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SEBWIN-360: Fixed concurrency issue when reconfiguring and improved client performance by having only one splash screen.

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This commit is contained in:
dbuechel 2020-02-14 14:43:08 +01:00
parent d5210e85b7
commit 19bf6df812
3 changed files with 33 additions and 37 deletions
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19
SafeExamBrowser.Client.UnitTests/ClientControllerTests.cs
View file

@ -58,6 +58,7 @@ namespace SafeExamBrowser.Client.UnitTests
private Guid sessionId;
private AppSettings settings;
private Mock<Action> shutdown;
private Mock<ISplashScreen> splashScreen;
private Mock<ITaskbar> taskbar;
private Mock<IText> text;
private Mock<IUserInterfaceFactory> uiFactory;
@ -84,6 +85,7 @@ namespace SafeExamBrowser.Client.UnitTests
sessionId = Guid.NewGuid();
settings = new AppSettings();
shutdown = new Mock<Action>();
splashScreen = new Mock<ISplashScreen>();
taskbar = new Mock<ITaskbar>();
text = new Mock<IText>();
uiFactory = new Mock<IUserInterfaceFactory>();
@ -105,6 +107,7 @@ namespace SafeExamBrowser.Client.UnitTests
operationSequence.Object,
runtimeProxy.Object,
shutdown.Object,
splashScreen.Object,
taskbar.Object,
text.Object,
uiFactory.Object);
@ -300,14 +303,10 @@ namespace SafeExamBrowser.Client.UnitTests
[TestMethod]
public void Communication_MustCorrectlyHandleAbortedReconfiguration()
{
var splashScreen = new Mock<ISplashScreen>();
uiFactory.Setup(f => f.CreateSplashScreen(It.IsAny<AppConfig>())).Returns(splashScreen.Object);
sut.TryStart();
clientHost.Raise(c => c.ReconfigurationAborted += null);
splashScreen.Verify(s => s.Close(), Times.AtLeastOnce);
splashScreen.Verify(s => s.Hide(), Times.AtLeastOnce);
}
[TestMethod]
@ -498,9 +497,6 @@ namespace SafeExamBrowser.Client.UnitTests
Progress = true,
Regress = true
};
var splashScreen = new Mock<ISplashScreen>();
uiFactory.Setup(u => u.CreateSplashScreen(It.IsAny<AppConfig>())).Returns(splashScreen.Object);
sut.TryStart();
operationSequence.Raise(o => o.ProgressChanged += null, args);
@ -516,9 +512,6 @@ namespace SafeExamBrowser.Client.UnitTests
public void Operations_MustUpdateStatus()
{
var key = TextKey.OperationStatus_EmptyClipboard;
var splashScreen = new Mock<ISplashScreen>();
uiFactory.Setup(u => u.CreateSplashScreen(It.IsAny<AppConfig>())).Returns(splashScreen.Object);
sut.TryStart();
operationSequence.Raise(o => o.StatusChanged += null, key);
@ -835,10 +828,6 @@ namespace SafeExamBrowser.Client.UnitTests
[TestMethod]
public void Startup_MustUpdateAppConfigForSplashScreen()
{
var splashScreen = new Mock<ISplashScreen>();
uiFactory.Setup(u => u.CreateSplashScreen(It.IsAny<AppConfig>())).Returns(splashScreen.Object);
sut.TryStart();
sut.UpdateAppConfig();

