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1 // Copyright 2017 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_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_DATA_H_ | |
6 #define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_DATA_H_ | |
7 | |
8 #include <string> | |
9 #include <unordered_map> | |
10 | |
11 #include "base/macros.h" | |
12 #include "content/browser/background_fetch/background_fetch_request_info.h" | |
13 #include "content/common/content_export.h" | |
14 #include "content/public/browser/download_interrupt_reasons.h" | |
15 #include "content/public/browser/download_item.h" | |
16 #include "url/origin.h" | |
17 | |
18 namespace content { | |
19 | |
20 // The BackgroundFetchJobData class provides the interface from the | |
21 // JobController to the data storage in the DataManager. It has a reference | |
22 // to the DataManager and invokes calls given the stored batch_guid. | |
23 class CONTENT_EXPORT BackgroundFetchJobData { | |
24 public: | |
25 explicit BackgroundFetchJobData(BackgroundFetchRequestInfos& request_infos); | |
26 ~BackgroundFetchJobData(); | |
27 | |
28 // Called by the JobController to inform the JobData that the given fetch | |
29 // has been updated. The JobData returns a boolean indicating whether there | |
30 // are more requests to process. | |
31 bool UpdateBackgroundFetchRequestState( | |
32 const std::string& fetch_guid, | |
33 DownloadItem::DownloadState state, | |
34 DownloadInterruptReason interrupt_reason); | |
35 | |
36 // Called by the JobController to get a BackgroundFetchRequestInfo to | |
37 // process. | |
38 const BackgroundFetchRequestInfo& GetNextBackgroundFetchRequestInfo(); | |
39 | |
40 // Indicates whether all requests have been handed to the JobController. | |
41 bool HasRequestsRemaining() const; | |
42 | |
43 // Indicates whether all requests have been handed out and completed. | |
44 bool IsComplete() const; | |
45 | |
46 // Inform the JobData of the GUID the DownloadManager assigned to this | |
47 // request. | |
48 void SetRequestDownloadGuid(const std::string& request_guid, | |
49 const std::string& download_guid); | |
50 | |
51 private: | |
52 BackgroundFetchRequestInfos& request_infos_; | |
53 | |
54 // Map from fetch_guid to index in request_infos_. Only currently | |
55 // outstanding requests should be in this map. | |
56 std::unordered_map<std::string, int> request_info_index_; | |
57 size_t next_request_info_ = 0; | |
58 | |
59 DISALLOW_COPY_AND_ASSIGN(BackgroundFetchJobData); | |
60 }; | |
61 | |
62 } // namespace content | |
63 | |
64 #endif // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_DATA_H_ | |
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