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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_GET_INITIALIZATION_DATA_TASK_H_
#define CONTENT_BROWSER_BACKGROUND_FETCH_STORAGE_GET_INITIALIZATION_DATA_TASK_H_
#include <map>
#include <optional>
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "content/browser/background_fetch/background_fetch_registration_id.h"
#include "content/browser/background_fetch/storage/database_task.h"
#include "content/browser/service_worker/service_worker_info.h"
#include "content/common/background_fetch/background_fetch_types.h"
#include "content/common/content_export.h"
#include "net/base/isolation_info.h"
#include "third_party/blink/public/common/service_worker/service_worker_status_code.h"
#include "third_party/blink/public/mojom/background_fetch/background_fetch.mojom.h"
#include "third_party/skia/include/core/SkBitmap.h"
namespace content {
class BackgroundFetchRequestInfo;
namespace background_fetch {
// All the information needed to create a JobController and resume the fetch
// after start-up.
struct CONTENT_EXPORT BackgroundFetchInitializationData {
BackgroundFetchInitializationData();
BackgroundFetchInitializationData(const BackgroundFetchInitializationData&) =
delete;
BackgroundFetchInitializationData& operator=(
const BackgroundFetchInitializationData&) = delete;
BackgroundFetchInitializationData(BackgroundFetchInitializationData&&);
~BackgroundFetchInitializationData();
BackgroundFetchRegistrationId registration_id;
blink::mojom::BackgroundFetchOptionsPtr options =
blink::mojom::BackgroundFetchOptions::New();
SkBitmap icon;
blink::mojom::BackgroundFetchRegistrationDataPtr registration_data =
blink::mojom::BackgroundFetchRegistrationData::New();
size_t num_requests;
size_t num_completed_requests;
std::vector<scoped_refptr<BackgroundFetchRequestInfo>> active_fetch_requests;
std::string ui_title;
// The error, if any, when getting the registration data.
blink::mojom::BackgroundFetchError error =
blink::mojom::BackgroundFetchError::NONE;
std::optional<net::IsolationInfo> isolation_info;
};
using GetInitializationDataCallback =
base::OnceCallback<void(blink::mojom::BackgroundFetchError,
std::vector<BackgroundFetchInitializationData>)>;
// Gets all the data needed to resume fetches. The task starts by getting
// all the <ServiceWorker Registration ID, Background Fetch Unique ID>
// pairs available.
// * TODO(crbug.com/41394781): Consider persisting which SWIDs contain BGF
// info.
// Then for every Background Fetch Unique ID the required information is
// queried from the ServiceWorker Database to fill an instance of
// BackgroundFetchInitializationData.
//
// Note: All of this must run in one DatabaseTask, to ensure the
// BackgroundFetchContext is properly initialized with JobControllers before
// running any additional DatabaseTasks and reaching an incorrect state.
class GetInitializationDataTask : public DatabaseTask {
public:
using InitializationDataMap =
std::map<std::string, BackgroundFetchInitializationData>;
GetInitializationDataTask(DatabaseTaskHost* host,
GetInitializationDataCallback callback);
GetInitializationDataTask(const GetInitializationDataTask&) = delete;
GetInitializationDataTask& operator=(const GetInitializationDataTask&) =
delete;
~GetInitializationDataTask() override;
// DatabaseTask implementation:
void Start() override;
private:
void DidGetRegistrations(
const std::vector<std::pair<int64_t, std::string>>& user_data,
blink::ServiceWorkerStatusCode status);
void FinishWithError(blink::mojom::BackgroundFetchError error) override;
GetInitializationDataCallback callback_;
// Map from the unique_id to the initialization data.
InitializationDataMap initialization_data_map_;
base::WeakPtrFactory<GetInitializationDataTask> weak_factory_{
this}; // Keep as last.
};
} // namespace background_fetch
} // namespace content
#endif // CONTENT_BROWSER_BACKGROUND_FETCH_STORAGE_GET_INITIALIZATION_DATA_TASK_H_
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