to enable audio controls in cefsharp Browser

Question

Hello Sir,

I have changed default web broswer to cefsharp chromium web browser but the thing is chrome is not supporting audio with in my browser when i upload html pages . I have tried this

using System;
using System.Windows;
using System.Windows.Media.Imaging;
using Syncfusion.Windows.Shared;
using Microsoft.Win32.SafeHandles;
using VISL.Entity;
using VISL.Common;
using VISL.BoxedApp;
using VISL.DAL;
using System.IO;
using System.Runtime.InteropServices;
using System.Windows.Interop;
using VISL.Subjects;
using System.Windows.Input;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using System.Windows.Controls;
using System.Windows.Navigation;
using System.Reflection;
using System.IO.Compression;
using CefSharp;
using CefSharp.Wpf;
namespace VISL.Subjects
{
/// <summary>
/// Interaction logic for CefTest.xaml
/// </summary>
public partial class CefTest : Window
{
Window prevWindow;
ContentMasterDTO content;
string tempDirPath = string.Empty;
//DisplayRestriction displayRestriction = new DisplayRestriction();
VideoPlayerDAL videoPlayerDAL = new VideoPlayerDAL();
PreviousSelection prevSelection;
#region Print Screen and Other Restrictions
[DllImport("user32.dll")]
static extern bool SetWindowDisplayAffinity(IntPtr hwnd, DisplayAffinity affinity);
[DllImport("user32.dll")]
static extern IntPtr GetActiveWindow();
#endregion
public CefTest()
{
InitializeComponent();
this.Icon = new BitmapImage(new Uri(CommonProperties.AppIcon));
this.WindowState = WindowState.Maximized;
this.WindowState = System.Windows.WindowState.Maximized;
this.WindowStyle = WindowStyle.SingleBorderWindow;
}
public CefTest(ContentMasterDTO obj) : this()
{
content = obj;
}
public CefTest(ContentMasterDTO obj, Window _prevWindow) : this()
{
content = obj;
prevWindow = _prevWindow;
}
public CefTest(ContentMasterDTO obj, PreviousSelection prev) : this()
{
content = obj;
prevSelection = prev;
}
private void Window_Loaded(object sender, EventArgs e)
{
if (prevWindow != null)
{
prevWindow.Hide();
}
//string htmlString = System.IO.File.ReadAllText(CommonProperties.ExecutablePath + @"\Contents\Agriculture\Index.htm");
//htmlString = ImageDisplay(htmlString);
//webBrowser.NavigateToString(htmlString);
//string path = @"E:\VISL\VISL\bin\x86\Debug\Contents\Agriculture\Index.html";
//webBrowser.Navigate(path);
//webBrowser.Navigated += new NavigatedEventHandler(webBrowser_Navigated);
//InitHTMLPlayer();
//var hwnd = new WindowInteropHelper(this).Handle;
//SetWindowDisplayAffinity(hwnd, DisplayAffinity.Monitor);
}
public void InitHTMLPlayer()
{
try
{
#region Display HTML
BoxedAppSDK.NativeMethods.BoxedAppSDK_SetContext("29c3c554-6033-4eb5-95fe-cadc013c229e"); // <-- set the key here
BoxedAppSDK.NativeMethods.BoxedAppSDK_Init();
//content.ContentPath = @"E:\Visual studio projects\VISL\bin\Debug\Contents\MicroOrganism_#8EEIOP7#V1W07I.zip.Pro";
//EncryptionKeyDTO obj = videoPlayerDAL.GetEncryptionKey(11);
EncryptionKeyDTO obj = videoPlayerDAL.GetEncryptionKey(content.IdEncryptionKey);
CommonUtils.Key = Convert.FromBase64String(obj.EncryptionKEY);
CommonUtils.IV = Convert.FromBase64String(obj.EncryptionIV);
using (SafeFileHandle fileHandle =
new SafeFileHandle(
BoxedAppSDK.NativeMethods.BoxedAppSDK_CreateVirtualFileBasedOnIStream(
@"virtualZipFile.zip", // name of the pseudo file
BoxedAppSDK.NativeMethods.EFileAccess.GenericWrite,
BoxedAppSDK.NativeMethods.EFileShare.Read,
IntPtr.Zero,
BoxedAppSDK.NativeMethods.ECreationDisposition.New,
BoxedAppSDK.NativeMethods.EFileAttributes.Normal,
IntPtr.Zero,
new VirtualFileStream(content.ContentPath)
),
true
)
)
{
// We use "using" to close the allocated handle
// The virtual file will still exist
}
//// Load a html in HTMLPlayer.
tempDirPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) + "\\OfflineHtml";
//tempDirPath = "D:\"
//tempDirPath = @"C:\OfflineHtml";
if (!Directory.Exists(tempDirPath))
Directory.CreateDirectory(tempDirPath);
else
DeleteDirectory(tempDirPath);
Directory.CreateDirectory(tempDirPath);
ReadWriteStream();
string zipPath = tempDirPath + "\\tempVirtualFile.zip";
System.IO.Compression.ZipFile.ExtractToDirectory(zipPath, tempDirPath);
File.Delete(zipPath);
foreach (string d in Directory.GetDirectories(tempDirPath))
{
tempDirPath = d + "\\index.html";
}
//webBrowser.Navigate(new Uri(tempDirPath, UriKind.RelativeOrAbsolute));
web.Address = tempDirPath;
// webBrowser.URL = tempDirPath;
// webBrowser.Source = new Uri(tempDirPath);
//tempDirPath = System.IO.Path.GetTempPath() + "OfflineHtml";
