| /* |
| * Copyright 2011 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.animation.client.testing; |
| |
| import com.google.gwt.animation.client.AnimationScheduler; |
| import com.google.gwt.dom.client.Element; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A stub implementation of {@link AnimationScheduler} that does not execute the |
| * callbacks. Use {@link StubAnimationScheduler#getAnimationCallbacks()} to |
| * retrieve and execute callbacks manually. |
| */ |
| public class StubAnimationScheduler extends AnimationScheduler { |
| |
| /** |
| * A handle to the requested animation frame created by |
| * {@link #requestAnimationFrame(AnimationCallback, Element)}. |
| */ |
| public class StubAnimationHandle extends AnimationHandle { |
| |
| private final AnimationCallback callback; |
| |
| public StubAnimationHandle(AnimationCallback callback) { |
| this.callback = callback; |
| } |
| |
| @Override |
| public void cancel() { |
| callbacks.remove(callback); |
| } |
| } |
| |
| private final List<AnimationCallback> callbacks = new ArrayList<AnimationCallback>(); |
| |
| /** |
| * Get the list of all animation callbacks that have been requested and have |
| * not been canceled. |
| * |
| * @return the list of callbacks. |
| */ |
| public List<AnimationCallback> getAnimationCallbacks() { |
| return callbacks; |
| } |
| |
| @Override |
| public StubAnimationHandle requestAnimationFrame(AnimationCallback callback, Element element) { |
| callbacks.add(callback); |
| return new StubAnimationHandle(callback); |
| } |
| } |