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
36namespace WebCore {
37
38MainThreadDOMData::MainThreadDOMData()
39    : m_defaultStore(this)
40{
41}
42
43MainThreadDOMData* MainThreadDOMData::getCurrent()
44{
45    ASSERT(WTF::isMainThread());
46    DEFINE_STATIC_LOCAL(MainThreadDOMData, mainThreadDOMData, ());
47    return &mainThreadDOMData;
48}
49
50DOMDataStore& 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
62DOMDataStore& MainThreadDOMData::getCurrentMainThreadStore()
63{
64    return getCurrent()->getMainThreadStore();
65}
66
67
68} // namespace WebCore
69