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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/accessibility_tree_formatter.h" | 5 #include "content/browser/accessibility/accessibility_tree_formatter.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/strings/string_number_conversions.h" | 9 #include "base/strings/string_number_conversions.h" |
10 #include "base/strings/string_util.h" | 10 #include "base/strings/string_util.h" |
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48 } | 48 } |
49 | 49 |
50 scoped_ptr<base::DictionaryValue> | 50 scoped_ptr<base::DictionaryValue> |
51 AccessibilityTreeFormatter::BuildAccessibilityTree() { | 51 AccessibilityTreeFormatter::BuildAccessibilityTree() { |
52 scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue); | 52 scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue); |
53 RecursiveBuildAccessibilityTree(*root_, dict.get()); | 53 RecursiveBuildAccessibilityTree(*root_, dict.get()); |
54 return dict.Pass(); | 54 return dict.Pass(); |
55 } | 55 } |
56 | 56 |
57 void AccessibilityTreeFormatter::FormatAccessibilityTree( | 57 void AccessibilityTreeFormatter::FormatAccessibilityTree( |
58 string16* contents) { | 58 base::string16* contents) { |
59 scoped_ptr<base::DictionaryValue> dict = BuildAccessibilityTree(); | 59 scoped_ptr<base::DictionaryValue> dict = BuildAccessibilityTree(); |
60 RecursiveFormatAccessibilityTree(*(dict.get()), contents); | 60 RecursiveFormatAccessibilityTree(*(dict.get()), contents); |
61 } | 61 } |
62 | 62 |
63 void AccessibilityTreeFormatter::RecursiveBuildAccessibilityTree( | 63 void AccessibilityTreeFormatter::RecursiveBuildAccessibilityTree( |
64 const BrowserAccessibility& node, base::DictionaryValue* dict) { | 64 const BrowserAccessibility& node, base::DictionaryValue* dict) { |
65 AddProperties(node, dict); | 65 AddProperties(node, dict); |
66 | 66 |
67 base::ListValue* children = new base::ListValue; | 67 base::ListValue* children = new base::ListValue; |
68 dict->Set(kChildrenDictAttr, children); | 68 dict->Set(kChildrenDictAttr, children); |
69 | 69 |
70 for (size_t i = 0; i < node.PlatformChildCount(); ++i) { | 70 for (size_t i = 0; i < node.PlatformChildCount(); ++i) { |
71 BrowserAccessibility* child_node = node.children()[i]; | 71 BrowserAccessibility* child_node = node.children()[i]; |
72 base::DictionaryValue* child_dict = new base::DictionaryValue; | 72 base::DictionaryValue* child_dict = new base::DictionaryValue; |
73 children->Append(child_dict); | 73 children->Append(child_dict); |
74 RecursiveBuildAccessibilityTree(*child_node, child_dict); | 74 RecursiveBuildAccessibilityTree(*child_node, child_dict); |
75 } | 75 } |
76 } | 76 } |
77 | 77 |
78 void AccessibilityTreeFormatter::RecursiveFormatAccessibilityTree( | 78 void AccessibilityTreeFormatter::RecursiveFormatAccessibilityTree( |
79 const base::DictionaryValue& dict, string16* contents, int depth) { | 79 const base::DictionaryValue& dict, base::string16* contents, int depth) { |
80 string16 line = ToString(dict, string16(depth * kIndentSpaces, ' ')); | 80 base::string16 line = |
81 if (line.find(ASCIIToUTF16(kSkipString)) != string16::npos) | 81 ToString(dict, base::string16(depth * kIndentSpaces, ' ')); |
| 82 if (line.find(ASCIIToUTF16(kSkipString)) != base::string16::npos) |
82 return; | 83 return; |
83 | 84 |
84 *contents += line; | 85 *contents += line; |
85 const base::ListValue* children; | 86 const base::ListValue* children; |
86 dict.GetList(kChildrenDictAttr, &children); | 87 dict.GetList(kChildrenDictAttr, &children); |
87 const base::DictionaryValue* child_dict; | 88 const base::DictionaryValue* child_dict; |
88 for (size_t i = 0; i < children->GetSize(); i++) { | 89 for (size_t i = 0; i < children->GetSize(); i++) { |
89 children->GetDictionary(i, &child_dict); | 90 children->GetDictionary(i, &child_dict); |
90 RecursiveFormatAccessibilityTree(*child_dict, contents, depth + 1); | 91 RecursiveFormatAccessibilityTree(*child_dict, contents, depth + 1); |
91 } | 92 } |
92 } | 93 } |
93 | 94 |
94 #if (!defined(OS_WIN) && !defined(OS_MACOSX) && !defined(OS_ANDROID) && \ | 95 #if (!defined(OS_WIN) && !defined(OS_MACOSX) && !defined(OS_ANDROID) && \ |
95 !defined(TOOLKIT_GTK)) | 96 !defined(TOOLKIT_GTK)) |
96 void AccessibilityTreeFormatter::AddProperties(const BrowserAccessibility& node, | 97 void AccessibilityTreeFormatter::AddProperties(const BrowserAccessibility& node, |
97 base::DictionaryValue* dict) { | 98 base::DictionaryValue* dict) { |
