diff options
Diffstat (limited to '')
| -rw-r--r-- | accessible/base/HTMLMarkupMap.h | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/accessible/base/HTMLMarkupMap.h b/accessible/base/HTMLMarkupMap.h new file mode 100644 index 0000000000..b903097ea0 --- /dev/null +++ b/accessible/base/HTMLMarkupMap.h @@ -0,0 +1,444 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:expandtab:shiftwidth=2:tabstop=2: + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +MARKUPMAP( + a, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + // An anchor element without an href attribute and without a click + // listener should be a generic. + if (!aElement->HasAttr(nsGkAtoms::href) && + !nsCoreUtils::HasClickListener(aElement)) { + return new HyperTextAccessible(aElement, aContext->Document()); + } + // Only some roles truly enjoy life as HTMLLinkAccessibles, for + // details see closed bug 494807. + const nsRoleMapEntry* roleMapEntry = aria::GetRoleMap(aElement); + if (roleMapEntry && roleMapEntry->role != roles::NOTHING && + roleMapEntry->role != roles::LINK) { + return new HyperTextAccessible(aElement, aContext->Document()); + } + + return new HTMLLinkAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP(abbr, New_HyperText, 0) + +MARKUPMAP(acronym, New_HyperText, 0) + +MARKUPMAP(address, New_HyperText, roles::GROUPING) + +MARKUPMAP(article, New_HyperText, roles::ARTICLE, Attr(xmlroles, article)) + +MARKUPMAP(aside, New_HyperText, roles::LANDMARK) + +MARKUPMAP(blockquote, New_HyperText, roles::BLOCKQUOTE) + +MARKUPMAP( + button, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLButtonAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP( + caption, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + if (aContext->IsTable()) { + dom::HTMLTableElement* tableEl = + dom::HTMLTableElement::FromNode(aContext->GetContent()); + if (tableEl && tableEl == aElement->GetParent() && + tableEl->GetCaption() == aElement) { + return new HTMLCaptionAccessible(aElement, aContext->Document()); + } + } + return nullptr; + }, + 0) + +MARKUPMAP(code, New_HyperText, roles::CODE) + +MARKUPMAP(dd, New_HTMLDtOrDd<HyperTextAccessible>, roles::DEFINITION) + +MARKUPMAP(del, New_HyperText, roles::CONTENT_DELETION) + +MARKUPMAP(details, New_HyperText, roles::DETAILS) + +MARKUPMAP(dfn, New_HyperText, roles::TERM) + +MARKUPMAP(dialog, New_HyperText, roles::DIALOG) + +MARKUPMAP( + div, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + // Never create an accessible if we're part of an anonymous + // subtree. + if (aElement->IsInNativeAnonymousSubtree()) { + return nullptr; + } + // Always create an accessible if the div has an id. + if (aElement->HasAttr(nsGkAtoms::id)) { + return new HyperTextAccessible(aElement, aContext->Document()); + } + // Never create an accessible if the div is not display:block; or + // display:inline-block or the like. + nsIFrame* f = aElement->GetPrimaryFrame(); + if (!f || !f->IsBlockFrameOrSubclass()) { + return nullptr; + } + // Check for various conditions to determine if this is a block + // break and needs to be rendered. + // If its previous sibling is an inline element, we probably want + // to break, so render. + // FIXME: This looks extremely incorrect in presence of shadow DOM, + // display: contents, and what not. + nsIContent* prevSibling = aElement->GetPreviousSibling(); + if (prevSibling) { + nsIFrame* prevSiblingFrame = prevSibling->GetPrimaryFrame(); + if (prevSiblingFrame && prevSiblingFrame->IsInlineOutside()) { + return new HyperTextAccessible(aElement, aContext->Document()); + } + } + // Now, check the children. + nsIContent* firstChild = aElement->GetFirstChild(); + if (firstChild) { + nsIFrame* firstChildFrame = firstChild->GetPrimaryFrame(); + if (!firstChildFrame) { + // The first child is invisible, but this might be due to an + // invisible text node. Try the next. + firstChild = firstChild->GetNextSibling(); + if (!firstChild) { + // If there's no next sibling, there's only one child, so there's + // nothing more we can do. + return nullptr; + } + firstChildFrame = firstChild->GetPrimaryFrame(); + } + // Check to see if first child has an inline