allow setting brwoser request preferences

Author: jodett

CefSharp.OutOfProcess.BrowserProcess/BrowserProcessHandler.cs

@@ -136,16 +136,17 @@ void IOutOfProcessClientRpc.SetFocus(int browserId, bool focus)
         }
 
         /// <summary>
+        /// Update Request Context Preferences of the browser.
+        /// </summary>
         /// <param name="browserId">The browser id.</param>
         /// <param name="preferences">The preferences.</param>
-        /// </summary>
         void IOutOfProcessClientRpc.UpdateRequestContextPreferences(int browserId, IDictionary<string, object> preferences)
         {
             var browser = _browsers.FirstOrDefault(x => x.Id == browserId);
 
             CefThread.ExecuteOnUiThread(() =>
             {
-                if (browser.GetRequestContext() is IRequestContext requestContext)
+                if (browser?.GetRequestContext() is IRequestContext requestContext)
                 {
                     foreach (KeyValuePair<string, object> pref in preferences)
                     {
@@ -158,9 +159,9 @@ void IOutOfProcessClientRpc.UpdateRequestContextPreferences(int browserId, IDict
         }
 
         /// <summary>
-        /// <param name="browserId">The browser id.</param>
-        /// <param name="preferences">The preferences.</param>
+        /// Update Global Request Context Preferences for all browsers.
         /// </summary>
+        /// <param name="preferences">The preferences.</param>
         void IOutOfProcessClientRpc.UpdateGlobalRequestContextPreferences(IDictionary<string, object> preferences)
         {
             CefThread.ExecuteOnUiThread(() =>

CefSharp.OutOfProcess.Core/OutOfProcessHost.cs

@@ -256,5 +256,24 @@ public static Task<OutOfProcessHost> CreateAsync(string path = HostExeName, stri
 
             return host.InitializedTask;
         }
+
+        /// <summary>
+        /// Update Request Context Preferences of the browser.
+        /// </summary>
+        /// <param name="browserId">The browser id.</param>
+        /// <param name="preferences">The preferences.</param>
+        public void UpdateRequestContextPreferences(int browserId, IDictionary<string, object> preferences)
+        {
+            _outOfProcessClient.UpdateRequestContextPreferences(browserId, preferences);
+        }
+
+        /// <summary>
+        /// Update Global Request Context Preferences for all browsers.
+        /// </summary>
+        /// <param name="preferences">The preferences.</param>
+        public void UpdateGlobalRequestContextPreferences(IDictionary<string, object> preferences)
+        {
+            _outOfProcessClient.UpdateGlobalRequestContextPreferences(preferences);
+        }
     }
 }

CefSharp.OutOfProcess.Wpf.HwndHost/ChromiumWebBrowser.cs

@@ -17,6 +17,7 @@
 using System.Windows.Interop;
 using System.Windows.Threading;
 using Window = System.Windows.Window;
+using System.Collections.Generic;
 
 namespace CefSharp.OutOfProcess.Wpf.HwndHost
 {
@@ -281,7 +282,7 @@ public bool IsDisposed
         /// <param name="initialAddress">address to load initially</param>
         public ChromiumWebBrowser(OutOfProcessHost host, string initialAddress = null)
         {
-            if(host == null)
+            if (host == null)
             {
                 throw new ArgumentNullException(nameof(host));
             }
@@ -319,6 +320,12 @@ public ChromiumWebBrowser(OutOfProcessHost host, string initialAddress = null)
             UseLayoutRounding = true;
         }
 
+        public ChromiumWebBrowser(OutOfProcessHost host, string initialAddress = null, IDictionary<string, object> requestContextPreferences = null)
+            : this(host, initialAddress)
+        {
+            this.requestContextPreferences = requestContextPreferences;
+        }
+
         /// <inheritdoc/>
         int IChromiumWebBrowserInternal.Id
         {
@@ -418,6 +425,15 @@ public Task<Response> GoForwardAsync(NavigationOptions options = null)
             return _devToolsContext.GoForwardAsync(options);
         }
 
