components/test_runner/web_ax_object_proxy.cc

   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 "components/test_runner/web_ax_object_proxy.h"
   6
   7 #include "base/strings/stringprintf.h"
   8 #include "gin/handle.h"
   9 #include "third_party/WebKit/public/platform/WebPoint.h"
  10 #include "third_party/WebKit/public/platform/WebRect.h"
  11 #include "third_party/WebKit/public/platform/WebString.h"
  12 #include "third_party/WebKit/public/web/WebFrame.h"
  13 #include "third_party/WebKit/public/web/WebKit.h"
  14
  15 namespace test_runner {
  16
  17 namespace {
  18
  19 // Map role value to string, matching Safari/Mac platform implementation to
  20 // avoid rebaselining layout tests.
  21 std::string RoleToString(blink::WebAXRole role)
  22 {
  23   std::string result = "AXRole: AX";
  24   switch (role) {
  25     case blink::WebAXRoleAlertDialog:
  26       return result.append("AlertDialog");
  27     case blink::WebAXRoleAlert:
  28       return result.append("Alert");
  29     case blink::WebAXRoleAnnotation:
  30       return result.append("Annotation");
  31     case blink::WebAXRoleApplication:
  32       return result.append("Application");
  33     case blink::WebAXRoleArticle:
  34       return result.append("Article");
  35     case blink::WebAXRoleBanner:
  36       return result.append("Banner");
  37     case blink::WebAXRoleBlockquote:
  38       return result.append("Blockquote");
  39     case blink::WebAXRoleBusyIndicator:
  40       return result.append("BusyIndicator");
  41     case blink::WebAXRoleButton:
  42       return result.append("Button");
  43     case blink::WebAXRoleCanvas:
  44       return result.append("Canvas");
  45     case blink::WebAXRoleCaption:
  46       return result.append("Caption");
  47     case blink::WebAXRoleCell:
  48       return result.append("Cell");
  49     case blink::WebAXRoleCheckBox:
  50       return result.append("CheckBox");
  51     case blink::WebAXRoleColorWell:
  52       return result.append("ColorWell");
  53     case blink::WebAXRoleColumnHeader:
  54       return result.append("ColumnHeader");
  55     case blink::WebAXRoleColumn:
  56       return result.append("Column");
  57     case blink::WebAXRoleComboBox:
  58       return result.append("ComboBox");
  59     case blink::WebAXRoleComplementary:
  60       return result.append("Complementary");
  61     case blink::WebAXRoleContentInfo:
  62       return result.append("ContentInfo");
  63     case blink::WebAXRoleDate:
  64       return result.append("DateField");
  65     case blink::WebAXRoleDateTime:
  66       return result.append("DateTimeField");
  67     case blink::WebAXRoleDefinition:
  68       return result.append("Definition");
  69     case blink::WebAXRoleDescriptionListDetail:
  70       return result.append("DescriptionListDetail");
  71     case blink::WebAXRoleDescriptionList:
  72       return result.append("DescriptionList");
  73     case blink::WebAXRoleDescriptionListTerm:
  74       return result.append("DescriptionListTerm");
  75     case blink::WebAXRoleDetails:
  76       return result.append("Details");
  77     case blink::WebAXRoleDialog:
  78       return result.append("Dialog");
  79     case blink::WebAXRoleDirectory:
  80       return result.append("Directory");
  81     case blink::WebAXRoleDisclosureTriangle:
  82       return result.append("DisclosureTriangle");
  83     case blink::WebAXRoleDiv:
  84       return result.append("Div");
  85     case blink::WebAXRoleDocument:
  86       return result.append("Document");
  87     case blink::WebAXRoleEmbeddedObject:
  88       return result.append("EmbeddedObject");
  89     case blink::WebAXRoleFigcaption:
  90       return result.append("Figcaption");
  91     case blink::WebAXRoleFigure:
  92       return result.append("Figure");
  93     case blink::WebAXRoleFooter:
  94       return result.append("Footer");
  95     case blink::WebAXRoleForm:
  96       return result.append("Form");
  97     case blink::WebAXRoleGrid:
  98       return result.append("Grid");
  99     case blink::WebAXRoleGroup:
 100       return result.append("Group");
 101     case blink::WebAXRoleHeading:
 102       return result.append("Heading");
 103     case blink::WebAXRoleIgnored:
 104       return result.append("Ignored");
 105     case blink::WebAXRoleImageMapLink:
 106       return result.append("ImageMapLink");
 107     case blink::WebAXRoleImageMap:
 108       return result.append("ImageMap");
 109     case blink::WebAXRoleImage:
 110       return result.append("Image");
 111     case blink::WebAXRoleInlineTextBox:
 112       return result.append("InlineTextBox");
 113     case blink::WebAXRoleInputTime:
 114       return result.append("InputTime");
 115     case blink::WebAXRoleLabel:
 116       return result.append("Label");
 117     case blink::WebAXRoleLegend:
 118       return result.append("Legend");
 119     case blink::WebAXRoleLink:
 120       return result.append("Link");
 121     case blink::WebAXRoleListBoxOption:
 122       return result.append("ListBoxOption");
 123     case blink::WebAXRoleListBox:
 124       return result.append("ListBox");
 125     case blink::WebAXRoleListItem:
 126       return result.append("ListItem");
 127     case blink::WebAXRoleListMarker:
 128       return result.append("ListMarker");
 129     case blink::WebAXRoleList:
 130       return result.append("List");
 131     case blink::WebAXRoleLog:
 132       return result.append("Log");
 133     case blink::WebAXRoleMain:
 134       return result.append("Main");
 135     case blink::WebAXRoleMark:
 136       return result.append("Mark");
 137     case blink::WebAXRoleMarquee:
 138       return result.append("Marquee");
 139     case blink::WebAXRoleMath:
 140       return result.append("Math");
 141     case blink::WebAXRoleMenuBar:
 142       return result.append("MenuBar");
 143     case blink::WebAXRoleMenuButton:
 144       return result.append("MenuButton");
 145     case blink::WebAXRoleMenuItem:
 146       return result.append("MenuItem");
 147     case blink::WebAXRoleMenuItemCheckBox:
 148       return result.append("MenuItemCheckBox");
 149     case blink::WebAXRoleMenuItemRadio:
 150       return result.append("MenuItemRadio");
 151     case blink::WebAXRoleMenuListOption:
 152       return result.append("MenuListOption");
 153     case blink::WebAXRoleMenuListPopup:
 154       return result.append("MenuListPopup");
 155     case blink::WebAXRoleMenu:
 156       return result.append("Menu");
 157     case blink::WebAXRoleMeter:
 158       return result.append("Meter");
 159     case blink::WebAXRoleNavigation:
 160       return result.append("Navigation");
 161     case blink::WebAXRoleNone:
 162       return result.append("None");
 163     case blink::WebAXRoleNote:
 164       return result.append("Note");
 165     case blink::WebAXRoleOutline:
 166       return result.append("Outline");
 167     case blink::WebAXRoleParagraph:
 168       return result.append("Paragraph");
 169     case blink::WebAXRolePopUpButton:
 170       return result.append("PopUpButton");
 171     case blink::WebAXRolePre:
 172       return result.append("Pre");
 173     case blink::WebAXRolePresentational:
 174       return result.append("Presentational");
 175     case blink::WebAXRoleProgressIndicator:
 176       return result.append("ProgressIndicator");
 177     case blink::WebAXRoleRadioButton:
 178       return result.append("RadioButton");
 179     case blink::WebAXRoleRadioGroup:
 180       return result.append("RadioGroup");
 181     case blink::WebAXRoleRegion:
 182       return result.append("Region");
 183     case blink::WebAXRoleRootWebArea:
 184       return result.append("RootWebArea");
 185     case blink::WebAXRoleRowHeader:
 186       return result.append("RowHeader");
 187     case blink::WebAXRoleRow:
 188       return result.append("Row");
 189     case blink::WebAXRoleRuby:
 190       return result.append("Ruby");
 191     case blink::WebAXRoleRuler:
 192       return result.append("Ruler");
 193     case blink::WebAXRoleSVGRoot:
 194       return result.append("SVGRoot");
 195     case blink::WebAXRoleScrollArea:
 196       return result.append("ScrollArea");
 197     case blink::WebAXRoleScrollBar:
 198       return result.append("ScrollBar");
 199     case blink::WebAXRoleSeamlessWebArea:
 200       return result.append("SeamlessWebArea");
 201     case blink::WebAXRoleSearch:
 202       return result.append("Search");
 203     case blink::WebAXRoleSearchBox:
 204       return result.append("SearchBox");
 205     case blink::WebAXRoleSlider:
 206       return result.append("Slider");
 207     case blink::WebAXRoleSliderThumb:
 208       return result.append("SliderThumb");
 209     case blink::WebAXRoleSpinButtonPart:
 210       return result.append("SpinButtonPart");
 211     case blink::WebAXRoleSpinButton:
 212       return result.append("SpinButton");
 213     case blink::WebAXRoleSplitter:
 214       return result.append("Splitter");
 215     case blink::WebAXRoleStaticText:
