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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/ui/ash/accessibility/ax_tree_source_ash.h" | |
6 | |
7 #include <vector> | |
8 | |
9 #include "chrome/browser/accessibility/ax_tree_id_registry.h" | |
10 #include "chrome/browser/ui/ash/accessibility/automation_manager_ash.h" | |
11 #include "content/public/browser/render_frame_host.h" | |
12 #include "content/public/browser/render_process_host.h" | |
13 #include "content/public/browser/web_contents.h" | |
14 #include "ui/views/accessibility/ax_aura_obj_cache.h" | |
15 #include "ui/views/accessibility/ax_aura_obj_wrapper.h" | |
16 #include "ui/views/accessibility/ax_view_obj_wrapper.h" | |
17 #include "ui/views/controls/webview/webview.h" | |
18 | |
19 using views::AXAuraObjCache; | |
20 using views::AXAuraObjWrapper; | |
21 | |
22 AXTreeSourceAsh::AXTreeSourceAsh() { | |
23 root_.reset( | |
24 new AXRootObjWrapper(AXAuraObjCache::GetInstance()->GetNextID())); | |
25 } | |
26 | |
27 AXTreeSourceAsh::~AXTreeSourceAsh() { | |
28 root_.reset(); | |
29 } | |
30 | |
31 void AXTreeSourceAsh::DoDefault(int32 id) { | |
32 AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id); | |
33 CHECK(obj); | |
34 obj->DoDefault(); | |
35 } | |
36 | |
37 void AXTreeSourceAsh::Focus(int32 id) { | |
38 AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id); | |
39 CHECK(obj); | |
40 obj->Focus(); | |
41 } | |
42 | |
43 void AXTreeSourceAsh::MakeVisible(int32 id) { | |
44 AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id); | |
45 CHECK(obj); | |
46 obj->MakeVisible(); | |
47 } | |
48 | |
49 void AXTreeSourceAsh::SetSelection(int32 id, int32 start, int32 end) { | |
50 AXAuraObjWrapper* obj = AXAuraObjCache::GetInstance()->Get(id); | |
51 CHECK(obj); | |
52 obj->SetSelection(start, end); | |
53 } | |
54 | |
55 AXAuraObjWrapper* AXTreeSourceAsh::GetRoot() const { | |
56 return root_.get(); | |
57 } | |
58 | |
59 AXAuraObjWrapper* AXTreeSourceAsh::GetFromId(int32 id) const { | |
60 if (id == root_->GetID()) | |
61 return root_.get(); | |
62 return AXAuraObjCache::GetInstance()->Get(id); | |
63 } | |
64 | |
65 int32 AXTreeSourceAsh::GetId(AXAuraObjWrapper* node) const { | |
66 return node->GetID(); | |
67 } | |
68 | |
69 void AXTreeSourceAsh::GetChildren(AXAuraObjWrapper* node, | |
70 std::vector<AXAuraObjWrapper*>* out_children) const { | |
71 node->GetChildren(out_children); | |
72 } | |
73 | |
74 AXAuraObjWrapper* AXTreeSourceAsh::GetParent(AXAuraObjWrapper* node) const { | |
75 AXAuraObjWrapper* parent = node->GetParent(); | |
76 if (!parent && node->GetID() != root_->GetID()) | |
77 parent = root_.get(); | |
78 return parent; | |
79 } | |
80 | |
81 bool AXTreeSourceAsh::IsValid(AXAuraObjWrapper* node) const { | |
82 return node && node->GetID() != -1; | |
83 } | |
84 | |
85 bool AXTreeSourceAsh::IsEqual(AXAuraObjWrapper* node1, | |
86 AXAuraObjWrapper* node2) const { | |
87 if (!node1 || !node2) | |
88 return false; | |
89 | |
90 return node1->GetID() == node2->GetID() && node1->GetID() != -1; | |
91 } | |
92 | |
93 AXAuraObjWrapper* AXTreeSourceAsh::GetNull() const { | |
94 return NULL; | |
95 } | |
96 | |
97 void AXTreeSourceAsh::SerializeNode( | |
98 AXAuraObjWrapper* node, ui::AXNodeData* out_data) const { | |
99 node->Serialize(out_data); | |
100 | |
101 if (out_data->role == ui::AX_ROLE_WEB_VIEW) { | |
102 views::View* view = static_cast<views::AXViewObjWrapper*>(node)->view(); | |
103 content::WebContents* contents = | |
104 static_cast<views::WebView*>(view)->GetWebContents(); | |
105 content::RenderFrameHost* rfh = contents->GetMainFrame(); | |
106 if (rfh) { | |
107 int process_id = rfh->GetProcess()->GetID(); | |
108 int routing_id = rfh->GetRoutingID(); | |
109 int ax_tree_id = AXTreeIDRegistry::GetInstance()->GetOrCreateAXTreeID( | |
110 process_id, routing_id); | |
111 out_data->AddIntAttribute(ui::AX_ATTR_CHILD_TREE_ID, ax_tree_id); | |
112 } | |
113 } | |
114 } | |
115 | |
116 std::string AXTreeSourceAsh::ToString( | |
117 AXAuraObjWrapper* root, std::string prefix) { | |
118 ui::AXNodeData data; | |
119 root->Serialize(&data); | |
120 std::string output = prefix + data.ToString() + '\n'; | |
121 | |
122 std::vector<AXAuraObjWrapper*> children; | |
123 root->GetChildren(&children); | |
124 | |
125 prefix += prefix[0]; | |
126 for (size_t i = 0; i < children.size(); ++i) | |
127 output += ToString(children[i], prefix); | |
128 | |
129 return output; | |
130 } | |
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