| /* |
| * 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<ResizeHandler> { |
| |
| /** |
| * The event type. |
| */ |
| private static Type<ResizeHandler> TYPE; |
| |
| /** |
| * Fires a resize event on all registered handlers in the handler source. |
| * |
| * @param <S> The handler source |
| * @param source the source of the handlers |
| * @param width the new width |
| * @param height the new height |
| */ |
| public static <S extends HasResizeHandlers & HasHandlers> 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<ResizeHandler> getType() { |
| if (TYPE == null) { |
| TYPE = new Type<ResizeHandler>(); |
| } |
| 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<ResizeHandler> 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); |
| } |
| } |