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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ | 5 #ifndef COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ |
6 #define COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ | 6 #define COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
| 9 #include <set> |
9 | 10 |
10 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
11 #include "components/offline_pages/background/device_conditions.h" | 12 #include "components/offline_pages/background/device_conditions.h" |
12 #include "components/offline_pages/background/offliner_policy.h" | 13 #include "components/offline_pages/background/offliner_policy.h" |
13 #include "components/offline_pages/background/request_coordinator.h" | 14 #include "components/offline_pages/background/request_coordinator.h" |
14 #include "components/offline_pages/background/request_coordinator_event_logger.h
" | 15 #include "components/offline_pages/background/request_coordinator_event_logger.h
" |
15 #include "components/offline_pages/background/request_queue.h" | 16 #include "components/offline_pages/background/request_queue.h" |
16 | 17 |
17 namespace offline_pages { | 18 namespace offline_pages { |
18 | 19 |
19 class RequestNotifier; | 20 class RequestNotifier; |
20 | 21 |
21 typedef bool (RequestPicker::*RequestCompareFunction)( | 22 typedef bool (RequestPicker::*RequestCompareFunction)( |
22 const SavePageRequest* left, const SavePageRequest* right); | 23 const SavePageRequest* left, const SavePageRequest* right); |
23 | 24 |
24 class RequestPicker { | 25 class RequestPicker { |
25 public: | 26 public: |
26 RequestPicker(RequestQueue* requestQueue, | 27 RequestPicker(RequestQueue* requestQueue, |
27 OfflinerPolicy* policy, | 28 OfflinerPolicy* policy, |
28 RequestNotifier* notifier, | 29 RequestNotifier* notifier, |
29 RequestCoordinatorEventLogger* event_logger); | 30 RequestCoordinatorEventLogger* event_logger); |
30 | 31 |
31 ~RequestPicker(); | 32 ~RequestPicker(); |
32 | 33 |
33 // Choose which request we should process next based on the current | 34 // Choose which request we should process next based on the current |
34 // conditions, and call back to the RequestCoordinator when we have one. | 35 // conditions, and call back to the RequestCoordinator when we have one. |
35 void ChooseNextRequest( | 36 void ChooseNextRequest( |
36 RequestCoordinator::RequestPickedCallback picked_callback, | 37 RequestCoordinator::RequestPickedCallback picked_callback, |
37 RequestCoordinator::RequestNotPickedCallback not_picked_callback, | 38 RequestCoordinator::RequestNotPickedCallback not_picked_callback, |
38 DeviceConditions* device_conditions); | 39 DeviceConditions* device_conditions, |
| 40 const std::set<int64_t>& disabled_requests); |
39 | 41 |
40 private: | 42 private: |
41 // Callback for the GetRequest results to be delivered. | 43 // Callback for the GetRequest results to be delivered. |
42 void GetRequestResultCallback( | 44 void GetRequestResultCallback( |
| 45 const std::set<int64_t>& disabled_requests, |
43 RequestQueue::GetRequestsResult result, | 46 RequestQueue::GetRequestsResult result, |
44 std::vector<std::unique_ptr<SavePageRequest>> results); | 47 std::vector<std::unique_ptr<SavePageRequest>> results); |
45 | 48 |
46 // Filter out requests that don't meet the current conditions. For instance, | 49 // Filter out requests that don't meet the current conditions. For instance, |
47 // if this is a predictive request, and we are not on WiFi, it should be | 50 // if this is a predictive request, and we are not on WiFi, it should be |
48 // ignored this round. | 51 // ignored this round. |
49 bool RequestConditionsSatisfied(const SavePageRequest* request); | 52 bool RequestConditionsSatisfied(const SavePageRequest* request); |
50 | 53 |
51 // Using policies, decide if the new request is preferable to the best we have | 54 // Using policies, decide if the new request is preferable to the best we have |
52 // so far. | 55 // so far. |
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98 RequestCoordinator::RequestPickedCallback picked_callback_; | 101 RequestCoordinator::RequestPickedCallback picked_callback_; |
99 // Callback for when there are no more reqeusts to pick. | 102 // Callback for when there are no more reqeusts to pick. |
100 RequestCoordinator::RequestNotPickedCallback not_picked_callback_; | 103 RequestCoordinator::RequestNotPickedCallback not_picked_callback_; |
101 // Allows us to pass a weak pointer to callbacks. | 104 // Allows us to pass a weak pointer to callbacks. |
102 base::WeakPtrFactory<RequestPicker> weak_ptr_factory_; | 105 base::WeakPtrFactory<RequestPicker> weak_ptr_factory_; |
103 }; | 106 }; |
104 | 107 |
105 } // namespace offline_pages | 108 } // namespace offline_pages |
106 | 109 |
107 #endif // COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ | 110 #endif // COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ |
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