Experimental alignment layout manager using a property on the views

ui/views/examples/fill_example.h

+// Copyright (c) 2011 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 UI_VIEWS_EXAMPLES_FILL_EXAMPLE_H_
+#define UI_VIEWS_EXAMPLES_FILL_EXAMPLE_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "ui/views/controls/button/button.h"
+#include "ui/views/examples/example_base.h"
+#include "ui/views/fill_attribute.h"
+#include "ui/views/widget/widget.h"
+
+namespace views {
+
+class LabelButton;
+
+namespace examples {
+
+// AlignExample demonstrates how to use AlignAttribute to align control
+// within the parent.
+class VIEWS_EXAMPLES_EXPORT FillExample : public ExampleBase,
+                                          public ButtonListener {
+ public:
+  FillExample();
+  ~FillExample() override;
+
+  // ExampleBase:
+  void CreateExampleView(View* container) override;
+
+ private:
+  // ButtonListener:
+  void ButtonPressed(Button* sender, const ui::Event& event) override;
+  base::string16 LabelText(views::Fill fill);
+
+  LabelButton* new_fill_view_button_ = nullptr;
+  views::Fill current_fill_ = views::Fill::Top;
+
+  DISALLOW_COPY_AND_ASSIGN(FillExample);
+};
+
+}  // namespace examples
+}  // namespace views
+
+#endif  // UI_VIEWS_EXAMPLES_FILL_EXAMPLE_H_