background_fetch_data_manager.h | Explore in Territory

// Copyright 2017 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_BACKGROUND_FETCH_DATA_MANAGER_H_
#define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_DATA_MANAGER_H_

#include <map>
#include <memory>
#include <set>
#include <string>
#include <tuple>
#include <vector>

#include "base/containers/queue.h"
#include "base/functional/callback_forward.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/sequence_checker.h"
#include "content/browser/background_fetch/background_fetch.pb.h"
#include "content/browser/background_fetch/background_fetch_registration_id.h"
#include "content/browser/background_fetch/background_fetch_scheduler.h"
#include "content/browser/background_fetch/storage/database_task.h"
#include "content/browser/background_fetch/storage/get_initialization_data_task.h"
#include "content/common/content_export.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/mojom/background_fetch/background_fetch.mojom.h"

namespace storage {
class BlobDataHandle;
class QuotaManagerProxy;
}  // namespace storage

namespace content {

class BackgroundFetchDataManagerObserver;
class BackgroundFetchRequestInfo;
class BackgroundFetchRequestMatchParams;
class ChromeBlobStorageContext;
class ServiceWorkerContextWrapper;
class StoragePartitionImpl;

// The BackgroundFetchDataManager is a wrapper around persistent storage (the
// Service Worker database), exposing APIs for the read and write queries needed
// for Background Fetch.
//
// There must only be a single instance of this class per StoragePartition, and
// it must only be used on the UI thread, since it relies on there being no
// other code concurrently reading/writing the Background Fetch keys of the same
// Service Worker database (except for deletions, e.g. it's safe for the Service
// Worker code to remove a ServiceWorkerRegistration and all its keys).
//
// Storage schema is documented in storage/README.md
class CONTENT_EXPORT BackgroundFetchDataManager
    : public background_fetch::DatabaseTaskHost { … };

}  // namespace content

#endif  // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_DATA_MANAGER_H_
chromium/content/browser/background_fetch/background_fetch_data_manager.h