98 dict->SetInteger("id", node.renderer_id()); | 99 dict->SetInteger("id", node.renderer_id()); |
99 } | 100 } |
100 | 101 |
101 string16 AccessibilityTreeFormatter::ToString(const base::DictionaryValue& node, | 102 base::string16 AccessibilityTreeFormatter::ToString( |
102 const string16& indent) { | 103 const base::DictionaryValue& node, |
| 104 const base::string16& indent) { |
103 int id_value; | 105 int id_value; |
104 node.GetInteger("id", &id_value); | 106 node.GetInteger("id", &id_value); |
105 return indent + base::IntToString16(id_value) + | 107 return indent + base::IntToString16(id_value) + |
106 ASCIIToUTF16("\n"); | 108 ASCIIToUTF16("\n"); |
107 } | 109 } |
108 | 110 |
109 void AccessibilityTreeFormatter::Initialize() {} | 111 void AccessibilityTreeFormatter::Initialize() {} |
110 | 112 |
111 // static | 113 // static |
112 const base::FilePath::StringType | 114 const base::FilePath::StringType |
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135 return std::string(); | 137 return std::string(); |
136 } | 138 } |
137 #endif | 139 #endif |
138 | 140 |
139 void AccessibilityTreeFormatter::SetFilters( | 141 void AccessibilityTreeFormatter::SetFilters( |
140 const std::vector<Filter>& filters) { | 142 const std::vector<Filter>& filters) { |
141 filters_ = filters; | 143 filters_ = filters; |
142 } | 144 } |
143 | 145 |
144 bool AccessibilityTreeFormatter::MatchesFilters( | 146 bool AccessibilityTreeFormatter::MatchesFilters( |
145 const string16& text, bool default_result) const { | 147 const base::string16& text, bool default_result) const { |
146 std::vector<Filter>::const_iterator iter = filters_.begin(); | 148 std::vector<Filter>::const_iterator iter = filters_.begin(); |
147 bool allow = default_result; | 149 bool allow = default_result; |
148 for (iter = filters_.begin(); iter != filters_.end(); ++iter) { | 150 for (iter = filters_.begin(); iter != filters_.end(); ++iter) { |
149 if (MatchPattern(text, iter->match_str)) { | 151 if (MatchPattern(text, iter->match_str)) { |
150 if (iter->type == Filter::ALLOW_EMPTY) | 152 if (iter->type == Filter::ALLOW_EMPTY) |
151 allow = true; | 153 allow = true; |
152 else if (iter->type == Filter::ALLOW) | 154 else if (iter->type == Filter::ALLOW) |
153 allow = (!MatchPattern(text, UTF8ToUTF16("*=''"))); | 155 allow = (!MatchPattern(text, UTF8ToUTF16("*=''"))); |
154 else | 156 else |
155 allow = false; | 157 allow = false; |
156 } | 158 } |
157 } | 159 } |
158 return allow; | 160 return allow; |
159 } | 161 } |
160 | 162 |
161 string16 AccessibilityTreeFormatter::FormatCoordinates( | 163 base::string16 AccessibilityTreeFormatter::FormatCoordinates( |
162 const char* name, const char* x_name, const char* y_name, | 164 const char* name, const char* x_name, const char* y_name, |
163 const base::DictionaryValue& value) { | 165 const base::DictionaryValue& value) { |
164 int x, y; | 166 int x, y; |
165 value.GetInteger(x_name, &x); | 167 value.GetInteger(x_name, &x); |
166 value.GetInteger(y_name, &y); | 168 value.GetInteger(y_name, &y); |
167 std::string xy_str(base::StringPrintf("%s=(%d, %d)", name, x, y)); | 169 std::string xy_str(base::StringPrintf("%s=(%d, %d)", name, x, y)); |
168 | 170 |
169 return UTF8ToUTF16(xy_str); | 171 return UTF8ToUTF16(xy_str); |
170 } | 172 } |
171 | 173 |
172 void AccessibilityTreeFormatter::WriteAttribute( | 174 void AccessibilityTreeFormatter::WriteAttribute( |
173 bool include_by_default, const std::string& attr, string16* line) { | 175 bool include_by_default, const std::string& attr, base::string16* line) { |
174 WriteAttribute(include_by_default, UTF8ToUTF16(attr), line); | 176 WriteAttribute(include_by_default, UTF8ToUTF16(attr), line); |
175 } | 177 } |
176 | 178 |
177 void AccessibilityTreeFormatter::WriteAttribute( | 179 void AccessibilityTreeFormatter::WriteAttribute( |
178 bool include_by_default, const string16& attr, string16* line) { | 180 bool include_by_default, const base::string16& attr, base::string16* line) { |
179 if (attr.empty()) | 181 if (attr.empty()) |
180 return; | 182 return; |
181 if (!MatchesFilters(attr, include_by_default)) | 183 if (!MatchesFilters(attr, include_by_default)) |
182 return; | 184 return; |
183 if (!line->empty()) | 185 if (!line->empty()) |
184 *line += ASCIIToUTF16(" "); | 186 *line += ASCIIToUTF16(" "); |
185 *line += attr; | 187 *line += attr; |
186 } | 188 } |
187 | 189 |
188 } // namespace content | 190 } // namespace content |
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