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- // Copyright 2013 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 COMPONENTS_USER_PREFS_USER_PREFS_H_
- #define COMPONENTS_USER_PREFS_USER_PREFS_H_
- #include "base/memory/raw_ptr.h"
- #include "base/supports_user_data.h"
- #include "components/user_prefs/user_prefs_export.h"
- class PrefService;
- namespace user_prefs {
- // Components may use preferences associated with a given user. These hang off
- // of base::SupportsUserData and can be retrieved using UserPrefs::Get().
- //
- // It is up to the embedder to create and own the PrefService and attach it to
- // base::SupportsUserData using the UserPrefs::Set() function.
- class USER_PREFS_EXPORT UserPrefs : public base::SupportsUserData::Data {
- public:
- UserPrefs(const UserPrefs&) = delete;
- UserPrefs& operator=(const UserPrefs&) = delete;
- ~UserPrefs() override;
- // Retrieves the PrefService for a given context, or null if none is attached.
- static PrefService* Get(base::SupportsUserData* context);
- // Hangs the specified |prefs| off of |context|. Should be called
- // only once per context.
- static void Set(base::SupportsUserData* context, PrefService* prefs);
- private:
- explicit UserPrefs(PrefService* prefs);
- // Non-owning; owned by embedder.
- raw_ptr<PrefService> prefs_;
- };
- } // namespace user_prefs
- #endif // COMPONENTS_USER_PREFS_USER_PREFS_H_
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