compute_attributes.h

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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef UI_ACCESSIBILITY_PLATFORM_COMPUTE_ATTRIBUTES_H_
#define UI_ACCESSIBILITY_PLATFORM_COMPUTE_ATTRIBUTES_H_
 
#include <cstddef>
#include <optional>
 
#include "ax/ax_enums.h"
#include "ax/ax_export.h"
 
namespace ui {
 
class AXPlatformNodeDelegate;
 
// Compute the attribute value instead of returning the "raw" attribute value
// for those attributes that have computation methods.
AX_EXPORT std::optional<int32_t> ComputeAttribute(
    const ui::AXPlatformNodeDelegate* delegate,
    ax::mojom::IntAttribute attribute);
 
}  // namespace ui
 
#endif  // UI_ACCESSIBILITY_PLATFORM_COMPUTE_ATTRIBUTES_H_