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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.h" | 5 #include "content/browser/accessibility/browser_accessibility.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <iterator> | 10 #include <iterator> |
11 | 11 |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #include "base/strings/string_number_conversions.h" | 13 #include "base/strings/string_number_conversions.h" |
14 #include "base/strings/string_util.h" | 14 #include "base/strings/string_util.h" |
15 #include "content/browser/accessibility/browser_accessibility_manager.h" | 15 #include "content/browser/accessibility/browser_accessibility_manager.h" |
16 #include "content/browser/accessibility/browser_accessibility_state_impl.h" | 16 #include "content/browser/accessibility/browser_accessibility_state_impl.h" |
17 #include "content/common/accessibility_messages.h" | 17 #include "content/common/accessibility_messages.h" |
18 #include "ui/accessibility/ax_role_properties.h" | 18 #include "ui/accessibility/ax_role_properties.h" |
19 #include "ui/accessibility/ax_text_utils.h" | 19 #include "ui/accessibility/ax_text_utils.h" |
20 #include "ui/accessibility/platform/ax_platform_unique_id.h" | |
21 #include "ui/gfx/geometry/rect_conversions.h" | 20 #include "ui/gfx/geometry/rect_conversions.h" |
22 #include "ui/gfx/geometry/rect_f.h" | 21 #include "ui/gfx/geometry/rect_f.h" |
23 | 22 |
24 namespace content { | 23 namespace content { |
25 | 24 |
26 namespace { | |
27 | |
28 // Map from unique_id to BrowserAccessibility | |
29 using UniqueIDMap = base::hash_map<int32_t, BrowserAccessibility*>; | |
30 base::LazyInstance<UniqueIDMap>::DestructorAtExit g_unique_id_map = | |
31 LAZY_INSTANCE_INITIALIZER; | |
32 } | |
33 | |
34 #if !defined(PLATFORM_HAS_NATIVE_ACCESSIBILITY_IMPL) | 25 #if !defined(PLATFORM_HAS_NATIVE_ACCESSIBILITY_IMPL) |
35 // static | 26 // static |
36 BrowserAccessibility* BrowserAccessibility::Create() { | 27 BrowserAccessibility* BrowserAccessibility::Create() { |
37 return new BrowserAccessibility(); | 28 return new BrowserAccessibility(); |
38 } | 29 } |
39 #endif | 30 #endif |
40 | 31 |
41 BrowserAccessibility::BrowserAccessibility() | 32 BrowserAccessibility::BrowserAccessibility() |
42 : manager_(nullptr), | 33 : manager_(nullptr), node_(nullptr) {} |
43 node_(nullptr), | |
44 unique_id_(ui::GetNextAXPlatformNodeUniqueId()) { | |
45 g_unique_id_map.Get()[unique_id_] = this; | |
46 } | |
47 | 34 |
48 BrowserAccessibility::~BrowserAccessibility() { | 35 BrowserAccessibility::~BrowserAccessibility() { |
49 if (unique_id_) | |
50 g_unique_id_map.Get().erase(unique_id_); | |
51 } | |
52 | |
53 // static | |
54 BrowserAccessibility* BrowserAccessibility::GetFromUniqueID(int32_t unique_id) { | |
55 auto iter = g_unique_id_map.Get().find(unique_id); | |
56 if (iter == g_unique_id_map.Get().end()) | |
57 return nullptr; | |
58 | |
59 return iter->second; | |
60 } | 36 } |
61 | 37 |
62 void BrowserAccessibility::Init(BrowserAccessibilityManager* manager, | 38 void BrowserAccessibility::Init(BrowserAccessibilityManager* manager, |
63 ui::AXNode* node) { | 39 ui::AXNode* node) { |
64 manager_ = manager; | 40 manager_ = manager; |
65 node_ = node; | 41 node_ = node; |
66 } | 42 } |
67 | 43 |
68 bool BrowserAccessibility::PlatformIsLeaf() const { | 44 bool BrowserAccessibility::PlatformIsLeaf() const { |
69 if (InternalChildCount() == 0) | 45 if (InternalChildCount() == 0) |
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566 | 542 |
567 void BrowserAccessibility::Destroy() { | 543 void BrowserAccessibility::Destroy() { |
568 // Allow the object to fire a TextRemoved notification. | 544 // Allow the object to fire a TextRemoved notification. |
569 manager()->NotifyAccessibilityEvent( | 545 manager()->NotifyAccessibilityEvent( |
570 BrowserAccessibilityEvent::FromTreeChange, | 546 BrowserAccessibilityEvent::FromTreeChange, |
571 ui::AX_EVENT_HIDE, | 547 ui::AX_EVENT_HIDE, |
572 this); | 548 this); |
573 node_ = NULL; | 549 node_ = NULL; |
574 manager_ = NULL; | 550 manager_ = NULL; |
575 | 551 |
576 if (unique_id_) | |
577 g_unique_id_map.Get().erase(unique_id_); | |
578 unique_id_ = 0; | |
579 | |
580 NativeReleaseReference(); | 552 NativeReleaseReference(); |
581 } | 553 } |
582 | 554 |
583 void BrowserAccessibility::NativeReleaseReference() { | 555 void BrowserAccessibility::NativeReleaseReference() { |
584 delete this; | 556 delete this; |
585 } | 557 } |
586 | 558 |
587 bool BrowserAccessibility::HasBoolAttribute( | 559 bool BrowserAccessibility::HasBoolAttribute( |
588 ui::AXBoolAttribute attribute) const { | 560 ui::AXBoolAttribute attribute) const { |
589 return GetData().HasBoolAttribute(attribute); | 561 return GetData().HasBoolAttribute(attribute); |
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1020 return false; | 992 return false; |
1021 } | 993 } |
1022 | 994 |
1023 bool BrowserAccessibility::ShouldIgnoreHoveredStateForTesting() { | 995 bool BrowserAccessibility::ShouldIgnoreHoveredStateForTesting() { |
1024 BrowserAccessibilityStateImpl* accessibility_state = | 996 BrowserAccessibilityStateImpl* accessibility_state = |
1025 BrowserAccessibilityStateImpl::GetInstance(); | 997 BrowserAccessibilityStateImpl::GetInstance(); |
1026 return accessibility_state->disable_hot_tracking_for_testing(); | 998 return accessibility_state->disable_hot_tracking_for_testing(); |
1027 } | 999 } |
1028 | 1000 |
1029 } // namespace content | 1001 } // namespace content |
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