private void raiseInitializationCompleted(Download download, IDownloadSlotsViewModel downloadSlotsViewModel)
{
if (InitializationCompleted != null)
{
InitializationCompleted(download, downloadSlotsViewModel);
}
}
public DownloadViewModel(IDownloadModel downloadModel,
IDownloadSlotsViewModel downloadSlotsViewModel,
IFileSystemManager fileSystemManager)
{
if (downloadModel == null)
{
throw new ArgumentNullException("download");
}
if (downloadSlotsViewModel == null)
{
throw new ArgumentNullException("downloadSlotsViewModel");
}
if (fileSystemManager == null)
{
throw new ArgumentNullException("fileSystemManager");
}
this.downloadModel = downloadModel;
this.downloadSlotsViewModel = downloadSlotsViewModel;
this.fileSystemManager = fileSystemManager;
this.downloadSlotsViewModel.DownloadCompleted += downloadSlotsViewModel_DownloadCompleted;
this.downloadSlotsViewModel.DownloadProgressChanged += downloadSlotsViewModel_DownloadProgressChanged;
this.downloadSlotsViewModel.DownloadFailed += downloadSlotsViewModel_DownloadFailed;
}
public void TryInitializeDownloadSlotsViewModelAsync(Download download)
{
IDownloadSlotsViewModel downloadSlotsViewModel = CreateDownloadSlotsViewModel(download);
Task <bool> initializeDownloadingSlotsTask = new Task <bool>(downloadSlotsViewModel.TryInitialize);
initializeDownloadingSlotsTask.ContinueWith((faultedTask) =>
{
logger.LogException(faultedTask.Exception);
}, TaskContinuationOptions.OnlyOnFaulted);
initializeDownloadingSlotsTask.ContinueWith((completedTask) =>
{
if (completedTask.Status != TaskStatus.Faulted && completedTask.Result)
{
raiseInitializationCompleted(download, downloadSlotsViewModel);
}
else
{
NotificationService.Alert(Properties.Resources.DownloadStartFailedMessage,
Properties.Resources.DownloadingFailedHeader);
}
}, TaskScheduler.FromCurrentSynchronizationContext());
initializeDownloadingSlotsTask.Start();
}
private void addDownload(Download download)
{
IDownloadSlotsViewModel downloadSlotsViewModel =
this.downloadSlotsViewModelAsyncFactory.CreateDownloadSlotsViewModel(download);
addDownloadViewModel(download, downloadSlotsViewModel);
}
public IDownloadViewModel CreateDownloadViewModel(Download download,
IDownloadSlotsViewModel downloadSlotsViewModel)
{
DownloadViewModel downloadViewModel =
new DownloadViewModel(download, downloadSlotsViewModel, fileSystemManager);
return downloadViewModel;
}
public IDownloadViewModel CreateDownloadViewModel(Download download,
IDownloadSlotsViewModel downloadSlotsViewModel)
{
DownloadViewModel downloadViewModel =
new DownloadViewModel(download, downloadSlotsViewModel, fileSystemManager);
return(downloadViewModel);
}
private IDownloadViewModel createDownloadViewModel(Download download,
IDownloadSlotsViewModel downloadSlotsViewModel)
{
IDownloadViewModel downloadViewModel = downloadViewModelFactory.CreateDownloadViewModel(download,
downloadSlotsViewModel);
items.Add(downloadViewModel);
return(downloadViewModel);
}
private IDownloadViewModel addDownloadViewModel(Download download, IDownloadSlotsViewModel downloadSlotsViewModel)
{
IDownloadViewModel downloadViewModel = this.createDownloadViewModel(download, downloadSlotsViewModel);
downloadViewModel.OnRemove += () =>
{
this.removeFromDownloadModels(download);
this.removeFromDownloadViewModels(downloadViewModel);
};
return(downloadViewModel);
}
protected override void Establish_context()
{
base.Establish_context();
download = new Download("some uri");
generatedViewModel = new Mock<IDownloadSlotsViewModel>();
generatedViewModel.Setup(viewModel => viewModel.TryInitialize()).Returns(true);
DownloadSlotsViewModelFactory.Setup(factory => factory.CreateDownloadSlotsViewModel(download)).
Returns(generatedViewModel.Object);
DownloadSlotsViewModelAsyncFactory.InitializationCompleted += (forDownload, viewModel) =>
{
createdIsRaised = true;
forDownloadCreated = forDownload;
viewModelCreated = viewModel;
resetEvent.Set();
};
SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
}
protected override void Establish_context()
{
base.Establish_context();
download = new Download("some uri");
generatedViewModel = new Mock <IDownloadSlotsViewModel>();
generatedViewModel.Setup(viewModel => viewModel.TryInitialize()).Returns(true);
DownloadSlotsViewModelFactory.Setup(factory => factory.CreateDownloadSlotsViewModel(download)).
Returns(generatedViewModel.Object);
DownloadSlotsViewModelAsyncFactory.InitializationCompleted += (forDownload, viewModel) =>
{
createdIsRaised = true;
forDownloadCreated = forDownload;
viewModelCreated = viewModel;
resetEvent.Set();
};
SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
}
private IDownloadViewModel addDownloadViewModel(Download download, IDownloadSlotsViewModel downloadSlotsViewModel)
{
IDownloadViewModel downloadViewModel = this.createDownloadViewModel(download, downloadSlotsViewModel);
downloadViewModel.OnRemove += () =>
{
this.removeFromDownloadModels(download);
this.removeFromDownloadViewModels(downloadViewModel);
};
return downloadViewModel;
}
void downloadSlotsViewModelAsyncFactoryInitializationCompleted(Download download, IDownloadSlotsViewModel initializedViewModel)
{
downloads.Add(download);
var newDownloadViewModel = addDownloadViewModel(download, initializedViewModel);
newDownloadViewModel.Start();
}
private IDownloadViewModel createDownloadViewModel(Download download,
IDownloadSlotsViewModel downloadSlotsViewModel)
{
IDownloadViewModel downloadViewModel = downloadViewModelFactory.CreateDownloadViewModel(download,
downloadSlotsViewModel);
items.Add(downloadViewModel);
return downloadViewModel;
}
public DownloadViewModel(IDownloadModel downloadModel,
IDownloadSlotsViewModel downloadSlotsViewModel,
IFileSystemManager fileSystemManager)
{
if (downloadModel == null)
throw new ArgumentNullException("download");
if (downloadSlotsViewModel == null)
throw new ArgumentNullException("downloadSlotsViewModel");
if (fileSystemManager == null)
throw new ArgumentNullException("fileSystemManager");
this.downloadModel = downloadModel;
this.downloadSlotsViewModel = downloadSlotsViewModel;
this.fileSystemManager = fileSystemManager;
this.downloadSlotsViewModel.DownloadCompleted += downloadSlotsViewModel_DownloadCompleted;
this.downloadSlotsViewModel.DownloadProgressChanged += downloadSlotsViewModel_DownloadProgressChanged;
this.downloadSlotsViewModel.DownloadFailed += downloadSlotsViewModel_DownloadFailed;
}
void downloadSlotsViewModelAsyncFactoryInitializationCompleted(Download download, IDownloadSlotsViewModel initializedViewModel)
{
downloads.Add(download);
var newDownloadViewModel = addDownloadViewModel(download, initializedViewModel);
newDownloadViewModel.Start();
}
