Source code

Revision control

Copy as Markdown

Other Tools

/* -*- 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 */
#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 {
static int32_t macOSVersion();
static int32_t macOSVersionMajor();
static int32_t macOSVersionMinor();
static int32_t macOSVersionBugFix();
static bool OnBigSurOrLater();
static bool OnMontereyOrLater();
static bool OnVenturaOrLater();
static bool IsAtLeastVersion(int32_t aMajor, int32_t aMinor,
int32_t aBugFix = 0);
static bool ProcessIsRosettaTranslated();
// These are utilities that do not change or depend on the value of
// mOSVersion 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);
nsCocoaFeatures() = delete; // Prevent instantiation.
static void InitializeVersionNumbers();
static int32_t mOSVersion;
#endif // nsCocoaFeatures_h_