 216       return result.append("StaticText");
 217     case blink::WebAXRoleStatus:
 218       return result.append("Status");
 219     case blink::WebAXRoleSwitch:
 220       return result.append("Switch");
 221     case blink::WebAXRoleTabGroup:
 222       return result.append("TabGroup");
 223     case blink::WebAXRoleTabList:
 224       return result.append("TabList");
 225     case blink::WebAXRoleTabPanel:
 226       return result.append("TabPanel");
 227     case blink::WebAXRoleTab:
 228       return result.append("Tab");
 229     case blink::WebAXRoleTableHeaderContainer:
 230       return result.append("TableHeaderContainer");
 231     case blink::WebAXRoleTable:
 232       return result.append("Table");
 233     case blink::WebAXRoleTextField:
 234       return result.append("TextField");
 235     case blink::WebAXRoleTime:
 236       return result.append("Time");
 237     case blink::WebAXRoleTimer:
 238       return result.append("Timer");
 239     case blink::WebAXRoleToggleButton:
 240       return result.append("ToggleButton");
 241     case blink::WebAXRoleToolbar:
 242       return result.append("Toolbar");
 243     case blink::WebAXRoleTreeGrid:
 244       return result.append("TreeGrid");
 245     case blink::WebAXRoleTreeItem:
 246       return result.append("TreeItem");
 247     case blink::WebAXRoleTree:
 248       return result.append("Tree");
 249     case blink::WebAXRoleUnknown:
 250       return result.append("Unknown");
 251     case blink::WebAXRoleUserInterfaceTooltip:
 252       return result.append("UserInterfaceTooltip");
 253     case blink::WebAXRoleWebArea:
 254       return result.append("WebArea");
 255     case blink::WebAXRoleWindow:
 256       return result.append("Window");
 257     default:
 258       return result.append("Unknown");
 259   }
 260 }
 261
 262 std::string DeprecatedGetDescription(const blink::WebAXObject& object) {
 263   std::string description = object.deprecatedAccessibilityDescription().utf8();
 264   return description.insert(0, "AXDescription: ");
 265 }
 266
 267 std::string DeprecatedGetHelpText(const blink::WebAXObject& object) {
 268   std::string help_text = object.deprecatedHelpText().utf8();
 269   return help_text.insert(0, "AXHelp: ");
 270 }
 271
 272 std::string GetStringValue(const blink::WebAXObject& object) {
 273   std::string value;
 274   if (object.role() == blink::WebAXRoleColorWell) {
 275     unsigned int color = object.colorValue();
 276     unsigned int red = (color >> 16) & 0xFF;
 277     unsigned int green = (color >> 8) & 0xFF;
 278     unsigned int blue = color & 0xFF;
 279     value = base::StringPrintf("rgba(%d, %d, %d, 1)",
 280                                red, green, blue);
 281   } else {
 282     value = object.stringValue().utf8();
 283   }
 284   return value.insert(0, "AXValue: ");
 285 }
 286
 287 std::string GetRole(const blink::WebAXObject& object) {
 288   std::string role_string = RoleToString(object.role());
 289
 290   // Special-case canvas with fallback content because Chromium wants to treat
 291   // this as essentially a separate role that it can map differently depending
 292   // on the platform.
 293   if (object.role() == blink::WebAXRoleCanvas &&
 294       object.canvasHasFallbackContent()) {
 295     role_string += "WithFallbackContent";
 296   }
 297
 298   return role_string;
 299 }
 300
 301 std::string DeprecatedGetTitle(const blink::WebAXObject& object) {
 302   std::string title = object.deprecatedTitle().utf8();
 303   return title.insert(0, "AXTitle: ");
 304 }
 305
 306 std::string GetValueDescription(const blink::WebAXObject& object) {
 307   std::string value_description = object.valueDescription().utf8();
 308   return value_description.insert(0, "AXValueDescription: ");
 309 }
 310
 311 std::string GetLanguage(const blink::WebAXObject& object) {
 312   std::string language = object.language().utf8();
 313   return language.insert(0, "AXLanguage: ");
 314 }
 315
 316 std::string GetAttributes(const blink::WebAXObject& object) {
 317   // FIXME: Concatenate all attributes of the AXObject.
 318   std::string attributes(DeprecatedGetTitle(object));
 319   attributes.append("\n");
 320   attributes.append(GetRole(object));
 321   attributes.append("\n");
 322   attributes.append(DeprecatedGetDescription(object));
 323   return attributes;
 324 }
 325
 326 blink::WebRect BoundsForCharacter(const blink::WebAXObject& object,
 327                                   int characterIndex) {
 328   DCHECK_EQ(object.role(), blink::WebAXRoleStaticText);
 329   int end = 0;
 330   for (unsigned i = 0; i < object.childCount(); i++) {
 331     blink::WebAXObject inline_text_box = object.childAt(i);
 332     DCHECK_EQ(inline_text_box.role(), blink::WebAXRoleInlineTextBox);
 333     int start = end;
 334     end += inline_text_box.stringValue().length();
 335     if (characterIndex < start || characterIndex >= end)
 336       continue;
 337     blink::WebRect inline_text_box_rect = inline_text_box.boundingBoxRect();
 338     int localIndex = characterIndex - start;
 339     blink::WebVector<int> character_offsets;
 340     inline_text_box.characterOffsets(character_offsets);
 341     DCHECK(character_offsets.size() > 0 &&
 342            character_offsets.size() == inline_text_box.stringValue().length());
 343     switch (inline_text_box.textDirection()) {
 344       case blink::WebAXTextDirectionLR: {
 345         if (localIndex) {
 346           int left = inline_text_box_rect.x + character_offsets[localIndex - 1];
 347           int width = character_offsets[localIndex] -
 348               character_offsets[localIndex - 1];
 349           return blink::WebRect(left, inline_text_box_rect.y,
 350                                 width, inline_text_box_rect.height);
 351         }
 352         return blink::WebRect(
 353             inline_text_box_rect.x, inline_text_box_rect.y,
 354             character_offsets[0], inline_text_box_rect.height);
 355       }
 356       case blink::WebAXTextDirectionRL: {
 357         int right = inline_text_box_rect.x + inline_text_box_rect.width;
 358
 359         if (localIndex) {
 360           int left = right - character_offsets[localIndex];
 361           int width = character_offsets[localIndex] -
 362               character_offsets[localIndex - 1];
 363           return blink::WebRect(left, inline_text_box_rect.y,
 364                                 width, inline_text_box_rect.height);
 365         }
 366         int left = right - character_offsets[0];
 367         return blink::WebRect(
 368             left, inline_text_box_rect.y,
 369             character_offsets[0], inline_text_box_rect.height);
 370       }
 371       case blink::WebAXTextDirectionTB: {
 372         if (localIndex) {
 373           int top = inline_text_box_rect.y + character_offsets[localIndex - 1];
 374           int height = character_offsets[localIndex] -
 375               character_offsets[localIndex - 1];
 376           return blink::WebRect(inline_text_box_rect.x, top,
 377                                 inline_text_box_rect.width, height);
 378         }
 379         return blink::WebRect(inline_text_box_rect.x, inline_text_box_rect.y,
 380                               inline_text_box_rect.width, character_offsets[0]);
 381       }
 382       case blink::WebAXTextDirectionBT: {
 383         int bottom = inline_text_box_rect.y + inline_text_box_rect.height;
 384
 385         if (localIndex) {
 386           int top = bottom - character_offsets[localIndex];
 387           int height = character_offsets[localIndex] -
 388               character_offsets[localIndex - 1];
 389           return blink::WebRect(inline_text_box_rect.x, top,
 390                                 inline_text_box_rect.width, height);
 391         }
 392         int top = bottom - character_offsets[0];
 393         return blink::WebRect(inline_text_box_rect.x, top,
 394                               inline_text_box_rect.width, character_offsets[0]);
 395       }
 396     }
 397   }
 398
 399   DCHECK(false);
 400   return blink::WebRect();
 401 }
 402
 403 void GetBoundariesForOneWord(const blink::WebAXObject& object,
 404                              int character_index,
 405                              int& word_start,
 406                              int& word_end) {
 407   int end = 0;
 408   for (unsigned i = 0; i < object.childCount(); i++) {
 409     blink::WebAXObject inline_text_box = object.childAt(i);
 410     DCHECK_EQ(inline_text_box.role(), blink::WebAXRoleInlineTextBox);
 411     int start = end;
 412     end += inline_text_box.stringValue().length();
 413     if (end <= character_index)
 414       continue;
 415     int localIndex = character_index - start;
 416
 417     blink::WebVector<int> starts;
 418     blink::WebVector<int> ends;
 419     inline_text_box.wordBoundaries(starts, ends);
 420     size_t word_count = starts.size();
 421     DCHECK_EQ(ends.size(), word_count);
 422
 423     // If there are no words, use the InlineTextBox boundaries.
