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.
5 #ifndef BASE_PREFS_PREF_SERVICE_BUILDER_H_
6 #define BASE_PREFS_PREF_SERVICE_BUILDER_H_
8 #include "base/basictypes.h"
9 #include "base/callback.h"
10 #include "base/memory/ref_counted.h"
11 #include "base/prefs/base_prefs_export.h"
12 #include "base/prefs/persistent_pref_store.h"
13 #include "base/prefs/pref_registry.h"
14 #include "base/prefs/pref_store.h"
20 class SequencedTaskRunner
;
23 // A class that allows convenient building of PrefService.
24 class BASE_PREFS_EXPORT PrefServiceBuilder
{
27 virtual ~PrefServiceBuilder();
29 // Functions for setting the various parameters of the PrefService to build.
30 // These take ownership of the |store| parameter.
31 PrefServiceBuilder
& WithManagedPrefs(PrefStore
* store
);
32 PrefServiceBuilder
& WithSupervisedUserPrefs(PrefStore
* store
);
33 PrefServiceBuilder
& WithExtensionPrefs(PrefStore
* store
);
34 PrefServiceBuilder
& WithCommandLinePrefs(PrefStore
* store
);
35 PrefServiceBuilder
& WithUserPrefs(PersistentPrefStore
* store
);
36 PrefServiceBuilder
& WithRecommendedPrefs(PrefStore
* store
);
38 // Sets up error callback for the PrefService. A do-nothing default
39 // is provided if this is not called.
40 PrefServiceBuilder
& WithReadErrorCallback(
41 const base::Callback
<void(PersistentPrefStore::PrefReadError
)>&
44 // Specifies to use an actual file-backed user pref store.
45 PrefServiceBuilder
& WithUserFilePrefs(
46 const base::FilePath
& prefs_file
,
47 base::SequencedTaskRunner
* task_runner
);
49 PrefServiceBuilder
& WithAsync(bool async
);
51 // Creates a PrefService object initialized with the parameters from
53 virtual PrefService
* Create(PrefRegistry
* registry
);
56 virtual void ResetDefaultState();
58 scoped_refptr
<PrefStore
> managed_prefs_
;
59 scoped_refptr
<PrefStore
> supervised_user_prefs_
;
60 scoped_refptr
<PrefStore
> extension_prefs_
;
61 scoped_refptr
<PrefStore
> command_line_prefs_
;
62 scoped_refptr
<PersistentPrefStore
> user_prefs_
;
63 scoped_refptr
<PrefStore
> recommended_prefs_
;
65 base::Callback
<void(PersistentPrefStore::PrefReadError
)> read_error_callback_
;
71 DISALLOW_COPY_AND_ASSIGN(PrefServiceBuilder
);
74 #endif // BASE_PREFS_PREF_SERVICE_BUILDER_H_