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/*
* Copyright (C) 2018 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#pragma once
#include "FrameIdentifier.h"
#include "FrameTree.h"
#include "PageIdentifier.h"
#include <wtf/Ref.h>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/UniqueRef.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class DOMWindow;
class FrameView;
class FrameLoadRequest;
class HTMLFrameOwnerElement;
class NavigationScheduler;
class Page;
class Settings;
class WeakPtrImplWithEventTargetData;
class WindowProxy;
class Frame : public ThreadSafeRefCounted<Frame, WTF::DestructionThread::Main>, public CanMakeWeakPtr<Frame> {
public:
virtual ~Frame();
enum class FrameType : bool { Local, Remote };
FrameType frameType() const { return m_frameType; }
WindowProxy& windowProxy() { return m_windowProxy; }
const WindowProxy& windowProxy() const { return m_windowProxy; }
DOMWindow* window() const { return virtualWindow(); }
FrameTree& tree() const { return m_treeNode; }
FrameIdentifier frameID() const { return m_frameID; }
inline Page* page() const; // Defined in Page.h.
WEBCORE_EXPORT std::optional<PageIdentifier> pageID() const;
Settings& settings() const { return m_settings.get(); }
Frame& mainFrame() const { return m_mainFrame; }
bool isMainFrame() const { return this == &m_mainFrame; }
WEBCORE_EXPORT bool isRootFrame() const;
WEBCORE_EXPORT void detachFromPage();
inline HTMLFrameOwnerElement* ownerElement() const; // Defined in HTMLFrameOwnerElement.h.
WEBCORE_EXPORT void disconnectOwnerElement();
NavigationScheduler& navigationScheduler() const { return m_navigationScheduler.get(); }
WEBCORE_EXPORT void takeWindowProxyFrom(Frame&);
virtual void frameDetached() = 0;
virtual bool preventsParentFromBeingComplete() const = 0;
virtual void changeLocation(FrameLoadRequest&&) = 0;
virtual void broadcastFrameRemovalToOtherProcesses() = 0;
virtual FrameView* virtualView() const = 0;
protected:
Frame(Page&, FrameIdentifier, FrameType, HTMLFrameOwnerElement*, Frame* parent);
void resetWindowProxy();
private:
virtual DOMWindow* virtualWindow() const = 0;
WeakPtr<Page> m_page;
const FrameIdentifier m_frameID;
mutable FrameTree m_treeNode;
Ref<WindowProxy> m_windowProxy;
WeakPtr<HTMLFrameOwnerElement, WeakPtrImplWithEventTargetData> m_ownerElement;
Frame& m_mainFrame;
const Ref<Settings> m_settings;
FrameType m_frameType;
mutable UniqueRef<NavigationScheduler> m_navigationScheduler;
};
} // namespace WebCore
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