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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Webworker spec says that the worker global object is called self. That's | 5 // Webworker spec says that the worker global object is called self. That's |
6 // a terrible name since we use it all over the chrome codebase to capture | 6 // a terrible name since we use it all over the chrome codebase to capture |
7 // the 'this' keyword in lambdas. | 7 // the 'this' keyword in lambdas. |
8 var global = self; | 8 var global = self; |
9 | 9 |
10 // All of these scripts could be imported with a single call to importScripts, | 10 // All of these scripts could be imported with a single call to importScripts, |
11 // but then load and compile time errors would all be reported from the same | 11 // but then load and compile time errors would all be reported from the same |
12 // line. | 12 // line. |
13 importScripts('metadata_parser.js'); | 13 importScripts('metadata_parser.js'); |
14 importScripts('byte_reader.js'); | 14 importScripts('byte_reader.js'); |
| 15 importScripts('../util.js'); |
15 | 16 |
16 /** | 17 /** |
17 * Dispatches metadata requests to the correct parser. | 18 * Dispatches metadata requests to the correct parser. |
18 */ | 19 */ |
19 function MetadataDispatcher() { | 20 function MetadataDispatcher() { |
20 // Make sure to ipdate component_extension_resources.grd | 21 // Make sure to ipdate component_extension_resources.grd |
21 // when adding new parsers. | 22 // when adding new parsers. |
22 importScripts('exif_parser.js'); | 23 importScripts('exif_parser.js'); |
23 importScripts('image_parsers.js'); | 24 importScripts('image_parsers.js'); |
24 importScripts('mpeg_parser.js'); | 25 importScripts('mpeg_parser.js'); |
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205 // Reuse the last step from the standard sequence. | 206 // Reuse the last step from the standard sequence. |
206 steps[steps.length - 1] | 207 steps[steps.length - 1] |
207 ]; | 208 ]; |
208 } | 209 } |
209 | 210 |
210 nextStep(); | 211 nextStep(); |
211 }; | 212 }; |
212 | 213 |
213 var dispatcher = new MetadataDispatcher(); | 214 var dispatcher = new MetadataDispatcher(); |
214 global.onmessage = dispatcher.onMessage.bind(dispatcher); | 215 global.onmessage = dispatcher.onMessage.bind(dispatcher); |
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