refactor: rename the atom directory to shell

shell/browser/ui/views/submenu_button.h

@@ -0,0 +1,63 @@
+// Copyright (c) 2014 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_UI_VIEWS_SUBMENU_BUTTON_H_
+#define ATOM_BROWSER_UI_VIEWS_SUBMENU_BUTTON_H_
+
+#include <memory>
+
+#include "ui/accessibility/ax_node_data.h"
+#include "ui/views/animation/ink_drop_highlight.h"
+#include "ui/views/controls/button/menu_button.h"
+
+namespace atom {
+
+// Special button that used by menu bar to show submenus.
+class SubmenuButton : public views::MenuButton {
+ public:
+  SubmenuButton(const base::string16& title,
+                views::MenuButtonListener* menu_button_listener,
+                const SkColor& background_color);
+  ~SubmenuButton() override;
+
+  void SetAcceleratorVisibility(bool visible);
+  void SetUnderlineColor(SkColor color);
+
+  base::char16 accelerator() const { return accelerator_; }
+
+  void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
+
+  // views::MenuButton:
+  void PaintButtonContents(gfx::Canvas* canvas) override;
+
+  // views::InkDropHostView:
+  std::unique_ptr<views::InkDropRipple> CreateInkDropRipple() const override;
+  std::unique_ptr<views::InkDrop> CreateInkDrop() override;
+
+ private:
+  bool GetUnderlinePosition(const base::string16& text,
+                            base::char16* accelerator,
+                            int* start,
+                            int* end) const;
+  void GetCharacterPosition(const base::string16& text,
+                            int index,
+                            int* pos) const;
+
+  base::char16 accelerator_ = 0;
+
+  bool show_underline_ = false;
+
+  int underline_start_ = 0;
+  int underline_end_ = 0;
+  int text_width_ = 0;
+  int text_height_ = 0;
+  SkColor underline_color_ = SK_ColorBLACK;
+  SkColor background_color_;
+
+  DISALLOW_COPY_AND_ASSIGN(SubmenuButton);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_UI_VIEWS_SUBMENU_BUTTON_H_