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Side by Side Diff: ui/accessibility/ax_tree.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_H_ 5 #ifndef UI_ACCESSIBILITY_AX_TREE_H_
6 #define UI_ACCESSIBILITY_AX_TREE_H_ 6 #define UI_ACCESSIBILITY_AX_TREE_H_
7 7
8 #include <stdint.h>
9
8 #include <set> 10 #include <set>
9 11
10 #include "base/containers/hash_tables.h" 12 #include "base/containers/hash_tables.h"
11 #include "ui/accessibility/ax_export.h" 13 #include "ui/accessibility/ax_export.h"
12 #include "ui/accessibility/ax_node_data.h" 14 #include "ui/accessibility/ax_node_data.h"
13 #include "ui/accessibility/ax_tree_data.h" 15 #include "ui/accessibility/ax_tree_data.h"
14 #include "ui/accessibility/ax_tree_update.h" 16 #include "ui/accessibility/ax_tree_update.h"
15 17
16 namespace ui { 18 namespace ui {
17 19
(...skipping 78 matching lines...) Expand 10 before | Expand all | Expand 10 after
96 explicit AXTree(const AXTreeUpdate& initial_state); 98 explicit AXTree(const AXTreeUpdate& initial_state);
97 virtual ~AXTree(); 99 virtual ~AXTree();
98 100
99 virtual void SetDelegate(AXTreeDelegate* delegate); 101 virtual void SetDelegate(AXTreeDelegate* delegate);
100 102
101 AXNode* root() const { return root_; } 103 AXNode* root() const { return root_; }
102 104
103 const AXTreeData& data() const { return data_; } 105 const AXTreeData& data() const { return data_; }
104 106
105 // Returns the AXNode with the given |id| if it is part of this AXTree. 107 // Returns the AXNode with the given |id| if it is part of this AXTree.
106 AXNode* GetFromId(int32 id) const; 108 AXNode* GetFromId(int32_t id) const;
107 109
108 // Returns true on success. If it returns false, it's a fatal error 110 // Returns true on success. If it returns false, it's a fatal error
109 // and this tree should be destroyed, and the source of the tree update 111 // and this tree should be destroyed, and the source of the tree update
110 // should not be trusted any longer. 112 // should not be trusted any longer.
111 virtual bool Unserialize(const AXTreeUpdate& update); 113 virtual bool Unserialize(const AXTreeUpdate& update);
112 114
113 virtual void UpdateData(const AXTreeData& data); 115 virtual void UpdateData(const AXTreeData& data);
114 116
115 // Return a multi-line indented string representation, for logging. 117 // Return a multi-line indented string representation, for logging.
116 std::string ToString() const; 118 std::string ToString() const;
117 119
118 // A string describing the error from an unsuccessful Unserialize, 120 // A string describing the error from an unsuccessful Unserialize,
119 // for testing and debugging. 121 // for testing and debugging.
120 const std::string& error() const { return error_; } 122 const std::string& error() const { return error_; }
121 123
122 int size() { return static_cast<int>(id_map_.size()); } 124 int size() { return static_cast<int>(id_map_.size()); }
123 125
124 private: 126 private:
125 AXNode* CreateNode(AXNode* parent, int32 id, int32 index_in_parent); 127 AXNode* CreateNode(AXNode* parent, int32_t id, int32_t index_in_parent);
126 128
127 // This is called from within Unserialize(), it returns true on success. 129 // This is called from within Unserialize(), it returns true on success.
128 bool UpdateNode(const AXNodeData& src, AXTreeUpdateState* update_state); 130 bool UpdateNode(const AXNodeData& src, AXTreeUpdateState* update_state);
129 131
130 void OnRootChanged(); 132 void OnRootChanged();
131 133
132 // Notify the delegate that the subtree rooted at |node| will be destroyed, 134 // Notify the delegate that the subtree rooted at |node| will be destroyed,
133 // then call DestroyNodeAndSubtree on it. 135 // then call DestroyNodeAndSubtree on it.
134 void DestroySubtree(AXNode* node, AXTreeUpdateState* update_state); 136 void DestroySubtree(AXNode* node, AXTreeUpdateState* update_state);
135 137
136 // Call Destroy() on |node|, and delete it from the id map, and then 138 // Call Destroy() on |node|, and delete it from the id map, and then
137 // call recursively on all nodes in its subtree. 139 // call recursively on all nodes in its subtree.
138 void DestroyNodeAndSubtree(AXNode* node, AXTreeUpdateState* update_state); 140 void DestroyNodeAndSubtree(AXNode* node, AXTreeUpdateState* update_state);
139 141
140 // Iterate over the children of |node| and for each child, destroy the 142 // Iterate over the children of |node| and for each child, destroy the
141 // child and its subtree if its id is not in |new_child_ids|. Returns 143 // child and its subtree if its id is not in |new_child_ids|. Returns
142 // true on success, false on fatal error. 144 // true on success, false on fatal error.
143 bool DeleteOldChildren(AXNode* node, 145 bool DeleteOldChildren(AXNode* node,
144 const std::vector<int32>& new_child_ids, 146 const std::vector<int32_t>& new_child_ids,
145 AXTreeUpdateState* update_state); 147 AXTreeUpdateState* update_state);
146 148
147 // Iterate over |new_child_ids| and populate |new_children| with 149 // Iterate over |new_child_ids| and populate |new_children| with
148 // pointers to child nodes, reusing existing nodes already in the tree 150 // pointers to child nodes, reusing existing nodes already in the tree
149 // if they exist, and creating otherwise. Reparenting is disallowed, so 151 // if they exist, and creating otherwise. Reparenting is disallowed, so
150 // if the id already exists as the child of another node, that's an 152 // if the id already exists as the child of another node, that's an
151 // error. Returns true on success, false on fatal error. 153 // error. Returns true on success, false on fatal error.
152 bool CreateNewChildVector(AXNode* node, 154 bool CreateNewChildVector(AXNode* node,
153 const std::vector<int32>& new_child_ids, 155 const std::vector<int32_t>& new_child_ids,
154 std::vector<AXNode*>* new_children, 156 std::vector<AXNode*>* new_children,
155 AXTreeUpdateState* update_state); 157 AXTreeUpdateState* update_state);
156 158
157 AXTreeDelegate* delegate_; 159 AXTreeDelegate* delegate_;
158 AXNode* root_; 160 AXNode* root_;
159 base::hash_map<int32, AXNode*> id_map_; 161 base::hash_map<int32_t, AXNode*> id_map_;
160 std::string error_; 162 std::string error_;
161 AXTreeData data_; 163 AXTreeData data_;
162 }; 164 };
163 165
164 } // namespace ui 166 } // namespace ui
165 167
166 #endif // UI_ACCESSIBILITY_AX_TREE_H_ 168 #endif // UI_ACCESSIBILITY_AX_TREE_H_
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