[cssom] Add getDefaultComputedStyle()

Author: Simon Pieters

cssom/Overview.html

@@ -2425,16 +2425,18 @@ <h3 id="extensions-to-the-window-interface"><span class="secno">7.2 </span>Exten
 
 
 <pre class="idl"><span class="idlInterface" id="widl-def-Window">partial interface <span class="idlInterfaceID">Window</span> {
-<span class="idlMethod">    <span class="idlMethType"><a>CSSStyleDeclaration</a></span> <span class="idlMethName"><a href="#widl-Window-getComputedStyle-CSSStyleDeclaration-Element-elt">getComputedStyle</a></span> (<span class="idlParam"><span class="idlParamType"><a>Element</a></span> <span class="idlParamName">elt</span></span>);</span>
-<span class="idlMethod">    <span class="idlMethType"><a>CSSStyleDeclaration</a></span> <span class="idlMethName"><a href="#widl-Window-getComputedStyle-CSSStyleDeclaration-Element-elt-DOMString-pseudoElt">getComputedStyle</a></span> (<span class="idlParam"><span class="idlParamType"><a>Element</a></span> <span class="idlParamName">elt</span></span>, <span class="idlParam"><span class="idlParamType"><a>DOMString</a></span> <span class="idlParamName">pseudoElt</span></span>);</span>
+<span class="idlMethod">    <span class="idlMethType"><a>CSSStyleDeclaration</a></span> <span class="idlMethName"><a href="#widl-Window-getComputedStyle-CSSStyleDeclaration-Element-elt-DOMString-pseudoElt">getComputedStyle</a></span> (<span class="idlParam"><span class="idlParamType"><a>Element</a></span> <span class="idlParamName">elt</span></span>, <span class="idlParam">optional <span class="idlParamType"><a>DOMString</a></span> <span class="idlParamName">pseudoElt</span></span>);</span>
+<span class="idlMethod">    <span class="idlMethType"><a>CSSStyleDeclaration</a></span> <span class="idlMethName"><a href="#widl-Window-getDefaultComputedStyle-CSSStyleDeclaration-Element-elt-DOMString-pseudoElt">getDefaultComputedStyle</a></span> (<span class="idlParam"><span class="idlParamType"><a>Element</a></span> <span class="idlParamName">elt</span></span>, <span class="idlParam">optional <span class="idlParamType"><a>DOMString</a></span> <span class="idlParamName">pseudoElt</span></span>);</span>
 };</span></pre>
 <dl class="methods">
-<dt class="method" id="widl-Window-getComputedStyle-CSSStyleDeclaration-Element-elt">
-<code>getComputedStyle</code> (<span class="idlParam"><span class="idlParamType"><a>Element</a></span> <span class="idlParamName">elt</span></span>), returns <span class="idlMethType"><a>CSSStyleDeclaration</a></span></dt>
 <dt class="method" id="widl-Window-getComputedStyle-CSSStyleDeclaration-Element-elt-DOMString-pseudoElt">
-<code>getComputedStyle</code> (<span class="idlParam"><span class="idlParamType"><a>Element</a></span> <span class="idlParamName">elt</span></span>, <span class="idlParam"><span class="idlParamType"><a>DOMString</a></span> <span class="idlParamName">pseudoElt</span></span>), returns <span class="idlMethType"><a>CSSStyleDeclaration</a></span></dt>
+<code>getComputedStyle</code> (<span class="idlParam"><span class="idlParamType"><a>Element</a></span> <span class="idlParamName">elt</span></span>, <span class="idlParam">optional <span class="idlParamType"><a>DOMString</a></span> <span class="idlParamName">pseudoElt</span></span>), returns <span class="idlMethType"><a>CSSStyleDeclaration</a></span></dt>
 <dd>
 <p>The <code>getComputedStyle</code> operation must run these steps:</p>    <ol>      <li><p>Let <var>doc</var> be the      <code class="external"><a href="http://dom.spec.whatwg.org/#document">Document</a></code>      associated with the <code class="external"><a href="http://dev.w3.org/html5/spec/single-page.html#window">Window</a></code> object on      which the method was invoked.</li>      <li><p>Let <var>obj</var> be <var>elt</var>.</li>      <li><p>If <var>pseudoElt</var> is as an      <a class="external" href="http://dom.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a> match for      either '<code>:before</code>' or '<code>::before</code>' let      <var>obj</var> be the '::before' pseudo-element of      <var>elt</var>.</li>      <li><p>If <var>pseudoElt</var> is as an      <a class="external" href="http://dom.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a> match for      either '<code>:after</code>' or '<code>::after</code>' let      <var>obj</var> be the '::after' pseudo-element of      <var>elt</var>.</li>      <li>       <p>Return a <a href="#css-declaration-block">CSS declaration block</a> with the       <a href="#css-declaration-block-readonly-flag">CSS declaration block readonly flag</a> set and the       <a href="#css-declaration-block-declarations">CSS declaration block declarations</a> set to all properties       the user agent supports with as value the <a href="#resolved-value">resolved value</a>       computed for <var>obj</var> using the style rules associated       with <var>doc</var>.</p>       <p class="note">This means that even if <var>obj</var> is in a       different document (e.g. one fetched via <code>XMLHttpRequest</code>) it       will still use the style rules associated with the document that is       associated with the global object on which       <code title="dom-Window-getComputedStyle">getComputedStyle()</code> was       invoked to compute the <a href="#css-declaration-block">CSS declaration block</a>.</p>      </li>    </ol>    <p class="note">Because of historical IDL limitations the <code>getComputedStyle</code> operation used to be on    a separate interface, <code>ViewCSS</code>.</dd>
+<dt class="method" id="widl-Window-getDefaultComputedStyle-CSSStyleDeclaration-Element-elt-DOMString-pseudoElt">
+<code>getDefaultComputedStyle</code> (<span class="idlParam"><span class="idlParamType"><a>Element</a></span> <span class="idlParamName">elt</span></span>, <span class="idlParam">optional <span class="idlParamType"><a>DOMString</a></span> <span class="idlParamName">pseudoElt</span></span>), returns <span class="idlMethType"><a>CSSStyleDeclaration</a></span></dt>
+<dd>
+<p>The <code>getDefaultComputedStyle</code> operation must run these steps:</p>    <ol>      <li><p>Let <var>doc</var> be the      <code class="external"><a href="http://dom.spec.whatwg.org/#document">Document</a></code>      associated with the <code class="external"><a href="http://dev.w3.org/html5/spec/single-page.html#window">Window</a></code> object on      which the method was invoked.</li>      <li><p>Let <var>obj</var> be <var>elt</var>.</li>      <li><p>If <var>pseudoElt</var> is as an      <a class="external" href="http://dom.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a> match for      either '<code>:before</code>' or '<code>::before</code>' let      <var>obj</var> be the '::before' pseudo-element of      <var>elt</var>.</li>      <li><p>If <var>pseudoElt</var> is as an      <a class="external" href="http://dom.spec.whatwg.org/#ascii-case-insensitive">ASCII case-insensitive</a> match for      either '<code>:after</code>' or '<code>::after</code>' let      <var>obj</var> be the '::after' pseudo-element of      <var>elt</var>.</li>      <li>       <p>Return a <a href="#css-declaration-block">CSS declaration block</a> with the       <a href="#css-declaration-block-readonly-flag">CSS declaration block readonly flag</a> set and the       <a href="#css-declaration-block-declarations">CSS declaration block declarations</a> set to all properties       the user agent supports with as value the computed value       for <var>obj</var> using the user agent-level style rules and user-level style       rules associated with <var>doc</var>, ignoring author-level style rules,       transitions, animations, override style sheets and presentational hints.</p>      </li>    </ol></dd>
 </dl>
 
