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/*
* Copyright (C) 2015 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.packageinstaller.permission.ui.wear.settings;
import android.animation.ObjectAnimator;
import android.support.wearable.view.WearableListView;
import android.view.View;
public class ExtendedViewHolder extends WearableListView.ViewHolder {
public static final long DEFAULT_ANIMATION_DURATION = 150;
private ObjectAnimator mScalingUpAnimator;
private ObjectAnimator mScalingDownAnimator;
private float mMinValue;
private float mMaxValue;
public ExtendedViewHolder(View itemView) {
super(itemView);
if (itemView instanceof ExtendedOnCenterProximityListener) {
ExtendedOnCenterProximityListener item =
(ExtendedOnCenterProximityListener) itemView;
mMinValue = item.getProximityMinValue();
item.setScalingAnimatorValue(mMinValue);
mMaxValue = item.getProximityMaxValue();
mScalingUpAnimator = ObjectAnimator.ofFloat(item, "scalingAnimatorValue", mMinValue,
mMaxValue);
mScalingUpAnimator.setDuration(DEFAULT_ANIMATION_DURATION);
mScalingDownAnimator = ObjectAnimator.ofFloat(item, "scalingAnimatorValue",
mMaxValue, mMinValue);
mScalingDownAnimator.setDuration(DEFAULT_ANIMATION_DURATION);
}
}
public void onCenterProximity(boolean isCentralItem, boolean animate) {
if (!(itemView instanceof ExtendedOnCenterProximityListener)) {
return;
}
ExtendedOnCenterProximityListener item = (ExtendedOnCenterProximityListener) itemView;
if (isCentralItem) {
if (animate) {
mScalingDownAnimator.cancel();
if (!mScalingUpAnimator.isRunning()) {
mScalingUpAnimator.setFloatValues(item.getCurrentProximityValue(),
mMaxValue);
mScalingUpAnimator.start();
}
} else {
mScalingUpAnimator.cancel();
item.setScalingAnimatorValue(item.getProximityMaxValue());
}
} else {
mScalingUpAnimator.cancel();
if (animate) {
if (!mScalingDownAnimator.isRunning()) {
mScalingDownAnimator.setFloatValues(item.getCurrentProximityValue(),
mMinValue);
mScalingDownAnimator.start();
}
} else {
mScalingDownAnimator.cancel();
item.setScalingAnimatorValue(item.getProximityMinValue());
}
}
super.onCenterProximity(isCentralItem, animate);
}
}
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