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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Reflection;
using Tango.PPC.Browser.Attributes;
using CefSharp;
using CefSharp.Wpf;
using Tango.Core.Helpers;
using System.Windows.Threading;
namespace Tango.PPC.Browser.Helpers
{
public static class BoundObjectsHelper
{
private static DispatcherTimer _timer;
private static Dispatcher _dispatcher;
private static ChromiumWebBrowser _browser;
private static List<String> _scripts = new List<string>();
public static void RegisterAllBoundObjects(ChromiumWebBrowser browser, Dispatcher dispatcher)
{
_dispatcher = dispatcher;
_browser = browser;
_timer = new DispatcherTimer(DispatcherPriority.Background, dispatcher);
_timer.Tick += _timer_Tick;
_timer.Interval = TimeSpan.FromSeconds(2);
_timer.Stop();
foreach (var type in typeof(BoundObjectsHelper).Assembly.GetTypes().Where(x => x.GetCustomAttribute<BoundObjectAttribute>() != null))
{
var att = type.GetCustomAttribute<BoundObjectAttribute>();
var script = EmbeddedResourceHelper.GetEmbeddedResourceText($"Tango.PPC.Browser.Scripts.{att.ScriptFile}");
_scripts.Add(script);
browser.JavascriptObjectRepository.Register(att.Name, Activator.CreateInstance(type), true);
browser.FrameLoadEnd += Browser_FrameLoadEnd;
}
}
private static void Browser_FrameLoadEnd(object sender, FrameLoadEndEventArgs e)
{
_timer.Stop();
_timer.Start();
}
private static void _timer_Tick(object sender, EventArgs e)
{
try
{
_timer.Stop();
_dispatcher.BeginInvoke(new Action(() =>
{
foreach (var script in _scripts)
{
_browser.GetMainFrame().ExecuteJavaScriptAsync(script);
}
}));
}
catch
{
_timer.Start();
}
}
}
}
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