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/*
* Copyright (C) 2024 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 <WebCore/BackForwardFrameItemIdentifier.h>
#include <WebCore/BackForwardItemIdentifier.h>
#include <WebCore/FrameIdentifier.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
namespace WebKit {
class FrameState;
class WebBackForwardListItem;
class WebBackForwardListFrameItem : public RefCountedAndCanMakeWeakPtr<WebBackForwardListFrameItem> {
public:
static Ref<WebBackForwardListFrameItem> create(WebBackForwardListItem&, WebBackForwardListFrameItem* parentItem, Ref<FrameState>&&);
~WebBackForwardListFrameItem();
static WebBackForwardListFrameItem* itemForID(WebCore::BackForwardItemIdentifier, WebCore::BackForwardFrameItemIdentifier);
FrameState& frameState() const { return m_frameState; }
Ref<FrameState> protectedFrameState() const { return m_frameState; }
void setFrameState(Ref<FrameState>&&);
Ref<FrameState> copyFrameStateWithChildren();
std::optional<WebCore::FrameIdentifier> frameID() const;
WebCore::BackForwardFrameItemIdentifier identifier() const { return m_identifier; }
const String& url() const;
WebBackForwardListFrameItem* parent() const { return m_parent.get(); }
RefPtr<WebBackForwardListFrameItem> protectedParent() const { return m_parent.get(); }
void setParent(WebBackForwardListFrameItem* parent) { m_parent = parent; }
bool sharesAncestor(WebBackForwardListFrameItem&) const;
WebBackForwardListFrameItem& rootFrame();
WebBackForwardListFrameItem& mainFrame();
Ref<WebBackForwardListFrameItem> protectedMainFrame();
WebBackForwardListFrameItem* childItemForFrameID(WebCore::FrameIdentifier);
RefPtr<WebBackForwardListFrameItem> protectedChildItemForFrameID(WebCore::FrameIdentifier);
WebBackForwardListItem* backForwardListItem() const;
RefPtr<WebBackForwardListItem> protectedBackForwardListItem() const;
void setChild(Ref<FrameState>&&);
void clearChildren() { m_children.clear(); }
void setWasRestoredFromSession();
private:
WebBackForwardListFrameItem(WebBackForwardListItem&, WebBackForwardListFrameItem* parentItem, Ref<FrameState>&&);
static HashMap<std::pair<WebCore::BackForwardFrameItemIdentifier, WebCore::BackForwardItemIdentifier>, WeakRef<WebBackForwardListFrameItem>>& allItems();
WeakPtr<WebBackForwardListItem> m_backForwardListItem;
const WebCore::BackForwardFrameItemIdentifier m_identifier;
Ref<FrameState> m_frameState;
WeakPtr<WebBackForwardListFrameItem> m_parent;
Vector<Ref<WebBackForwardListFrameItem>> m_children;
};
} // namespace WebKit
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