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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This file declares utility functions for the installer. The original reason
// for putting these functions in installer\util library is so that we can
// separate out the critical logic and write unit tests for it.
#ifndef CHROME_INSTALLER_UTIL_INSTALL_UTIL_H__
#define CHROME_INSTALLER_UTIL_INSTALL_UTIL_H__
#include <string>
#include "base/basictypes.h"
#include "chrome/installer/util/util_constants.h"
#include "chrome/installer/util/version.h"
// This is a utility class that provides common installation related
// utility methods that can be used by installer and also unit tested
// independently.
class InstallUtil {
public:
// Find the version of Chrome installed on the system by checking the
// Google Update registry key. Returns the version or NULL if no version is
// found.
// system_install: if true, looks for version number under the HKLM root,
// otherwise looks under the HKCU.
static installer::Version * GetChromeVersion(bool system_install);
private:
DISALLOW_EVIL_CONSTRUCTORS(InstallUtil);
};
#endif // CHROME_INSTALLER_UTIL_INSTALL_UTIL_H__
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