chrome/browser/ui/views/profiles/avatar_menu_button.h

// Copyright 2014 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 CHROME_BROWSER_UI_VIEWS_PROFILES_AVATAR_MENU_BUTTON_H_
#define CHROME_BROWSER_UI_VIEWS_PROFILES_AVATAR_MENU_BUTTON_H_

#include <string>

#include "base/compiler_specific.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/views/controls/button/menu_button.h"
#include "ui/views/controls/button/menu_button_listener.h"
#include "ui/views/view_targeter_delegate.h"

namespace gfx {
class Canvas;
class Image;
}
class Browser;
class Profile;

// AvatarMenuButton
//
// A button used to show either the incognito avatar or the profile avatar.
// The button can optionally have a menu attached to it.

class AvatarMenuButton : public views::MenuButton,
                         public views::MenuButtonListener,
                         public views::ViewTargeterDelegate {
 public:
  // Internal class name.
  static const char kViewClassName[];

  // Creates a new button. Unless |disabled| is true, clicking on the button
  // will cause the profile menu to be displayed.
  AvatarMenuButton(Browser* browser, bool disabled);

  ~AvatarMenuButton() override;

  // views::MenuButton:
  const char* GetClassName() const override;
  void OnPaint(gfx::Canvas* canvas) override;

  // Sets the image for the avatar button. Rectangular images, as opposed
  // to Chrome avatar icons, will be resized and modified for the title bar.
  virtual void SetAvatarIcon(const gfx::Image& icon, bool is_rectangle);

  void set_button_on_right(bool button_on_right) {
    button_on_right_ = button_on_right;
  }
  bool button_on_right() { return button_on_right_; }

  // Get avatar images for the profile.  |avatar| is used in the browser window
  // whereas |taskbar_badge_avatar| is used for the OS taskbar.  If
  // |taskbar_badge_avatar| is empty then |avatar| should be used for the
  // taskbar as well.
  static void GetAvatarImages(Profile* profile,
                              gfx::Image* avatar,
                              gfx::Image* taskbar_badge_avatar,
                              bool *is_rectangle);

 private:
  // views::ViewTargeterDelegate:
  bool DoesIntersectRect(const views::View* target,
                         const gfx::Rect& rect) const override;

  // views::MenuButtonListener:
  void OnMenuButtonClicked(views::View* source,
                           const gfx::Point& point) override;

  Browser* browser_;
  bool disabled_;
  scoped_ptr<ui::MenuModel> menu_model_;

  // Use a scoped ptr because gfx::Image doesn't have a default constructor.
  scoped_ptr<gfx::Image> icon_;
  gfx::ImageSkia button_icon_;
  bool is_rectangle_;
  int old_height_;
  // True if the avatar button is on the right side of the browser window.
  bool button_on_right_;

  DISALLOW_COPY_AND_ASSIGN(AvatarMenuButton);
};

#endif  // CHROME_BROWSER_UI_VIEWS_PROFILES_AVATAR_MENU_BUTTON_H_