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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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/. */
#define MAC_OS_X_VERSION_MASK 0x0000FFFF // Not supported
#define MAC_OS_X_VERSION_10_4_HEX 0x00001040 // Not supported
#define MAC_OS_X_VERSION_10_5_HEX 0x00001050
#define MAC_OS_X_VERSION_10_6_HEX 0x00001060
#define MAC_OS_X_VERSION_10_7_HEX 0x00001070
#define MAC_OS_X_VERSION_10_8_HEX 0x00001080
// This API will not work for OS X 10.10, see Gestalt.h.
#include "nsCocoaFeatures.h"
#include "nsDebug.h"
#include "nsObjCExceptions.h"
#import <Cocoa/Cocoa.h>
int32_t nsCocoaFeatures::mOSXVersion = 0;
static int intAtStringIndex(NSArray *array, int index)
{
return [(NSString *)[array objectAtIndex:index] integerValue];
}
static void GetSystemVersion(int &major, int &minor, int &bugfix)
{
major = minor = bugfix = 0;
NSString* versionString = [[NSDictionary dictionaryWithContentsOfFile:
@"/System/Library/CoreServices/SystemVersion.plist"] objectForKey:@"ProductVersion"];
NSArray* versions = [versionString componentsSeparatedByString:@"."];
NSUInteger count = [versions count];
if (count > 0) {
major = intAtStringIndex(versions, 0);
if (count > 1) {
minor = intAtStringIndex(versions, 1);
if (count > 2) {
bugfix = intAtStringIndex(versions, 2);
}
}
}
}
/* static */ int32_t
nsCocoaFeatures::OSXVersion()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (!mOSXVersion) {
int major, minor, bugfix;
GetSystemVersion(major, minor, bugfix);
if (major != 10) {
NS_ERROR("Couldn't determine OS X version, assuming 10.6");
mOSXVersion = MAC_OS_X_VERSION_10_6_HEX;
}
else if (minor < 6) {
NS_ERROR("OS X version too old, assuming 10.6");
mOSXVersion = MAC_OS_X_VERSION_10_6_HEX;
}
else {
mOSXVersion = 0x1000 + (minor << 4);
}
}
return mOSXVersion;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(0);
}
/* static */ bool
nsCocoaFeatures::SupportCoreAnimationPlugins()
{
// Disallow Core Animation on 10.5 because of crashes.
// See Bug 711564.
return (OSXVersion() >= MAC_OS_X_VERSION_10_6_HEX);
}
/* static */ bool
nsCocoaFeatures::OnLionOrLater()
{
return (OSXVersion() >= MAC_OS_X_VERSION_10_7_HEX);
}
/* static */ bool
nsCocoaFeatures::OnMountainLionOrLater()
{
return (OSXVersion() >= MAC_OS_X_VERSION_10_8_HEX);
}
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