Home | History | Annotate | Download | only in accessibility 
      1 // Copyright (c) 2013 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 "content/renderer/accessibility/blink_ax_enum_conversion.h"
      6 
      7 #include "base/logging.h"
      8 
      9 namespace content {
     10 
     11 uint32 AXStateFromBlink(const blink::WebAXObject& o) {
     12   uint32 state = 0;
     13   if (o.isChecked())
     14     state |= (1 << ui::AX_STATE_CHECKED);
     15 
     16   if (o.isCollapsed())
     17     state |= (1 << ui::AX_STATE_COLLAPSED);
     18 
     19   if (o.canSetFocusAttribute())
     20     state |= (1 << ui::AX_STATE_FOCUSABLE);
     21 
     22   if (o.isFocused())
     23     state |= (1 << ui::AX_STATE_FOCUSED);
     24 
     25   if (o.role() == blink::WebAXRolePopUpButton ||
     26       o.ariaHasPopup()) {
     27     state |= (1 << ui::AX_STATE_HASPOPUP);
     28     if (!o.isCollapsed())
     29       state |= (1 << ui::AX_STATE_EXPANDED);
     30   }
     31 
     32   if (o.isHovered())
     33     state |= (1 << ui::AX_STATE_HOVERED);
     34 
     35   if (o.isIndeterminate())
     36     state |= (1 << ui::AX_STATE_INDETERMINATE);
     37 
     38   if (!o.isVisible())
     39     state |= (1 << ui::AX_STATE_INVISIBLE);
     40 
     41   if (o.isLinked())
     42     state |= (1 << ui::AX_STATE_LINKED);
     43 
     44   if (o.isMultiSelectable())
     45     state |= (1 << ui::AX_STATE_MULTISELECTABLE);
     46 
     47   if (o.isOffScreen())
     48     state |= (1 << ui::AX_STATE_OFFSCREEN);
     49 
     50   if (o.isPressed())
     51     state |= (1 << ui::AX_STATE_PRESSED);
     52 
     53   if (o.isPasswordField())
     54     state |= (1 << ui::AX_STATE_PROTECTED);
     55 
     56   if (o.isReadOnly())
     57     state |= (1 << ui::AX_STATE_READ_ONLY);
     58 
     59   if (o.isRequired())
     60     state |= (1 << ui::AX_STATE_REQUIRED);
     61 
     62   if (o.canSetSelectedAttribute())
     63     state |= (1 << ui::AX_STATE_SELECTABLE);
     64 
     65   if (o.isSelected())
     66     state |= (1 << ui::AX_STATE_SELECTED);
     67 
     68   if (o.isVisited())
     69     state |= (1 << ui::AX_STATE_VISITED);
     70 
     71   if (o.isEnabled())
     72     state |= (1 << ui::AX_STATE_ENABLED);
     73 
     74   if (o.isVertical())
     75     state |= (1 << ui::AX_STATE_VERTICAL);
     76 
     77   if (o.isVisited())
     78     state |= (1 << ui::AX_STATE_VISITED);
     79 
     80   return state;
     81 }
     82 
     83 ui::AXRole AXRoleFromBlink(blink::WebAXRole role) {
     84   switch (role) {
     85     case blink::WebAXRoleAlert:
     86       return ui::AX_ROLE_ALERT;
     87     case blink::WebAXRoleAlertDialog:
     88       return ui::AX_ROLE_ALERT_DIALOG;
     89     case blink::WebAXRoleAnnotation:
     90       return ui::AX_ROLE_ANNOTATION;
     91     case blink::WebAXRoleApplication:
     92       return ui::AX_ROLE_APPLICATION;
     93     case blink::WebAXRoleArticle:
     94       return ui::AX_ROLE_ARTICLE;
     95     case blink::WebAXRoleBanner:
     96       return ui::AX_ROLE_BANNER;
     97     case blink::WebAXRoleBrowser:
