Copy'n'paste (340071) and drag'n'drop (340890) between Mozilla app running natively and Mozilla app running under Rosetta translation does not work [properly]. Byte-swap UTF-16 text in private flavors when running under Rosetta. r=josh sr=pink a/1.8.1=me

git-svn-id: svn://10.0.0.236/trunk@199998 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpcom/base/nsIMacUtils.idl

@@ -41,7 +41,7 @@
  * nsIMacUtils: Generic globally-available Mac-specific utilities.
  */
 
-[scriptable, uuid(59BE3453-873B-450D-8DB8-2643E08A00BE)]
+[scriptable, uuid(F6FC107C-5CBA-4C5C-A35E-B69D580D1DB6)]
 interface nsIMacUtils : nsISupports
 {
   /**
@@ -49,4 +49,9 @@ interface nsIMacUtils : nsISupports
    * ppc and x86 (universal binary).
    */
   readonly attribute boolean isUniversalBinary;
+
+  /**
+   * True when running under binary translation (Rosetta).
+   */
+  readonly attribute boolean isTranslated;
 };

mozilla/xpcom/base/nsMacUtilsImpl.cpp

@@ -40,6 +40,7 @@
 #include <CoreFoundation/CoreFoundation.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <sys/sysctl.h>
 #include <mach-o/fat.h>
 
 NS_IMPL_ISUPPORTS1(nsMacUtilsImpl, nsIMacUtils)
@@ -123,3 +124,31 @@ done:
 
   return NS_OK;
 }
+
+/* readonly attribute boolean isTranslated; */
+// True when running under binary translation (Rosetta).
+NS_IMETHODIMP nsMacUtilsImpl::GetIsTranslated(PRBool *aIsTranslated)
+{
+#ifdef __ppc__
+  static PRBool  sInitialized = PR_FALSE;
+
+  // Initialize sIsNative to 1.  If the sysctl fails because it doesn't
+  // exist, then translation is not possible, so the process must not be
+  // running translated.
+  static PRInt32 sIsNative = 1;
+
+  if (!sInitialized) {
+    size_t sz = sizeof(sIsNative);
+    sysctlbyname("sysctl.proc_native", &sIsNative, &sz, NULL, 0);
+    sInitialized = PR_TRUE;
+  }
+
+  *aIsTranslated = !sIsNative;
+#else
+  // Translation only exists for ppc code.  Other architectures aren't
+  // translated.
+  *aIsTranslated = PR_FALSE;
+#endif
+
+  return NS_OK;
+}