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1 <!DOCTYPE html><!-- This page is a placeholder for generated extensions api doc.
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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 |
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20 <meta name="description" content="Documentation for the chrome.experimental.me
diaGalleries module, which is part of the Google Chrome extension APIs."><title
>chrome.experimental.mediaGalleries - Google Chrome Extensions - Google Code</ti
tle></head> | 20 <meta name="description" content="Documentation for the chrome.experimental.me
diaGalleries module, which is part of the Google Chrome extension APIs."><title
>Media Galleries - Google Chrome Extensions - Google Code</title></head> |
21 <body doc-family="apps"> <link href="../css/ApiRefStyles.css" rel="stylesheet
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22 <link href="../css/prettify.css" rel="stylesheet" type="text/css"> | 22 <link href="../css/prettify.css" rel="stylesheet" type="text/css"> |
23 <link href="../css/shared.css" rel="stylesheet" type="text/css"> | 23 <link href="../css/shared.css" rel="stylesheet" type="text/css"> |
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25 You are viewing extension docs in chrome via the 'file:' scheme: are you exp
ecting to see local changes when you refresh? You'll need run chrome with --allo
w-file-access-from-files. | 25 You are viewing extension docs in chrome via the 'file:' scheme: are you exp
ecting to see local changes when you refresh? You'll need run chrome with --allo
w-file-access-from-files. |
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27 <div id="branchWarning" class="displayModeWarning"> | 27 <div id="branchWarning" class="displayModeWarning"> |
28 <span>WARNING: This is the <span id="branchName">BETA</span> documentation. | 28 <span>WARNING: This is the <span id="branchName">BETA</span> documentation. |
29 It may not work with the stable release of Chrome.</span> | 29 It may not work with the stable release of Chrome.</span> |
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150 </li> | 150 </li> |
151 <li><h2><a href="https://github.com/GoogleChrome/chrome-app-samples">S
amples</a></h2></li> | 151 <li><h2><a href="https://github.com/GoogleChrome/chrome-app-samples">S
amples</a></h2></li> |
152 <li><h2><a href="app_known_issues.html">Known Issues</a></h2></li> | 152 <li><h2><a href="app_known_issues.html">Known Issues</a></h2></li> |
153 </ul> | 153 </ul> |
154 </div> | 154 </div> |
155 <script> | 155 <script> |
156 initToggles(); | 156 initToggles(); |
157 </script> | 157 </script> |
158 <div class="g-unit" id="gc-pagecontent"> | 158 <div class="g-unit" id="gc-pagecontent"> |
159 <div id="pageTitle"> | 159 <div id="pageTitle"> |
160 <h1 class="page_title">chrome.experimental.mediaGalleries</h1> | 160 <h1 class="page_title">Media Galleries</h1> |
161 </div> | 161 </div> |
162 <!-- TABLE OF CONTENTS --> | 162 <!-- TABLE OF CONTENTS --> |
163 <div id="toc"> | 163 <div id="toc"> |
164 <h2>Contents</h2> | 164 <h2>Contents</h2> |
165 <ol> | 165 <ol> |
| 166 <li> |
| 167 <a href="#manifest">Manifest</a> |
| 168 <ol> |
| 169 </ol> |
| 170 </li> |
166 <li> | 171 <li> |
167 <a href="#apiReference">API reference: chrome.experimental.media
