| /* |
| * 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 com.android.systemui.statusbar.notification; |
| |
| import android.util.Pools; |
| |
| /** |
| * A transform state of the action list |
| */ |
| public class ActionListTransformState extends TransformState { |
| |
| private static Pools.SimplePool<ActionListTransformState> sInstancePool |
| = new Pools.SimplePool<>(40); |
| |
| @Override |
| protected boolean sameAs(TransformState otherState) { |
| return otherState instanceof ActionListTransformState; |
| } |
| |
| public static ActionListTransformState obtain() { |
| ActionListTransformState instance = sInstancePool.acquire(); |
| if (instance != null) { |
| return instance; |
| } |
| return new ActionListTransformState(); |
| } |
| |
| @Override |
| public void transformViewFullyFrom(TransformState otherState, float transformationAmount) { |
| // Don't do Y transform - let the wrapper handle this based on the content height |
| } |
| |
| @Override |
| public void transformViewFullyTo(TransformState otherState, float transformationAmount) { |
| // Don't do Y transform - let the wrapper handle this based on the content height |
| } |
| |
| @Override |
| protected void resetTransformedView() { |
| // We need to keep the Y transformation, because this is used to keep the action list |
| // aligned at the bottom, unrelated to transforms. |
| float y = getTransformedView().getTranslationY(); |
| super.resetTransformedView(); |
| getTransformedView().setTranslationY(y); |
| } |
| |
| @Override |
| public void recycle() { |
| super.recycle(); |
| sInstancePool.release(this); |
| } |
| } |