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Viewing changes to src/3rdparty/webkit/WebCore/bindings/js/ScriptCachedFrameData.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Alessandro Ghersi
  • Date: 2009-11-02 18:30:08 UTC
  • mfrom: (1.2.2 upstream)
  • mto: (15.2.5 experimental)
  • mto: This revision was merged to the branch mainline in revision 88.
  • Revision ID: james.westby@ubuntu.com-20091102183008-b6a4gcs128mvfb3m
Tags: upstream-4.6.0~beta1
Import upstream version 4.6.0~beta1

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src/3rdparty/webkit/WebCore/bindings/js/ScriptCachedFrameData.cpp
 
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/*
 
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 * Copyright (c) 2008, Google Inc. All rights reserved.
 
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 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 
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 * 
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions are
 
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 * met:
 
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 * 
 
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 *     * Redistributions of source code must retain the above copyright
 
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 * notice, this list of conditions and the following disclaimer.
 
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 *     * Redistributions in binary form must reproduce the above
 
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 * copyright notice, this list of conditions and the following disclaimer
 
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 * in the documentation and/or other materials provided with the
 
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 * distribution.
 
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 *     * Neither the name of Google Inc. nor the names of its
 
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 * contributors may be used to endorse or promote products derived from
 
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 * this software without specific prior written permission.
 
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 * 
 
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
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 */
 
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#include "config.h"
 
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#include "ScriptCachedFrameData.h"
 
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#include "Frame.h"
 
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#include "GCController.h"
 
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#include "Page.h"
 
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#include "PageGroup.h"
 
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#include <runtime/JSLock.h>
 
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#include "ScriptController.h"
 
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using namespace JSC;
 
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namespace WebCore {
 
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ScriptCachedFrameData::ScriptCachedFrameData(Frame* frame)
 
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{
 
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    JSLock lock(SilenceAssertionsOnly);
 
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    ScriptController* scriptController = frame->script();
 
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    if (scriptController->haveWindowShell()) {
 
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        m_window = scriptController->windowShell()->window();
 
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        scriptController->attachDebugger(0);
 
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    }
 
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}
 
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DOMWindow* ScriptCachedFrameData::domWindow() const {
 
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    return m_window ? m_window->impl() : 0;
 
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}
 
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ScriptCachedFrameData::~ScriptCachedFrameData()
 
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{
 
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    clear();
 
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}
 
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void ScriptCachedFrameData::restore(Frame* frame)
 
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{
 
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    Page* page = frame->page();
 
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    JSLock lock(SilenceAssertionsOnly);
 
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    ScriptController* scriptController = frame->script();
 
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    if (scriptController->haveWindowShell()) {
 
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        JSDOMWindowShell* windowShell = scriptController->windowShell();
 
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        if (m_window) {
 
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            windowShell->setWindow(m_window.get());
 
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        } else {
 
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            windowShell->setWindow(frame->domWindow());
 
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            scriptController->attachDebugger(page->debugger());
 
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            windowShell->window()->setProfileGroup(page->group().identifier());
 
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        }
 
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    }
 
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}
 
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void ScriptCachedFrameData::clear()
 
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{
 
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    JSLock lock(SilenceAssertionsOnly);
 
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    if (!m_window) {
 
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        m_window = 0;
 
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        gcController().garbageCollectSoon();
 
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    }
 
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}
 
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} // namespace WebCore