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.NET (WPF and Windows Forms) bindings for the Chromium Embedded Framework

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Test - Add CanLoadRequestWithPostData test
2021-01-15 13:39:34 +10:00
// Copyright © 2021 The CefSharp Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
using CefSharp.Internals;
Add Fluent DownloadHandler (#3576) * Core - Add Fluent DownloadHandler implementation and IFrame.DownloadUrlAsync Resolves #3550
2021-06-01 13:34:21 +10:00
using System;
using System.IO;
Test - Add CanLoadRequestWithPostData test
2021-01-15 13:39:34 +10:00
using System.Threading.Tasks;
namespace CefSharp
{
/// <summary>
/// Extended WebBrowserExtensions
/// </summary>
public static class WebBrowserExtensionsEx
{
/// <summary>
/// Retrieve the current <see cref="NavigationEntry"/>. Contains information like
/// <see cref="NavigationEntry.HttpStatusCode"/> and <see cref="NavigationEntry.SslStatus"/>
/// </summary>
/// <param name="browser">The ChromiumWebBrowser instance this method extends.</param>
/// <returns>
/// <see cref="Task{NavigationEntry}"/> that when executed returns the current <see cref="NavigationEntry"/> or null
/// </returns>
Core - Further migration of extensions methods from IWebBrowser to IChromiumWebBrowserBase - EvaluateScriptAsync can now be used from IChromiumWebBrowserBase, if also IWebBrowser then main frame check will occur as previous. Related to #3944
2022-01-10 10:00:46 +10:00
public static Task<NavigationEntry> GetVisibleNavigationEntryAsync(this IChromiumWebBrowserBase browser)
Test - Add CanLoadRequestWithPostData test
2021-01-15 13:39:34 +10:00
{
var host = browser.GetBrowserHost();
if (host == null)
{
return Task.FromResult<NavigationEntry>(null);
}
if(Cef.CurrentlyOnThread(CefThreadIds.TID_UI))
{
var entry = host.GetVisibleNavigationEntry();
return Task.FromResult<NavigationEntry>(entry);
}
var tcs = new TaskCompletionSource<NavigationEntry>();
Cef.UIThreadTaskFactory.StartNew(delegate
{
var entry = host.GetVisibleNavigationEntry();
tcs.TrySetResultAsync(entry);
});
return tcs.Task;
}
Add Fluent DownloadHandler (#3576) * Core - Add Fluent DownloadHandler implementation and IFrame.DownloadUrlAsync Resolves #3550
2021-06-01 13:34:21 +10:00
/// <summary>
/// Downloads the specified <paramref name="url"/> and calls <paramref name="completeHandler"/>
/// when the download is complete. Makes a GET Request.
/// </summary>
/// <param name="frame">valid frame</param>
/// <param name="url">url to download</param>
/// <param name="completeHandler">Action to be executed when the download is complete.</param>
public static void DownloadUrl(this IFrame frame, string url, Action<IUrlRequest, Stream> completeHandler)
{
if (!frame.IsValid)
{
throw new Exception("Frame is invalid, unable to continue.");
}
//Can be created on any valid CEF Thread, here we'll use the CEF UI Thread
Cef.UIThreadTaskFactory.StartNew(delegate
{
var request = frame.CreateRequest(false);
request.Method = "GET";
request.Url = url;
var memoryStream = new MemoryStream();
var urlRequestClient = Fluent.UrlRequestClient
.Create()
.OnDownloadData((req, stream) =>
{
stream.CopyTo(memoryStream);
})
.OnRequestComplete((req) =>
{
memoryStream.Position = 0;
completeHandler?.Invoke(req, memoryStream);
})
.Build();
var urlRequest = frame.CreateUrlRequest(request, urlRequestClient);
});
}
/// <summary>
/// Downloads the specified <paramref name="url"/> as a <see cref="byte[]"/>.
/// Makes a GET Request.
/// </summary>
/// <param name="frame">valid frame</param>
/// <param name="url">url to download</param>
/// <returns>A task that can be awaited to get the <see cref="byte[]"/> representing the Url</returns>
public static Task<byte[]> DownloadUrlAsync(this IFrame frame, string url)
{
if (!frame.IsValid)
{
throw new Exception("Frame is invalid, unable to continue.");
}
var taskCompletionSource = new TaskCompletionSource<byte[]>();
//Can be created on any valid CEF Thread, here we'll use the CEF UI Thread
Cef.UIThreadTaskFactory.StartNew(delegate
{
var request = frame.CreateRequest(false);
request.Method = "GET";
request.Url = url;
var memoryStream = new MemoryStream();
var urlRequestClient = Fluent.UrlRequestClient
.Create()
.OnDownloadData((req, stream) =>
{
stream.CopyTo(memoryStream);
})
.OnRequestComplete((req) =>
{
if (req.RequestStatus == UrlRequestStatus.Success)
{
taskCompletionSource.TrySetResultAsync(memoryStream.ToArray());
}
else
{
taskCompletionSource.TrySetExceptionAsync(new Exception("RequestStatus:" + req.RequestStatus + ";StatusCode:" + req.Response.StatusCode));
}
})
.Build();
var urlRequest = frame.CreateUrlRequest(request, urlRequestClient);
});
return taskCompletionSource.Task;
}
WPF - Add ChromiumWebBrowser.ToggleAudioMuteCommand - Add new extension method to toggle audio mute - Add new command to toggle audio mute - Add new menu item to WPF Example Resolves #3247
2022-10-25 12:32:01 +10:00
/// <summary>
/// Toggles audio mute for the current browser.
/// If the <paramref name="browser"/> is null or has been disposed
/// then this command will be a no-op.
/// </summary>
/// <param name="browser">The ChromiumWebBrowser instance this method extends.</param>
public static void ToggleAudioMute(this IChromiumWebBrowserBase browser)
{
if (browser.IsDisposed || Cef.IsShutdown)
{
return;
}
_ = Cef.UIThreadTaskFactory.StartNew(delegate
{
var cefBrowser = browser.BrowserCore;
if (cefBrowser == null || cefBrowser.IsDisposed)
{
return;
}
var host = cefBrowser.GetHost();
var isAudioMuted = host.IsAudioMuted;
host.SetAudioMuted(!isAudioMuted);
});
}
Test - Add CanLoadRequestWithPostData test
2021-01-15 13:39:34 +10:00
}
}
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