public string GetNextLockscreenImagePath()
{
var activeLockscreenTheme = GetActiveLockscreenTheme();
if (activeLockscreenTheme == null)
{
return("");
}
// If the SelectionMethod is Random, return a random image
if (activeLockscreenTheme.WallpaperSelectionMethod == Models.Enums.ImageSelectionMethod.Random)
{
return(activeLockscreenTheme.RandomImageFromCache);
}
// Otherwise, grab the next item on the stack
// Get our Current Lockscreen Image
var currentImagePath = GetCurrentLockscreenImagePath();
// Find the Index of it in the cache
FileDiscoveryService service = new FileDiscoveryService();
var cache = service.GetCache(activeLockscreenTheme);
var currentImageIndex = cache.FindIndex(x => x.FilePath == currentImagePath);
// If the index cant be found, give us a random image
if (currentImageIndex == -1)
{
return(activeLockscreenTheme.RandomImageFromCache);
}
// If we go over the cache count, return the first item in the Cache, otherwise return the next element
if ((currentImageIndex + 1) >= cache.Count)
{
return(cache[0].FilePath);
}
return(cache[currentImageIndex + 1].FilePath);
}
public async Task <StorageFile> CreateWindowsTheme(WallpaperTheme theme)
{
using (var context = new WallpaperManagerContext())
{
var fileDiscoveryService = new FileDiscoveryService(context);
var fileCache = fileDiscoveryService.GetCache(theme);
if (fileCache.Count <= 0)
{
return(null);
}
// Build up the file format
StringBuilder builder = new StringBuilder();
builder.AppendLine("; Copyright © Killerrin Studios");
builder.AppendLine();
builder.AppendLine("[Theme]");
builder.AppendLine($"DisplayName={theme.Name}");
builder.AppendLine();
builder.AppendLine(@"[Control Panel\Desktop]");
builder.AppendLine($"Wallpaper={theme.FirstImageFromCache}");
builder.AppendLine("; The path to the wallpaper picture can point to a .bmp, .gif, .jpg, .png, or .tif file.");
builder.AppendLine("Pattern=");
//builder.AppendLine($"MultimonBackgrounds={0}");
//builder.AppendLine($"PicturePosition={4}");
builder.AppendLine($"TileWallpaper={0}");
builder.AppendLine("; 0: The wallpaper picture should not be tiled");
builder.AppendLine("; 1: The wallpaper picture should be tiled ");
builder.AppendLine($"WallpaperStyle={10}");
builder.AppendLine("; 0: The image is centered if TileWallpaper = 0 or tiled if TileWallpaper = 1");
builder.AppendLine("; 2: The image is stretched to fill the screen");
builder.AppendLine("; 6: The image is resized to fit the screen while maintaining the aspect ratio. (Windows 7 and later)");
builder.AppendLine("; 10: The image is resized and cropped to fill the screen while maintaining the aspect ratio. (Windows 7 and later)");
builder.AppendLine();
builder.AppendLine("[Slideshow]");
if (theme.WallpaperChangeFrequency.TotalMilliseconds > 0.0)
{
builder.AppendLine($"Interval={theme.WallpaperChangeFrequency.TotalMilliseconds}");
}
else
{
builder.AppendLine($"Interval={TimeSpan.FromMinutes(5.0).TotalMilliseconds}");
}
builder.AppendLine("; Interval is a number that determines how often the background changes. It is measured in milliseconds.");
switch (theme.WallpaperSelectionMethod)
{
case ImageSelectionMethod.Random:
case ImageSelectionMethod.Sequential:
builder.AppendLine($"Shuffle={(int)theme.WallpaperSelectionMethod}");
break;
default:
builder.AppendLine($"Shuffle={0}");
break;
}
builder.AppendLine("; 0: Disabled");
builder.AppendLine("; 1: Enabled");
builder.AppendLine();
builder.AppendLine($"ImagesRootPath={fileCache[0].FolderPath}");
for (int i = 0; i < fileCache.Count; i++)
{
builder.AppendLine($"Item{i}Path={fileCache[i].FilePath}");
}
builder.AppendLine();
builder.AppendLine("[VisualStyles]");
builder.AppendLine($@"Path=%ResourceDir%\Themes\Aero\Aero.msstyles");
builder.AppendLine($"ColorStyle=NormalColor");
builder.AppendLine($"Size=NormalSize");
builder.AppendLine($"AutoColorization=0");
builder.AppendLine($"ColorizationColor=0XC40078D7");
builder.AppendLine();
builder.AppendLine("[boot]");
builder.AppendLine("SCRNSAVE.EXE=");
builder.AppendLine();
builder.AppendLine("[MasterThemeSelector]");
builder.AppendLine("MTSM=RJSPBS");
FileSavePicker savePicker = new FileSavePicker();
savePicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
savePicker.FileTypeChoices.Add("Windows Theme File", new List <string>()
{
".theme"
});
savePicker.SuggestedFileName = $"{theme.Name}";
var file = await savePicker.PickSaveFileAsync();
if (file != null)
{
CachedFileManager.DeferUpdates(file);
await FileIO.WriteTextAsync(file, builder.ToString());
FileUpdateStatus status = await CachedFileManager.CompleteUpdatesAsync(file);
if (status == FileUpdateStatus.Complete || status == FileUpdateStatus.CompleteAndRenamed)
{
return(file);
}
}
}
return(null);
}
