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+// Copyright (c) 2010 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 VIEWS_BOX_LAYOUT_H_
+#define VIEWS_BOX_LAYOUT_H_
+
+#include "base/basictypes.h"
+#include "views/layout_manager.h"
+
+namespace views {
+
+// A Layout manager that arranges child views vertically or horizontally in a
+// side-by-side fashion with spacing around and between the child views. The
+// child views are always sized according to their preferred size. If the
+// host's bounds provide insufficient space, child views will be clamped.
+// Excess space will not be distributed.
+class BoxLayout : public LayoutManager {
+ public:
+  enum Orientation {
+    kHorizontal,
+    kVertical,
+  };
+
+  // Use |inside_border_spacing| to add additional space between the child view
+  // area and the host view border. |between_child_spacing| controls the space
+  // in between child views.
+  BoxLayout(Orientation orientation,
+            int inside_border_spacing,
+            int between_child_spacing);
+  virtual ~BoxLayout() {}
+
+  // Overridden from views::LayoutManager:
+  virtual void Layout(View* host);
+  virtual gfx::Size GetPreferredSize(View* host);
+
+ private:
+  const Orientation orientation_;
+
+  // Spacing between child views and host view border.
+  const int inside_border_spacing_;
+  // Spacing to put in between child views.
+  const int between_child_spacing_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(BoxLayout);
+};
+
+} // namespace views
+
+#endif // VIEWS_BOX_LAYOUT_H_