| /* |
| * Copyright (C) 2010, 2011 Igalia S.L. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "config.h" |
| #include "GObjectEventListener.h" |
| |
| #include "Event.h" |
| #include "WebKitDOMEvent.h" |
| #include "WebKitDOMEventPrivate.h" |
| #include <glib-object.h> |
| #include <wtf/HashMap.h> |
| |
| namespace WebCore { |
| |
| typedef void (*GObjectEventListenerCallback)(GObject*, WebKitDOMEvent*, void*); |
| |
| GObjectEventListener::GObjectEventListener(GObject* object, EventTarget* target, const char* domEventName, GCallback handler, bool capture, void* userData) |
| : EventListener(GObjectEventListenerType) |
| , m_object(object) |
| , m_coreTarget(target) |
| , m_domEventName(domEventName) |
| , m_handler(handler) |
| , m_capture(capture) |
| , m_userData(userData) |
| { |
| ASSERT(m_coreTarget); |
| g_object_weak_ref(object, reinterpret_cast<GWeakNotify>(GObjectEventListener::gobjectDestroyedCallback), this); |
| } |
| |
| GObjectEventListener::~GObjectEventListener() |
| { |
| if (!m_coreTarget) |
| return; |
| g_object_weak_unref(m_object, reinterpret_cast<GWeakNotify>(GObjectEventListener::gobjectDestroyedCallback), this); |
| } |
| |
| void GObjectEventListener::gobjectDestroyed() |
| { |
| ASSERT(m_coreTarget); |
| |
| // We must set m_coreTarget to null, because removeEventListener |
| // may call the destructor as a side effect and we must be in the |
| // proper state to prevent g_object_weak_unref. |
| EventTarget* target = m_coreTarget; |
| m_coreTarget = 0; |
| target->removeEventListener(m_domEventName.data(), this, m_capture); |
| } |
| |
| void GObjectEventListener::handleEvent(ScriptExecutionContext*, Event* event) |
| { |
| WebKitDOMEvent* gobjectEvent = WEBKIT_DOM_EVENT(WebKit::kit(event)); |
| reinterpret_cast<GObjectEventListenerCallback>(m_handler)(m_object, gobjectEvent, m_userData); |
| g_object_unref(gobjectEvent); |
| } |
| |
| bool GObjectEventListener::operator==(const EventListener& listener) |
| { |
| if (const GObjectEventListener* gobjectEventListener = GObjectEventListener::cast(&listener)) |
| return m_object == gobjectEventListener->m_object && m_handler == gobjectEventListener->m_handler; |
| |
| return false; |
| } |
| |
| } |