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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_DOM_DISTILLER_CORE_DISTILLED_PAGE_PREFS_H_ | 5 #ifndef COMPONENTS_DOM_DISTILLER_CORE_DISTILLED_PAGE_PREFS_H_ |
6 #define COMPONENTS_DOM_DISTILLER_CORE_DISTILLED_PAGE_PREFS_H_ | 6 #define COMPONENTS_DOM_DISTILLER_CORE_DISTILLED_PAGE_PREFS_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
10 #include "base/observer_list.h" | 10 #include "base/observer_list.h" |
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31 enum Theme { | 31 enum Theme { |
32 #define DEFINE_THEME(name, value) name = value, | 32 #define DEFINE_THEME(name, value) name = value, |
33 #include "components/dom_distiller/core/theme_list.h" | 33 #include "components/dom_distiller/core/theme_list.h" |
34 #undef DEFINE_THEME | 34 #undef DEFINE_THEME |
35 }; | 35 }; |
36 | 36 |
37 class Observer { | 37 class Observer { |
38 public: | 38 public: |
39 virtual void OnChangeFontFamily(FontFamily font) = 0; | 39 virtual void OnChangeFontFamily(FontFamily font) = 0; |
40 virtual void OnChangeTheme(Theme theme) = 0; | 40 virtual void OnChangeTheme(Theme theme) = 0; |
| 41 virtual void OnChangeFontScaling(float scaling) = 0; |
41 }; | 42 }; |
42 | 43 |
43 explicit DistilledPagePrefs(PrefService* pref_service); | 44 explicit DistilledPagePrefs(PrefService* pref_service); |
44 ~DistilledPagePrefs(); | 45 ~DistilledPagePrefs(); |
45 | 46 |
46 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); | 47 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); |
47 | 48 |
48 // Sets the user's preference for the font family of distilled pages. | 49 // Sets the user's preference for the font family of distilled pages. |
49 void SetFontFamily(FontFamily new_font); | 50 void SetFontFamily(FontFamily new_font); |
50 // Returns the user's preference for the font family of distilled pages. | 51 // Returns the user's preference for the font family of distilled pages. |
51 FontFamily GetFontFamily(); | 52 FontFamily GetFontFamily(); |
52 | 53 |
53 // Sets the user's preference for the theme of distilled pages. | 54 // Sets the user's preference for the theme of distilled pages. |
54 void SetTheme(Theme new_theme); | 55 void SetTheme(Theme new_theme); |
55 // Returns the user's preference for the theme of distilled pages. | 56 // Returns the user's preference for the theme of distilled pages. |
56 Theme GetTheme(); | 57 Theme GetTheme(); |
57 | 58 |
| 59 // Sets the user's preference for the font size scaling of distilled pages. |
| 60 void SetFontScaling(float scaling); |
| 61 // Returns the user's preference for the font size scaling of distilled pages. |
| 62 float GetFontScaling(); |
| 63 |
58 void AddObserver(Observer* obs); | 64 void AddObserver(Observer* obs); |
59 void RemoveObserver(Observer* obs); | 65 void RemoveObserver(Observer* obs); |
60 | 66 |
61 private: | 67 private: |
62 // Notifies all Observers of new font family. | 68 // Notifies all Observers of new font family. |
63 void NotifyOnChangeFontFamily(FontFamily font_family); | 69 void NotifyOnChangeFontFamily(FontFamily font_family); |
64 // Notifies all Observers of new theme. | 70 // Notifies all Observers of new theme. |
65 void NotifyOnChangeTheme(Theme theme); | 71 void NotifyOnChangeTheme(Theme theme); |
| 72 // Notifies all Observers of new font scaling. |
| 73 void NotifyOnChangeFontScaling(float scaling); |
| 74 |
66 | 75 |
67 PrefService* pref_service_; | 76 PrefService* pref_service_; |
68 base::ObserverList<Observer> observers_; | 77 base::ObserverList<Observer> observers_; |
69 | 78 |
70 base::WeakPtrFactory<DistilledPagePrefs> weak_ptr_factory_; | 79 base::WeakPtrFactory<DistilledPagePrefs> weak_ptr_factory_; |
71 | 80 |
72 DISALLOW_COPY_AND_ASSIGN(DistilledPagePrefs); | 81 DISALLOW_COPY_AND_ASSIGN(DistilledPagePrefs); |
73 }; | 82 }; |
74 | 83 |
75 } // namespace dom_distiller | 84 } // namespace dom_distiller |
76 | 85 |
77 #endif // COMPONENTS_DOM_DISTILLER_CORE_DISTILLED_PAGE_PREFS_H_ | 86 #endif // COMPONENTS_DOM_DISTILLER_CORE_DISTILLED_PAGE_PREFS_H_ |
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