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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: Rebase. 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 #include <utility>
8 9
9 #include "base/logging.h" 10 #include "base/logging.h"
10 #include "build/build_config.h" 11 #include "build/build_config.h"
11 #include "content/browser/accessibility/browser_accessibility.h" 12 #include "content/browser/accessibility/browser_accessibility.h"
12 #include "content/common/accessibility_messages.h" 13 #include "content/common/accessibility_messages.h"
13 #include "ui/accessibility/ax_tree_serializer.h" 14 #include "ui/accessibility/ax_tree_serializer.h"
14 15
15 namespace content { 16 namespace content {
16 17
17 namespace { 18 namespace {
(...skipping 14 matching lines...) Expand all
32 if (result) 33 if (result)
33 return result; 34 return result;
34 } 35 }
35 36
36 return nullptr; 37 return nullptr;
37 } 38 }
38 39
39 } // namespace 40 } // namespace
40 41
41 // Map from AXTreeID to BrowserAccessibilityManager 42 // Map from AXTreeID to BrowserAccessibilityManager
42 using AXTreeIDMap = 43 using AXTreeIDMap = base::hash_map<ui::AXTreeIDRegistry::AXTreeID,
43 base::hash_map<AXTreeIDRegistry::AXTreeID, BrowserAccessibilityManager*>; 44 BrowserAccessibilityManager*>;
44 base::LazyInstance<AXTreeIDMap> g_ax_tree_id_map = LAZY_INSTANCE_INITIALIZER; 45 base::LazyInstance<AXTreeIDMap> g_ax_tree_id_map = LAZY_INSTANCE_INITIALIZER;
45 46
46 // A function to call when focus changes, for testing only. 47 // A function to call when focus changes, for testing only.
47 base::LazyInstance<base::Closure> g_focus_change_callback_for_testing = 48 base::LazyInstance<base::Closure> g_focus_change_callback_for_testing =
48 LAZY_INSTANCE_INITIALIZER; 49 LAZY_INSTANCE_INITIALIZER;
49 50
50 ui::AXTreeUpdate MakeAXTreeUpdate( 51 ui::AXTreeUpdate MakeAXTreeUpdate(
51 const ui::AXNodeData& node1, 52 const ui::AXNodeData& node1,
52 const ui::AXNodeData& node2 /* = ui::AXNodeData() */, 53 const ui::AXNodeData& node2 /* = ui::AXNodeData() */,
53 const ui::AXNodeData& node3 /* = ui::AXNodeData() */, 54 const ui::AXNodeData& node3 /* = ui::AXNodeData() */,
(...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after
109 BrowserAccessibilityManager* BrowserAccessibilityManager::Create( 110 BrowserAccessibilityManager* BrowserAccessibilityManager::Create(
110 const ui::AXTreeUpdate& initial_tree, 111 const ui::AXTreeUpdate& initial_tree,
111 BrowserAccessibilityDelegate* delegate, 112 BrowserAccessibilityDelegate* delegate,
112 BrowserAccessibilityFactory* factory) { 113 BrowserAccessibilityFactory* factory) {
113 return new BrowserAccessibilityManager(initial_tree, delegate, factory); 114 return new BrowserAccessibilityManager(initial_tree, delegate, factory);
114 } 115 }
115 #endif 116 #endif
116 117
117 // static 118 // static
118 BrowserAccessibilityManager* BrowserAccessibilityManager::FromID( 119 BrowserAccessibilityManager* BrowserAccessibilityManager::FromID(
119 AXTreeIDRegistry::AXTreeID ax_tree_id) { 120 ui::AXTreeIDRegistry::AXTreeID ax_tree_id) {
120 AXTreeIDMap* ax_tree_id_map = g_ax_tree_id_map.Pointer(); 121 AXTreeIDMap* ax_tree_id_map = g_ax_tree_id_map.Pointer();
121 auto iter = ax_tree_id_map->find(ax_tree_id); 122 auto iter = ax_tree_id_map->find(ax_tree_id);
