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| 1 <!DOCTYPE html><!-- This page is a placeholder for generated extensions api doc.
Note: | 1 <!DOCTYPE html><!-- This page is a placeholder for generated extensions api doc.
Note: |
| 2 1) The <head> information in this page is significant, should be uniform | 2 1) The <head> information in this page is significant, should be uniform |
| 3 across api docs and should be edited only with knowledge of the | 3 across api docs and should be edited only with knowledge of the |
| 4 templating mechanism. | 4 templating mechanism. |
| 5 3) All <body>.innerHTML is genereated as an rendering step. If viewed in a | 5 3) All <body>.innerHTML is genereated as an rendering step. If viewed in a |
| 6 browser, it will be re-generated from the template, json schema and | 6 browser, it will be re-generated from the template, json schema and |
| 7 authored overview content. | 7 authored overview content. |
| 8 4) The <body>.innerHTML is also generated by an offline step so that this | 8 4) The <body>.innerHTML is also generated by an offline step so that this |
| 9 page may easily be indexed by search engines. | 9 page may easily be indexed by search engines. |
| 10 --><html xmlns="http://www.w3.org/1999/xhtml"><head> | 10 --><html xmlns="http://www.w3.org/1999/xhtml"><head> |
| (...skipping 152 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 163 <ul> | 163 <ul> |
| 164 <li>Browser UI | 164 <li>Browser UI |
| 165 <ul> | 165 <ul> |
| 166 <li><a href="browserAction.html">Browser Actions</a></li> | 166 <li><a href="browserAction.html">Browser Actions</a></li> |
| 167 <li><a href="contextMenus.html">Context Menus</a></li> | 167 <li><a href="contextMenus.html">Context Menus</a></li> |
| 168 <li><a href="notifications.html">Desktop Notifications</a></li
> | 168 <li><a href="notifications.html">Desktop Notifications</a></li
> |
| 169 <li><a href="omnibox.html">Omnibox</a></li> | 169 <li><a href="omnibox.html">Omnibox</a></li> |
| 170 <li><a href="options.html">Options Pages</a></li> | 170 <li><a href="options.html">Options Pages</a></li> |
| 171 <li><a href="override.html">Override Pages</a></li> | 171 <li><a href="override.html">Override Pages</a></li> |
| 172 <li><a href="pageAction.html">Page Actions</a></li> | 172 <li><a href="pageAction.html">Page Actions</a></li> |
| 173 <li><a href="themes.html">Themes</a></li> | |
| 174 </ul> | 173 </ul> |
| 175 </li> | 174 </li> |
| 176 <li>Browser Interaction | 175 <li>Browser Interaction |
| 177 <ul> | 176 <ul> |
| 178 <li><a href="bookmarks.html">Bookmarks</a></li> | 177 <li><a href="bookmarks.html">Bookmarks</a></li> |
| 179 <li><a href="cookies.html">Cookies</a></li> | 178 <li><a href="cookies.html">Cookies</a></li> |
| 180 <li><a href="events.html">Events</a></li> | 179 <li><a href="events.html">Events</a></li> |
| 181 <li><a href="history.html">History</a></li> | 180 <li><a href="history.html">History</a></li> |
| 182 <li><a href="management.html">Management</a></li> | 181 <li><a href="management.html">Management</a></li> |
| 183 <li><a href="tabs.html">Tabs</a></li> | 182 <li><a href="tabs.html">Tabs</a></li> |
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| 197 </ul> | 196 </ul> |
| 198 </li> | 197 </li> |
| 199 <li>Finishing | 198 <li>Finishing |
| 200 <ul> | 199 <ul> |
| 201 <li><a href="hosting.html">Hosting</a></li> | 200 <li><a href="hosting.html">Hosting</a></li> |
| 202 <li><a href="external_extensions.html">Other Deployment Option
s</a></li> | 201 <li><a href="external_extensions.html">Other Deployment Option
s</a></li> |
| 203 </ul> | 202 </ul> |
