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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_PRINTING_PRINT_MANAGEMENT_PRINTING_MANAGER_H_
#define CHROME_BROWSER_ASH_PRINTING_PRINT_MANAGEMENT_PRINTING_MANAGER_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/ash/printing/cups_print_job_manager.h"
#include "chrome/browser/ash/printing/history/print_job_info.pb.h"
#include "chromeos/components/print_management/mojom/printing_manager.mojom.h"
#include "components/history/core/browser/history_service.h"
#include "components/history/core/browser/history_service_observer.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/prefs/pref_member.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote_set.h"
class PrefService;
namespace history {
class DeletionInfo;
class HistoryService;
} // namespace history
namespace ash {
class PrintJobHistoryService;
namespace printing {
namespace print_management {
class PrintingManager : public chromeos::printing::printing_manager::mojom::
PrintingMetadataProvider,
public KeyedService,
public history::HistoryServiceObserver,
public CupsPrintJobManager::Observer {
public:
PrintingManager(PrintJobHistoryService* print_job_history_service,
history::HistoryService* history_service,
CupsPrintJobManager* cups_print_job_manager,
PrefService* pref_service);
~PrintingManager() override;
PrintingManager(const PrintingManager&) = delete;
PrintingManager& operator=(const PrintingManager&) = delete;
// printing_chromeos::printing::manager::mojom::PrintingMetadataProvider:
void GetPrintJobs(GetPrintJobsCallback callback) override;
void GetPrintJobHistoryExpirationPeriod(
GetPrintJobHistoryExpirationPeriodCallback callback) override;
void DeleteAllPrintJobs(DeleteAllPrintJobsCallback callback) override;
void ObservePrintJobs(
mojo::PendingRemote<
chromeos::printing::printing_manager::mojom::PrintJobsObserver>
observer,
ObservePrintJobsCallback callback) override;
void CancelPrintJob(const std::string& id,
CancelPrintJobCallback callback) override;
void GetDeletePrintJobHistoryAllowedByPolicy(
GetDeletePrintJobHistoryAllowedByPolicyCallback callback) override;
void BindInterface(
mojo::PendingReceiver<
chromeos::printing::printing_manager::mojom::PrintingMetadataProvider>
pending_receiver);
private:
// KeyedService:
void Shutdown() override;
// history::HistoryServiceObserver:
void OnHistoryDeletions(history::HistoryService* history_service,
const history::DeletionInfo& deletion_info) override;
// CupsPrintJobManager::Observer impls
void OnPrintJobCreated(base::WeakPtr<CupsPrintJob> job) override;
void OnPrintJobStarted(base::WeakPtr<CupsPrintJob> job) override;
void OnPrintJobUpdated(base::WeakPtr<CupsPrintJob> job) override;
void OnPrintJobSuspended(base::WeakPtr<CupsPrintJob> job) override;
void OnPrintJobResumed(base::WeakPtr<CupsPrintJob> job) override;
void OnPrintJobDone(base::WeakPtr<CupsPrintJob> job) override;
void OnPrintJobError(base::WeakPtr<CupsPrintJob> job) override;
void OnPrintJobCancelled(base::WeakPtr<CupsPrintJob> job) override;
// PrintJobHistoryObserver
void OnPrintJobsRetrieved(
GetPrintJobsCallback callback,
bool success,
std::vector<proto::PrintJobInfo> print_job_info_protos);
// Callback function that is called when the print jobs are cleared from the
// local database.
void OnPrintJobsDeleted(bool success);
// Returns true if the policy pref is enabled to allow history deletions.
bool IsHistoryDeletionAllowedByPolicy();
// Stores |job| to local cache and notifies observers of an update to |job|.
void UpdatePrintJob(base::WeakPtr<CupsPrintJob> job);
// Removes |job| from the local cache and notifies observers of an update to
// |job|.
void RemoveAndUpdatePrintJob(base::WeakPtr<CupsPrintJob> job);
// Notifies all observers in |print_job_observers_| of an update to a print
// job.
void NotifyPrintJobObservers(base::WeakPtr<CupsPrintJob> job);
// Local cache that stores all ongoing print jobs.
std::map<std::string, base::WeakPtr<CupsPrintJob>> active_print_jobs_;
// Set of PrintJobsObserver mojom::remotes, each remote is bound to a
// renderer process receiver. Automatically handles removing disconnected
// receivers.
mojo::RemoteSet<
chromeos::printing::printing_manager::mojom::PrintJobsObserver>
print_job_observers_;
mojo::Receiver<
chromeos::printing::printing_manager::mojom::PrintingMetadataProvider>
receiver_{this};
// Policy-controlled pref that determines whether print job history can be
// deleted.
BooleanPrefMember delete_print_job_history_allowed_;
// Not owned, this is the intermediate layer to interact with the print
// job local database.
raw_ptr<PrintJobHistoryService, DanglingUntriaged> print_job_history_service_;
// Not owned, this provides the necessary observers to observe when browser
// history has been cleared.
raw_ptr<history::HistoryService> history_service_;
// Not owned, this provides the necessary observers to observe when an
// ongoing print job has been updated.
raw_ptr<CupsPrintJobManager> cups_print_job_manager_;
IntegerPrefMember print_job_history_expiration_period_;
base::ScopedObservation<history::HistoryService,
history::HistoryServiceObserver>
history_service_observation_{this};
base::WeakPtrFactory<PrintingManager> weak_ptr_factory_{this};
};
} // namespace print_management
} // namespace printing
} // namespace ash
#endif // CHROME_BROWSER_ASH_PRINTING_PRINT_MANAGEMENT_PRINTING_MANAGER_H_
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