private async Task <ChangeWallpaperResult> ChangeWallpaperImpl(IProgress <string> progress)
{
int wallpaperGrabType = Properties.Settings.Default.wallpaperGrabType;
string searchUrl = SearchUrlProvider.GetSearchUrl(wallpaperGrabType, progress);
var imageInfo = await ImageInfoProvider.GetImageInfoAsync(searchUrl, wallpaperGrabType, progress);
if (imageInfo == null || string.IsNullOrEmpty(imageInfo.Url))
{
return(ChangeWallpaperResult.Failed());
}
if (Database.IsBlackListed(imageInfo.Url))
{
progress.Report("Wallpaper is blacklisted.");
Logging.LogMessageToFile("The selected wallpaper has been blacklisted, searching again.", 0);
return(ChangeWallpaperResult.Failed());
}
if (Properties.Settings.Default.suppressDuplicates == true &&
HistoryList.Contains(imageInfo.ThreadId))
{
progress.Report("Wallpaper already used in this session.");
Logging.LogMessageToFile("The selected wallpaper has already been used in this session, searching again.", 0);
return(ChangeWallpaperResult.Failed());
}
return(await SetWallpaperAsync(imageInfo, progress));
}
public static void PushToHistoryList(string data)
{
if (!HistoryList.Contains(data))
{
HistoryList.Remove(data);
}
// 超过最大限制则移除最后一个.
var maxCount = 10;
if (HistoryList.Count > maxCount)
{
HistoryList.RemoveAt(HistoryList.Count - 1);
}
HistoryList.Insert(0, data);
SaveHistoryData();
// 调用委托
OnHistoryListChanged?.Invoke();
}