+        /// <summary>
+        /// Update Global Request Context Preferences for all browsers.
+        /// </summary>
+        /// <param name="preferences">The preferences.</param>
+        public void UpdateRequestContextPreferences(IDictionary<string, object> preferences)
+        {
+            _host.UpdateRequestContextPreferences(this._id, preferences);
+        }
+
         private void PresentationSourceChangedHandler(object sender, SourceChangedEventArgs args)
         {
             if (args.NewSource != null)
@@ -492,7 +508,7 @@ protected override HandleRef BuildWindowCore(HandleRef hwndParent)
                             0);
             }
 
-            _host.CreateBrowser(this, _hwndHost, url: _initialAddress, out _id);
+            _host.CreateBrowser(this, _hwndHost, url: _initialAddress, out _id, requestContextPreferences);
 
             _devToolsContextConnectionTransport = new OutOfProcessConnectionTransport(_id, _host);
 
@@ -511,7 +527,7 @@ protected override void DestroyWindowCore(HandleRef hwnd)
         ///<inheritdoc/>
         protected override bool TabIntoCore(TraversalRequest request)
         {
-            if(InternalIsBrowserInitialized())
+            if (InternalIsBrowserInitialized())
             {
                 _host.SetFocus(_id, true);
 
@@ -524,7 +540,7 @@ protected override bool TabIntoCore(TraversalRequest request)
         ///<inheritdoc/>
         protected override void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e)
         {
-            if(!e.Handled)
+            if (!e.Handled)
             {
                 if (InternalIsBrowserInitialized())
                 {
@@ -567,18 +583,18 @@ protected override IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lP
             {
                 case WM_SETFOCUS:
                 case WM_MOUSEACTIVATE:
-                {
-                    if(InternalIsBrowserInitialized())
                     {
-                        
-                        _host.SetFocus(_id, true);
+                        if (InternalIsBrowserInitialized())
+                        {
+
+                            _host.SetFocus(_id, true);
 
-                        handled = true;
+                            handled = true;
 
-                        return IntPtr.Zero;
+                            return IntPtr.Zero;
+                        }
+                        break;
                     }
-                    break;
-                }
             }
             return base.WndProc(hwnd, msg, wParam, lParam, ref handled);
         }
@@ -727,8 +743,8 @@ void IChromiumWebBrowserInternal.OnAfterBrowserCreated(IntPtr hwnd)
             {
                 return;
             }
-            
-           _browserHwnd = hwnd;
+
+            _browserHwnd = hwnd;
 
             Interlocked.Exchange(ref _browserInitialized, 1);
 
@@ -1070,6 +1086,11 @@ public IChromiumWebBrowser WebBrowser
         public static readonly DependencyProperty WebBrowserProperty =
             DependencyProperty.Register(nameof(WebBrowser), typeof(IChromiumWebBrowser), typeof(ChromiumWebBrowser), new UIPropertyMetadata(defaultValue: null));
 
+        /// <summary>
+        /// The requestContextPreferences used for the RequestContext.
+        /// </summary>
+        private readonly IDictionary<string, object> requestContextPreferences;
+
         /// <summary>
         /// Runs the specific Action on the Dispatcher in an async fashion
         /// </summary>
@@ -1215,22 +1236,22 @@ private void OnWindowStateChanged(object sender, EventArgs e)
             {
                 case WindowState.Normal:
                 case WindowState.Maximized:
-                {
-                    if (_previousWindowState == WindowState.Minimized && InternalIsBrowserInitialized())
                     {
-                        ResizeBrowser((int)ActualWidth, (int)ActualHeight);
+                        if (_previousWindowState == WindowState.Minimized && InternalIsBrowserInitialized())
+                        {
+                            ResizeBrowser((int)ActualWidth, (int)ActualHeight);
+                        }
+                        break;
                     }
-                    break;
-                }
                 case WindowState.Minimized:
-                {
-                    if (InternalIsBrowserInitialized())
                     {
-                        //Set the browser size to 0,0 to reduce CPU usage
-                        ResizeBrowser(0, 0);
+                        if (InternalIsBrowserInitialized())
+                        {
+                            //Set the browser size to 0,0 to reduce CPU usage
+                            ResizeBrowser(0, 0);
+                        }
+                        break;
                     }
-                    break;
-                }
             }
 
             _previousWindowState = window.WindowState;