Index: mojo/services/public/cpp/view_manager/view_manager_delegate.h |
diff --git a/mojo/services/public/cpp/view_manager/view_manager_delegate.h b/mojo/services/public/cpp/view_manager/view_manager_delegate.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4d8e5e6035dd5cb48589a3af3afb8012de62ab4e |
--- /dev/null |
+++ b/mojo/services/public/cpp/view_manager/view_manager_delegate.h |
@@ -0,0 +1,26 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_ |
+#define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_ |
+ |
+namespace mojo { |
+namespace view_manager { |
+ |
+class ViewManager; |
+class ViewTreeNode; |
+ |
+class ViewManagerDelegate { |
+ public: |
+ virtual void OnRootAdded(ViewManager* view_manager, ViewTreeNode* root) {} |
+ virtual void OnRootRemoved(ViewManager* view_manager, ViewTreeNode* root) {} |
+ |
+ protected: |
+ virtual ~ViewManagerDelegate() {} |
+}; |
+ |
+} // namespace view_manager |
+} // namespace mojo |
+ |
+#endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_ |