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nsCocoaFeatures.mm
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nsCocoaFeatures.mm
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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 */ int32_t
nsCocoaFeatures::OSXVersion()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (!mOSXVersion) {
// minor version is not accurate, use gestaltSystemVersionMajor,
// gestaltSystemVersionMinor, gestaltSystemVersionBugFix for these
OSErr err = ::Gestalt(gestaltSystemVersion, reinterpret_cast<SInt32*>(&mOSXVersion));
if (err != noErr) {
// This should probably be changed when our minimum version changes
NS_ERROR("Couldn't determine OS X version, assuming 10.5");
mOSXVersion = MAC_OS_X_VERSION_10_5_HEX;
}
mOSXVersion &= MAC_OS_X_VERSION_MASK;
}
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);
}