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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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.android.systemui.recents.tv.animations;
import android.animation.Animator;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.content.res.Resources;
import android.view.View;
import com.android.systemui.Interpolators;
import com.android.systemui.R;
import com.android.systemui.recents.tv.views.TaskCardView;
/**
* Recents row's focus animation with PIP controls.
*/
public class RecentsRowFocusAnimationHolder {
private final View mView;
private final View mTitleView;
private AnimatorSet mFocusGainAnimatorSet;
private AnimatorSet mFocusLossAnimatorSet;
public RecentsRowFocusAnimationHolder(View view, View titleView) {
mView = view;
mTitleView = titleView;
Resources res = view.getResources();
int duration = res.getInteger(R.integer.recents_tv_pip_focus_anim_duration);
float dimAlpha = res.getFloat(R.dimen.recents_recents_row_dim_alpha);
mFocusGainAnimatorSet = new AnimatorSet();
mFocusGainAnimatorSet.playTogether(
ObjectAnimator.ofFloat(mView, "alpha", 1f),
ObjectAnimator.ofFloat(mTitleView, "alpha", 1f));
mFocusGainAnimatorSet.setDuration(duration);
mFocusGainAnimatorSet.setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
mFocusLossAnimatorSet = new AnimatorSet();
mFocusLossAnimatorSet.playTogether(
// Animation doesn't start from the current value (1f) sometimes,
// so specify the desired initial value here.
ObjectAnimator.ofFloat(mView, "alpha", 1f, dimAlpha),
ObjectAnimator.ofFloat(mTitleView, "alpha", 0f));
mFocusLossAnimatorSet.setDuration(duration);
mFocusLossAnimatorSet.setInterpolator(Interpolators.FAST_OUT_SLOW_IN);
}
/**
* Starts the Recents row's focus gain animation.
*/
public void startFocusGainAnimation() {
cancelAnimator(mFocusLossAnimatorSet);
mFocusGainAnimatorSet.start();
}
/**
* Starts the Recents row's focus loss animation.
*/
public void startFocusLossAnimation() {
cancelAnimator(mFocusGainAnimatorSet);
mFocusLossAnimatorSet.start();
}
/**
* Resets the views immediately and ends the animations.
*/
public void reset() {
cancelAnimator(mFocusLossAnimatorSet);
cancelAnimator(mFocusGainAnimatorSet);
mView.setAlpha(1f);
mTitleView.setAlpha(1f);
}
private static void cancelAnimator(Animator animator) {
if (animator.isStarted()) {
animator.cancel();
}
}
}