| 204 </li> | 203 </li> |
| 205 </ul> | 204 </ul> |
| 206 </li> | 205 </li> |
| 206 <li><h2><a href="apps.html">Packaged Apps</a></h2></li> |
| 207 <li><h2><a href="tutorials.html">Tutorials</a></h2> | 207 <li><h2><a href="tutorials.html">Tutorials</a></h2> |
| 208 <ul> | 208 <ul> |
| 209 <li><a href="tut_debugging.html">Debugging</a></li> | 209 <li><a href="tut_debugging.html">Debugging</a></li> |
| 210 <li><a href="tut_analytics.html">Google Analytics</a></li> | 210 <li><a href="tut_analytics.html">Google Analytics</a></li> |
| 211 <li><a href="tut_oauth.html">OAuth</a></li> | 211 <li><a href="tut_oauth.html">OAuth</a></li> |
| 212 </ul> | 212 </ul> |
| 213 </li> | 213 </li> |
| 214 <li><h2>Reference</h2> | 214 <li><h2>Reference</h2> |
| 215 <ul> | 215 <ul> |
| 216 <li>Formats | 216 <li>Formats |
| 217 <ul> | 217 <ul> |
| 218 <li><a href="manifest.html">Manifest Files</a></li> | 218 <li><a href="manifest.html">Manifest Files</a></li> |
| 219 <li><a href="match_patterns.html">Match Patterns</a></li> | 219 <li><a href="match_patterns.html">Match Patterns</a></li> |
| 220 <!-- <li>Packages (.crx)</li> --> | |
| 221 </ul> | 220 </ul> |
| 222 </li> | 221 </li> |
| 222 <li><a href="permission_warnings.html">Permission Warnings</a></li
> |
| 223 <li><a href="api_index.html">chrome.* APIs</a></li> | 223 <li><a href="api_index.html">chrome.* APIs</a></li> |
| 224 <li><a href="api_other.html">Other APIs</a></li> | 224 <li><a href="api_other.html">Other APIs</a></li> |
| 225 </ul> | 225 </ul> |
| 226 </li> | 226 </li> |
| 227 <li><h2><a href="samples.html">Samples</a></h2></li> | 227 <li><h2><a href="samples.html">Samples</a></h2></li> |
| 228 <div class="line"> </div> | 228 <div class="line"> </div> |
| 229 <li><h2>More</h2> | 229 <li><h2>More</h2> |
| 230 <ul> | 230 <ul> |
| 231 <li><a href="http://code.google.com/chrome/webstore/docs/index.htm
l">Chrome Web Store</a></li> | 231 <li><a href="http://code.google.com/chrome/webstore/docs/index.htm
l">Chrome Web Store</a></li> |
| 232 <li><a href="http://code.google.com/chrome/apps/docs/developers_gu
ide.html">Installable Web Apps</a></li> | 232 <li><a href="http://code.google.com/chrome/apps/docs/developers_gu
ide.html">Hosted Apps</a></li> |
| 233 <li><a href="themes.html">Themes</a></li> | 233 <li><a href="themes.html">Themes</a></li> |
| 234 </ul> | 234 </ul> |
| 235 </li> | 235 </li> |
| 236 </ul> | 236 </ul> |
| 237 </div> | 237 </div> |
| 238 <script> | 238 <script> |
| 239 initToggles(); | 239 initToggles(); |
| 240 </script> | 240 </script> |
| 241 | 241 |
| 242 <div class="g-unit" id="gc-pagecontent"> | 242 <div class="g-unit" id="gc-pagecontent"> |
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| 335 <p id="classSummary" style="display: none; "> | 335 <p id="classSummary" style="display: none; "> |
| 336 For information on how to use experimental APIs, see the <a href="expe
rimental.html">chrome.experimental.* APIs</a> page. | 336 For information on how to use experimental APIs, see the <a href="expe
rimental.html">chrome.experimental.* APIs</a> page. |
| 337 </p> | 337 </p> |
| 338 | 338 |
| 339 <!-- STATIC CONTENT PLACEHOLDER --> | 339 <!-- STATIC CONTENT PLACEHOLDER --> |
| 340 <div id="static"><div id="pageData-name" class="pageData">Autoupdating</
div> | 340 <div id="static"><div id="pageData-name" class="pageData">Autoupdating</
div> |
| 341 <div id="pageData-showTOC" class="pageData">true</div> | 341 <div id="pageData-showTOC" class="pageData">true</div> |
| 342 | 342 |
| 343 <p>We want extensions to be autoupdated for some of the same reasons as Google C
