// create a task for loading the next image
System.Threading.Tasks.Task LoadNextImage(ImageVoteWidget widget)
{
this.BeginLoading(widget);
var task = new System.Threading.Tasks.Task(async() => {
// get images until it is a valid image
Image image = null;
while (image == null)
{
image = await this.ImageLoader.NextImage();
}
System.Threading.SpinWait.SpinUntil(() => !widget.IsFading);
// update image in gui thread
BooruApp.BooruApplication.TaskRunner.StartTaskMainThread("Change image", () => {
widget.Image = image;
image.Release();
this.FinishLoading();
});
});
task.Start();
return(task);
}
void BeginLoading(ImageVoteWidget widget)
{
if (this.nLoadingImages == 0)
{
// prevent interaction
this.Sensitive = false;
}
widget.IsPaused = true;
this.nLoadingImages++;
this.LoadSpinner.Visible = true;
}
// mark the content of one widget as the winner over the other one
public void Winner(ImageVoteWidget winnerWidget)
{
if (winnerWidget == LeftImage)
{
LeftImage.Image.Win(RightImage.Image);
}
else
{
RightImage.Image.Win(LeftImage.Image);
}
this.LeftImage.Opponent = null;
this.RightImage.Opponent = null;
this.LoadNextImages();
}
VoteTab(Builder builder, IntPtr handle) : base(builder, handle)
{
this.ImageLoader = new RandomImageLoader();
// create voting widgets
LeftImage = ImageVoteWidget.Create();
LeftImage.OnSkipImage += Skip;
LeftImage.OnImageWinner += Winner;
RightImage = ImageVoteWidget.Create();
RightImage.OnSkipImage += Skip;
RightImage.OnImageWinner += Winner;
// reorder things
this.VoteWidgetOld.Remove(this.CenterButtonBox);
this.VoteWidgetOld.PackStart(LeftImage, true, true, 0);
this.VoteWidgetOld.PackStart(this.CenterButtonBox, false, false, 0);
this.VoteWidgetOld.PackStart(RightImage, true, true, 0);
// be insensitive until database is loaded
this.Sensitive = false;
BooruApp.BooruApplication.EventCenter.DatabaseLoadStarted += OnDatabaseLoadStarted;
BooruApp.BooruApplication.EventCenter.DatabaseLoadSucceeded += OnDatabaseLoadSucceeded;
BooruApp.BooruApplication.EventCenter.FullscreenToggled += OnFullscreenToggled;
// filter image types
foreach (var e in Enum.GetValues(typeof(BooruImageType)))
{
this.ImageTypeCombo.Append(e.ToString(), e.ToString());
}
this.ImageTypeCombo.ActiveId = BooruImageType.Image.ToString();
this.ImageTypeCombo.Changed += (sender, e) => {
this.ImageLoader.SetFilter((BooruImageType)Enum.Parse(typeof(BooruImageType), this.ImageTypeCombo.ActiveId));
this.Skip(this.LeftImage);
this.Skip(this.RightImage);
};
}
// load next image for widget, without voting
public void Skip(ImageVoteWidget widget)
{
LoadNextImage(widget);
}