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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 #include "content/browser/background_fetch/background_fetch_job_controller.h" |
| 6 |
| 7 #include <string> |
| 8 #include <vector> |
| 9 |
| 10 #include "base/bind.h" |
| 11 #include "base/memory/ptr_util.h" |
| 12 #include "content/public/browser/browser_context.h" |
| 13 #include "content/public/browser/browser_thread.h" |
| 14 #include "content/public/browser/download_manager.h" |
| 15 #include "content/public/browser/storage_partition.h" |
| 16 |
| 17 namespace content { |
| 18 |
| 19 BackgroundFetchJobController::BackgroundFetchJobController( |
| 20 BrowserContext* browser_context, |
| 21 StoragePartition* storage_partition) |
| 22 : browser_context_(browser_context), |
| 23 storage_partition_(storage_partition) {} |
| 24 |
| 25 BackgroundFetchJobController::~BackgroundFetchJobController() = default; |
| 26 |
| 27 void BackgroundFetchJobController::ProcessJob( |
| 28 const std::string& job_guid, |
| 29 BackgroundFetchJobData* job_data) { |
| 30 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 31 DCHECK(job_data); |
| 32 const BackgroundFetchRequestInfo& fetch_request = |
| 33 job_data->GetNextBackgroundFetchRequestInfo(); |
| 34 ProcessRequest(job_guid, fetch_request); |
| 35 |
| 36 // Currently this only supports jobs of size 1. |
| 37 // TODO(crbug.com/692544) |
| 38 DCHECK(!job_data->HasRequestsRemaining()); |
| 39 |
| 40 // TODO(harkness): Save the BackgroundFetchJobData so that when the download |
| 41 // completes we can notify the DataManager. |
| 42 } |
| 43 |
| 44 void BackgroundFetchJobController::ProcessRequest( |
| 45 const std::string& job_guid, |
| 46 const BackgroundFetchRequestInfo& fetch_request) { |
| 47 // First add the new request to the internal map tracking in-progress |
| 48 // requests. |
| 49 fetch_map_[job_guid] = fetch_request; |
| 50 |
| 51 // TODO(harkness): Check if the download is already in progress or completed. |
| 52 |
| 53 // Send the fetch request to the DownloadManager. |
| 54 std::unique_ptr<DownloadUrlParameters> params( |
| 55 base::MakeUnique<DownloadUrlParameters>( |
| 56 fetch_request.url(), storage_partition_->GetURLRequestContext())); |
| 57 // TODO(harkness): Currently this is the only place the browser_context is |
| 58 // used. Evaluate whether we can just pass in the download manager explicitly. |
| 59 BrowserContext::GetDownloadManager(browser_context_) |
| 60 ->DownloadUrl(std::move(params)); |
| 61 } |
| 62 |
| 63 } // namespace content |
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