blob: fd55809745a199055fc6a8c50465cf0e44d026ee [file] [log] [blame]
// Copyright 2019 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.
#include "ui/accessibility/ax_action_target.h"
#include "ui/accessibility/ax_export.h"
namespace ui {
// A do-nothing action target.
class AX_EXPORT NullAXActionTarget : public AXActionTarget {
NullAXActionTarget() = default;
~NullAXActionTarget() override = default;
// AXActionTarget overrides.
Type GetType() const override;
bool ClearAccessibilityFocus() const override;
bool Click() const override;
bool Decrement() const override;
bool Increment() const override;
bool Focus() const override;
gfx::Rect GetRelativeBounds() const override;
gfx::Point GetScrollOffset() const override;
gfx::Point MinimumScrollOffset() const override;
gfx::Point MaximumScrollOffset() const override;
bool SetAccessibilityFocus() const override;
void SetScrollOffset(const gfx::Point& point) const override;
bool SetSelected(bool selected) const override;
bool SetSelection(const AXActionTarget* anchor_object,
int anchor_offset,
const AXActionTarget* focus_object,
int focus_offset) const override;
bool SetSequentialFocusNavigationStartingPoint() const override;
bool SetValue(const std::string& value) const override;
bool ShowContextMenu() const override;
bool ScrollToMakeVisible() const override;
bool ScrollToMakeVisibleWithSubFocus(
const gfx::Rect& rect,
ax::mojom::ScrollAlignment horizontal_scroll_alignment,
ax::mojom::ScrollAlignment vertical_scroll_alignment,
ax::mojom::ScrollBehavior scroll_behavior) const override;
bool ScrollToGlobalPoint(const gfx::Point& point) const override;
} // namespace ui