OLD | NEW |
| (Empty) |
1 // Copyright (c) 2015 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 #ifndef CHROME_BROWSER_CHROMEOS_ARC_SETTINGS_BRIDGE_H_ | |
5 #define CHROME_BROWSER_CHROMEOS_ARC_SETTINGS_BRIDGE_H_ | |
6 | |
7 #include <string> | |
8 | |
9 #include "base/gtest_prod_util.h" | |
10 #include "base/macros.h" | |
11 #include "base/values.h" | |
12 #include "chrome/browser/chromeos/settings/cros_settings.h" | |
13 #include "chromeos/settings/timezone_settings.h" | |
14 #include "components/arc/arc_bridge_service.h" | |
15 #include "components/prefs/pref_change_registrar.h" | |
16 | |
17 namespace arc { | |
18 | |
19 namespace fontsizes { | |
20 | |
21 // The following values were obtained from chrome://settings and Android's | |
22 // Display settings on Nov 2015. They are expected to remain stable. | |
23 const float kAndroidFontScaleSmall = 0.85; | |
24 const float kAndroidFontScaleNormal = 1; | |
25 const float kAndroidFontScaleLarge = 1.15; | |
26 const float kAndroidFontScaleHuge = 1.3; | |
27 const int kChromeFontSizeNormal = 16; | |
28 const int kChromeFontSizeLarge = 20; | |
29 const int kChromeFontSizeVeryLarge = 24; | |
30 | |
31 // Android has only a single float value for system-wide font size | |
32 // (font_scale). Chrome has three main int pixel values that affect | |
33 // system-wide font size. We will take the largest font value of the three | |
34 // main font values on Chrome and convert to an Android size. | |
35 double ConvertFontSizeChromeToAndroid(int default_size, | |
36 int default_fixed_size, | |
37 int minimum_size); | |
38 | |
39 } // namespace fontsizes | |
40 | |
41 // Listens to changes for select Chrome settings (prefs) that Android cares | |
42 // about and sends the new values to Android to keep the state in sync. | |
43 class SettingsBridge : public chromeos::system::TimezoneSettings::Observer { | |
44 public: | |
45 class Delegate { | |
46 public: | |
47 virtual void OnBroadcastNeeded(const std::string& action, | |
48 const base::DictionaryValue& extras) = 0; | |
49 }; | |
50 | |
51 explicit SettingsBridge(Delegate* delegate); | |
52 ~SettingsBridge() override; | |
53 | |
54 // Called when a Chrome pref we have registered an observer for has changed. | |
55 // Obtains the new pref value and sends it to Android. | |
56 void OnPrefChanged(const std::string& pref_name) const; | |
57 | |
58 // TimezoneSettings::Observer | |
59 void TimezoneChanged(const icu::TimeZone& timezone) override; | |
60 | |
61 private: | |
62 // Registers to observe changes for Chrome settings we care about. | |
63 void StartObservingSettingsChanges(); | |
64 | |
65 // Stops listening for Chrome settings changes. | |
66 void StopObservingSettingsChanges(); | |
67 | |
68 // Retrives Chrome's state for the settings and send it to Android. | |
69 void SyncAllPrefs() const; | |
70 void SyncFontSize() const; | |
71 void SyncLocale() const; | |
72 void SyncReportingConsent() const; | |
73 void SyncSpokenFeedbackEnabled() const; | |
74 void SyncTimeZone() const; | |
75 void SyncUse24HourClock() const; | |
76 | |
77 // Registers to listen to a particular perf. | |
78 void AddPrefToObserve(const std::string& pref_name); | |
79 | |
80 // Returns the integer value of the pref. pref_name must exist. | |
81 int GetIntegerPref(const std::string& pref_name) const; | |
82 | |
83 // Sends a broadcast to the delegate. | |
84 void SendSettingsBroadcast(const std::string& action, | |
85 const base::DictionaryValue& extras) const; | |
86 | |
87 // Manages pref observation registration. | |
88 PrefChangeRegistrar registrar_; | |
89 | |
90 scoped_ptr<chromeos::CrosSettings::ObserverSubscription> | |
91 reporting_consent_subscription_; | |
92 | |
93 Delegate* const delegate_; | |
94 | |
95 DISALLOW_COPY_AND_ASSIGN(SettingsBridge); | |
96 }; | |
97 | |
98 } // namespace arc | |
99 | |
100 #endif // CHROME_BROWSER_CHROMEOS_ARC_SETTINGS_BRIDGE_H_ | |
OLD | NEW |