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// Copyright (c) 2006-2008 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/common/pref_member.h"
#include "base/logging.h"
#include "chrome/common/notification_type.h"
#include "chrome/common/pref_service.h"
namespace subtle {
PrefMemberBase::PrefMemberBase()
: observer_(NULL),
prefs_(NULL),
is_synced_(false),
setting_value_(false) {
}
PrefMemberBase::~PrefMemberBase() {
if (!pref_name_.empty())
prefs_->RemovePrefObserver(pref_name_.c_str(), this);
}
void PrefMemberBase::Init(const wchar_t* pref_name, PrefService* prefs,
NotificationObserver* observer) {
DCHECK(pref_name);
DCHECK(prefs);
DCHECK(pref_name_.empty()); // Check that Init is only called once.
observer_ = observer;
prefs_ = prefs;
pref_name_ = pref_name;
DCHECK(!pref_name_.empty());
// Add ourself as a pref observer so we can keep our local value in sync.
prefs_->AddPrefObserver(pref_name, this);
}
void PrefMemberBase::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
DCHECK(!pref_name_.empty());
DCHECK(NotificationType::PREF_CHANGED == type);
UpdateValueFromPref();
is_synced_ = true;
if (!setting_value_ && observer_)
observer_->Observe(type, source, details);
}
void PrefMemberBase::VerifyValuePrefName() {
DCHECK(!pref_name_.empty());
}
} // namespace subtle
void BooleanPrefMember::UpdateValueFromPref() {
value_ = prefs()->GetBoolean(pref_name().c_str());
}
void BooleanPrefMember::UpdatePref(const bool& value) {
prefs()->SetBoolean(pref_name().c_str(), value);
}
void IntegerPrefMember::UpdateValueFromPref() {
value_ = prefs()->GetInteger(pref_name().c_str());
}
void IntegerPrefMember::UpdatePref(const int& value) {
prefs()->SetInteger(pref_name().c_str(), value);
}
void RealPrefMember::UpdateValueFromPref() {
value_ = prefs()->GetReal(pref_name().c_str());
}
void RealPrefMember::UpdatePref(const double& value) {
prefs()->SetReal(pref_name().c_str(), value);
}
void StringPrefMember::UpdateValueFromPref() {
value_ = prefs()->GetString(pref_name().c_str());
}
void StringPrefMember::UpdatePref(const std::wstring& value) {
prefs()->SetString(pref_name().c_str(), value);
}
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