frame. + if (firstChildFrame && firstChildFrame->IsInlineOutside()) { + return new HyperTextAccessible(aElement, aContext->Document()); + } + nsIContent* lastChild = aElement->GetLastChild(); + MOZ_ASSERT(lastChild); + if (lastChild != firstChild) { + nsIFrame* lastChildFrame = lastChild->GetPrimaryFrame(); + if (!lastChildFrame) { + // The last child is invisible, but this might be due to an + // invisible text node. Try the next. + lastChild = lastChild->GetPreviousSibling(); + MOZ_ASSERT(lastChild); + if (lastChild == firstChild) { + return nullptr; + } + lastChildFrame = lastChild->GetPrimaryFrame(); + } + // Check to see if last child has an inline frame. + if (lastChildFrame && lastChildFrame->IsInlineOutside()) { + return new HyperTextAccessible(aElement, aContext->Document()); + } + } + } + return nullptr; + }, + roles::SECTION) + +MARKUPMAP( + dl, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLListAccessible(aElement, aContext->Document()); + }, + roles::DEFINITION_LIST) + +MARKUPMAP(dt, New_HTMLDtOrDd<HTMLLIAccessible>, roles::TERM) + +MARKUPMAP(em, New_HyperText, roles::EMPHASIS) + +MARKUPMAP( + figcaption, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLFigcaptionAccessible(aElement, aContext->Document()); + }, + roles::CAPTION) + +MARKUPMAP( + figure, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLFigureAccessible(aElement, aContext->Document()); + }, + roles::FIGURE, Attr(xmlroles, figure)) + +MARKUPMAP( + fieldset, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLGroupboxAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP( + form, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLFormAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP( + footer, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLHeaderOrFooterAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP( + header, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLHeaderOrFooterAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP(h1, New_HyperText, roles::HEADING) + +MARKUPMAP(h2, New_HyperText, roles::HEADING) + +MARKUPMAP(h3, New_HyperText, roles::HEADING) + +MARKUPMAP(h4, New_HyperText, roles::HEADING) + +MARKUPMAP(h5, New_HyperText, roles::HEADING) + +MARKUPMAP(h6, New_HyperText, roles::HEADING) + +MARKUPMAP(hgroup, New_HyperText, roles::GROUPING) + +MARKUPMAP( + hr, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLHRAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP( + input, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + // TODO(emilio): This would be faster if it used + // HTMLInputElement's already-parsed representation. + if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, + nsGkAtoms::checkbox, eIgnoreCase)) { + return new CheckboxAccessible(aElement, aContext->Document()); + } + if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, + nsGkAtoms::image, eIgnoreCase)) { + return new HTMLButtonAccessible(aElement, aContext->Document()); + } + if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, + nsGkAtoms::radio, eIgnoreCase)) { + return new HTMLRadioButtonAccessible(aElement, aContext->Document()); + } + if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, + nsGkAtoms::time, eIgnoreCase)) { + return new HTMLDateTimeAccessible<roles::TIME_EDITOR>( + aElement, aContext->Document()); + } + if (aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, + nsGkAtoms::date, eIgnoreCase) || + aElement->AttrValueIs(kNameSpaceID_None, nsGkAtoms::type, + nsGkAtoms::datetime_local, eIgnoreCase)) { + return new HTMLDateTimeAccessible<roles::DATE_EDITOR>( + aElement, aContext->Document()); + } + return nullptr; + }, + 0) + +MARKUPMAP(ins, New_HyperText, roles::CONTENT_INSERTION) + +MARKUPMAP( + label, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLLabelAccessible(aElement, aContext->Document()); + }, + roles::LABEL) + +MARKUPMAP( + legend, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLLegendAccessible(aElement, aContext->Document()); + }, + roles::LABEL) + +MARKUPMAP( + li, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + // If list item is a child of accessible list then create an + // accessible for it unconditionally by tag