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// Copyright 2016 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 CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_POSITION_H_
#define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_POSITION_H_
#include <stdint.h>
#include <string>
#include <vector>
#include "base/strings/string16.h"
#include "content/common/content_export.h"
#include "ui/accessibility/ax_position.h"
#include "ui/accessibility/ax_tree_id_registry.h"
namespace content {
class BrowserAccessibility;
using AXTreeID = ui::AXTreeID;
class CONTENT_EXPORT BrowserAccessibilityPosition
: public ui::AXPosition<BrowserAccessibilityPosition,
BrowserAccessibility> {
public:
BrowserAccessibilityPosition();
~BrowserAccessibilityPosition() override;
BrowserAccessibilityPosition(const BrowserAccessibilityPosition& other);
AXPositionInstance Clone() const override;
base::string16 GetText() const override;
bool IsInLineBreak() const override;
bool IsInTextObject() const override;
bool IsInWhiteSpace() const override;
protected:
void AnchorChild(int child_index,
AXTreeID* tree_id,
ui::AXNode::AXID* child_id) const override;
int AnchorChildCount() const override;
int AnchorUnignoredChildCount() const override;
int AnchorIndexInParent() const override;
int AnchorSiblingCount() const override;
base::stack<BrowserAccessibility*> GetAncestorAnchors() const override;
BrowserAccessibility* GetLowestUnignoredAncestor() const override;
void AnchorParent(AXTreeID* tree_id,
ui::AXNode::AXID* parent_id) const override;
BrowserAccessibility* GetNodeInTree(AXTreeID tree_id,
ui::AXNode::AXID node_id) const override;
int32_t GetAnchorID(BrowserAccessibility* node) const override;
AXTreeID GetTreeID(BrowserAccessibility* node) const override;
bool IsEmbeddedObjectInParent() const override;
bool IsInLineBreakingObject() const override;
ax::mojom::Role GetAnchorRole() const override;
ax::mojom::Role GetRole(BrowserAccessibility* node) const override;
ui::AXNodeTextStyles GetTextStyles() const override;
std::vector<int32_t> GetWordStartOffsets() const override;
std::vector<int32_t> GetWordEndOffsets() const override;
ui::AXNode::AXID GetNextOnLineID(ui::AXNode::AXID node_id) const override;
ui::AXNode::AXID GetPreviousOnLineID(ui::AXNode::AXID node_id) const override;
};
} // namespace content
#endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_POSITION_H_
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