Merge pull request #24 from roytam1/nt351fix

NT 3.51 fixes

browser/components/preferences/main.js

@@ -307,10 +307,12 @@ var gMainPane = {
    */
   _folderToIndex: function (aFolder)
   {
+   try {
     if (!aFolder || aFolder.equals(this._getDownloadsFolder("Desktop")))
       return 0;
     else if (aFolder.equals(this._getDownloadsFolder("Downloads")))
       return 1;
+   } catch(e) {}
     return 2;
   },
 
@@ -326,8 +328,13 @@ var gMainPane = {
   {
     var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"]
                                 .getService(Components.interfaces.nsIProperties);
-    var dir = fileLocator.get(this._getSpecialFolderKey(aFolder),
+    var dir;
+    try {
+      dir = fileLocator.get(this._getSpecialFolderKey(aFolder),
                               Components.interfaces.nsILocalFile);
+    } catch(e) {
+      dir = aFolder;
+    }
     if (aFolder != "Desktop")
       dir.append("My Downloads"); // XXX l12y!
 

toolkit/content/contentAreaUtils.js

@@ -515,9 +515,11 @@ function getTargetFile(aFpP, aSkipPrompt)
   {
     var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"]
                                 .getService(Components.interfaces.nsIProperties);
-    
+    var dir;
-    var dir = fileLocator.get(getSpecialFolderKey(aFolder), Components.interfaces.nsILocalFile);
+    try {
-    
+      dir = fileLocator.get(getSpecialFolderKey(aFolder), Components.interfaces.nsILocalFile);
+    }
+    catch (e) {}
     var bundle = Components.classes["@mozilla.org/intl/stringbundle;1"]
                            .getService(Components.interfaces.nsIStringBundleService);
     bundle = bundle.createBundle("chrome://mozapps/locale/downloads/unknownContentType.properties");
@@ -544,6 +546,7 @@ function getTargetFile(aFpP, aSkipPrompt)
   if (!aSkipPrompt || !useDownloadDir || !dir) {
     // If we're asking the user where to save the file, root the Save As...
     // dialog on they place they last picked. 
+   if(!dir) {
     try {
       dir = prefs.getComplexValue("lastDir", nsILocalFile);
     }
@@ -552,8 +555,15 @@ function getTargetFile(aFpP, aSkipPrompt)
       var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"]
                                   .getService(Components.interfaces.nsIProperties);
       
+      try {
         dir = fileLocator.get(getSpecialFolderKey("Desktop"), nsILocalFile);
       }
+      catch (r) {
+        // no clue, try current dir
+        dir = '.';
+      }
+    }
+   }
 
     var fp = makeFilePicker();
     var titleKey = aFpP.fpTitleKey || "SaveLinkTitle";

widget/src/windows/nsFilePicker.cpp

@@ -89,6 +89,7 @@ char nsFilePicker::mLastUsedDirectory[MAX_PATH+1] = { 0 };
 nsFilePicker::nsFilePicker()
 {
   mSelectedType   = 1;
+  mWinVer = GetVersion() & 0xFF;
 }
 
 //-------------------------------------------------------------------------
@@ -153,7 +154,7 @@ NS_IMETHODIMP nsFilePicker::ShowW(PRInt16 *aReturnVal)
 
 #ifndef WINCE
 
-  if (mMode == modeGetFolder) {
+  if (mMode == modeGetFolder && mWinVer > 3) {
     PRUnichar dirBuffer[MAX_PATH+1];
     wcsncpy(dirBuffer, initialDir.get(), MAX_PATH);
 
@@ -244,13 +245,17 @@ NS_IMETHODIMP nsFilePicker::ShowW(PRInt16 *aReturnVal)
 #ifndef WINCE
     try {
 #endif
-      if (mMode == modeOpen) {
+      if (mMode == modeOpen || mMode == modeGetFolder) {
         // FILE MUST EXIST!
-        ofn.Flags |= OFN_FILEMUSTEXIST;
+        if(mMode == modeOpen) ofn.Flags |= OFN_FILEMUSTEXIST;
+        else {
+          fileBuffer[0]='t'; fileBuffer[1]='h'; fileBuffer[2]='i'; fileBuffer[3]='s';
+          fileBuffer[4]='D'; fileBuffer[5]='i'; fileBuffer[6]='r';
+        }
         result = nsToolkit::mGetOpenFileName(&ofn);
       }
       else if (mMode == modeOpenMultiple) {
-        ofn.Flags |= OFN_FILEMUSTEXIST | OFN_ALLOWMULTISELECT | OFN_EXPLORER;
+        ofn.Flags |= OFN_FILEMUSTEXIST | OFN_ALLOWMULTISELECT | (mWinVer > 3 ? OFN_EXPLORER : 0);
         result = nsToolkit::mGetOpenFileName(&ofn);
       }
       else if (mMode == modeSave) {
@@ -345,6 +350,17 @@ NS_IMETHODIMP nsFilePicker::ShowW(PRInt16 *aReturnVal)
         }
       }
       else {
+        // Get DirPath from Full Pathname
+        if(mMode == modeGetFolder) {
+          int cnt;
+          nsAutoString dirName(fileBuffer);
+          for(cnt=dirName.Length()-1;cnt > 1; cnt--) {
+            if (fileBuffer[cnt] == '\\') {
+              fileBuffer[cnt] = 0;
+              break;
+            }
+          }
+        }
         // I think it also needs a conversion here (to unicode since appending to nsString) 
         // but doing that generates garbage file name, weird.
         mUnicodeFile.Assign(fileBuffer);

widget/src/windows/nsFilePicker.h

@@ -97,6 +97,7 @@ protected:
   static char            mLastUsedDirectory[];
   nsString               mUnicodeFile;
   static nsString        mLastUsedUnicodeDirectory;
+  PRInt32                mWinVer;
 };
 
 #endif // nsFilePicker_h__