122 return iter == ax_tree_id_map->end() ? nullptr : iter->second; 123 return iter == ax_tree_id_map->end() ? nullptr : iter->second;
123 } 124 }
124 125
125 BrowserAccessibilityManager::BrowserAccessibilityManager( 126 BrowserAccessibilityManager::BrowserAccessibilityManager(
126 BrowserAccessibilityDelegate* delegate, 127 BrowserAccessibilityDelegate* delegate,
127 BrowserAccessibilityFactory* factory) 128 BrowserAccessibilityFactory* factory)
128 : delegate_(delegate), 129 : delegate_(delegate),
129 factory_(factory), 130 factory_(factory),
130 tree_(new ui::AXSerializableTree()), 131 tree_(new ui::AXSerializableTree()),
131 user_is_navigating_away_(false), 132 user_is_navigating_away_(false),
132 osk_state_(OSK_ALLOWED), 133 osk_state_(OSK_ALLOWED),
133 last_focused_node_(nullptr), 134 last_focused_node_(nullptr),
134 last_focused_manager_(nullptr), 135 last_focused_manager_(nullptr),
135 connected_to_parent_tree_node_(false), 136 connected_to_parent_tree_node_(false),
136 ax_tree_id_(AXTreeIDRegistry::kNoAXTreeID), 137 ax_tree_id_(ui::AXTreeIDRegistry::kNoAXTreeID),
137 parent_node_id_from_parent_tree_(0) { 138 parent_node_id_from_parent_tree_(0) {
138 tree_->SetDelegate(this); 139 tree_->SetDelegate(this);
139 } 140 }
140 141
141 BrowserAccessibilityManager::BrowserAccessibilityManager( 142 BrowserAccessibilityManager::BrowserAccessibilityManager(
142 const ui::AXTreeUpdate& initial_tree, 143 const ui::AXTreeUpdate& initial_tree,
143 BrowserAccessibilityDelegate* delegate, 144 BrowserAccessibilityDelegate* delegate,
144 BrowserAccessibilityFactory* factory) 145 BrowserAccessibilityFactory* factory)
145 : delegate_(delegate), 146 : delegate_(delegate),
146 factory_(factory), 147 factory_(factory),
147 tree_(new ui::AXSerializableTree()), 148 tree_(new ui::AXSerializableTree()),
148 user_is_navigating_away_(false), 149 user_is_navigating_away_(false),
149 osk_state_(OSK_ALLOWED), 150 osk_state_(OSK_ALLOWED),
150 last_focused_node_(nullptr), 151 last_focused_node_(nullptr),
151 last_focused_manager_(nullptr), 152 last_focused_manager_(nullptr),
152 ax_tree_id_(AXTreeIDRegistry::kNoAXTreeID), 153 ax_tree_id_(ui::AXTreeIDRegistry::kNoAXTreeID),
153 parent_node_id_from_parent_tree_(0) { 154 parent_node_id_from_parent_tree_(0) {
154 tree_->SetDelegate(this); 155 tree_->SetDelegate(this);
155 Initialize(initial_tree); 156 Initialize(initial_tree);
156 } 157 }
157 158
158 BrowserAccessibilityManager::~BrowserAccessibilityManager() { 159 BrowserAccessibilityManager::~BrowserAccessibilityManager() {
159 tree_.reset(NULL); 160 tree_.reset(NULL);
160 g_ax_tree_id_map.Get().erase(ax_tree_id_); 161 g_ax_tree_id_map.Get().erase(ax_tree_id_);
161 } 162 }
162 163
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1242 hit_test_result = parent; 1243 hit_test_result = parent;
1243 parent = parent->GetParent(); 1244 parent = parent->GetParent();
1244 } 1245 }
1245 1246
1246 last_hover_ax_tree_id_ = hit_test_result->manager()->ax_tree_id(); 1247 last_hover_ax_tree_id_ = hit_test_result->manager()->ax_tree_id();
1247 last_hover_node_id_ = hit_test_result->GetId(); 1248 last_hover_node_id_ = hit_test_result->GetId();
1248 last_hover_bounds_ = hit_test_result->GetScreenBoundsRect(); 1249 last_hover_bounds_ = hit_test_result->GetScreenBoundsRect();
1249 } 1250 }
1250 1251
1251 } // namespace content 1252 } // namespace content
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