add folder size to folder pane, r=cavin, sr=sspitzer, 173825

mailnews/base/resources/content/folderPane.xul

@@ -96,6 +96,9 @@
           <binding subject="?member"
                    predicate="http://home.netscape.com/NC-rdf#TotalMessages"
                    object="?totalCount" />
+          <binding subject="?member"
+                   predicate="http://home.netscape.com/NC-rdf#FolderSize"
+                   object="?folderSize" />
           <binding subject="?member"
                    predicate="http://home.netscape.com/NC-rdf#PageTitleFakeAccount"
                    object="?fakeAccount" />
@@ -112,6 +115,7 @@
                               properties="hasUnreadMessages-?hasUnreadMessages subfoldersHaveUnreadMessages-?subfoldersHaveUnreadMessages"/>
                 <treecell label="?totalCount"
                               properties="hasUnreadMessages-?hasUnreadMessages subfoldersHaveUnreadMessages-?subfoldersHaveUnreadMessages"/>
+                <treecell label="?folderSize"/>
               </treerow>
             </treeitem>
           </treechildren>
@@ -139,6 +143,11 @@
                    persist="hidden width"
                    flex="1"
                    label="&totalColumn.label;"/>
+      <splitter class="tree-splitter"/>
+      <treecol id="folderSizeCol"
+                   persist="hidden width"
+                   flex="1"
+                   label="&folderSizeColumn.label;"/>
     </treecols>
   </tree>
 </overlay>

mailnews/base/resources/content/msgMail3PaneWindow.js

@@ -790,6 +790,11 @@ function UpgradeFolderPaneUI()
     var folderTotalCol = document.getElementById("folderTotalCol");
     folderTotalCol.setAttribute("hidden", "true");
     pref.setIntPref("mail.ui.folderpane.version", 2);
+  } // we fall through to the == 2 case so we'll upgrade v 1 profiles correctly
+  if (folderPaneUIVersion <= 2) {
+    var folderSizeCol = document.getElementById("folderSizeCol");
+    folderSizeCol.setAttribute("hidden", "true");
+    pref.setIntPref("mail.ui.folderpane.version", 3);
   }
 }
 

mailnews/base/resources/locale/en-US/folderpane.dtd

@@ -20,6 +20,7 @@ Rights Reserved.
 <!ENTITY nameColumn.label   "Name"> 
 <!ENTITY unreadColumn.label "Unread"> 
 <!ENTITY totalColumn.label "Total"> 
+<!ENTITY folderSizeColumn.label "Size"> 
 <!ENTITY accounts.label "Accounts">
 <!-- LOCALIZATION NOTE (accounts.img) : DONT_TRANSLATE -->
 <!ENTITY accounts.img "chrome://messenger/skin/local-mailhost.gif">