     98       return ui::AX_ROLE_BROWSER;
     99     case blink::WebAXRoleBusyIndicator:
    100       return ui::AX_ROLE_BUSY_INDICATOR;
    101     case blink::WebAXRoleButton:
    102       return ui::AX_ROLE_BUTTON;
    103     case blink::WebAXRoleCanvas:
    104       return ui::AX_ROLE_CANVAS;
    105     case blink::WebAXRoleCell:
    106       return ui::AX_ROLE_CELL;
    107     case blink::WebAXRoleCheckBox:
    108       return ui::AX_ROLE_CHECK_BOX;
    109     case blink::WebAXRoleColorWell:
    110       return ui::AX_ROLE_COLOR_WELL;
    111     case blink::WebAXRoleColumn:
    112       return ui::AX_ROLE_COLUMN;
    113     case blink::WebAXRoleColumnHeader:
    114       return ui::AX_ROLE_COLUMN_HEADER;
    115     case blink::WebAXRoleComboBox:
    116       return ui::AX_ROLE_COMBO_BOX;
    117     case blink::WebAXRoleComplementary:
    118       return ui::AX_ROLE_COMPLEMENTARY;
    119     case blink::WebAXRoleContentInfo:
    120       return ui::AX_ROLE_CONTENT_INFO;
    121     case blink::WebAXRoleDefinition:
    122       return ui::AX_ROLE_DEFINITION;
    123     case blink::WebAXRoleDescriptionListDetail:
    124       return ui::AX_ROLE_DESCRIPTION_LIST_DETAIL;
    125     case blink::WebAXRoleDescriptionListTerm:
    126       return ui::AX_ROLE_DESCRIPTION_LIST_TERM;
    127     case blink::WebAXRoleDialog:
    128       return ui::AX_ROLE_DIALOG;
    129     case blink::WebAXRoleDirectory:
    130       return ui::AX_ROLE_DIRECTORY;
    131     case blink::WebAXRoleDisclosureTriangle:
    132       return ui::AX_ROLE_DISCLOSURE_TRIANGLE;
    133     case blink::WebAXRoleDiv:
    134       return ui::AX_ROLE_DIV;
    135     case blink::WebAXRoleDocument:
    136       return ui::AX_ROLE_DOCUMENT;
    137     case blink::WebAXRoleDrawer:
    138       return ui::AX_ROLE_DRAWER;
    139     case blink::WebAXRoleEditableText:
    140       return ui::AX_ROLE_EDITABLE_TEXT;
    141     case blink::WebAXRoleEmbeddedObject:
    142       return ui::AX_ROLE_EMBEDDED_OBJECT;
    143     case blink::WebAXRoleFooter:
    144       return ui::AX_ROLE_FOOTER;
    145     case blink::WebAXRoleForm:
    146       return ui::AX_ROLE_FORM;
    147     case blink::WebAXRoleGrid:
    148       return ui::AX_ROLE_GRID;
    149     case blink::WebAXRoleGroup:
    150       return ui::AX_ROLE_GROUP;
    151     case blink::WebAXRoleGrowArea:
    152       return ui::AX_ROLE_GROW_AREA;
    153     case blink::WebAXRoleHeading:
    154       return ui::AX_ROLE_HEADING;
    155     case blink::WebAXRoleHelpTag:
    156       return ui::AX_ROLE_HELP_TAG;
    157     case blink::WebAXRoleHorizontalRule:
    158       return ui::AX_ROLE_HORIZONTAL_RULE;
    159     case blink::WebAXRoleIframe:
    160       return ui::AX_ROLE_IFRAME;
    161     case blink::WebAXRoleIgnored:
    162       return ui::AX_ROLE_IGNORED;
    163     case blink::WebAXRoleImage:
    164       return ui::AX_ROLE_IMAGE;
    165     case blink::WebAXRoleImageMap:
    166       return ui::AX_ROLE_IMAGE_MAP;
    167     case blink::WebAXRoleImageMapLink:
    168       return ui::AX_ROLE_IMAGE_MAP_LINK;
    169     case blink::WebAXRoleIncrementor:
