1 files changed, 132 insertions, 0 deletions
diff --git a/chrome/browser/pref_member.cc b/chrome/browser/pref_member.cc
new file mode 100644
index 0000000..9502022
--- /dev/null
+++ b/chrome/browser/pref_member.cc
@@ -0,0 +1,132 @@
+// Copyright (c) 2010 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/pref_member.h"
+
+#include "base/logging.h"
+#include "chrome/browser/pref_service.h"
+#include "chrome/common/notification_type.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);
+}
+
+bool PrefMemberBase::IsManaged() {
+  DCHECK(!pref_name_.empty());
+  const PrefService::Preference* pref =
+      prefs_->FindPreference(pref_name_.c_str());
+  return pref && pref->IsManaged();
+}
+
+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
+
+BooleanPrefMember::BooleanPrefMember() : PrefMember<bool>() {
+}
+
+BooleanPrefMember::~BooleanPrefMember() {
+}
+
+void BooleanPrefMember::UpdateValueFromPref() {
+  value_ = prefs()->GetBoolean(pref_name().c_str());
+}
+
+void BooleanPrefMember::UpdatePref(const bool& value) {
+  prefs()->SetBoolean(pref_name().c_str(), value);
+}
+
+IntegerPrefMember::IntegerPrefMember() : PrefMember<int>() {
+}
+
+IntegerPrefMember::~IntegerPrefMember() {
+}
+
+void IntegerPrefMember::UpdateValueFromPref() {
+  value_ = prefs()->GetInteger(pref_name().c_str());
+}
+
+void IntegerPrefMember::UpdatePref(const int& value) {
+  prefs()->SetInteger(pref_name().c_str(), value);
+}
+
+RealPrefMember::RealPrefMember() : PrefMember<double>() {
+}
+
+RealPrefMember::~RealPrefMember() {
+}
+
+void RealPrefMember::UpdateValueFromPref() {
+  value_ = prefs()->GetReal(pref_name().c_str());
+}
+
+void RealPrefMember::UpdatePref(const double& value) {
+  prefs()->SetReal(pref_name().c_str(), value);
+}
+
+StringPrefMember::StringPrefMember() : PrefMember<std::string>() {
+}
+
+StringPrefMember::~StringPrefMember() {
+}
+
+void StringPrefMember::UpdateValueFromPref() {
+  value_ = prefs()->GetString(pref_name().c_str());
+}
+
+void StringPrefMember::UpdatePref(const std::string& value) {
+  prefs()->SetString(pref_name().c_str(), value);
+}
+
+FilePathPrefMember::FilePathPrefMember() : PrefMember<FilePath>() {
+}
+
+FilePathPrefMember::~FilePathPrefMember() {
+}
+
+void FilePathPrefMember::UpdateValueFromPref() {
+  value_ = prefs()->GetFilePath(pref_name().c_str());
+}
+
+void FilePathPrefMember::UpdatePref(const FilePath& value) {
+  prefs()->SetFilePath(pref_name().c_str(), value);
+}