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      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 "MediaQueryListListener.h"
     22 
     23 #include "MediaQueryList.h"
     24 #include "ScriptFunctionCall.h"
     25 
     26 #if USE(JSC)
     27 #include "JSMediaQueryList.h"
     28 #else
     29 #include "V8MediaQueryList.h"
     30 #endif
     31 
     32 namespace WebCore {
     33 
     34 void MediaQueryListListener::queryChanged(ScriptState* state, MediaQueryList* query)
     35 {
     36     ScriptCallback callback(state, m_value);
     37 #if USE(JSC)
     38     callback.appendArgument(toJS(state, query));
     39 #else
     40     v8::HandleScope handleScope;
     41     v8::Handle<v8::Context> context = state->context();
     42     if (context.IsEmpty())
     43        return; // JS may not be enabled.
     44     v8::Context::Scope scope(context);
     45     callback.appendArgument(toV8(query));
     46 #endif
     47     callback.call();
     48 }
     49 
     50 }
     51