| OLD | NEW |
|---|
| (Empty) |
| 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_EXTENSIONS_API_STORAGE_SETTINGS_FRONTEND_H_ | |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_FRONTEND_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "chrome/browser/extensions/api/storage/settings_namespace.h" | |
| 14 #include "chrome/browser/extensions/api/storage/settings_observer.h" | |
| 15 #include "chrome/browser/extensions/api/storage/settings_storage_factory.h" | |
| 16 #include "chrome/browser/extensions/api/storage/settings_storage_quota_enforcer.
h" | |
| 17 #include "chrome/browser/extensions/api/storage/value_store_cache.h" | |
| 18 #include "sync/api/syncable_service.h" | |
| 19 | |
| 20 class Profile; | |
| 21 | |
| 22 namespace extensions { | |
| 23 | |
| 24 // The component of extension settings which runs on the UI thread, as opposed | |
| 25 // to SettingsBackend which lives on the FILE thread. | |
| 26 // All public methods, must be called on the UI thread, with the exception of | |
| 27 // GetBackendForSync(), which must be called on the FILE thread. | |
| 28 class SettingsFrontend { | |
| 29 public: | |
| 30 // Creates with the default factory. | |
| 31 static SettingsFrontend* Create(Profile* profile); | |
| 32 | |
| 33 // Creates with a specific factory |storage_factory| (presumably for tests). | |
| 34 static SettingsFrontend* Create( | |
| 35 const scoped_refptr<SettingsStorageFactory>& storage_factory, | |
| 36 Profile* profile); | |
| 37 | |
| 38 virtual ~SettingsFrontend(); | |
| 39 | |
| 40 // Must only be called from the FILE thread. |type| should be either | |
| 41 // APP_SETTINGS or EXTENSION_SETTINGS. | |
| 42 syncer::SyncableService* GetBackendForSync(syncer::ModelType type) const; | |
| 43 | |
| 44 // Returns true if |settings_namespace| is a valid namespace. | |
| 45 bool IsStorageEnabled(settings_namespace::Namespace settings_namespace) const; | |
| 46 | |
| 47 // Runs |callback| with the storage area of the given |settings_namespace| | |
| 48 // for the |extension_id|. | |
| 49 void RunWithStorage( | |
| 50 const std::string& extension_id, | |
| 51 settings_namespace::Namespace settings_namespace, | |
| 52 const ValueStoreCache::StorageCallback& callback); | |
| 53 | |
| 54 // Deletes the settings for the given |extension_id|. | |
| 55 void DeleteStorageSoon(const std::string& extension_id); | |
| 56 | |
| 57 // Gets the thread-safe observer list. | |
| 58 scoped_refptr<SettingsObserverList> GetObservers(); | |
| 59 | |
| 60 void DisableStorageForTesting( | |
| 61 settings_namespace::Namespace settings_namespace); | |
| 62 | |
| 63 private: | |
| 64 typedef std::map<settings_namespace::Namespace, ValueStoreCache*> CacheMap; | |
| 65 | |
| 66 SettingsFrontend( | |
| 67 const scoped_refptr<SettingsStorageFactory>& storage_factory, | |
| 68 Profile* profile); | |
| 69 | |
| 70 // The quota limit configurations for the local and sync areas, taken out of | |
| 71 // the schema in chrome/common/extensions/api/storage.json. | |
| 72 const SettingsStorageQuotaEnforcer::Limits local_quota_limit_; | |
| 73 const SettingsStorageQuotaEnforcer::Limits sync_quota_limit_; | |
| 74 | |
| 75 // The (non-incognito) Profile this Frontend belongs to. | |
| 76 Profile* const profile_; | |
| 77 | |
| 78 // List of observers to settings changes. | |
| 79 scoped_refptr<SettingsObserverList> observers_; | |
| 80 | |
| 81 // Observer for |profile_|. | |
| 82 scoped_ptr<SettingsObserver> profile_observer_; | |
| 83 | |
| 84 // Maps a known namespace to its corresponding ValueStoreCache. The caches | |
| 85 // are owned by this object. | |
| 86 CacheMap caches_; | |
| 87 | |
| 88 DISALLOW_COPY_AND_ASSIGN(SettingsFrontend); | |
| 89 }; | |
| 90 | |
| 91 } // namespace extensions | |
| 92 | |
| 93 #endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_FRONTEND_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
