AnimatorSet.java revision f5945a0c8bb868f978d9d0d22043a8b44464a86e
117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase/* 217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Copyright (C) 2010 The Android Open Source Project 317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Licensed under the Apache License, Version 2.0 (the "License"); 517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * you may not use this file except in compliance with the License. 617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * You may obtain a copy of the License at 717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * http://www.apache.org/licenses/LICENSE-2.0 917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 1017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Unless required by applicable law or agreed to in writing, software 1117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * distributed under the License is distributed on an "AS IS" BASIS, 1217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * See the License for the specific language governing permissions and 1417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * limitations under the License. 1517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 1617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 1717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haasepackage android.animation; 1817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 1917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haaseimport java.util.ArrayList; 2037a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haaseimport java.util.Collection; 2117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haaseimport java.util.HashMap; 2237a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haaseimport java.util.List; 2317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 2417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase/** 25a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * This class plays a set of {@link Animator} objects in the specified order. Animations 2617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * can be set up to play together, in sequence, or after a specified delay. 2717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 28a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>There are two different approaches to adding animations to a <code>AnimatorSet</code>: 29a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * either the {@link AnimatorSet#playTogether(Animator[]) playTogether()} or 30a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#playSequentially(Animator[]) playSequentially()} methods can be called to add 31a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * a set of animations all at once, or the {@link AnimatorSet#play(Animator)} can be 32a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * used in conjunction with methods in the {@link AnimatorSet.Builder Builder} 3317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * class to add animations 3417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * one by one.</p> 3517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 36a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>It is possible to set up a <code>AnimatorSet</code> with circular dependencies between 3717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * its animations. For example, an animation a1 could be set up to start before animation a2, a2 3817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * before a3, and a3 before a1. The results of this configuration are undefined, but will typically 3917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * result in none of the affected animations being played. Because of this (and because 4017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * circular dependencies do not make logical sense anyway), circular dependencies 4117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * should be avoided, and the dependency flow of animations should only be in one direction. 423aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * 433aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <div class="special reference"> 443aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <h3>Developer Guides</h3> 453aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <p>For more information about animating with {@code AnimatorSet}, read the 463aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * <a href="{@docRoot}guide/topics/graphics/prop-animation.html#choreography">Property 473aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * Animation</a> developer guide.</p> 483aef8e1d1b2f0b87d470bcccf37ba4ebb6560c45Joe Fernandez * </div> 4917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 50a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haasepublic final class AnimatorSet extends Animator { 5117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 5217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 5349afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * Internal variables 5449afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * NOTE: This object implements the clone() method, making a deep copy of any referenced 5549afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * objects. As other non-trivial fields are added to this class, make sure to add logic 5649afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * to clone() to make deep copies of them. 5749afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase */ 5849afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase 5949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase /** 603b69b6f0be85d1f97c1e6824cf986777ba4e5d00Chet Haase * Tracks animations currently being played, so that we know what to 61a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * cancel or end when cancel() or end() is called on this AnimatorSet 6217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 63a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private ArrayList<Animator> mPlayingSet = new ArrayList<Animator>(); 6417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 6517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 66a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Contains all nodes, mapped to their respective Animators. When new 67a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * dependency information is added for an Animator, we want to add it 68a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * to a single node representing that Animator, not create a new Node 6917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * if one already exists. 7017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 71a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private HashMap<Animator, Node> mNodeMap = new HashMap<Animator, Node>(); 7217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 7317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 74a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Set of all nodes created for this AnimatorSet. This list is used upon 75a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * starting the set, and the nodes are placed in sorted order into the 7617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * sortedNodes collection. 