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// Copyright 2020 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_TEST_AX_TREE_MANAGER_H_
#define UI_ACCESSIBILITY_TEST_AX_TREE_MANAGER_H_
#include <memory>
#include "ui/accessibility/ax_node_position.h"
#include "ui/accessibility/ax_tree.h"
#include "ui/accessibility/ax_tree_id.h"
#include "ui/accessibility/ax_tree_manager.h"
namespace ui {
class AXNode;
struct AXTreeUpdate;
struct TestAXTreeUpdateNode;
// A basic implementation of AXTreeManager that can be used in tests.
//
// For simplicity, this class supports only a single tree and doesn't perform
// any walking across multiple trees.
class TestAXTreeManager : public AXTreeManager {
public:
// This constructor does not create an empty AXTree. Call "SetTree" if you
// need to manage a specific tree. Useful when you need to test for the
// situation when no AXTree has been loaded yet.
TestAXTreeManager();
// Takes ownership of |tree|.
explicit TestAXTreeManager(std::unique_ptr<AXTree> tree);
~TestAXTreeManager() override;
TestAXTreeManager(const TestAXTreeManager& manager) = delete;
TestAXTreeManager& operator=(const TestAXTreeManager& manager) = delete;
TestAXTreeManager(TestAXTreeManager&& manager);
TestAXTreeManager& operator=(TestAXTreeManager&& manager);
void DestroyTree();
AXTree* GetTree() const;
// Takes ownership of |tree|.
void SetTree(std::unique_ptr<AXTree> tree);
// Creates and set the tree by a given AXTreeUpdate instance.
AXTree* Init(AXTreeUpdate tree_update);
// Set the tree by a given TestAXTreeUpdateNode instance.
AXTree* Init(const TestAXTreeUpdateNode& tree_update_root);
// Convenience functions to initialize directly from a few AXNodeData objects.
AXTree* Init(const AXNodeData& node1,
const AXNodeData& node2 = AXNodeData(),
const AXNodeData& node3 = AXNodeData(),
const AXNodeData& node4 = AXNodeData(),
const AXNodeData& node5 = AXNodeData(),
const AXNodeData& node6 = AXNodeData(),
const AXNodeData& node7 = AXNodeData(),
const AXNodeData& node8 = AXNodeData(),
const AXNodeData& node9 = AXNodeData(),
const AXNodeData& node10 = AXNodeData(),
const AXNodeData& node11 = AXNodeData(),
const AXNodeData& node12 = AXNodeData());
// Create an AXPosition instance, a simple wrapper around
// AXNodePosition::CreateTextPosition.
AXNodePosition::AXPositionInstance CreateTextPosition(
const AXNode& anchor,
int text_offset,
ax::mojom::TextAffinity affinity) const;
// Create AXPosition instance for the given |anchor_id| belonging to the
// current tree.
AXNodePosition::AXPositionInstance CreateTextPosition(
const AXNodeID& anchor_id,
int text_offset,
ax::mojom::TextAffinity affinity) const;
// AXTreeManager implementation.
AXNode* GetNodeFromTree(const AXTreeID& tree_id,
const AXNodeID node_id) const override;
AXNode* GetParentNodeFromParentTreeAsAXNode() const override;
};
} // namespace ui
#endif // UI_ACCESSIBILITY_TEST_AX_TREE_MANAGER_H_
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