using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Shapes;

using System.Windows.Threading;

using Microsoft.Surface;

using Microsoft.Surface.Presentation;

using Microsoft.Surface.Presentation.Controls;

using System.Windows.Controls.Primitives;

namespace SliderTest

{

    /// <summary>

    /// Interaction logic for SurfaceWindow1.xaml

    /// </summary>

    public partial class SurfaceWindow1 : SurfaceWindow

    {

        DispatcherTimer timer;

        bool isDragging=false;

        bool finishedDragging = false;

        /// <summary>

        /// Default constructor.

        /// </summary>

        public SurfaceWindow1()

        {

            InitializeComponent();

            initmedia();

            // Add handlers for Application activation events

            AddActivationHandlers();

        }

        /// <summary>

        /// Occurs when the window is about to close. 

        /// </summary>

        /// <param name="e"></param>

        protected override void OnClosed(EventArgs e)

        {

            base.OnClosed(e);

            // Remove handlers for Application activation events

            RemoveActivationHandlers();

        }

        /// <summary>

        /// Adds handlers for Application activation events.

        /// </summary>

        private void AddActivationHandlers()

        {

            // Subscribe to surface application activation events

            ApplicationLauncher.ApplicationActivated += OnApplicationActivated;

            ApplicationLauncher.ApplicationPreviewed += OnApplicationPreviewed;

            ApplicationLauncher.ApplicationDeactivated += OnApplicationDeactivated;

        }

        /// <summary>

        /// Removes handlers for Application activation events.

        /// </summary>

        private void RemoveActivationHandlers()

        {

            // Unsubscribe from surface application activation events

            ApplicationLauncher.ApplicationActivated -= OnApplicationActivated;

            ApplicationLauncher.ApplicationPreviewed -= OnApplicationPreviewed;

            ApplicationLauncher.ApplicationDeactivated -= OnApplicationDeactivated;

        }

        /// <summary>

        /// This is called when application has been activated.

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void OnApplicationActivated(object sender, EventArgs e)

        {

            //TODO: enable audio, animations here

        }

        /// <summary>

        /// This is called when application is in preview mode.

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void OnApplicationPreviewed(object sender, EventArgs e)

        {

            //TODO: Disable audio here if it is enabled

            //TODO: optionally enable animations here

        }

        /// <summary>

        ///  This is called when application has been deactivated.

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void OnApplicationDeactivated(object sender, EventArgs e)

        {

            //TODO: disable audio, animations here

        }

        #region Media

        private void initmedia()

        {

            media.UnloadedBehavior = MediaState.Manual;

            media.LoadedBehavior = MediaState.Manual;

            media.ScrubbingEnabled = true;

        }

        private void media_MediaOpened(object sender, RoutedEventArgs e)

        {

            initslider();

            timer.Start();

        }

        #endregion

        #region Timer

        private void initTimer()

        {

            timer = new DispatcherTimer();

            timer.Interval = new TimeSpan(0, 0, 0, 0, 100); 

            timer.Tick += new EventHandler(timer_Tick);

        }

        void timer_Tick(object sender, EventArgs e)

        {

            if (!isDragging)

            {

                slider.Value = media.Position.TotalMilliseconds;

            }

            if (finishedDragging)

            {

                int SliderValue = (int)slider.Value;

                TimeSpan ts = new TimeSpan(0, 0, 0, 0, SliderValue);

                media.Position = ts;

                media.Play();

                isDragging = false;

                finishedDragging = false;

            }

        }

        #endregion

        #region Slider

        private void initslider()

        {

            slider.Maximum = media.NaturalDuration.TimeSpan.TotalMilliseconds;

        }

        //works ^^

        private void sliderPosition_DragStarted(

            object sender, DragStartedEventArgs e)

        {

            isDragging = true;

            media.Pause();

        }

        //works ^^

        private void sliderPosition_DragCompleted(

            object sender, DragCompletedEventArgs e)

        {

            finishedDragging = true;

        }

        #endregion

        private void buttonPlay_Click(object sender, RoutedEventArgs e)

        {

            media.Play();

        }

        private void SurfaceWindow_Activated(object sender, EventArgs e)

        {

            initTimer();

        }

        private void surfacebuttonPlay_ContactDown(object sender, ContactEventArgs e)

        {

            media.Play();

        }

        private void surfacebuttonPlay_Click(object sender, RoutedEventArgs e)

        {

                media.Play();

        }

    }

}