/*
* Copyright 2012 - 2013 Benjamin Weiss
* Copyright 2012 Neofonie Mobile GmbH
*
* 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.yixia.zi.widget.crouton;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
/**
* Builds the default animations for showing and hiding a {@link Crouton}.
*/
final class DefaultAnimationsBuilder {
private static Animation slideInDownAnimation, slideOutUpAnimation;
protected static final class SlideInDownAnimationParameters {
private SlideInDownAnimationParameters() {
/* no-op */
}
public static final float FROM_X_DELTA = 0;
public static final float TO_X_DELTA = 0;
public static final float FROM_Y_DELTA = -50;
public static final float TO_Y_DELTA = 0;
public static final long DURATION = 400;
}
protected static final class SlideOutUpAnimationParameters {
private SlideOutUpAnimationParameters() {
/* no-op */
}
public static final float FROM_X_DELTA = 0;
public static final float TO_X_DELTA = 0;
public static final float FROM_Y_DELTA = 0;
public static final float TO_Y_DELTA = -50;
public static final long DURATION = 400;
}
private DefaultAnimationsBuilder() {
/* no-op */
}
/**
* @return The default Animation for a showing {@link Crouton}.
*/
public static Animation buildDefaultSlideInDownAnimation() {
if (null == slideInDownAnimation) {
slideInDownAnimation = new TranslateAnimation(SlideInDownAnimationParameters.FROM_X_DELTA,
SlideInDownAnimationParameters.TO_X_DELTA,
SlideInDownAnimationParameters.FROM_Y_DELTA, SlideInDownAnimationParameters.TO_Y_DELTA);
slideInDownAnimation.setDuration(SlideInDownAnimationParameters.DURATION);
}
return slideInDownAnimation;
}
/**
* @return The default Animation for a hiding {@link Crouton}.
*/
public static Animation buildDefaultSlideOutUpAnimation() {
if (null == slideOutUpAnimation) {
slideOutUpAnimation = new TranslateAnimation(SlideOutUpAnimationParameters.FROM_X_DELTA,
SlideOutUpAnimationParameters.TO_X_DELTA,
SlideOutUpAnimationParameters.FROM_Y_DELTA, SlideOutUpAnimationParameters.TO_Y_DELTA);
slideOutUpAnimation.setDuration(SlideOutUpAnimationParameters.DURATION);
}
return slideOutUpAnimation;
}
}