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POFirefox extension not working
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  1. POFirefox extension not working
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    copied!<p>I've created a Firefox extension but I can't use it (nothing happens). Does someone know why ?</p> <p>The module hierarchy</p> <p>my_firefox_extension</p> <ul> <li>chrome.manifest</li> <li>install.rdf</li> <li>chrome/ <ul> <li>content/ <ul> <li>locale.html</li> <li>overlay.js</li> <li>sample.xul</li> </ul></li> </ul></li> </ul> <p>The code </p> <p>chrome.manifest</p> <pre><code>content firefox_extension chrome/content/ overlay chrome://browser/content/browser.xul chrome://firefox_extension/content/sample.xul </code></pre> <p>install.rdf</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#"&gt; &lt;Description about="urn:mozilla:install-manifest"&gt; &lt;em:id&gt;displaypages@bruno.com&lt;/em:id&gt; &lt;em:name&gt;Display the page locale&lt;/em:name&gt; &lt;em:description&gt;Welcome to this extension that displays the page locale when a user opens a new tab or windows&lt;/em:description&gt; &lt;em:version&gt;0.1&lt;/em:version&gt; &lt;em:creator&gt;Bruno Da Silva&lt;/em:creator&gt; &lt;em:homepageURL&gt;https://www.example.com&lt;/em:homepageURL&gt; &lt;em:type&gt;2&lt;/em:type&gt; &lt;!-- Mozilla Firefox --&gt; &lt;em:targetApplication&gt; &lt;Description&gt; &lt;em:id&gt;{ec8030f7-c20a-464f-9b0e-13a3a9e97384}&lt;/em:id&gt; &lt;em:minVersion&gt;3.0&lt;/em:minVersion&gt; &lt;em:maxVersion&gt;4.0.*&lt;/em:maxVersion&gt; &lt;/Description&gt; &lt;/em:targetApplication&gt; &lt;/Description&gt; &lt;/RDF&gt; </code></pre> <p>sample.xul</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;overlay id="firefox_extension-browser-overlay" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"&gt; &lt;script type="application/x-javascript" src="chrome://firefox_extension/content/overlay.js"/&gt; &lt;/overlay&gt; </code></pre> <p>overlay.js</p> <pre><code>function Read(file) { var ioService=Components.classes["@mozilla.org/network/io-service;1"] .getService(Components.interfaces.nsIIOService); var scriptableStream=Components .classes["@mozilla.org/scriptableinputstream;1"] .getService(Components.interfaces.nsIScriptableInputStream); var channel=ioService.newChannel(file,null,null); var input=channel.open(); scriptableStream.init(input); var str=scriptableStream.read(input.available()); scriptableStream.close(); input.close(); return str; } gBrowser.addEventListener("DOMContentLoaded", function(e) { var documentElement = e.originalTarget.defaultView.document; var div = documentElement.createElement("div"); div.innerHTML = Read("chrome://firefox_extension/content/locale.html"); documentElement.body.appendChild(div); }); </code></pre> <p>locale.html</p> <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fr" &gt; &lt;head&gt; &lt;title&gt;Page displayed when a user opens a new tab or window&lt;/title&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /&gt; &lt;/head&gt; &lt;body&gt; &lt;p&gt;Some text&lt;p&gt; &lt;/body&gt; &lt;/html&gt; </code></pre>
 

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