/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * 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.badlogic.gdx.scenes.scene2d.actions;

import com.badlogic.gdx.scenes.scene2d.Action;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.EventListener;

/** Adds a listener to an actor.
 * @author Nathan Sweet */
public class AddListenerAction extends Action {
	private Actor targetActor;
	private EventListener listener;
	private boolean capture;

	public boolean act (float delta) {
		Actor actor = (targetActor != null ? targetActor : this.actor);
		if (capture)
			targetActor.addCaptureListener(listener);
		else
			targetActor.addListener(listener);
		return true;
	}

	public Actor getTargetActor () {
		return targetActor;
	}

	/** Sets the actor to add a listneer to. If null (the default), the {@link #getActor() actor} will be used. */
	public void setTargetActor (Actor actor) {
		this.targetActor = actor;
	}

	public EventListener getListener () {
		return listener;
	}

	public void setListener (EventListener listener) {
		this.listener = listener;
	}

	public boolean getCapture () {
		return capture;
	}

	public void setCapture (boolean capture) {
		this.capture = capture;
	}

	public void reset () {
		super.reset();
		targetActor = null;
		listener = null;
	}
}

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * 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.badlogic.gdx.scenes.scene2d.actions;

import com.badlogic.gdx.scenes.scene2d.Action;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.EventListener;

/** Adds a listener to an actor.
 * @author Nathan Sweet */
public class AddListenerAction extends Action {
	private Actor targetActor;
	private EventListener listener;
	private boolean capture;

	public boolean act (float delta) {
		Actor actor = (targetActor != null ? targetActor : this.actor);
		if (capture)
			actor.addCaptureListener(listener);
		else
			actor.addListener(listener);
		return true;
	}

	public Actor getTargetActor () {
		return targetActor;
	}

	/** Sets the actor to add a listneer to. If null (the default), the {@link #getActor() actor} will be used. */
	public void setTargetActor (Actor actor) {
		this.targetActor = actor;
	}

	public EventListener getListener () {
		return listener;
	}

	public void setListener (EventListener listener) {
		this.listener = listener;
	}

	public boolean getCapture () {
		return capture;
	}

	public void setCapture (boolean capture) {
		this.capture = capture;
	}

	public void reset () {
		super.reset();
		targetActor = null;
		listener = null;
	}
}

Fix possible NPE in AddListenerAction