Index: chrome/browser/extensions/settings/managed_value_store_cache.h |
diff --git a/chrome/browser/extensions/settings/managed_value_store_cache.h b/chrome/browser/extensions/settings/managed_value_store_cache.h |
deleted file mode 100644 |
index 9a1ea7b40c3f523a12c798d1509a2a4f62e148bf..0000000000000000000000000000000000000000 |
--- a/chrome/browser/extensions/settings/managed_value_store_cache.h |
+++ /dev/null |
@@ -1,154 +0,0 @@ |
-// 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_EXTENSIONS_SETTINGS_MANAGED_VALUE_STORE_CACHE_H_ |
-#define CHROME_BROWSER_EXTENSIONS_SETTINGS_MANAGED_VALUE_STORE_CACHE_H_ |
- |
-#include <map> |
-#include <string> |
- |
-#include "base/basictypes.h" |
-#include "base/callback_forward.h" |
-#include "base/compiler_specific.h" |
-#include "base/file_path.h" |
-#include "base/memory/linked_ptr.h" |
-#include "base/memory/ref_counted.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/memory/weak_ptr.h" |
-#include "chrome/browser/extensions/event_router.h" |
-#include "chrome/browser/extensions/settings/settings_observer.h" |
-#include "chrome/browser/extensions/settings/value_store_cache.h" |
-#include "chrome/browser/policy/policy_service.h" |
- |
-namespace policy { |
-class PolicyMap; |
-} |
- |
-namespace extensions { |
- |
-class PolicyValueStore; |
-class SettingsStorageFactory; |
- |
-// A ValueStoreCache that manages a PolicyValueStore for each extension that |
-// uses the storage.managed namespace. This class observes policy changes and |
-// which extensions listen for storage.onChanged(), and sends the appropriate |
-// updates to the corresponding PolicyValueStore on the FILE thread. |
-class ManagedValueStoreCache : public ValueStoreCache, |
- public policy::PolicyService::Observer, |
- public EventRouter::Observer { |
- public: |
- // |policy_service| is used to retrieve policy for extensions, and to observe |
- // policy updates. |
- // ||event_router| is used to observe which extensions listen for onChanged. |
- // |factory| is used to create databases for the PolicyValueStores. |
- // |observers| is the list of SettingsObservers to notify when a ValueStore |
- // changes. |
- // |profile_path| is the path for the profile. The databases are created in |
- // a directory under this path. |
- ManagedValueStoreCache(policy::PolicyService* policy_service, |
- EventRouter* event_router, |
- const scoped_refptr<SettingsStorageFactory>& factory, |
- const scoped_refptr<SettingsObserverList>& observers, |
- const FilePath& profile_path); |
- virtual ~ManagedValueStoreCache(); |
- |
- private: |
- // Maps an extension ID to its PolicyValueStoreMap. |
- typedef std::map<std::string, linked_ptr<PolicyValueStore> > |
- PolicyValueStoreMap; |
- |
- // ValueStoreCache implementation: |
- virtual void ShutdownOnUI() OVERRIDE; |
- virtual void RunWithValueStoreForExtension( |
- const StorageCallback& callback, |
- scoped_refptr<const Extension> extension) OVERRIDE; |
- virtual void DeleteStorageSoon(const std::string& extension_id) OVERRIDE; |
- |
- // PolicyService::Observer implementation: |
- virtual void OnPolicyUpdated(policy::PolicyDomain domain, |
- const std::string& component_id, |
- const policy::PolicyMap& previous, |
- const policy::PolicyMap& current) OVERRIDE; |
- |
- // Posted by OnPolicyUpdated() to update a PolicyValueStore on the FILE |
- // thread. |
- void UpdatePolicyOnFILE(const std::string& extension_id, |
- scoped_ptr<policy::PolicyMap> current_policy); |
- |
- // EventRouter::Observer implementation: |
- virtual void OnListenerAdded(const EventListenerInfo& details) OVERRIDE; |
- |
- // Posted by OnListenerAdded() to load or create a PolicyValueStore for the |
- // given |extension_id|. |
- void CreateForExtensionOnFILE(const std::string& extension_id); |
- |
- // Returns an existing PolicyValueStore for |extension_id|, or NULL. |
- PolicyValueStore* GetStoreFor(const std::string& extension_id); |
- |
- // Creates a new PolicyValueStore for |extension_id|. This may open an |
- // existing database, or create a new one. This also sends the current policy |
- // for |extension_id| to the database. When |notify_if_changed| is true, |
- // a notification is sent with the changes between the current policy and the |
- // previously stored policy, if there are any. |
- // |
- // Since this is used on FILE but must retrieve the current policy, this |
- // method first posts GetInitialPolicy() to UI and then resumes in |
- // CreateStoreWithInitialPolicy(). If |continuation| is not null then it |
- // will be invoked after the store is created. |
- // |
- // CreateStoreFor() can be safely invoked from any method on the FILE thread. |
- // It posts to UI used |weak_this_on_ui_|, so that the task is dropped if |
- // ShutdownOnUI() has been invoked. Otherwise, GetInitialPolicy() executes |
- // on UI and can safely post CreateStoreWithInitialPolicy to FILE. |
- // CreateStoreWithInitialPolicy then guarantees that a store for |
- // |extension_id| exists or is created, and then executes the |continuation|; |
- // so when the |continuation| executes, a store for |extension_id| is |
- // guaranteed to exist. |
- void CreateStoreFor(const std::string& extension_id, |
- bool notify_if_changed, |
- const base::Closure& continuation); |
- |
- // Helper for CreateStoreFor, invoked on UI. |
- void GetInitialPolicy(const std::string& extension_id, |
- bool notify_if_changed, |
- const base::Closure& continuation); |
- |
- // Helper for CreateStoreFor, invoked on FILE. |
- void CreateStoreWithInitialPolicy(const std::string& extension_id, |
- bool notify_if_changed, |
- scoped_ptr<policy::PolicyMap> policy, |
- const base::Closure& continuation); |
- |
- // Used to create a WeakPtr valid on the UI thread, so that FILE tasks can |
- // post back to UI. |
- base::WeakPtrFactory<ManagedValueStoreCache> weak_factory_; |
- |
- // A WeakPtr to |this| that is valid on UI. This is used by tasks on the FILE |
- // thread to post back to UI. |
- base::WeakPtr<ManagedValueStoreCache> weak_this_on_ui_; |
- |
- // The PolicyService that is observed for policy updates. Lives on UI. |
- policy::PolicyService* policy_service_; |
- |
- // The EventRouter is created before the SettingsFrontend (which owns the |
- // instance of this class), and the SettingsFrontend is also destroyed before |
- // the EventRouter is. |event_router_| is thus valid for the lifetime of this |
- // object, until ShutdownOnUI() is invoked. Lives on UI. |
- EventRouter* event_router_; |
- |
- // These live on the FILE thread. |
- scoped_refptr<SettingsStorageFactory> storage_factory_; |
- scoped_refptr<SettingsObserverList> observers_; |
- FilePath base_path_; |
- |
- // All the PolicyValueStores live on the FILE thread, and |store_map_| can be |
- // accessed only on the FILE thread as well. |
- PolicyValueStoreMap store_map_; |
- |
- DISALLOW_COPY_AND_ASSIGN(ManagedValueStoreCache); |
-}; |
- |
-} // namespace extensions |
- |
-#endif // CHROME_BROWSER_EXTENSIONS_SETTINGS_MANAGED_VALUE_STORE_CACHE_H_ |