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.
5 #include "chrome/browser/extensions/api/automation_internal/automation_util.h"
10 #include "base/values.h"
11 #include "chrome/common/extensions/api/automation_internal.h"
12 #include "extensions/browser/event_router.h"
13 #include "ui/accessibility/ax_enums.h"
14 #include "ui/accessibility/ax_node_data.h"
16 namespace extensions {
20 void PopulateNodeData(const ui::AXNodeData& node_data,
21 linked_ptr< api::automation_internal::AXNodeData>& out_node_data) {
22 out_node_data->id = node_data.id;
23 out_node_data->role = ToString(node_data.role);
25 uint32 state_pos = 0, state_shifter = node_data.state;
26 while (state_shifter) {
27 if (state_shifter & 1) {
28 out_node_data->state.additional_properties.SetBoolean(
29 ToString(static_cast<ui::AXState>(state_pos)), true);
31 state_shifter = state_shifter >> 1;
35 out_node_data->location.left = node_data.location.x();
36 out_node_data->location.top = node_data.location.y();
37 out_node_data->location.width = node_data.location.width();
38 out_node_data->location.height = node_data.location.height();
40 if (!node_data.bool_attributes.empty()) {
41 out_node_data->bool_attributes.reset(
42 new api::automation_internal::AXNodeData::BoolAttributes());
43 for (size_t i = 0; i < node_data.bool_attributes.size(); ++i) {
44 std::pair<ui::AXBoolAttribute, bool> attr =
45 node_data.bool_attributes[i];
46 out_node_data->bool_attributes->additional_properties.SetBoolean(
47 ToString(attr.first), attr.second);
51 if (!node_data.float_attributes.empty()) {
52 out_node_data->float_attributes.reset(
53 new api::automation_internal::AXNodeData::FloatAttributes());
54 for (size_t i = 0; i < node_data.float_attributes.size(); ++i) {
55 std::pair<ui::AXFloatAttribute, float> attr =
56 node_data.float_attributes[i];
57 out_node_data->float_attributes->additional_properties.SetDouble(
58 ToString(attr.first), attr.second);
62 if (!node_data.html_attributes.empty()) {
63 out_node_data->html_attributes.reset(
64 new api::automation_internal::AXNodeData::HtmlAttributes());
65 for (size_t i = 0; i < node_data.html_attributes.size(); ++i) {
66 std::pair<std::string, std::string> attr = node_data.html_attributes[i];
67 out_node_data->html_attributes->additional_properties.SetString(
68 attr.first, attr.second);
72 if (!node_data.int_attributes.empty()) {
73 out_node_data->int_attributes.reset(
74 new api::automation_internal::AXNodeData::IntAttributes());
75 for (size_t i = 0; i < node_data.int_attributes.size(); ++i) {
76 std::pair<ui::AXIntAttribute, int> attr = node_data.int_attributes[i];
77 out_node_data->int_attributes->additional_properties.SetInteger(
78 ToString(attr.first), attr.second);
82 if (!node_data.intlist_attributes.empty()) {
83 out_node_data->intlist_attributes.reset(
84 new api::automation_internal::AXNodeData::IntlistAttributes());
85 for (size_t i = 0; i < node_data.intlist_attributes.size(); ++i) {
86 std::pair<ui::AXIntListAttribute, std::vector<int32> > attr =
87 node_data.intlist_attributes[i];
88 base::ListValue* intlist = new base::ListValue();
89 for (size_t j = 0; j < attr.second.size(); ++j)
90 intlist->AppendInteger(attr.second[j]);
91 out_node_data->intlist_attributes->additional_properties.Set(
92 ToString(attr.first), intlist);
96 if (!node_data.string_attributes.empty()) {
97 out_node_data->string_attributes.reset(
98 new api::automation_internal::AXNodeData::StringAttributes());
99 for (size_t i = 0; i < node_data.string_attributes.size(); ++i) {
100 std::pair<ui::AXStringAttribute, std::string> attr =
101 node_data.string_attributes[i];
102 out_node_data->string_attributes->additional_properties.SetString(
103 ToString(attr.first), attr.second);
107 for (size_t i = 0; i < node_data.child_ids.size(); ++i) {
108 out_node_data->child_ids.push_back(node_data.child_ids[i]);
112 void DispatchEventInternal(content::BrowserContext* context,
113 const std::string& event_name,
114 scoped_ptr<base::ListValue> args) {
115 if (context && EventRouter::Get(context)) {
116 scoped_ptr<Event> event(new Event(event_name, args.Pass()));
117 event->restrict_to_browser_context = context;
118 EventRouter::Get(context)->BroadcastEvent(event.Pass());
124 namespace automation_util {
126 void DispatchAccessibilityEventsToAutomation(
127 const std::vector<content::AXEventNotificationDetails>& details,
128 content::BrowserContext* browser_context) {
129 using api::automation_internal::AXEventParams;
131 std::vector<content::AXEventNotificationDetails>::const_iterator iter =
133 for (; iter != details.end(); ++iter) {
134 const content::AXEventNotificationDetails& event = *iter;
136 AXEventParams ax_tree_update;
137 ax_tree_update.process_id = event.process_id;
138 ax_tree_update.routing_id = event.routing_id;
139 ax_tree_update.event_type = ToString(iter->event_type);
140 ax_tree_update.target_id = event.id;
142 for (size_t i = 0; i < event.nodes.size(); ++i) {
143 linked_ptr<api::automation_internal::AXNodeData> out_node(
144 new api::automation_internal::AXNodeData());
145 PopulateNodeData(event.nodes[i], out_node);
146 ax_tree_update.nodes.push_back(out_node);
149 // TODO(dtseng/aboxhall): Why are we sending only one update at a time? We
150 // should match the behavior from renderer -> browser and send a
151 // collection of tree updates over (to the extension); see
152 // |AccessibilityHostMsg_EventParams| and |AccessibilityHostMsg_Events|.
153 DispatchEventInternal(browser_context,
154 api::automation_internal::OnAccessibilityEvent::kEventName,
155 api::automation_internal::OnAccessibilityEvent::Create(ax_tree_update));
159 } // namespace automation_util
161 } // namespace extensions