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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<link href="stable/static/css/site.css" rel="stylesheet" type="text/css">
<link href="stable/static/css/print.css" rel="stylesheet" type="text/css" media="print">
<link href="stable/static/css/prettify.css" rel="stylesheet" type="text/css">
<link href="//www.google.com/images/icons/product/chrome-16.png" rel="icon" type="image/ico">
<title>桌面通知 - chrome插件中文开发文档(非官方)</title>
</head>
<body>
<a id="top"></a>
<div id="header">{Header content}</div>
<a id="gc-topnav-anchor"></a>
<div id="gc-topnav">
<h1>chrome插件中文开发文档(非官方)</h1>
<ul id="home" class="gc-topnav-tabs">
<li id="home_link">
<a href="index.html" title="Google Chrome Extensions home page"><div>主页</div></a>
</li>
<li id="docs_link">
<a href="docs.html" title="Official Google Chrome Extensions documentation"><div>文档</div></a>
</li>
<li id="faq_link">
<a href="faq.html" title="Answers to frequently asked questions about Google Chrome Extensions"><div>常见问题</div></a>
</li>
<li id="samples_link">
<a href="samples.html" title="Sample Extensions (with source code)"><div>示例</div></a>
</li>
<li id="group_link">
<a href="http://groups.google.com/a/chromium.org/group/chromium-extensions" title="Google Chrome Extensions developer forum"><div>google群组(英文)</div></a>
</li>
<li id="so_link">
<a href="http://stackoverflow.com/questions/tagged/google-chrome-extension" title="[google-chrome-extension] tag on Stack Overflow"><div>还有问题?(英文)</div></a>
</li>
</ul>
</div>
<div id="gc-container">
<div id="gc-sidebar">
<ul
class="level1 ">
<li class="level2">
<a href="getstarted.html" class="level2 ">入门</a>
</li>
<li class="level2">
<a href="overview.html" class="level2 ">概述</a>
</li>
<li class="level2">
<a href="whats_new.html" class="level2 ">新功能</a>
</li>
<li class="level2">
<a href="devguide.html" class="level2 ">开发者指南</a>
<ul
class="level2 ">
<li class="level3">
<a class="button level3">
<span class="level3">用户界面</span>
<div class="toggleIndicator level3"></div>
</a>
<ul toggleable
class="level3 hidden">
<li class="level4">
<a href="browserAction.html" class="level4 ">浏览器按钮</a>
</li>
<li class="level4">
<a href="contextMenus.html" class="level4 ">右键菜单</a>
</li>
<li class="level4">
<a href="notifications.html" class="level4 ">桌面通知</a>
</li>
<li class="level4">
<a href="omnibox.html" class="level4 ">多功能地址栏</a>
</li>
<li class="level4">
<a href="options.html" class="level4 ">选项页面</a>
</li>
<li class="level4">
<a href="override.html" class="level4 ">代替页面</a>
</li>
<li class="level4">
<a href="pageAction.html" class="level4 ">页面按钮</a>
</li>
</ul>
</li>
<li class="level3">
<a class="button level3">
<span class="level3">浏览器交互</span>
<div class="toggleIndicator level3"></div>
</a>
<ul toggleable
class="level3 hidden">
<li class="level4">
<a href="bookmarks.html" class="level4 ">书签</a>
</li>
<li class="level4">
<a href="cookies.html" class="level4 ">Cookies</a>
</li>
<li class="level4">
<a href="devtools.html" class="level4 ">开发人员工具</a>
</li>
<li class="level4">
<a href="events.html" class="level4 ">事件</a>
</li>
<li class="level4">
<a href="history.html" class="level4 ">历史记录</a>
</li>
<li class="level4">
<a href="management.html" class="level4 ">管理</a>
</li>
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<a href="tabs.html" class="level4 ">标签页</a>
</li>
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<a href="windows.html" class="level4 ">窗口</a>
</li>
</ul>
</li>
<li class="level3">
<a class="button level3">
<span class="level3">实现</span>
<div class="toggleIndicator level3"></div>
</a>
<ul toggleable
class="level3 hidden">
<li class="level4">
<a href="a11y.html" class="level4 ">辅助功能</a>
</li>
<li class="level4">
<a href="event_pages.html" class="level4 ">事件页面</a>
</li>
<li class="level4">
<a href="contentSecurityPolicy.html" class="level4 ">内容安全策略(CSP)</a>
</li>
<li class="level4">
<a href="content_scripts.html" class="level4 ">内容脚本</a>
</li>
<li class="level4">
<a href="xhr.html" class="level4 ">跨站XMLHttpRequest</a>
</li>
<li class="level4">
<a href="i18n.html" class="level4 ">国际化</a>
</li>
<li class="level4">
<a href="messaging.html" class="level4 ">消息传递</a>
</li>
<li class="level4">
<a href="permissions.html" class="level4 ">可选权限</a>
</li>
<li class="level4">
<a href="npapi.html" class="level4 ">NPAPI插件</a>
</li>
</ul>
</li>
<li class="level3">
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</a>
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class="level3 hidden">
