/*
* 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.systemui.statusbar.stack;
import android.view.View;
/**
* A state of a view. This can be used to apply a set of view properties to a view with
* {@link com.android.systemui.statusbar.stack.StackScrollState} or start animations with
* {@link com.android.systemui.statusbar.stack.StackStateAnimator}.
*/
public class ViewState {
public float alpha;
public float yTranslation;
public float zTranslation;
public boolean gone;
public float scale;
public void copyFrom(ViewState viewState) {
alpha = viewState.alpha;
yTranslation = viewState.yTranslation;
zTranslation = viewState.zTranslation;
gone = viewState.gone;
scale = viewState.scale;
}
public void initFrom(View view) {
alpha = view.getVisibility() == View.INVISIBLE ? 0.0f : view.getAlpha();
yTranslation = view.getTranslationY();
zTranslation = view.getTranslationZ();
gone = view.getVisibility() == View.GONE;
scale = view.getScaleX();
}
}