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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/arc/settings_bridge.h"
#include <algorithm>
#include "base/strings/stringprintf.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
using ::chromeos::system::TimezoneSettings;
namespace arc {
namespace fontsizes {
double ConvertFontSizeChromeToAndroid(int default_size,
int default_fixed_size,
int minimum_size) {
// kWebKitDefaultFixedFontSize is automatically set to be 3 pixels smaller
// than kWebKitDefaultFontSize when Chrome's settings page's main font
// dropdown control is adjusted. If the user specifically sets a higher
// fixed font size we will want to take into account the adjustment.
default_fixed_size += 3;
int max_chrome_size =
std::max(std::max(default_fixed_size, default_size), minimum_size);
double android_scale = kAndroidFontScaleSmall;
if (max_chrome_size >= kChromeFontSizeVeryLarge) {
android_scale = kAndroidFontScaleHuge;
} else if (max_chrome_size >= kChromeFontSizeLarge) {
android_scale = kAndroidFontScaleLarge;
} else if (max_chrome_size >= kChromeFontSizeNormal) {
android_scale = kAndroidFontScaleNormal;
}
return android_scale;
}
} // namespace fontsizes
SettingsBridge::SettingsBridge(SettingsBridge::Delegate* delegate)
: delegate_(delegate) {
DCHECK(delegate_);
StartObservingSettingsChanges();
SyncAllPrefs();
}
SettingsBridge::~SettingsBridge() {
StopObservingSettingsChanges();
}
void SettingsBridge::StartObservingSettingsChanges() {
Profile* profile = ProfileManager::GetActiveUserProfile();
registrar_.Init(profile->GetPrefs());
AddPrefToObserve(prefs::kWebKitDefaultFixedFontSize);
AddPrefToObserve(prefs::kWebKitDefaultFontSize);
AddPrefToObserve(prefs::kWebKitMinimumFontSize);
AddPrefToObserve(prefs::kAccessibilitySpokenFeedbackEnabled);
AddPrefToObserve(prefs::kUse24HourClock);
TimezoneSettings::GetInstance()->AddObserver(this);
}
void SettingsBridge::SyncAllPrefs() const {
SyncFontSize();
SyncLocale();
SyncSpokenFeedbackEnabled();
SyncTimeZone();
SyncUse24HourClock();
}
void SettingsBridge::StopObservingSettingsChanges() {
registrar_.RemoveAll();
TimezoneSettings::GetInstance()->RemoveObserver(this);
}
void SettingsBridge::AddPrefToObserve(const std::string& pref_name) {
registrar_.Add(pref_name, base::Bind(&SettingsBridge::OnPrefChanged,
base::Unretained(this)));
}
void SettingsBridge::OnPrefChanged(const std::string& pref_name) const {
if (pref_name == prefs::kAccessibilitySpokenFeedbackEnabled) {
SyncSpokenFeedbackEnabled();
} else if (pref_name == prefs::kWebKitDefaultFixedFontSize ||
pref_name == prefs::kWebKitDefaultFontSize ||
pref_name == prefs::kWebKitMinimumFontSize) {
SyncFontSize();
} else if (pref_name == prefs::kUse24HourClock) {
SyncUse24HourClock();
} else {
LOG(ERROR) << "Unknown pref changed.";
}
}
void SettingsBridge::TimezoneChanged(const icu::TimeZone& timezone) {
SyncTimeZone();
}
int SettingsBridge::GetIntegerPref(const std::string& pref_name) const {
const PrefService::Preference* pref =
registrar_.prefs()->FindPreference(pref_name);
DCHECK(pref);
int val = -1;
bool value_exists = pref->GetValue()->GetAsInteger(&val);
DCHECK(value_exists);
return val;
}
void SettingsBridge::SyncFontSize() const {
int default_size = GetIntegerPref(prefs::kWebKitDefaultFontSize);
int default_fixed_size = GetIntegerPref(prefs::kWebKitDefaultFixedFontSize);
int minimum_size = GetIntegerPref(prefs::kWebKitMinimumFontSize);
double android_scale = fontsizes::ConvertFontSizeChromeToAndroid(
default_size, default_fixed_size, minimum_size);
base::DictionaryValue extras;
extras.SetDouble("scale", android_scale);
SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_FONT_SCALE",
extras);
}
void SettingsBridge::SyncSpokenFeedbackEnabled() const {
const PrefService::Preference* pref = registrar_.prefs()->FindPreference(
prefs::kAccessibilitySpokenFeedbackEnabled);
DCHECK(pref);
bool enabled = false;
bool value_exists = pref->GetValue()->GetAsBoolean(&enabled);
DCHECK(value_exists);
base::DictionaryValue extras;
extras.SetBoolean("enabled", enabled);
SendSettingsBroadcast(
"org.chromium.arc.intent_helper.SET_SPOKEN_FEEDBACK_ENABLED", extras);
}
void SettingsBridge::SyncLocale() const {
const PrefService::Preference* pref =
registrar_.prefs()->FindPreference(prefs::kApplicationLocale);
DCHECK(pref);
std::string locale;
bool value_exists = pref->GetValue()->GetAsString(&locale);
DCHECK(value_exists);
base::DictionaryValue extras;
extras.SetString("locale", locale);
SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_LOCALE", extras);
}
void SettingsBridge::SyncTimeZone() const {
TimezoneSettings* timezone_settings = TimezoneSettings::GetInstance();
base::string16 timezoneID = timezone_settings->GetCurrentTimezoneID();
base::DictionaryValue extras;
extras.SetString("olsonTimeZone", timezoneID);
SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_TIME_ZONE", extras);
}
void SettingsBridge::SyncUse24HourClock() const {
const PrefService::Preference* pref =
registrar_.prefs()->FindPreference(prefs::kUse24HourClock);
DCHECK(pref);
bool use24HourClock = false;
bool value_exists = pref->GetValue()->GetAsBoolean(&use24HourClock);
DCHECK(value_exists);
base::DictionaryValue extras;
extras.SetBoolean("use24HourClock", use24HourClock);
SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_USE_24_HOUR_CLOCK",
extras);
}
void SettingsBridge::SendSettingsBroadcast(
const std::string& action,
const base::DictionaryValue& extras) const {
delegate_->OnBroadcastNeeded(action, extras);
}
} // namespace arc
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