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Side by Side Diff: content/browser/accessibility/browser_accessibility_manager.cc

Issue 2640123004: Initial support for native accessibility in ARC (Closed)
Patch Set: |window| can be nullptr Created 3 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 #include "content/browser/accessibility/browser_accessibility_manager.h" 5 #include "content/browser/accessibility/browser_accessibility_manager.h"
6 6
7 #include <stddef.h> 7 #include <stddef.h>
8 8
9 #include "base/logging.h" 9 #include "base/logging.h"
10 #include "build/build_config.h" 10 #include "build/build_config.h"
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32 if (result) 32 if (result)
33 return result; 33 return result;
34 } 34 }
35 35
36 return nullptr; 36 return nullptr;
37 } 37 }
38 38
39 } // namespace 39 } // namespace
40 40
41 // Map from AXTreeID to BrowserAccessibilityManager 41 // Map from AXTreeID to BrowserAccessibilityManager
42 using AXTreeIDMap = 42 using AXTreeIDMap = base::hash_map<ui::AXTreeIDRegistry::AXTreeID,
43 base::hash_map<AXTreeIDRegistry::AXTreeID, BrowserAccessibilityManager*>; 43 BrowserAccessibilityManager*>;
44 base::LazyInstance<AXTreeIDMap> g_ax_tree_id_map = LAZY_INSTANCE_INITIALIZER; 44 base::LazyInstance<AXTreeIDMap> g_ax_tree_id_map = LAZY_INSTANCE_INITIALIZER;
45 45
46 // A function to call when focus changes, for testing only. 46 // A function to call when focus changes, for testing only.
47 base::LazyInstance<base::Closure> g_focus_change_callback_for_testing = 47 base::LazyInstance<base::Closure> g_focus_change_callback_for_testing =
48 LAZY_INSTANCE_INITIALIZER; 48 LAZY_INSTANCE_INITIALIZER;
49 49
50 ui::AXTreeUpdate MakeAXTreeUpdate( 50 ui::AXTreeUpdate MakeAXTreeUpdate(
51 const ui::AXNodeData& node1, 51 const ui::AXNodeData& node1,
52 const ui::AXNodeData& node2 /* = ui::AXNodeData() */, 52 const ui::AXNodeData& node2 /* = ui::AXNodeData() */,
53 const ui::AXNodeData& node3 /* = ui::AXNodeData() */, 53 const ui::AXNodeData& node3 /* = ui::AXNodeData() */,
(...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after
109 BrowserAccessibilityManager* BrowserAccessibilityManager::Create( 109 BrowserAccessibilityManager* BrowserAccessibilityManager::Create(
110 const ui::AXTreeUpdate& initial_tree, 110 const ui::AXTreeUpdate& initial_tree,
111 BrowserAccessibilityDelegate* delegate, 111 BrowserAccessibilityDelegate* delegate,
112 BrowserAccessibilityFactory* factory) { 112 BrowserAccessibilityFactory* factory) {
113 return new BrowserAccessibilityManager(initial_tree, delegate, factory); 113 return new BrowserAccessibilityManager(initial_tree, delegate, factory);
114 } 114 }
115 #endif 115 #endif
116 116
117 // static 117 // static
118 BrowserAccessibilityManager* BrowserAccessibilityManager::FromID( 118 BrowserAccessibilityManager* BrowserAccessibilityManager::FromID(
119 AXTreeIDRegistry::AXTreeID ax_tree_id) { 119 ui::AXTreeIDRegistry::AXTreeID ax_tree_id) {
120 AXTreeIDMap* ax_tree_id_map = g_ax_tree_id_map.Pointer(); 120 AXTreeIDMap* ax_tree_id_map = g_ax_tree_id_map.Pointer();
121 auto iter = ax_tree_id_map->find(ax_tree_id); 121 auto iter = ax_tree_id_map->find(ax_tree_id);
122 return iter == ax_tree_id_map->end() ? nullptr : iter->second; 122 return iter == ax_tree_id_map->end() ? nullptr : iter->second;
