chromium/ui/views/accessibility/ax_virtual_view.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_VIEWS_ACCESSIBILITY_AX_VIRTUAL_VIEW_H_
#define UI_VIEWS_ACCESSIBILITY_AX_VIRTUAL_VIEW_H_

#include <stdint.h>

#include <memory>
#include <optional>
#include <vector>

#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "build/build_config.h"
#include "ui/accessibility/ax_enums.mojom-forward.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/accessibility/platform/ax_platform_node_delegate.h"
#include "ui/accessibility/platform/ax_unique_id.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/views/views_export.h"

#if defined(USE_AURA)
#include "ui/views/accessibility/ax_virtual_view_wrapper.h"
#endif

namespace ui {

struct AXActionData;

}  // namespace ui

namespace views {

class AXAuraObjCache;
class AXVirtualViewWrapper;
class View;
class ViewAccessibility;
class ViewAXPlatformNodeDelegate;

namespace test {
class AXVirtualViewTest;
}  // namespace test

// Implements a virtual view that is used only for accessibility.
//
// Some composite widgets such as tree and table views may utilize lightweight
// UI objects instead of actual views for displaying and managing their
// contents. We need a corresponding virtual accessibility view to expose
// information about these lightweight Ui objects to accessibility. An
// AXVirtualView is owned by its parent, which could either be a
// ViewAccessibility or an AXVirtualView.
class VIEWS_EXPORT AXVirtualView : public ui::AXPlatformNodeDelegate { … };

}  // namespace views

#endif  // UI_VIEWS_ACCESSIBILITY_AX_VIRTUAL_VIEW_H_