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 "PlatformString.h" 24 #include "ScriptState.h" 25 #include "ScriptValue.h" 26 27 #include <wtf/RefCounted.h> 28 29 namespace WebCore { 30 31 class MediaQueryList; 32 33 // See http://dev.w3.org/csswg/cssom-view/#the-mediaquerylist-interface 34 35 class MediaQueryListListener : public RefCounted<MediaQueryListListener> { 36 public: 37 static PassRefPtr<MediaQueryListListener> create(ScriptValue value) 38 { 39 if (!value.isFunction()) 40 return 0; 41 return adoptRef(new MediaQueryListListener(value)); 42 } 43 void queryChanged(ScriptState*, MediaQueryList*); 44 45 bool operator==(const MediaQueryListListener& other) const { return m_value == other.m_value; } 46 47 private: 48 MediaQueryListListener(ScriptValue value) : m_value(value) { } 49 50 ScriptValue m_value; 51 }; 52 53 } 54 55 #endif // MediaQueryListListener_h 56
