
#include "config.h"
#include "GObjectEventListener.h"
#include "WebKitDOMEvent.h"
#include "WebKitDOMEventPrivate.h"
#include "WebKitDOMEventTarget.h"
#include <WebCore/Event.h>
#include <wtf/HashMap.h>
namespace WebKit {
using namespace WebCore;
GObjectEventListener::GObjectEventListener(GObject* target, EventTarget* coreTarget, const char* domEventName, GClosure* handler, bool capture)
: EventListener(GObjectEventListenerType)
, m_target(target)
, m_coreTarget(coreTarget)
, m_domEventName(domEventName)
, m_handler(handler)
, m_capture(capture)
{
ASSERT(m_coreTarget);
if (G_CLOSURE_NEEDS_MARSHAL(m_handler.get()))
g_closure_set_marshal(m_handler.get(), g_cclosure_marshal_generic);
g_object_weak_ref(m_target, reinterpret_cast<GWeakNotify>(GObjectEventListener::gobjectDestroyedCallback), this);
}
GObjectEventListener::~GObjectEventListener()
{
if (!m_coreTarget)
return;
g_object_weak_unref(m_target, reinterpret_cast<GWeakNotify>(GObjectEventListener::gobjectDestroyedCallback), this);
}
void GObjectEventListener::gobjectDestroyed()
{
ASSERT(m_coreTarget);
RefPtr<GObjectEventListener> protectedThis(this);
m_coreTarget->removeEventListener(m_domEventName.data(), *this, m_capture);
m_coreTarget = nullptr;
m_handler = nullptr;
}
void GObjectEventListener::handleEvent(ScriptExecutionContext&, Event& event)
{
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
GValue parameters[2] = { G_VALUE_INIT, G_VALUE_INIT };
g_value_init(¶meters[0], WEBKIT_DOM_TYPE_EVENT_TARGET);
g_value_set_object(¶meters[0], m_target);
GRefPtr<WebKitDOMEvent> domEvent = adoptGRef(WebKit::kit(&event));
g_value_init(¶meters[1], WEBKIT_DOM_TYPE_EVENT);
g_value_set_object(¶meters[1], domEvent.get());
g_closure_invoke(m_handler.get(), 0, 2, parameters, NULL);
g_value_unset(parameters + 0);
g_value_unset(parameters + 1);
G_GNUC_END_IGNORE_DEPRECATIONS;
}
bool GObjectEventListener::operator==(const EventListener& listener) const
{
if (const GObjectEventListener* gobjectEventListener = GObjectEventListener::cast(&listener))
return m_target == gobjectEventListener->m_target
&& reinterpret_cast<GCClosure*>(m_handler.get())->callback == reinterpret_cast<GCClosure*>(gobjectEventListener->m_handler.get())->callback;
return false;
}
}