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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Custom bindings for the downloads API. | |
6 | |
7 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden(); | |
8 | |
9 chromeHidden.Event.registerArgumentMassager( | |
10 'downloads.onDeterminingFilename', | |
11 function massage_determining_filename(args, dispatch) { | |
12 var downloadItem = args[0]; | |
13 // Copy the id so that extensions can't change it. | |
14 var downloadId = downloadItem.id; | |
15 var suggestable = true; | |
16 function suggestCallback(result) { | |
17 if (!suggestable) { | |
18 console.error('suggestCallback may not be called more than once.'); | |
19 return; | |
20 } | |
21 suggestable = false; | |
22 if ((typeof(result) == 'object') && | |
23 result.filename && | |
24 (typeof(result.filename) == 'string') && | |
25 ((result.overwrite === undefined) || | |
26 (typeof(result.overwrite) == 'boolean'))) { | |
27 chromeHidden.internalAPIs.downloadsInternal.determineFilename( | |
28 downloadId, | |
29 result.filename, | |
30 result.overwrite || false); | |
31 } else { | |
32 chromeHidden.internalAPIs.downloadsInternal.determineFilename( | |
33 downloadId); | |
34 } | |
35 } | |
36 try { | |
37 var results = dispatch([downloadItem, suggestCallback]); | |
38 var ext_async = (results && | |
Matt Perry
2013/02/27 22:33:47
nit: extAsync
benjhayden
2013/03/01 20:42:21
Done.
| |
39 results.results && | |
40 (results.results.length != 0) && | |
41 (results.results[0] === true)); | |
42 if (suggestable && !ext_async) | |
43 suggestCallback(); | |
44 } catch (e) { | |
45 suggestCallback(); | |
46 throw e; | |
47 } | |
48 }); | |
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