chrome/browser/extensions/api/storage/sync_value_store_cache.h

   1 // Copyright 2014 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_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_
   6 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "extensions/browser/api/storage/settings_observer.h"
  13 #include "extensions/browser/api/storage/value_store_cache.h"
  14 #include "sync/api/syncable_service.h"
  15
  16 namespace base {
  17 class FilePath;
  18 }
  19
  20 namespace syncer {
  21 class SyncableService;
  22 }
  23
  24 namespace extensions {
  25
  26 class SettingsStorageFactory;
  27 class SyncStorageBackend;
  28
  29 // ValueStoreCache for the SYNC namespace. It owns a backend for apps and
  30 // another for extensions. Each backend takes care of persistence and syncing.
  31 class SyncValueStoreCache : public ValueStoreCache {
  32  public:
  33   SyncValueStoreCache(
  34       const scoped_refptr<SettingsStorageFactory>& factory,
  35       const scoped_refptr<SettingsObserverList>& observers,
  36       const base::FilePath& profile_path);
  37   ~SyncValueStoreCache() override;
  38
  39   syncer::SyncableService* GetSyncableService(syncer::ModelType type) const;
  40
  41   // ValueStoreCache implementation:
  42   void RunWithValueStoreForExtension(
  43       const StorageCallback& callback,
  44       scoped_refptr<const Extension> extension) override;
  45   void DeleteStorageSoon(const std::string& extension_id) override;
  46
  47  private:
  48   void InitOnFileThread(const scoped_refptr<SettingsStorageFactory>& factory,
  49                         const scoped_refptr<SettingsObserverList>& observers,
  50                         const base::FilePath& profile_path);
  51
  52   bool initialized_;
  53   scoped_ptr<SyncStorageBackend> app_backend_;
  54   scoped_ptr<SyncStorageBackend> extension_backend_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(SyncValueStoreCache);
  57 };
  58
  59 }  // namespace extensions
  60
  61 #endif  // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_