    170       return ui::AX_ROLE_INCREMENTOR;
    171     case blink::WebAXRoleInlineTextBox:
    172       return ui::AX_ROLE_INLINE_TEXT_BOX;
    173     case blink::WebAXRoleLabel:
    174       return ui::AX_ROLE_LABEL_TEXT;
    175     case blink::WebAXRoleLegend:
    176       return ui::AX_ROLE_LEGEND;
    177     case blink::WebAXRoleLink:
    178       return ui::AX_ROLE_LINK;
    179     case blink::WebAXRoleList:
    180       return ui::AX_ROLE_LIST;
    181     case blink::WebAXRoleListBox:
    182       return ui::AX_ROLE_LIST_BOX;
    183     case blink::WebAXRoleListBoxOption:
    184       return ui::AX_ROLE_LIST_BOX_OPTION;
    185     case blink::WebAXRoleListItem:
    186       return ui::AX_ROLE_LIST_ITEM;
    187     case blink::WebAXRoleListMarker:
    188       return ui::AX_ROLE_LIST_MARKER;
    189     case blink::WebAXRoleLog:
    190       return ui::AX_ROLE_LOG;
    191     case blink::WebAXRoleMain:
    192       return ui::AX_ROLE_MAIN;
    193     case blink::WebAXRoleMarquee:
    194       return ui::AX_ROLE_MARQUEE;
    195     case blink::WebAXRoleMath:
    196       return ui::AX_ROLE_MATH;
    197     case blink::WebAXRoleMathElement:
    198       return ui::AX_ROLE_MATH_ELEMENT;
    199     case blink::WebAXRoleMatte:
    200       return ui::AX_ROLE_MATTE;
    201     case blink::WebAXRoleMenu:
    202       return ui::AX_ROLE_MENU;
    203     case blink::WebAXRoleMenuBar:
    204       return ui::AX_ROLE_MENU_BAR;
    205     case blink::WebAXRoleMenuButton:
    206       return ui::AX_ROLE_MENU_BUTTON;
    207     case blink::WebAXRoleMenuItem:
    208       return ui::AX_ROLE_MENU_ITEM;
    209     case blink::WebAXRoleMenuListOption:
    210       return ui::AX_ROLE_MENU_LIST_OPTION;
    211     case blink::WebAXRoleMenuListPopup:
    212       return ui::AX_ROLE_MENU_LIST_POPUP;
    213     case blink::WebAXRoleNavigation:
    214       return ui::AX_ROLE_NAVIGATION;
    215     case blink::WebAXRoleNote:
    216       return ui::AX_ROLE_NOTE;
    217     case blink::WebAXRoleOutline:
    218       return ui::AX_ROLE_OUTLINE;
    219     case blink::WebAXRoleParagraph:
    220       return ui::AX_ROLE_PARAGRAPH;
    221     case blink::WebAXRolePopUpButton:
    222       return ui::AX_ROLE_POP_UP_BUTTON;
    223     case blink::WebAXRolePresentational:
    224       return ui::AX_ROLE_PRESENTATIONAL;
    225     case blink::WebAXRoleProgressIndicator:
    226       return ui::AX_ROLE_PROGRESS_INDICATOR;
    227     case blink::WebAXRoleRadioButton:
    228       return ui::AX_ROLE_RADIO_BUTTON;
    229     case blink::WebAXRoleRadioGroup:
    230       return ui::AX_ROLE_RADIO_GROUP;
    231     case blink::WebAXRoleRegion:
    232       return ui::AX_ROLE_REGION;
    233     case blink::WebAXRoleRootWebArea:
    234       return ui::AX_ROLE_ROOT_WEB_AREA;
    235     case blink::WebAXRoleRow:
    236       return ui::AX_ROLE_ROW;
    237     case blink::WebAXRoleRowHeader:
    238       return ui::AX_ROLE_ROW_HEADER;
    239     case blink::WebAXRoleRuler:
    240       return ui::AX_ROLE_RULER;
    241     case blink::WebAXRoleRulerMarker:
