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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.
#ifndef CHROME_BROWSER_RLZ_RLZ_H_
#define CHROME_BROWSER_RLZ_RLZ_H_
#pragma once
#include "build/build_config.h"
#if defined(OS_WIN)
#include <string>
#include "base/basictypes.h"
#include "rlz/win/lib/rlz_lib.h"
// RLZ is a library which is used to measure distribution scenarios.
// Its job is to record certain lifetime events in the registry and to send
// them encoded as a compact string at most twice. The sent data does
// not contain information that can be used to identify a user or to infer
// browsing habits. The API in this file is a wrapper around the open source
// RLZ library which can be found at http://code.google.com/p/rlz.
//
// For partner or bundled installs, the RLZ might send more information
// according to the terms disclosed in the EULA.
class RLZTracker {
public:
// Like InitRlz() this function initializes the RLZ library services for use
// in chrome. Besides binding the dll, it schedules a delayed task (delayed
// by |delay| seconds) that performs the ping and registers some events
// when 'first-run' is true.
//
// If the chrome brand is organic (no partners) then the RLZ library is not
// loaded or initialized and the pings don't ocurr.
static bool InitRlzDelayed(bool first_run, int delay);
// Records an RLZ event. Some events can be access point independent.
// Returns false it the event could not be recorded. Requires write access
// to the HKCU registry hive on windows.
static bool RecordProductEvent(rlz_lib::Product product,
rlz_lib::AccessPoint point,
rlz_lib::Event event_id);
// Get the RLZ value of the access point.
// Returns false if the rlz string could not be obtained. In some cases
// an empty string can be returned which is not an error.
static bool GetAccessPointRlz(rlz_lib::AccessPoint point, std::wstring* rlz);
// Clear all events reported by this product. In Chrome this will be called
// when it is un-installed.
static bool ClearAllProductEvents(rlz_lib::Product product);
// Invoked during shutdown to clean up any state created by RLZTracker.
static void CleanupRlz();
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(RLZTracker);
};
#endif // defined(OS_WIN)
#endif // CHROME_BROWSER_RLZ_RLZ_H_
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