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/*
* 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 "CommonVM.h"
#include "Document.h"
#include "GCController.h"
#include "JSDOMWindow.h"
#include "LocalFrame.h"
#include "Page.h"
#include "PageConsoleClient.h"
#include "PageGroup.h"
#include "ScriptController.h"
#include <JavaScriptCore/JSLock.h>
#include <JavaScriptCore/StrongInlines.h>
#include <JavaScriptCore/WeakGCMapInlines.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
using namespace JSC;
WTF_MAKE_TZONE_ALLOCATED_IMPL(ScriptCachedFrameData);
ScriptCachedFrameData::ScriptCachedFrameData(LocalFrame& frame)
{
JSLockHolder lock(commonVM());
for (auto windowProxy : frame.windowProxy().jsWindowProxiesAsVector()) {
auto* window = jsCast<JSDOMWindow*>(windowProxy->window());
m_windows.add(&windowProxy->world(), Strong<JSDOMWindow>(window->vm(), window));
window->setConsoleClient(nullptr);
}
frame.windowProxy().attachDebugger(nullptr);
}
ScriptCachedFrameData::~ScriptCachedFrameData()
{
clear();
}
void ScriptCachedFrameData::restore(LocalFrame& frame)
{
JSLockHolder lock(commonVM());
Page* page = frame.page();
for (auto windowProxy : frame.windowProxy().jsWindowProxiesAsVector()) {
auto* world = &windowProxy->world();
if (auto* window = m_windows.get(world).get())
windowProxy->setWindow(window->vm(), *window);
else {
ASSERT(frame.document()->domWindow());
auto& domWindow = *frame.document()->domWindow();
if (&windowProxy->wrapped() == &domWindow)
continue;
windowProxy->setWindow(domWindow);
if (page) {
windowProxy->attachDebugger(page->debugger());
windowProxy->window()->setProfileGroup(page->group().identifier());
}
}
if (page)
windowProxy->window()->setConsoleClient(page->console());
}
}
void ScriptCachedFrameData::clear()
{
if (m_windows.isEmpty())
return;
JSLockHolder lock(commonVM());
m_windows.clear();
GCController::singleton().garbageCollectSoon();
}
} // namespace WebCore
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