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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_COMMON_CHROME_VERSION_INFO_H_
      6 #define CHROME_COMMON_CHROME_VERSION_INFO_H_
      7 #pragma once
      8 
      9 #include <string>
     10 
     11 #include "base/basictypes.h"
     12 #include "base/memory/scoped_ptr.h"
     13 
     14 class FileVersionInfo;
     15 
     16 namespace chrome {
     17 
     18 // An instance of chrome::VersionInfo has information about the
     19 // current running build of Chrome.
     20 class VersionInfo {
     21  public:
     22   VersionInfo();
     23   ~VersionInfo();
     24 
     25   // In the rare case where we fail to get the version info,
     26   // is_valid() will return false.  The other functions will return
     27   // the empty string in this case, so it's not harmful if you don't
     28   // check is_valid().
     29   bool is_valid() const;
     30 
     31   // E.g. "Chromium" or "Google Chrome".
     32   std::string Name() const;
     33 
     34   // Version number, e.g. "6.0.490.1".
     35   std::string Version() const;
     36 
     37   // The SVN revision of this release.  E.g. "55800".
     38   std::string LastChange() const;
     39 
     40   // Whether this is an "official" release of the current Version():
     41   // whether knowing Version() is enough to completely determine what
     42   // LastChange() is.
     43   bool IsOfficialBuild() const;
     44 
     45  private:
     46 #if defined(OS_WIN) || defined(OS_MACOSX)
     47   scoped_ptr<FileVersionInfo> version_info_;
     48 #endif
     49 
     50   DISALLOW_COPY_AND_ASSIGN(VersionInfo);
     51 };
     52 
     53 }  // namespace chrome
     54 
     55 #endif  // CHROME_COMMON_CHROME_VERSION_INFO_H_
     56