V2

ui/views/rendering/border.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_BORDER_H_
+#define UI_VIEWS_BORDER_H_
+
+#include "base/logging.h"
+#include "gfx/insets.h"
+#include "third_party/skia/include/core/SkColor.h"
+
+namespace gfx {
+class Canvas;
+}
+
+namespace ui {
+
+class View;
+
+////////////////////////////////////////////////////////////////////////////////
+// Border class
+//
+//  A class that provides padding for a View. Subclass to provide custom
+//  rendering of the Border. Insets determine the size of border.
+//
+class Border {
+ public:
+  virtual ~Border();
+
+  // Create various common border types.
+  static Border* CreateSolidBorder(int thickness, SkColor color);
+  static Border* CreateTransparentBorder(const gfx::Insets& insets);
+
+  gfx::Insets insets() const { return insets_; }
+  void set_insets(const gfx::Insets& insets) { insets_ = insets; }
+
+  virtual void Paint(const View* view, gfx::Canvas* canvas) const;
+
+ protected:
+  Border();
+
+ private:
+  gfx::Insets insets_;
+
+  DISALLOW_COPY_AND_ASSIGN(Border);
+};
+
+}  // namespace ui
+
+#endif  // UI_VIEWS_BORDER_H_