michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #define MAC_OS_X_VERSION_MASK      0x0000FFFF
michael@0: #define MAC_OS_X_VERSION_10_6_HEX  0x00001060
michael@0: #define MAC_OS_X_VERSION_10_7_HEX  0x00001070
michael@0: #define MAC_OS_X_VERSION_10_8_HEX  0x00001080
michael@0: #define MAC_OS_X_VERSION_10_9_HEX  0x00001090
michael@0: #define MAC_OS_X_VERSION_10_10_HEX 0x000010A0
michael@0: 
michael@0: // This API will not work for OS X 10.10, see Gestalt.h.
michael@0: 
michael@0: #include "nsCocoaFeatures.h"
michael@0: #include "nsCocoaUtils.h"
michael@0: #include "nsDebug.h"
michael@0: #include "nsObjCExceptions.h"
michael@0: 
michael@0: #import <Cocoa/Cocoa.h>
michael@0: 
michael@0: int32_t nsCocoaFeatures::mOSXVersion = 0;
michael@0: int32_t nsCocoaFeatures::mOSXVersionMajor = 0;
michael@0: int32_t nsCocoaFeatures::mOSXVersionMinor = 0;
michael@0: int32_t nsCocoaFeatures::mOSXVersionBugFix = 0;
michael@0: 
michael@0: static int intAtStringIndex(NSArray *array, int index)
michael@0: {
michael@0:     return [(NSString *)[array objectAtIndex:index] integerValue];
michael@0: }
michael@0: 
michael@0: static void GetSystemVersion(int &major, int &minor, int &bugfix)
michael@0: {
michael@0:     major = minor = bugfix = 0;
michael@0:     
michael@0:     NSString* versionString = [[NSDictionary dictionaryWithContentsOfFile:
michael@0:                                 @"/System/Library/CoreServices/SystemVersion.plist"] objectForKey:@"ProductVersion"];
michael@0:     NSArray* versions = [versionString componentsSeparatedByString:@"."];
michael@0:     NSUInteger count = [versions count];
michael@0:     if (count > 0) {
michael@0:         major = intAtStringIndex(versions, 0);
michael@0:         if (count > 1) {
michael@0:             minor = intAtStringIndex(versions, 1);
michael@0:             if (count > 2) {
michael@0:                 bugfix = intAtStringIndex(versions, 2);
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: }
michael@0: 
michael@0: /*static*/ void
michael@0: nsCocoaFeatures::InitializeVersionNumbers()
michael@0: {
michael@0:     NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
michael@0: 
michael@0:     // Provide an autorelease pool to avoid leaking Cocoa objects,
michael@0:     // as this gets called before the main autorelease pool is in place.
michael@0:     nsAutoreleasePool localPool;
michael@0: 
michael@0:     int major, minor, bugfix;
michael@0:     GetSystemVersion(major, minor, bugfix);
michael@0: 
michael@0:     mOSXVersionMajor = major;
michael@0:     mOSXVersionMinor = minor;
michael@0:     mOSXVersionBugFix = bugfix;
michael@0: 
michael@0:     if (major < 10) {
michael@0:         NS_ERROR("Couldn't determine OS X version, assuming 10.6");
michael@0:         mOSXVersion = MAC_OS_X_VERSION_10_6_HEX;
michael@0:         mOSXVersionMajor = 10;
michael@0:         mOSXVersionMinor = 6;
michael@0:         mOSXVersionBugFix = 0;
michael@0:     } else if (minor < 6) {
michael@0:         NS_ERROR("OS X version too old, assuming 10.6");
michael@0:         mOSXVersion = MAC_OS_X_VERSION_10_6_HEX;
michael@0:         mOSXVersionMinor = 6;
michael@0:         mOSXVersionBugFix = 0;
michael@0:     } else {
michael@0:         mOSXVersion = 0x1000 + (minor << 4);
michael@0:     }
michael@0: 
michael@0:     NS_OBJC_END_TRY_ABORT_BLOCK;
michael@0: }
michael@0: 
michael@0: /* static */ int32_t
michael@0: nsCocoaFeatures::OSXVersion()
michael@0: {
michael@0:     if (!mOSXVersion) {
michael@0:         InitializeVersionNumbers();
michael@0:     }
michael@0:     return mOSXVersion;
michael@0: }
michael@0: 
michael@0: /* static */ int32_t
michael@0: nsCocoaFeatures::OSXVersionMajor()
michael@0: {
michael@0:     if (!mOSXVersion) {
michael@0:         InitializeVersionNumbers();
michael@0:     }
michael@0:     return mOSXVersionMajor;
michael@0: }
michael@0: 
michael@0: /* static */ int32_t
michael@0: nsCocoaFeatures::OSXVersionMinor()
michael@0: {
michael@0:     if (!mOSXVersion) {
michael@0:         InitializeVersionNumbers();
michael@0:     }
michael@0:     return mOSXVersionMinor;
michael@0: }
michael@0: 
michael@0: /* static */ int32_t
michael@0: nsCocoaFeatures::OSXVersionBugFix()
michael@0: {
michael@0:     if (!mOSXVersion) {
michael@0:         InitializeVersionNumbers();
michael@0:     }
michael@0:     return mOSXVersionBugFix;
michael@0: }
michael@0: 
michael@0: /* static */ bool
michael@0: nsCocoaFeatures::SupportCoreAnimationPlugins()
michael@0: {
michael@0:     // Disallow Core Animation on 10.5 because of crashes.
michael@0:     // See Bug 711564.
michael@0:     return (OSXVersion() >= MAC_OS_X_VERSION_10_6_HEX);
michael@0: }
michael@0: 
michael@0: /* static */ bool
michael@0: nsCocoaFeatures::OnLionOrLater()
michael@0: {
michael@0:     return (OSXVersion() >= MAC_OS_X_VERSION_10_7_HEX);
michael@0: }
michael@0: 
michael@0: /* static */ bool
michael@0: nsCocoaFeatures::OnMountainLionOrLater()
michael@0: {
michael@0:     return (OSXVersion() >= MAC_OS_X_VERSION_10_8_HEX);
michael@0: }
michael@0: 
michael@0: /* static */ bool
michael@0: nsCocoaFeatures::OnMavericksOrLater()
michael@0: {
michael@0:     return (OSXVersion() >= MAC_OS_X_VERSION_10_9_HEX);
michael@0: }
michael@0: 
michael@0: /* static */ bool
michael@0: nsCocoaFeatures::OnYosemiteOrLater()
michael@0: {
michael@0:     return (OSXVersion() >= MAC_OS_X_VERSION_10_10_HEX);
michael@0: }