зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
2.1 KiB
C++
58 строки
2.1 KiB
C++
/* -*- 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 macOSVersion();
|
|
static int32_t macOSVersionMajor();
|
|
static int32_t macOSVersionMinor();
|
|
static int32_t macOSVersionBugFix();
|
|
static bool OnSierraExactly();
|
|
static bool OnHighSierraOrLater();
|
|
static bool OnMojaveOrLater();
|
|
static bool OnCatalinaOrLater();
|
|
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);
|
|
|
|
private:
|
|
nsCocoaFeatures() = delete; // Prevent instantiation.
|
|
static void InitializeVersionNumbers();
|
|
|
|
static int32_t mOSVersion;
|
|
};
|
|
|
|
// C-callable helper for cairo-quartz-font.c and SkFontHost_mac.cpp
|
|
extern "C" {
|
|
bool Gecko_OnSierraExactly();
|
|
}
|
|
|
|
#endif // nsCocoaFeatures_h_
|