com.sencha.gxt.core.client.gestures.impl

Class PointerEventsSupportImpl

java.lang.Object

com.sencha.gxt.core.client.gestures.PointerEventsSupport

com.sencha.gxt.core.client.gestures.impl.PointerEventsSupportImpl

public class PointerEventsSupportImpl
extends PointerEventsSupport

Base implementation. Verifies that the DOMIMpl we get is some subclass of DOMImplStandard in order to ride on the same event system

Constructor Summary

Constructors

Constructor and Description
PointerEventsSupportImpl()

Method Summary

Methods

Modifier and Type	Method and Description
JsArray<Touch>	getChangedTouches(NativeEvent event) Converts data in the event to Touch data structure
boolean	isSupported() Identifies whether pointer events are supported in the current running browser.
void	setPointerCapture(XElement element, NativeEvent event) Assigns a pointer (by pointerId) to a specific Element.
void	sinkPointerEvents(XElement element) Sink pointer events to given Element.

Methods inherited from class com.sencha.gxt.core.client.gestures.PointerEventsSupport

isPointerEvent, isPointerTouchEvent

Methods inherited from class java.lang.Object

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

Constructor Detail

PointerEventsSupportImpl

public PointerEventsSupportImpl()

Method Detail

isSupported

public boolean isSupported()

Description copied from class: PointerEventsSupport

Identifies whether pointer events are supported in the current running browser.

Overrides:

isSupported in class PointerEventsSupport

Returns:

true if pointers are supported

setPointerCapture

public void setPointerCapture(XElement element,
                     NativeEvent event)

Description copied from class: PointerEventsSupport

Assigns a pointer (by pointerId) to a specific Element.

Unlike Touch events, the event.target changes with pointer events

Overrides:

setPointerCapture in class PointerEventsSupport

Parameters:

element - the element to capture pointer events for

event - the event to be captured

getChangedTouches

public JsArray<Touch> getChangedTouches(NativeEvent event)

Description copied from class: PointerEventsSupport

Converts data in the event to Touch data structure

Overrides:

getChangedTouches in class PointerEventsSupport

Parameters:

event - the event to extract changed touches from

Returns:

JsArray of Touch objects - empty if pointers are not supported

sinkPointerEvents

public void sinkPointerEvents(XElement element)

Description copied from class: PointerEventsSupport

Sink pointer events to given Element.

Makes the assumption that the DOMImpl has already initialized the EventSystem.

Overrides:

sinkPointerEvents in class PointerEventsSupport

Parameters:

element - the element to sink pointer events for