Source/WebCore/accessibility/AccessibilitySpinButton.h

/*
 * Copyright (C) 2011-2025 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1.  Redistributions of source code must retain the above copyright
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 * 2.  Redistributions in binary form must reproduce the above copyright
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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#pragma once

#include "AccessibilityMockObject.h"
#include "AccessibilitySpinButtonPart.h"
#include "SpinButtonElement.h"

namespace WebCore {

// Currently only represents native spinbuttons (i.e. <input type="number">) and not role="spinbutton" elements.
class AccessibilitySpinButton final : public AccessibilityMockObject {
public:
    static Ref<AccessibilitySpinButton> create(AXID, AXObjectCache&);
    virtual ~AccessibilitySpinButton();

    void setSpinButtonElement(SpinButtonElement* spinButton) { m_spinButtonElement = spinButton; }

    AccessibilitySpinButtonPart* incrementButton() final;
    AccessibilitySpinButtonPart* decrementButton() final;

    void step(int amount);

private:
    explicit AccessibilitySpinButton(AXID, AXObjectCache&);

    AccessibilityRole determineAccessibilityRole() final { return AccessibilityRole::SpinButton; }
    bool isNativeSpinButton() const final { return true; }
    void clearChildren() final { };
    void addChildren() final;
    LayoutRect elementRect() const final;

    WeakPtr<SpinButtonElement, WeakPtrImplWithEventTargetData> m_spinButtonElement;
    // FIXME: Nothing calls AXObjectCache::remove for m_incrementor and m_decrementor.
    const Ref<AccessibilitySpinButtonPart> m_incrementor;
    const Ref<AccessibilitySpinButtonPart> m_decrementor;
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::AccessibilitySpinButton) \
    static bool isType(const WebCore::AccessibilityObject& object) { return object.isNativeSpinButton(); } \
SPECIALIZE_TYPE_TRAITS_END()