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</li>
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</li>
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</li>
</ul>
</li>
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<ul
class="level2 ">
<li class="level3">
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</li>
<li class="level3">
<a href="tut_debugging.html" class="level3 ">调试</a>
</li>
<li class="level3">
<a href="tut_analytics.html" class="level3 ">Google Analytics(分析)</a>
</li>
<li class="level3">
<a href="tut_oauth.html" class="level3 ">OAuth</a>
</li>
</ul>
</li>
<li class="level2">
<span class="level2">参考</span>
<ul
class="level2 ">
<li class="level3">
<a class="button level3">
<span class="level3">格式</span>
<div class="toggleIndicator level3"></div>
</a>
<ul toggleable
class="level3 hidden">
<li class="level4">
<a href="manifest.html" class="level4 ">清单文件</a>
</li>
<li class="level4">
<a href="match_patterns.html" class="level4 ">匹配表达式</a>
</li>
</ul>
</li>
<li class="level3">
<a href="permission_warnings.html" class="level3 ">权限警告</a>
</li>
<li class="level3">
<a href="api_index.html" class="level3 ">chrome.* APIs</a>
</li>
<li class="level3">
<a href="api_other.html" class="level3 ">其他APIs</a>
</li>
</ul>
</li>
<li class="level2">
<span class="level2">更多</span>
<ul
class="level2 ">
<li class="level3">
<a href="http://code.google.com/chrome/webstore/docs/index.html" class="level3 ">chrome商店</a>
</li>
<li class="level3">
<a href="http://code.google.com/chrome/apps/docs/developers_guide.html" class="level3 ">托管应用程序</a>
</li>
<li class="level3">
<a href="themes.html" class="level3 ">主题</a>
</li>
</ul>
</li>
</ul>
</div>
<div id="gc-pagecontent">
<h1 class="page_title">桌面通知</h1>
<div id="toc">
<h2>内容</h2>
<ol>
<li>
<a href=#example>例子</a>
</li>
<li>
<a href=#reference>API参考</a>
</li>
<li>
<a href=#communication>与其它视图通信</a>
</li>
<li>
<a href=#examples>更多例子</a>
</li>
</ol>
</div>
<p>
使用桌面通知来告诉用户发生了一些重要的事。通知出现在浏览器窗口的外面，如下面的截图所示，通知显示方式与位置的具体细节取决于具体平台。
</p>
<img src="stable/static/images/notification-windows.png"
width="28%" style="margin:2em 0.5em 1em; border:1px solid black;"
alt="Notifications on Microsoft Windows"/>
<img src="stable/static/images/notification-mac.png"
width="28%" style="margin:2em 0.5em 1em; border:1px solid black;"
alt="Notifications on Mac OS X"/>
<img src="stable/static/images/notification-linux.png"
width="28%" style="margin:2em 0.5em 1em; border:1px solid black;"
alt="Notifications on Ubuntu Linux"/>
<p>
您可利用一点点JavaScript代码以及可选的一个与您的扩展程序一起打包的HTML页面创建通知窗口。
</p>
<h2 id="example">例子</h2>
<p>首先在您的清单文件中声明"<code>notifications</code>"权限:</p>
<pre>
{
"name": "我的扩展程序",
"manifest_version": 2,
...
<b> "permissions": [
"notifications"
]</b>,
...
// <strong>注意：</strong> 由于<a href="http://code.google.com/p/chromium/issues/detail?id=134315">bug 134315</a>, 您必须将您希望与createNotification()
// 一起使用的所有图片声明为可以在网页中访问的资源。
<b> "web_accessible_resources": [
"48.png"
]</b>,
}
</pre>
<p>然后，使用<code>webkitNotifications</code>对象创建通知：</p>
<pre>
// <strong>注意:</strong> 没有必要调用 webkitNotifications.checkPermission().
// 声明<em>notifications</em>权限的扩展程序总是允许创建通知。
// 创建一个简单的文本通知：
var notification = webkitNotifications.createNotification(
'48.png', // 图标URL，可以是相对路径
'Hello!', // 通知标题
'Lorem ipsum...' // 通知正文文本
);
// 或者创建HTML通知：
var notification = webkitNotifications.createHTMLNotification(
'notification.html' // HTML的URL，可以是相对路径
);
// 然后显示通知。
notification.show();
</pre>
<h2 id="reference">API参考</h2>
<p>参见<a href="http://dev.chromium.org/developers/design-documents/desktop-notifications/api-specification">桌面通知规范草案（英文）</a>.</p>
<h2 id="communication">与其它视图通信</h2>
<p>
您可以使用
<a href="extension.html#method-getBackgroundPage">getBackgroundPage()</a>和
<a href="extension.html#method-getViews">getViews()</a>来实现您扩展程序中的通知与其它视图间的通信。例如：
</p>
<pre>
// 在一个通知中...
chrome.extension.getBackgroundPage().doThing();
// 来自后台页面...
chrome.extension.getViews({type:"notification"}).forEach(function(win) {
win.doOtherThing();
});
</pre>
<h2 id="examples">更多例子</h2>
<p>
您可以在
<a href="http://src.chromium.org/viewvc/chrome/trunk/src/chrome/common/extensions/docs/examples/api/notifications/">examples/api/notifications</a>
目录中找到一个使用通知的简单例子。有关其它例子以及查看源代码的帮助，请参见
<a href="samples.html">示例</a>。
</p>
<p>
另外，您也可以参见html5rocks.com（英文）上的
<a href="http://www.html5rocks.com/tutorials/notifications/quick/">通知教程</a>。
。请忽略与权限有关的代码，如果您声明了"notifications"（通知）权限它们就没有必要了。
</p>
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