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 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/memory/scoped_ptr.h" 12 13 class FileVersionInfo; 14 15 namespace chrome { 16 17 // An instance of chrome::VersionInfo has information about the 18 // current running build of Chrome. 19 class VersionInfo { 20 public: 21 // The possible channels for an installation, from most fun to most stable. 22 enum Channel { 23 CHANNEL_UNKNOWN = 0, // Probably blue 24 CHANNEL_CANARY, // Yellow 25 CHANNEL_DEV, // Technicolor 26 CHANNEL_BETA, // Rainbow 27 CHANNEL_STABLE // Full-spectrum 28 }; 29 30 VersionInfo(); 31 ~VersionInfo(); 32 33 // In the rare case where we fail to get the version info, 34 // is_valid() will return false. The other functions will return 35 // the empty string in this case, so it's not harmful if you don't 36 // check is_valid(). 37 bool is_valid() const; 38 39 // E.g. "Chrome/a.b.c.d" 40 std::string ProductNameAndVersionForUserAgent() const; 41 42 // E.g. "Chromium" or "Google Chrome". 43 std::string Name() const; 44 45 // Version number, e.g. "6.0.490.1". 46 std::string Version() const; 47 48 // The SVN revision of this release. E.g. "55800". 49 std::string LastChange() const; 50 51 // Whether this is an "official" release of the current Version(): 52 // whether knowing Version() is enough to completely determine what 53 // LastChange() is. 54 bool IsOfficialBuild() const; 55 56 // OS type. E.g. "Windows", "Linux", "FreeBSD", ... 57 std::string OSType() const; 58 59 // Returns a human-readable modifier for the version string. For a branded 60 // build, this modifier is the channel ("canary", "dev", or "beta", but "" 61 // for stable). On Windows, this may be modified with additional information 62 // after a hyphen. For multi-user installations, it will return "canary-m", 63 // "dev-m", "beta-m", and for a stable channel multi-user installation, "m". 64 // In branded builds, when the channel cannot be determined, "unknown" will 65 // be returned. In unbranded builds, the modifier is usually an empty string 66 // (""), although on Linux, it may vary in certain distributions. 67 // GetVersionStringModifier() is intended to be used for display purposes. 68 // To simply test the channel, use GetChannel(). 69 static std::string GetVersionStringModifier(); 70 71 // Returns the channel for the installation. In branded builds, this will be 72 // CHANNEL_STABLE, CHANNEL_BETA, CHANNEL_DEV, or CHANNEL_CANARY. In unbranded 73 // builds, or in branded builds when the channel cannot be determined, this 74 // will be CHANNEL_UNKNOWN. 75 static Channel GetChannel(); 76 77 #if defined(OS_CHROMEOS) 78 // Sets channel before use. 79 static void SetChannel(const std::string& channel); 80 #endif 81 82 // Returns a version string to be displayed in "About Chromium" dialog. 83 std::string CreateVersionString() const; 84 85 private: 86 #if defined(OS_WIN) || defined(OS_MACOSX) 87 scoped_ptr<FileVersionInfo> version_info_; 88 #endif 89 90 DISALLOW_COPY_AND_ASSIGN(VersionInfo); 91 }; 92 93 } // namespace chrome 94 95 #endif // CHROME_COMMON_CHROME_VERSION_INFO_H_ 96