public void UpdateMessage(AbstractAnalyser me, string key, PlainTextMessage message)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
if (existMessages.ContainsKey(key))
{
PlainTextMessage intermes = existMessages[key];
if (intermes.Equals(message))
{
return;
}
for (int i = 0; i < linkAnalysisMessages.Count; ++i)
{
if (linkAnalysisMessages[i].Equals(intermes))
{
linkAnalysisMessages.RemoveAt(i);
linkAnalysisMessages.Insert(i, message);
break;
}
}
}
else
{
linkAnalysisMessages.Add(message);
}
existMessages[key] = message;
}
}
public void AddComboBoxItem(AbstractAnalyser me, PlainTextComboBoxData item)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
comboBoxItems.Add(item);
}
}
public void ClearComboBoxItem(AbstractAnalyser me)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
comboBoxItems.Clear();
}
}
public void SetComboBoxSelectionChangedListener(AbstractAnalyser me, Action <PlainTextComboBoxData> listener)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
this.ComboBoxSelectionChanged = listener;
}
}
public void SetRecommendedName(AbstractAnalyser me, string name, double opacity)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
recommendedNameBlock.Text = name;
recommendedNameBlock.Opacity = opacity;
}
}
private async void URLBox_TextChanged(object sender, TextChangedEventArgs e)
{
string url = URLBox.Text;
analyser?.Dispose();
analyser = UrlConverter.GetAnalyser(url);
if (analyser == null)
{
return;
}
controller.RegistAnalyser(null, analyser);
analyser.BindVisualController(controller);
await analyser.SetURLAsync(url);
}
public void RemoveAnalyser(AbstractAnalyser analyser)
{
lock (operationLock)
{
if (analyser == null)
{
throw new Exception("不能为null移除权限");
}
while (analysers.Contains(analyser))
{
analysers.Remove(analyser);
}
GC.Collect();
}
}
public void RegistAnalyser(AbstractAnalyser me, AbstractAnalyser analyser)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
if (analyser == null)
{
throw new Exception("不能为null添加权限");
}
analysers.Add(analyser);
}
}
public void SetSubmitButtonEnabled(AbstractAnalyser me, bool enable)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
if (enable == submitButton.IsEnabled)
{
return;
}
submitButton.IsEnabled = enable;
}
}
public void RemoveMessage(AbstractAnalyser me, string key)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
if (existMessages.ContainsKey(key))
{
linkAnalysisMessages.Remove(existMessages[key]);
existMessages.Remove(key);
}
}
}
public void SetComboBoxLayoutVisibility(AbstractAnalyser me, bool visible)
{
lock (operationLock)
{
if (me != null && !CheckPermission(me))
{
return;
}
if (visible)
{
comboBoxLayoutVisibilityManager.Show();
}
else
{
comboBoxLayoutVisibilityManager.Hide();
}
}
}
//得到了一个新URL，分析其文件名，文件大小
private async void AddURL(string URL)
{
AbstractAnalyser analyser = Converters.UrlConverter.GetAnalyser(URL);
await analyser.SetURLAsync(URL);
if (analyser.IsLegal())
{
URLMessage message = new URLMessage();
message.URL = analyser.URL;
message.StreamSize = analyser.GetStreamSize();
message.RecommendedFileName = analyser.GetRecommendedName();
if (message.RecommendedFileName == null)
{
message.RecommendedFileName = string.Empty;
}
message.StreamSizeToString = Converters.StringConverter.GetPrintSize(analyser.GetStreamSize());
AddListViewItem(message);
LimitListLength();
}
analyser.Dispose();
}
/// <summary>
/// 对Analyser的权限管理：每个函数第一个参数要求传入正在调用的Analyser
/// 当当前调用的Analyser没有修改权限时，修改将不会生效
/// 有权限的Analyser或null才能修改其他Analyser的权限
/// </summary>
///
public bool CheckPermission(AbstractAnalyser analyser)
{
return(analysers.Contains(analyser));
}
