- Add CefFocusHandler::OnFocusedNodeChanged() notification (issue #379).

- Add CefDOMNode::IsFormControlElement() and CefDOMNode::GetFormControlElementType() methods (issue #379).
- Add space bar handling example to cefclient.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@318 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tests/cefclient/client_handler.cpp

@@ -20,7 +20,8 @@ ClientHandler::ClientHandler()
     m_BackHwnd(NULL),
     m_ForwardHwnd(NULL),
     m_StopHwnd(NULL),
-    m_ReloadHwnd(NULL)
+    m_ReloadHwnd(NULL),
+    m_bFormElementHasFocus(false)
 {
 }
 
@@ -201,6 +202,37 @@ bool ClientHandler::OnConsoleMessage(CefRefPtr<CefBrowser> browser,
   return false;
 }
 
+void ClientHandler::OnFocusedNodeChanged(CefRefPtr<CefBrowser> browser,
+                                         CefRefPtr<CefFrame> frame,
+                                         CefRefPtr<CefDOMNode> node)
+{
+  REQUIRE_UI_THREAD();
+
+  // Set to true if a form element has focus.
+  m_bFormElementHasFocus = (node.get() && node->IsFormControlElement());
+}
+
+bool ClientHandler::OnKeyEvent(CefRefPtr<CefBrowser> browser,
+                               KeyEventType type,
+                               int code,
+                               int modifiers,
+                               bool isSystemKey)
+{
+  REQUIRE_UI_THREAD();
+
+  if (!m_bFormElementHasFocus && code == 0x20) {
+    // Special handling for the space character if a form element does not have
+    // focus.
+    if (type == KEYEVENT_RAWKEYDOWN) {
+      browser->GetMainFrame()->ExecuteJavaScript(
+          "alert('You pressed the space bar!');", "", 0);
+    }
+    return true;
+  }
+
+  return false;
+}
+
 bool ClientHandler::GetPrintHeaderFooter(CefRefPtr<CefBrowser> browser,
                                          CefRefPtr<CefFrame> frame,
                                          const CefPrintInfo& printInfo,

tests/cefclient/client_handler.h

@@ -21,6 +21,8 @@ class ClientHandler : public CefClient,
                       public CefLoadHandler,
                       public CefRequestHandler,
                       public CefDisplayHandler,
+                      public CefFocusHandler,
+                      public CefKeyboardHandler,
                       public CefPrintHandler,
                       public CefJSBindingHandler,
                       public CefDragHandler,
@@ -39,6 +41,10 @@ public:
       { return this; }
   virtual CefRefPtr<CefDisplayHandler> GetDisplayHandler() OVERRIDE
       { return this; }
+  virtual CefRefPtr<CefFocusHandler> GetFocusHandler() OVERRIDE
+      { return this; }
+  virtual CefRefPtr<CefKeyboardHandler> GetKeyboardHandler() OVERRIDE
+      { return this; }
   virtual CefRefPtr<CefPrintHandler> GetPrintHandler() OVERRIDE
       { return this; }
   virtual CefRefPtr<CefJSBindingHandler> GetJSBindingHandler() OVERRIDE
@@ -97,6 +103,18 @@ public:
                                 const CefString& source,
                                 int line) OVERRIDE;
   
+  // CefFocusHandler methods.
+  virtual void OnFocusedNodeChanged(CefRefPtr<CefBrowser> browser,
+                                    CefRefPtr<CefFrame> frame,
+                                    CefRefPtr<CefDOMNode> node) OVERRIDE;
+
+  // CefKeyboardHandler methods.
+  virtual bool OnKeyEvent(CefRefPtr<CefBrowser> browser,
+                          KeyEventType type,
+                          int code,
+                          int modifiers,
+                          bool isSystemKey) OVERRIDE;
+
   // CefPrintHandler methods.
   virtual bool GetPrintHeaderFooter(CefRefPtr<CefBrowser> browser,
                                     CefRefPtr<CefFrame> frame,
@@ -192,6 +210,9 @@ protected:
   typedef std::map<std::string, CefRefPtr<CefDOMVisitor> > DOMVisitorMap;
   DOMVisitorMap m_DOMVisitors;
 
+  // True if a form element currently has focus
+  bool m_bFormElementHasFocus;
+
   // Include the default reference counting implementation.
   IMPLEMENT_REFCOUNTING(ClientHandler);
   // Include the default locking implementation.