 424     if (!word_count) {
 425       word_start = start;
 426       word_end = end;
 427       return;
 428     }
 429
 430     // Look for a character within any word other than the last.
 431     for (size_t j = 0; j < word_count - 1; j++) {
 432       if (localIndex <= ends[j]) {
 433         word_start = start + starts[j];
 434         word_end = start + ends[j];
 435         return;
 436       }
 437     }
 438
 439     // Return the last word by default.
 440     word_start = start + starts[word_count - 1];
 441     word_end = start + ends[word_count - 1];
 442     return;
 443   }
 444 }
 445
 446 // Collects attributes into a string, delimited by dashes. Used by all methods
 447 // that output lists of attributes: attributesOfLinkedUIElementsCallback,
 448 // AttributesOfChildrenCallback, etc.
 449 class AttributesCollector {
 450  public:
 451   AttributesCollector() {}
 452   ~AttributesCollector() {}
 453
 454   void CollectAttributes(const blink::WebAXObject& object) {
 455     attributes_.append("\n------------\n");
 456     attributes_.append(GetAttributes(object));
 457   }
 458
 459   std::string attributes() const { return attributes_; }
 460
 461  private:
 462   std::string attributes_;
 463
 464   DISALLOW_COPY_AND_ASSIGN(AttributesCollector);
 465 };
 466
 467 }  // namespace
 468
 469 gin::WrapperInfo WebAXObjectProxy::kWrapperInfo = {
 470     gin::kEmbedderNativeGin};
 471
 472 WebAXObjectProxy::WebAXObjectProxy(const blink::WebAXObject& object,
 473                                    WebAXObjectProxy::Factory* factory)
 474     : accessibility_object_(object),
 475       factory_(factory) {
 476 }
 477
 478 WebAXObjectProxy::~WebAXObjectProxy() {}
 479
 480 gin::ObjectTemplateBuilder
 481 WebAXObjectProxy::GetObjectTemplateBuilder(v8::Isolate* isolate) {
 482   return gin::Wrappable<WebAXObjectProxy>::GetObjectTemplateBuilder(isolate)
 483       .SetProperty("role", &WebAXObjectProxy::Role)
 484       .SetProperty("stringValue", &WebAXObjectProxy::StringValue)
 485       .SetProperty("language", &WebAXObjectProxy::Language)
 486       .SetProperty("x", &WebAXObjectProxy::X)
 487       .SetProperty("y", &WebAXObjectProxy::Y)
 488       .SetProperty("width", &WebAXObjectProxy::Width)
 489       .SetProperty("height", &WebAXObjectProxy::Height)
 490       .SetProperty("intValue", &WebAXObjectProxy::IntValue)
 491       .SetProperty("minValue", &WebAXObjectProxy::MinValue)
 492       .SetProperty("maxValue", &WebAXObjectProxy::MaxValue)
 493       .SetProperty("valueDescription", &WebAXObjectProxy::ValueDescription)
 494       .SetProperty("childrenCount", &WebAXObjectProxy::ChildrenCount)
 495       .SetProperty("selectionAnchorObject",
 496                    &WebAXObjectProxy::SelectionAnchorObject)
 497       .SetProperty("selectionAnchorOffset",
 498                    &WebAXObjectProxy::SelectionAnchorOffset)
 499       .SetProperty("selectionFocusObject",
 500                    &WebAXObjectProxy::SelectionFocusObject)
 501       .SetProperty("selectionFocusOffset",
 502                    &WebAXObjectProxy::SelectionFocusOffset)
 503       .SetProperty("selectionStart", &WebAXObjectProxy::SelectionStart)
 504       .SetProperty("selectionEnd", &WebAXObjectProxy::SelectionEnd)
 505       .SetProperty("selectionStartLineNumber",
 506                    &WebAXObjectProxy::SelectionStartLineNumber)
 507       .SetProperty("selectionEndLineNumber",
 508                    &WebAXObjectProxy::SelectionEndLineNumber)
 509       .SetProperty("isEnabled", &WebAXObjectProxy::IsEnabled)
 510       .SetProperty("isRequired", &WebAXObjectProxy::IsRequired)
 511       .SetProperty("isEditable", &WebAXObjectProxy::IsEditable)
 512       .SetProperty("isRichlyEditable", &WebAXObjectProxy::IsRichlyEditable)
 513       .SetProperty("isFocused", &WebAXObjectProxy::IsFocused)
 514       .SetProperty("isFocusable", &WebAXObjectProxy::IsFocusable)
 515       .SetProperty("isSelected", &WebAXObjectProxy::IsSelected)
 516       .SetProperty("isSelectable", &WebAXObjectProxy::IsSelectable)
 517       .SetProperty("isMultiSelectable", &WebAXObjectProxy::IsMultiSelectable)
 518       .SetProperty("isSelectedOptionActive",
 519                    &WebAXObjectProxy::IsSelectedOptionActive)
 520       .SetProperty("isExpanded", &WebAXObjectProxy::IsExpanded)
 521       .SetProperty("isChecked", &WebAXObjectProxy::IsChecked)
 522       .SetProperty("isVisible", &WebAXObjectProxy::IsVisible)
 523       .SetProperty("isOffScreen", &WebAXObjectProxy::IsOffScreen)
 524       .SetProperty("isCollapsed", &WebAXObjectProxy::IsCollapsed)
 525       .SetProperty("hasPopup", &WebAXObjectProxy::HasPopup)
 526       .SetProperty("isValid", &WebAXObjectProxy::IsValid)
 527       .SetProperty("isReadOnly", &WebAXObjectProxy::IsReadOnly)
 528       .SetProperty("backgroundColor", &WebAXObjectProxy::BackgroundColor)
 529       .SetProperty("color", &WebAXObjectProxy::Color)
 530       .SetProperty("colorValue", &WebAXObjectProxy::ColorValue)
 531       .SetProperty("fontSize", &WebAXObjectProxy::FontSize)
 532       .SetProperty("orientation", &WebAXObjectProxy::Orientation)
 533       .SetProperty("posInSet", &WebAXObjectProxy::PosInSet)
 534       .SetProperty("setSize", &WebAXObjectProxy::SetSize)
 535       .SetProperty("clickPointX", &WebAXObjectProxy::ClickPointX)
 536       .SetProperty("clickPointY", &WebAXObjectProxy::ClickPointY)