7717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 7849afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase private ArrayList<Node> mNodes = new ArrayList<Node>(); 7917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 8017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 8117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * The sorted list of nodes. This is the order in which the animations will 8217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * be played. The details about when exactly they will be played depend 8317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * on the dependency relationships of the nodes. 8417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 8549afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase private ArrayList<Node> mSortedNodes = new ArrayList<Node>(); 8617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 8717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 8817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Flag indicating whether the nodes should be sorted prior to playing. This 8917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * flag allows us to cache the previous sorted nodes so that if the sequence 9017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * is replayed with no changes, it does not have to re-sort the nodes again. 9117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 9217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase private boolean mNeedsSort = true; 9317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 94a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private AnimatorSetListener mSetListener = null; 9517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 9617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 977dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase * Flag indicating that the AnimatorSet has been manually 987dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase * terminated (by calling cancel() or end()). 99010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase * This flag is used to avoid starting other animations when currently-playing 1007dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase * child animations of this AnimatorSet end. It also determines whether cancel/end 1017dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase * notifications are sent out via the normal AnimatorSetListener mechanism. 102010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase */ 1037dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase boolean mTerminated = false; 104010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase 1058b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase /** 1068b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * Indicates whether an AnimatorSet has been start()'d, whether or 1078b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * not there is a nonzero startDelay. 1088b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase */ 1098b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase private boolean mStarted = false; 1108b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 11121cd1389d2ef218b20994b617c57af120841a57fChet Haase // The amount of time in ms to delay starting the animation after start() is called 11221cd1389d2ef218b20994b617c57af120841a57fChet Haase private long mStartDelay = 0; 11321cd1389d2ef218b20994b617c57af120841a57fChet Haase 114e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase // Animator used for a nonzero startDelay 115e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase private ValueAnimator mDelayAnim = null; 116e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase 11721cd1389d2ef218b20994b617c57af120841a57fChet Haase 11821cd1389d2ef218b20994b617c57af120841a57fChet Haase // How long the child animations should last in ms. The default value is negative, which 119a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // simply means that there is no duration set on the AnimatorSet. When a real duration is 12021cd1389d2ef218b20994b617c57af120841a57fChet Haase // set, it is passed along to the child animations. 12121cd1389d2ef218b20994b617c57af120841a57fChet Haase private long mDuration = -1; 12221cd1389d2ef218b20994b617c57af120841a57fChet Haase 123430742f09063574271e6c4091de13b9b9e762514Chet Haase // Records the interpolator for the set. Null value indicates that no interpolator 124430742f09063574271e6c4091de13b9b9e762514Chet Haase // was set on this AnimatorSet, so it should not be passed down to the children. 125430742f09063574271e6c4091de13b9b9e762514Chet Haase private TimeInterpolator mInterpolator = null; 126430742f09063574271e6c4091de13b9b9e762514Chet Haase 1277bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui private boolean mReversible = true; 128010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase /** 129a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets up this AnimatorSet to play all of the supplied animations at the same time. 130430742f09063574271e6c4091de13b9b9e762514Chet Haase * This is equivalent to calling {@link #play(Animator)} with the first animator in the 131430742f09063574271e6c4091de13b9b9e762514Chet Haase * set and then {@link Builder#with(Animator)} with each of the other animators. Note that 132430742f09063574271e6c4091de13b9b9e762514Chet Haase * an Animator with a {@link Animator#setStartDelay(long) startDelay} will not actually 133430742f09063574271e6c4091de13b9b9e762514Chet Haase * start until that delay elapses, which means that if the first animator in the list 134430742f09063574271e6c4091de13b9b9e762514Chet Haase * supplied to this constructor has a startDelay, none of the other animators will start 135430742f09063574271e6c4091de13b9b9e762514Chet Haase * until that first animator's startDelay has elapsed. 13617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 137a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param items The animations that will be started simultaneously. 13817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 139a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void playTogether(Animator... items) { 140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (items != null) { 14117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNeedsSort = true; 142a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase Builder builder = play(items[0]); 143a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 1; i < items.length; ++i) { 144a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase builder.with(items[i]); 14517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 14617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 14717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 14817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 14917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 15037a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase * Sets up this AnimatorSet to play all of the supplied animations at the same time. 15137a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase * 15237a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase * @param items The animations that will be started simultaneously. 