name. nsBlockFrame + // creates the list item accessible for other elements styled as + // list items. + if (aContext->IsList() && + aContext->GetContent() == aElement->GetParent()) { + return new HTMLLIAccessible(aElement, aContext->Document()); + } + + return nullptr; + }, + 0) + +MARKUPMAP(main, New_HyperText, roles::LANDMARK) + +MARKUPMAP(map, nullptr, roles::TEXT_CONTAINER) + +MARKUPMAP(mark, New_HyperText, roles::MARK, Attr(xmlroles, mark)) + +MARKUPMAP( + menu, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLListAccessible(aElement, aContext->Document()); + }, + roles::LIST) + +MARKUPMAP(nav, New_HyperText, roles::LANDMARK) + +MARKUPMAP( + ol, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLListAccessible(aElement, aContext->Document()); + }, + roles::LIST) + +MARKUPMAP( + option, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLSelectOptionAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP( + optgroup, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLSelectOptGroupAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP( + output, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLOutputAccessible(aElement, aContext->Document()); + }, + roles::STATUSBAR, Attr(aria_live, polite)) + +MARKUPMAP(p, nullptr, roles::PARAGRAPH) + +MARKUPMAP( + progress, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLProgressAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP(q, New_HyperText, 0) + +MARKUPMAP(s, New_HyperText, roles::CONTENT_DELETION) + +MARKUPMAP( + section, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLSectionAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP(strong, New_HyperText, roles::STRONG) + +MARKUPMAP(sub, New_HyperText, roles::SUBSCRIPT) + +MARKUPMAP( + summary, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLSummaryAccessible(aElement, aContext->Document()); + }, + roles::SUMMARY) + +MARKUPMAP(sup, New_HyperText, roles::SUPERSCRIPT) + +MARKUPMAP( + table, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLTableAccessible(aElement, aContext->Document()); + }, + roles::TABLE) + +MARKUPMAP(time, New_HyperText, roles::TIME, Attr(xmlroles, time), + AttrFromDOM(datetime, datetime)) + +MARKUPMAP(tbody, nullptr, roles::GROUPING) + +MARKUPMAP( + td, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + if (!aContext->IsHTMLTableRow()) { + return nullptr; + } + if (aElement->HasAttr(nsGkAtoms::scope)) { + return new HTMLTableHeaderCellAccessible(aElement, + aContext->Document()); + } + return new HTMLTableCellAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP(tfoot, nullptr, roles::GROUPING) + +MARKUPMAP( + th, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + if (!aContext->IsHTMLTableRow()) { + return nullptr; + } + return new HTMLTableHeaderCellAccessible(aElement, aContext->Document()); + }, + 0) + +MARKUPMAP(thead, nullptr, roles::GROUPING) + +MARKUPMAP( + tr, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + if (aContext->IsTableRow()) { + // A <tr> within a row isn't valid. + return nullptr; + } + const nsRoleMapEntry* roleMapEntry = aria::GetRoleMap(aElement); + if (roleMapEntry && roleMapEntry->role != roles::NOTHING && + roleMapEntry->role != roles::ROW) { + // There is a valid ARIA role which isn't "row". Don't treat this as an + // HTML table row. + return nullptr; + } + // Check if this <tr> is within a table. We check the grandparent because + // it might be inside a rowgroup. We don't specifically check for an HTML + // table because there are cases where there is a <tr> inside a + // <div role="table"> such as Monorail. + if (aContext->IsTable() || + (aContext->LocalParent() && aContext->LocalParent()->IsTable())) { + return new HTMLTableRowAccessible(aElement, aContext->Document()); + } + return nullptr; + }, + roles::ROW) + +MARKUPMAP( + ul, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLListAccessible(aElement, aContext->Document()); + }, + roles::LIST) + +MARKUPMAP( + meter, + [](Element* aElement, LocalAccessible* aContext) -> LocalAccessible* { + return new HTMLMeterAccessible(aElement, aContext->Document()); + }, + roles::METER) + +MARKUPMAP(search, New_HyperText, roles::LANDMARK) |