 

cssom/idl/Window.idl

@@ -1,8 +1,6 @@
 
 partial interface Window {
 
-  CSSStyleDeclaration getComputedStyle(Element elt);
-
   [Documentation=
    "<p>The {@name} {@type} must run these steps:</p>\
     <ol>\
@@ -39,6 +37,36 @@ partial interface Window {
     <p class='note'>Because of historical IDL limitations the {@name} {@type} used to be on\
     a separate interface, <code>ViewCSS</code>.</p>"
   ]
-  CSSStyleDeclaration getComputedStyle(Element elt, DOMString pseudoElt);
+  CSSStyleDeclaration getComputedStyle(Element elt, optional DOMString pseudoElt);
 
+  [Documentation=
+   "<p>The {@name} {@type} must run these steps:</p>\
+    <ol>\
+      <li><p>Let <var>doc</var> be the\
+      <code data-anolis-spec=dom>Document</code>\
+      associated with the <code data-anolis-spec=html>Window</code> object on\
+      which the method was invoked.</p></li>\
+      <li><p>Let <var>obj</var> be <var>elt</var>.</p></li>\
+      <li><p>If <var>pseudoElt</var> is as an\
+      <span data-anolis-spec=dom>ASCII case-insensitive</span> match for\
+      either '<code>:before</code>' or '<code>::before</code>' let\
+      <var>obj</var> be the '::before' pseudo-element of\
+      <var>elt</var>.</p></li>\
+      <li><p>If <var>pseudoElt</var> is as an\
+      <span data-anolis-spec=dom>ASCII case-insensitive</span> match for\
+      either '<code>:after</code>' or '<code>::after</code>' let\
+      <var>obj</var> be the '::after' pseudo-element of\
+      <var>elt</var>.</p></li>\
+      <li>\
+       <p>Return a <span>CSS declaration block</span> with the\
+       <span>CSS declaration block readonly flag</span> set and the\
+       <span>CSS declaration block declarations</span> set to all properties\
+       the user agent supports with as value the computed value\
+       for <var>obj</var> using the user agent-level style rules and user-level style\
+       rules associated with <var>doc</var>, ignoring author-level style rules,\
+       transitions, animations, override style sheets and presentational hints.</p>\
+      </li>\
+    </ol>"
+  ]
+  CSSStyleDeclaration getDefaultComputedStyle(Element elt, optional DOMString pseudoElt);
 };