public:

typedef cef_paint_element_type_t PaintElementType;

typedef std::vector<CefRect> RectList;

///

// Called to retrieve the view rectangle which is relative to screen

// coordinates. Return true if the rectangle was provided.

///

/*--cef()--*/

virtual bool GetViewRect(CefRefPtr<CefBrowser> browser,

CefRect& rect) { return false; }

///

// Called to retrieve the simulated screen rectangle. Return true if the

// rectangle was provided.

///

/*--cef()--*/

virtual bool GetScreenRect(CefRefPtr<CefBrowser> browser,

CefRect& rect) { return false; }

///

// Called to retrieve the translation from view coordinates to actual screen

// coordinates. Return true if the screen coordinates were provided.

///

/*--cef()--*/

virtual bool GetScreenPoint(CefRefPtr<CefBrowser> browser,

int viewX,

int viewY,

int& screenX,

int& screenY) { return false; }

///

// Called when the browser wants to show or hide the popup widget. The popup

// should be shown if |show| is true and hidden if |show| is false.

///

/*--cef()--*/

virtual void OnPopupShow(CefRefPtr<CefBrowser> browser,

bool show) {}

///

// Called when the browser wants to move or resize the popup widget. |rect|

// contains the new location and size.

///

/*--cef()--*/

virtual void OnPopupSize(CefRefPtr<CefBrowser> browser,

const CefRect& rect) {}

///

// Called when an element should be painted. |type| indicates whether the

// element is the view or the popup widget. |buffer| contains the pixel data

// for the whole image. |dirtyRects| contains the set of rectangles that need

// to be repainted. On Windows |buffer| will be width*height*4 bytes in size

// and represents a BGRA image with an upper-left origin. The

// CefBrowserSettings.animation_frame_rate value controls the rate at which

// this method is called.

///

/*--cef()--*/

virtual void OnPaint(CefRefPtr<CefBrowser> browser,

PaintElementType type,

const RectList& dirtyRects,

const void* buffer) {}

///

// Called when the browser window's cursor has changed.

///

/*--cef()--*/

virtual void OnCursorChange(CefRefPtr<CefBrowser> browser,

CefCursorHandle cursor) {}