get_initialization_data_task.cc | Explore in Territory

// 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.

#include "content/browser/background_fetch/storage/get_initialization_data_task.h"

#include "base/barrier_closure.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/task_traits.h"
#include "content/browser/background_fetch/background_fetch.pb.h"
#include "content/browser/background_fetch/background_fetch_data_manager.h"
#include "content/browser/background_fetch/background_fetch_request_info.h"
#include "content/browser/background_fetch/storage/database_helpers.h"
#include "content/browser/background_fetch/storage/image_helpers.h"
#include "content/browser/background_fetch/storage/mark_registration_for_deletion_task.h"
#include "content/browser/service_worker/service_worker_context_wrapper.h"
#include "content/common/fetch/fetch_api_request_proto.h"
#include "third_party/blink/public/common/manifest/manifest.h"
#include "ui/gfx/image/image.h"
#include "url/origin.h"

namespace content {
namespace background_fetch {

namespace {

// Base class with all the common implementation for the SubTasks
// needed in this file.
class InitializationSubTask : public DatabaseTask { … };

// Fills the BackgroundFetchInitializationData with the most recent UI title.
class GetUIOptionsTask : public InitializationSubTask { … };

// Gets the number of completed fetches, the number of active fetches,
// and deletes inconsistencies in state transitions.
// 1. Get all completed requests.
// 2. Delete matching active requests.
// 3. Get active requests.
// 4. Delete matching pending requests.
class GetRequestsTask : public InitializationSubTask { … };

// Fills the BackgroundFetchInitializationData with all the relevant information
// stored in the BackgroundFetchMetadata proto.
class FillFromMetadataTask : public InitializationSubTask { … };

// Asynchronously calls the SubTasks required to collect all the information for
// the BackgroundFetchInitializationData.
class FillBackgroundFetchInitializationDataTask : public InitializationSubTask { … };

}  // namespace

BackgroundFetchInitializationData::BackgroundFetchInitializationData() =
    default;

BackgroundFetchInitializationData::BackgroundFetchInitializationData(
    BackgroundFetchInitializationData&&) = default;

BackgroundFetchInitializationData::~BackgroundFetchInitializationData() =
    default;

GetInitializationDataTask::GetInitializationDataTask(
    DatabaseTaskHost* host,
    GetInitializationDataCallback callback)
    : … { … }

GetInitializationDataTask::~GetInitializationDataTask() = default;

void GetInitializationDataTask::Start() { … }

void GetInitializationDataTask::DidGetRegistrations(
    const std::vector<std::pair<int64_t, std::string>>& user_data,
    blink::ServiceWorkerStatusCode status) { … }
void GetInitializationDataTask::FinishWithError(
    blink::mojom::BackgroundFetchError error) { … }

}  // namespace background_fetch
}  // namespace content
chromium/content/browser/background_fetch/storage/get_initialization_data_task.cc
