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Issue899 accname from heading #1018

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Issue899 accname from heading #1018

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ec71e9c
initial proposal for accessible name from heading
jongund Jul 21, 2019
f73203e
added dialog and alertdialog
jongund Jul 21, 2019
7e1aa61
Merge branch 'master' into issue899-accname-from-heading
jongund Jul 31, 2019
8547f5e
added nesting restrictions for naming and added region as a potential…
jongund Jul 31, 2019
5cc0b84
updated defintion of region role authoring practices
jongund Aug 1, 2019
ddf5ee3
updated defintion of region role authoring practices
jongund Aug 1, 2019
dfe9ff9
updated defintion of region role authoring practices
jongund Aug 1, 2019
75c7b5d
updated definition of name from heading definition
jongund Aug 1, 2019
1c5da0e
removed main element from list and restricted heading ro be first child
jongund Aug 1, 2019
f5206e6
made the heading naming technique adpatable to requirements of naming…
jongund Aug 2, 2019
aea75f6
added restructoin to only naming nearest ancestor
jongund Aug 2, 2019
487fb4f
clarified first descentant element with role heading using depth firs…
jongund Aug 2, 2019
5ceb223
Apply suggestions from code review
cookiecrook Sep 16, 2022
10b90f5
testing whitespace cruft correction in the GH interface
cookiecrook Sep 16, 2022
cd7cc12
m. test whitespace diff correction
cookiecrook Sep 16, 2022
c03c01d
Apply suggestions from code review
cookiecrook Sep 16, 2022
6d88243
m. missed one errant whitespace diff
cookiecrook Sep 16, 2022
932765b
Apply suggestions from code review
cookiecrook Oct 8, 2022
14c1f8e
pulling inessentials out of the diff before re-requesting reviews
cookiecrook Oct 8, 2022
fca0262
extra whitespace included in new line
cookiecrook Oct 8, 2022
0b6697b
deleting excess
cookiecrook Oct 8, 2022
455274f
m. ed nit
cookiecrook Jan 25, 2023
6fd2836
m. ed
cookiecrook Jan 25, 2023
c852c8f
remove namefrom: encapsulation
cookiecrook Jan 25, 2023
51af51b
remove namefrom: legend
cookiecrook Jan 25, 2023
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16 changes: 15 additions & 1 deletion common/script/aria.js
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Expand Up @@ -267,6 +267,7 @@ require(["core/pubsubhub"], function( respecEvents ) {
var fromContent = "";
var fromEncapsulation = "";
var fromLegend = "";
var fromHeading = "";
var fromProhibited = "";

$.each(document.querySelectorAll("rdef"), function(i,item) {
Expand Down Expand Up @@ -363,7 +364,10 @@ require(["core/pubsubhub"], function( respecEvents ) {
}
if (node.textContent.indexOf("legend") !== -1) {
fromLegend += "<li><a href=\"#" + pnID + "\" class=\"role-reference\"><code>" + content + "</code></a>" + req + "</li>";
}
}
if (node.textContent.indexOf("heading") !== -1) {
fromHeading += "<li><a href=\"#" + pnID + "\" class=\"role-reference\"><code>" + content + "</code></a>" + req + "</li>";
}
});
}
if (container.nodeName.toLowerCase() == "div") {
Expand Down Expand Up @@ -562,6 +566,16 @@ require(["core/pubsubhub"], function( respecEvents ) {
parentNode.replaceChild(list, node);
}

node = document.getElementById("index_fromheading");
if (node) {
parentNode = node.parentNode;
list = document.createElement("ul");
list.id = "index_fromheading";
list.className = "compact";
list.innerHTML = fromHeading;
parentNode.replaceChild(list, node);
}

