WebCore/dom/EventNames.cpp

   1 /*
   2  * This file is part of the DOM implementation for KDE.
   3  *
   4  * Copyright (C) 2005 Apple Computer, Inc.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  *
  21  */
  22
  23 #include "config.h"
  24 #include "EventNames.h"
  25
  26 #include <wtf/Threading.h>
  27
  28 #if ENABLE(WORKERS)
  29 #include <wtf/ThreadSpecific.h>
  30 using namespace WTF;
  31 #endif
  32
  33 namespace WebCore {
  34
  35 #if ENABLE(WORKERS)
  36 static ThreadSpecific<EventNames>* staticEventNames;
  37 #else
  38 static EventNames* staticEventNames;
  39 #endif
  40
  41 #define INITIALIZE_EVENT_NAME(name) \
  42     , name##Event(#name)
  43 EventNames::EventNames()
  44     : dummy(0)
  45 DOM_EVENT_NAMES_FOR_EACH(INITIALIZE_EVENT_NAME)
  46 {
  47 }
  48
  49 EventNames& eventNames()
  50 {
  51 #if ENABLE(WORKERS)
  52     return **staticEventNames;
  53 #else
  54     return *staticEventNames;
  55 #endif
  56 }
  57
  58 void EventNames::init()
  59 {
  60     if (!staticEventNames) {
  61         // Initialization is not thread safe, so this function must be called from the main thread first.
  62         ASSERT(isMainThread());
  63
  64         AtomicString::init();
  65
  66 #if ENABLE(WORKERS)
  67         staticEventNames = new ThreadSpecific<EventNames>;
  68 #else
  69         staticEventNames = new EventNames;
  70 #endif
  71     }
  72 }
  73
  74 }