15337a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase */ 15437a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase public void playTogether(Collection<Animator> items) { 15537a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase if (items != null && items.size() > 0) { 15637a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase mNeedsSort = true; 15737a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase Builder builder = null; 15837a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase for (Animator anim : items) { 15937a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase if (builder == null) { 16037a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase builder = play(anim); 16137a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } else { 16237a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase builder.with(anim); 16337a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } 16437a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } 16537a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } 16637a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } 16737a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase 16837a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase /** 169a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets up this AnimatorSet to play each of the supplied animations when the 17017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * previous animation ends. 17117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 17237a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase * @param items The animations that will be started one after another. 17317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 174a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void playSequentially(Animator... items) { 175a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (items != null) { 17617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNeedsSort = true; 177a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (items.length == 1) { 178a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase play(items[0]); 17917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } else { 1807bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui mReversible = false; 181a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (int i = 0; i < items.length - 1; ++i) { 182a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase play(items[i]).before(items[i+1]); 18317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 18417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 18517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 18617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 18717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 18817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 18937a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase * Sets up this AnimatorSet to play each of the supplied animations when the 19037a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase * previous animation ends. 19137a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase * 19237a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase * @param items The animations that will be started one after another. 19337a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase */ 19437a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase public void playSequentially(List<Animator> items) { 19537a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase if (items != null && items.size() > 0) { 19637a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase mNeedsSort = true; 19737a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase if (items.size() == 1) { 19837a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase play(items.get(0)); 19937a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } else { 2007bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui mReversible = false; 20137a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase for (int i = 0; i < items.size() - 1; ++i) { 20237a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase play(items.get(i)).before(items.get(i+1)); 20337a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } 20437a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } 20537a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } 20637a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase } 20737a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase 20837a7bec599e8d877d8a7f12ab2c2c160d1c2cf8aChet Haase /** 209a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Returns the current list of child Animator objects controlled by this 210a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * AnimatorSet. This is a copy of the internal list; modifications to the returned list 211a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will not affect the AnimatorSet, although changes to the underlying Animator objects 212a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * will affect those objects being managed by the AnimatorSet. 213f54a8d7c479485174941c38f151ea7083c658da3Chet Haase * 214a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return ArrayList<Animator> The list of child animations of this AnimatorSet. 215f54a8d7c479485174941c38f151ea7083c658da3Chet Haase */ 216a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public ArrayList<Animator> getChildAnimations() { 217a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<Animator> childList = new ArrayList<Animator>(); 218f54a8d7c479485174941c38f151ea7083c658da3Chet Haase for (Node node : mNodes) { 219f54a8d7c479485174941c38f151ea7083c658da3Chet Haase childList.add(node.animation); 220f54a8d7c479485174941c38f151ea7083c658da3Chet Haase } 221f54a8d7c479485174941c38f151ea7083c658da3Chet Haase return childList; 222f54a8d7c479485174941c38f151ea7083c658da3Chet Haase } 223f54a8d7c479485174941c38f151ea7083c658da3Chet Haase 224f54a8d7c479485174941c38f151ea7083c658da3Chet Haase /** 225811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase * Sets the target object for all current {@link #getChildAnimations() child animations} 226a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of this AnimatorSet that take targets ({@link ObjectAnimator} and 227a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * AnimatorSet). 228811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase * 229811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase * @param target The object being animated 230811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase */ 23121cd1389d2ef218b20994b617c57af120841a57fChet Haase @Override 232811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase public void setTarget(Object target) { 233811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase for (Node node : mNodes) { 234a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase Animator animation = node.animation; 235a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (animation instanceof AnimatorSet) { 236a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ((AnimatorSet)animation).setTarget(target); 237a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase } else if (animation instanceof ObjectAnimator) { 238a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ((ObjectAnimator)animation).setTarget(target); 239811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase } 240811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase } 241811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase } 242811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase 243811ed1065f39469cf2cf6adba22cab397ed88d5eChet Haase /** 244e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase * Sets the TimeInterpolator for all current {@link #getChildAnimations() child animations} 245430742f09063574271e6c4091de13b9b9e762514Chet Haase * of this AnimatorSet. The default value is null, which means that no interpolator 246430742f09063574271e6c4091de13b9b9e762514Chet Haase * is set on this AnimatorSet. Setting the interpolator to any non-null value 247430742f09063574271e6c4091de13b9b9e762514Chet Haase * will cause that interpolator to be set on the child animations 248430742f09063574271e6c4091de13b9b9e762514Chet Haase * when the set is started. 