1 /* 2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef MediaQueryListListener_h 21 #define MediaQueryListListener_h 22 23 #include "bindings/v8/ScriptState.h" 24 #include "bindings/v8/ScriptValue.h" 25 #include "wtf/RefCounted.h" 26 27 namespace WebCore { 28 29 class MediaQueryList; 30 31 // See http://dev.w3.org/csswg/cssom-view/#the-mediaquerylist-interface 32 33 class MediaQueryListListener : public RefCounted<MediaQueryListListener> { 34 public: 35 static PassRefPtr<MediaQueryListListener> create(const ScriptValue& value) 36 { 37 if (!value.isFunction()) 38 return 0; 39 return adoptRef(new MediaQueryListListener(value)); 40 } 41 void queryChanged(ScriptState*, MediaQueryList*); 42 43 bool operator==(const MediaQueryListListener& other) const { return m_value == other.m_value; } 44 45 private: 46 MediaQueryListListener(const ScriptValue& value) : m_value(value) { } 47 48 ScriptValue m_value; 49 }; 50 51 } 52 53 #endif // MediaQueryListListener_h 54