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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_CLEANUP_TASK_H_
#define COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_CLEANUP_TASK_H_
#include <map>
#include <memory>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/offline_pages/core/background/offliner_policy_utils.h"
#include "components/offline_pages/core/background/request_queue_results.h"
#include "components/offline_pages/core/background/save_page_request.h"
#include "components/offline_pages/task/task.h"
namespace offline_pages {
class OfflinerPolicy;
class RequestCoordinatorEventLogger;
class RequestNotifier;
class RequestQueueStore;
class CleanupTask : public Task {
public:
CleanupTask(RequestQueueStore* store,
OfflinerPolicy* policy,
RequestNotifier* notifier,
RequestCoordinatorEventLogger* logger);
~CleanupTask() override;
private:
// TaskQueue::Task implementation, starts the async chain
void Run() override;
// Step 1. get results from the store
void GetRequests();
// Step 2. Prune stale requests
void Prune(bool success,
std::vector<std::unique_ptr<SavePageRequest>> requests);
// Step 3. Send delete notifications for the expired requests.
void OnRequestsExpired(UpdateRequestsResult result);
// Build a list of IDs whose request has expired.
void PopulateExpiredRequestIdsAndReasons(
std::vector<std::unique_ptr<SavePageRequest>> requests);
// Member variables, all pointers are not owned here.
raw_ptr<RequestQueueStore> store_;
raw_ptr<OfflinerPolicy> policy_;
raw_ptr<RequestNotifier> notifier_;
raw_ptr<RequestCoordinatorEventLogger> event_logger_;
// Holds a map of expired request IDs and respective expiration reasons.
std::map<int64_t, OfflinerPolicyUtils::RequestExpirationStatus>
expired_request_ids_and_reasons_;
// Allows us to pass a weak pointer to callbacks.
base::WeakPtrFactory<CleanupTask> weak_ptr_factory_{this};
};
} // namespace offline_pages
#endif // COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_CLEANUP_TASK_H_
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