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