    242       return ui::AX_ROLE_RULER_MARKER;
    243     case blink::WebAXRoleSVGRoot:
    244       return ui::AX_ROLE_SVG_ROOT;
    245     case blink::WebAXRoleScrollArea:
    246       return ui::AX_ROLE_SCROLL_AREA;
    247     case blink::WebAXRoleScrollBar:
    248       return ui::AX_ROLE_SCROLL_BAR;
    249     case blink::WebAXRoleSeamlessWebArea:
    250       return ui::AX_ROLE_SEAMLESS_WEB_AREA;
    251     case blink::WebAXRoleSearch:
    252       return ui::AX_ROLE_SEARCH;
    253     case blink::WebAXRoleSheet:
    254       return ui::AX_ROLE_SHEET;
    255     case blink::WebAXRoleSlider:
    256       return ui::AX_ROLE_SLIDER;
    257     case blink::WebAXRoleSliderThumb:
    258       return ui::AX_ROLE_SLIDER_THUMB;
    259     case blink::WebAXRoleSpinButton:
    260       return ui::AX_ROLE_SPIN_BUTTON;
    261     case blink::WebAXRoleSpinButtonPart:
    262       return ui::AX_ROLE_SPIN_BUTTON_PART;
    263     case blink::WebAXRoleSplitGroup:
    264       return ui::AX_ROLE_SPLIT_GROUP;
    265     case blink::WebAXRoleSplitter:
    266       return ui::AX_ROLE_SPLITTER;
    267     case blink::WebAXRoleStaticText:
    268       return ui::AX_ROLE_STATIC_TEXT;
    269     case blink::WebAXRoleStatus:
    270       return ui::AX_ROLE_STATUS;
    271     case blink::WebAXRoleSystemWide:
    272       return ui::AX_ROLE_SYSTEM_WIDE;
    273     case blink::WebAXRoleTab:
    274       return ui::AX_ROLE_TAB;
    275     case blink::WebAXRoleTabGroup:
    276       return ui::AX_ROLE_TAB_GROUP;
    277     case blink::WebAXRoleTabList:
    278       return ui::AX_ROLE_TAB_LIST;
    279     case blink::WebAXRoleTabPanel:
    280       return ui::AX_ROLE_TAB_PANEL;
    281     case blink::WebAXRoleTable:
    282       return ui::AX_ROLE_TABLE;
    283     case blink::WebAXRoleTableHeaderContainer:
    284       return ui::AX_ROLE_TABLE_HEADER_CONTAINER;
    285     case blink::WebAXRoleTextArea:
    286       return ui::AX_ROLE_TEXT_AREA;
    287     case blink::WebAXRoleTextField:
    288       return ui::AX_ROLE_TEXT_FIELD;
    289     case blink::WebAXRoleTimer:
    290       return ui::AX_ROLE_TIMER;
    291     case blink::WebAXRoleToggleButton:
    292       return ui::AX_ROLE_TOGGLE_BUTTON;
    293     case blink::WebAXRoleToolbar:
    294       return ui::AX_ROLE_TOOLBAR;
    295     case blink::WebAXRoleTree:
    296       return ui::AX_ROLE_TREE;
    297     case blink::WebAXRoleTreeGrid:
    298       return ui::AX_ROLE_TREE_GRID;
    299     case blink::WebAXRoleTreeItem:
    300       return ui::AX_ROLE_TREE_ITEM;
    301     case blink::WebAXRoleUnknown:
    302       return ui::AX_ROLE_UNKNOWN;
    303     case blink::WebAXRoleUserInterfaceTooltip:
    304       return ui::AX_ROLE_TOOLTIP;
    305     case blink::WebAXRoleValueIndicator:
    306       return ui::AX_ROLE_VALUE_INDICATOR;
    307     case blink::WebAXRoleWebArea:
    308       return ui::AX_ROLE_WEB_AREA;
    309     case blink::WebAXRoleWindow:
    310       return ui::AX_ROLE_WINDOW;
    311     default:
    312       // We can't add an assertion here, that prevents us
    313       // from adding new role enums in Blink.
