private void SettingsViewModelPropertyChanged(object sender, PropertyChangedEventArgs e)
{
this.SettingDialogStatus = SettingDialogStatus.NotWorking;
if (e.PropertyName == "ActiveProxy")
{
var newActiveProxy = this.proxyService.Proxies.First(x => x.ProxyName == settingsViewModel.ActiveProxy);
if (newActiveProxy == null)
{
return;
}
this.SettingDialogStatus = SettingDialogStatus.InitiatingProxy;
UpdateCommands();
var InitializationTask = Task.Factory.StartNew(() =>
{
newActiveProxy.Initialize();
});
InitializationTask.ContinueWith(task =>
{
this.SettingDialogStatus = SettingDialogStatus.InitiatingProxyFailed;
}, CancellationToken.None, TaskContinuationOptions.OnlyOnFaulted, TaskScheduler.FromCurrentSynchronizationContext());
InitializationTask.ContinueWith(task =>
{
if (this.settingActiveProxy != null)
{
RemoveWeakEventListener(this.settingActiveProxy, ActiveProxyPropertyChanged);
RemoveWeakEventListener(this.settingActiveProxy.StateValues, StateValuesCollectionChanged);
var settingView = this.settingActiveProxy.InitializeSettingDialog();
if (settingView != null)
{
this.views.Remove(settingView);
}
}
this.settingActiveProxy = newActiveProxy;
StateValuesCollectionChanged(null, null);
if (this.settingActiveProxy != null)
{
AddWeakEventListener(this.settingActiveProxy, ActiveProxyPropertyChanged);
AddWeakEventListener(this.settingActiveProxy.StateValues, StateValuesCollectionChanged);
var settingView = this.settingActiveProxy.InitializeSettingDialog();
if (settingView != null)
{
this.views.Add(settingView);
}
}
this.SettingDialogStatus = SettingDialogStatus.NotWorking;
}, CancellationToken.None, TaskContinuationOptions.OnlyOnRanToCompletion, TaskScheduler.FromCurrentSynchronizationContext());
}
UpdateCommands();
}
private void SubmitSettingCommand()
{
if (this.SettingDialogStatus == SettingDialogStatus.ProxyBusy ||
this.SettingDialogStatus == SettingDialogStatus.ProxyCannotConnect ||
this.SettingDialogStatus == SettingDialogStatus.ProxyUnvalid)
{
this.settingActiveProxy.AfterCloseSettingDialog(true);
this.proxyService.ActiveProxy = this.settingActiveProxy;
Close(true);
}
this.SettingDialogStatus = SettingDialogStatus.ValidatingProxySettings;
UpdateCommands();
Task.Factory.StartNew(() =>
{
return(this.settingActiveProxy.ValidateBeforeCloseSettingDialog());
})
.ContinueWith(task =>
{
switch (task.Result)
{
case SettingDialogValidateionResult.Busy:
this.SettingDialogStatus = SettingDialogStatus.ProxyBusy;
return(false);
case SettingDialogValidateionResult.ConnectFailed:
this.SettingDialogStatus = SettingDialogStatus.ProxyCannotConnect;
return(false);
case SettingDialogValidateionResult.UnValid:
this.SettingDialogStatus = SettingDialogStatus.ProxyUnvalid;
return(false);
case SettingDialogValidateionResult.Valid:
this.SettingDialogStatus = SettingDialogStatus.ProxyValid;
return(true);
}
return(false);
}, CancellationToken.None, TaskContinuationOptions.OnlyOnRanToCompletion, TaskScheduler.FromCurrentSynchronizationContext())
.ContinueWith(task =>
{
if (task.Result)
{
this.settingActiveProxy.AfterCloseSettingDialog(true);
this.proxyService.ActiveProxy = this.settingActiveProxy;
Close(true);
}
else
{
UpdateCommands();
}
}, CancellationToken.None, TaskContinuationOptions.OnlyOnRanToCompletion, TaskScheduler.FromCurrentSynchronizationContext());
}
private void ActiveProxyPropertyChanged(object sender, PropertyChangedEventArgs e)
{
this.SettingDialogStatus = SettingDialogStatus.NotWorking;
UpdateCommands();
}
