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Unified Diff: chrome/browser/extensions/settings/managed_value_store_cache.h

Issue 11747025: Run the JSON Schema Compiler's bundle compilation on JSON files. Previously it (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix ms release build Created 7 years, 11 months ago
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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_

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