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/*
* Copyright (C) 2015 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. ``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
* 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 "HTMLElement.h"
namespace WebCore {
class HTMLSlotElement final : public HTMLElement {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(HTMLSlotElement);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(HTMLSlotElement);
public:
using ElementOrText = std::variant<RefPtr<Element>, RefPtr<Text>>;
static Ref<HTMLSlotElement> create(const QualifiedName&, Document&);
const Vector<WeakPtr<Node, WeakPtrImplWithEventTargetData>>* assignedNodes() const;
struct AssignedNodesOptions {
bool flatten;
};
Vector<Ref<Node>> assignedNodes(const AssignedNodesOptions&) const;
Vector<Ref<Element>> assignedElements(const AssignedNodesOptions&) const;
void assign(FixedVector<ElementOrText>&&);
const Vector<WeakPtr<Node, WeakPtrImplWithEventTargetData>>& manuallyAssignedNodes() const { return m_manuallyAssignedNodes; }
void removeManuallyAssignedNode(Node&);
void enqueueSlotChangeEvent();
void didRemoveFromSignalSlotList() { m_inSignalSlotList = false; }
void dispatchSlotChangeEvent();
bool isInInsertedIntoAncestor() const { return m_isInInsertedIntoAncestor; }
void updateAccessibilityOnSlotChange() const;
private:
HTMLSlotElement(const QualifiedName&, Document&);
InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) final;
void removedFromAncestor(RemovalType, ContainerNode&) final;
void childrenChanged(const ChildChange&) final;
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) final;
void didFinishInsertingNode() final;
bool m_inSignalSlotList { false };
bool m_isInInsertedIntoAncestor { false };
Vector<WeakPtr<Node, WeakPtrImplWithEventTargetData>> m_manuallyAssignedNodes;
};
} // namespace WebCore
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