/*
 * Copyright (c) 2018 ETH Zürich, Educational Development and Technology (LET)
 * 
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

namespace SafeExamBrowser.Contracts.UserInterface.Taskbar
{
	/// <summary>
	/// Defines the functionality of the application taskbar. The taskbar is the main user interface element via which the user can access
	/// the browser, third-party applications, system controls and so on.
	/// </summary>
	public interface ITaskbar
	{
		/// <summary>
		/// Event fired when the user clicked the quit button in the taskbar.
		/// </summary>
		event QuitButtonClickedEventHandler QuitButtonClicked;

		/// <summary>
		/// Adds the given application button to the taskbar.
		/// </summary>
		void AddApplication(IApplicationButton button);

		/// <summary>
		/// Adds the given notification button to the taskbar.
		/// </summary>
		void AddNotification(INotificationButton button);

		/// <summary>
		/// Adds the given system control to the taskbar.
		/// </summary>
		void AddSystemControl(ISystemControl control);

		/// <summary>
		/// Closes the taskbar.
		/// </summary>
		void Close();

		/// <summary>
		/// Returns the absolute height of the taskbar (i.e. in physical pixels).
		/// </summary>
		int GetAbsoluteHeight();

		/// <summary>
		/// Moves the taskbar to the bottom of and resizes it according to the current working area.
		/// </summary>
		void InitializeBounds();
	}
}