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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_BASE_H_
      6 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_BASE_H_
      7 
      8 #include "chrome/browser/sync/profile_sync_service_observer.h"
      9 #include "sync/internal_api/public/base/model_type.h"
     10 
     11 namespace content {
     12 class BrowserContext;
     13 }
     14 
     15 // API for ProfileSyncService.
     16 class ProfileSyncServiceBase {
     17  public:
     18   // Retrieve the sync service to use in the given context.
     19   // Returns NULL if sync is not enabled for the context.
     20   static ProfileSyncServiceBase* FromBrowserContext(
     21       content::BrowserContext* context);
     22 
     23   typedef ProfileSyncServiceObserver Observer;
     24 
     25   virtual ~ProfileSyncServiceBase() {}
     26 
     27   // Whether sync is enabled by user or not.
     28   virtual bool HasSyncSetupCompleted() const = 0;
     29 
     30   // Returns whether processing changes is allowed.  Check this before doing
     31   // any model-modifying operations.
     32   virtual bool ShouldPushChanges() = 0;
     33 
     34   // Get the set of current active data types (those chosen or configured by
     35   // the user which have not also encountered a runtime error).
     36   virtual syncer::ModelTypeSet GetActiveDataTypes() const = 0;
     37 
     38   // Adds/removes an observer. ProfileSyncServiceBase does not take
     39   // ownership of the observer.
     40   virtual void AddObserver(Observer* observer) = 0;
     41   virtual void RemoveObserver(Observer* observer) = 0;
     42 
     43   // Returns true if |observer| has already been added as an observer.
     44   virtual bool HasObserver(Observer* observer) const = 0;
     45 };
     46 
     47 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_BASE_H_
     48