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| 1 // Copyright (c) 2010 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_OPTIONS_PAGE_BASE_H_ | |
| 6 #define CHROME_BROWSER_OPTIONS_PAGE_BASE_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "chrome/browser/options_window.h" | |
| 13 #include "chrome/common/notification_observer.h" | |
| 14 #include "chrome/browser/metrics/user_metrics.h" | |
| 15 | |
| 16 class PrefService; | |
| 17 class Profile; | |
| 18 struct UserMetricsAction; | |
| 19 | |
| 20 /////////////////////////////////////////////////////////////////////////////// | |
| 21 // OptionsPageBase | |
| 22 // | |
| 23 // A base class for Options dialog pages that handles observing preferences | |
| 24 // | |
| 25 class OptionsPageBase : public NotificationObserver { | |
| 26 public: | |
| 27 virtual ~OptionsPageBase(); | |
| 28 | |
| 29 // Highlights the specified group to attract the user's attention. | |
| 30 virtual void HighlightGroup(OptionsGroup highlight_group) { } | |
| 31 | |
| 32 // Overridden from NotificationObserver: | |
| 33 virtual void Observe(NotificationType type, | |
| 34 const NotificationSource& source, | |
| 35 const NotificationDetails& details); | |
| 36 | |
| 37 protected: | |
| 38 // This class cannot be instantiated directly, but its constructor must be | |
| 39 // called by derived classes. | |
| 40 explicit OptionsPageBase(Profile* profile); | |
| 41 | |
| 42 // Returns the Profile associated with this page. | |
| 43 Profile* profile() const { return profile_; } | |
| 44 | |
| 45 // Records a user action and schedules the prefs file to be saved. | |
| 46 void UserMetricsRecordAction(const UserMetricsAction &action, | |
| 47 PrefService* prefs); | |
| 48 | |
| 49 // Allows the UI to update when a preference value changes. The parameter is | |
| 50 // the specific pref that changed, or NULL if all pref UI should be | |
| 51 // validated. This should be called during setup, but with NULL as the | |
| 52 // parameter to allow initial state to be set. | |
| 53 virtual void NotifyPrefChanged(const std::string* pref_name) {} | |
| 54 | |
| 55 private: | |
| 56 // The Profile associated with this page. | |
| 57 Profile* profile_; | |
| 58 | |
| 59 DISALLOW_COPY_AND_ASSIGN(OptionsPageBase); | |
| 60 }; | |
| 61 | |
| 62 #endif // CHROME_BROWSER_OPTIONS_PAGE_BASE_H_ | |
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