Galleries</a> | 172 <a href="#apiReference">API reference: chrome.experimental.media
Galleries</a> |
168 <ol> | 173 <ol> |
169 <li> | 174 <li> |
170 <a href="#global-methods">Methods</a> | 175 <a href="#global-methods">Methods</a> |
171 <ol> | 176 <ol> |
172 <li> | 177 <li> |
173 <a href="#method-assembleMediaFile">assembleMediaFile</a> | 178 <a href="#method-assembleMediaFile">assembleMediaFile</a> |
174 </li><li> | 179 </li><li> |
175 <a href="#method-extractEmbeddedThumbnails">extractEmbeddedThumb
nails</a> | 180 <a href="#method-extractEmbeddedThumbnails">extractEmbeddedThumb
nails</a> |
| 181 </li><li> |
| 182 <a href="#method-getMediaFileSystems">getMediaFileSystems</a> |
176 </li> | 183 </li> |
177 </ol> | 184 </ol> |
178 </li> | 185 </li> |
179 </ol> | 186 </ol> |
180 </li> | 187 </li> |
181 </ol> | 188 </ol> |
182 </div> | 189 </div> |
183 <!-- /TABLE OF CONTENTS --> | 190 <!-- /TABLE OF CONTENTS --> |
184 <!-- Standard content lead-in for experimental API pages --> | 191 <!-- Standard content lead-in for experimental API pages --> |
185 <p id="classSummary"> | |
186 For information on how to use experimental APIs, see the <a href="expe
rimental.html">chrome.experimental.* APIs</a> page. | |
187 </p> | |
188 <!-- STATIC CONTENT PLACEHOLDER --> | 192 <!-- STATIC CONTENT PLACEHOLDER --> |
189 <div id="static"></div> | 193 <div id="static"><div id="pageData-name" class="pageData">Media Gallerie
s</div> |
| 194 <!-- BEGIN AUTHORED CONTENT --> |
| 195 <p> |
| 196 The media galleries API allows you to access media files (images, |
| 197 video, audio) from the user's local disks (with the user's consent). |
| 198 </p> |
| 199 <p> |
| 200 Using the API, you can prompt the user for permission to access the media |
| 201 galleries. The permission dialog will contain common media locations for |
| 202 the platform and will allow the user to add additional locations. From those |
| 203 locations, only media files will be present in the file system objects. |
| 204 </p> |
| 205 <h2 id="manifest">Manifest</h2> |
| 206 <p>The media galleries API has two axes of permissions; the locations that |
| 207 can be accessed, and the type of access (read-only, read-write, add-files).</p> |
| 208 <p>On the location axis, specifying no location-type permission means that |
| 209 no media galleries are accessible until the user grants permission to |
| 210 specific media galleries at runtime using the media gallery configuration |
| 211 dialog. This dialog can be programmatically triggered. Alternatively, |
| 212 specifying the "mediaGalleriesAllGalleries" permission grants access to all |
| 213 auto-detected media galleries on the user's computer. However, this |
| 214 permission displays an install time prompt indicating that the extension |
| 215 will have access to all of the user's media files.</p> |
| 216 <p>On the access type axis, the "mediaGalleriesRead" permission grants the |
| 217 extension the right to read files. This permission does not trigger an install |
| 218 time permission prompt because the user must still grant access to particular |
| 219 galleries, either with the "mediaGalleriesAllGalleries" permission or at |
| 220 runtime by using the media gallery management dialog. For example:</p> |
| 221 <pre>{ |
| 222 "name": "My extension", |
| 223 ... |
| 224 "permissions": [ |
| 225 <b>"mediaGalleriesAllGalleries"</b> |
