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Fix #539: replace IE WebView with Edge WebView2

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This commit is contained in:
Paddy Xu
2021-01-10 14:50:56 +01:00
parent 9c384be49c
commit 7cf0d0affb
9 changed files with 146 additions and 311 deletions
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77
QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/WebpagePanel.cs
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@@ -1,4 +1,4 @@
// Copyright © 2017 Paddy Xu
// Copyright © 2021 Paddy Xu and mooflu
//
// This file is part of QuickLook program.
//
@@ -15,42 +15,85 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Windows;
using System.Windows.Threading;
using System.Windows.Controls;
using Microsoft.Web.WebView2.Core;
using Microsoft.Web.WebView2.Wpf;
using QuickLook.Common.Helpers;
namespace QuickLook.Plugin.HtmlViewer
{
public class WebpagePanel : WpfWebBrowserWrapper
public class WebpagePanel : UserControl
{
private Uri _currentUri;
private WebView2 _webView;
public WebpagePanel()
{
Zoom = (int)(100 * DpiHelper.GetCurrentScaleFactor().Vertical);
if (!Helper.IsWebView2Available())
{
Content = CreateDownloadButton();
}
else
{
_webView = new WebView2();
_webView.NavigationStarting += NavigationStarting_CancelNavigation;
Content = _webView;
}
}
// adjust zoom when DPI changes.
protected override void OnDpiChanged(DpiScale oldDpi, DpiScale newDpi)
public void NavigateToFile(string path)
{
var ratio = newDpi.DpiScaleX / oldDpi.DpiScaleX;
Zoom = (int)(Zoom * ratio);
base.OnDpiChanged(oldDpi, newDpi);
var uri = Path.IsPathRooted(path) ? Helper.FilePathToFileUrl(path) : new Uri(path);
NavigateToUri(uri);
}
public void LoadFile(string path)
public void NavigateToUri(Uri uri)
{
if (Path.IsPathRooted(path))
path = Helper.FilePathToFileUrl(path);
if (_webView == null)
return;
Dispatcher.Invoke(() => { base.Navigate(path); }, DispatcherPriority.Loaded);
_webView.Source = uri;
_currentUri = _webView?.Source;
}
public void LoadHtml(string html)
public void NavigateToHtml(string html)
{
var s = new MemoryStream(Encoding.UTF8.GetBytes(html ?? ""));
_webView.EnsureCoreWebView2Async()
.ContinueWith(_ => Dispatcher.Invoke(() => _webView?.NavigateToString(html)));
}
Dispatcher.Invoke(() => { base.Navigate(s); }, DispatcherPriority.Loaded);
private void NavigationStarting_CancelNavigation(object sender, CoreWebView2NavigationStartingEventArgs e)
{
if (e.Uri.StartsWith("data:")) // when using NavigateToString
return;
var newUri = new Uri(e.Uri);
if (newUri != _currentUri) e.Cancel = true;
}
public void Dispose()
{
_webView?.Dispose();
_webView = null;
}
private object CreateDownloadButton()
{
var button = new Button
{
Content = TranslationHelper.Get("WEBVIEW2_NOT_AVAILABLE"),
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Padding = new Thickness(20, 6, 20, 6)
};
button.Click += (sender, e) => Process.Start("https://go.microsoft.com/fwlink/p/?LinkId=2124703");
return button;
}
}
}