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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 #include "components/offline_pages/downloads/download_notifying_observer.h" | |
| 6 | |
| 7 #include "components/offline_pages/background/request_coordinator.h" | |
| 8 #include "components/offline_pages/background/save_page_request.h" | |
| 9 #include "components/offline_pages/client_policy_controller.h" | |
| 10 #include "components/offline_pages/downloads/download_ui_adapter.h" | |
| 11 #include "components/offline_pages/downloads/offline_page_download_notifier.h" | |
| 12 | |
| 13 namespace offline_pages { | |
| 14 namespace { | |
| 15 int kUserDataKey; // Only address is used. | |
| 16 } // namespace | |
| 17 | |
| 18 DownloadNotifyingObserver::DownloadNotifyingObserver( | |
| 19 std::unique_ptr<OfflinePageDownloadNotifier> notifier, | |
| 20 ClientPolicyController* policy_controller) | |
| 21 : notifier_(std::move(notifier)), policy_controller_(policy_controller) {} | |
| 22 | |
| 23 DownloadNotifyingObserver::~DownloadNotifyingObserver() {} | |
| 24 | |
| 25 // static | |
| 26 DownloadNotifyingObserver* DownloadNotifyingObserver::GetFromRequestCoordinator( | |
| 27 RequestCoordinator* request_coordinator) { | |
| 28 DCHECK(request_coordinator); | |
| 29 return static_cast<DownloadNotifyingObserver*>( | |
| 30 request_coordinator->GetUserData(&kUserDataKey)); | |
| 31 } | |
| 32 | |
| 33 // static | |
| 34 void DownloadNotifyingObserver::CreateAndStartObserving( | |
| 35 RequestCoordinator* request_coordinator, | |
| 36 std::unique_ptr<OfflinePageDownloadNotifier> notifier) { | |
| 37 DCHECK(request_coordinator); | |
| 38 DCHECK(notifier.get()); | |
| 39 DownloadNotifyingObserver* observer = new DownloadNotifyingObserver( | |
| 40 std::move(notifier), request_coordinator->GetPolicyController()); | |
| 41 request_coordinator->AddObserver(observer); | |
| 42 // |request_coordinator| takes ownership of observer here. | |
| 43 request_coordinator->SetUserData(&kUserDataKey, observer); | |
| 44 } | |
| 45 | |
| 46 void DownloadNotifyingObserver::OnAdded(const SavePageRequest& request) { | |
| 47 DCHECK(notifier_.get()); | |
| 48 if (!IsVisibleInUI(request.client_id())) | |
| 49 return; | |
| 50 | |
| 51 // Calling Progress ensures notification is created in lieu of specific | |
| 52 // Add/Create call. | |
| 53 notifier_->NotifyDownloadProgress(DownloadUIItem(request)); | |
| 54 | |
| 55 // Now we need to update the notification if it is not active/offlining. | |
| 56 if (request.request_state() != SavePageRequest::RequestState::OFFLINING) | |
| 57 NotifyRequestStateChange(request); | |
| 58 } | |
| 59 | |
| 60 void DownloadNotifyingObserver::OnChanged(const SavePageRequest& request) { | |
| 61 DCHECK(notifier_.get()); | |
| 62 if (!IsVisibleInUI(request.client_id())) | |
| 63 return; | |
| 64 NotifyRequestStateChange(request); | |
| 65 } | |
| 66 | |
| 67 void DownloadNotifyingObserver::OnCompleted( | |
| 68 const SavePageRequest& request, | |
| 69 RequestCoordinator::BackgroundSavePageResult status) { | |
| 70 DCHECK(notifier_.get()); | |
| 71 if (!IsVisibleInUI(request.client_id())) | |
| 72 return; | |
| 73 if (status == RequestCoordinator::BackgroundSavePageResult::SUCCESS) | |
| 74 notifier_->NotifyDownloadSuccessful(DownloadUIItem(request)); | |
| 75 else if (status == RequestCoordinator::BackgroundSavePageResult::REMOVED) | |
| 76 notifier_->NotifyDownloadCanceled(DownloadUIItem(request)); | |
| 77 else | |
| 78 notifier_->NotifyDownloadFailed(DownloadUIItem(request)); | |
| 79 } | |
| 80 | |
| 81 bool DownloadNotifyingObserver::IsVisibleInUI(const ClientId& page) { | |
| 82 return policy_controller_->IsSupportedByDownload(page.name_space) && | |
| 83 base::IsValidGUID(page.id); | |
| 84 } | |
| 85 | |
| 86 // Calls the appropriate notifier method depending upon the state of the | |
| 87 // request. For example, an AVAILABLE request is not active (aka, pending) | |
| 88 // which the notifier understands as an Interrupted operation vs. one that | |
| 89 // has Progress or is Paused. | |
| 90 void DownloadNotifyingObserver::NotifyRequestStateChange( | |
| 91 const SavePageRequest& request) { | |
| 92 if (request.request_state() == SavePageRequest::RequestState::PAUSED) | |
| 93 notifier_->NotifyDownloadPaused(DownloadUIItem(request)); | |
| 94 else if (request.request_state() == SavePageRequest::RequestState::AVAILABLE) | |
| 95 notifier_->NotifyDownloadInterrupted(DownloadUIItem(request)); | |
| 96 else | |
| 97 notifier_->NotifyDownloadProgress(DownloadUIItem(request)); | |
| 98 } | |
| 99 | |
| 100 } // namespace offline_pages | |
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Chromium Code Reviews
Issue 2489443002:
Move all components/offline_pages/ files into component/offline_pages/core (Closed)
