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      1 /*
      2  * Copyright (C) 2005 Apple Computer, Inc.
      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 
     21 #include "config.h"
     22 
     23 #ifdef SKIP_STATIC_CONSTRUCTORS_ON_GCC
     24 #define CSS_MEDIAQUERY_NAMES_HIDE_GLOBALS 1
     25 #endif
     26 
     27 #include "MediaFeatureNames.h"
     28 #include "StaticConstructors.h"
     29 
     30 namespace WebCore {
     31 namespace MediaFeatureNames {
     32 
     33 #define DEFINE_MEDIAFEATURE_GLOBAL(name, str) \
     34     DEFINE_GLOBAL(AtomicString, name##MediaFeature, str)
     35 CSS_MEDIAQUERY_NAMES_FOR_EACH_MEDIAFEATURE(DEFINE_MEDIAFEATURE_GLOBAL)
     36 #undef DEFINE_MEDIAFEATURE_GLOBAL
     37 
     38 void init()
     39 {
     40     static bool initialized;
     41     if (!initialized) {
     42        // Use placement new to initialize the globals.
     43 
     44         AtomicString::init();
     45         #define INITIALIZE_GLOBAL(name, str) new ((void*)&name##MediaFeature) AtomicString(str);
     46         CSS_MEDIAQUERY_NAMES_FOR_EACH_MEDIAFEATURE(INITIALIZE_GLOBAL)
     47         #undef INITIALIZE_GLOBAL
     48         initialized = true;
     49     }
     50 }
     51 
     52 } // namespace MediaFeatureNames
     53 } // namespace WebCore
     54