The Tor Browser: widget/cocoa/nsCocoaFeatures.mm@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #define MAC_OS_X_VERSION_MASK      0x0000FFFF

     7 #define MAC_OS_X_VERSION_10_6_HEX  0x00001060

     8 #define MAC_OS_X_VERSION_10_7_HEX  0x00001070

     9 #define MAC_OS_X_VERSION_10_8_HEX  0x00001080

    10 #define MAC_OS_X_VERSION_10_9_HEX  0x00001090

    11 #define MAC_OS_X_VERSION_10_10_HEX 0x000010A0

    13 // This API will not work for OS X 10.10, see Gestalt.h.

    15 #include "nsCocoaFeatures.h"

    16 #include "nsCocoaUtils.h"

    17 #include "nsDebug.h"

    18 #include "nsObjCExceptions.h"

    20 #import <Cocoa/Cocoa.h>

    22 int32_t nsCocoaFeatures::mOSXVersion = 0;

    23 int32_t nsCocoaFeatures::mOSXVersionMajor = 0;

    24 int32_t nsCocoaFeatures::mOSXVersionMinor = 0;

    25 int32_t nsCocoaFeatures::mOSXVersionBugFix = 0;

    27 static int intAtStringIndex(NSArray *array, int index)

    28 {

    29     return [(NSString *)[array objectAtIndex:index] integerValue];

    30 }

    32 static void GetSystemVersion(int &major, int &minor, int &bugfix)

    33 {

    34     major = minor = bugfix = 0;

    36     NSString* versionString = [[NSDictionary dictionaryWithContentsOfFile:

    37                                 @"/System/Library/CoreServices/SystemVersion.plist"] objectForKey:@"ProductVersion"];

    38     NSArray* versions = [versionString componentsSeparatedByString:@"."];

    39     NSUInteger count = [versions count];

    40     if (count > 0) {

    41         major = intAtStringIndex(versions, 0);

    42         if (count > 1) {

    43             minor = intAtStringIndex(versions, 1);

    44             if (count > 2) {

    45                 bugfix = intAtStringIndex(versions, 2);

    46             }

    47         }

    48     }

    49 }

    51 /*static*/ void

    52 nsCocoaFeatures::InitializeVersionNumbers()

    53 {

    54     NS_OBJC_BEGIN_TRY_ABORT_BLOCK;

    56     // Provide an autorelease pool to avoid leaking Cocoa objects,

    57     // as this gets called before the main autorelease pool is in place.

    58     nsAutoreleasePool localPool;

    60     int major, minor, bugfix;

    61     GetSystemVersion(major, minor, bugfix);

    63     mOSXVersionMajor = major;

    64     mOSXVersionMinor = minor;

    65     mOSXVersionBugFix = bugfix;

    67     if (major < 10) {

    68         NS_ERROR("Couldn't determine OS X version, assuming 10.6");

    69         mOSXVersion = MAC_OS_X_VERSION_10_6_HEX;

    70         mOSXVersionMajor = 10;

    71         mOSXVersionMinor = 6;

    72         mOSXVersionBugFix = 0;

    73     } else if (minor < 6) {

    74         NS_ERROR("OS X version too old, assuming 10.6");

    75         mOSXVersion = MAC_OS_X_VERSION_10_6_HEX;

    76         mOSXVersionMinor = 6;

    77         mOSXVersionBugFix = 0;

    78     } else {

    79         mOSXVersion = 0x1000 + (minor << 4);

    80     }

    82     NS_OBJC_END_TRY_ABORT_BLOCK;

    83 }

    85 /* static */ int32_t

    86 nsCocoaFeatures::OSXVersion()

    87 {

    88     if (!mOSXVersion) {

    89         InitializeVersionNumbers();

    90     }

    91     return mOSXVersion;

    92 }

    94 /* static */ int32_t

    95 nsCocoaFeatures::OSXVersionMajor()

    96 {

    97     if (!mOSXVersion) {

    98         InitializeVersionNumbers();

    99     }

   100     return mOSXVersionMajor;

   101 }

   103 /* static */ int32_t

   104 nsCocoaFeatures::OSXVersionMinor()

   105 {

   106     if (!mOSXVersion) {

   107         InitializeVersionNumbers();

   108     }

   109     return mOSXVersionMinor;

   110 }

   112 /* static */ int32_t

   113 nsCocoaFeatures::OSXVersionBugFix()

   114 {

   115     if (!mOSXVersion) {

   116         InitializeVersionNumbers();

   117     }

   118     return mOSXVersionBugFix;

   119 }

   121 /* static */ bool

   122 nsCocoaFeatures::SupportCoreAnimationPlugins()

   123 {

   124     // Disallow Core Animation on 10.5 because of crashes.

   125     // See Bug 711564.

   126     return (OSXVersion() >= MAC_OS_X_VERSION_10_6_HEX);

   127 }

   129 /* static */ bool

   130 nsCocoaFeatures::OnLionOrLater()

   131 {

   132     return (OSXVersion() >= MAC_OS_X_VERSION_10_7_HEX);

   133 }

   135 /* static */ bool

   136 nsCocoaFeatures::OnMountainLionOrLater()

   137 {

   138     return (OSXVersion() >= MAC_OS_X_VERSION_10_8_HEX);

   139 }

   141 /* static */ bool

   142 nsCocoaFeatures::OnMavericksOrLater()

   143 {

   144     return (OSXVersion() >= MAC_OS_X_VERSION_10_9_HEX);

   145 }

   147 /* static */ bool

   148 nsCocoaFeatures::OnYosemiteOrLater()

   149 {

   150     return (OSXVersion() >= MAC_OS_X_VERSION_10_10_HEX);

   151 }

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