Bug 250974: dragging a link over the Downloads or Go button should display a statusbar message. r=mconnor

browser/base/content/browser.js

@@ -1919,11 +1919,15 @@ function openHomeDialog(aURL)
 var goButtonObserver = {
   onDragOver: function(aEvent, aFlavour, aDragSession)
     {
+      var statusTextFld = document.getElementById("statusbar-display");
+      statusTextFld.label = gNavigatorBundle.getString("dropongobutton");
       aEvent.target.setAttribute("dragover", "true");
       return true;
     },
   onDragExit: function (aEvent, aDragSession)
     {
+      var statusTextFld = document.getElementById("statusbar-display");
+      statusTextFld.label = "";
       aEvent.target.removeAttribute("dragover");
     },
   onDrop: function (aEvent, aXferData, aDragSession)
@@ -1948,10 +1952,18 @@ var DownloadsButtonDNDObserver = {
   // nsDragAndDrop
   onDragOver: function (aEvent, aFlavour, aDragSession)
   {
+    var statusTextFld = document.getElementById("statusbar-display");
+    statusTextFld.label = gNavigatorBundle.getString("dropondownloadsbutton");
     aDragSession.canDrop = (aFlavour.contentType == "text/x-moz-url" || 
                             aFlavour.contentType == "text/unicode");
   },
 
+  onDragExit: function (aEvent, aDragSession)
+  {
+    var statusTextFld = document.getElementById("statusbar-display");
+    statusTextFld.label = "";
+  },
+
   onDrop: function (aEvent, aXferData, aDragSession)
   {
     var split = aXferData.data.split("\n");

browser/locales/en-US/chrome/browser/browser.properties

@@ -4,6 +4,8 @@ nv_stopped=Stopped
 openFile=Open File
 defaultStatus=
 
+dropondownloadsbutton=Drop a link or file to download it
+dropongobutton=Drop a link or file to open it
 droponhomebutton=Drop a link or file to make it your home page
 droponhometitle=Set Home Page
 droponhomemsg=Do you want this document to be your new home page?