system_settings_provider.h revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40 
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.
4
5#ifndef CHROME_BROWSER_CHROMEOS_SETTINGS_SYSTEM_SETTINGS_PROVIDER_H_
6#define CHROME_BROWSER_CHROMEOS_SETTINGS_SYSTEM_SETTINGS_PROVIDER_H_
7
8#include <string>
9
10#include "base/callback.h"
11#include "base/memory/scoped_ptr.h"
12#include "chrome/browser/chromeos/settings/cros_settings_provider.h"
13#include "chrome/browser/chromeos/system/timezone_settings.h"
14#include "third_party/icu/source/i18n/unicode/timezone.h"
15
16namespace base {
17class StringValue;
18}
19
20namespace chromeos {
21
22class SystemSettingsProvider : public CrosSettingsProvider,
23                               public system::TimezoneSettings::Observer {
24 public:
25  explicit SystemSettingsProvider(const NotifyObserversCallback& notify_cb);
26  virtual ~SystemSettingsProvider();
27
28  // CrosSettingsProvider implementation.
29  virtual const base::Value* Get(const std::string& path) const OVERRIDE;
30  virtual TrustedStatus PrepareTrustedValues(
31      const base::Closure& callback) OVERRIDE;
32  virtual bool HandlesSetting(const std::string& path) const OVERRIDE;
33
34  // TimezoneSettings::Observer implementation.
35  virtual void TimezoneChanged(const icu::TimeZone& timezone) OVERRIDE;
36
37 private:
38  // CrosSettingsProvider implementation.
39  virtual void DoSet(const std::string& path,
40                     const base::Value& in_value) OVERRIDE;
41
42  scoped_ptr<base::StringValue> timezone_value_;
43
44  DISALLOW_COPY_AND_ASSIGN(SystemSettingsProvider);
45};
46
47}  // namespace chromeos
48
49#endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_SYSTEM_SETTINGS_PROVIDER_H_
50