 537       .SetProperty("rowCount", &WebAXObjectProxy::RowCount)
 538       .SetProperty("rowHeadersCount", &WebAXObjectProxy::RowHeadersCount)
 539       .SetProperty("columnCount", &WebAXObjectProxy::ColumnCount)
 540       .SetProperty("columnHeadersCount", &WebAXObjectProxy::ColumnHeadersCount)
 541       .SetProperty("isClickable", &WebAXObjectProxy::IsClickable)
 542       .SetProperty("isButtonStateMixed", &WebAXObjectProxy::IsButtonStateMixed)
 543       .SetMethod("allAttributes", &WebAXObjectProxy::AllAttributes)
 544       .SetMethod("attributesOfChildren",
 545                  &WebAXObjectProxy::AttributesOfChildren)
 546       .SetMethod("ariaControlsElementAtIndex",
 547                  &WebAXObjectProxy::AriaControlsElementAtIndex)
 548       .SetMethod("ariaFlowToElementAtIndex",
 549                  &WebAXObjectProxy::AriaFlowToElementAtIndex)
 550       .SetMethod("ariaOwnsElementAtIndex",
 551                  &WebAXObjectProxy::AriaOwnsElementAtIndex)
 552       .SetMethod("lineForIndex", &WebAXObjectProxy::LineForIndex)
 553       .SetMethod("boundsForRange", &WebAXObjectProxy::BoundsForRange)
 554       .SetMethod("childAtIndex", &WebAXObjectProxy::ChildAtIndex)
 555       .SetMethod("elementAtPoint", &WebAXObjectProxy::ElementAtPoint)
 556       .SetMethod("tableHeader", &WebAXObjectProxy::TableHeader)
 557       .SetMethod("rowHeaderAtIndex", &WebAXObjectProxy::RowHeaderAtIndex)
 558       .SetMethod("columnHeaderAtIndex", &WebAXObjectProxy::ColumnHeaderAtIndex)
 559       .SetMethod("rowIndexRange", &WebAXObjectProxy::RowIndexRange)
 560       .SetMethod("columnIndexRange", &WebAXObjectProxy::ColumnIndexRange)
 561       .SetMethod("cellForColumnAndRow", &WebAXObjectProxy::CellForColumnAndRow)
 562       .SetMethod("setSelectedTextRange",
 563                  &WebAXObjectProxy::SetSelectedTextRange)
 564       .SetMethod("setSelection",
 565                  &WebAXObjectProxy::SetSelection)
 566       .SetMethod("isAttributeSettable", &WebAXObjectProxy::IsAttributeSettable)
 567       .SetMethod("isPressActionSupported",
 568                  &WebAXObjectProxy::IsPressActionSupported)
 569       .SetMethod("isIncrementActionSupported",
 570                  &WebAXObjectProxy::IsIncrementActionSupported)
 571       .SetMethod("isDecrementActionSupported",
 572                  &WebAXObjectProxy::IsDecrementActionSupported)
 573       .SetMethod("parentElement", &WebAXObjectProxy::ParentElement)
 574       .SetMethod("increment", &WebAXObjectProxy::Increment)
 575       .SetMethod("decrement", &WebAXObjectProxy::Decrement)
 576       .SetMethod("showMenu", &WebAXObjectProxy::ShowMenu)
 577       .SetMethod("press", &WebAXObjectProxy::Press)
 578       .SetMethod("setValue", &WebAXObjectProxy::SetValue)
 579       .SetMethod("isEqual", &WebAXObjectProxy::IsEqual)
 580       .SetMethod("setNotificationListener",
 581                  &WebAXObjectProxy::SetNotificationListener)
 582       .SetMethod("unsetNotificationListener",
 583                  &WebAXObjectProxy::UnsetNotificationListener)
 584       .SetMethod("takeFocus", &WebAXObjectProxy::TakeFocus)
 585       .SetMethod("scrollToMakeVisible", &WebAXObjectProxy::ScrollToMakeVisible)
 586       .SetMethod("scrollToMakeVisibleWithSubFocus",
 587                  &WebAXObjectProxy::ScrollToMakeVisibleWithSubFocus)
 588       .SetMethod("scrollToGlobalPoint", &WebAXObjectProxy::ScrollToGlobalPoint)
 589       .SetMethod("wordStart", &WebAXObjectProxy::WordStart)
 590       .SetMethod("wordEnd", &WebAXObjectProxy::WordEnd)
 591       .SetMethod("nextOnLine", &WebAXObjectProxy::NextOnLine)
 592       .SetMethod("previousOnLine", &WebAXObjectProxy::PreviousOnLine)
 593       // TODO(hajimehoshi): This is for backward compatibility. Remove them.
 594       .SetMethod("addNotificationListener",
 595                  &WebAXObjectProxy::SetNotificationListener)
 596       .SetMethod("removeNotificationListener",
 597                  &WebAXObjectProxy::UnsetNotificationListener)
 598       //
 599       // DEPRECATED accessible name and description accessors
 600       //
 601       .SetProperty("title", &WebAXObjectProxy::DeprecatedTitle)
 602       .SetProperty("description", &WebAXObjectProxy::DeprecatedDescription)
 603       .SetProperty("helpText", &WebAXObjectProxy::DeprecatedHelpText)
 604       .SetMethod("titleUIElement", &WebAXObjectProxy::DeprecatedTitleUIElement)
 605       .SetProperty("deprecatedTitle",
 606                    &WebAXObjectProxy::DeprecatedTitle)
 607       .SetProperty("deprecatedDescription",
 608                    &WebAXObjectProxy::DeprecatedDescription)
 609       .SetProperty("deprecatedHelpText",
 610                    &WebAXObjectProxy::DeprecatedHelpText)
 611       .SetMethod("deprecatedTitleUIElement",
 612                  &WebAXObjectProxy::DeprecatedTitleUIElement)
 613       //
 614       // NEW accessible name and description accessors
 615       //
 616       .SetProperty("name", &WebAXObjectProxy::Name)
 617       .SetProperty("nameFrom", &WebAXObjectProxy::NameFrom)
 618       .SetMethod("nameElementCount", &WebAXObjectProxy::NameElementCount)
 619       .SetMethod("nameElementAtIndex", &WebAXObjectProxy::NameElementAtIndex);
 620       // TODO(dmazzoni): add "description", etc. once LayoutTests have
 621       // been updated to call deprecatedDescription instead.
