/* * 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(); } }