| 226 <b>"mediaGalleriesRead"</b> |
| 227 ], |
| 228 ... |
| 229 }</pre> |
| 230 <p>This set of permissions will trigger an install time permission prompt |
| 231 and let the extension read from all auto-detected media galleries on the |
| 232 user's computer. The user may add or remove galleries using the |
| 233 media gallery management dialog, after which the extension will be able |
| 234 to read all the media files from galleries that the user has selected.</p> |
| 235 <p>Currently "mediaGalleriesRead" is the only access type supported by |
| 236 this API. Read-write and add-file access with be implemented soon.</p> |
| 237 <!-- END AUTHORED CONTENT --> |
| 238 </div> |
190 <!-- API PAGE --> | 239 <!-- API PAGE --> |
191 <div class="apiPage"> | 240 <div class="apiPage"> |
192 <a name="apiReference"></a> | 241 <a name="apiReference"></a> |
193 <h2>API reference: chrome.experimental.mediaGalleries</h2> | 242 <h2>API reference: chrome.experimental.mediaGalleries</h2> |
194 <!-- PROPERTIES --> | 243 <!-- PROPERTIES --> |
195 <!-- /apiGroup --> | 244 <!-- /apiGroup --> |
196 <!-- METHODS --> | 245 <!-- METHODS --> |
197 <div id="methodsTemplate" class="apiGroup"> | 246 <div id="methodsTemplate" class="apiGroup"> |
198 <a name="global-methods"></a> | 247 <a name="global-methods"></a> |
199 <h3>Methods</h3> | 248 <h3>Methods</h3> |
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363 <!-- FUNCTION PARAMETERS --> | 412 <!-- FUNCTION PARAMETERS --> |
364 </div> | 413 </div> |
365 </div> | 414 </div> |
366 </dl> | 415 </dl> |
367 <!-- RETURNS --> | 416 <!-- RETURNS --> |
368 <dl> | 417 <dl> |
369 </dl> | 418 </dl> |
370 <!-- CALLBACK --> | 419 <!-- CALLBACK --> |
371 <!-- MIN_VERSION --> | 420 <!-- MIN_VERSION --> |
372 </div> <!-- /description --> | 421 </div> <!-- /description --> |
| 422 </div><div class="apiItem"> |
| 423 <a name="method-getMediaFileSystems"></a> <!-- method-anchor --> |
| 424 <h4>getMediaFileSystems</h4> |
| 425 <div class="summary"> |
| 426 <!-- Note: intentionally longer 80 columns --> |
| 427 <span>chrome.experimental.mediaGalleries.getMediaFileSystems</
span>(<span class="optional"><span>object</span> |
| 428 <var><span>details</span></var></span><span class="null"><
span>, </span><span>function</span> |
| 429 <var><span>MediaFileSystemsCallback</span></var></span>)</
div> |
| 430 <div class="description"> |
| 431 <p>Get the media galleries configured in this user agent. If non
e are configured or available, the callback will receive an empty array.</p> |
| 432 <!-- PARAMETERS --> |
| 433 <h4>Parameters</h4> |
| 434 <dl> |
| 435 <div> |
| 436 <div> |
| 437 <dt> |
| 438 <var>details</var> |
| 439 <em> |
| 440 <!-- TYPE --> |
| 441 <div style="display:inline"> |
| 442 ( |
| 443 <span class="optional">optional</span> |
| 444 <span id="typeTemplate"> |
| 445 <span> |
| 446 <span>object</span> |
| 447 </span> |
| 448 </span> |
| 449 ) |
| 450 </div> |
| 451 </em> |
| 452 </dt> |
| 453 <dd class="todo"> |
| 454 Undocumented. |
| 455 </dd> |
| 456 <!-- OBJECT PROPERTIES --> |
| 457 <dd> |
| 458 <dl> |
| 459 <div> |
| 460 <div> |
| 461 <dt> |
| 462 <var>interactive</var> |
| 463 <em> |
| 464 <!-- TYPE --> |
| 465 <div style="display:inline"> |
| 466 ( |
| 467 <span class="optional">optional</span> |
| 468 <span class="enum">enumerated</span> |
| 469 <span id="typeTemplate"> |
| 470 <span> |
