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/*
* 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 callbacks = new ArrayList();
/**
* Get the list of all animation callbacks that have been requested and have
* not been canceled.
*
* @return the list of callbacks.
*/
public List getAnimationCallbacks() {
return callbacks;
}
@Override
public StubAnimationHandle requestAnimationFrame(AnimationCallback callback, Element element) {
callbacks.add(callback);
return new StubAnimationHandle(callback);
}
}