en/dis-able conflicting translate infobar options

- if "always translate" options is checked, both "never translate" options are disabled
- if either or both "never translate" options are checked, "always translate" option is disabled

BUG=39174
TEST=verify per bug report.
Review URL: http://codereview.chromium.org/1569004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@43097 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/chrome/browser/views/infobars/translate_infobars.cc b/chrome/browser/views/infobars/translate_infobars.cc
index 040642e..3bebe90 100644
--- a/chrome/browser/views/infobars/translate_infobars.cc
+++ b/chrome/browser/views/infobars/translate_infobars.cc
@@ -706,6 +706,19 @@ bool TranslateInfoBar::IsCommandIdChecked(int command_id) const {
 }
 
 bool TranslateInfoBar::IsCommandIdEnabled(int command_id) const {
+  TranslateInfoBarDelegate* translate_delegate = GetDelegate();
+  switch (command_id) {
+    case IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_LANG :
+    case IDC_TRANSLATE_OPTIONS_NEVER_TRANSLATE_SITE :
+      return !translate_delegate->ShouldAlwaysTranslate();
+
+    case IDC_TRANSLATE_OPTIONS_ALWAYS :
+      return (!translate_delegate->IsLanguageBlacklisted() &&
+          !translate_delegate->IsSiteBlacklisted());
+
+    default:
+      break;
+  }
   return true;
 }