private void LoadHandler_OnLoadError(object sender, CfxOnLoadErrorEventArgs e)
{
if (e.ErrorCode == CfxErrorCode.Aborted)
{
//Aborted is raised during hot-reload
//We will not poluate log nor stop the application
return;
}
_Logger.Error($@"Unable to load ""{e.FailedUrl}"": ""{e.ErrorCode}"". Please check that the resource exists, has the correct ""Content"" and ""Build Type"" value or is correctly served.");
if (!e.Frame.IsMain)
{
return;
}
_Logger.Error("Closing application");
_Dispatcher.RunAsync(async() =>
{
//Delay here to be sure to finish all chromium related task
//before closing application. This will avoid additional exception
//due to inconsistent state.
await Task.Delay(10);
Application.Current.Shutdown(-1);
});
}
public void OnJavaScriptObjectChanges(IJavascriptObject objectchanged, string propertyName, IJavascriptObject newValue)
{
try
{
var res = _SessionCache.GetGlobalCached(objectchanged) as JsGenericObject;
if (res == null)
{
return;
}
var propertyAccessor = new PropertyAccessor(res.CValue, propertyName, _Logger);
if (!propertyAccessor.IsSettable)
{
_Logger.Info(() => $"Unable to set C# from javascript object: property: {propertyName} is readonly.");
return;
}
var targetType = propertyAccessor.GetTargetType();
var glue = GetCachedOrCreateBasic(newValue, targetType);
Context.RunOnUIContextAsync(() =>
{
using (_IsListening ? _ListenerRegister.GetPropertySilenter(res.CValue) : null)
{
propertyAccessor.Set(glue.CValue);
res.UpdateCSharpProperty(propertyName, glue);
}
});
}
catch (Exception e)
{
_Logger.Error(() => $"Unable to update ViewModel from View, exception raised: {e.Message}");
}
}
public async void OnJavaScriptObjectChanges(IJavascriptObject objectchanged, string propertyName, IJavascriptObject newValue)
{
try
{
var res = _SessionCache.GetCached(objectchanged) as JsGenericObject;
if (res == null)
{
return;
}
var propertyAccessor = new PropertyAccessor(res.CValue, propertyName, _Logger);
if (!propertyAccessor.IsSettable)
{
_Logger.Info(() => $"Unable to set C# from javascript object: property: {propertyName} is readonly.");
return;
}
var targetType = propertyAccessor.GetTargetType();
var glue = GetCachedOrCreateBasic(newValue, targetType);
var bridgeUpdater = glue.IsBasicNotNull() ? null : new BridgeUpdater();
await Context.RunOnUIContextAsync(() =>
{
using (var relisten = glue.IsBasicNotNull() ? null : ReListen(bridgeUpdater))
using (_IsListening ? _ListenerRegister.GetPropertySilenter(res.CValue) : null)
{
var oldValue = propertyAccessor.Get();
propertyAccessor.Set(glue.CValue);
var actualValue = propertyAccessor.Get();
if (Object.Equals(actualValue, glue.CValue))
{
res.UpdateGlueProperty(propertyName, glue);
return;
}
if (!Object.Equals(oldValue, actualValue))
{
CSharpPropertyChanged(res.CValue, new PropertyChangedEventArgs(propertyName));
}
}
});
if (!(bridgeUpdater?.HasUpdatesOnJavascriptContext == true))
{
return;
}
await Context.RunOnJavascriptContextAsync(() =>
{
bridgeUpdater.UpdateOnJavascriptContext(Context.ViewModelUpdater);
});
}
catch (Exception e)
{
_Logger.Error(() => $"Unable to update ViewModel from View, exception raised: {e.Message}");
}
}
private void Crashed(object sender, BrowserCrashedArgs e)
{
var dest = _CurrentWebControl.HTMLWindow.Url;
var vm = Binding.Root;
var mode = Binding.Mode;
_webSessionLogger.Error("WebView crashed trying recover");
CleanWebControl(ref _CurrentWebControl);
Binding = null;
Navigate(dest, vm, mode);
}
public bool Eval(string code, out IJavascriptObject res)
{
var resValue = V8Context.Eval(code, string.Empty, 1, out var v8Res, out var exception);
res = v8Res?.Convert();
if (exception != null)
{
_Logger?.Error($"Error during javascript code evaluation. Code: {code}, Exception: {exception.Message}");
}
return(resValue);
}
public PackUriResourceHandler(Uri packUri, IWebSessionLogger logger)
{
StreamResourceInfo resInfo = null;
try
{
resInfo = System.Windows.Application.GetResourceStream(packUri);
}
catch (Exception exception)
{
logger?.Error(() => $"Unable to find pack ressource:{packUri} exception:{exception}");
}
GetResponseHeaders += (s1, e1) =>
{
if (resInfo == null)
{
e1.Response.Status = 404;
e1.Response.StatusText = "Not Found";
return;
}
e1.ResponseLength = resInfo.Stream.Length;
e1.Response.MimeType = GetMineType(resInfo, packUri);
e1.Response.Status = 200;
e1.Response.StatusText = "OK";
};
ReadResponse += (s2, e2) =>
{
if (resInfo == null)
{
e2.SetReturnValue(false);
return;
}
var buffer = new byte[e2.BytesToRead];
var bytesRead = resInfo.Stream.Read(buffer, 0, e2.BytesToRead);
System.Runtime.InteropServices.Marshal.Copy(buffer, 0, e2.DataOut, bytesRead);
e2.BytesRead = bytesRead;
e2.SetReturnValue(true);
};
ProcessRequest += (s3, e3) =>
{
e3.Callback.Continue();
e3.SetReturnValue(true);
};
}
public PackUriResourceHandler(Uri packUri, IWebSessionLogger logger)
{
_Uri = packUri;
try
{
_StreamResourceInfo = System.Windows.Application.GetResourceStream(packUri);
}
catch (Exception exception)
{
logger?.Error(() => $"Unable to find pack ressource:{packUri} exception:{exception}");
}
GetResponseHeaders += PackUriResourceHandler_GetResponseHeaders;
ReadResponse += PackUriResourceHandler_ReadResponse;
ProcessRequest += PackUriResourceHandler_ProcessRequest;
CanGetCookie += PackUriResourceHandler_CanGetCookie;
CanSetCookie += PackUriResourceHandler_CanSetCookie;
}
public void LogCriticalTest()
{
_nullLogger.Error(string.Empty);
}
private void LogJavascriptSetException(Exception exception)
{
_Logger.Error(() => $"Unable to update ViewModel from View, exception raised: {exception.Message}");
}
public void AddProperty(IJavascriptObject father, string propertyName, IJavascriptObject value)
{
_Logger.Error("adding property not supported by knockout pluggin");
}
private void Crashed(object sender, BrowserCrashedArgs e)
{
_webSessionLogger.Error("WebView crashed trying recover");
Reload(true);
}