/platform/external/webkit/WebCore/bindings/js/ScriptCachedFrameData.cpp
https://github.com/aharish/totoro-gb-opensource-update2 · C++ · 109 lines · 61 code · 18 blank · 30 comment · 8 complexity · b4c1892e549e176a3b7dcf44d29928de MD5 · raw file
- /*
- * 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