24921cd1389d2ef218b20994b617c57af120841a57fChet Haase * 250a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @param interpolator the interpolator to be used by each child animation of this AnimatorSet 25121cd1389d2ef218b20994b617c57af120841a57fChet Haase */ 25221cd1389d2ef218b20994b617c57af120841a57fChet Haase @Override 253e0ee2e9f3102c3c14c873a75a7b04e49787e0fb9Chet Haase public void setInterpolator(TimeInterpolator interpolator) { 254430742f09063574271e6c4091de13b9b9e762514Chet Haase mInterpolator = interpolator; 255430742f09063574271e6c4091de13b9b9e762514Chet Haase } 256430742f09063574271e6c4091de13b9b9e762514Chet Haase 257430742f09063574271e6c4091de13b9b9e762514Chet Haase @Override 258430742f09063574271e6c4091de13b9b9e762514Chet Haase public TimeInterpolator getInterpolator() { 259430742f09063574271e6c4091de13b9b9e762514Chet Haase return mInterpolator; 26021cd1389d2ef218b20994b617c57af120841a57fChet Haase } 26121cd1389d2ef218b20994b617c57af120841a57fChet Haase 26221cd1389d2ef218b20994b617c57af120841a57fChet Haase /** 26317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * This method creates a <code>Builder</code> object, which is used to 26417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * set up playing constraints. This initial <code>play()</code> method 26517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * tells the <code>Builder</code> the animation that is the dependency for 26617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * the succeeding commands to the <code>Builder</code>. For example, 267a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * calling <code>play(a1).with(a2)</code> sets up the AnimatorSet to play 26817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <code>a1</code> and <code>a2</code> at the same time, 269a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>play(a1).before(a2)</code> sets up the AnimatorSet to play 27017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <code>a1</code> first, followed by <code>a2</code>, and 271a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>play(a1).after(a2)</code> sets up the AnimatorSet to play 27217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <code>a2</code> first, followed by <code>a1</code>. 27317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 27417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p>Note that <code>play()</code> is the only way to tell the 27517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <code>Builder</code> the animation upon which the dependency is created, 27617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * so successive calls to the various functions in <code>Builder</code> 27717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * will all refer to the initial parameter supplied in <code>play()</code> 27817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * as the dependency of the other animations. For example, calling 27917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <code>play(a1).before(a2).before(a3)</code> will play both <code>a2</code> 28017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * and <code>a3</code> when a1 ends; it does not set up a dependency between 28117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <code>a2</code> and <code>a3</code>.</p> 28217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 28317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param anim The animation that is the dependency used in later calls to the 28417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * methods in the returned <code>Builder</code> object. A null parameter will result 28517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * in a null <code>Builder</code> return value. 286a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return Builder The object that constructs the AnimatorSet based on the dependencies 28717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * outlined in the calls to <code>play</code> and the other methods in the 28817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <code>Builder</code object. 28917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 290a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Builder play(Animator anim) { 29117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (anim != null) { 29217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNeedsSort = true; 29317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase return new Builder(anim); 29417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 29517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase return null; 29617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 29717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 29817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 29917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * {@inheritDoc} 30017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 3018b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * <p>Note that canceling a <code>AnimatorSet</code> also cancels all of the animations that it 3028b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * is responsible for.</p> 30317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 30417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase @SuppressWarnings("unchecked") 30517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase @Override 30617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public void cancel() { 3077dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase mTerminated = true; 3088b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase if (isStarted()) { 3097dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<AnimatorListener> tmpListeners = null; 310e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase if (mListeners != null) { 3117dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase tmpListeners = (ArrayList<AnimatorListener>) mListeners.clone(); 312e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase for (AnimatorListener listener : tmpListeners) { 3137dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener.onAnimationCancel(this); 314e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 315e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 3167dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mDelayAnim != null && mDelayAnim.isRunning()) { 3177dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // If we're currently in the startDelay period, just cancel that animator and 3187dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // send out the end event to all listeners 3197dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase mDelayAnim.cancel(); 3207dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } else if (mSortedNodes.size() > 0) { 3217dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (Node node : mSortedNodes) { 3227dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase node.animation.cancel(); 3237dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 3247dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 3257dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (tmpListeners != null) { 3267dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (AnimatorListener listener : tmpListeners) { 3277dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener.onAnimationEnd(this); 3287dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 32917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 3308b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = false; 33117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 33217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 33317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 33417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 33517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * {@inheritDoc} 33617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 337a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Note that ending a <code>AnimatorSet</code> also ends all of the animations that it is 33817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * responsible for.