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// Copyright (c) 2011 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_COMMON_CHROME_VERSION_INFO_H_
#define CHROME_COMMON_CHROME_VERSION_INFO_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
class FileVersionInfo;
namespace chrome {
// An instance of chrome::VersionInfo has information about the
// current running build of Chrome.
class VersionInfo {
public:
// The possible channels for an installation, from most fun to most stable.
enum Channel {
CHANNEL_UNKNOWN = 0, // Probably blue
CHANNEL_CANARY, // Yellow
CHANNEL_DEV, // Technicolor
CHANNEL_BETA, // Rainbow
CHANNEL_STABLE // Full-spectrum
};
VersionInfo();
~VersionInfo();
// In the rare case where we fail to get the version info,
// is_valid() will return false. The other functions will return
// the empty string in this case, so it's not harmful if you don't
// check is_valid().
bool is_valid() const;
// E.g. "Chrome/a.b.c.d"
std::string ProductNameAndVersionForUserAgent() const;
// E.g. "Chromium" or "Google Chrome".
std::string Name() const;
// Version number, e.g. "6.0.490.1".
std::string Version() const;
// The SVN revision of this release. E.g. "55800".
std::string LastChange() const;
// Whether this is an "official" release of the current Version():
// whether knowing Version() is enough to completely determine what
// LastChange() is.
bool IsOfficialBuild() const;
// OS type. E.g. "Windows", "Linux", "FreeBSD", ...
std::string OSType() const;
// Returns a human-readable modifier for the version string. For a branded
// build, this modifier is the channel ("canary", "dev", or "beta", but ""
// for stable). On Windows, this may be modified with additional information
// after a hyphen. For multi-user installations, it will return "canary-m",
// "dev-m", "beta-m", and for a stable channel multi-user installation, "m".
// In branded builds, when the channel cannot be determined, "unknown" will
// be returned. In unbranded builds, the modifier is usually an empty string
// (""), although on Linux, it may vary in certain distributions.
// GetVersionStringModifier() is intended to be used for display purposes.
// To simply test the channel, use GetChannel().
static std::string GetVersionStringModifier();
// Returns the channel for the installation. In branded builds, this will be
// CHANNEL_STABLE, CHANNEL_BETA, CHANNEL_DEV, or CHANNEL_CANARY. In unbranded
// builds, or in branded builds when the channel cannot be determined, this
// will be CHANNEL_UNKNOWN.
static Channel GetChannel();
#if defined(OS_CHROMEOS)
// Sets channel before use.
static void SetChannel(const std::string& channel);
#endif
// Returns a version string to be displayed in "About Chromium" dialog.
std::string CreateVersionString() const;
private:
#if defined(OS_WIN) || defined(OS_MACOSX)
scoped_ptr<FileVersionInfo> version_info_;
#endif
DISALLOW_COPY_AND_ASSIGN(VersionInfo);
};
} // namespace chrome
#endif // CHROME_COMMON_CHROME_VERSION_INFO_H_
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