Working with Advanced Live Tiles in Windows 8: Listing 1

CustomSecondaryTile.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows.UI.StartScreen;
using Windows.Foundation;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Media;
using Windows.UI.Notifications;
using Windows.Data.Xml.Dom;

namespace VSMAdvancedTilesDemo.Common
{
    public class CustomSecondaryTile
    {
        SecondaryTile _tile;

        public CustomSecondaryTile(string tileId)
        {
            _tile = new SecondaryTile(tileId);
        }

        public CustomSecondaryTile(string tileId, string message)
        {
            Uri squareTileUri = new Uri("ms-appx:///Assets/Check.png");
            Uri wideTileUri = new Uri("ms-appx:///Assets/CheckWide.png");
            _tile = new SecondaryTile(tileId, message,
                                            message, String.Empty,
                                            TileOptions.ShowNameOnWideLogo | TileOptions.ShowNameOnLogo,
                                            squareTileUri,
                                            wideTileUri);
        }

        public async Task RequestCreation(FrameworkElement positionElement)
        {
            return await _tile.RequestCreateForSelectionAsync(GetCenteredElementRect(positionElement));
        }

        public void PushBageNotification(string value)
        {
            XmlDocument badgeDoc = BadgeUpdateManager.GetTemplateContent(BadgeTemplateType.BadgeNumber);
            XmlElement element = (XmlElement)badgeDoc.SelectSingleNode("/badge");
            element.SetAttribute("value", value);
            BadgeNotification badgeNotification = new BadgeNotification(badgeDoc);
            BadgeUpdateManager.CreateBadgeUpdaterForSecondaryTile(_tile.TileId).Update(badgeNotification);
        }

        public void PushTileNotification(string message, TileTemplateType squareTeamplte, TileTemplateType wideTeamplte)
        {
            XmlDocument wideDoc = TileUpdateManager.GetTemplateContent(wideTeamplte);
            XmlNodeList wideElements = wideDoc.GetElementsByTagName("text");
            wideElements.Item(0).AppendChild(wideDoc.CreateTextNode(message));
            XmlDocument squareDoc = TileUpdateManager.GetTemplateContent(squareTeamplte);
            XmlNodeList squareElements = squareDoc.GetElementsByTagName("text");
            squareElements.Item(0).AppendChild(squareDoc.CreateTextNode(message));
            IXmlNode subNode = wideDoc.ImportNode(squareDoc.GetElementsByTagName("binding").Item(0), true);
            wideDoc.GetElementsByTagName("visual").Item(0).AppendChild(subNode);
            TileNotification tileNotification = new TileNotification(wideDoc);
            TileUpdateManager.CreateTileUpdaterForSecondaryTile(_tile.TileId).Update(tileNotification);
        }

        public async Task RequestDelete(FrameworkElement parentElement)
        {
            return await _tile.RequestDeleteForSelectionAsync(GetCenteredElementRect(parentElement));
        }

        private Rect GetCenteredElementRect(FrameworkElement e)
        {
            GeneralTransform transform = e.TransformToVisual(null);
            Point transformPoint = transform.TransformPoint(new Point());
            return new Rect(transformPoint, new Size(e.ActualWidth, e.ActualHeight));
        }
    }
}

About the Author

Eric Vogel is a Senior Software Developer for Red Cedar Solutions Group in Okemos, Michigan. He is the president of the Greater Lansing User Group for .NET. Eric enjoys learning about software architecture and craftsmanship, and is always looking for ways to create more robust and testable applications. Contact him at vogelvision@gmail.com.