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/*
* Copyright (C) 2025 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
#if ENABLE(MODEL_ELEMENT_IMMERSIVE)
#include <WebCore/Document.h>
#include <WebCore/GCReachableRef.h>
#include <WebCore/HTMLModelElement.h>
#include <wtf/Deque.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class DocumentImmersive final : public CanMakeWeakPtr<DocumentImmersive> {
WTF_MAKE_TZONE_ALLOCATED(DocumentImmersive);
public:
DocumentImmersive(Document&);
~DocumentImmersive() = default;
void ref() const { m_document->ref(); }
void deref() const { m_document->deref(); }
// Document+Immersive.idl methods.
static bool immersiveEnabled(Document&);
static Element* immersiveElement(Document&);
static void exitImmersive(Document&, RefPtr<DeferredPromise>&&);
// Helpers.
Document& document() { return m_document.get(); }
const Document& document() const { return m_document.get(); }
Ref<Document> protectedDocument() const { return m_document.get(); }
HTMLModelElement* immersiveElement() const;
RefPtr<HTMLModelElement> protectedImmersiveElement() const { return immersiveElement(); }
void requestImmersive(HTMLModelElement*, CompletionHandler<void(ExceptionOr<void>)>&&);
void exitImmersive(CompletionHandler<void(ExceptionOr<void>)>&&);
void exitRemovedImmersiveElement(HTMLModelElement*);
enum class EventType : bool { Change, Error };
void dispatchPendingEvents();
void queueImmersiveEventForElement(EventType, Element&);
void clear();
protected:
friend class Document;
void clearPendingEvents() { m_pendingEvents.clear(); }
private:
WeakRef<Document, WeakPtrImplWithEventTargetData> m_document;
WeakPtr<HTMLModelElement, WeakPtrImplWithEventTargetData> m_immersiveElement;
void updateElementIsImmersive(HTMLModelElement*, bool);
Deque<std::pair<EventType, GCReachableRef<Element>>> m_pendingEvents;
};
}
#endif
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