123 } 123 }
124 124
125 BrowserAccessibilityManager::BrowserAccessibilityManager( 125 BrowserAccessibilityManager::BrowserAccessibilityManager(
126 BrowserAccessibilityDelegate* delegate, 126 BrowserAccessibilityDelegate* delegate,
127 BrowserAccessibilityFactory* factory) 127 BrowserAccessibilityFactory* factory)
128 : delegate_(delegate), 128 : delegate_(delegate),
129 factory_(factory), 129 factory_(factory),
130 tree_(new ui::AXSerializableTree()), 130 tree_(new ui::AXSerializableTree()),
131 user_is_navigating_away_(false), 131 user_is_navigating_away_(false),
132 osk_state_(OSK_ALLOWED), 132 osk_state_(OSK_ALLOWED),
133 last_focused_node_(nullptr), 133 last_focused_node_(nullptr),
134 last_focused_manager_(nullptr), 134 last_focused_manager_(nullptr),
135 connected_to_parent_tree_node_(false), 135 connected_to_parent_tree_node_(false),
136 ax_tree_id_(AXTreeIDRegistry::kNoAXTreeID), 136 ax_tree_id_(ui::AXTreeIDRegistry::kNoAXTreeID),
137 parent_node_id_from_parent_tree_(0) { 137 parent_node_id_from_parent_tree_(0) {
138 tree_->SetDelegate(this); 138 tree_->SetDelegate(this);
139 } 139 }
140 140
141 BrowserAccessibilityManager::BrowserAccessibilityManager( 141 BrowserAccessibilityManager::BrowserAccessibilityManager(
142 const ui::AXTreeUpdate& initial_tree, 142 const ui::AXTreeUpdate& initial_tree,
143 BrowserAccessibilityDelegate* delegate, 143 BrowserAccessibilityDelegate* delegate,
144 BrowserAccessibilityFactory* factory) 144 BrowserAccessibilityFactory* factory)
145 : delegate_(delegate), 145 : delegate_(delegate),
146 factory_(factory), 146 factory_(factory),
147 tree_(new ui::AXSerializableTree()), 147 tree_(new ui::AXSerializableTree()),
148 user_is_navigating_away_(false), 148 user_is_navigating_away_(false),
149 osk_state_(OSK_ALLOWED), 149 osk_state_(OSK_ALLOWED),
150 last_focused_node_(nullptr), 150 last_focused_node_(nullptr),
151 last_focused_manager_(nullptr), 151 last_focused_manager_(nullptr),
152 ax_tree_id_(AXTreeIDRegistry::kNoAXTreeID), 152 ax_tree_id_(ui::AXTreeIDRegistry::kNoAXTreeID),
153 parent_node_id_from_parent_tree_(0) { 153 parent_node_id_from_parent_tree_(0) {
154 tree_->SetDelegate(this); 154 tree_->SetDelegate(this);
155 Initialize(initial_tree); 155 Initialize(initial_tree);
156 } 156 }
157 157
158 BrowserAccessibilityManager::~BrowserAccessibilityManager() { 158 BrowserAccessibilityManager::~BrowserAccessibilityManager() {
159 tree_.reset(NULL); 159 tree_.reset(NULL);
160 g_ax_tree_id_map.Get().erase(ax_tree_id_); 160 g_ax_tree_id_map.Get().erase(ax_tree_id_);
161 } 161 }
162 162
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1245 hit_test_result = parent; 1245 hit_test_result = parent;
1246 parent = parent->GetParent(); 1246 parent = parent->GetParent();
1247 } 1247 }
1248 1248
1249 last_hover_ax_tree_id_ = hit_test_result->manager()->ax_tree_id(); 1249 last_hover_ax_tree_id_ = hit_test_result->manager()->ax_tree_id();
1250 last_hover_node_id_ = hit_test_result->GetId(); 1250 last_hover_node_id_ = hit_test_result->GetId();
1251 last_hover_bounds_ = hit_test_result->GetScreenBoundsRect(); 1251 last_hover_bounds_ = hit_test_result->GetScreenBoundsRect();
1252 } 1252 }
1253 1253
1254 } // namespace content 1254 } // namespace content
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