Add a base class for browser keyboard handling

Core/Handling/KeyboardHandlerBase.cs

@@ -0,0 +1,22 @@
+using System.Windows.Forms;
+using CefSharp;
+
+namespace TweetDuck.Core.Handling{
+    class KeyboardHandlerBase : IKeyboardHandler{
+        protected virtual bool HandleRawKey(IWebBrowser browserControl, IBrowser browser, Keys key, CefEventFlags modifiers){
+            return false;
+        }
+
+        bool IKeyboardHandler.OnPreKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut){
+            if (type == KeyType.RawKeyDown && !browser.FocusedFrame.Url.StartsWith("chrome-devtools://")){
+                return HandleRawKey(browserControl, browser, (Keys)windowsKeyCode, modifiers);
+            }
+
+            return false;
+        }
+
+        bool IKeyboardHandler.OnKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey){
+            return false;
+        }
+    }
+}

Core/Handling/KeyboardHandlerBrowser.cs

@@ -2,19 +2,19 @@
 using CefSharp;
 
 namespace TweetDuck.Core.Handling{
-    sealed class KeyboardHandlerBrowser : IKeyboardHandler{
+    sealed class KeyboardHandlerBrowser : KeyboardHandlerBase{
         private readonly FormBrowser form;
 
         public KeyboardHandlerBrowser(FormBrowser form){
             this.form = form;
         }
 
-        bool IKeyboardHandler.OnPreKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut){
-            return type == KeyType.RawKeyDown && form.ProcessBrowserKey((Keys)windowsKeyCode);
-        }
+        protected override bool HandleRawKey(IWebBrowser browserControl, IBrowser browser, Keys key, CefEventFlags modifiers){
+            if (base.HandleRawKey(browserControl, browser, key, modifiers)){
+                return true;
+            }
 
-        bool IKeyboardHandler.OnKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey){
-            return false;
+            return form.ProcessBrowserKey(key);
         }
     }
 }

Core/Handling/KeyboardHandlerNotification.cs

@@ -4,7 +4,7 @@
 using TweetDuck.Core.Notification;
 
 namespace TweetDuck.Core.Handling {
-    sealed class KeyboardHandlerNotification : IKeyboardHandler{
+    sealed class KeyboardHandlerNotification : KeyboardHandlerBase{
         private readonly FormNotificationBase notification;
 
         public KeyboardHandlerNotification(FormNotificationBase notification){
@@ -15,31 +15,30 @@ private void TriggerKeyboardShortcutAnalytics(){
             notification.InvokeAsyncSafe(notification.AnalyticsFile.NotificationKeyboardShortcuts.Trigger);
         }
 
-        bool IKeyboardHandler.OnPreKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut){
-            if (type == KeyType.RawKeyDown && !browser.FocusedFrame.Url.StartsWith("chrome-devtools://")){
-                switch((Keys)windowsKeyCode){
-                    case Keys.Enter:
-                        notification.InvokeAsyncSafe(notification.FinishCurrentNotification);
-                        TriggerKeyboardShortcutAnalytics();
-                        return true;
-
-                    case Keys.Escape:
-                        notification.InvokeAsyncSafe(notification.HideNotification);
-                        TriggerKeyboardShortcutAnalytics();
-                        return true;
-
-                    case Keys.Space:
-                        notification.InvokeAsyncSafe(() => notification.FreezeTimer = !notification.FreezeTimer);
-                        TriggerKeyboardShortcutAnalytics();
-                        return true;
-                }
+        protected override bool HandleRawKey(IWebBrowser browserControl, IBrowser browser, Keys key, CefEventFlags modifiers){
+            if (base.HandleRawKey(browserControl, browser, key, modifiers)){
+                return true;
             }
 
-            return false;
-        }
+            switch(key){
+                case Keys.Enter:
+                    notification.InvokeAsyncSafe(notification.FinishCurrentNotification);
+                    TriggerKeyboardShortcutAnalytics();
+                    return true;
 
-        bool IKeyboardHandler.OnKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey){
-            return false;
+                case Keys.Escape:
+                    notification.InvokeAsyncSafe(notification.HideNotification);
+                    TriggerKeyboardShortcutAnalytics();
+                    return true;
+
+                case Keys.Space:
+                    notification.InvokeAsyncSafe(() => notification.FreezeTimer = !notification.FreezeTimer);
+                    TriggerKeyboardShortcutAnalytics();
+                    return true;
+
+                default:
+                    return false;
+            }
         }
     }
 }

Core/Other/FormGuide.cs

@@ -70,6 +70,7 @@ private FormGuide(string url, FormBrowser owner){
             this.browser = new ChromiumWebBrowser(url){
                 MenuHandler = new ContextMenuGuide(owner),
                 JsDialogHandler = new JavaScriptDialogHandler(),
+                KeyboardHandler = new KeyboardHandlerBase(),
                 LifeSpanHandler = new LifeSpanHandler(),
                 RequestHandler = new RequestHandlerBase(true),
                 ResourceHandlerFactory = resourceHandlerFactory

TweetDuck.csproj

@@ -92,6 +92,7 @@
       <DependentUpon>FormBrowser.cs</DependentUpon>
     </Compile>
     <Compile Include="Core\Handling\General\FileDialogHandler.cs" />
+    <Compile Include="Core\Handling\KeyboardHandlerBase.cs" />
     <Compile Include="Core\Handling\KeyboardHandlerBrowser.cs" />
     <Compile Include="Core\Handling\KeyboardHandlerNotification.cs" />
     <Compile Include="Core\Handling\RequestHandlerBase.cs" />