</p> 33917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 34017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase @Override 34117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public void end() { 3427dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase mTerminated = true; 3438b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase if (isStarted()) { 3447dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mSortedNodes.size() != mNodes.size()) { 3457dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // hasn't been started yet - sort the nodes now, then end them 3467dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase sortNodes(); 3477dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (Node node : mSortedNodes) { 3487dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mSetListener == null) { 3497dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase mSetListener = new AnimatorSetListener(this); 3507dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 3517dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase node.animation.addListener(mSetListener); 3521e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase } 3531e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase } 3547dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mDelayAnim != null) { 3557dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase mDelayAnim.cancel(); 3567dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 3577dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mSortedNodes.size() > 0) { 3587dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (Node node : mSortedNodes) { 3597dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase node.animation.end(); 3607dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 3617dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 3627dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mListeners != null) { 3637dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<AnimatorListener> tmpListeners = 3647dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 3657dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (AnimatorListener listener : tmpListeners) { 3667dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener.onAnimationEnd(this); 3677dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 36817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 3698b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = false; 37017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 37117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 37217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 37317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 3748b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * Returns true if any of the child animations of this AnimatorSet have been started and have 3758b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * not yet ended. 376a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * @return Whether this AnimatorSet has been started and has not yet ended. 377673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase */ 378673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase @Override 379673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase public boolean isRunning() { 380673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase for (Node node : mNodes) { 381673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase if (node.animation.isRunning()) { 382673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase return true; 383673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase } 384673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase } 3858b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return false; 3868b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase } 3878b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase 3888b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase @Override 3898b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase public boolean isStarted() { 3908b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase return mStarted; 391673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase } 392673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase 393673e42fafd4088970ec95e1f13c61dc83132c74eChet Haase /** 39421cd1389d2ef218b20994b617c57af120841a57fChet Haase * The amount of time, in milliseconds, to delay starting the animation after 39521cd1389d2ef218b20994b617c57af120841a57fChet Haase * {@link #start()} is called. 39621cd1389d2ef218b20994b617c57af120841a57fChet Haase * 39721cd1389d2ef218b20994b617c57af120841a57fChet Haase * @return the number of milliseconds to delay running the animation 39821cd1389d2ef218b20994b617c57af120841a57fChet Haase */ 39921cd1389d2ef218b20994b617c57af120841a57fChet Haase @Override 40021cd1389d2ef218b20994b617c57af120841a57fChet Haase public long getStartDelay() { 40121cd1389d2ef218b20994b617c57af120841a57fChet Haase return mStartDelay; 40221cd1389d2ef218b20994b617c57af120841a57fChet Haase } 40321cd1389d2ef218b20994b617c57af120841a57fChet Haase 40421cd1389d2ef218b20994b617c57af120841a57fChet Haase /** 40521cd1389d2ef218b20994b617c57af120841a57fChet Haase * The amount of time, in milliseconds, to delay starting the animation after 40621cd1389d2ef218b20994b617c57af120841a57fChet Haase * {@link #start()} is called. 40721cd1389d2ef218b20994b617c57af120841a57fChet Haase 40821cd1389d2ef218b20994b617c57af120841a57fChet Haase * @param startDelay The amount of the delay, in milliseconds 40921cd1389d2ef218b20994b617c57af120841a57fChet Haase */ 41021cd1389d2ef218b20994b617c57af120841a57fChet Haase @Override 41121cd1389d2ef218b20994b617c57af120841a57fChet Haase public void setStartDelay(long startDelay) { 4127bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui if (mStartDelay > 0) { 4137bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui mReversible = false; 4147bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 41521cd1389d2ef218b20994b617c57af120841a57fChet Haase mStartDelay = startDelay; 41621cd1389d2ef218b20994b617c57af120841a57fChet Haase } 41721cd1389d2ef218b20994b617c57af120841a57fChet Haase 41821cd1389d2ef218b20994b617c57af120841a57fChet Haase /** 419a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Gets the length of each of the child animations of this AnimatorSet. This value may 420a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * be less than 0, which indicates that no duration has been set on this AnimatorSet 42121cd1389d2ef218b20994b617c57af120841a57fChet Haase * and each of the child animations will use their own duration. 