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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
using CefSharp;
using CefSharp.Wpf;
using Tango.Core.DI;
using Tango.Core.Helpers;
using Tango.Logging;
using Tango.PPC.Browser.BoundsObjects;
using Tango.PPC.Browser.ViewContracts;
using Tango.PPC.Common.Helpers;
using Tango.Touch.Keyboard;
namespace Tango.PPC.Browser.Views
{
/// <summary>
/// Interaction logic for MainView.xaml
/// </summary>
public partial class BrowserView : UserControl, IBrowserView
{
public event EventHandler<string> AddressChanged;
public static BrowserView Instance { get; set; }
public BrowserView()
{
try
{
var settings = new CefSettings();
settings.BrowserSubprocessPath = @"x86\CefSharp.BrowserSubprocess.exe";
settings.UserAgent = "Mozilla/5.0 (iPad; CPU OS 12_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148";
Cef.Initialize(settings, performDependencyCheck: false, browserProcessHandler: null);
}
catch (Exception ex)
{
LogManager.Default.Log(ex, "Error loading cef.");
}
InitializeComponent();
Instance = this;
TangoIOC.Default.Register<IBrowserView>(this);
Helpers.BoundObjectsHelper.RegisterAllBoundObjects(Browser, Dispatcher);
KeyboardView.Default.KeyboardOpened += Default_KeyboardOpened;
KeyboardView.Default.KeyboardClosed += Default_KeyboardClosed;
var handler = new RequestHandlers.ChromiumRequestHandler();
handler.AddressChanged += Handler_AddressChanged;
Browser.RequestHandler = handler;
Browser.LoadError += Browser_LoadError;
Browser.LoadingStateChanged += Browser_LoadingStateChanged;
}
private void Browser_LoadError(object sender, LoadErrorEventArgs e)
{
//if (e.ErrorCode == CefErrorCode.ConnectionTimedOut || e.ErrorCode == CefErrorCode.NameNotResolved)
//{
InvokeUI(() =>
{
runError.Text = e.ErrorText;
gridError.Visibility = Visibility.Visible;
});
//}
}
private void Browser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e)
{
if (!e.IsLoading)
{
InvokeUI(() =>
{
KeyboardHelper.CloseKeyboard();
});
}
else
{
InvokeUI(() =>
{
gridError.Visibility = Visibility.Hidden;
});
}
}
private void Handler_AddressChanged(object sender, string address)
{
InvokeUI(() =>
{
AddressChanged?.Invoke(this, address);
});
}
private void Default_KeyboardClosed(object sender, EventArgs e)
{
Browser.VerticalAlignment = VerticalAlignment.Stretch;
Browser.Height = double.NaN;
}
private void Default_KeyboardOpened(object sender, EventArgs e)
{
Browser.VerticalAlignment = VerticalAlignment.Top;
Browser.Height = 780;
}
public bool CanGoBack()
{
return Browser.CanGoBack;
}
public void NavigateTo(string address)
{
if (Browser.Address != address)
{
String uri;
if (ValidHttpURL(address, out uri))
{
Browser.Address = uri;
}
else
{
Browser.Address = $"google.com/search?q={address.Replace(" ", "+")}";
}
}
else
{
Browser.Reload();
}
}
public static bool ValidHttpURL(string s, out string result)
{
if (Uri.IsWellFormedUriString(s, UriKind.Absolute))
{
result = s;
return true;
}
else if (s.StartsWith("www."))
{
result = "http://" + s;
return true;
}
result = s;
return false;
}
public void GoBack()
{
if (Browser.CanGoBack)
{
Browser.Back();
}
}
private async void TxtAddress_GotFocus(object sender, RoutedEventArgs e)
{
KeyboardHelper.OpenKeyboard(KeyboardActionKeyMode.Go);
await Task.Delay(100);
txtAddress.SelectAll();
}
private void TxtAddress_LostFocus(object sender, RoutedEventArgs e)
{
KeyboardHelper.CloseKeyboard();
}
private void TxtAddress_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Return)
{
KeyboardHelper.CloseKeyboard();
NavigateTo(txtAddress.Text);
}
}
private void TxtAddress_MouseUp(object sender, MouseButtonEventArgs e)
{
KeyboardHelper.OpenKeyboard(KeyboardActionKeyMode.Go);
}
private async void TxtAddress_PreviewMouseDoubleClick(object sender, MouseButtonEventArgs e)
{
KeyboardHelper.OpenKeyboard(KeyboardActionKeyMode.Go);
await Task.Delay(100);
txtAddress.SelectAll();
}
private void InvokeUI(Action action)
{
Dispatcher.BeginInvoke(action);
}
}
}
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