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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>chrome.experimental.infobars - chrome插件中文开发文档(非官方)</title>
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<div id="gc-pagecontent">
<h1 class="page_title">chrome.experimental.infobars</h1>
<div id="toc">
<h2>Contents</h2>
<ol>
<li>
<a href=#manifest>Manifest</a>
</li>
<li>
<a href="#apiReference">API reference: chrome.experimental.infobars</a>
<ol>
<li><a href="#methods">Methods</a><ol> <li><a href="#method-show">show</a></li></ol></li>
<li><a href="#samples">Sample Extensions</a></li>
</ol>
</li>
</ol>
</div>
<p>
The infobars API allows you to add a
horizontal panel just above a tab's contents,
as the following screenshot shows.
</p>
<p>
<img src="stable/static/images/infobar.png"
width="566" height="150"
alt="An infobar asking whether the user wants to translate the current page" />
</p>
<p>
Use an infobar to tell the reader
something about a particular page.
When the user leaves the page for which the infobar is displayed,
Google Chrome automatically closes the infobar.
</p>
<p>
You implement the content of your
infobar using HTML. Because infobars are ordinary pages inside an extension,
they can
<a href="overview.html#pageComm">communicate with other extension pages</a>.
</p>
<h2 id="manifest">Manifest</h2>
<p>
The infobars API is currently
experimental, so you must declare the "experimental"
permission to use it. Also, you should specify
a 16x16-pixel icon for display next to your infobar.
For example:
</p>
<pre>{
"name": "Andy's infobar extension",
"version": "1.0",
<b>"permissions": ["experimental"],</b>
<b>"icons": {</b>
<b>"16": "16.png"</b>
<b>},</b>
"background": {
"scripts": ["background.js"]
}
}</pre>
<h2 id="apiReference">API Reference: chrome.experimental.infobars</h2>
<div class="api_reference">
<h3 id="methods">Methods</h3>
<div>
<h4 id="method-show">show</h4>
<div class="summary lower">
<span>chrome.experimental.infobars.show</span>(<span>object <span class="variable">details</span></span>)
</div>
<div class="description">
<p>
Shows an infobar in the specified tab. The infobar will be closed automatically when the tab navigates. Use window.close() to close the infobar before then.
</p> <h4>Parameters</h4>
<dl>
<div> <a name="property-show-details"></a> <dt> <span class="variable">details</span> <span class="property"> ( <span id="typeTemplate">object</span> ) </span> </dt> <dd> <dl> <div> <a name="property-details-tabId"></a> <dt> <span class="variable">tabId</span> <span class="property"> ( <span id="typeTemplate">integer</span> ) </span> </dt> <dd> The tab id for the tab to display the infobar in. </dd> </div> <div> <a name="property-details-path"></a> <dt> <span class="variable">path</span> <span class="property"> ( <span id="typeTemplate">string</span> ) </span> </dt> <dd> The html file that contains the infobar. </dd> </div> <div> <a name="property-details-height"></a> <dt> <span class="variable">height</span> <span class="property"> ( <span class="optional">optional</span> <span id="typeTemplate">integer</span> ) </span> </dt> <dd> The height (in pixels) of the infobar to show. If omitted, the default infobar height will be used. </dd> </div> </dl> </dd></div>
</dl>
<h4>Callback function</h4><p> If you specify the <em>callback</em> parameter, it should specify a function that looks like this:</p><pre>function(<a href="windows.html#type-Window">windows.Window</a> window) <span class="subdued">{...}</span>;</pre><dl> <div> <a name="property-callback-window"></a> <dt> <span class="variable">window</span> <span class="property"> ( <span id="typeTemplate"><a href="windows.html#type-Window">windows.Window</a></span> ) </span> </dt> <dd> Contains details about the window in which the infobar was created. </dd></div></dl>
</div>
</div>
</div>
<h2 id="samples">Sample Extensions that use chrome.experimental.infobars</h2>
<li><strong><a href="samples.html#081e9924943d411768b74e008fbd3e0b">SandwichBar</a></strong> –
Shows an infobar on pages which contain the word 'sandwich'
</li>
</div>
</div>
</body>
<script>
window.bootstrap = {
api_names: [{"name":"alarms"},{"name":"bookmarks"},{"name":"browserAction"},{"name":"browsingData"},{"name":"commands"},{"name":"contentSettings"},{"name":"contextMenus"},{"name":"cookies"},{"name":"debugger"},{"name":"declarativeWebRequest"},{"name":"devtools.inspectedWindow"},{"name":"devtools.network"},{"name":"devtools.panels"},{"name":"downloads"},{"name":"events"},{"name":"extension"},{"name":"fileBrowserHandler"},{"name":"fontSettings"},{"name":"history"},{"name":"i18n"},{"name":"idle"},{"name":"input.ime"},{"name":"management"},{"name":"omnibox"},{"name":"pageAction"},{"name":"pageCapture"},{"name":"permissions"},{"name":"privacy"},{"name":"proxy"},{"name":"runtime"},{"name":"scriptBadge"},{"name":"storage"},{"name":"tabs"},{"name":"topSites"},{"name":"tts"},{"name":"ttsEngine"},{"name":"types"},{"name":"webNavigation"},{"name":"webRequest"},{"name":"webstore"},{"last":true,"name":"windows"}].concat(
[{"name":"experimental.bluetooth"},{"name":"experimental.devtools.audits"},{"name":"experimental.devtools.console"},{"name":"experimental.discovery"},{"name":"experimental.identity"},{"name":"experimental.infobars"},{"name":"experimental.offscreenTabs"},{"name":"experimental.processes"},{"name":"experimental.record"},{"name":"experimental.speechInput"},{"name":"experimental.systemInfo.cpu"},{"name":"experimental.systemInfo.storage"},{"last":true,"name":"experimental.usb"}]),
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};
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