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 #include "config.h" 21 #include "core/css/MediaQueryListListener.h" 22 23 #include "bindings/core/v8/V8MediaQueryList.h" 24 #include "bindings/v8/V8Callback.h" 25 #include <v8.h> 26 27 namespace WebCore { 28 29 MediaQueryListListener::MediaQueryListListener(ScriptState* scriptState, const ScriptValue& function) 30 : m_scriptState(scriptState) 31 , m_function(function) 32 { 33 ASSERT(m_function.isFunction()); 34 } 35 36 void MediaQueryListListener::queryChanged(MediaQueryList* query) 37 { 38 if (m_scriptState->contextIsEmpty()) 39 return; 40 ScriptState::Scope scope(m_scriptState.get()); 41 v8::Handle<v8::Value> args[] = { toV8(query, m_scriptState->context()->Global(), m_scriptState->isolate()) }; 42 invokeCallback(m_scriptState.get(), v8::Handle<v8::Function>::Cast(m_function.v8Value()), WTF_ARRAY_LENGTH(args), args); 43 } 44 45 } 46