49
SafeExamBrowser.Client/ClientController.cs
View file

@ -73,6 +73,7 @@ namespace SafeExamBrowser.Client
IOperationSequence operations,
IRuntimeProxy runtime,
Action shutdown,
ISplashScreen splashScreen,
ITaskbar taskbar,
IText text,
IUserInterfaceFactory uiFactory)
@ -89,6 +90,7 @@ namespace SafeExamBrowser.Client
this.operations = operations;
this.runtime = runtime;
this.shutdown = shutdown;
this.splashScreen = splashScreen;
this.taskbar = taskbar;
this.text = text;
this.uiFactory = uiFactory;
@ -98,11 +100,13 @@ namespace SafeExamBrowser.Client
{
logger.Info("Initiating startup procedure...");
splashScreen = uiFactory.CreateSplashScreen();
operations.ActionRequired += Operations_ActionRequired;
operations.ProgressChanged += Operations_ProgressChanged;
operations.StatusChanged += Operations_StatusChanged;
splashScreen.Show();
splashScreen.BringToForeground();
var success = operations.TryPerform() == OperationResult.Success;
if (success)
@ -130,7 +134,7 @@ namespace SafeExamBrowser.Client
logger.Log(string.Empty);
}
splashScreen.Close();
splashScreen.Hide();
return success;
}
@ -140,7 +144,8 @@ namespace SafeExamBrowser.Client
logger.Log(string.Empty);
logger.Info("Initiating shutdown procedure...");
splashScreen = uiFactory.CreateSplashScreen(context.AppConfig);
splashScreen.Show();
splashScreen.BringToForeground();
CloseShell();
DeregisterEvents();
@ -163,10 +168,7 @@ namespace SafeExamBrowser.Client
public void UpdateAppConfig()
{
if (splashScreen != null)
{
splashScreen.AppConfig = context.AppConfig;
}
splashScreen.AppConfig = context.AppConfig;
}
private void RegisterEvents()
@ -340,6 +342,12 @@ namespace SafeExamBrowser.Client
args.AllowDownload = true;
args.Callback = Browser_ConfigurationDownloadFinished;
args.DownloadPath = Path.Combine(context.AppConfig.TemporaryDirectory, fileName);
splashScreen.Show();
splashScreen.BringToForeground();
splashScreen.SetIndeterminate();
splashScreen.UpdateStatus(TextKey.OperationStatus_InitializeSession, true);
logger.Info($"Allowed download request for configuration file '{fileName}'.");
}
else
@ -364,22 +372,19 @@ namespace SafeExamBrowser.Client
if (communication.Success)
{
logger.Info($"Sent reconfiguration request for '{filePath}' to the runtime.");
splashScreen = uiFactory.CreateSplashScreen(context.AppConfig);
splashScreen.SetIndeterminate();
splashScreen.UpdateStatus(TextKey.OperationStatus_InitializeSession, true);
splashScreen.Show();
}
else
{
logger.Error($"Failed to communicate reconfiguration request for '{filePath}'!");
messageBox.Show(TextKey.MessageBox_ReconfigurationError, TextKey.MessageBox_ReconfigurationErrorTitle, icon: MessageBoxIcon.Error);
messageBox.Show(TextKey.MessageBox_ReconfigurationError, TextKey.MessageBox_ReconfigurationErrorTitle, icon: MessageBoxIcon.Error, parent: splashScreen);
splashScreen.Hide();
}
}
else
{
logger.Error($"Failed to download configuration file '{filePath}'!");
messageBox.Show(TextKey.MessageBox_ConfigurationDownloadError, TextKey.MessageBox_ConfigurationDownloadErrorTitle, icon: MessageBoxIcon.Error);
messageBox.Show(TextKey.MessageBox_ConfigurationDownloadError, TextKey.MessageBox_ConfigurationDownloadErrorTitle, icon: MessageBoxIcon.Error, parent: splashScreen);
splashScreen.Hide();
}
}
@ -428,14 +433,14 @@ namespace SafeExamBrowser.Client
private void ClientHost_ReconfigurationAborted()
{
logger.Info("The reconfiguration was aborted by the runtime.");
splashScreen?.Close();
splashScreen.Hide();
}
private void ClientHost_ReconfigurationDenied(ReconfigurationEventArgs args)
{
logger.Info($"The reconfiguration request for '{args.ConfigurationPath}' was denied by the runtime!");
messageBox.Show(TextKey.MessageBox_ReconfigurationDenied, TextKey.MessageBox_ReconfigurationDeniedTitle, parent: splashScreen);
splashScreen?.Close();
splashScreen.Hide();
}
private void ClientHost_Shutdown()
@ -476,33 +481,33 @@ namespace SafeExamBrowser.Client
{
if (args.CurrentValue.HasValue)
{
splashScreen?.SetValue(args.CurrentValue.Value);
splashScreen.SetValue(args.CurrentValue.Value);
}
if (args.IsIndeterminate == true)
{
splashScreen?.SetIndeterminate();
splashScreen.SetIndeterminate();
}
if (args.MaxValue.HasValue)
{
splashScreen?.SetMaxValue(args.MaxValue.Value);
splashScreen.SetMaxValue(args.MaxValue.Value);
}
if (args.Progress == true)
{
splashScreen?.Progress();
splashScreen.Progress();
}
if (args.Regress == true)
{
splashScreen?.Regress();
splashScreen.Regress();
}
}
private void Operations_StatusChanged(TextKey status)
{
splashScreen?.UpdateStatus(status, true);
splashScreen.UpdateStatus(status, true);
}
private void Runtime_ConnectionLost()

2
SafeExamBrowser.Client/CompositionRoot.cs
View file

@ -105,6 +105,7 @@ namespace SafeExamBrowser.Client
var explorerShell = new ExplorerShell(ModuleLogger(nameof(ExplorerShell)), nativeMethods);
var fileSystemDialog = BuildFileSystemDialog();
var hashAlgorithm = new HashAlgorithm();
var splashScreen = uiFactory.CreateSplashScreen();
var operations = new Queue<IOperation>();
@ -137,6 +138,7 @@ namespace SafeExamBrowser.Client
sequence,
runtimeProxy,
shutdown,
splashScreen,
taskbar,
text,
uiFactory);