| 471 <span>string</span> |
| 472 <span>["no", "yes", "if_needed"]</span> |
| 473 </span> |
| 474 </span> |
| 475 ) |
| 476 </div> |
| 477 </em> |
| 478 </dt> |
| 479 <dd>Whether to prompt the user for permission to additional media gall
eries before returning the permitted set. Default is silent. If the value 'yes'
is passed, or if the application has not been granted access to any media galle
ries and the value 'if_needed' is passed, then the media gallery configuration d
ialog will be displayed.</dd> |
| 480 <!-- OBJECT PROPERTIES --> |
| 481 <!-- OBJECT METHODS --> |
| 482 <!-- OBJECT EVENT FIELDS --> |
| 483 <!-- FUNCTION PARAMETERS --> |
| 484 </div> |
| 485 </div> |
| 486 </dl> |
| 487 </dd> |
| 488 <!-- OBJECT METHODS --> |
| 489 <!-- OBJECT EVENT FIELDS --> |
| 490 <!-- FUNCTION PARAMETERS --> |
| 491 </div> |
| 492 </div><div> |
| 493 <div> |
| 494 <dt> |
| 495 <var>MediaFileSystemsCallback</var> |
| 496 <em> |
| 497 <!-- TYPE --> |
| 498 <div style="display:inline"> |
| 499 ( |
| 500 <span id="typeTemplate"> |
| 501 <span> |
| 502 <span>function</span> |
| 503 </span> |
| 504 </span> |
| 505 ) |
| 506 </div> |
| 507 </em> |
| 508 </dt> |
| 509 <dd class="todo"> |
| 510 Undocumented. |
| 511 </dd> |
| 512 <!-- OBJECT PROPERTIES --> |
| 513 <!-- OBJECT METHODS --> |
| 514 <!-- OBJECT EVENT FIELDS --> |
| 515 <!-- FUNCTION PARAMETERS --> |
| 516 <dd> |
| 517 <div> |
| 518 <h5>Parameters</h5> |
| 519 <dl> |
| 520 <div> |
| 521 <div> |
| 522 <dt> |
| 523 <var>mediaFileSystems</var> |
| 524 <em> |
| 525 <!-- TYPE --> |
| 526 <div style="display:inline"> |
| 527 ( |
| 528 <span class="optional">optional</span> |
| 529 <span id="typeTemplate"> |
| 530 <span> |
| 531 <span> |
| 532 array of <span><span> |
| 533 <span> |
| 534 <span>LocalFileSystem</span> |
| 535 </span> |
| 536 </span></span> |
| 537 </span> |
| 538 </span> |
| 539 </span> |
| 540 ) |
| 541 </div> |
| 542 </em> |
| 543 </dt> |
| 544 <dd class="todo"> |
| 545 Undocumented. |
| 546 </dd> |
| 547 <!-- OBJECT PROPERTIES --> |
| 548 <!-- OBJECT METHODS --> |
| 549 <!-- OBJECT EVENT FIELDS --> |
| 550 <!-- FUNCTION PARAMETERS --> |
| 551 </div> |
| 552 </div> |
| 553 </dl> |
| 554 </div> |
| 555 </dd> |
| 556 </div> |
| 557 </div> |
| 558 </dl> |
| 559 <!-- RETURNS --> |
| 560 <dl> |
| 561 </dl> |
| 562 <!-- CALLBACK --> |
| 563 <!-- MIN_VERSION --> |
| 564 </div> <!-- /description --> |
373 </div> <!-- /apiItem --> | 565 </div> <!-- /apiItem --> |
374 </div> <!-- /apiGroup --> | 566 </div> <!-- /apiGroup --> |
375 <!-- EVENTS --> | 567 <!-- EVENTS --> |
376 <!-- /apiGroup --> | 568 <!-- /apiGroup --> |
377 <!-- TYPES --> | 569 <!-- TYPES --> |
378 <!-- /apiGroup --> | 570 <!-- /apiGroup --> |
379 </div> <!-- /apiPage --> | 571 </div> <!-- /apiPage --> |
380 </div> <!-- /gc-pagecontent --> | 572 </div> <!-- /gc-pagecontent --> |
381 </div> <!-- /g-section --> | 573 </div> <!-- /g-section --> |
382 </div> <!-- /codesiteContent --> | 574 </div> <!-- /codesiteContent --> |
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416 _uff=0; | 608 _uff=0; |
417 urchinTracker(); | 609 urchinTracker(); |
418 } | 610 } |
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424 </div> <!-- /gc-container --> | 616 </div> <!-- /gc-container --> |
425 </body></html> | 617 </body></html> |
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