private void Handle(CapturerItem item)
{
foreach (string url in item.Urls)
{
this.Add(url);
}
}
public void Start()
{
CapturerItem item = new CapturerItem(this.Url);
item.PropertyChanged += item_PropertyChanged;
this._CapturerLists.Add(item);
item.Start();
}
public void Add(string url)
{
if (this._Queue.SingleOrDefault(item => item.Url == url) == null)
{
CapturerItem item = new CapturerItem(url);
this._Queue.Enqueue(item);
this.Dispatch();
}
}
private void Dispatch()
{
while (this._CurrentTaskCount < MAX_TASK && this._Queue.Count > 0)
{
CapturerItem item = this._Queue.Dequeue();
item.PropertyChanged += item_PropertyChanged;
item.Start();
this._CurrentTaskCount++;
}
}
void item_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
CapturerItem item = sender as CapturerItem;
item.PropertyChanged -= item_PropertyChanged;
if (item.Status == ECapturerStatus.Finish)
{
this.Handle(item);
this._CurrentTaskCount--;
this.Dispatch();
}
else if (item.Status == ECapturerStatus.Error)
{
this._CurrentTaskCount--;
this.Dispatch();
}
}