public async Task Load()
{
var model = new AppXModel();
try
{
Windows.UI.ViewManagement.ApplicationView.TryUnsnap();
var f = new FileOpenPicker
{
FileTypeFilter = { ".appx" }
};
var file = await f.PickSingleFileAsync();
if (file == null)
{
_navigation.GoBack();
return;
}
var zip = new ZipArchive((await file.OpenReadAsync()).AsStream(), ZipArchiveMode.Read);
var entries = zip.Entries.ToList();
var manifest = zip.GetEntry("AppxManifest.xml");
XNamespace ns = "http://schemas.microsoft.com/appx/2010/manifest";
var doc = XDocument.Load(manifest.Open());
var package = doc.Element(ns + "Package");
var application = package.Element(ns + "Applications").Element(ns + "Application");
var visuals = application.Element(ns + "VisualElements");
model.DisplayName = visuals.Attribute("DisplayName").Value;
var c = ColorExtensions.FromString(visuals.Attribute("BackgroundColor").Value);
model.Background = new SolidColorBrush(c);
model.ForegroundText = visuals.Attribute("ForegroundText").Value;
model.ShouldChangeForeground = false;
var brightness = Hammer.Pants.ColorExtensions.GetBrightness(c);
if (brightness > 0.5 && model.ForegroundText == "light")
{
model.ShouldChangeForeground = true;
}
else if (brightness < 0.5 && model.ForegroundText == "dark")
{
model.ShouldChangeForeground = true;
}
model.Description = visuals.Attribute("Description").Value;
var logo = new AppXIcon { Description = "The \"regular\" logo is displayed as your square tile. It measures 150x150.", Title = "Logo" };
if (visuals.Attribute("Logo") != null)
await GetImage(zip, model.DisplayName + ".png", visuals.Attribute("Logo").Value, logo, entries);
var smallLogo = new AppXIcon { Description = "The small logo is displayed in search results, \"show all apps\", and in the search charm (vertical list). It measures 30x30.", Title = "Small Logo" };
if (visuals.Attribute("SmallLogo") != null)
await GetImage(zip, model.DisplayName + "small.png", visuals.Attribute("SmallLogo").Value, smallLogo, entries);
var storeLogo = new AppXTile { Description = "The store logo is visible on the Windows Store on the web and within the Windows Store app. It measures 50x50.", Title = "Store Logo", AppTitle = model.DisplayName };
if (package.Element(ns + "Properties").Element(ns + "Logo") != null)
await GetImage(zip, model.DisplayName + "store.png", package.Element(ns + "Properties").Element(ns + "Logo").Value, storeLogo, entries);
var wideLogo = new AppXIcon { Description = "The wide logo is an optional, double width tile. It measures 320x150.", Title = "Wide Logo" };
if (visuals.Element(ns + "DefaultTile") != null && visuals.Element(ns + "DefaultTile").Attribute("WideLogo") != null)
await GetImage(zip, model.DisplayName + "wide.png", visuals.Element(ns + "DefaultTile").Attribute("WideLogo").Value, wideLogo, entries);
var splash = new AppXSplash { Description = "", Title = "Splash Screen" };
if (visuals.Element(ns + "SplashScreen").Attribute("Image") != null)
await GetImage(zip, model.DisplayName + "splash.png", visuals.Element(ns + "SplashScreen").Attribute("Image").Value, splash, entries);
if (visuals.Element(ns + "SplashScreen").Attribute("BackgroundColor") != null)
splash.Background = new SolidColorBrush(ColorExtensions.FromString(visuals.Element(ns + "SplashScreen").Attribute("BackgroundColor").Value));
else
splash.Background = model.Background;
var icons = new AppXIconGroup("Icons");
icons.Items.Add(smallLogo);
icons.Items.Add(storeLogo);
icons.Items.Add(logo);
if (wideLogo.Image != null)
icons.Items.Add(wideLogo);
icons.Items.Add(splash);
Groups.Add(icons);
}
catch (Exception o_0)
{
MarkedUp.AnalyticClient.Info("Error parsing appx", o_0);
}
Model = model;
}
private static async Task GetImage(ZipArchive zip, string displayname, string path, AppXIcon icon, IEnumerable<ZipArchiveEntry> entries)
{
try
{
path = path.Replace('\\', '/');
var item = entries.FirstOrDefault(z => z.FullName == path);
if (item == null)
{
var ext = Path.GetExtension(path);
path = string.Format("{0}/{1}.scale-{2}{3}", Path.GetDirectoryName(path).Replace('\\', '/'), Path.GetFileNameWithoutExtension(path), (int)DisplayProperties.ResolutionScale, ext);
}
var file = await ApplicationData.Current.LocalFolder.CreateFileAsync(displayname, CreationCollisionOption.ReplaceExisting);
await zip.GetEntry(path).SaveToFile(file);
icon.Image = new BitmapImage(new Uri(file.Path));
}
catch (Exception o_0)
{
MarkedUp.AnalyticClient.Info("Error retrieving image from appx", o_0);
}
}