- From: Mercurial notifier <cvsmail@w3.org>
- Date: Fri, 13 Jul 2012 06:59:11 +0000
- To: public-dap-commits@w3.org
changeset: 148:4eb2d21b8cb3
user: Marcos Caceres <w3c@marcosc.com>
date: Fri Jul 13 07:30:20 2012 +0100
files: light/Overview.html temperature/Overview.html
description:
first unofficial draft
diff -r d3d022460d6f -r 4eb2d21b8cb3 light/Overview.html
--- a/light/Overview.html Thu Jul 12 23:12:01 2012 -0700
+++ b/light/Overview.html Fri Jul 13 07:30:20 2012 +0100
@@ -7,7 +7,7 @@
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diff -r d3d022460d6f -r 4eb2d21b8cb3 temperature/Overview.html
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/temperature/Overview.html Fri Jul 13 07:30:20 2012 +0100
@@ -0,0 +1,193 @@
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>Ambient Temperature Events</title>
+ <meta charset="utf-8"/>
+ <script src='http://www.w3.org/Tools/respec/respec-w3c-common' class='remove'></script>
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+ editors: [
+ { name: "Marcos Cáceres", company: "W3C Invited Expert", companyURL: "http://datadriven.com.au" },
+ { name: "Balaji N.V", company: "Samsung Electronics", companyURL: "http://samsung.com" }
+ ],
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+ </head>
+<body>
+ <section id="abstract">
+ This specification defines a means to receive events that correspond to changes in
+ ambient temperature.
+ </section>
+
+ <section id="sotd">
+
+ </section>
+
+ <section class="informative">
+ <h2>Introduction</h2>
+ <p>
+ The <a>AmbientTemperatureEvent</a> interface provides web developers
+ information about the ambient temperature levels near the hosting device.
+ </p>
+ <p>
+ This is achieved by interrogating a thermometer or similar detectors
+ of a device.
+ </p>
+ </section>
+
+ <section id="conformance">
+ <p>
+ This specification defines conformance criteria that apply to a single
+ product: the <dfn>user agent</dfn> that implements the
+ interfaces that it contains.
+ </p>
+ </section>
+
+ <section>
+ <h2>Terminology</h2>
+ <p>
+ The <code><a href="http://dev.w3.org/html5/spec/webappapis.html#eventhandler">
+ EventHandler</a></code> interface represents a <a href="http://www.w3.org/TR/WebIDL/#idl-callback-functions">callback function</a> used for <a href="http://dev.w3.org/html5/spec/webappapis.html#event-handlers">event
+ handlers</a> as defined in [[!HTML5]]. </p>
+ <p>
+ The concepts <dfn><a href="http://dev.w3.org/html5/spec/webappapis.html#queue-a-task">
+ queue a task</a></dfn> and
+ <dfn><a href="http://dev.w3.org/html5/spec/webappapis.html#fire-a-simple-event">
+ fires a simple event</a></dfn> are defined in [[!HTML5]].
+ </p>
+ <p>
+ The terms <dfn><a href="http://dev.w3.org/html5/spec/webappapis.html#event-handlers">
+ event handlers</a></dfn> and
+ <dfn><a href="http://dev.w3.org/html5/spec/webappapis.html#event-handler-event-type">
+ event handler event types</a></dfn> are defined in [[!HTML5]].
+ </p>
+ <p>The concepts <dfn>
+ <a href="http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#constructing-events">
+ create an event</a></dfn> and <dfn>
+ <a href="http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#firing-events">
+ fire an event</a></dfn> are defined in [[!DOM4]].
+ <p>
+ The <dfn>current temperature</dfn> is a value that represents the
+ ambient temperature in degrees Celsius.
+ </p>
+ </section>
+
+ <section>
+ <h2>Security and privacy considerations</h2>
+ <p>
+ </p>
+ </section>
+
+ <section>
+ <h2>Temperature</h2>
+ <p>
+ The HTML5 specification [[!HTML5]] defines a <a>Window</a> interface,
+ which this specification extends:
+ </p>
+ <dl title="partial interface Window" class="idl">
+ <dt>attribute EventHandler onambienttemp</dt>
+ <dd>
+ </dd>
+ </dl>
+ <p>
+ The <code>onambienttemp</code> event handler and its corresponding
+ event handler event type <code>ambienttemperature</code> MUST be supported
+ as an IDL attribute by all objects implementing the <a>Window</a>
+ interface.
+ </p>
+ <section>
+ <h2><a>AmbientTemperatureEvent</a> Interface</h2>
+ <dl title="[Constructor (DOMString type, optional AmbientTemperatureEventInit eventInitDict)]
+ interface AmbientTemperatureEvent : Event"
+ class="idl" data-merge='AmbientTemperatureEventInit'>
+ <dt>readonly attribute double value</dt>
+ <dd>
+ The <a>current ambient temperature</a>.
+ </dd>
+ </dl>
+ <dl title="dictionary AmbientTempEventInit : EventInit" class='idl'>
+ <dt>
+ double value
+ </dt>
+ <dd></dd>
+ </dl>
+ <p>
+ When a <dfn>user agent</dfn> is required to <dfn>fire an ambient temperature event</dfn>, the <dfn>user agent</dfn> MUST run the
+ following steps:
+ </p>
+ <ol class="rule">
+ <li>
+ <a>Create an event</a> that uses the <a>AmbientTemperatureEvent</a>
+ interface, with the name <code>ambienttemperature</code>, which
+ bubbles, is not cancelable, and has no default action, that also
+ meets the following conditions:
+ <ol>
+ <li>
+ If the implementation is unable to report the <a>current
+ ambient temperature</a>, initialize the <code>value</code>
+ attribute to positive Infinity, otherwise initialize the
+ attribute to the <a>current ambient temperature</a>.
+ </li>
+ </ol>
+ </li>
+ <li>
+ <a>Queue a task</a> to dispatch the newly created event at the
+ <a>Window</a> object.
+ </li>
+ </ol>
+ <p>
+ When the <a>current temperature</a> changes, the <a>user
+ agent</a> MUST <a>fire a ambient temperature event</a>.
+ </p>
+ <div class="note">
+ The definition of granularity i.e. how often the event is fired is
+ left to the implementation. Implementations may fire the event if
+ they have reason to believe that the page does not have sufficiently
+ fresh data.
+ </div>
+ <section>
+ <h2>Event handlers</h2>
+ <p>
+ The following are the <a>event handlers</a> (and their corresponding
+ <a>event handler event types</a>) that MUST be supported as
+ attributes by the <code>Window</code> object:
+ </p>
+ <table class="simple">
+ <thead>
+ <tr>
+ <th>event handler</th>
+ <th>event handler event type</th>
+ </tr>
+ </thead>
+ <tbody>
+ <tr>
+ <td><strong><code>onambienttemp</code></strong></td>
+ <td><code>ambienttemperature</code></td>
+ </tr>
+ </tbody>
+ </table>
+ </section>
+ </section>
+ </section>
+
+ <section class="appendix">
+ <h2> </h2>
+</section>
+</body>
+</html>
Received on Friday, 13 July 2012 06:59:28 UTC