Package ej.mwt.render

Interface RenderPolicy.RenderListener

Enclosing class:

RenderPolicy

public static interface RenderPolicy.RenderListener

Listener for render events (when it is requested and when it is actually executed).

Method Summary

Modifier and Type	Method	Description
void	onRenderExecuted(Widget widget, int x, int y, int width, int height)	Handles a render execution notification.
void	onRenderRequested(Widget widget, int x, int y, int width, int height)	Handles a render request notification.

Method Detail

onRenderRequested

void onRenderRequested(Widget widget,
                       int x,
                       int y,
                       int width,
                       int height)

Handles a render request notification.

Called by the RenderPolicy when a widget render is requested, in application thread.
It is not called for each successive rendering relative to the RenderPolicy.
It is not called for each successive rendering relative to the widget hierarchy.

Parameters:

widget - the widget requested to be rendered.

x - the x coordinate of the area requested to be rendered.

y - the y coordinate of the area requested to be rendered.

width - the width of the area requested to be rendered.

height - the height of the area requested to be rendered.

onRenderExecuted

void onRenderExecuted(Widget widget,
                      int x,
                      int y,
                      int width,
                      int height)

Handles a render execution notification.

Called by the RenderPolicy when a widget is rendered, in MicroUI thread.
It is called for each successive rendering relative to the RenderPolicy.
It is not called for each successive rendering relative to the widget hierarchy.

Parameters:

widget - the rendered widget.

x - the x coordinate of the rendered area.

y - the y coordinate of the rendered area.

width - the width of the rendered area.

height - the height of the rendered area.