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/*
* Copyright (C) 2011 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 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 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_ACCESSIBILITY_AX_MOCK_OBJECT_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_ACCESSIBILITY_AX_MOCK_OBJECT_H_
#include "base/macros.h"
#include "third_party/blink/renderer/modules/accessibility/ax_object.h"
#include "third_party/blink/renderer/modules/modules_export.h"
namespace blink {
class AXObjectCacheImpl;
// A mock object is an AXObject defined only by a role, having no backing object
// such as a node, layout object or AccessibleNode. It must be explicitly added
// by its parent. The only current type of AXMockObject is an AXMenuListPopup.
// TODO(accessibility) Remove this class.
class MODULES_EXPORT AXMockObject : public AXObject {
protected:
explicit AXMockObject(AXObjectCacheImpl&);
public:
~AXMockObject() override;
// AXObject overrides.
AXRestriction Restriction() const override { return kRestrictionNone; }
bool IsMockObject() const final { return true; }
Document* GetDocument() const override;
AXObject* ComputeParentImpl() const override;
ax::mojom::blink::Role DetermineAccessibilityRole() override {
NOTREACHED();
return ax::mojom::blink::Role::kUnknown;
}
private:
bool ComputeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
DISALLOW_COPY_AND_ASSIGN(AXMockObject);
};
template <>
struct DowncastTraits<AXMockObject> {
static bool AllowFrom(const AXObject& object) {
return object.IsMockObject();
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_ACCESSIBILITY_AX_MOCK_OBJECT_H_
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