// 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_TRAY_ICON_H_
#define ATOM_BROWSER_UI_TRAY_ICON_H_

#include <string>

#include "atom/browser/ui/tray_icon_observer.h"
#include "base/observer_list.h"
#include "ui/base/models/simple_menu_model.h"

namespace atom {

class TrayIcon {
 public:
  static TrayIcon* Create();

  virtual ~TrayIcon();

  // Sets the image associated with this status icon.
  virtual void SetImage(const gfx::ImageSkia& image) = 0;

  // Sets the image associated with this status icon when pressed.
  virtual void SetPressedImage(const gfx::ImageSkia& image);

  // Sets the hover text for this status icon. This is also used as the label
  // for the menu item which is created as a replacement for the status icon
  // click action on platforms that do not support custom click actions for the
  // status icon (e.g. Ubuntu Unity).
  virtual void SetToolTip(const std::string& tool_tip) = 0;

  // Sets the title displayed aside of the status icon in the status bar. This
  // only works on OS X.
  virtual void SetTitle(const std::string& title);

  // Sets whether the status icon is highlighted when it is clicked. This only
  // works on OS X.
  virtual void SetHighlightMode(bool highlight);

  // Displays a notification balloon with the specified contents.
  // Depending on the platform it might not appear by the icon tray.
  virtual void DisplayBalloon(const gfx::ImageSkia& icon,
                              const base::string16& title,
                              const base::string16& contents);

  // Set the context menu for this icon.
  virtual void SetContextMenu(ui::SimpleMenuModel* menu_model) = 0;

  void AddObserver(TrayIconObserver* obs) { observers_.AddObserver(obs); }
  void RemoveObserver(TrayIconObserver* obs) { observers_.RemoveObserver(obs); }
  void NotifyClicked();
  void NotifyDoubleClicked();
  void NotifyBalloonShow();
  void NotifyBalloonClicked();
  void NotifyBalloonClosed();

 protected:
  TrayIcon();

 private:
  ObserverList<TrayIconObserver> observers_;

  DISALLOW_COPY_AND_ASSIGN(TrayIcon);
};

}  // namespace atom

#endif  // ATOM_BROWSER_UI_TRAY_ICON_H_