| /* |
| * 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(); |
| } |
| } |