/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef nsCocoaFeatures_h_ #define nsCocoaFeatures_h_ #include <stdint.h> /// Note that this class assumes we support the platform we are running on. /// For better or worse, if the version is unknown or less than what we /// support, we set it to the minimum supported version. GetSystemVersion /// is the only call that returns the unadjusted values. class nsCocoaFeatures { public: static int32_t OSXVersion(); static int32_t OSXVersionMajor(); static int32_t OSXVersionMinor(); static int32_t OSXVersionBugFix(); static bool OnYosemiteOrLater(); static bool OnElCapitanOrLater(); static bool OnSierraOrLater(); static bool IsAtLeastVersion(int32_t aMajor, int32_t aMinor, int32_t aBugFix=0); // These are utilities that do not change or depend on the value of mOSXVersion // and instead just encapsulate the encoding algorithm. Note that GetVersion // actually adjusts to the lowest supported OS, so it will always return // a "supported" version. GetSystemVersion does not make any modifications. static void GetSystemVersion(int &aMajor, int &aMinor, int &aBugFix); static int32_t GetVersion(int32_t aMajor, int32_t aMinor, int32_t aBugFix); static int32_t ExtractMajorVersion(int32_t aVersion); static int32_t ExtractMinorVersion(int32_t aVersion); static int32_t ExtractBugFixVersion(int32_t aVersion); private: static void InitializeVersionNumbers(); static int32_t mOSXVersion; }; #endif // nsCocoaFeatures_h_