[osx] - add function for identifying osx snow leopard runtime

2 files changed, 22 insertions, 0 deletions

diff --git a/xbmc/osx/DarwinUtils.h b/xbmc/osx/DarwinUtils.h
index a6d2709649..292a9f18a9 100644
--- a/xbmc/osx/DarwinUtils.h
+++ b/xbmc/osx/DarwinUtils.h
@@ -34,6 +34,7 @@ extern "C"
   const char *getIosPlatformString(void);
   bool        DarwinIsAppleTV2(void);
   bool        DarwinIsMavericks(void);
+  bool        DarwinIsSnowLeopard(void);
   bool        DarwinHasRetina(void);
   const char *GetDarwinOSReleaseString(void);
   const char *GetDarwinVersionString(void);
diff --git a/xbmc/osx/DarwinUtils.mm b/xbmc/osx/DarwinUtils.mm
index a59044bbbd..0cd63cec95 100644
--- a/xbmc/osx/DarwinUtils.mm
+++ b/xbmc/osx/DarwinUtils.mm
@@ -43,6 +43,14 @@
 #import "AutoPool.h"
 #import "DarwinUtils.h"
 
+#ifndef NSAppKitVersionNumber10_5
+#define NSAppKitVersionNumber10_5 949
+#endif
+
+#ifndef NSAppKitVersionNumber10_6
+#define NSAppKitVersionNumber10_6 1038
+#endif
+
 enum iosPlatform
 {
   iDeviceUnknown = -1,
@@ -189,6 +197,19 @@ bool DarwinIsMavericks(void)
   return isMavericks == 1;
 }
 
+bool DarwinIsSnowLeopard(void)
+{
+  static int isSnowLeopard = -1;
+#if defined(TARGET_DARWIN_OSX)
+  if (isSnowLeopard == -1)
+  {
+    double appKitVersion = floor(NSAppKitVersionNumber);
+    isSnowLeopard = (appKitVersion <= NSAppKitVersionNumber10_6 && appKitVersion > NSAppKitVersionNumber10_5) ? 1 : 0;
+  }
+#endif
+  return isSnowLeopard == 1;
+}
+
 bool DarwinHasRetina(void)
 {
   static enum iosPlatform platform = iDeviceUnknown;