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