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_VALUE_MAP_PREF_STORE_H_
6 #define BASE_PREFS_VALUE_MAP_PREF_STORE_H_
11 #include "base/basictypes.h"
12 #include "base/observer_list.h"
13 #include "base/prefs/base_prefs_export.h"
14 #include "base/prefs/pref_value_map.h"
15 #include "base/prefs/writeable_pref_store.h"
17 // A basic PrefStore implementation that uses a simple name-value map for
18 // storing the preference values.
19 class BASE_PREFS_EXPORT ValueMapPrefStore
: public WriteablePrefStore
{
23 // PrefStore overrides:
24 virtual bool GetValue(const std::string
& key
,
25 const base::Value
** value
) const OVERRIDE
;
26 virtual void AddObserver(PrefStore::Observer
* observer
) OVERRIDE
;
27 virtual void RemoveObserver(PrefStore::Observer
* observer
) OVERRIDE
;
28 virtual bool HasObservers() const OVERRIDE
;
30 // WriteablePrefStore overrides:
31 virtual void SetValue(const std::string
& key
, base::Value
* value
) OVERRIDE
;
32 virtual void RemoveValue(const std::string
& key
) OVERRIDE
;
33 virtual bool GetMutableValue(const std::string
& key
,
34 base::Value
** value
) OVERRIDE
;
35 virtual void ReportValueChanged(const std::string
& key
) OVERRIDE
;
36 virtual void SetValueSilently(const std::string
& key
,
37 base::Value
* value
) OVERRIDE
;
40 virtual ~ValueMapPrefStore();
42 // Notify observers about the initialization completed event.
43 void NotifyInitializationCompleted();
48 ObserverList
<PrefStore::Observer
, true> observers_
;
50 DISALLOW_COPY_AND_ASSIGN(ValueMapPrefStore
);
53 #endif // BASE_PREFS_VALUE_MAP_PREF_STORE_H_