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// Copyright (c) 2012 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/installer/gcapi/gcapi_omaha_experiment.h"
#include "base/string16.h"
#include "base/stringprintf.h"
#include "base/time.h"
#include "chrome/installer/gcapi/gcapi.h"
#include "chrome/installer/util/google_update_experiment_util.h"
#include "chrome/installer/util/google_update_settings.h"
using base::Time;
using base::TimeDelta;
namespace {
// Returns the number of weeks since 2/3/2003.
int GetCurrentRlzWeek() {
Time::Exploded february_third_2003_exploded = {2003, 2, 1, 3, 0, 0, 0, 0};
Time f = Time::FromUTCExploded(february_third_2003_exploded);
TimeDelta delta = Time::Now() - f;
return delta.InDays() / 7;
}
} // namespace
bool SetReactivationExperimentLabels(const wchar_t* brand_code,
int shell_mode) {
if (!brand_code) {
return false;
}
int week_number = GetCurrentRlzWeek();
if (week_number < 0 || week_number > 999)
week_number = 999;
string16 experiment_labels;
base::SStringPrintf(&experiment_labels,
L"reacbrand=%ls_%d|%ls",
brand_code,
week_number,
installer::BuildExperimentDateString().c_str());
return GoogleUpdateSettings::SetExperimentLabels(
shell_mode == GCAPI_INVOKED_UAC_ELEVATION,
experiment_labels);
}
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