42221cd1389d2ef218b20994b617c57af120841a57fChet Haase * 42321cd1389d2ef218b20994b617c57af120841a57fChet Haase * @return The length of the animation, in milliseconds, of each of the child 424a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations of this AnimatorSet. 42521cd1389d2ef218b20994b617c57af120841a57fChet Haase */ 42621cd1389d2ef218b20994b617c57af120841a57fChet Haase @Override 42721cd1389d2ef218b20994b617c57af120841a57fChet Haase public long getDuration() { 42821cd1389d2ef218b20994b617c57af120841a57fChet Haase return mDuration; 42921cd1389d2ef218b20994b617c57af120841a57fChet Haase } 43021cd1389d2ef218b20994b617c57af120841a57fChet Haase 43121cd1389d2ef218b20994b617c57af120841a57fChet Haase /** 432a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Sets the length of each of the current child animations of this AnimatorSet. By default, 433a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * each child animation will use its own duration. If the duration is set on the AnimatorSet, 43421cd1389d2ef218b20994b617c57af120841a57fChet Haase * then each child animation inherits this duration. 43521cd1389d2ef218b20994b617c57af120841a57fChet Haase * 43621cd1389d2ef218b20994b617c57af120841a57fChet Haase * @param duration The length of the animation, in milliseconds, of each of the child 437a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * animations of this AnimatorSet. 43821cd1389d2ef218b20994b617c57af120841a57fChet Haase */ 43921cd1389d2ef218b20994b617c57af120841a57fChet Haase @Override 4402794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase public AnimatorSet setDuration(long duration) { 44121cd1389d2ef218b20994b617c57af120841a57fChet Haase if (duration < 0) { 44221cd1389d2ef218b20994b617c57af120841a57fChet Haase throw new IllegalArgumentException("duration must be a value of zero or greater"); 44321cd1389d2ef218b20994b617c57af120841a57fChet Haase } 444c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase // Just record the value for now - it will be used later when the AnimatorSet starts 44521cd1389d2ef218b20994b617c57af120841a57fChet Haase mDuration = duration; 4462794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase return this; 44721cd1389d2ef218b20994b617c57af120841a57fChet Haase } 44821cd1389d2ef218b20994b617c57af120841a57fChet Haase 4492970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase @Override 4502970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase public void setupStartValues() { 4512970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase for (Node node : mNodes) { 4522970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase node.animation.setupStartValues(); 4532970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 4542970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 4552970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase 4562970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase @Override 4572970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase public void setupEndValues() { 4582970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase for (Node node : mNodes) { 4592970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase node.animation.setupEndValues(); 4602970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 4612970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 4622970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase 4638aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 4648aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void pause() { 4658aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase boolean previouslyPaused = mPaused; 4668aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.pause(); 4678aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (!previouslyPaused && mPaused) { 4688aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mDelayAnim != null) { 4698aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mDelayAnim.pause(); 4708aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else { 4718aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase for (Node node : mNodes) { 4728aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase node.animation.pause(); 4738aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 4748aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 4758aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 4768aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 4778aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 4788aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase @Override 4798aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase public void resume() { 4808aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase boolean previouslyPaused = mPaused; 4818aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase super.resume(); 4828aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (previouslyPaused && !mPaused) { 4838aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase if (mDelayAnim != null) { 4848aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mDelayAnim.resume(); 4858aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } else { 4868aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase for (Node node : mNodes) { 4878aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase node.animation.resume(); 4888aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 4898aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 4908aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 4918aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase } 4928aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase 49321cd1389d2ef218b20994b617c57af120841a57fChet Haase /** 49417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * {@inheritDoc} 49517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 496a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Starting this <code>AnimatorSet</code> will, in turn, start the animations for which 49717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * it is responsible. The details of when exactly those animations are started depends on 49817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * the dependency relationships that have been set up between the animations. 49917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 50017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase @SuppressWarnings("unchecked") 50117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase @Override 50217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public void start() { 5037dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase mTerminated = false; 5048b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = true; 5058aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mPaused = false; 506010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase 507f5945a0c8bb868f978d9d0d22043a8b44464a86eJohn Reck for (Node node : mNodes) { 508f5945a0c8bb868f978d9d0d22043a8b44464a86eJohn Reck node.animation.setAllowRunningAsynchronously(false); 509f5945a0c8bb868f978d9d0d22043a8b44464a86eJohn Reck } 510f5945a0c8bb868f978d9d0d22043a8b44464a86eJohn Reck 511c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase if (mDuration >= 0) { 512c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase // If the duration was set on this AnimatorSet, pass it along to all child animations 513c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase for (Node node : mNodes) { 514c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase // TODO: don't set the duration of the timing-only nodes created by AnimatorSet to 515c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase // insert "play-after" delays 516c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase node.animation.setDuration(mDuration); 517c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase } 518c299a3384171e36fc9ab6d1011d8a589a7f344d1Chet Haase } 519430742f09063574271e6c4091de13b9b9e762514Chet Haase if (mInterpolator != null) { 520430742f09063574271e6c4091de13b9b9e762514Chet Haase for (Node node : mNodes) { 521430742f09063574271e6c4091de13b9b9e762514Chet Haase node.animation.setInterpolator(mInterpolator); 522430742f09063574271e6c4091de13b9b9e762514Chet Haase } 523430742f09063574271e6c4091de13b9b9e762514Chet Haase } 5247bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui // First, sort the nodes (if necessary). This will ensure that sortedNodes 52517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // contains the animation nodes in the correct order. 