bug 122144 r=timeless sr=blake

disable 'Translate' menu item for images

xpfe/browser/resources/content/navigatorOverlay.xul

@@ -244,7 +244,7 @@
         <menuitem accesskey="&pageInfoCmd.accesskey;"   label="&pageInfoCmd.label;"   key="key_viewInfo"   command="View:PageInfo"/>
         <menuseparator />
 
-        <menuitem accesskey="&translateMenu.accesskey;" label="&translateMenu.label;" oncommand="Translate();"/>
+        <menuitem accesskey="&translateMenu.accesskey;" label="&translateMenu.label;" id="menuitem-translate" oncommand="Translate();"/>
         <menu label="&webContentMenu.label;" accesskey="&webContentMenu.accesskey;">
           <menupopup datasources="rdf:chrome"  ref="urn:mozilla:locale:root" 
                      sortResource="http://www.mozilla.org/rdf/chrome#name"

xpfe/browser/resources/content/nsBrowserStatusHandler.js

@@ -109,6 +109,7 @@ nsBrowserStatusHandler.prototype =
     this.stopMenu        = document.getElementById("menuitem-stop");
     this.stopContext     = document.getElementById("context-stop");
     this.statusTextField = document.getElementById("statusbar-display");
+    this.translateMenu   = document.getElementById("menuitem-translate");
 
   },
 
@@ -122,6 +123,7 @@ nsBrowserStatusHandler.prototype =
     this.stopMenu        = null;
     this.stopContext     = null;
     this.statusTextField = null;
+    this.translateMenu   = null;
     this.userTyped       = null;
   },
 
@@ -214,6 +216,7 @@ nsBrowserStatusHandler.prototype =
         this.stopButton.disabled = false;
         this.stopMenu.removeAttribute('disabled');
         this.stopContext.removeAttribute('disabled');
+        this.translateMenu.removeAttribute('disabled');
 
         // Initialize the progress stuff...
         this.useRealProgressFlag = false;
@@ -247,6 +250,9 @@ nsBrowserStatusHandler.prototype =
           }
           this.status = "";
           this.setDefaultStatus(msg);
+          var ctype = aRequest.QueryInterface(nsIChannel).contentType;
+          if (ctype.match(/^image\//))
+            this.translateMenu.setAttribute('disabled', 'true');
         }
 
         // Turn the progress meter and throbber off.