hrome itself: to incorporate bug and security fixes, add new features or perform
ance enhancements, and improve user interfaces.</p> | 343 <p>We want extensions to be autoupdated for some of the same reasons as Google C
hrome itself: to incorporate bug and security fixes, add new features or perform
ance enhancements, and improve user interfaces.</p> |
| 344 | 344 |
| 345 <p>If you distribute your extension using the <a href="https://chrome.google.com
/extensions">gallery</a>, you can <em>ignore this page</em>. You can use a web i
nterface to release updated versions of your extension.</p> | 345 <p>If you publish your extension using the <a href="https://chrome.google.com/we
bstore/developer/dashboard">Chrome Developer Dashboard</a>, you can <em>ignore t
his page</em>. You can use the dashboard to release updated versions of your ext
ension to users, as well as to the Extensions Gallery or Chrome Web Store.</p> |
| 346 | 346 |
| 347 <p>If you want to host your extension somewhere other than the gallery, keep rea
ding. | 347 <p>If you want to host your extension somewhere other than the gallery or store,
keep reading. |
| 348 You should also read <a href="hosting.html">Hosting</a> and | 348 You should also read <a href="hosting.html">Hosting</a> and |
| 349 <a href="packaging.html">Packaging</a>.</p> | 349 <a href="packaging.html">Packaging</a>.</p> |
| 350 | 350 |
| 351 | 351 |
| 352 <a name="H2-0"></a><h2>Overview</h2> | 352 <a name="H2-0"></a><h2>Overview</h2> |
| 353 <ul><li>An extension manifest may contain an "update_url" for doing update check
s.</li> | 353 <ul><li>An extension manifest may contain an "update_url" for doing update check
s.</li> |
| 354 <li>The content returned by an update check is an "update manifest" XML document
listing the latest version of an extension (or set of extensions, more on that
later).</li></ul> | 354 <li>The content returned by an update check is an "update manifest" XML document
listing the latest version of an extension (or set of extensions, more on that
later).</li></ul> |
| 355 | 355 |
| 356 <p>Every few hours, the browser will check if any installed extensions have an a
utoupdate URL. For each one, it will make a request to that URL looking for an u
pdate manifest XML file. If the update manifest mentions a version of an extensi
on that is more recent than what's installed, it will download and install the n
ew version. Similar to manual updates, the new crx must be signed with the same
private key as the currently installed version.</p> | 356 <p>Every few hours, the browser will check if any installed extensions have an a
utoupdate URL. For each one, it will make a request to that URL looking for an u
pdate manifest XML file. If the update manifest mentions a version of an extensi
on that is more recent than what's installed, it will download and install the n
ew version. Similar to manual updates, the new crx must be signed with the same
private key as the currently installed version.</p> |
| 357 | 357 |
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| 633 _uff=0; | 633 _uff=0; |
| 634 urchinTracker(); | 634 urchinTracker(); |
| 635 } | 635 } |
| 636 catch(e) {/* urchinTracker not available. */} | 636 catch(e) {/* urchinTracker not available. */} |
| 637 </script> | 637 </script> |
| 638 <!-- end analytics --> | 638 <!-- end analytics --> |
| 639 </div> | 639 </div> |
| 640 </div> <!-- /gc-footer --> | 640 </div> <!-- /gc-footer --> |
| 641 </div> <!-- /gc-container --> | 641 </div> <!-- /gc-container --> |
| 642 </body></html> | 642 </body></html> |
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