Package ej.widget.debug

Class RenderMonitor

java.lang.Object

ej.widget.debug.RenderMonitor

All Implemented Interfaces:

RenderPolicy.RenderListener

public class RenderMonitor
extends Object
implements RenderPolicy.RenderListener

Monitor for Widget rendering.

It uses a Logger with following format:

 Render requested on Path > To > MyWidget at {0,1 2x3} of {10,20 30x40}
        by my.package.MyClass.myMethod(MyClass.java:0)
        at my.package.MyClass.myCaller(MyClass.java:1)
        at my.package.MyClass.myCaller(MyClass.java:2)
 

Constructor Summary

Constructors

Constructor	Description
RenderMonitor()

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.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RenderMonitor

public RenderMonitor()

Method Detail

onRenderRequested

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

Description copied from interface: RenderPolicy.RenderListener

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.

Specified by:

onRenderRequested in interface RenderPolicy.RenderListener

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

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

Description copied from interface: RenderPolicy.RenderListener

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.

Specified by:

onRenderExecuted in interface RenderPolicy.RenderListener

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.