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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="ShellViewModel.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// The Shell View Model
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.ViewModels
{
using System.Windows;
using Caliburn.Micro;
using HandBrake.ApplicationServices.Services.Interfaces;
using HandBrakeWPF.Helpers;
using HandBrakeWPF.Model;
using HandBrakeWPF.Services.Interfaces;
using HandBrakeWPF.ViewModels.Interfaces;
/// <summary>
/// The Shell View Model
/// </summary>
public class ShellViewModel : ViewModelBase, IShellViewModel
{
/// <summary>
/// Backing field for the error service.
/// </summary>
private readonly IErrorService errorService;
#region Constants and Fields
/// <summary>
/// The show main window.
/// </summary>
private bool showMainWindow;
/// <summary>
/// The show options.
/// </summary>
private bool showOptions;
#endregion
/// <summary>
/// Initializes a new instance of the <see cref="ShellViewModel"/> class.
/// </summary>
/// <param name="errorService">
/// The error Service.
/// </param>
public ShellViewModel(IErrorService errorService)
{
this.errorService = errorService;
this.showMainWindow = true;
this.showOptions = false;
}
/// <summary>
/// Change the page displayed on this window.
/// </summary>
/// <param name="window">
/// The window.
/// </param>
public void DisplayWindow(ShellWindow window)
{
if (window == ShellWindow.MainWindow)
{
this.ShowMainWindow = true;
this.ShowOptions = false;
}
else if (window == ShellWindow.OptionsWindow)
{
this.ShowOptions = true;
this.ShowMainWindow = false;
}
else
{
this.ShowMainWindow = true;
this.ShowOptions = false;
}
}
#region Properties
/// <summary>
/// Gets or sets MainViewModel.
/// </summary>
public IMainViewModel MainViewModel { get; set; }
/// <summary>
/// Gets or sets OptionsViewModel.
/// </summary>
public IOptionsViewModel OptionsViewModel { get; set; }
/// <summary>
/// Gets or sets a value indicating whether ShowMainWindow.
/// </summary>
public bool ShowMainWindow
{
get
{
return this.showMainWindow;
}
set
{
this.showMainWindow = value;
this.NotifyOfPropertyChange(() => this.ShowMainWindow);
}
}
/// <summary>
/// Gets or sets a value indicating whether ShowOptions.
/// </summary>
public bool ShowOptions
{
get
{
return this.showOptions;
}
set
{
this.showOptions = value;
this.NotifyOfPropertyChange(() => this.ShowOptions);
}
}
/// <summary>
/// Gets WindowTitle.
/// </summary>
public string WindowTitle
{
get
{
return "HandBrake";
}
}
#endregion
/// <summary>
/// Checks with the use if this window can be closed.
/// </summary>
/// <returns>
/// Returns true if the window can be closed.
/// </returns>
public bool CanClose()
{
IQueueProcessor processor = IoC.Get<IQueueProcessor>();
if (processor != null && processor.EncodeService.IsEncoding)
{
MessageBoxResult result =
errorService.ShowMessageBox(
"An Encode is currently running. Exiting HandBrake will stop this encode.\nAre you sure you wish to continue?",
"Warning",
MessageBoxButton.YesNo,
MessageBoxImage.Warning);
if (result == MessageBoxResult.Yes)
{
processor.Pause();
processor.EncodeService.Stop();
if (this.MainViewModel != null)
{
this.MainViewModel.Shutdown();
}
return true;
}
return false;
}
if (this.MainViewModel != null)
{
this.MainViewModel.Shutdown();
}
return true;
}
}
}
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