node = document.getElementById("index_fromprohibited");
if (node) {
parentNode = node.parentNode;
Expand Down
53 changes: 43 additions & 10 deletions index.html
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Expand Up @@ -532,8 +532,7 @@ <h3>Accessible Name Calculation</h3>
<ol>
<li>author: name comes from values provided by the author in explicit markup features such as the <pref>aria-label</pref> attribute, the <pref>aria-labelledby</pref> attribute, or the host language labeling mechanism, such as the <code>alt</code> or <code>title</code> attributes in <abbr title="Hypertext Markup Language">HTML</abbr>, with HTML <code>title</code> attribute having the lowest precedence for specifying a text alternative.</li>
<li>contents: name comes from the text value of the <a>element</a> node. Although this may be allowed in addition to "author" in some <a>roles</a>, this is used in content only if higher priority "author" features are not provided. Priority is defined by the <a href="https://www.w3.org/TR/accname-aam-1.1/#mapping_additional_nd_te">accessible name and description computation</a> algorithm. [[ACCNAME-1.1]]</li>
<li>encapsulation: name comes from the text value of the <a>element</a> node with role <code>label</code> that is the closest ancestor. Although "encapsulation" may be allowed in addition to "author" and "contents" in some <a>roles</a>, "encapsulation" is used only if higher priority "author" features are not provided. Priority is defined by the <a href="https://www.w3.org/TR/accname-aam-1.1/#mapping_additional_nd_te">accessible name and description computation</a> algorithm. [[ACCNAME-1.1]]</li>
<li>legend: name comes from the text value of the first descendant <a>element</a> node with the role of <code>legend</code>. Although "legend" may be allowed in addition to "author" in some <a>roles</a>, "legend" is used in content only if higher priority "author" features are not provided. Priority is defined by the <a href="https://www.w3.org/TR/accname-aam-1.1/#mapping_additional_nd_te">accessible name and description computation</a> algorithm. [[ACCNAME-1.1]]</li>
<li>heading: name comes from the text value of the first descendant (i.e., depth first) <a>element</a> node with the role of <code>heading</code>. Although "heading" may be allowed in addition to "author" in some <a>roles</a>, "heading" is used in content only if higher priority "author" features are not provided. Priority is defined by the <a href="https://www.w3.org/TR/accname-aam-1.1/#mapping_additional_nd_te">accessible name and description computation</a> algorithm. [[ACCNAME-1.1]]</li>
<li>prohibited: the element has no name. Authors MUST NOT use the <pref>aria-label</pref> or <pref>aria-labelledby</pref> attributes to name the element.</li>
</ol>
</dd>
Expand Down Expand Up @@ -564,6 +563,11 @@ <h4>Roles Supporting Name from Encapsulation</h4>
<div id="index_fromencapsulation">
</div>
</section>
<section id="namefromheading">
<h4>Roles Supporting Name from Heading</h4>
<div id="index_fromheading">
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</div>
</section>
<section id="namefromlegend">
<h4>Roles Supporting Name from Legend</h4>
<div id="index_fromlegend">
Expand Down Expand Up @@ -915,7 +919,12 @@ <h2>Definition of Roles</h2>
</tr>
<tr>
<th class="role-namefrom-head" scope="row">Name From:</th>
<td class="role-namefrom">author</td>
<td class="role-namefrom">
<ul>
<li>author</li>
<li>heading</li>
</ul>
</td>
</tr>
<tr>
<th class="role-namerequired-head" scope="row">Accessible Name Required:</th>
Expand Down Expand Up @@ -1091,7 +1100,12 @@ <h2>Definition of Roles</h2>
</tr>
<tr>
<th class="role-namefrom-head" scope="row">Name From:</th>
<td class="role-namefrom">author</td>
<td class="role-namefrom">
<ul>
<li>author</li>
<li>heading</li>
</ul>
</td>
</tr>
<tr>
<th class="role-namerequired-head" scope="row">Accessible Name Required:</th>
Expand Down Expand Up @@ -2361,7 +2375,12 @@ <h2>Definition of Roles</h2>
</tr>
<tr>
<th class="role-namefrom-head" scope="row">Name From:</th>
<td class="role-namefrom">author</td>
<td class="role-namefrom">
<ul>
<li>author</li>
