/*

 * Copyright (c) 2008, Google Inc. All rights reserved.

 * Copyright (C) 2008 Apple 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

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "config.h"

#include "ScriptCachedFrameData.h"

#include "Frame.h"

#include "GCController.h"

#include "Page.h"

#include "PageGroup.h"

#include <runtime/JSLock.h>

#include "ScriptController.h"

using namespace JSC;

namespace WebCore {

ScriptCachedFrameData::ScriptCachedFrameData(Frame* frame)

    : m_domWindow(0)

{

    JSLock lock(SilenceAssertionsOnly);

    ScriptController* scriptController = frame->script();

    ScriptController::ShellMap& windowShells = scriptController->m_windowShells;

    ScriptController::ShellMap::iterator windowShellsEnd = windowShells.end();

    for (ScriptController::ShellMap::iterator iter = windowShells.begin(); iter != windowShellsEnd; ++iter) {

        JSDOMWindow* window = iter->second->window();

        m_windows.add(iter->first.get(), window);

        m_domWindow = window->impl();

    }

    scriptController->attachDebugger(0);

}

DOMWindow* ScriptCachedFrameData::domWindow() const

{

    return m_domWindow;

}

ScriptCachedFrameData::~ScriptCachedFrameData()

{

    clear();

}

void ScriptCachedFrameData::restore(Frame* frame)

{

    JSLock lock(SilenceAssertionsOnly);

    ScriptController* scriptController = frame->script();

    ScriptController::ShellMap& windowShells = scriptController->m_windowShells;

    ScriptController::ShellMap::iterator windowShellsEnd = windowShells.end();

    for (ScriptController::ShellMap::iterator iter = windowShells.begin(); iter != windowShellsEnd; ++iter) {

        DOMWrapperWorld* world = iter->first.get();

        JSDOMWindowShell* windowShell = iter->second.get();

        if (JSDOMWindow* window = m_windows.get(world))

            windowShell->setWindow(window);

        else {

            windowShell->setWindow(frame->domWindow());

            if (Page* page = frame->page()) {

                scriptController->attachDebugger(windowShell, page->debugger());

                windowShell->window()->setProfileGroup(page->group().identifier());

            }

        }

    }

}

void ScriptCachedFrameData::clear()

{

    if (m_windows.isEmpty())

        return;

    JSLock lock(SilenceAssertionsOnly);

    m_windows.clear();

    gcController().garbageCollectSoon();

}

} // namespace WebCore