seb-win-refactoring/SafeExamBrowser.Configuration/WorkingArea.cs

61 lines
1.7 KiB
C#

/*
* Copyright (c) 2017 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/.
*/
using System.Windows.Forms;
using SafeExamBrowser.Contracts.Configuration;
using SafeExamBrowser.Contracts.Logging;
using SafeExamBrowser.Contracts.UserInterface;
using SafeExamBrowser.WindowsApi;
using SafeExamBrowser.WindowsApi.Types;
namespace SafeExamBrowser.Configuration
{
public class WorkingArea : IWorkingArea
{
private ILogger logger;
private RECT? originalWorkingArea;
public WorkingArea(ILogger logger)
{
this.logger = logger;
}
public void InitializeFor(ITaskbar taskbar)
{
originalWorkingArea = User32.GetWorkingArea();
LogWorkingArea("Saved original working area", originalWorkingArea.Value);
var area = new RECT
{
Left = 0,
Top = 0,
Right = Screen.PrimaryScreen.Bounds.Width,
Bottom = Screen.PrimaryScreen.Bounds.Height - taskbar.GetAbsoluteHeight()
};
LogWorkingArea("Trying to set new working area", area);
User32.SetWorkingArea(area);
LogWorkingArea("Working area is now set to", User32.GetWorkingArea());
}
public void Reset()
{
if (originalWorkingArea.HasValue)
{
User32.SetWorkingArea(originalWorkingArea.Value);
LogWorkingArea("Restored original working area", originalWorkingArea.Value);
}
}
private void LogWorkingArea(string message, RECT area)
{
logger.Info($"{message}: Left = {area.Left}, Top = {area.Top}, Right = {area.Right}, Bottom = {area.Bottom}.");
}
}
}