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// Copyright 2019 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_ACCESSIBILITY_AX_TREE_MANAGER_MAP_H_
#define UI_ACCESSIBILITY_AX_TREE_MANAGER_MAP_H_
#include <unordered_map>
#include "base/memory/raw_ptr.h"
#include "ui/accessibility/ax_tree_id.h"
#include "ui/accessibility/ax_tree_manager.h"
namespace ui {
// This class manages AXTreeManager instances. It is a wrapper around a
// std::unordered_map. AXTreeID's are used as the key for the map. Since
// AXTreeID's might refer to AXTreeIDUnknown, callers should not expect
// AXTreeIDUnknown to map to a particular AXTreeManager.
class AX_EXPORT AXTreeManagerMap {
public:
AXTreeManagerMap();
~AXTreeManagerMap();
AXTreeManagerMap(const AXTreeManagerMap& map) = delete;
AXTreeManagerMap& operator=(const AXTreeManagerMap& map) = delete;
void AddTreeManager(const AXTreeID& tree_id, AXTreeManager* manager);
void RemoveTreeManager(const AXTreeID& tree_id);
AXTreeManager* GetManager(const AXTreeID& tree_id);
private:
std::unordered_map<AXTreeID,
raw_ptr<AXTreeManager, CtnExperimental>,
AXTreeIDHash>
map_;
};
} // namespace ui
#endif // UI_ACCESSIBILITY_AX_TREE_MANAGER_MAP_H_
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