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// 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/chromeos/cros/system_library.h"
#include <map>
#include "base/utf_string_conversions.h"
#include "chrome/browser/chromeos/cros/cros_library.h"
namespace chromeos {
class SystemLibraryImpl : public SystemLibrary {
public:
typedef std::map<std::string, std::string> StringMap;
SystemLibraryImpl() {
// Get Statistics
UpdateMachineStatistics();
// Get Timezone
std::string id = "US/Pacific";
if (CrosLibrary::Get()->EnsureLoaded()) {
std::string timezone_id = chromeos::GetTimezoneID();
if (timezone_id.empty()) {
LOG(ERROR) << "Got an empty string for timezone, default to " << id;
} else {
id = timezone_id;
}
}
icu::TimeZone* timezone =
icu::TimeZone::createTimeZone(icu::UnicodeString::fromUTF8(id));
timezone_.reset(timezone);
icu::TimeZone::setDefault(*timezone);
LOG(INFO) << "Timezone is " << id;
}
void AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
const icu::TimeZone& GetTimezone() {
return *timezone_.get();
}
void SetTimezone(const icu::TimeZone* timezone) {
timezone_.reset(timezone->clone());
if (CrosLibrary::Get()->EnsureLoaded()) {
icu::UnicodeString unicode;
timezone->getID(unicode);
std::string id;
UTF16ToUTF8(unicode.getBuffer(), unicode.length(), &id);
LOG(INFO) << "Setting timezone to " << id;
chromeos::SetTimezoneID(id);
}
icu::TimeZone::setDefault(*timezone);
FOR_EACH_OBSERVER(Observer, observers_, TimezoneChanged(*timezone));
}
bool GetMachineStatistic(const std::string& name, std::string* result) {
StringMap::iterator iter = machine_info_.find(name);
if (iter != machine_info_.end()) {
*result = iter->second;
return true;
}
return false;
}
private:
void UpdateMachineStatistics() {
if (CrosLibrary::Get()->EnsureLoaded()) {
chromeos::MachineInfo* machine_info = chromeos::GetMachineInfo();
if (!machine_info) {
LOG(ERROR) << "Error calling chromeos::GetMachineInfo().";
return;
}
// Get Name Value pairs.
for (int i = 0; i<machine_info->name_value_size; ++i) {
const chromeos::MachineInfo::NVPair& nv = machine_info->name_values[i];
machine_info_[nv.name] = nv.value;
}
chromeos::FreeMachineInfo(machine_info);
}
}
scoped_ptr<icu::TimeZone> timezone_;
ObserverList<Observer> observers_;
StringMap machine_info_;
DISALLOW_COPY_AND_ASSIGN(SystemLibraryImpl);
};
class SystemLibraryStubImpl : public SystemLibrary {
public:
SystemLibraryStubImpl() {
std::string id = "US/Pacific";
icu::TimeZone* timezone =
icu::TimeZone::createTimeZone(icu::UnicodeString::fromUTF8(id));
timezone_.reset(timezone);
}
~SystemLibraryStubImpl() {}
void AddObserver(Observer* observer) {}
void RemoveObserver(Observer* observer) {}
const icu::TimeZone& GetTimezone() {
return *timezone_.get();
}
void SetTimezone(const icu::TimeZone* timezone) {}
bool GetMachineStatistic(const std::string& name, std::string* result) {
*result = "Stub Statistic:" + name;
return true;
}
private:
scoped_ptr<icu::TimeZone> timezone_;
DISALLOW_COPY_AND_ASSIGN(SystemLibraryStubImpl);
};
// static
SystemLibrary* SystemLibrary::GetImpl(bool stub) {
if (stub)
return new SystemLibraryStubImpl();
else
return new SystemLibraryImpl();
}
} // namespace chromeos
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