text: // Copyright 2016 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_STYLE_MAC_COMBOBOX_BACKGROUND_MAC_H_
  #define UI_VIEWS_STYLE_MAC_COMBOBOX_BACKGROUND_MAC_H_
  
  #include "base/macros.h"
  #include "ui/views/background.h"
  
  namespace gfx {
  class Canvas;
  }
  
  namespace views {
  
  // This class implements the background of comboboxes. Comboboxes look like
  // this:
  //   ---------------------------
  //   | Option Text... | Arrows |
  //   ---------------------------
  // This class colors the background of the arrows section in accordance with our
  // Mac look and feel.
  class ComboboxBackgroundMac : public Background {
   public:
    // The |container_width| argument is the width of the "arrows" section from
    // the diagram above, including any necessary padding around the actual arrow.
    explicit ComboboxBackgroundMac(int container_width);
    ~ComboboxBackgroundMac() override;
  
    // Background:
    void Paint(gfx::Canvas* canvas, View* view) const override;
  
   private:
    int container_width_;
  
    DISALLOW_COPY_AND_ASSIGN(ComboboxBackgroundMac);
  };
  
  }  // namespace views
  
  #endif  // UI_VIEWS_STYLE_MAC_COMBOBOX_BACKGROUND_MAC_H_
  