1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.systemui.statusbar.notification; 18 19 import android.text.Layout; 20 import android.text.TextUtils; 21 import android.util.Pools; 22 import android.view.View; 23 import android.widget.TextView; 24 25 /** 26 * A transform state of the action list 27 */ 28 public class ActionListTransformState extends TransformState { 29 30 private static Pools.SimplePool<ActionListTransformState> sInstancePool 31 = new Pools.SimplePool<>(40); 32 33 @Override sameAs(TransformState otherState)34 protected boolean sameAs(TransformState otherState) { 35 return otherState instanceof ActionListTransformState; 36 } 37 obtain()38 public static ActionListTransformState obtain() { 39 ActionListTransformState instance = sInstancePool.acquire(); 40 if (instance != null) { 41 return instance; 42 } 43 return new ActionListTransformState(); 44 } 45 46 @Override transformViewFullyFrom(TransformState otherState, float transformationAmount)47 public void transformViewFullyFrom(TransformState otherState, float transformationAmount) { 48 // Don't do Y transform - let the wrapper handle this based on the content height 49 } 50 51 @Override transformViewFullyTo(TransformState otherState, float transformationAmount)52 public void transformViewFullyTo(TransformState otherState, float transformationAmount) { 53 // Don't do Y transform - let the wrapper handle this based on the content height 54 } 55 56 @Override resetTransformedView()57 protected void resetTransformedView() { 58 // We need to keep the Y transformation, because this is used to keep the action list 59 // aligned at the bottom, unrelated to transforms. 60 float y = getTransformedView().getTranslationY(); 61 super.resetTransformedView(); 62 getTransformedView().setTranslationY(y); 63 } 64 65 @Override recycle()66 public void recycle() { 67 super.recycle(); 68 sInstancePool.release(this); 69 } 70 } 71