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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_CONTROLLER_H_ | 5 #ifndef CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_CONTROLLER_H_ |
6 #define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_CONTROLLER_H_ | 6 #define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_CONTROLLER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 #include <unordered_map> | 10 #include <unordered_map> |
11 | 11 |
12 #include "base/callback.h" | 12 #include "base/callback.h" |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
15 #include "content/common/content_export.h" | 15 #include "content/common/content_export.h" |
16 #include "content/public/browser/download_item.h" | 16 #include "content/public/browser/download_item.h" |
17 | 17 |
18 namespace content { | 18 namespace content { |
19 | 19 |
20 class BackgroundFetchJobData; | 20 class BackgroundFetchDataManager; |
21 class BackgroundFetchRequestInfo; | 21 class BackgroundFetchRequestInfo; |
22 class BrowserContext; | 22 class BrowserContext; |
23 class StoragePartition; | 23 class StoragePartition; |
24 | 24 |
25 // The JobController will be responsible for coordinating communication with the | 25 // The JobController will be responsible for coordinating communication with the |
26 // DownloadManager. It will get requests from the JobData and dispatch them to | 26 // DownloadManager. It will get requests from the DataManager and dispatch them |
27 // the DownloadManager. It lives entirely on the IO thread. | 27 // to the DownloadManager. It lives entirely on the IO thread. |
28 class CONTENT_EXPORT BackgroundFetchJobController | 28 class CONTENT_EXPORT BackgroundFetchJobController |
29 : public DownloadItem::Observer { | 29 : public DownloadItem::Observer { |
30 public: | 30 public: |
31 BackgroundFetchJobController(const std::string& job_guid, | 31 BackgroundFetchJobController(const std::string& job_guid, |
32 BrowserContext* browser_context, | 32 BrowserContext* browser_context, |
33 StoragePartition* storage_partition, | 33 StoragePartition* storage_partition, |
34 std::unique_ptr<BackgroundFetchJobData> job_data, | 34 BackgroundFetchDataManager* data_manager, |
35 base::OnceClosure completed_closure); | 35 base::OnceClosure completed_closure); |
36 ~BackgroundFetchJobController() override; | 36 ~BackgroundFetchJobController() override; |
37 | 37 |
38 // Start processing on a batch of requests. Some of these may already be in | 38 // Start processing on a batch of requests. Some of these may already be in |
39 // progress or completed from a previous chromium instance. | 39 // progress or completed from a previous chromium instance. |
40 void StartProcessing(); | 40 void StartProcessing(); |
41 | 41 |
42 // Called by the BackgroundFetchContext when the system is shutting down. | 42 // Called by the BackgroundFetchContext when the system is shutting down. |
43 void Shutdown(); | 43 void Shutdown(); |
44 | 44 |
45 private: | 45 private: |
46 // DownloadItem::Observer methods. | 46 // DownloadItem::Observer methods. |
47 void OnDownloadUpdated(DownloadItem* item) override; | 47 void OnDownloadUpdated(DownloadItem* item) override; |
48 void OnDownloadDestroyed(DownloadItem* item) override; | 48 void OnDownloadDestroyed(DownloadItem* item) override; |
49 | 49 |
50 // Callback passed to the DownloadManager which will be invoked once the | 50 // Callback passed to the DownloadManager which will be invoked once the |
51 // download starts. | 51 // download starts. |
52 void DownloadStarted(const std::string& request_guid, | 52 void DownloadStarted(const std::string& request_guid, |
53 DownloadItem* item, | 53 DownloadItem* item, |
54 DownloadInterruptReason reason); | 54 DownloadInterruptReason reason); |
55 | 55 |
56 void ProcessRequest(const BackgroundFetchRequestInfo& request); | 56 void ProcessRequest(const BackgroundFetchRequestInfo& request); |
57 | 57 |
| 58 std::string job_guid_; |
| 59 |
58 // Pointer to the browser context. The BackgroundFetchJobController is owned | 60 // Pointer to the browser context. The BackgroundFetchJobController is owned |
59 // by the BrowserContext via the StoragePartition. | 61 // by the BrowserContext via the StoragePartition. |
60 // TODO(harkness): Currently this is only used to lookup the DownloadManager. | 62 // TODO(harkness): Currently this is only used to lookup the DownloadManager. |
61 // Investigate whether the DownloadManager should be passed instead. | 63 // Investigate whether the DownloadManager should be passed instead. |
62 BrowserContext* browser_context_; | 64 BrowserContext* browser_context_; |
63 | 65 |
64 // Pointer to the storage partition. This object is owned by the partition | 66 // Pointer to the storage partition. This object is owned by the partition |
65 // (through a sequence of other classes). | 67 // (through a sequence of other classes). |
66 StoragePartition* storage_partition_; | 68 StoragePartition* storage_partition_; |
67 | 69 |
68 // The JobData which talks to the DataManager for this job_guid. | 70 // The DataManager's lifetime is controlled by the BackgroundFetchContext and |
69 std::unique_ptr<BackgroundFetchJobData> job_data_; | 71 // will be kept alive until after the JobController is destroyed. |
| 72 BackgroundFetchDataManager* data_manager_; |
70 | 73 |
71 // Callback for when all fetches have been completed. | 74 // Callback for when all fetches have been completed. |
72 base::OnceClosure completed_closure_; | 75 base::OnceClosure completed_closure_; |
73 | 76 |
74 // Map from the GUID assigned by the DownloadManager to the request_guid. | 77 // Map from the GUID assigned by the DownloadManager to the request_guid. |
75 std::unordered_map<std::string, std::string> download_guid_map_; | 78 std::unordered_map<std::string, std::string> download_guid_map_; |
76 | 79 |
77 base::WeakPtrFactory<BackgroundFetchJobController> weak_ptr_factory_; | 80 base::WeakPtrFactory<BackgroundFetchJobController> weak_ptr_factory_; |
78 | 81 |
79 DISALLOW_COPY_AND_ASSIGN(BackgroundFetchJobController); | 82 DISALLOW_COPY_AND_ASSIGN(BackgroundFetchJobController); |
80 }; | 83 }; |
81 | 84 |
82 } // namespace content | 85 } // namespace content |
83 | 86 |
84 #endif // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_CONTROLLER_H_ | 87 #endif // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_JOB_CONTROLLER_H_ |
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