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// Copyright 2012 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_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_SERVICE_H_
#define CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_SERVICE_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/values.h"
#include "chrome/browser/sync_file_system/conflict_resolution_policy.h"
#include "chrome/browser/sync_file_system/file_status_observer.h"
#include "chrome/browser/sync_file_system/remote_file_sync_service.h"
#include "chrome/browser/sync_file_system/sync_callbacks.h"
#include "chrome/browser/sync_file_system/sync_process_runner.h"
#include "chrome/browser/sync_file_system/sync_service_state.h"
#include "chrome/browser/sync_file_system/task_logger.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/sync/service/sync_service_observer.h"
#include "extensions/browser/extension_registry_observer.h"
#include "url/gurl.h"
class Profile;
namespace storage {
class FileSystemContext;
}
namespace syncer {
class SyncService;
}
namespace sync_file_system {
class LocalFileSyncService;
class LocalSyncRunner;
class RemoteSyncRunner;
class SyncEventObserver;
// Service implementing the chrome.syncFileSystem() API for the deprecated
// Chrome Apps platform.
// https://developer.chrome.com/docs/extensions/reference/syncFileSystem/
class SyncFileSystemService final
: public KeyedService,
public SyncProcessRunner::Client,
public syncer::SyncServiceObserver,
public FileStatusObserver,
public extensions::ExtensionRegistryObserver {
public:
// Uses SyncFileSystemServiceFactory instead.
explicit SyncFileSystemService(Profile* profile);
~SyncFileSystemService() override;
SyncFileSystemService(const SyncFileSystemService&) = delete;
SyncFileSystemService& operator=(const SyncFileSystemService&) = delete;
// KeyedService implementation.
void Shutdown() override;
void InitializeForApp(storage::FileSystemContext* file_system_context,
const GURL& app_origin,
SyncStatusCallback callback);
// Returns the file |url|'s sync status.
void GetFileSyncStatus(const storage::FileSystemURL& url,
SyncFileStatusCallback callback);
void AddSyncEventObserver(SyncEventObserver* observer);
void RemoveSyncEventObserver(SyncEventObserver* observer);
LocalChangeProcessor* GetLocalChangeProcessor(const GURL& origin);
// SyncProcessRunner::Client implementations.
void OnSyncIdle() override;
SyncServiceState GetSyncServiceState() override;
SyncFileSystemService* GetSyncService() override;
void OnPromotionCompleted(int* num_running_jobs);
void CheckIfIdle();
TaskLogger* task_logger() { return &task_logger_; }
void CallOnIdleForTesting(base::OnceClosure callback);
private:
friend class SyncFileSystemServiceFactory;
friend class SyncFileSystemServiceTest;
friend class SyncFileSystemTest;
friend std::default_delete<SyncFileSystemService>;
friend class LocalSyncRunner;
friend class RemoteSyncRunner;
void Initialize(std::unique_ptr<LocalFileSyncService> local_file_service,
std::unique_ptr<RemoteFileSyncService> remote_file_service);
// Callbacks for InitializeForApp.
void DidInitializeFileSystem(const GURL& app_origin,
SyncStatusCallback callback,
SyncStatusCode status);
void DidRegisterOrigin(const GURL& app_origin,
SyncStatusCallback callback,
SyncStatusCode status);
// Overrides sync_enabled_ setting. This should be called only by tests.
void SetSyncEnabledForTesting(bool enabled);
void DidGetLocalChangeStatus(SyncFileStatusCallback callback,
SyncStatusCode status,
bool has_pending_local_changes);
void OnRemoteServiceStateUpdated(RemoteServiceState state,
const std::string& description);
// extensions::ExtensionRegistryObserver implementations.
void OnExtensionInstalled(content::BrowserContext* browser_context,
const extensions::Extension* extension,
bool is_update) override;
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UnloadedExtensionReason reason) override;
void OnExtensionUninstalled(content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UninstallReason reason) override;
void OnExtensionLoaded(content::BrowserContext* browser_context,
const extensions::Extension* extension) override;
// syncer::SyncServiceObserver implementation.
void OnStateChanged(syncer::SyncService* sync) override;
// SyncFileStatusObserver implementation.
void OnFileStatusChanged(const storage::FileSystemURL& url,
SyncFileType file_type,
SyncFileStatus sync_status,
SyncAction action_taken,
SyncDirection direction) override;
// Check the profile's sync preference settings and call
// remote_file_service_->SetSyncEnabled() to update the status.
// |sync_service| must be non-null.
void UpdateSyncEnabledStatus(syncer::SyncService* sync_service);
// Runs the SyncProcessRunner method of all sync runners (e.g. for Local sync
// and Remote sync).
void RunForEachSyncRunners(void(SyncProcessRunner::*method)());
raw_ptr<Profile> profile_;
std::unique_ptr<LocalFileSyncService> local_service_;
std::unique_ptr<RemoteFileSyncService> remote_service_;
// Holds all SyncProcessRunners.
std::vector<std::unique_ptr<SyncProcessRunner>> local_sync_runners_;
std::vector<std::unique_ptr<SyncProcessRunner>> remote_sync_runners_;
// Indicates if sync is currently enabled or not.
bool sync_enabled_;
TaskLogger task_logger_;
base::ObserverList<SyncEventObserver>::Unchecked observers_;
bool promoting_demoted_changes_;
base::OnceClosure idle_callback_;
base::WeakPtrFactory<SyncFileSystemService> weak_ptr_factory_{this};
};
} // namespace sync_file_system
#endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_SERVICE_H_
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