com.google.gwt.event.dom.client.TouchMoveEvent Java Examples

@Override
public void onTouchMove(TouchMoveEvent event) {
    if (event.getChangedTouches().length() == 1) {
        boolean preventDefaultAndReturn = false;
        // did we intend to scroll the container?
        // apply 'manual' vertical scrolling
        if (containerScrollStartPosY != -1) {
            container.setScrollTop(containerScrollStartPosY - event.getChangedTouches().get(0).getPageY());
            preventDefaultAndReturn = true;
        }
        if (containerScrollStartPosX != -1) {
            container.setScrollLeft(containerScrollStartPosX - event.getChangedTouches().get(0).getPageX());
            preventDefaultAndReturn = true;
        }
        if (preventDefaultAndReturn) {
            event.preventDefault();
            return;
        }

        if (GanttWidget.this.onTouchOrMouseMove(event.getNativeEvent())) {
            event.preventDefault();
        }
    }
}
 

protected void addMoveHandler() {
    if (msTouchSupported) {
        moveRegisteration = addDomHandler(pointerMoveHandler,
                PointerMoveEvent.getType());
        touchCancelRegisteration = addDomHandler(pointerCancelHandler,
                PointerCancelEvent.getType());
    } else if (touchSupported) {
        moveRegisteration = addDomHandler(touchMoveHandler,
                TouchMoveEvent.getType());
        touchCancelRegisteration = addDomHandler(touchCancelHandler,
                TouchCancelEvent.getType());
    } else {
        moveRegisteration = addDomHandler(mouseMoveHandler,
                MouseMoveEvent.getType());
    }
}
 

@Override
public void onTouchMove(TouchMoveEvent event) {
  Widget src = (Widget) event.getSource();
  Touch touch = event.getTargetTouches().get(0);
  com.google.gwt.dom.client.Element target = com.google.gwt.dom.client.Element.as(touch.getTarget());
  int x = touch.getRelativeX(target);
  int y = touch.getRelativeY(target);
  onMouseMove(src, x, y);
}
 

public PanListener(Widget widget) {
	this.widget = widget;
	widget.addDomHandler(this, MouseDownEvent.getType());
	widget.addDomHandler(this, MouseUpEvent.getType());
	widget.addDomHandler(this, MouseMoveEvent.getType());
	widget.addDomHandler(this, TouchStartEvent.getType());
	widget.addDomHandler(this, TouchEndEvent.getType());
	widget.addDomHandler(this, TouchMoveEvent.getType());
}
 

@Override
public void onTouchMove(TouchMoveEvent event) {
	if (touchId == null)
		return;
	JsArray<Touch> touches = event.getTouches();
	for (int i = 0; i < touches.length(); i++) {
		Touch touch = touches.get(i);
		if (touch.getIdentifier() != touchId)
			continue;
		pan(touch.getClientX() - x, touch.getClientY() - y);
		x = touch.getClientX();
		y = touch.getClientY();
		event.preventDefault();
	}
}
 

@Override
public void onTouchMove(TouchMoveEvent event) {
    GWT.log("SvgArrowWidget.onTouchMove(TouchMoveEvent)");
    if (event.getChangedTouches().length() == 1) {
        handleMove(event.getNativeEvent());
        event.preventDefault();
    }
}
 

public HandlerRegistration addTouchMoveHandler(TouchMoveHandler handler) {
  return addDomHandler(handler, TouchMoveEvent.getType());
}
 

@Override
public final HandlerRegistration addTouchMoveHandler(TouchMoveHandler handler) {
  return handlers.addHandler(TouchMoveEvent.getType(), handler);
}
 

@Override
public com.google.gwt.event.shared.HandlerRegistration addTouchMoveHandler(TouchMoveHandler handler) {
	return this.addDomHandler(handler, TouchMoveEvent.getType());
}
 

@Override
public HandlerRegistration addTouchMoveHandler(TouchMoveHandler handler) {
	return this.addDomHandler(handler, TouchMoveEvent.getType());
}
 

@Override
public HandlerRegistration addTouchMoveHandler(TouchMoveHandler handler) {
	return this.addDomHandler(handler, TouchMoveEvent.getType());
}
 

/**
 * Reset listeners.
 */
public void resetListeners() {
    Event.sinkEvents(container, Event.ONSCROLL | Event.ONCONTEXTMENU);

    if (contextMenuHandlerRegistration == null) {
        contextMenuHandlerRegistration = addDomHandler(contextMenuHandler, ContextMenuEvent.getType());
    }

    if (scrollHandlerRegistration == null) {
        scrollHandlerRegistration = addHandler(scrollHandler, ScrollEvent.getType());
    }
    if (isMsTouchSupported()) {
        // IE10 pointer events (ms-prefixed events)
        if (pointerDownHandlerRegistration == null) {
            pointerDownHandlerRegistration = addDomHandler(msPointerDownHandler, PointerDownEvent.getType());
        }
        if (pointerUpHandlerRegistration == null) {
            pointerUpHandlerRegistration = addDomHandler(msPointerUpHandler, PointerUpEvent.getType());
        }
        if (pointerMoveHandlerRegistration == null) {
            pointerMoveHandlerRegistration = addDomHandler(msPointerMoveHandler, PointerMoveEvent.getType());
        }
        if (pointerCancelHandlerRegistration == null) {
            pointerCancelHandlerRegistration = addHandler(msPointerCancelHandler, PointerCancelEvent.getType());
        }
    } else if (touchSupported) {
        // touch events replaces mouse events
        if (touchStartHandlerRegistration == null) {
            touchStartHandlerRegistration = addDomHandler(touchStartHandler, TouchStartEvent.getType());
        }
        if (touchEndHandlerRegistration == null) {
            touchEndHandlerRegistration = addDomHandler(touchEndHandler, TouchEndEvent.getType());
        }
        if (touchMoveHandlerRegistration == null) {
            touchMoveHandlerRegistration = addDomHandler(touchMoveHandler, TouchMoveEvent.getType());
        }
        if (touchCancelHandlerRegistration == null) {
            touchCancelHandlerRegistration = addHandler(touchCancelHandler, TouchCancelEvent.getType());
        }

    } else {
        if (mouseDblClickHandlerRegistration == null) {
            mouseDblClickHandlerRegistration = addDomHandler(doubleClickHandler, DoubleClickEvent.getType());
        }
        if (mouseDownHandlerRegistration == null) {
            mouseDownHandlerRegistration = addDomHandler(mouseDownHandler, MouseDownEvent.getType());
        }
        if (mouseUpHandlerRegistration == null) {
            mouseUpHandlerRegistration = addDomHandler(mouseUpHandler, MouseUpEvent.getType());
        }
        if (isMovableSteps() || isResizableSteps()) {
            if (mouseMoveHandlerRegistration == null) {
                mouseMoveHandlerRegistration = addDomHandler(mouseMoveHandler, MouseMoveEvent.getType());
            }
        } else if (mouseMoveHandlerRegistration != null) {
            mouseMoveHandlerRegistration.removeHandler();
            mouseMoveHandlerRegistration = null;
        }
    }
}