Mozilla/extensions

Mozilla 扩展是能为 Mozilla 程序（例如 Firefox 和 Thunderbird）添加新功能的小巧的附加软件。从工具栏按钮到全新特性，它们能添加任何东西。它们允许用户定制程序，以适合自己的个性需要（如果他们需要新的特性）；同时又保持了程序的小巧，以便下载。

扩展不同于插件，插件帮助浏览器现实类似于播放多媒体文件这样的特定的内容。扩展也不同于搜索插件，搜索插件在搜索栏插入附加的搜索引擎。

简单讲，XPCOM + XUL + JavaScript + CSS = Add-ons

工具

这些开发扩展能更好的帮助开发者开发扩展：

DOM Inspector, used to inspect and edit the live DOM of any web document or XUL application (Firefox and Thunderbird)
Venkman, a JavaScript Debugger (Firefox version, Thunderbird version)
Extension Developer's Extension a suite of tools for extension development (Firefox)
Extension Test an add-on which makes it easier to detect problems which will lead to rejection by addons.mozilla.org
Console² enhanced JavaScript console (Firefox version, Thunderbird version)
Javascript Command for writing/testing javascript on Firefox windows
Chrome List navigate and view files in chrome:// (Firefox version, Thunderbird version)
Chrome Edit Plus a user file editor (Firefox and Thunderbird)
Add-on Builder a web-based application that generates an extension skeleton (Firefox, Thunderbird, and others)
Firebug a variety of development tools (Firefox)
Pentadactyl, a general purpose extension with builtin tools for extension development, including a command line with chrome JavaScript evaluation (including property and function argument completion) and the ability to demand-load external JavaScript and CSS files into window chrome.
Chromebug combines elements of a JavaScript debugger and DOM (Firefox, "kinda works for Thunderbird")
MozRepl explore and modify Firefox and other Mozilla apps while they run (Firefox and Thunderbird)
ExecuteJS an enhanced JavaScript console (Firefox version, Thunderbird version)
XPCOMViewer an XPCOM inspector (Firefox and Thunderbird)
JavaScript shells to test snippets of JavaScript (Firefox and Thunderbird)
SQLite Manager to manage the SQLite database (Firefox and Thunderbird)
ViewAbout enables access to various about: dialogs from the View menu (Firefox version, Thunderbird version )
Crash Me Now! useful for testing debug symbols and the crash reporting system (Firefox and Thunderbird)

扩展

Semantic Turkey

第一个扩展

Hello World!

完成第一个Firefox扩展: Hello World!

下载 Addon SDK，如：addon-sdk-1.0b5.tar.gz

解压到：mozilla\addon-sdk-1.0b5

然后运行 addon-sdk-1.0b5 > source bin/activate 或 addon-sdk-1.0b5> bin\activate

创建目录：mkdir huihoo, cd huihoo

然后，cfx init 会自动创建目录和相关文件，

在 data 目录下放置 huihoo.jpg, sample.html 文件，sample.html 内容如下：

 <html><body>
 <h1>Hello World</h1>
 </body></html>

修改 lib 目录下的 main.js 文件：

var self = require("self");
var panels = require("panel");
var widgets = require("widget");

function replaceHuihoo(html) {
  return html.replace("World", "Huihoo");
}
exports.replaceHuihoo = replaceHuihoo;

exports.main = function(options, callbacks) {
  console.log("My ID is " + self.id);
  var helloHTML = self.data.load("sample.html"); // 将HTML装入一个字符串中。
  helloHTML = replaceHuihoo(helloHTML); // 现在修改它。

  var myPanel = panels.Panel({    // 创建一个面板(panel)用于显示。
    contentURL: "data:text/html," + helloHTML
  });

  var iconURL = self.data.url("huihoo.jpg"); // 加载图标。

  // 创建widget显示图标，我们也将面板(panel)附加上。当我们点击widget时，panel将弹出。
  widgets.Widget({
    id: "test-widget",
    label: "Huihoo",
    contentURL: iconURL,
    panel: myPanel
  });
}

接着运行：cfx test 进行单元测试

最后运行：cfx run 你会看到 addon 出现在状态条上。

形成xpi文件：cfx xpi // huihoo.xpi

连接

<discussion>characters_max=300</discussion>

Mozilla/extensions

目录

工具

扩展

第一个扩展

连接

个人工具

名字空间

变换

查看

操作

搜索

导航

工具箱