52617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase sortNodes(); 52717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 528e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase int numSortedNodes = mSortedNodes.size(); 529e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase for (int i = 0; i < numSortedNodes; ++i) { 530e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase Node node = mSortedNodes.get(i); 531e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase // First, clear out the old listeners 532e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase ArrayList<AnimatorListener> oldListeners = node.animation.getListeners(); 533e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase if (oldListeners != null && oldListeners.size() > 0) { 534d45204ba092312630a0e516ea7c247e594ce893bMartijn Coenen final ArrayList<AnimatorListener> clonedListeners = new 535d45204ba092312630a0e516ea7c247e594ce893bMartijn Coenen ArrayList<AnimatorListener>(oldListeners); 536d45204ba092312630a0e516ea7c247e594ce893bMartijn Coenen 537d45204ba092312630a0e516ea7c247e594ce893bMartijn Coenen for (AnimatorListener listener : clonedListeners) { 5387dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (listener instanceof DependencyListener || 5397dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase listener instanceof AnimatorSetListener) { 540e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase node.animation.removeListener(listener); 541e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 542e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 543e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 544e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 545e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase 54617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // nodesToStart holds the list of nodes to be started immediately. We don't want to 54717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // start the animations in the loop directly because we first need to set up 54817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // dependencies on all of the nodes. For example, we don't want to start an animation 54917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // when some other animation also wants to start when the first animation begins. 55021cd1389d2ef218b20994b617c57af120841a57fChet Haase final ArrayList<Node> nodesToStart = new ArrayList<Node>(); 5517c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numSortedNodes; ++i) { 5527c608f25d494c8a0a671e7373efbb47ca635367eChet Haase Node node = mSortedNodes.get(i); 553a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (mSetListener == null) { 554a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mSetListener = new AnimatorSetListener(this); 55517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 55617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (node.dependencies == null || node.dependencies.size() == 0) { 55717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase nodesToStart.add(node); 55817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } else { 5597c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numDependencies = node.dependencies.size(); 5607c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int j = 0; j < numDependencies; ++j) { 5617c608f25d494c8a0a671e7373efbb47ca635367eChet Haase Dependency dependency = node.dependencies.get(j); 56217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase dependency.node.animation.addListener( 563010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase new DependencyListener(this, node, dependency.rule)); 56417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 56517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node.tmpDependencies = (ArrayList<Dependency>) node.dependencies.clone(); 56617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 567a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase node.animation.addListener(mSetListener); 56817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 56917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // Now that all dependencies are set up, start the animations that should be started. 57021cd1389d2ef218b20994b617c57af120841a57fChet Haase if (mStartDelay <= 0) { 57121cd1389d2ef218b20994b617c57af120841a57fChet Haase for (Node node : nodesToStart) { 57221cd1389d2ef218b20994b617c57af120841a57fChet Haase node.animation.start(); 57321cd1389d2ef218b20994b617c57af120841a57fChet Haase mPlayingSet.add(node.animation); 57421cd1389d2ef218b20994b617c57af120841a57fChet Haase } 57521cd1389d2ef218b20994b617c57af120841a57fChet Haase } else { 576e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase mDelayAnim = ValueAnimator.ofFloat(0f, 1f); 577e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase mDelayAnim.setDuration(mStartDelay); 578e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase mDelayAnim.addListener(new AnimatorListenerAdapter() { 579e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase boolean canceled = false; 580e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase public void onAnimationCancel(Animator anim) { 581e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase canceled = true; 582e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 583a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationEnd(Animator anim) { 584e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase if (!canceled) { 585e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase int numNodes = nodesToStart.size(); 586e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase for (int i = 0; i < numNodes; ++i) { 587e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase Node node = nodesToStart.get(i); 588e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase node.animation.start(); 589e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase mPlayingSet.add(node.animation); 590e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase } 59121cd1389d2ef218b20994b617c57af120841a57fChet Haase } 5928aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mDelayAnim = null; 59321cd1389d2ef218b20994b617c57af120841a57fChet Haase } 59421cd1389d2ef218b20994b617c57af120841a57fChet Haase }); 595e2ab7ccd385cdb6517955c719e1d2b49771bedb6Chet Haase mDelayAnim.start(); 59617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 59717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (mListeners != null) { 598a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorListener> tmpListeners = 