WebCore/bindings/js/ScriptState.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 */

#include "config.h"
#include "ScriptState.h"

#include "Frame.h"
#include "JSDOMWindowBase.h"
#include "Node.h"
#include "Page.h"

namespace WebCore {

ScriptState* scriptStateFromNode(Node* node)
{
    if (!node)
        return 0;
    Document* document = node->document();
    if (!document)
        return 0;
    Frame* frame = document->frame();
    if (!frame)
        return 0;
    if (!frame->script()->isEnabled())
        return 0;
    return frame->script()->globalObject(mainThreadCurrentWorld())->globalExec();
}

ScriptState* scriptStateFromPage(Page* page)
{
    return page->mainFrame()->script()->globalObject(mainThreadCurrentWorld())->globalExec();
}

}