Virtual LocaleChanged() callback added to views hierarchy to notify

views of the locale change so they could reload relevant data.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/1145003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@42614 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 12 insertions, 2 deletions

diff --git a/views/view.cc b/views/view.cc
index a03378e..c5359a7 100644
--- a/views/view.cc
+++ b/views/view.cc
@@ -647,11 +647,15 @@ void View::PropagateAddNotifications(View* parent, View* child) {
 }
 
 void View::ThemeChanged() {
-  int c = GetChildViewCount();
-  for (int i = c - 1; i >= 0; --i)
+  for (int i = GetChildViewCount() - 1; i >= 0; --i)
     GetChildViewAt(i)->ThemeChanged();
 }
 
+void View::LocaleChanged() {
+  for (int i = GetChildViewCount() - 1; i >= 0; --i)
+    GetChildViewAt(i)->LocaleChanged();
+}
+
 #ifndef NDEBUG
 bool View::IsProcessingPaint() const {
   return GetParent() && GetParent()->IsProcessingPaint();
diff --git a/views/view.h b/views/view.h
index f2469f7..29cd1a9 100644
--- a/views/view.h
+++ b/views/view.h
@@ -982,6 +982,12 @@ class View : public AcceleratorTarget {
   // call this method on the RootView.
   virtual void ThemeChanged();
 
+  // Called when the locale has changed, overriding allows individual Views to
+  // update locale-dependent resources (strings, bitmaps) it may have cached
+  // internally. Subclasses that override this method must call the base class
+  // implementation to ensure child views are processed.
+  virtual void LocaleChanged();
+
 #ifndef NDEBUG
   // Returns true if the View is currently processing a paint.
   virtual bool IsProcessingPaint() const;