/// <summary>
/// Stops the script engine at the current point.
/// </summary>
/// <returns></returns>
public async Task Interrupt()
{
try
{
m_scriptEngine.Interrupt();
}
catch (Exception)
{
throw;
}
await ResetScriptEngine();
}
public void Cleanup()
{
if (_scriptEngine != null)
{
_scriptEngine.Interrupt();
_scriptEngine.Dispose();
_scriptEngine = null;
}
}
public void Run(string script, ViewModels.LogStream log, CancellationToken cancel)
{
var utils = new ScriptUtils(log, cancel);
try
{
engine?.Interrupt();
engine = new V8ScriptEngine();
engine.AddHostObject("utils", utils);
engine.AddHostObject("client", this.client);
var evalResult = engine.Evaluate("script", script);
}
catch (ScriptEngineException e)
{
utils.WriteLine(e.ErrorDetails);
}
catch (ScriptInterruptedException e)
{
utils.WriteLine(e.ErrorDetails);
}
}
private async Task Navigate(Uri uri)
{
controlsGrid.IsEnabled = false;
try
{
string url = uri.ToString();
urlBar.Text = url;
if (engine != null)
{
engine.Interrupt();
engine.Dispose();
}
engine = new V8ScriptEngine();
engine.AddHostObject("window", this);
engine.AddHostType(typeof(MessageBox));
engine.AddHostType(typeof(Console));
foreach (var t in availableTypesLazy.Value)
{
engine.AddHostType(t);
}
ParserContext parserContext = new ParserContext();
parserContext.XmlnsDictionary["s"] = "clr-namespace:DynamicWPF.Scripting;assembly=DynamicWPF";
try
{
var resp = await client.GetAsync(uri);
uri = resp.RequestMessage.RequestUri;
url = uri.ToString();
urlBar.Text = url;
parserContext.BaseUri = new Uri(url.Remove(url.LastIndexOf('/') + 1));
Page obj = null;
if (resp.IsSuccessStatusCode)
{
try
{
obj = (Page)XamlReader.Load(await resp.Content.ReadAsStreamAsync(), parserContext);
}
catch
{
Process.Start(url);
}
}
else
{
try
{
obj = (Page)XamlReader.Load(await resp.Content.ReadAsStreamAsync(), parserContext);
}
catch
{
resp.EnsureSuccessStatusCode();
}
}
if (obj != null)
{
contentFrame.Navigate(obj);
foreach (var link in (obj.Content as DependencyObject).FindVisualChildren <Hyperlink>())
{
link.RequestNavigate += async(o, ev) =>
{
ev.Handled = true;
var u = (o as Hyperlink).NavigateUri;
await Navigate(u.IsAbsoluteUri?u : new Uri(parserContext.BaseUri, u));
};
}
engine.AddHostObject("content", obj);
foreach (var s in ScriptManager.GetScripts(obj))
{
try
{
var str = await client.GetStringAsync(s.Source.IsAbsoluteUri?s.Source : new Uri(parserContext.BaseUri, s.Source));
engine.Execute(str);
}
catch { }
}
}
}
catch (Exception ex)
{
contentFrame.Navigate(new ErrorPage(ex));
}
}
finally
{
controlsGrid.IsEnabled = true;
}
}
/// <summary>
/// Stops the script engine at the current point.
/// </summary>
/// <returns></returns>
public async Task Interrupt()
{
m_scriptEngine.Interrupt();
await ResetScriptEngine();
}