 622
 623 }
 624
 625 v8::Local<v8::Object> WebAXObjectProxy::GetChildAtIndex(unsigned index) {
 626   return factory_->GetOrCreate(accessibility_object_.childAt(index));
 627 }
 628
 629 bool WebAXObjectProxy::IsRoot() const {
 630   return false;
 631 }
 632
 633 bool WebAXObjectProxy::IsEqualToObject(const blink::WebAXObject& other) {
 634   return accessibility_object_.equals(other);
 635 }
 636
 637 void WebAXObjectProxy::NotificationReceived(
 638     blink::WebFrame* frame,
 639     const std::string& notification_name) {
 640   if (notification_callback_.IsEmpty())
 641     return;
 642
 643   v8::Local<v8::Context> context = frame->mainWorldScriptContext();
 644   if (context.IsEmpty())
 645     return;
 646
 647   v8::Isolate* isolate = blink::mainThreadIsolate();
 648
 649   v8::Local<v8::Value> argv[] = {
 650     v8::String::NewFromUtf8(isolate, notification_name.data(),
 651                             v8::String::kNormalString,
 652                             notification_name.size()),
 653   };
 654   frame->callFunctionEvenIfScriptDisabled(
 655       v8::Local<v8::Function>::New(isolate, notification_callback_),
 656       context->Global(),
 657       arraysize(argv),
 658       argv);
 659 }
 660
 661 void WebAXObjectProxy::Reset()  {
 662   notification_callback_.Reset();
 663 }
 664
 665 std::string WebAXObjectProxy::Role() {
 666   accessibility_object_.updateLayoutAndCheckValidity();
 667   return GetRole(accessibility_object_);
 668 }
 669
 670 std::string WebAXObjectProxy::DeprecatedTitle() {
 671   accessibility_object_.updateLayoutAndCheckValidity();
 672   return DeprecatedGetTitle(accessibility_object_);
 673 }
 674
 675 std::string WebAXObjectProxy::DeprecatedDescription() {
 676   accessibility_object_.updateLayoutAndCheckValidity();
 677   return DeprecatedGetDescription(accessibility_object_);
 678 }
 679
 680 std::string WebAXObjectProxy::DeprecatedHelpText() {
 681   accessibility_object_.updateLayoutAndCheckValidity();
 682   return DeprecatedGetHelpText(accessibility_object_);
 683 }
 684
 685 std::string WebAXObjectProxy::StringValue() {
 686   accessibility_object_.updateLayoutAndCheckValidity();
 687   return GetStringValue(accessibility_object_);
 688 }
 689
 690 std::string WebAXObjectProxy::Language() {
 691   accessibility_object_.updateLayoutAndCheckValidity();
 692   return GetLanguage(accessibility_object_);
 693 }
 694
 695 int WebAXObjectProxy::X() {
 696   accessibility_object_.updateLayoutAndCheckValidity();
 697   return accessibility_object_.boundingBoxRect().x;
 698 }
 699
 700 int WebAXObjectProxy::Y() {
 701   accessibility_object_.updateLayoutAndCheckValidity();
 702   return accessibility_object_.boundingBoxRect().y;
 703 }
 704
 705 int WebAXObjectProxy::Width() {
 706   accessibility_object_.updateLayoutAndCheckValidity();
 707   return accessibility_object_.boundingBoxRect().width;
 708 }
 709
 710 int WebAXObjectProxy::Height() {
 711   accessibility_object_.updateLayoutAndCheckValidity();
 712   return accessibility_object_.boundingBoxRect().height;
 713 }
 714
 715 int WebAXObjectProxy::IntValue() {
 716   accessibility_object_.updateLayoutAndCheckValidity();
 717   if (accessibility_object_.supportsRangeValue())
 718     return accessibility_object_.valueForRange();
 719   else if (accessibility_object_.role() == blink::WebAXRoleHeading)
 720     return accessibility_object_.headingLevel();
 721   else
 722     return atoi(accessibility_object_.stringValue().utf8().data());
 723 }
 724
 725 int WebAXObjectProxy::MinValue() {
 726   accessibility_object_.updateLayoutAndCheckValidity();
 727   return accessibility_object_.minValueForRange();
 728 }
 729
 730 int WebAXObjectProxy::MaxValue() {
 731   accessibility_object_.updateLayoutAndCheckValidity();
 732   return accessibility_object_.maxValueForRange();
 733 }
 734
 735 std::string WebAXObjectProxy::ValueDescription() {
 736   accessibility_object_.updateLayoutAndCheckValidity();
 737   return GetValueDescription(accessibility_object_);
 738 }
 739
 740 int WebAXObjectProxy::ChildrenCount() {
 741   accessibility_object_.updateLayoutAndCheckValidity();
 742   int count = 1; // Root object always has only one child, the WebView.
 743   if (!IsRoot())
 744     count = accessibility_object_.childCount();
 745   return count;
 746 }
 747
 748 v8::Local<v8::Value> WebAXObjectProxy::SelectionAnchorObject() {
 749   accessibility_object_.updateLayoutAndCheckValidity();
 750
 751   blink::WebAXObject anchorObject;
 752   int anchorOffset = -1;
 753   blink::WebAXObject focusObject;
 754   int focusOffset = -1;
 755   accessibility_object_.selection(anchorObject, anchorOffset,
 756                                   focusObject, focusOffset);
 757   if (anchorObject.isNull())
 758     return v8::Null(blink::mainThreadIsolate());
 759
 760   return factory_->GetOrCreate(anchorObject);
 761 }
 762
 763 int WebAXObjectProxy::SelectionAnchorOffset() {
 764   accessibility_object_.updateLayoutAndCheckValidity();
 765
 766   blink::WebAXObject anchorObject;
 767   int anchorOffset = -1;
 768   blink::WebAXObject focusObject;
 769   int focusOffset = -1;
 770   accessibility_object_.selection(anchorObject, anchorOffset,
 771                                   focusObject, focusOffset);
 772   if (anchorOffset < 0)
 773     return -1;
 774
 775   return anchorOffset;
 776 }
 777
 778 v8::Local<v8::Value> WebAXObjectProxy::SelectionFocusObject() {
 779   accessibility_object_.updateLayoutAndCheckValidity();
 780
 781   blink::WebAXObject anchorObject;
 782   int anchorOffset = -1;
 783   blink::WebAXObject focusObject;
 784   int focusOffset = -1;
 785   accessibility_object_.selection(anchorObject, anchorOffset,
 786                                   focusObject, focusOffset);
 787   if (focusObject.isNull())
 788     return v8::Null(blink::mainThreadIsolate());
 789
 790   return factory_->GetOrCreate(focusObject);
 791 }
 792
 793 int WebAXObjectProxy::SelectionFocusOffset() {
 794   accessibility_object_.updateLayoutAndCheckValidity();
 795
 796   blink::WebAXObject anchorObject;
 797   int anchorOffset = -1;
 798   blink::WebAXObject focusObject;
 799   int focusOffset = -1;
 800   accessibility_object_.selection(anchorObject, anchorOffset,
 801                                   focusObject, focusOffset);
 802   if (focusOffset < 0)
 803     return -1;
 804
 805   return focusOffset;
 806 }
 807
 808 int WebAXObjectProxy::SelectionStart() {
 809   accessibility_object_.updateLayoutAndCheckValidity();
 810   return accessibility_object_.selectionStart();
 811 }
 812
 813 int WebAXObjectProxy::SelectionEnd() {
 814   accessibility_object_.updateLayoutAndCheckValidity();
 815   return accessibility_object_.selectionEnd();
 816 }
 817
 818 int WebAXObjectProxy::SelectionStartLineNumber() {
 819   accessibility_object_.updateLayoutAndCheckValidity();
 820   return accessibility_object_.selectionStartLineNumber();
 821 }
 822
 823 int WebAXObjectProxy::SelectionEndLineNumber() {
 824   accessibility_object_.updateLayoutAndCheckValidity();
 825   return accessibility_object_.selectionEndLineNumber();
 826 }
 827
 828 bool WebAXObjectProxy::IsEnabled() {
 829   accessibility_object_.updateLayoutAndCheckValidity();
 830   return accessibility_object_.isEnabled();
 831 }
 832
 833 bool WebAXObjectProxy::IsRequired() {
 834   accessibility_object_.updateLayoutAndCheckValidity();
 835   return accessibility_object_.isRequired();
 836 }
 837
 838 bool WebAXObjectProxy::IsEditable() {
 839   accessibility_object_.updateLayoutAndCheckValidity();
 840   return accessibility_object_.isEditable();
 841 }
 842
 843 bool WebAXObjectProxy::IsRichlyEditable() {
 844   accessibility_object_.updateLayoutAndCheckValidity();
 845   return accessibility_object_.isRichlyEditable();
 846 }
 847
 848 bool WebAXObjectProxy::IsFocused() {
 849   accessibility_object_.updateLayoutAndCheckValidity();
 850   return accessibility_object_.isFocused();
 851 }
 852
 853 bool WebAXObjectProxy::IsFocusable() {
 854   accessibility_object_.updateLayoutAndCheckValidity();
 855   return accessibility_object_.canSetFocusAttribute();
 856 }
 857
 858 bool WebAXObjectProxy::IsSelected() {
 859   accessibility_object_.updateLayoutAndCheckValidity();
 860   return accessibility_object_.isSelected();
 861 }
 862
 863 bool WebAXObjectProxy::IsSelectable() {
 864   accessibility_object_.updateLayoutAndCheckValidity();
 865   return accessibility_object_.canSetSelectedAttribute();
 866 }
 867
 868 bool WebAXObjectProxy::IsMultiSelectable() {
 869   accessibility_object_.updateLayoutAndCheckValidity();
 870   return accessibility_object_.isMultiSelectable();
 871 }
 872
 873 bool WebAXObjectProxy::IsSelectedOptionActive() {
 874   accessibility_object_.updateLayoutAndCheckValidity();
 875   return accessibility_object_.isSelectedOptionActive();
 876 }
 877
 878 bool WebAXObjectProxy::IsExpanded() {
 879   accessibility_object_.updateLayoutAndCheckValidity();
 880   return accessibility_object_.isExpanded() == blink::WebAXExpandedExpanded;
 881 }
 882
 883 bool WebAXObjectProxy::IsChecked() {
 884   accessibility_object_.updateLayoutAndCheckValidity();
 885   return accessibility_object_.isChecked();
 886 }
 887
 888 bool WebAXObjectProxy::IsCollapsed() {
 889   accessibility_object_.updateLayoutAndCheckValidity();
 890   return accessibility_object_.isExpanded() == blink::WebAXExpandedCollapsed;
 891 }
 892
 893 bool WebAXObjectProxy::IsVisible() {
 894   accessibility_object_.updateLayoutAndCheckValidity();
 895   return accessibility_object_.isVisible();
 896 }
 897
 898 bool WebAXObjectProxy::IsOffScreen() {
 899   accessibility_object_.updateLayoutAndCheckValidity();
 900   return accessibility_object_.isOffScreen();
 901 }
 902
 903 bool WebAXObjectProxy::HasPopup() {
 904   accessibility_object_.updateLayoutAndCheckValidity();
 905   return accessibility_object_.ariaHasPopup();
 906 }
 907
 908 bool WebAXObjectProxy::IsValid() {
 909   accessibility_object_.updateLayoutAndCheckValidity();
 910   return !accessibility_object_.isDetached();
 911 }
 912
 913 bool WebAXObjectProxy::IsReadOnly() {
 914   accessibility_object_.updateLayoutAndCheckValidity();
 915   return accessibility_object_.isReadOnly();
 916 }
 917
 918 unsigned int WebAXObjectProxy::BackgroundColor() {
 919   accessibility_object_.updateLayoutAndCheckValidity();
 920   return accessibility_object_.backgroundColor();
 921 }
 922
 923 unsigned int WebAXObjectProxy::Color() {
 924   accessibility_object_.updateLayoutAndCheckValidity();
 925   unsigned int color = accessibility_object_.color();
 926   // Remove the alpha because it's always 1 and thus not informative.
