public:

typedef cef_navigation_type_t NavigationType;

///

// Called after the render process main thread has been created. |extra_info|

// is a read-only value originating from

// CefBrowserProcessHandler::OnRenderProcessThreadCreated(). Do not keep a

// reference to |extra_info| outside of this method.

///

/*--cef()--*/

virtual void OnRenderThreadCreated(CefRefPtr<CefListValue> extra_info) {}

///

// Called after WebKit has been initialized.

///

/*--cef()--*/

virtual void OnWebKitInitialized() {}

///

// Called after a browser has been created. When browsing cross-origin a new

// browser will be created before the old browser with the same identifier is

// destroyed.

///

/*--cef()--*/

virtual void OnBrowserCreated(CefRefPtr<CefBrowser> browser) {}

///

// Called before a browser is destroyed.

///

/*--cef()--*/

virtual void OnBrowserDestroyed(CefRefPtr<CefBrowser> browser) {}

///

// Return the handler for browser load status events.

///

/*--cef()--*/

virtual CefRefPtr<CefLoadHandler> GetLoadHandler() {

return NULL;

}

///

// Called before browser navigation. Return true to cancel the navigation or

// false to allow the navigation to proceed. The |request| object cannot be

// modified in this callback.

///

/*--cef()--*/

virtual bool OnBeforeNavigation(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefRequest> request,

NavigationType navigation_type,

bool is_redirect) { return false; }

///

// Called immediately after the V8 context for a frame has been created. To

// retrieve the JavaScript 'window' object use the CefV8Context::GetGlobal()

// method. V8 handles can only be accessed from the thread on which they are

// created. A task runner for posting tasks on the associated thread can be

// retrieved via the CefV8Context::GetTaskRunner() method.

///

/*--cef()--*/

virtual void OnContextCreated(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefV8Context> context) {}

///

// Called immediately before the V8 context for a frame is released. No

// references to the context should be kept after this method is called.

///

/*--cef()--*/

virtual void OnContextReleased(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefV8Context> context) {}

///

// Called for global uncaught exceptions in a frame. Execution of this

// callback is disabled by default. To enable set

// CefSettings.uncaught_exception_stack_size > 0.

///

/*--cef()--*/

virtual void OnUncaughtException(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefV8Context> context,

CefRefPtr<CefV8Exception> exception,

CefRefPtr<CefV8StackTrace> stackTrace) {}

///

// 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) {}

///

// Called when a new message is received from a different process. Return true

// if the message was handled or false otherwise. Do not keep a reference to

// or attempt to access the message outside of this callback.

///

/*--cef()--*/

virtual bool OnProcessMessageReceived(CefRefPtr<CefBrowser> browser,

CefProcessId source_process,

CefRefPtr<CefProcessMessage> message) {

return false;

}