/* * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #pragma once #include "ActiveDOMCallback.h" #include "CallbackResult.h" #include <wtf/RefCounted.h> namespace WebCore { class MediaQueryList; class MediaQueryListListener : public RefCounted<MediaQueryListListener>, public ActiveDOMCallback { public: enum Type { JSMediaQueryListListenerType }; virtual CallbackResult<void> handleEvent(MediaQueryList&) = 0; virtual bool operator==(const MediaQueryListListener&) const = 0; Type type() const { return m_type; } protected: explicit MediaQueryListListener(ScriptExecutionContext* context, Type type) : ActiveDOMCallback(context) , m_type(type) { } private: Type m_type; }; } // namespace WebCore