1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "MainThreadDOMData.h" 33 34 #include "V8IsolatedContext.h" 35 36 namespace WebCore { 37 38 MainThreadDOMData::MainThreadDOMData() 39 : m_defaultStore(this) 40 { 41 } 42 43 MainThreadDOMData* MainThreadDOMData::getCurrent() 44 { 45 ASSERT(WTF::isMainThread()); 46 DEFINE_STATIC_LOCAL(MainThreadDOMData, mainThreadDOMData, ()); 47 return &mainThreadDOMData; 48 } 49 50 DOMDataStore& MainThreadDOMData::getMainThreadStore() 51 { 52 // This is broken out as a separate non-virtual method from getStore() 53 // so that it can be inlined by getCurrentMainThreadStore, which is 54 // a hot spot in Dromaeo DOM tests. 55 ASSERT(WTF::isMainThread()); 56 V8IsolatedContext* context = V8IsolatedContext::getEntered(); 57 if (UNLIKELY(context != 0)) 58 return *context->world()->domDataStore(); 59 return m_defaultStore; 60 } 61 62 DOMDataStore& MainThreadDOMData::getCurrentMainThreadStore() 63 { 64 return getCurrent()->getMainThreadStore(); 65 } 66 67 68 } // namespace WebCore 69