 927   return color & 0xFFFFFF;
 928 }
 929
 930 // For input elements of type color.
 931 unsigned int WebAXObjectProxy::ColorValue() {
 932   accessibility_object_.updateLayoutAndCheckValidity();
 933   return accessibility_object_.colorValue();
 934 }
 935
 936 float WebAXObjectProxy::FontSize() {
 937   accessibility_object_.updateLayoutAndCheckValidity();
 938   return accessibility_object_.fontSize();
 939 }
 940
 941 std::string WebAXObjectProxy::Orientation() {
 942   accessibility_object_.updateLayoutAndCheckValidity();
 943   if (accessibility_object_.orientation() == blink::WebAXOrientationVertical)
 944     return "AXOrientation: AXVerticalOrientation";
 945   else if (accessibility_object_.orientation()
 946            == blink::WebAXOrientationHorizontal)
 947     return "AXOrientation: AXHorizontalOrientation";
 948
 949   return std::string();
 950 }
 951
 952 int WebAXObjectProxy::PosInSet() {
 953   accessibility_object_.updateLayoutAndCheckValidity();
 954   return accessibility_object_.posInSet();
 955 }
 956
 957 int WebAXObjectProxy::SetSize() {
 958   accessibility_object_.updateLayoutAndCheckValidity();
 959   return accessibility_object_.setSize();
 960 }
 961
 962 int WebAXObjectProxy::ClickPointX() {
 963   accessibility_object_.updateLayoutAndCheckValidity();
 964   return accessibility_object_.clickPoint().x;
 965 }
 966
 967 int WebAXObjectProxy::ClickPointY() {
 968   accessibility_object_.updateLayoutAndCheckValidity();
 969   return accessibility_object_.clickPoint().y;
 970 }
 971
 972 int32_t WebAXObjectProxy::RowCount() {
 973   accessibility_object_.updateLayoutAndCheckValidity();
 974   return static_cast<int32_t>(accessibility_object_.rowCount());
 975 }
 976
 977 int32_t WebAXObjectProxy::RowHeadersCount() {
 978   accessibility_object_.updateLayoutAndCheckValidity();
 979   blink::WebVector<blink::WebAXObject> headers;
 980   accessibility_object_.rowHeaders(headers);
 981   return static_cast<int32_t>(headers.size());
 982 }
 983
 984 int32_t WebAXObjectProxy::ColumnCount() {
 985   accessibility_object_.updateLayoutAndCheckValidity();
 986   return static_cast<int32_t>(accessibility_object_.columnCount());
 987 }
 988
 989 int32_t WebAXObjectProxy::ColumnHeadersCount()
 990 {
 991   accessibility_object_.updateLayoutAndCheckValidity();
 992   blink::WebVector<blink::WebAXObject> headers;
 993   accessibility_object_.columnHeaders(headers);
 994   return static_cast<int32_t>(headers.size());
 995 }
 996
 997 bool WebAXObjectProxy::IsClickable() {
 998   accessibility_object_.updateLayoutAndCheckValidity();
 999   return accessibility_object_.isClickable();
1000 }
1001
1002 bool WebAXObjectProxy::IsButtonStateMixed() {
1003   accessibility_object_.updateLayoutAndCheckValidity();
1004   return accessibility_object_.isButtonStateMixed();
1005 }
1006
1007 v8::Local<v8::Object> WebAXObjectProxy::AriaControlsElementAtIndex(
1008                                                                 unsigned index)
1009 {
1010   accessibility_object_.updateLayoutAndCheckValidity();
1011   blink::WebVector<blink::WebAXObject> elements;
1012   accessibility_object_.ariaControls(elements);
1013   size_t elementCount = elements.size();
1014   if (index >= elementCount)
1015     return v8::Local<v8::Object>();
1016
1017   return factory_->GetOrCreate(elements[index]);
1018 }
1019
1020 v8::Local<v8::Object> WebAXObjectProxy::AriaFlowToElementAtIndex(
1021                                                                 unsigned index)
1022 {
1023   accessibility_object_.updateLayoutAndCheckValidity();
1024   blink::WebVector<blink::WebAXObject> elements;
1025   accessibility_object_.ariaFlowTo(elements);
1026   size_t elementCount = elements.size();
1027   if (index >= elementCount)
1028     return v8::Local<v8::Object>();
1029
1030   return factory_->GetOrCreate(elements[index]);
1031 }
1032
1033 v8::Local<v8::Object> WebAXObjectProxy::AriaOwnsElementAtIndex(unsigned index)
1034 {
1035   accessibility_object_.updateLayoutAndCheckValidity();
1036   blink::WebVector<blink::WebAXObject> elements;
1037   accessibility_object_.ariaOwns(elements);
1038   size_t elementCount = elements.size();
1039   if (index >= elementCount)
1040     return v8::Local<v8::Object>();
1041
1042   return factory_->GetOrCreate(elements[index]);
1043 }
1044
1045 std::string WebAXObjectProxy::AllAttributes() {
1046   accessibility_object_.updateLayoutAndCheckValidity();
1047   return GetAttributes(accessibility_object_);
1048 }
1049
1050 std::string WebAXObjectProxy::AttributesOfChildren() {
1051   accessibility_object_.updateLayoutAndCheckValidity();
1052   AttributesCollector collector;
1053   unsigned size = accessibility_object_.childCount();
1054   for (unsigned i = 0; i < size; ++i)
1055     collector.CollectAttributes(accessibility_object_.childAt(i));
1056   return collector.attributes();
1057 }
1058
1059 int WebAXObjectProxy::LineForIndex(int index) {
1060   accessibility_object_.updateLayoutAndCheckValidity();
1061   blink::WebVector<int> line_breaks;
1062   accessibility_object_.lineBreaks(line_breaks);
1063   int line = 0;
1064   int vector_size = static_cast<int>(line_breaks.size());
1065   while (line < vector_size && line_breaks[line] <= index)
1066     line++;
1067   return line;
1068 }
1069
1070 std::string WebAXObjectProxy::BoundsForRange(int start, int end) {
1071   accessibility_object_.updateLayoutAndCheckValidity();
1072   if (accessibility_object_.role() != blink::WebAXRoleStaticText)
1073     return std::string();
1074
1075   if (!accessibility_object_.updateLayoutAndCheckValidity())
1076     return std::string();
1077
1078   int len = end - start;
1079
1080   // Get the bounds for each character and union them into one large rectangle.
1081   // This is just for testing so it doesn't need to be efficient.
