design/ics/android/support/design/internal/BottomNavigationAnimationHelperIcs.java

/*
 * 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 android.support.design.internal;

import android.support.transition.AutoTransition;
import android.support.transition.TransitionManager;
import android.support.transition.TransitionSet;
import android.support.v4.view.animation.FastOutSlowInInterpolator;
import android.view.ViewGroup;

class BottomNavigationAnimationHelperIcs extends BottomNavigationAnimationHelperBase {
    private static final long ACTIVE_ANIMATION_DURATION_MS = 115L;

    private final TransitionSet mSet;

    BottomNavigationAnimationHelperIcs() {
        mSet = new AutoTransition();
        mSet.setOrdering(TransitionSet.ORDERING_TOGETHER);
        mSet.setDuration(ACTIVE_ANIMATION_DURATION_MS);
        mSet.setInterpolator(new FastOutSlowInInterpolator());
        TextScale textScale = new TextScale();
        mSet.addTransition(textScale);
    }

    void beginDelayedTransition(ViewGroup view) {
        TransitionManager.beginDelayedTransition(view, mSet);
    }
}