//if (!Directory.Exists(tempDirPath))
// Directory.CreateDirectory(tempDirPath);
//Stream a = File.Open(@"virtualZipFile.html", FileMode.Open);
//Stream b = File.Open(tempDirPath + "\\tempVirtualFile.html", FileMode.Create);
//ReadWriteStream(a, b);
//tempDirPath = Directory.GetParent(System.Reflection.Assembly.GetExecutingAssembly().Location).FullName;
//tempDirPath = tempDirPath + "\\virtualZipFile.html";
//Stream source = File.OpenRead(tempDirPath);
//webBrowser.NavigateToStream(source);
//webBrowser.Navigated += new NavigatedEventHandler(webBrowser_Navigated);
#endregion
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void ReadWriteStream()//Stream readStream, Stream writeStream
{
Stream readStream = File.Open(@"virtualZipFile.zip", FileMode.Open);
Stream writeStream = File.Open(tempDirPath + "\\tempVirtualFile.zip", FileMode.Create);
int Length = 1024 * 1024; //Convert.ToInt32(readStream.Length / 16);
Byte[] buffer = new Byte[1024 * 1024];
int bytesRead = 1; //readStream.Read(buffer, 0, Length);
// write the required bytes
while (bytesRead > 0)
{
bytesRead = readStream.Read(buffer, 0, Length);
writeStream.Write(buffer, 0, bytesRead);
}
readStream.Close();
writeStream.Close();
readStream.Dispose();
writeStream.Dispose();
GC.Collect();
}
private void DeleteDirectory(string path)
{
try
{
if (Directory.Exists(path))
{
string[] fileList = Directory.GetFiles(path);
//Delete all files from the Directory
foreach (string file in fileList)//Directory.GetFiles(path))
{
FileAttributes attr = File.GetAttributes(file);
//if (attr == FileAttributes.ReadOnly)
// File.SetAttributes(file, FileAttributes.Normal);
File.Delete(file);
}
//Delete all child Directories
foreach (string directory in Directory.GetDirectories(path))
{
DeleteDirectory(directory);
}
//Delete a Directory
Directory.Delete(path, true);
}
}
catch (Exception ex)
{
Console.Write(ex.Message);
}
}
private void webBrowser_Navigated(object sender, NavigationEventArgs e)
{
//SetSilent(webBrowser, true); // make it silent
}
public string ImageDisplay(string htmlString)
{
string part1 = " <img src=" + "\"" + CommonProperties.ExecutablePath + "\\App_Images\\";
string part2 = "\"" + " />";
string pattern1 = @"<(img)\b[^>]*>";
string pattern2 = @"</(img)\b[^>]*>";
GetImagesInHTMLString(htmlString, pattern1).ForEach(i =>
{
htmlString = htmlString.Replace(i, part1);
});
GetImagesInHTMLString(htmlString, pattern2).ForEach(i =>
{
htmlString = htmlString.Replace(i, part2);
});
return htmlString;
}
private List<string> GetImagesInHTMLString(string htmlString, string pattern)
{
List<string> images = new List<string>();
Regex rgx = new Regex(pattern, RegexOptions.IgnoreCase);
MatchCollection matches = rgx.Matches(htmlString);
for (int i = 0, l = matches.Count; i < l; i++)
{
images.Add(matches[i].Value);
}
return images;
}
public static void SetSilent(WebBrowser browser, bool silent)
{
if (browser == null)
throw new ArgumentNullException("browser");
// get an IWebBrowser2 from the document
IOleServiceProvider sp = browser.Document as IOleServiceProvider;
if (sp != null)
{
Guid IID_IWebBrowserApp = new Guid("0002DF05-0000-0000-C000-000000000046");
Guid IID_IWebBrowser2 = new Guid("D30C1661-CDAF-11d0-8A3E-00C04FC9E26E");
object webBrowser;
sp.QueryService(ref IID_IWebBrowserApp, ref IID_IWebBrowser2, out webBrowser);
if (webBrowser != null)
{
webBrowser.GetType().InvokeMember("Silent", BindingFlags.Instance | BindingFlags.Public | BindingFlags.PutDispProperty, null, webBrowser, new object[] { silent });
}
}
}
private void btnBack_Click(object sender, RoutedEventArgs e)
{
//webBrowser = new WebBrowser();
//Cef.Shutdown();
DeleteDirectory(tempDirPath);
if (prevWindow != null)
{
this.Hide();
prevWindow.Show();
}
else
{
CefTest currentWindow = this;
MainWindow obj = new MainWindow(prevSelection);
obj.Show();
currentWindow.Visibility = Visibility.Hidden;
}
}
private void btnHome_Click(object sender, RoutedEventArgs e)
{
//webBrowser = new WebBrowser();
DeleteDirectory(tempDirPath);
List_standards frmList_standards = new VISL.List_standards(this);
frmList_standards.Show();
}
private void btnInfo_Click(object sender, RoutedEventArgs e)
{
//webBrowser = new WebBrowser();
DeleteDirectory(tempDirPath);
AbountUs frmAboutUs = new AbountUs(this);
frmAboutUs.Show();
}
private void Window_Closed(object sender, EventArgs e)
{
//webBrowser = new WebBrowser();
// Cef.Shutdown();
//webBrowser.Source = null;
//DeleteDirectory(tempDirPath);
/// Cef.Shutdown();
DeleteDirectory(tempDirPath);
}
}
}