Improvements to debugging code which prints the views hierarchy.

BUG=None
TEST=None


Review URL: http://codereview.chromium.org/7906015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@102011 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 16 insertions, 10 deletions

diff --git a/views/view.h b/views/view.h
index a9cf33a..2ebd832 100644
--- a/views/view.h
+++ b/views/view.h
@@ -1078,6 +1078,22 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   static int GetHorizontalDragThreshold();
   static int GetVerticalDragThreshold();
 
+  // Debugging -----------------------------------------------------------------
+
+#if !defined(NDEBUG)
+  // Returns string containing a graph of the views hierarchy in graphViz DOT
+  // language (http://graphviz.org/). Can be called within debugger and save
+  // to a file to compile/view.
+  // Note: Assumes initial call made with first = true.
+  virtual std::string PrintViewGraph(bool first);
+
+  // Some classes may own an object which contains the children to displayed in
+  // the views hierarchy. The above function gives the class the flexibility to
+  // decide which object should be used to obtain the children, but this
+  // function makes the decision explicit.
+  std::string DoPrintViewGraph(bool first, View* view_with_children);
+#endif
+
  private:
   friend class internal::NativeWidgetView;
   friend class internal::RootView;
@@ -1296,16 +1312,6 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // supported drag operations. When done, OnDragDone is invoked.
   void DoDrag(const MouseEvent& event, const gfx::Point& press_pt);
 
-  // Debugging -----------------------------------------------------------------
-
-#if defined(TOUCH_DEBUG)
-  // Returns string containing a graph of the views hierarchy in graphViz DOT
-  // language (http://graphviz.org/). Can be called within debugger and save
-  // to a file to compile/view.
-  // Note: Assumes initial call made with first = true.
-  std::string PrintViewGraph(bool first);
-#endif
-
   //////////////////////////////////////////////////////////////////////////////
 
   // Creation and lifetime -----------------------------------------------------