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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="AdvancedViewModel.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 Advanced View Model
// </summary>
// --------------------------------------------------------------------------------------------------------------------

namespace HandBrakeWPF.ViewModels
{
    using System.Collections.Generic;
    using System.ComponentModel.Composition;

    using Caliburn.Micro;

    using HandBrake.ApplicationServices.Functions;
    using HandBrake.ApplicationServices.Model;
    using HandBrake.ApplicationServices.Parsing;
    using HandBrake.ApplicationServices.Services.Interfaces;
    using HandBrake.Interop.Model.Encoding;
    using HandBrake.Interop.Model.Encoding.x264;

    using HandBrakeWPF.ViewModels.Interfaces;

    /// <summary>
    /// The Advanced View Model
    /// </summary>
    [Export(typeof(IAdvancedViewModel))]
    public class AdvancedViewModel : ViewModelBase, IAdvancedViewModel
    {
        #region Constants and Fields

        /// <summary>
        /// The query.
        /// </summary>
        private string query;

        /// <summary>
        /// The x264 preset.
        /// </summary>
        private x264Preset x264Preset;

        /// <summary>
        /// The x264 profile.
        /// </summary>
        private x264Profile x264Profile;

        /// <summary>
        /// The x264 tune.
        /// </summary>
        private x264Tune x264Tune;

        /// <summary>
        /// Backing field used to display / hide the x264 options
        /// </summary>
        private bool displayX264Options;

        #endregion

        #region Constructors and Destructors

        /// <summary>
        /// Initializes a new instance of the <see cref="AdvancedViewModel"/> class.
        /// </summary>
        /// <param name="windowManager">
        /// The window manager.
        /// </param>
        /// <param name="userSettingService">
        /// The user Setting Service.
        /// </param>
        public AdvancedViewModel(IWindowManager windowManager, IUserSettingService userSettingService)
        {
            X264Presets = EnumHelper<x264Preset>.GetEnumList();
            X264Profiles = EnumHelper<x264Profile>.GetEnumList();
            X264Tunes = EnumHelper<x264Tune>.GetEnumList();

            this.x264Preset = x264Preset.None;
            this.x264Profile = x264Profile.None;
            this.x264Tune = x264Tune.None;
        }

        #endregion

        #region Public Properties

        /// <summary>
        /// Gets or sets State.
        /// </summary>
        public string Query
        {
            get
            {
                return this.query;
            }
            set
            {
                this.query = value;
                this.NotifyOfPropertyChange(() => this.Query);
            }
        }

        /// <summary>
        /// Gets or sets X264Preset.
        /// </summary>
        public x264Preset X264Preset
        {
            get
            {
                return this.x264Preset;
            }
            set
            {
                this.x264Preset = value;
                this.NotifyOfPropertyChange(() => this.X264Preset);
            }
        }

        /// <summary>
        /// Gets or sets X264Profile.
        /// </summary>
        public x264Profile X264Profile
        {
            get
            {
                return this.x264Profile;
            }
            set
            {
                this.x264Profile = value;
                this.NotifyOfPropertyChange(() => this.X264Profile);
            }
        }

        /// <summary>
        /// Gets or sets X264Tune.
        /// </summary>
        public x264Tune X264Tune
        {
            get
            {
                return this.x264Tune;
            }
            set
            {
                this.x264Tune = value;
                this.NotifyOfPropertyChange(() => this.X264Tune);
            }
        }

        /// <summary>
        /// Gets or sets X264Presets.
        /// </summary>
        public IEnumerable<x264Preset> X264Presets { get; set; }

        /// <summary>
        /// Gets or sets X264Profiles.
        /// </summary>
        public IEnumerable<x264Profile> X264Profiles { get; set; }

        /// <summary>
        /// Gets or sets X264Tunes.
        /// </summary>
        public IEnumerable<x264Tune> X264Tunes { get; set; }

        /// <summary>
        /// Gets or sets a value indicating whether DisplayX264Options.
        /// </summary>
        public bool DisplayX264Options
        {
            get
            {
                return this.displayX264Options;
            }
            set
            {
                this.displayX264Options = value;
                this.NotifyOfPropertyChange(() => this.DisplayX264Options);
            }
        }

        #endregion

        #region Public Methods

        /// <summary>
        /// Setup this window for a new source
        /// </summary>
        /// <param name="title">
        /// The title.
        /// </param>
        /// <param name="preset">
        /// The preset.
        /// </param>
        /// <param name="task">
        /// The task.
        /// </param>
        public void SetSource(Title title, Preset preset, EncodeTask task)
        {
            this.Query = preset.Task.AdvancedEncoderOptions;
            this.X264Preset = preset.Task.x264Preset;
            this.X264Profile = preset.Task.x264Profile;
            this.X264Tune = preset.Task.X264Tune;
        }

        /// <summary>
        /// Setup this tab for the specified preset.
        /// </summary>
        /// <param name="preset">
        /// The preset.
        /// </param>
        public void SetPreset(Preset preset)
        {
            if (preset != null && preset.Task != null)
            {
                this.Query = preset.Task.AdvancedEncoderOptions;
                this.SetEncoder(preset.Task.VideoEncoder);

                this.X264Preset = preset.Task.x264Preset;
                this.X264Profile = preset.Task.x264Profile;
                this.X264Tune = preset.Task.X264Tune;
            }
        }

        /// <summary>
        /// Set the currently selected encoder.
        /// </summary>
        /// <param name="encoder">
        /// The Video Encoder.
        /// </param>
        public void SetEncoder(VideoEncoder encoder)
        {
            if (encoder == VideoEncoder.X264)
            {
                this.DisplayX264Options = true;
            }
            else
            {
                this.x264Preset = x264Preset.None;
                this.x264Profile = x264Profile.None;
                this.x264Tune = x264Tune.None;
                this.DisplayX264Options = false;
            }
        }

        #endregion
    }
}