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1 // Copyright 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 #ifndef CHROME_BROWSER_COMPONENT_UPDATER_BACKGROUND_DOWNLOADER_WIN_H_ | |
6 #define CHROME_BROWSER_COMPONENT_UPDATER_BACKGROUND_DOWNLOADER_WIN_H_ | |
7 | |
8 #include "chrome/browser/component_updater/crx_downloader.h" | |
9 #include <windows.h> | |
cpu_(ooo_6.6-7.5)
2013/12/05 19:32:43
I think you need a space between 8 and 9, I am not
Sorin Jianu
2013/12/05 22:34:36
Done.
| |
10 #include <bits.h> | |
11 #include "base/strings/string16.h" | |
12 #include "base/timer/timer.h" | |
13 #include "base/win/scoped_comptr.h" | |
14 | |
15 namespace component_updater { | |
16 | |
17 // Implements a downloader in terms of the BITS service. The public interface | |
18 // of this class and the CrxDownloader overrides are expected to be called | |
19 // from the UI thread. The rest of the class code runs on the FILE thread in | |
20 // a single threaded apartment. | |
21 class BackgroundDownloader : public CrxDownloader { | |
22 protected: | |
23 friend class CrxDownloader; | |
24 BackgroundDownloader(scoped_ptr<CrxDownloader> successor, | |
25 net::URLRequestContextGetter* context_getter, | |
26 scoped_refptr<base::SequencedTaskRunner> task_runner, | |
27 const DownloadCallback& download_callback); | |
28 virtual ~BackgroundDownloader(); | |
29 | |
30 private: | |
31 // Overrides for CrxDownloader. | |
32 virtual void DoStartDownload(const GURL& url) OVERRIDE; | |
33 | |
34 // Called asynchronously on the FILE thread at different stages during | |
35 // the download. |OnDownloading| can be called multiple times. | |
36 void BeginDownload(const GURL& url); | |
37 void OnDownloading(); | |
38 void EndDownload(HRESULT hr); | |
39 | |
40 // Handles the job state transitions to a final state. | |
41 void OnStateTransferred(); | |
42 void OnStateError(); | |
43 void OnStateCancelled(); | |
44 void OnStateAcknowledged(); | |
45 | |
46 HRESULT QueueBitsJob(const GURL& url); | |
47 HRESULT CreateOrOpenJob(const GURL& url); | |
48 HRESULT InitializeNewJob(const GURL& url); | |
49 | |
50 HRESULT InstallJobObserver(); | |
51 HRESULT RemoveJobObserver(); | |
52 | |
53 static HRESULT CleanupStaleJobs( | |
54 base::win::ScopedComPtr<IBackgroundCopyManager> bits_manager); | |
55 | |
56 net::URLRequestContextGetter* context_getter_; | |
57 scoped_refptr<base::SequencedTaskRunner> task_runner_; | |
58 | |
59 scoped_ptr<base::OneShotTimer<BackgroundDownloader> > timer_; | |
60 | |
61 base::win::ScopedComPtr<IBackgroundCopyManager> bits_manager_; | |
62 | |
63 base::win::ScopedComPtr<IBackgroundCopyJob> job_; | |
64 base::win::ScopedComPtr<IBackgroundCopyCallback> job_observer_; | |
65 | |
66 bool is_completed_; | |
67 | |
68 DISALLOW_COPY_AND_ASSIGN(BackgroundDownloader); | |
69 }; | |
70 | |
71 } // namespace component_updater | |
72 | |
73 #endif // CHROME_BROWSER_COMPONENT_UPDATER_BACKGROUND_DOWNLOADER_WIN_H_ | |
74 | |
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