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 "ScriptState.h"

    33 

    34 #include "Frame.h"

    35 #include "JSDOMWindowBase.h"

    36 #include "Node.h"

    37 #include "Page.h"

    38 

    39 namespace WebCore {

    40 

    41 ScriptState* mainWorldScriptState(Frame* frame)

    42 {

    43     JSDOMWindowShell* shell = frame->script()->windowShell(mainThreadNormalWorld());

    44     return shell->window()->globalExec();

    45 }

    46 

    47 ScriptState* scriptStateFromNode(DOMWrapperWorld* world, Node* node)

    48 {

    49     if (!node)

    50         return 0;

    51     Document* document = node->document();

    52     if (!document)

    53         return 0;

    54     Frame* frame = document->frame();

    55     if (!frame)

    56         return 0;

    57     if (!frame->script()->canExecuteScripts(NotAboutToExecuteScript))

    58         return 0;

    59     return frame->script()->globalObject(world)->globalExec();

    60 }

    61 

    62 ScriptState* scriptStateFromPage(DOMWrapperWorld* world, Page* page)

    63 {

    64     return page->mainFrame()->script()->globalObject(world)->globalExec();

    65 }

    66 

    67 }