<li>heading</li>
</ul>
</td>
</tr>
<tr>
<th class="role-namerequired-head" scope="row">Accessible Name Required:</th>
Expand Down Expand Up @@ -2697,7 +2716,6 @@ <h2>Definition of Roles</h2>
<div class="role-description">
<p>A dialog is a descendant window of the primary window of a web application. For <abbr title="Hypertext Markup Language">HTML</abbr> pages, the primary application window is the entire web document, i.e., the <code>body</code> element.</p>
<p>Dialogs are most often used to prompt the user to enter or respond to information. A dialog that is designed to interrupt workflow is usually modal. See related <rref>alertdialog</rref>.</p>
<p>Authors SHOULD provide a dialog label, which can be done with the <pref>aria-label</pref> or <pref>aria-labelledby</pref> attribute.</p>
<p>Authors SHOULD ensure that all dialogs (both modal and non-modal) have at least one focusable descendant element. Authors SHOULD focus an element in the modal dialog when it is displayed, and authors SHOULD manage focus of modal dialogs.</p>
<p class="note">In the description of this role, the term "web application" does not refer to the <rref>application</rref> role, which specifies specific assistive technology behaviors.</p>
</div>
Expand Down Expand Up @@ -2752,7 +2770,12 @@ <h2>Definition of Roles</h2>
</tr>
<tr>
<th class="role-namefrom-head" scope="row">Name From:</th>
<td class="role-namefrom">author</td>
<td class="role-namefrom">
<ul>
<li>author</li>
<li>heading</li>
</ul>
</td>
</tr>
<tr>
<th class="role-namerequired-head" scope="row">Accessible Name Required:</th>
Expand Down Expand Up @@ -5644,7 +5667,12 @@ <h4>Plain HTML or Polyfill DOM Result of the MathML Quadratic Formula</h4>
</tr>
<tr>
<th class="role-namefrom-head" scope="row">Name From:</th>
<td class="role-namefrom">author</td>
<td class="role-namefrom">
<ul>
<li>author</li>
<li>heading</li>
</ul>
</td>
</tr>
<tr>
<th class="role-namerequired-head" scope="row">Accessible Name Required:</th>
Expand Down Expand Up @@ -6549,7 +6577,7 @@ <h5>Presentational Roles Conflict Resolution</h5>
<div class="role-description">
<p>A perceivable <rref>section</rref> containing content that is relevant to a specific, author-specified purpose and sufficiently important that users will likely want to be able to navigate to the section easily and to have it listed in a summary of the page. Such a page summary could be generated dynamically by a user agent or assistive technology.</p>
<p>Authors SHOULD limit use of the region role to sections containing content with a purpose that is not accurately described by one of the other <rref>landmark</rref> roles, such as <rref>main</rref>, <rref>complementary</rref>, or <rref>navigation</rref>.</p>
<p>Authors MUST give each element with role region a brief label that describes the purpose of the content in the region. Authors SHOULD reference a visible label with <pref>aria-labelledby</pref> if a visible label is present. Authors SHOULD include the label inside of a heading whenever possible. The heading MAY be an instance of the standard host language heading element or an instance of an element with role <rref>heading</rref>.</p>
<p>Authors MUST give each element with a region role a brief label that describes the purpose of the region. For host languages that support elements with the default role of region (e.g., HTML <code>section</code>), authors would need to specify an explicit <code>role="region"</code> on the element to enable the nameFrom: heading technique.</p>
<p><a>Assistive technologies</a> SHOULD enable users to quickly navigate to elements with role region. Mainstream <a>user agents</a> MAY enable users to quickly navigate to elements with role region.</p>
</div>
<table class="role-features">
Expand Down Expand Up @@ -6605,7 +6633,12 @@ <h5>Presentational Roles Conflict Resolution</h5>
</tr>
<tr>
<th class="role-namefrom-head" scope="row">Name From:</th>
<td class="role-namefrom">author</td>
<td class="role-namefrom">
<ul>
<li>author</li>
<li>heading</li>
</ul>
</td>
</tr>
<tr>
<th class="role-namerequired-head" scope="row">Accessible Name Required:</th>
Expand Down