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Issue 10832042: Extensions Docs Server: Doc conversion script (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix comment in converter.py Created 8 years, 4 months ago
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1 <h1 class="page_title">Devtools Panels</h1><p id="classSummary">
2 Use the <code>chrome.devtools.panels</code> module to integrate
3 your extension into Developer Tools window UI: create your own panels, access
4 existing panels, and add sidebars.
5 </p><p>
6 See <a href="devtools.html">DevTools APIs summary</a> for
7 general introduction to using Developer Tools APIs.
8 </p>
9 <h2>Overview</h2>
10 <p>
11 Each extension panel and sidebar is displayed as a separate HTML page. All
12 extension pages displayed in the Developer Tools window have access to all
13 modules in <code>chrome.devtools</code> API, as well as to
14 <a href="extension.html">chrome.extension</a> API. Other extension APIs are not
15 available to the pages within Developer Tools window, but you may invoke them
16 by sending a request to the background page of your extension, similarly to how
17 it's done in the <a href="overview.html#contentScripts">content scripts</a>.
18 </p><p>
19 You can use the <code><a href="#method-setOpenResourceHandler"
20 >setOpenResourceHandler()</a></code> method to install a
21 callback function that handles user requests to open a resource (typically,
22 a click on a resource link in the Developer Tools window). At most one of the
23 installed handlers gets called; users can specify (using the Developer Tools
24 Settings dialog) either the default behavior or an extension to handle resource
25 open requests. If an extension calls <code>setOpenResourceHandler()</code>
26 multiple times, only the last handler is retained.
27 </p>
28 <h2 id="overview-examples">Examples</h2>
29 <p>The following code adds a panel contained in <code>Panel.html</code>,
30 represented by <code>FontPicker.png</code> on the Developer Tools toolbar
31 and labeled as <em>Font Picker</em>:</p>
32 <pre>
33 chrome.devtools.panels.create("Font Picker",
34 "FontPicker.png",
35 "Panel.html"
36 function(panel) { ... });
37 </pre>
38 <p>The following code adds a sidebar pane contained in
39 <code>Sidebar.html</code> and titled <em>Font Properties</em> to the Elements
40 panel, then sets its height to <code>8ex</code>:
41 <pre>
42 chrome.devtools.panels.elements.createSidebarPane("Font Properties",
43 function(sidebar) {
44 sidebar.setPage("Sidebar.html");
45 sidebar.setHeight("8ex");
46 });
47 </pre>
48 <p>
49 This screenshot demonstrates the effect the above examples would have on
50 Developer Tools window:
51 <img src="{{static}}/images/devtools-panels.png"
52 style="margin-left: 20px"
53 width="686" height="289"
54 alt="Extension icon panel on DevTools toolbar" />
55 </p>
56 <p>
57 You can find examples that use this API in
58 <a href="samples.html#Chrome&#32;Query">Samples</a>.
59 </p>
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