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Side by Side Diff: ui/accessibility/ax_tree_source.h

Issue 1550483002: Switch to standard integer types in ui/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@int-ui-events
Patch Set: Created 4 years, 12 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_ACCESSIBILITY_AX_TREE_SOURCE_H_ 5 #ifndef UI_ACCESSIBILITY_AX_TREE_SOURCE_H_
6 #define UI_ACCESSIBILITY_AX_TREE_SOURCE_H_ 6 #define UI_ACCESSIBILITY_AX_TREE_SOURCE_H_
7 7
8 #include <stdint.h>
9
8 #include <vector> 10 #include <vector>
9 11
10 namespace ui { 12 namespace ui {
11 13
12 // An AXTreeSource is an abstract interface for a serializable 14 // An AXTreeSource is an abstract interface for a serializable
13 // accessibility tree. The tree may be in some other format or 15 // accessibility tree. The tree may be in some other format or
14 // may be computed dynamically, but maintains the properties that 16 // may be computed dynamically, but maintains the properties that
15 // it's a strict tree, it has a unique id for each node, and all 17 // it's a strict tree, it has a unique id for each node, and all
16 // of the accessibility information about a node can be serialized 18 // of the accessibility information about a node can be serialized
17 // as an AXNodeData. This is the primary interface to use when 19 // as an AXNodeData. This is the primary interface to use when
18 // an accessibility tree will be sent over an IPC before being 20 // an accessibility tree will be sent over an IPC before being
19 // consumed. 21 // consumed.
20 template<typename AXNodeSource, typename AXNodeData, typename AXTreeData> 22 template<typename AXNodeSource, typename AXNodeData, typename AXTreeData>
21 class AXTreeSource { 23 class AXTreeSource {
22 public: 24 public:
23 virtual ~AXTreeSource() {} 25 virtual ~AXTreeSource() {}
24 26
25 // Get the tree data. 27 // Get the tree data.
26 virtual AXTreeData GetTreeData() const = 0; 28 virtual AXTreeData GetTreeData() const = 0;
27 29
28 // Get the root of the tree. 30 // Get the root of the tree.
29 virtual AXNodeSource GetRoot() const = 0; 31 virtual AXNodeSource GetRoot() const = 0;
30 32
31 // Get a node by its id. If no node by that id exists in the tree, return a 33 // Get a node by its id. If no node by that id exists in the tree, return a
32 // null node, i.e. one that will return false if you call IsValid on it. 34 // null node, i.e. one that will return false if you call IsValid on it.
33 virtual AXNodeSource GetFromId(int32 id) const = 0; 35 virtual AXNodeSource GetFromId(int32_t id) const = 0;
34 36
35 // Return the id of a node. All ids must be positive integers. 37 // Return the id of a node. All ids must be positive integers.
36 virtual int32 GetId(AXNodeSource node) const = 0; 38 virtual int32_t GetId(AXNodeSource node) const = 0;
37 39
38 // Append all children of |node| to |out_children|. 40 // Append all children of |node| to |out_children|.
39 virtual void GetChildren(AXNodeSource node, 41 virtual void GetChildren(AXNodeSource node,
40 std::vector<AXNodeSource>* out_children) const = 0; 42 std::vector<AXNodeSource>* out_children) const = 0;
41 43
42 // Get the parent of |node|. 44 // Get the parent of |node|.
43 virtual AXNodeSource GetParent(AXNodeSource node) const = 0; 45 virtual AXNodeSource GetParent(AXNodeSource node) const = 0;
44 46
45 // Returns true if |node| is valid, and false if it's a null pointer or a 47 // Returns true if |node| is valid, and false if it's a null pointer or a
46 // node object representing the null pointer. 48 // node object representing the null pointer.
47 virtual bool IsValid(AXNodeSource node) const = 0; 49 virtual bool IsValid(AXNodeSource node) const = 0;
48 50
49 // Returns true if two nodes are equal. 51 // Returns true if two nodes are equal.
50 virtual bool IsEqual(AXNodeSource node1, 52 virtual bool IsEqual(AXNodeSource node1,
51 AXNodeSource node2) const = 0; 53 AXNodeSource node2) const = 0;
52 54
53 // Return a AXNodeSource representing null. 55 // Return a AXNodeSource representing null.
54 virtual AXNodeSource GetNull() const = 0; 56 virtual AXNodeSource GetNull() const = 0;
55 57
56 // Serialize one node in the tree. 58 // Serialize one node in the tree.
57 virtual void SerializeNode(AXNodeSource node, AXNodeData* out_data) const = 0; 59 virtual void SerializeNode(AXNodeSource node, AXNodeData* out_data) const = 0;
58 60
59 protected: 61 protected:
60 AXTreeSource() {} 62 AXTreeSource() {}
61 }; 63 };
62 64
63 } // namespace ui 65 } // namespace ui
64 66
65 #endif // UI_ACCESSIBILITY_AX_TREE_SOURCE_H_ 67 #endif // UI_ACCESSIBILITY_AX_TREE_SOURCE_H_
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