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// Copyright 2018 The Chromium Authors
// 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/functional/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 "content/common/background_fetch/background_fetch_types.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(blink::mojom::BackgroundFetchError,
scoped_refptr<BackgroundFetchRequestInfo>)>;
StartNextPendingRequestTask(
DatabaseTaskHost* host,
const BackgroundFetchRegistrationId& registration_id,
NextRequestCallback callback);
StartNextPendingRequestTask(const StartNextPendingRequestTask&) = delete;
StartNextPendingRequestTask& operator=(const StartNextPendingRequestTask&) =
delete;
~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 DidStoreActiveRequest(blink::ServiceWorkerStatusCode status);
void DidDeletePendingRequest(blink::ServiceWorkerStatusCode status);
void FinishWithError(blink::mojom::BackgroundFetchError error) override;
BackgroundFetchRegistrationId registration_id_;
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_;
scoped_refptr<BackgroundFetchRequestInfo> next_request_;
base::WeakPtrFactory<StartNextPendingRequestTask> weak_factory_{
this}; // Keep as last.
};
} // namespace background_fetch
} // namespace content
#endif // CONTENT_BROWSER_BACKGROUND_FETCH_STORAGE_START_NEXT_PENDING_REQUEST_TASK_H_
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