blob: 4722e493b0609d91176a62ad357840ed0d77de83 [file] [log] [blame]
/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2006-2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "DOMWrapperWorld.h"
#include <JavaScriptCore/Strong.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
namespace JSC {
class Debugger;
}
namespace WebCore {
class AbstractDOMWindow;
class AbstractFrame;
class JSDOMGlobalObject;
class JSWindowProxy;
class WindowProxy : public RefCounted<WindowProxy> {
WTF_MAKE_FAST_ALLOCATED;
public:
using ProxyMap = HashMap<RefPtr<DOMWrapperWorld>, JSC::Strong<JSWindowProxy>>;
static Ref<WindowProxy> create(AbstractFrame& frame)
{
return adoptRef(*new WindowProxy(frame));
}
WEBCORE_EXPORT ~WindowProxy();
AbstractFrame* frame() const { return m_frame; }
void detachFromFrame();
void destroyJSWindowProxy(DOMWrapperWorld&);
ProxyMap::ValuesConstIteratorRange jsWindowProxies() const { return m_jsWindowProxies.values(); }
Vector<JSC::Strong<JSWindowProxy>> jsWindowProxiesAsVector() const;
ProxyMap releaseJSWindowProxies() { return std::exchange(m_jsWindowProxies, ProxyMap()); }
void setJSWindowProxies(ProxyMap&& windowProxies) { m_jsWindowProxies = WTFMove(windowProxies); }
JSWindowProxy* jsWindowProxy(DOMWrapperWorld& world)
{
if (!m_frame)
return nullptr;
if (auto* existingProxy = existingJSWindowProxy(world))
return existingProxy;
return &createJSWindowProxyWithInitializedScript(world);
}
JSWindowProxy* existingJSWindowProxy(DOMWrapperWorld& world) const
{
auto it = m_jsWindowProxies.find(&world);
return (it != m_jsWindowProxies.end()) ? it->value.get() : nullptr;
}
WEBCORE_EXPORT JSDOMGlobalObject* globalObject(DOMWrapperWorld&);
void clearJSWindowProxiesNotMatchingDOMWindow(AbstractDOMWindow*, bool goingIntoPageCache);
WEBCORE_EXPORT void setDOMWindow(AbstractDOMWindow*);
// Debugger can be nullptr to detach any existing Debugger.
void attachDebugger(JSC::Debugger*); // Attaches/detaches in all worlds/window proxies.
WEBCORE_EXPORT AbstractDOMWindow* window() const;
private:
explicit WindowProxy(AbstractFrame&);
JSWindowProxy& createJSWindowProxy(DOMWrapperWorld&);
WEBCORE_EXPORT JSWindowProxy& createJSWindowProxyWithInitializedScript(DOMWrapperWorld&);
AbstractFrame* m_frame;
ProxyMap m_jsWindowProxies;
};
} // namespace WebCore