| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_BACKGROUND_FETCH_STORAGE_START_NEXT_PENDING_REQUEST_TASK_H_ |
| #define CONTENT_BROWSER_BACKGROUND_FETCH_STORAGE_START_NEXT_PENDING_REQUEST_TASK_H_ |
| |
| #include "base/callback_forward.h" |
| #include "content/browser/background_fetch/background_fetch.pb.h" |
| #include "content/browser/background_fetch/background_fetch_request_info.h" |
| #include "content/browser/background_fetch/storage/database_task.h" |
| #include "third_party/blink/public/common/service_worker/service_worker_status_code.h" |
| |
| namespace content { |
| |
| namespace background_fetch { |
| |
| // Gets a pending request for a given registration, and moves it |
| // to an active state. |
| class StartNextPendingRequestTask : public DatabaseTask { |
| public: |
| using NextRequestCallback = |
| base::OnceCallback<void(scoped_refptr<BackgroundFetchRequestInfo>)>; |
| |
| StartNextPendingRequestTask( |
| BackgroundFetchDataManager* data_manager, |
| int64_t service_worker_registration_id, |
| std::unique_ptr<proto::BackgroundFetchMetadata> metadata, |
| NextRequestCallback callback); |
| |
| ~StartNextPendingRequestTask() override; |
| |
| // DatabaseTask implementation: |
| void Start() override; |
| |
| private: |
| void GetPendingRequests(); |
| |
| void DidGetPendingRequests(const std::vector<std::string>& data, |
| blink::ServiceWorkerStatusCode status); |
| |
| void DidFindActiveRequest(const std::vector<std::string>& data, |
| blink::ServiceWorkerStatusCode status); |
| |
| void CreateAndStoreActiveRequest(); |
| |
| void DidStoreActiveRequest(blink::ServiceWorkerStatusCode status); |
| |
| void StartDownload(); |
| |
| void DidDeletePendingRequest(blink::ServiceWorkerStatusCode status); |
| |
| int64_t service_worker_registration_id_; |
| std::unique_ptr<proto::BackgroundFetchMetadata> metadata_; |
| NextRequestCallback callback_; |
| |
| // protos don't support move semantics, so these class members will be used |
| // to avoid unnecessary copying within callbacks. |
| proto::BackgroundFetchPendingRequest pending_request_; |
| proto::BackgroundFetchActiveRequest active_request_; |
| |
| base::WeakPtrFactory<StartNextPendingRequestTask> |
| weak_factory_; // Keep as last. |
| |
| DISALLOW_COPY_AND_ASSIGN(StartNextPendingRequestTask); |
| }; |
| |
| } // namespace background_fetch |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_BACKGROUND_FETCH_STORAGE_START_NEXT_PENDING_REQUEST_TASK_H_ |