public async void Init()
{
// 确保至少能正确执行一次，能正常设置背景。
while (true)
{
try
{
ImageArchiveCollection imageArchiveCollection = await _bingWallpaperService.GetWallpaperInformationsAsync(0, 1, Settings.Area);
if (imageArchiveCollection != null)
{
ImageArchive imageArchive = imageArchiveCollection.Images.FirstOrDefault();
if (imageArchive != null)
{
// 设置背景。
BackgroundUrl = imageArchive.GetUrlWithSize(WallpaperSize._1920x1080);
// 立即更新主磁贴。
TileHelper.UpdateTile(imageArchive);
}
}
break;
}
catch (HttpRequestException ex)
{
if (_hadNotifyNetworkError == false)
{
_hadNotifyNetworkError = true;
SideToastHelper.Error(ResourcesHelper.NetworkError);
}
}
}
}
public async Task <ImageArchiveCollection> GetWallpaperInformationsAsync(int daysAgo, int count, string area)
{
string url = string.Format(CultureInfo.InvariantCulture, LINKTEMPLATE, daysAgo, count, area);
Uri uri = new Uri(url, UriKind.Absolute);
string json;
using (HttpClient client = new HttpClient())
{
client.DefaultRequestHeaders.AcceptLanguage.ParseAdd(area);
json = await client.GetStringAsync(uri);
}
ImageArchiveCollection imageArchiveCollection = JsonConvert.DeserializeObject <ImageArchiveCollection>(json);
return(imageArchiveCollection);
}
public async Task <ImageArchiveCollection> GetWallpaperInformationsAsync(int daysAgo, int count, string area)
{
if (string.Equals(area, "zh-CN", StringComparison.OrdinalIgnoreCase))
{
return(await new BingWallpaperJsonService().GetWallpaperInformationsAsync(daysAgo, count, area));
}
else
{
string url = string.Format(CultureInfo.InvariantCulture, LINKTEMPLATE, daysAgo, count, area);
Uri uri = new Uri(url, UriKind.Absolute);
string json;
using (HttpClient client = new HttpClient())
{
client.DefaultRequestHeaders.AcceptLanguage.ParseAdd(area);
json = await client.GetStringAsync(uri);
}
ImageArchiveCollection imageArchiveCollection = JsonConvert.DeserializeObject <ImageArchiveCollection>(json);
return(imageArchiveCollection);
}
}
private async void UpdateTile()
{
try
{
IBingWallpaperService service = new BingWallpaperJsonService();
ImageArchiveCollection imageArchiveCollection = await service.GetWallpaperInformationsAsync(0, 1, Settings.Area);
ImageArchive image = imageArchiveCollection.Images.FirstOrDefault();
string tileText = image.GetTitle();
// ReSharper disable InconsistentNaming
string _150x150url = image.GetUrlWithSize(WallpaperSize._150x150);
string _310x150url = image.GetUrlWithSize(WallpaperSize._310x150);
// ReSharper restore InconsistentNaming
TileNotification tile = new TileNotification(TileTemplateHelper.CreateTileTemplate(tileText, _150x150url, _310x150url));
TileUpdateManager.CreateTileUpdaterForApplication().Update(tile);
}
finally
{
_deferral.Complete();
}
}
public async static Task LoadMore(int count)
{
if (_loading)
{
return;
}
ImageArchiveCollection imageArchiveCollection =
await
BingWallpaperService.GetWallpaperInformationsAsync(LoadedImageArchives.Count, count,
CultureInfo.CurrentCulture.Name);
if (imageArchiveCollection != null)
{
ImageArchive[] imageArchives = imageArchiveCollection.Images;
foreach (var imageArchive in imageArchives)
{
if (LoadedImageArchives.Any(temp => temp.UrlBase == imageArchive.UrlBase) == false)
{
LoadedImageArchives.Add(imageArchive);
}
}
}
_loading = false;
}
