com.google.gwt.event.logical.shared.ResizeEvent Maven / Gradle / Ivy
/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.event.logical.shared;
import com.google.gwt.event.shared.GwtEvent;
import com.google.gwt.event.shared.HasHandlers;
/**
* Fired when the event source is resized.
*/
public class ResizeEvent extends GwtEvent {
/**
* The event type.
*/
private static Type TYPE;
/**
* Fires a resize event on all registered handlers in the handler source.
*
* @param The handler source
* @param source the source of the handlers
* @param width the new width
* @param height the new height
*/
public static void fire(S source,
int width, int height) {
if (TYPE != null) {
ResizeEvent event = new ResizeEvent(width, height);
source.fireEvent(event);
}
}
/**
* Ensures the existence of the handler hook and then returns it.
*
* @return returns a handler hook
*/
public static Type getType() {
if (TYPE == null) {
TYPE = new Type();
}
return TYPE;
}
private final int width;
private final int height;
/**
* Construct a new {@link ResizeEvent}.
*
* @param width the new width
* @param height the new height
*/
protected ResizeEvent(int width, int height) {
this.width = width;
this.height = height;
}
@Override
public final Type getAssociatedType() {
return TYPE;
}
/**
* Returns the new height.
*
* @return the new height
*/
public int getHeight() {
return height;
}
/**
* Returns the new width.
*
* @return the new width
*/
public int getWidth() {
return width;
}
@Override
public String toDebugString() {
assertLive();
return super.toDebugString() + " width = " + width + " height =" + height;
}
@Override
protected void dispatch(ResizeHandler handler) {
handler.onResize(this);
}
}