140 lines
3.9 KiB
Java
140 lines
3.9 KiB
Java
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.support.v7.internal.view;
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import android.support.v4.view.ViewPropertyAnimatorCompat;
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import android.support.v4.view.ViewPropertyAnimatorListener;
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import android.support.v4.view.ViewPropertyAnimatorListenerAdapter;
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import android.view.View;
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import android.view.animation.Interpolator;
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import java.util.ArrayList;
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/**
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* A very naive implementation of a set of
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* {@link android.support.v4.view.ViewPropertyAnimatorCompat}.
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*
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* @hide
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*/
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public class ViewPropertyAnimatorCompatSet {
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private final ArrayList<ViewPropertyAnimatorCompat> mAnimators;
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private long mDuration = -1;
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private Interpolator mInterpolator;
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private ViewPropertyAnimatorListener mListener;
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private boolean mIsStarted;
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public ViewPropertyAnimatorCompatSet() {
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mAnimators = new ArrayList<ViewPropertyAnimatorCompat>();
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}
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public ViewPropertyAnimatorCompatSet play(ViewPropertyAnimatorCompat animator) {
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if (!mIsStarted) {
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mAnimators.add(animator);
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}
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return this;
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}
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public void start() {
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if (mIsStarted) return;
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for (ViewPropertyAnimatorCompat animator : mAnimators) {
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if (mDuration >= 0) {
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animator.setDuration(mDuration);
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}
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if (mInterpolator != null) {
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animator.setInterpolator(mInterpolator);
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}
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if (mListener != null) {
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animator.setListener(mProxyListener);
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}
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animator.start();
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}
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mIsStarted = true;
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}
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private void onAnimationsEnded() {
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mIsStarted = false;
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}
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public void cancel() {
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if (!mIsStarted) {
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return;
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}
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for (ViewPropertyAnimatorCompat animator : mAnimators) {
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animator.cancel();
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}
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mIsStarted = false;
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}
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public ViewPropertyAnimatorCompatSet setDuration(long duration) {
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if (!mIsStarted) {
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mDuration = duration;
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}
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return this;
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}
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public ViewPropertyAnimatorCompatSet setInterpolator(Interpolator interpolator) {
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if (!mIsStarted) {
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mInterpolator = interpolator;
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}
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return this;
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}
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public ViewPropertyAnimatorCompatSet setListener(ViewPropertyAnimatorListener listener) {
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if (!mIsStarted) {
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mListener = listener;
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}
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return this;
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}
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private final ViewPropertyAnimatorListenerAdapter mProxyListener
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= new ViewPropertyAnimatorListenerAdapter() {
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private boolean mProxyStarted = false;
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private int mProxyEndCount = 0;
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@Override
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public void onAnimationStart(View view) {
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if (mProxyStarted) {
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return;
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}
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mProxyStarted = true;
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if (mListener != null) {
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mListener.onAnimationStart(null);
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}
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}
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void onEnd() {
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mProxyEndCount = 0;
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mProxyStarted = false;
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onAnimationsEnded();
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}
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@Override
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public void onAnimationEnd(View view) {
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if (++mProxyEndCount == mAnimators.size()) {
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if (mListener != null) {
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mListener.onAnimationEnd(null);
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}
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onEnd();
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}
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}
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};
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}
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