- From: poot <cvsmail@w3.org>
- Date: Tue, 22 Sep 2009 07:33:22 +0900 (JST)
- To: public-html-diffs@w3.org
hixie: Add replaceState() to let people update the state without adding
billions of entries to the session history (whatwg r3933)
http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.3094&r2=1.3095&f=h
http://html5.org/tools/web-apps-tracker?from=3932&to=3933
===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.3094
retrieving revision 1.3095
diff -u -d -r1.3094 -r1.3095
--- Overview.html 21 Sep 2009 11:09:16 -0000 1.3094
+++ Overview.html 21 Sep 2009 22:32:50 -0000 1.3095
@@ -48289,6 +48289,7 @@
void <a href="#dom-history-back" title="dom-history-back">back</a>();
void <a href="#dom-history-forward" title="dom-history-forward">forward</a>();
void <a href="#dom-history-pushstate" title="dom-history-pushState">pushState</a>(in any data, in DOMString title, optional in DOMString url);
+ void <a href="#dom-history-replacestate" title="dom-history-replaceState">replaceState</a>(in any data, in DOMString title, optional in DOMString url);
void <a href="#dom-history-clearstate" title="dom-history-clearState">clearState</a>();
};</pre><dl class="domintro"><dt><var title="">window</var> . <code title="dom-history"><a href="#dom-history">history</a></code> . <code title="dom-history-length"><a href="#dom-history-length">length</a></code></dt>
@@ -48338,6 +48339,14 @@
</dd>
+ <dt><var title="">window</var> . <code title="dom-history"><a href="#dom-history">history</a></code> . <code title="dom-history-pushState"><a href="#dom-history-pushstate">pushState</a></code>(<var title="">data</var>, <var title="">title</var> [, <var title="">url</var> ] )</dt>
+
+ <dd>
+
+ <p>Updates the current entry in the session histor to have the given data, title, and, if provided, URL.</p>
+
+ </dd>
+
<dt><var title="">window</var> . <code title="dom-history"><a href="#dom-history">history</a></code> . <code title="dom-history-clearState"><a href="#dom-history-clearstate">clearState</a></code>()</dt>
<dd>
@@ -48419,7 +48428,11 @@
</table><hr><p>The <dfn id="dom-history-pushstate" title="dom-history-pushState"><code>pushState(<var title="">data</var>, <var title="">title</var>, <var title="">url</var>)</code></dfn> method adds a state object to the
history.</p>
- <p>When this method is invoked, the user agent must run the following steps:</p>
+ <p>The <dfn id="dom-history-replacestate" title="dom-history-replaceState"><code>replaceState(<var title="">data</var>, <var title="">title</var>, <var title="">url</var>)</code></dfn> method updates the <a href="#current-entry">current
+ entry</a> in the history to have a state object.</p>
+
+ <p>When either of these methods are invoked, the user agent must run
+ the following steps:</p>
<ol><li><p>Let <var title="">clone data</var> be a <a href="#structured-clone">structured
clone</a> of the specified <var title="">data</var>. If this
@@ -48433,13 +48446,13 @@
<ol><li><a href="#resolve-a-url" title="resolve a url">Resolve</a> the value of the
third argument, relative to the <a href="#first-script">first script</a>'s <a href="#script-s-base-url" title="script's base URL">base URL</a>.</li>
- <li>If that fails, raise a <code><a href="#security_err">SECURITY_ERR</a></code> exception and
- abort the <code title="dom-history-pushState"><a href="#dom-history-pushstate">pushState()</a></code>
- steps.</li>
+ <li>If that fails, raise a <code><a href="#security_err">SECURITY_ERR</a></code> exception
+ and abort these steps.</li>
<li>Compare the resulting <a href="#absolute-url">absolute URL</a> to <a href="#the-document-s-address">the
document's address</a>. If any part of these two <a href="#url" title="URL">URLs</a> differ other than the <a href="#url-path" title="url-path"><path></a>, <a href="#url-query" title="url-query"><query></a>, and <a href="#url-fragment" title="url-fragment"><fragment></a> components, then
