internal object Invoke(object evt)
{
var eventArgs = new HtmlEventArgs();
if (evt != null)
{
var dict = (IDictionary <string, object>)((object[])evt)[0];
ScriptObjectHelper.DictionaryToScriptableType(dict, eventArgs);
}
EventHandlers?.Invoke(this.Source, eventArgs);
if (EventHandlers == null)
{
try
{
var eventDelegate = (MulticastDelegate)Source.GetType().GetTypeInfo().GetField(EventName, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public).GetValue(Source);
eventDelegate.DynamicInvoke(new object[] { Source, EventArgs.Empty });
}
catch (Exception exc)
{
// We get an exception if there is nothing to invoke
Console.WriteLine($"exception {exc.Message}");
}
}
return(null);
}
public static async Task <BrowserInformation> GetBrowserInformation()
{
if (browserInfoFunction == null)
{
browserInfoFunction = await WebSharp.CreateJavaScriptFunction(
@"return function (data, callback) {
try {
let browserInfo = {};
browserInfo['appName'] = navigator.appName;
//browserInfo['appVersion'] = navigator.appVersion;
browserInfo['appVersion'] = process.versions.chrome;
browserInfo['userAgent'] = navigator.userAgent;
browserInfo['platform'] = navigator.platform;
browserInfo['cookieEnabled'] = navigator.cookieEnabled;
browserInfo['appCodeName'] = navigator.appCodeName;
callback(null, browserInfo);
} catch (e) { callback(e, null); }
}");
}
var eval = await browserInfoFunction(null);
if (eval != null)
{
var bi = new BrowserInformation();
ScriptObjectHelper.DictionaryToScriptableType((IDictionary <string, object>)eval, bi);
return(bi);
}
return(default(BrowserInformation));
}
public async Task <LoginItemSettings> GetLoginItemSettings()
{
var settings = await Invoke <object>("getLoginItemSettings");
var lis = new LoginItemSettings();
ScriptObjectHelper.DictionaryToScriptableType((System.Collections.Generic.IDictionary <string, object>)settings, lis);
return(lis);
}
public async Task <Location> GetLocation()
{
var location = await GetProperty <object>("location");
if (location != null)
{
var loc = new Location();
ScriptObjectHelper.DictionaryToScriptableType((IDictionary <string, object>)location, loc);
return(loc);
}
return(default(Location));
}
public async Task <Bookmark> ReadBookmark(ClipboardType type = ClipboardType.None)
{
var result = await Invoke <object>("readBookmark", type == ClipboardType.Selection? "selection" : string.Empty);
var bm = new Bookmark();
if (result != null)
{
ScriptObjectHelper.DictionaryToScriptableType((System.Collections.Generic.IDictionary <string, object>)result, bm);
}
return(bm);
}
internal object Invoke(object evt)
{
var eventArgs = new HtmlEventArgs();
defaultPrevented = false;
cancelBubble = false;
eventArgs.PreventDefaultAction = () => { defaultPrevented = true; };
eventArgs.StopPropagationAction = () => { cancelBubble = true; };
if (evt != null)
{
try
{
var dict = (IDictionary <string, object>)((object[])evt)[0];
ScriptObjectHelper.DictionaryToScriptableType(dict, eventArgs);
if (eventArgs.DataTransfer != null)
{
dropEffect = eventArgs.DataTransfer.DropEffectValue;
eventArgs.DataTransfer.DropEffectAction = (eff) => { dropEffect = eff; };
}
}
catch (Exception evtExc)
{
Console.WriteLine($"Error parsing HtmlEventArgs: {evtExc.Message}");
}
}
EventHandlers?.Invoke(this.Source, eventArgs);
if (EventHandlers == null)
{
try
{
var eventDelegate = (MulticastDelegate)Source.GetType().GetTypeInfo().GetField(EventName, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public).GetValue(Source);
eventDelegate.DynamicInvoke(new object[] { Source, EventArgs.Empty });
}
catch (Exception exc)
{
// We get an exception if there is nothing to invoke
Console.WriteLine($"WebSharpHtmlEvent Invoke Exception {exc.Message}");
}
}
return(null);
}
