diff options
Diffstat (limited to 'widget/cocoa/nsCocoaFeatures.mm')
-rw-r--r-- | widget/cocoa/nsCocoaFeatures.mm | 168 |
1 files changed, 86 insertions, 82 deletions
diff --git a/widget/cocoa/nsCocoaFeatures.mm b/widget/cocoa/nsCocoaFeatures.mm index 0b22c51bd..e0fafb7d9 100644 --- a/widget/cocoa/nsCocoaFeatures.mm +++ b/widget/cocoa/nsCocoaFeatures.mm @@ -3,27 +3,29 @@ * 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/. */ -// This file makes some assumptions about the versions of OS X. -// We are assuming that the minor and bugfix versions are less than 16. +// This file makes some assumptions about the versions of macOS. +// We are assuming that the major, minor and bugfix versions are each less than +// 256. // There are MOZ_ASSERTs for that. -// The formula for the version integer based on OS X version 10.minor.bugfix is -// 0x1000 + (minor << 4) + bugifix. See AssembleVersion() below for major > 10. -// Major version < 10 is not allowed. - -#define MAC_OS_X_VERSION_MASK 0x0000FFFF -#define MAC_OS_X_VERSION_10_0_HEX 0x00001000 -#define MAC_OS_X_VERSION_10_7_HEX 0x00001070 -#define MAC_OS_X_VERSION_10_8_HEX 0x00001080 -#define MAC_OS_X_VERSION_10_9_HEX 0x00001090 -#define MAC_OS_X_VERSION_10_10_HEX 0x000010A0 -#define MAC_OS_X_VERSION_10_11_HEX 0x000010B0 -#define MAC_OS_X_VERSION_10_12_HEX 0x000010C0 -#define MAC_OS_X_VERSION_10_13_HEX 0x000010D0 -#define MAC_OS_X_VERSION_10_14_HEX 0x000010E0 -#define MAC_OS_X_VERSION_10_15_HEX 0x000010F0 -#define MAC_OS_X_VERSION_10_16_HEX 0x000A1000 -#define MAC_OS_X_VERSION_11_0_HEX 0x000B0000 +// The formula for the version integer is (major << 16) + (minor << 8) + bugfix. + +#define MACOS_VERSION_MASK 0x00FFFFFF +#define MACOS_MAJOR_VERSION_MASK 0x00FFFFFF +#define MACOS_MINOR_VERSION_MASK 0x00FFFFFF +#define MACOS_BUGFIX_VERSION_MASK 0x00FFFFFF +#define MACOS_VERSION_10_0_HEX 0x000A0000 +#define MACOS_VERSION_10_7_HEX 0x000A0700 +#define MACOS_VERSION_10_8_HEX 0x000A0800 +#define MACOS_VERSION_10_9_HEX 0x000A0900 +#define MACOS_VERSION_10_10_HEX 0x000A0A00 +#define MACOS_VERSION_10_11_HEX 0x000A0B00 +#define MACOS_VERSION_10_12_HEX 0x000A0C00 +#define MACOS_VERSION_10_13_HEX 0x000A0D00 +#define MACOS_VERSION_10_14_HEX 0x000A0E00 +#define MACOS_VERSION_10_15_HEX 0x000A0F00 +#define MACOS_VERSION_10_16_HEX 0x000A1000 +#define MACOS_VERSION_11_0_HEX 0x000B0000 #include "nsCocoaFeatures.h" #include "nsCocoaUtils.h" @@ -32,36 +34,36 @@ #import <Cocoa/Cocoa.h> -int32_t nsCocoaFeatures::mOSXVersion = 0; +int32_t nsCocoaFeatures::mOSVersion = 0; // This should not be called with unchecked aMajor, which should be >= 10. inline int32_t AssembleVersion(int32_t aMajor, int32_t aMinor, int32_t aBugFix) { - MOZ_ASSERT(aMajor >= 10); - return MAC_OS_X_VERSION_10_0_HEX + (aMajor-10) * 0x100 + (aMinor << 4) + aBugFix; + MOZ_ASSERT(aMajor >= 10); + return (aMajor << 16) + (aMinor << 8) + aBugFix; } int32_t nsCocoaFeatures::ExtractMajorVersion(int32_t aVersion) { - MOZ_ASSERT((aVersion & MAC_OS_X_VERSION_MASK) == aVersion); - return ((aVersion & 0xFF00) - 0x1000) / 0x100 + 10; + MOZ_ASSERT((aVersion & MACOS_VERSION_MASK) == aVersion); + return (aVersion & 0xFF0000) >> 16; } int32_t nsCocoaFeatures::ExtractMinorVersion(int32_t aVersion) { - MOZ_ASSERT((aVersion & MAC_OS_X_VERSION_MASK) == aVersion); - return (aVersion & 0xF0) >> 4; + MOZ_ASSERT((aVersion & MACOS_VERSION_MASK) == aVersion); + return (aVersion & 0xFF00) >> 8; } int32_t nsCocoaFeatures::ExtractBugFixVersion(int32_t aVersion) { - MOZ_ASSERT((aVersion & MAC_OS_X_VERSION_MASK) == aVersion); - return aVersion & 0x0F; + MOZ_ASSERT((aVersion & MACOS_VERSION_MASK) == aVersion); + return aVersion & 0xFF; } static int intAtStringIndex(NSArray *array, int index) { - return [(NSString *)[array objectAtIndex:index] integerValue]; + return [(NSString*)[array objectAtIndex:index] integerValue]; } void nsCocoaFeatures::GetSystemVersion(int &major, int &minor, int &bugfix) @@ -85,121 +87,123 @@ void nsCocoaFeatures::GetSystemVersion(int &major, int &minor, int &bugfix) int32_t nsCocoaFeatures::GetVersion(int32_t aMajor, int32_t aMinor, int32_t aBugFix) { - int32_t osxVersion; - if (aMajor < 10) { - aMajor = 10; - NS_ERROR("Couldn't determine OS X version, assuming 10.7"); - osxVersion = MAC_OS_X_VERSION_10_7_HEX; - } else if (aMinor < 7) { - aMinor = 7; - NS_ERROR("OS X version too old, assuming 10.7"); - osxVersion = MAC_OS_X_VERSION_10_7_HEX; - } else { - MOZ_ASSERT(aMajor == 10); // For now, even though we're ready... - MOZ_ASSERT(aMinor < 16); - MOZ_ASSERT(aBugFix >= 0); - MOZ_ASSERT(aBugFix < 16); - osxVersion = AssembleVersion(aMajor, aMinor, aBugFix); - } - MOZ_ASSERT(aMajor == ExtractMajorVersion(osxVersion)); - MOZ_ASSERT(aMinor == ExtractMinorVersion(osxVersion)); - MOZ_ASSERT(aBugFix == ExtractBugFixVersion(osxVersion)); - return osxVersion; + int32_t macOSVersion; + if (aMajor < 10) { + aMajor = 10; + NS_ERROR("Couldn't determine macOS version, assuming 10.7"); + macOSVersion = MACOS_VERSION_10_7_HEX; + } else if (aMajor == 10 && aMinor < 7) { + aMinor = 7; + NS_ERROR("macOS version too old, assuming 10.7"); + macOSVersion = MACOS_VERSION_10_7_HEX; + } else { + MOZ_ASSERT(aMajor >= 10); + MOZ_ASSERT(aMajor < 256); + MOZ_ASSERT(aMinor >= 0); + MOZ_ASSERT(aMinor < 256); + MOZ_ASSERT(aBugFix >= 0); + MOZ_ASSERT(aBugFix < 256); + macOSVersion = AssembleVersion(aMajor, aMinor, aBugFix); + } + MOZ_ASSERT(aMajor == ExtractMajorVersion(macOSVersion)); + MOZ_ASSERT(aMinor == ExtractMinorVersion(macOSVersion)); + MOZ_ASSERT(aBugFix == ExtractBugFixVersion(macOSVersion)); + return macOSVersion; } /*static*/ void nsCocoaFeatures::InitializeVersionNumbers() { - NS_OBJC_BEGIN_TRY_ABORT_BLOCK; + NS_OBJC_BEGIN_TRY_ABORT_BLOCK; - // Provide an autorelease pool to avoid leaking Cocoa objects, - // as this gets called before the main autorelease pool is in place. - nsAutoreleasePool localPool; + // Provide an autorelease pool to avoid leaking Cocoa objects, + // as this gets called before the main autorelease pool is in place. + nsAutoreleasePool localPool; - int major, minor, bugfix; - GetSystemVersion(major, minor, bugfix); - mOSXVersion = GetVersion(major, minor, bugfix); + int major, minor, bugfix; + GetSystemVersion(major, minor, bugfix); + mOSVersion = GetVersion(major, minor, bugfix); - NS_OBJC_END_TRY_ABORT_BLOCK; + NS_OBJC_END_TRY_ABORT_BLOCK; } /* static */ int32_t -nsCocoaFeatures::OSXVersion() +nsCocoaFeatures::macOSVersion() { - // Don't let this be called while we're first setting the value... - MOZ_ASSERT((mOSXVersion & MAC_OS_X_VERSION_MASK) >= 0); - if (!mOSXVersion) { - mOSXVersion = -1; - InitializeVersionNumbers(); - } - return mOSXVersion; + // Don't let this be called while we're first setting the value... + MOZ_ASSERT((mOSVersion & MACOS_VERSION_MASK) >= 0); + if (!mOSVersion) { + mOSVersion = -1; + InitializeVersionNumbers(); + } + return mOSVersion; } /* static */ int32_t -nsCocoaFeatures::OSXVersionMajor() +nsCocoaFeatures::macOSVersionMajor() { - MOZ_ASSERT((OSXVersion() & MAC_OS_X_VERSION_10_0_HEX) == MAC_OS_X_VERSION_10_0_HEX); - return 10; + return ExtractMajorVersion(macOSVersion()); } /* static */ int32_t -nsCocoaFeatures::OSXVersionMinor() +nsCocoaFeatures::macOSVersionMinor() { - return ExtractMinorVersion(OSXVersion()); + return ExtractMinorVersion(macOSVersion()); } /* static */ int32_t -nsCocoaFeatures::OSXVersionBugFix() +nsCocoaFeatures::macOSVersionBugFix() { - return ExtractBugFixVersion(OSXVersion()); + return ExtractBugFixVersion(macOSVersion()); } /* static */ bool nsCocoaFeatures::OnYosemiteOrLater() { - return (OSXVersion() >= MAC_OS_X_VERSION_10_10_HEX); + return (macOSVersion() >= MACOS_VERSION_10_10_HEX); } /* static */ bool nsCocoaFeatures::OnElCapitanOrLater() { - return (OSXVersion() >= MAC_OS_X_VERSION_10_11_HEX); + return (macOSVersion() >= MACOS_VERSION_10_11_HEX); } /* static */ bool nsCocoaFeatures::OnSierraOrLater() { - return (OSXVersion() >= MAC_OS_X_VERSION_10_12_HEX); + return (macOSVersion() >= MACOS_VERSION_10_12_HEX); } /* static */ bool nsCocoaFeatures::OnHighSierraOrLater() { - return (OSXVersion() >= MAC_OS_X_VERSION_10_13_HEX); + return (macOSVersion() >= MACOS_VERSION_10_13_HEX); } /* static */ bool nsCocoaFeatures::OnMojaveOrLater() { - return (OSXVersion() >= MAC_OS_X_VERSION_10_14_HEX); + return (macOSVersion() >= MACOS_VERSION_10_14_HEX); } /* static */ bool nsCocoaFeatures::OnCatalinaOrLater() { - return (OSXVersion() >= MAC_OS_X_VERSION_10_15_HEX); + return (macOSVersion() >= MACOS_VERSION_10_15_HEX); } /* static */ bool -nsCocoaFeatures::OnBigSurOrLater() { +nsCocoaFeatures::OnBigSurOrLater() +{ // Account for the version being 10.16 (which occurs when the // application is linked with an older SDK) or 11.0 on Big Sur. - return ((OSXVersion() >= MAC_OS_X_VERSION_10_16_HEX) || - (OSXVersion() >= MAC_OS_X_VERSION_11_0_HEX)); + return ((macOSVersion() >= MACOS_VERSION_10_16_HEX) || + (macOSVersion() >= MACOS_VERSION_11_0_HEX)); } /* static */ bool nsCocoaFeatures::IsAtLeastVersion(int32_t aMajor, int32_t aMinor, int32_t aBugFix) { - return OSXVersion() >= GetVersion(aMajor, aMinor, aBugFix); + return macOSVersion() >= GetVersion(aMajor, aMinor, aBugFix); } |