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Side by Side Diff: ui/accessibility/platform/ax_platform_node.cc

Issue 2119413004: a11y: Exclude children of nested keyboard accessible controls from a11y tree. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase on top of 2704263002. Created 3 years, 10 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 "ui/accessibility/platform/ax_platform_node.h" 5 #include "ui/accessibility/platform/ax_platform_node.h"
6 6
7 #include "base/containers/hash_tables.h" 7 #include "base/containers/hash_tables.h"
8 #include "base/lazy_instance.h" 8 #include "base/lazy_instance.h"
9 #include "build/build_config.h" 9 #include "build/build_config.h"
10 #include "ui/accessibility/ax_node_data.h" 10 #include "ui/accessibility/ax_node_data.h"
11 #include "ui/accessibility/platform/ax_platform_node_delegate.h" 11 #include "ui/accessibility/platform/ax_platform_node_delegate.h"
12 12
13 namespace ui { 13 namespace ui {
14 14
15 namespace { 15 namespace {
16 16
17 using UniqueIdMap = base::hash_map<int32_t, AXPlatformNode*>; 17 using UniqueIdMap = base::hash_map<int32_t, AXPlatformNode*>;
18 // Map from each AXPlatformNode's unique id to its instance. 18 // Map from each AXPlatformNode's unique id to its instance.
19 base::LazyInstance<UniqueIdMap> g_unique_id_map = 19 base::LazyInstance<UniqueIdMap> g_unique_id_map =
20 LAZY_INSTANCE_INITIALIZER; 20 LAZY_INSTANCE_INITIALIZER;
21 21
22 } 22 }
23 23
24 #if !defined(PLATFORM_HAS_AX_PLATFORM_NODE_IMPL) 24 #if !defined(PLATFORM_HAS_AX_PLATFORM_NODE_IMPL)
25 // static 25 // static
26 AXPlatformNode* AXPlatformNode::Create(AXPlatformNodeDelegate* delegate) { 26 AXPlatformNode* AXPlatformNode::Create(AXPlatformNodeDelegate* delegate) {
27 return nullptr; 27 return nullptr;
28 } 28 }
29 #endif // !defined(PLATFORM_HAS_AX_PLATFORM_NODE_IMPL)
30 29
31 #if !defined(OS_WIN)
32 // This is the default implementation for platforms where native views 30 // This is the default implementation for platforms where native views
33 // accessibility is unsupported or unfinished. 31 // accessibility is unsupported or unfinished.
34 // 32 //
35 // static 33 // static
36 AXPlatformNode* AXPlatformNode::FromNativeViewAccessible( 34 AXPlatformNode* AXPlatformNode::FromNativeViewAccessible(
37 gfx::NativeViewAccessible accessible) { 35 gfx::NativeViewAccessible accessible) {
38 return nullptr; 36 return nullptr;
39 } 37 }
40 #endif 38 #endif // !defined(PLATFORM_HAS_AX_PLATFORM_NODE_IMPL)
41 39
42 // static 40 // static
43 int32_t AXPlatformNode::GetNextUniqueId() { 41 int32_t AXPlatformNode::GetNextUniqueId() {
44 static int32_t next_unique_id = 1; 42 static int32_t next_unique_id = 1;
45 int32_t unique_id = next_unique_id; 43 int32_t unique_id = next_unique_id;
46 if (next_unique_id == INT32_MAX) 44 if (next_unique_id == INT32_MAX)
47 next_unique_id = 1; 45 next_unique_id = 1;
48 else 46 else
49 next_unique_id++; 47 next_unique_id++;
50 48
(...skipping 17 matching lines...) Expand all
68 AXPlatformNode* AXPlatformNode::GetFromUniqueId(int32_t unique_id) { 66 AXPlatformNode* AXPlatformNode::GetFromUniqueId(int32_t unique_id) {
69 UniqueIdMap* unique_ids = g_unique_id_map.Pointer(); 67 UniqueIdMap* unique_ids = g_unique_id_map.Pointer();
70 auto iter = unique_ids->find(unique_id); 68 auto iter = unique_ids->find(unique_id);
71 if (iter != unique_ids->end()) 69 if (iter != unique_ids->end())
72 return iter->second; 70 return iter->second;
73 71
74 return nullptr; 72 return nullptr;
75 } 73 }
76 74
77 } // namespace ui 75 } // namespace ui
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