public:

typedef cef_handler_focus_source_t FocusSource;

///

// Called when the browser component is about to loose focus. For instance, if

// focus was on the last HTML element and the user pressed the TAB key. |next|

// will be true if the browser is giving focus to the next component and false

// if the browser is giving focus to the previous component.

///

/*--cef()--*/

virtual void OnTakeFocus(CefRefPtr<CefBrowser> browser,

bool next) {}

///

// Called when the browser component is requesting focus. |source| indicates

// where the focus request is originating from. Return false to allow the

// focus to be set or true to cancel setting the focus.

///

/*--cef()--*/

virtual bool OnSetFocus(CefRefPtr<CefBrowser> browser,

FocusSource source) { return false; }

///

// Called when a new node in the the browser gets focus. The |node| value may

// be empty if no specific node has gained focus. The node object passed to

// this method represents a snapshot of the DOM at the time this method is

// executed. DOM objects are only valid for the scope of this method. Do not

// keep references to or attempt to access any DOM objects outside the scope

// of this method.

///

/*--cef(optional_param=frame,optional_param=node)--*/

virtual void OnFocusedNodeChanged(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefDOMNode> node) {}