- raise a <code><a href="#security_err">SECURITY_ERR</a></code> exception and abort the <code title="dom-history-pushState"><a href="#dom-history-pushstate">pushState()</a></code> steps.</li>
+ raise a <code><a href="#security_err">SECURITY_ERR</a></code> exception and abort these
+ steps.</li>
</ol><p>For the purposes of the comparison in the above substeps, the
<a href="#url-path" title="url-path"><path></a> and <a href="#url-query" title="url-query"><query></a> components can only be the
@@ -48447,21 +48460,39 @@
</li>
- <li><p>Remove from the <a href="#session-history">session history</a> any entries for
- the <code>Document</code> from the entry after the <a href="#current-entry">current
- entry</a> up to the last entry in the session history that
- references the same <code>Document</code> object, if any. If the
- <a href="#current-entry">current entry</a> is the last entry in the session
- history, or if there are no entries after the <a href="#current-entry">current
- entry</a> that reference the same <code>Document</code> object,
- then no entries are removed.</li>
+ <li>
- <li><p>Add a state object entry to the session history, after the
- <a href="#current-entry">current entry</a>, with <var title="">cloned data</var> as
- the state object, the given <var title="">title</var> as the title,
- and, if the third argument is present, the <a href="#absolute-url">absolute
- URL</a> that was found earlier in this algorithm as the
- <a href="#url">URL</a> of the entry.</li>
+ <p>If the method invoked was the <code title="dom-history-pushState"><a href="#dom-history-pushstate">pushState()</a></code> method:</p>
+
+ <ol><li><p>Remove from the <a href="#session-history">session history</a> any entries for
+ the <code>Document</code> from the entry after the <a href="#current-entry">current
+ entry</a> up to the last entry in the session history that
+ references the same <code>Document</code> object, if any. If the
+ <a href="#current-entry">current entry</a> is the last entry in the session
+ history, or if there are no entries after the <a href="#current-entry">current
+ entry</a> that reference the same <code>Document</code> object,
+ then no entries are removed.</li>
+
+ <li><p>Add a state object entry to the session history, after the
+ <a href="#current-entry">current entry</a>, with <var title="">cloned data</var> as
+ the state object, the given <var title="">title</var> as the title,
+ and, if the third argument is present, the <a href="#absolute-url">absolute
+ URL</a> that was found earlier in this algorithm as the
+ <a href="#url">URL</a> of the entry.</li>
+
+ <li><p>Update the <a href="#current-entry">current entry</a> to be the this newly
+ added entry.</li>
+
+ </ol><p>Otherwise, if the method invoked was the <code title="dom-history-replaceState"><a href="#dom-history-replacestate">replaceState()</a></code> method:</p>
+
+ <ol><li><p>Update the <a href="#current-entry">current entry</a> in the session
+ history so that <var title="">cloned data</var> is the entry's
+ new state object, the given <var title="">title</var> is the new
+ title, and, if the third argument is present, the <a href="#absolute-url">absolute
+ URL</a> that was found earlier in this algorithm is the
+ entry's new <a href="#url">URL</a>.</li>
+
+ </ol></li>
<li>
@@ -48475,9 +48506,6 @@
</li>
- <li><p>Update the <a href="#current-entry">current entry</a> to be the this newly
- added entry.</li>
-
</ol><p class="note">The <var title="">title</var> is purely
advisory. User agents might use the title in the user interface.</p>
@@ -48549,7 +48577,7 @@
<dd>
- <p>Returns the information that was provided to <code title="dom-history-pushState"><a href="#dom-history-pushstate">pushState()</a></code>.</p>
+ <p>Returns the information that was provided to <code title="dom-history-pushState"><a href="#dom-history-pushstate">pushState()</a></code> or <code title="dom-history-replaceState"><a href="#dom-history-replacestate">replaceState()</a></code>.</p>
</dd>
Received on Monday, 21 September 2009 22:33:58 UTC