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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ | |
6 #define COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ | |
7 | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "components/offline_pages/background/request_coordinator.h" | |
10 #include "components/offline_pages/background/request_queue.h" | |
11 | |
12 namespace offline_pages { | |
13 | |
14 class RequestPicker { | |
Dmitry Titov
2016/05/28 00:36:57
So the pattern of usage is:
requestPicker->Choose
Pete Williamson
2016/05/28 00:53:47
The RequestPicker is just a skeleton so far. Even
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15 public: | |
16 RequestPicker(RequestQueue* requestQueue, | |
17 RequestCoordinator::RequestPickedCallback picked_callback, | |
18 RequestCoordinator::RequestQueueEmptyCallback empty_callback); | |
19 | |
20 ~RequestPicker(); | |
21 | |
22 // Choose which request we should process next based on the current | |
23 // conditions, and call back to the RequestCoordinator when we have one. | |
24 void ChooseNextRequest(); | |
25 | |
26 private: | |
27 // Callback for the GetRequest results to be delivered. | |
28 void GetRequestResultCallback(RequestQueue::GetRequestsResult result, | |
29 const std::vector<SavePageRequest>& results); | |
30 | |
31 // unowned pointer to the request queue. | |
32 RequestQueue* queue_; | |
33 // Callback for when we are done picking a request to do next | |
dougarnett
2016/05/31 18:03:04
nit - period at end
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34 RequestCoordinator::RequestPickedCallback picked_callback_; | |
35 // Callback for when there are no more reqeusts to pick. | |
36 RequestCoordinator::RequestQueueEmptyCallback empty_callback_; | |
37 // Allows us to pass a weak pointer to callbacks. | |
38 base::WeakPtrFactory<RequestPicker> weak_ptr_factory_; | |
39 }; | |
40 | |
41 } // namespace offline_pages | |
42 | |
43 #endif // COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_ | |
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