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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_DESTINATION_OBSERVER_H_ | |
6 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_DESTINATION_OBSERVER_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "content/public/browser/download_interrupt_reasons.h" | |
11 | |
12 namespace content { | |
13 | |
14 // Class that receives asynchronous events from a DownloadDestination about | |
15 // downloading progress and completion. These should report status when the | |
16 // data arrives at its final location; i.e. DestinationUpdate should be | |
17 // called after the destination is finished with whatever operation it | |
18 // is doing on the data described by |bytes_so_far| and DestinationCompleted | |
19 // should only be called once that is true for all data. | |
20 // | |
21 // All methods must be invoked on the UI thread. | |
jam
2012/08/06 18:16:37
nit: since the content api's documentation is for
Randy Smith (Not in Mondays)
2012/08/10 20:09:00
Done.
| |
22 // | |
23 // Note that this interface does not deal with cross-thread lifetime issues. | |
24 class DownloadDestinationObserver { | |
25 public: | |
26 virtual void DestinationUpdate(int64 bytes_so_far, | |
27 int64 bytes_per_sec, | |
28 const std::string& hash_state) = 0; | |
29 | |
30 virtual void DestinationError(DownloadInterruptReason reason) = 0; | |
31 | |
32 virtual void DestinationCompleted(const std::string& final_hash) = 0; | |
33 }; | |
34 | |
35 } // namespace content | |
36 | |
37 #endif // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_OBSERVER_H_ | |
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