From 16d2852d25a1c2c90ac5a2f90f7753564b082afc Mon Sep 17 00:00:00 2001
From: "Philipp Lohmann [pl]" <Philipp.Lohmann@Sun.COM>
Date: Wed, 26 May 2010 10:22:48 +0200
Subject: [PATCH] vcl112: #i111819# resolve aliases

---
 fpicker/source/aqua/FilterHelper.cxx       | 11 ++++++++
 fpicker/source/aqua/NSURL_OOoAdditions.hxx | 13 +++++++---
 fpicker/source/aqua/NSURL_OOoAdditions.mm  | 30 ++++++++++++++++++++++
 3 files changed, 50 insertions(+), 4 deletions(-)

diff --git a/fpicker/source/aqua/FilterHelper.cxx b/fpicker/source/aqua/FilterHelper.cxx
index 10e429f201c5..9c644326005e 100644
--- a/fpicker/source/aqua/FilterHelper.cxx
+++ b/fpicker/source/aqua/FilterHelper.cxx
@@ -35,6 +35,7 @@
 // #endif
 #include "CFStringUtilities.hxx"
 #include "NSString_OOoAdditions.hxx"
+#include "NSURL_OOoAdditions.hxx"
 
 #include "FilterHelper.hxx"
 
@@ -428,6 +429,16 @@ sal_Bool FilterHelper::filenameMatchesFilter(NSString* sFilename)
         }
     }
 
+    // might be an alias
+    NSString* pResolved = resolveAlias( sFilename );
+    if( pResolved )
+    {
+        sal_Bool bResult = filenameMatchesFilter( pResolved );
+        [pResolved autorelease];
+        if( bResult )
+            return sal_True;
+    }
+
     DBG_PRINT_EXIT(CLASS_NAME, __func__);
 
     return sal_False;
diff --git a/fpicker/source/aqua/NSURL_OOoAdditions.hxx b/fpicker/source/aqua/NSURL_OOoAdditions.hxx
index 8be2c0362096..31b55385e155 100644
--- a/fpicker/source/aqua/NSURL_OOoAdditions.hxx
+++ b/fpicker/source/aqua/NSURL_OOoAdditions.hxx
@@ -29,15 +29,20 @@
 #define _NSURL_OOOADDITIONS_HXX_
 
 #include <premac.h>
-#include <Foundation/Foundation.h>
+#include <CoreFoundation/CoreFoundation.h>
 #include <postmac.h>
 #include "CFStringUtilities.hxx"
 #include <rtl/ustring.hxx>
 
-// #include <sal/types.h>
-
 @interface NSURL (OOoAdditions)
 - (rtl::OUString) OUStringForInfo:(InfoType)info;
 @end
 
-#endif
\ No newline at end of file
+/*
+    returns the resolved string if there was an alias
+    if there was no alias, nil is returned
+*/
+
+NSString* resolveAlias( NSString* i_pSystemPath );
+
+#endif
diff --git a/fpicker/source/aqua/NSURL_OOoAdditions.mm b/fpicker/source/aqua/NSURL_OOoAdditions.mm
index 56fc198650c8..ecc38b7e232b 100644
--- a/fpicker/source/aqua/NSURL_OOoAdditions.mm
+++ b/fpicker/source/aqua/NSURL_OOoAdditions.mm
@@ -80,3 +80,33 @@
     return sResult;
 }
 @end
+
+NSString* resolveAlias( NSString* i_pSystemPath )
+{
+    NSString* pResolvedPath = nil;
+    CFURLRef rUrl = CFURLCreateWithFileSystemPath( kCFAllocatorDefault,
+                                                   (CFStringRef)i_pSystemPath,
+                                                   kCFURLPOSIXPathStyle, false);
+    if( rUrl != NULL )
+    {
+        FSRef rFS;
+        if( CFURLGetFSRef( rUrl, &rFS ) )
+        {
+            MacOSBoolean bIsFolder = false;
+            MacOSBoolean bAlias = false;
+            OSErr err = FSResolveAliasFile( &rFS, true, &bIsFolder, &bAlias);
+            if( (err == noErr) && bAlias )
+            {
+                CFURLRef rResolvedUrl = CFURLCreateFromFSRef( kCFAllocatorDefault, &rFS );
+                if( rResolvedUrl != NULL )
+                {
+                    pResolvedPath = (NSString*)CFURLCopyFileSystemPath( rResolvedUrl, kCFURLPOSIXPathStyle );
+                    CFRelease( rResolvedUrl );
+                }
+            }
+        }
+        CFRelease( rUrl );
+    }
+    
+    return pResolvedPath;
+}