    314       return static_cast<ui::AXRole>(-1);
    315   }
    316 }
    317 
    318 ui::AXEvent AXEventFromBlink(blink::WebAXEvent event) {
    319   switch (event) {
    320     case blink::WebAXEventActiveDescendantChanged:
    321       return ui::AX_EVENT_ACTIVEDESCENDANTCHANGED;
    322     case blink::WebAXEventAlert:
    323       return ui::AX_EVENT_ALERT;
    324     case blink::WebAXEventAriaAttributeChanged:
    325       return ui::AX_EVENT_ARIA_ATTRIBUTE_CHANGED;
    326     case blink::WebAXEventAutocorrectionOccured:
    327       return ui::AX_EVENT_AUTOCORRECTION_OCCURED;
    328     case blink::WebAXEventBlur:
    329       return ui::AX_EVENT_BLUR;
    330     case blink::WebAXEventCheckedStateChanged:
    331       return ui::AX_EVENT_CHECKED_STATE_CHANGED;
    332     case blink::WebAXEventChildrenChanged:
    333       return ui::AX_EVENT_CHILDREN_CHANGED;
    334     case blink::WebAXEventFocus:
    335       return ui::AX_EVENT_FOCUS;
    336     case blink::WebAXEventHide:
    337       return ui::AX_EVENT_HIDE;
    338     case blink::WebAXEventInvalidStatusChanged:
    339       return ui::AX_EVENT_INVALID_STATUS_CHANGED;
    340     case blink::WebAXEventLayoutComplete:
    341       return ui::AX_EVENT_LAYOUT_COMPLETE;
    342     case blink::WebAXEventLiveRegionChanged:
    343       return ui::AX_EVENT_LIVE_REGION_CHANGED;
    344     case blink::WebAXEventLoadComplete:
    345       return ui::AX_EVENT_LOAD_COMPLETE;
    346     case blink::WebAXEventLocationChanged:
    347       return ui::AX_EVENT_LOCATION_CHANGED;
    348     case blink::WebAXEventMenuListItemSelected:
    349       return ui::AX_EVENT_MENU_LIST_ITEM_SELECTED;
    350     case blink::WebAXEventMenuListValueChanged:
    351         return ui::AX_EVENT_MENU_LIST_VALUE_CHANGED;
    352     case blink::WebAXEventRowCollapsed:
    353       return ui::AX_EVENT_ROW_COLLAPSED;
    354     case blink::WebAXEventRowCountChanged:
    355       return ui::AX_EVENT_ROW_COUNT_CHANGED;
    356     case blink::WebAXEventRowExpanded:
    357       return ui::AX_EVENT_ROW_EXPANDED;
    358     case blink::WebAXEventScrollPositionChanged:
    359       return ui::AX_EVENT_SCROLL_POSITION_CHANGED;
    360     case blink::WebAXEventScrolledToAnchor:
    361       return ui::AX_EVENT_SCROLLED_TO_ANCHOR;
    362     case blink::WebAXEventSelectedChildrenChanged:
    363       return ui::AX_EVENT_SELECTED_CHILDREN_CHANGED;
    364     case blink::WebAXEventSelectedTextChanged:
    365       return ui::AX_EVENT_SELECTED_TEXT_CHANGED;
    366     case blink::WebAXEventShow:
    367       return ui::AX_EVENT_SHOW;
    368     case blink::WebAXEventTextChanged:
    369       return ui::AX_EVENT_TEXT_CHANGED;
    370     case blink::WebAXEventTextInserted:
    371       return ui::AX_EVENT_TEXT_INSERTED;
    372     case blink::WebAXEventTextRemoved:
    373       return ui::AX_EVENT_TEXT_REMOVED;
    374     case blink::WebAXEventValueChanged:
    375       return ui::AX_EVENT_VALUE_CHANGED;
    376     default:
    377       // We can't add an assertion here, that prevents us
    378       // from adding new event enums in Blink.
    379       return ui::AX_EVENT_NONE;
    380   }
    381 }
    382 
    383 ui::AXTextDirection AXTextDirectionFromBlink(
    384     blink::WebAXTextDirection text_direction) {
    385   switch (text_direction) {
    386     case blink::WebAXTextDirectionLR:
    387       return ui::AX_TEXT_DIRECTION_LR;
    388     case blink::WebAXTextDirectionRL:
    389       return ui::AX_TEXT_DIRECTION_RL;
    390     case blink::WebAXTextDirectionTB:
    391       return ui::AX_TEXT_DIRECTION_TB;
    392     case blink::WebAXTextDirectionBT:
    393       return ui::AX_TEXT_DIRECTION_BT;
    394     default:
    395       NOTREACHED();
    396   }
    397 
    398   return ui::AX_TEXT_DIRECTION_NONE;
    399 }
    400 
    401 }  // namespace content
    402