1082   blink::WebRect bounds = BoundsForCharacter(accessibility_object_, start);
1083   for (int i = 1; i < len; i++) {
1084     blink::WebRect next = BoundsForCharacter(accessibility_object_, start + i);
1085     int right = std::max(bounds.x + bounds.width, next.x + next.width);
1086     int bottom = std::max(bounds.y + bounds.height, next.y + next.height);
1087     bounds.x = std::min(bounds.x, next.x);
1088     bounds.y = std::min(bounds.y, next.y);
1089     bounds.width = right - bounds.x;
1090     bounds.height = bottom - bounds.y;
1091   }
1092
1093   return base::StringPrintf("{x: %d, y: %d, width: %d, height: %d}",
1094                             bounds.x, bounds.y, bounds.width, bounds.height);
1095 }
1096
1097 v8::Local<v8::Object> WebAXObjectProxy::ChildAtIndex(int index) {
1098   accessibility_object_.updateLayoutAndCheckValidity();
1099   return GetChildAtIndex(index);
1100 }
1101
1102 v8::Local<v8::Object> WebAXObjectProxy::ElementAtPoint(int x, int y) {
1103   accessibility_object_.updateLayoutAndCheckValidity();
1104   blink::WebPoint point(x, y);
1105   blink::WebAXObject obj = accessibility_object_.hitTest(point);
1106   if (obj.isNull())
1107     return v8::Local<v8::Object>();
1108
1109   return factory_->GetOrCreate(obj);
1110 }
1111
1112 v8::Local<v8::Object> WebAXObjectProxy::TableHeader() {
1113   accessibility_object_.updateLayoutAndCheckValidity();
1114   blink::WebAXObject obj = accessibility_object_.headerContainerObject();
1115   if (obj.isNull())
1116     return v8::Local<v8::Object>();
1117
1118   return factory_->GetOrCreate(obj);
1119 }
1120
1121 v8::Local<v8::Object> WebAXObjectProxy::RowHeaderAtIndex(unsigned index) {
1122   accessibility_object_.updateLayoutAndCheckValidity();
1123   blink::WebVector<blink::WebAXObject> headers;
1124   accessibility_object_.rowHeaders(headers);
1125   size_t headerCount = headers.size();
1126   if (index >= headerCount)
1127     return v8::Local<v8::Object>();
1128
1129   return factory_->GetOrCreate(headers[index]);
1130 }
1131
1132 v8::Local<v8::Object> WebAXObjectProxy::ColumnHeaderAtIndex(unsigned index) {
1133   accessibility_object_.updateLayoutAndCheckValidity();
1134   blink::WebVector<blink::WebAXObject> headers;
1135   accessibility_object_.columnHeaders(headers);
1136   size_t headerCount = headers.size();
1137   if (index >= headerCount)
1138     return v8::Local<v8::Object>();
1139
1140   return factory_->GetOrCreate(headers[index]);
1141 }
1142
1143 std::string WebAXObjectProxy::RowIndexRange() {
1144   accessibility_object_.updateLayoutAndCheckValidity();
1145   unsigned row_index = accessibility_object_.cellRowIndex();
1146   unsigned row_span = accessibility_object_.cellRowSpan();
1147   return base::StringPrintf("{%d, %d}", row_index, row_span);
1148 }
1149
1150 std::string WebAXObjectProxy::ColumnIndexRange() {
1151   accessibility_object_.updateLayoutAndCheckValidity();
1152   unsigned column_index = accessibility_object_.cellColumnIndex();
1153   unsigned column_span = accessibility_object_.cellColumnSpan();
1154   return base::StringPrintf("{%d, %d}", column_index, column_span);
1155 }
1156
1157 v8::Local<v8::Object> WebAXObjectProxy::CellForColumnAndRow(
1158     int column, int row) {
1159   accessibility_object_.updateLayoutAndCheckValidity();
1160   blink::WebAXObject obj =
1161       accessibility_object_.cellForColumnAndRow(column, row);
1162   if (obj.isNull())
1163     return v8::Local<v8::Object>();
1164
1165   return factory_->GetOrCreate(obj);
1166 }
1167
1168 v8::Local<v8::Object> WebAXObjectProxy::DeprecatedTitleUIElement() {
1169   accessibility_object_.updateLayoutAndCheckValidity();
1170   blink::WebAXObject obj = accessibility_object_.deprecatedTitleUIElement();
1171   if (obj.isNull())
1172     return v8::Local<v8::Object>();
1173
1174   return factory_->GetOrCreate(obj);
1175 }
1176
1177 void WebAXObjectProxy::SetSelectedTextRange(int selection_start,
1178                                             int length) {
1179   accessibility_object_.updateLayoutAndCheckValidity();
1180   accessibility_object_.setSelectedTextRange(selection_start,
1181                                               selection_start + length);
1182 }
1183
1184 void WebAXObjectProxy::SetSelection(
1185     v8::Local<v8::Value> anchor_object, int anchor_offset,
1186     v8::Local<v8::Value> focus_object, int focus_offset) {
1187   if (anchor_object.IsEmpty() || focus_object.IsEmpty() ||
1188       !anchor_object->IsObject() || !focus_object->IsObject() ||
1189       anchor_offset < 0 || focus_offset < 0) {
1190     return;
1191   }
1192
1193   WebAXObjectProxy* web_ax_anchor = nullptr;
1194   if (!gin::ConvertFromV8(
1195       blink::mainThreadIsolate(), anchor_object, &web_ax_anchor)) {
1196     return;
1197   }
1198   DCHECK(web_ax_anchor);
1199
1200   WebAXObjectProxy* web_ax_focus = nullptr;
1201   if (!gin::ConvertFromV8(
1202       blink::mainThreadIsolate(), focus_object, &web_ax_focus)) {
1203     return;
1204   }
1205   DCHECK(web_ax_focus);
1206
1207   accessibility_object_.updateLayoutAndCheckValidity();
1208   accessibility_object_.setSelection(
1209       web_ax_anchor->accessibility_object_, anchor_offset,
1210       web_ax_focus->accessibility_object_, focus_offset);
1211 }
1212
1213 bool WebAXObjectProxy::IsAttributeSettable(const std::string& attribute) {
1214   accessibility_object_.updateLayoutAndCheckValidity();
1215   bool settable = false;
1216   if (attribute == "AXValue")
1217     settable = accessibility_object_.canSetValueAttribute();
1218   return settable;
1219 }
1220
1221 bool WebAXObjectProxy::IsPressActionSupported() {
1222   accessibility_object_.updateLayoutAndCheckValidity();
1223   return accessibility_object_.canPress();
1224 }
1225
1226 bool WebAXObjectProxy::IsIncrementActionSupported() {
1227   accessibility_object_.updateLayoutAndCheckValidity();
1228   return accessibility_object_.canIncrement();
1229 }
1230
1231 bool WebAXObjectProxy::IsDecrementActionSupported() {
1232   accessibility_object_.updateLayoutAndCheckValidity();
1233   return accessibility_object_.canDecrement();
1234 }
1235
1236 v8::Local<v8::Object> WebAXObjectProxy::ParentElement() {
1237   accessibility_object_.updateLayoutAndCheckValidity();
1238   blink::WebAXObject parent_object = accessibility_object_.parentObject();
1239   while (parent_object.accessibilityIsIgnored())
1240     parent_object = parent_object.parentObject();
1241   return factory_->GetOrCreate(parent_object);
1242 }
1243
1244 void WebAXObjectProxy::Increment() {
1245   accessibility_object_.updateLayoutAndCheckValidity();
1246   accessibility_object_.increment();
1247 }
1248
1249 void WebAXObjectProxy::Decrement() {
1250   accessibility_object_.updateLayoutAndCheckValidity();
1251   accessibility_object_.decrement();
1252 }
1253
1254 void WebAXObjectProxy::ShowMenu() {
1255   accessibility_object_.showContextMenu();
1256 }
1257
1258 void WebAXObjectProxy::Press() {
1259   accessibility_object_.updateLayoutAndCheckValidity();
1260   accessibility_object_.press();
1261 }
1262
1263 bool WebAXObjectProxy::SetValue(const std::string& value) {
1264   accessibility_object_.updateLayoutAndCheckValidity();
1265   if (!accessibility_object_.canSetValueAttribute())
