views/examples: Make SingleSplitViewExample a listener of SingleSplitView control.

R=sky@chromium.org

Review URL: http://codereview.chromium.org/8351036

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@108112 0039d316-1c4b-4281-b951-d872f2087c98

views/examples/single_split_view_example.cc

@@ -69,7 +69,7 @@ void SingleSplitViewExample::CreateExampleView(views::View* container) {
   single_split_view_ = new views::SingleSplitView(
       splitted_view_1, splitted_view_2,
       views::SingleSplitView::HORIZONTAL_SPLIT,
-      NULL);
+      this);
 
   views::GridLayout* layout = new views::GridLayout(container);
   container->SetLayoutManager(layout);
@@ -81,4 +81,9 @@ void SingleSplitViewExample::CreateExampleView(views::View* container) {
   layout->AddView(single_split_view_);
 }
 
+bool SingleSplitViewExample::SplitHandleMoved(views::SingleSplitView* sender) {
+  PrintStatus("Splitter moved");
+  return true;
+}
+
 }  // namespace examples

views/examples/single_split_view_example.h

@@ -8,15 +8,13 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "views/controls/single_split_view_listener.h"
 #include "views/examples/example_base.h"
 
-namespace views {
-class SingleSplitView;
-}
-
 namespace examples {
 
-class SingleSplitViewExample : public ExampleBase {
+class SingleSplitViewExample : public ExampleBase,
+                               public views::SingleSplitViewListener {
  public:
   explicit SingleSplitViewExample(ExamplesMain* main);
   virtual ~SingleSplitViewExample();
@@ -25,6 +23,8 @@ class SingleSplitViewExample : public ExampleBase {
   virtual void CreateExampleView(views::View* container) OVERRIDE;
 
  private:
+  virtual bool SplitHandleMoved(views::SingleSplitView* sender) OVERRIDE;
+
   views::SingleSplitView* single_split_view_;
 
   DISALLOW_COPY_AND_ASSIGN(SingleSplitViewExample);