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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// 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 <string>
#include "base/basictypes.h"
#include "base/callback_forward.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/timer/timer.h"
#include "chrome/browser/sync/profile_sync_service_observer.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_service_state.h"
#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "url/gurl.h"
class Profile;
class ProfileSyncServiceBase;
namespace fileapi {
class FileSystemContext;
}
namespace sync_file_system {
class LocalFileSyncService;
class LocalSyncRunner;
class RemoteSyncRunner;
class SyncEventObserver;
class SyncProcessRunner;
class SyncFileSystemService
: public BrowserContextKeyedService,
public ProfileSyncServiceObserver,
public FileStatusObserver,
public content::NotificationObserver,
public base::SupportsWeakPtr<SyncFileSystemService> {
public:
typedef base::Callback<void(const base::ListValue* files)> DumpFilesCallback;
// BrowserContextKeyedService overrides.
virtual void Shutdown() OVERRIDE;
void InitializeForApp(
fileapi::FileSystemContext* file_system_context,
const GURL& app_origin,
const SyncStatusCallback& callback);
SyncServiceState GetSyncServiceState();
void GetExtensionStatusMap(std::map<GURL, std::string>* status_map);
void DumpFiles(const GURL& origin, const DumpFilesCallback& callback);
scoped_ptr<base::ListValue> DumpDatabase();
// Returns the file |url|'s sync status.
void GetFileSyncStatus(
const fileapi::FileSystemURL& url,
const SyncFileStatusCallback& callback);
void AddSyncEventObserver(SyncEventObserver* observer);
void RemoveSyncEventObserver(SyncEventObserver* observer);
ConflictResolutionPolicy GetConflictResolutionPolicy(const GURL& origin);
SyncStatusCode SetConflictResolutionPolicy(const GURL& origin,
ConflictResolutionPolicy policy);
LocalChangeProcessor* GetLocalChangeProcessor(const GURL& origin);
void OnSyncIdle();
private:
friend class SyncFileSystemServiceFactory;
friend class SyncFileSystemServiceTest;
friend struct base::DefaultDeleter<SyncFileSystemService>;
friend class LocalSyncRunner;
friend class RemoteSyncRunner;
explicit SyncFileSystemService(Profile* profile);
virtual ~SyncFileSystemService();
void Initialize(scoped_ptr<LocalFileSyncService> local_file_service,
scoped_ptr<RemoteFileSyncService> remote_file_service);
// Callbacks for InitializeForApp.
void DidInitializeFileSystem(const GURL& app_origin,
const SyncStatusCallback& callback,
SyncStatusCode status);
void DidRegisterOrigin(const GURL& app_origin,
const SyncStatusCallback& callback,
SyncStatusCode status);
void DidInitializeFileSystemForDump(const GURL& app_origin,
const DumpFilesCallback& callback,
SyncStatusCode status);
// Overrides sync_enabled_ setting. This should be called only by tests.
void SetSyncEnabledForTesting(bool enabled);
void DidGetLocalChangeStatus(const SyncFileStatusCallback& callback,
SyncStatusCode status,
bool has_pending_local_changes);
void OnRemoteServiceStateUpdated(RemoteServiceState state,
const std::string& description);
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
void HandleExtensionInstalled(const content::NotificationDetails& details);
void HandleExtensionUnloaded(int type,
const content::NotificationDetails& details);
void HandleExtensionUninstalled(int type,
const content::NotificationDetails& details);
void HandleExtensionEnabled(int type,
const content::NotificationDetails& details);
// ProfileSyncServiceObserver:
virtual void OnStateChanged() OVERRIDE;
// SyncFileStatusObserver:
virtual void OnFileStatusChanged(
const fileapi::FileSystemURL& url,
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.
// |profile_sync_service| must be non-null.
void UpdateSyncEnabledStatus(ProfileSyncServiceBase* profile_sync_service);
// Runs the SyncProcessRunner method of all sync runners (e.g. for Local sync
// and Remote sync).
void RunForEachSyncRunners(void(SyncProcessRunner::*method)());
// Returns the appropriate RemoteFileSyncService for the given origin/app.
// (crbug.com/324215)
RemoteFileSyncService* GetRemoteService(const GURL& origin);
Profile* profile_;
content::NotificationRegistrar registrar_;
scoped_ptr<LocalFileSyncService> local_service_;
scoped_ptr<RemoteFileSyncService> remote_service_;
// Holds v2 RemoteFileSyncService, gets created lazily
// in case we need to run multiple remote services depending on origin/app.
// (crbug.com/324215)
scoped_ptr<RemoteFileSyncService> v2_remote_service_;
// Holds all SyncProcessRunners.
ScopedVector<SyncProcessRunner> local_sync_runners_;
ScopedVector<SyncProcessRunner> remote_sync_runners_;
// Indicates if sync is currently enabled or not.
bool sync_enabled_;
ObserverList<SyncEventObserver> observers_;
DISALLOW_COPY_AND_ASSIGN(SyncFileSystemService);
};
} // namespace sync_file_system
#endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_SERVICE_H_
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