1266     return false;
1267
1268   accessibility_object_.setValue(blink::WebString::fromUTF8(value));
1269   return true;
1270 }
1271
1272 bool WebAXObjectProxy::IsEqual(v8::Local<v8::Object> proxy) {
1273   WebAXObjectProxy* unwrapped_proxy = NULL;
1274   if (!gin::ConvertFromV8(blink::mainThreadIsolate(), proxy, &unwrapped_proxy))
1275     return false;
1276   return unwrapped_proxy->IsEqualToObject(accessibility_object_);
1277 }
1278
1279 void WebAXObjectProxy::SetNotificationListener(
1280     v8::Local<v8::Function> callback) {
1281   v8::Isolate* isolate = blink::mainThreadIsolate();
1282   notification_callback_.Reset(isolate, callback);
1283 }
1284
1285 void WebAXObjectProxy::UnsetNotificationListener() {
1286   notification_callback_.Reset();
1287 }
1288
1289 void WebAXObjectProxy::TakeFocus() {
1290   accessibility_object_.updateLayoutAndCheckValidity();
1291   accessibility_object_.setFocused(true);
1292 }
1293
1294 void WebAXObjectProxy::ScrollToMakeVisible() {
1295   accessibility_object_.updateLayoutAndCheckValidity();
1296   accessibility_object_.scrollToMakeVisible();
1297 }
1298
1299 void WebAXObjectProxy::ScrollToMakeVisibleWithSubFocus(int x, int y,
1300                                                        int width, int height) {
1301   accessibility_object_.updateLayoutAndCheckValidity();
1302   accessibility_object_.scrollToMakeVisibleWithSubFocus(
1303       blink::WebRect(x, y, width, height));
1304 }
1305
1306 void WebAXObjectProxy::ScrollToGlobalPoint(int x, int y) {
1307   accessibility_object_.updateLayoutAndCheckValidity();
1308   accessibility_object_.scrollToGlobalPoint(blink::WebPoint(x, y));
1309 }
1310
1311 int WebAXObjectProxy::WordStart(int character_index) {
1312   accessibility_object_.updateLayoutAndCheckValidity();
1313   if (accessibility_object_.role() != blink::WebAXRoleStaticText)
1314     return -1;
1315
1316   int word_start = 0, word_end = 0;
1317   GetBoundariesForOneWord(accessibility_object_, character_index,
1318                           word_start, word_end);
1319   return word_start;
1320 }
1321
1322 int WebAXObjectProxy::WordEnd(int character_index) {
1323   accessibility_object_.updateLayoutAndCheckValidity();
1324   if (accessibility_object_.role() != blink::WebAXRoleStaticText)
1325     return -1;
1326
1327   int word_start = 0, word_end = 0;
1328   GetBoundariesForOneWord(accessibility_object_, character_index,
1329                           word_start, word_end);
1330   return word_end;
1331 }
1332
1333 v8::Local<v8::Object> WebAXObjectProxy::NextOnLine() {
1334   accessibility_object_.updateLayoutAndCheckValidity();
1335   blink::WebAXObject obj = accessibility_object_.nextOnLine();
1336   if (obj.isNull())
1337     return v8::Local<v8::Object>();
1338
1339   return factory_->GetOrCreate(obj);
1340 }
1341
1342 v8::Local<v8::Object> WebAXObjectProxy::PreviousOnLine() {
1343   accessibility_object_.updateLayoutAndCheckValidity();
1344   blink::WebAXObject obj = accessibility_object_.previousOnLine();
1345   if (obj.isNull())
1346     return v8::Local<v8::Object>();
1347
1348   return factory_->GetOrCreate(obj);
1349 }
1350
1351 std::string WebAXObjectProxy::Name() {
1352   accessibility_object_.updateLayoutAndCheckValidity();
1353   blink::WebAXNameFrom nameFrom;
1354   blink::WebVector<blink::WebAXObject> nameObjects;
1355   return accessibility_object_.name(nameFrom, nameObjects).utf8();
1356 }
1357
1358 std::string WebAXObjectProxy::NameFrom() {
1359   accessibility_object_.updateLayoutAndCheckValidity();
1360   blink::WebAXNameFrom nameFrom = blink::WebAXNameFromContents;
1361   blink::WebVector<blink::WebAXObject> nameObjects;
1362   accessibility_object_.name(nameFrom, nameObjects);
1363   switch(nameFrom) {
1364     case blink::WebAXNameFromAttribute:
1365       return "attribute";
1366     case blink::WebAXNameFromContents:
1367       return "contents";
1368     case blink::WebAXNameFromPlaceholder:
1369       return "placeholder";
1370     case blink::WebAXNameFromRelatedElement:
1371       return "relatedElement";
1372     default:
1373       return "unknown";
1374   }
1375 }
1376
1377 int WebAXObjectProxy::NameElementCount() {
1378   accessibility_object_.updateLayoutAndCheckValidity();
1379   blink::WebAXNameFrom nameFrom;
1380   blink::WebVector<blink::WebAXObject> nameObjects;
1381   accessibility_object_.name(nameFrom, nameObjects);
1382   return static_cast<int>(nameObjects.size());
1383 }
1384
1385 v8::Local<v8::Object> WebAXObjectProxy::NameElementAtIndex(unsigned index) {
1386   accessibility_object_.updateLayoutAndCheckValidity();
1387   blink::WebAXNameFrom nameFrom;
1388   blink::WebVector<blink::WebAXObject> nameObjects;
1389   accessibility_object_.name(nameFrom, nameObjects);
1390   if (index >= nameObjects.size())
1391     return v8::Local<v8::Object>();
1392   return factory_->GetOrCreate(nameObjects[index]);
1393 }
1394
1395 RootWebAXObjectProxy::RootWebAXObjectProxy(
1396     const blink::WebAXObject &object, Factory *factory)
1397     : WebAXObjectProxy(object, factory) {
1398 }
1399
1400 v8::Local<v8::Object> RootWebAXObjectProxy::GetChildAtIndex(unsigned index) {
1401   if (index)
1402     return v8::Local<v8::Object>();
1403
1404   return factory()->GetOrCreate(accessibility_object());
1405 }
1406
1407 bool RootWebAXObjectProxy::IsRoot() const {
1408   return true;
1409 }
1410
1411 WebAXObjectProxyList::WebAXObjectProxyList()
1412     : elements_(blink::mainThreadIsolate()) {
1413 }
1414
1415 WebAXObjectProxyList::~WebAXObjectProxyList() {
1416   Clear();
1417 }
1418
1419 void WebAXObjectProxyList::Clear() {
1420   v8::Isolate* isolate = blink::mainThreadIsolate();
1421   v8::HandleScope handle_scope(isolate);
1422   size_t elementCount = elements_.Size();
1423   for (size_t i = 0; i < elementCount; i++) {
1424     WebAXObjectProxy* unwrapped_object = NULL;
1425     bool result = gin::ConvertFromV8(isolate, elements_.Get(i),
1426                                      &unwrapped_object);
1427     DCHECK(result);
1428     DCHECK(unwrapped_object);
1429     unwrapped_object->Reset();
1430   }
1431   elements_.Clear();
1432 }
1433
1434 v8::Local<v8::Object> WebAXObjectProxyList::GetOrCreate(
1435     const blink::WebAXObject& object) {
1436   if (object.isNull())
1437     return v8::Local<v8::Object>();
1438
1439   v8::Isolate* isolate = blink::mainThreadIsolate();
1440
1441   size_t elementCount = elements_.Size();
1442   for (size_t i = 0; i < elementCount; i++) {
1443     WebAXObjectProxy* unwrapped_object = NULL;
1444     bool result = gin::ConvertFromV8(isolate, elements_.Get(i),
1445                                      &unwrapped_object);
1446     DCHECK(result);
1447     DCHECK(unwrapped_object);
1448     if (unwrapped_object->IsEqualToObject(object))
1449       return elements_.Get(i);
1450   }
1451
1452   v8::Local<v8::Value> value_handle = gin::CreateHandle(
1453       isolate, new WebAXObjectProxy(object, this)).ToV8();
1454   if (value_handle.IsEmpty())
1455     return v8::Local<v8::Object>();
1456   v8::Local<v8::Object> handle = value_handle->ToObject(isolate);
1457   elements_.Append(handle);
1458   return handle;
1459 }
1460
1461 }  // namespace test_runner