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using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Net;
using System.Reflection;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Markup;
using System.Windows.Navigation;
using System.Windows.Threading;
using Gestor.Application.Properties;
using HtmlAgilityPack;
using mshtml;
namespace Gestor.Application.Componentes;
public class WebBrowser : UserControl, IComponentConnector
{
public HTMLDocument HtmlDocument;
public WebBrowser Browser;
public static readonly DependencyProperty IsReadOnlyProperty = DependencyProperty.Register("IsReadOnly", typeof(bool), typeof(WebBrowser), new PropertyMetadata((object)false));
internal Grid GridWebBrowser;
private bool _contentLoaded;
public bool IsReadOnly
{
get
{
return (bool)((DependencyObject)this).GetValue(IsReadOnlyProperty);
}
set
{
((DependencyObject)this).SetValue(IsReadOnlyProperty, (object)value);
}
}
public WebBrowser()
{
InitializeComponent();
Dispatcher dispatcher = ((DispatcherObject)this).Dispatcher;
if (dispatcher != null)
{
dispatcher.BeginInvoke((DispatcherPriority)7, (Delegate)new Action(ContentLoad));
}
}
private void ContentLoad()
{
//IL_0008: Unknown result type (might be due to invalid IL or missing references)
//IL_0012: Expected O, but got Unknown
((UIElement)this).PreviewKeyDown += new KeyEventHandler(Browser_PreviewKeyDown);
}
private void Browser_PreviewKeyDown(object sender, KeyEventArgs e)
{
if (IsReadOnly)
{
((RoutedEventArgs)e).Handled = true;
}
}
public void InstanciateNew(string htmlData = null)
{
//IL_0015: Unknown result type (might be due to invalid IL or missing references)
//IL_001f: Expected O, but got Unknown
//IL_0052: Unknown result type (might be due to invalid IL or missing references)
//IL_0057: Unknown result type (might be due to invalid IL or missing references)
//IL_0063: Expected O, but got Unknown
//IL_0070: Unknown result type (might be due to invalid IL or missing references)
//IL_007a: Expected O, but got Unknown
if (Browser != null)
{
Browser.LoadCompleted -= new LoadCompletedEventHandler(Completed);
((HwndHost)Browser).Dispose();
((Panel)GridWebBrowser).Children.Remove((UIElement)(object)Browser);
}
HtmlDocument?.clear();
Browser = new WebBrowser
{
IsEnabled = true
};
Browser.LoadCompleted += new LoadCompletedEventHandler(Completed);
((Panel)GridWebBrowser).Children.Add((UIElement)(object)Browser);
HideScriptErrors();
htmlData = HtmlEncode(htmlData);
Browser.NavigateToString(string.IsNullOrEmpty(htmlData) ? Resources.New : htmlData);
HtmlDocument = Browser.Document as HTMLDocument;
if (HtmlDocument != null)
{
HtmlDocument.charset = "ISO-8859-1";
HtmlDocument.designMode = "On";
}
}
public static string HtmlEncode(string html)
{
//IL_0005: Unknown result type (might be due to invalid IL or missing references)
//IL_000a: Unknown result type (might be due to invalid IL or missing references)
//IL_0011: Unknown result type (might be due to invalid IL or missing references)
//IL_0018: Unknown result type (might be due to invalid IL or missing references)
if (html == null)
{
return null;
}
HtmlDocument val = new HtmlDocument();
val.LoadHtml(html);
val.OptionWriteEmptyNodes = true;
EncodeNode(val.DocumentNode);
return val.DocumentNode.InnerHtml;
}
private static void EncodeNode(HtmlNode node)
{
//IL_0054: Unknown result type (might be due to invalid IL or missing references)
//IL_005a: Invalid comparison between Unknown and I4
//IL_001e: Unknown result type (might be due to invalid IL or missing references)
//IL_0024: Invalid comparison between Unknown and I4
if (node.HasChildNodes)
{
foreach (HtmlNode item in (IEnumerable<HtmlNode>)node.ChildNodes)
{
if ((int)item.NodeType == 3)
{
item.InnerHtml = WebUtility.HtmlEncode(item.InnerHtml);
}
else
{
EncodeNode(item);
}
}
return;
}
if ((int)node.NodeType == 3)
{
node.InnerHtml = WebUtility.HtmlEncode(node.InnerHtml);
}
}
private void HideScriptErrors()
{
FieldInfo field = typeof(WebBrowser).GetField("_axIWebBrowser2", BindingFlags.Instance | BindingFlags.NonPublic);
if (!(field == null))
{
object value = field.GetValue(Browser);
value?.GetType().InvokeMember("Silent", BindingFlags.SetProperty, null, value, new object[1] { true });
}
}
private void Completed(object sender, NavigationEventArgs e)
{
HtmlDocument = Browser.Document as HTMLDocument;
if (HtmlDocument != null)
{
HtmlDocument.designMode = "On";
}
}
public void ReadOnly(bool isReadOnly)
{
IsReadOnly = isReadOnly;
}
[DebuggerNonUserCode]
[GeneratedCode("PresentationBuildTasks", "4.0.0.0")]
public void InitializeComponent()
{
if (!_contentLoaded)
{
_contentLoaded = true;
Uri uri = new Uri("/Gestor.Application;component/componentes/webbrowser.xaml", UriKind.Relative);
Application.LoadComponent((object)this, uri);
}
}
[DebuggerNonUserCode]
[GeneratedCode("PresentationBuildTasks", "4.0.0.0")]
[EditorBrowsable(EditorBrowsableState.Never)]
void IComponentConnector.Connect(int connectionId, object target)
{
//IL_0006: Unknown result type (might be due to invalid IL or missing references)
//IL_0010: Expected O, but got Unknown
if (connectionId == 1)
{
GridWebBrowser = (Grid)target;
}
else
{
_contentLoaded = true;
}
}
}
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