599a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 6007c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numListeners = tmpListeners.size(); 6017c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numListeners; ++i) { 6027c608f25d494c8a0a671e7373efbb47ca635367eChet Haase tmpListeners.get(i).onAnimationStart(this); 6038b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase } 6048b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase } 6058b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase if (mNodes.size() == 0 && mStartDelay == 0) { 6068b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase // Handle unusual case where empty AnimatorSet is started - should send out 6078b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase // end event immediately since the event will not be sent out at all otherwise 6088b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mStarted = false; 6098b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase if (mListeners != null) { 6108b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase ArrayList<AnimatorListener> tmpListeners = 6118b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 6128b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase int numListeners = tmpListeners.size(); 6138b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase for (int i = 0; i < numListeners; ++i) { 6142970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase tmpListeners.get(i).onAnimationEnd(this); 6152970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase } 61617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 61717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 61817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 61917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 62049afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase @Override 621a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public AnimatorSet clone() { 622a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase final AnimatorSet anim = (AnimatorSet) super.clone(); 62349afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase /* 62449afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * The basic clone() operation copies all items. This doesn't work very well for 625a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * AnimatorSet, because it will copy references that need to be recreated and state 62649afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * that may not apply. What we need to do now is put the clone in an uninitialized 62749afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * state, with fresh, empty data structures. Then we will build up the nodes list 62849afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * manually, as we clone each Node (and its animation). The clone will then be sorted, 62949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase * and will populate any appropriate lists, when it is started. 63049afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase */ 63149afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase anim.mNeedsSort = true; 6327dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase anim.mTerminated = false; 6338b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase anim.mStarted = false; 634a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mPlayingSet = new ArrayList<Animator>(); 635a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase anim.mNodeMap = new HashMap<Animator, Node>(); 63649afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase anim.mNodes = new ArrayList<Node>(); 63749afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase anim.mSortedNodes = new ArrayList<Node>(); 6387bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui anim.mReversible = mReversible; 63949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase 64049afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase // Walk through the old nodes list, cloning each node and adding it to the new nodemap. 641a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // One problem is that the old node dependencies point to nodes in the old AnimatorSet. 64249afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase // We need to track the old/new nodes in order to reconstruct the dependencies in the clone. 64349afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase HashMap<Node, Node> nodeCloneMap = new HashMap<Node, Node>(); // <old, new> 64449afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase for (Node node : mNodes) { 64549afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase Node nodeClone = node.clone(); 64649afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase nodeCloneMap.put(node, nodeClone); 64749afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase anim.mNodes.add(nodeClone); 64849afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase anim.mNodeMap.put(nodeClone.animation, nodeClone); 64949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase // Clear out the dependencies in the clone; we'll set these up manually later 65049afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase nodeClone.dependencies = null; 65149afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase nodeClone.tmpDependencies = null; 65249afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase nodeClone.nodeDependents = null; 65349afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase nodeClone.nodeDependencies = null; 654a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // clear out any listeners that were set up by the AnimatorSet; these will 65549afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase // be set up when the clone's nodes are sorted 656a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorListener> cloneListeners = nodeClone.animation.getListeners(); 65749afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase if (cloneListeners != null) { 658a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase ArrayList<AnimatorListener> listenersToRemove = null; 659a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (AnimatorListener listener : cloneListeners) { 660a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase if (listener instanceof AnimatorSetListener) { 66149afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase if (listenersToRemove == null) { 662a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase listenersToRemove = new ArrayList<AnimatorListener>(); 66349afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 66449afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase listenersToRemove.add(listener); 66549afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 66649afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 66749afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase if (listenersToRemove != null) { 668a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase for (AnimatorListener listener : listenersToRemove) { 66949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase cloneListeners.remove(listener); 67049afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 67149afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 67249afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 67349afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 67449afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase // Now that we've cloned all of the nodes, we're ready to walk through their 67549afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase // dependencies, mapping the old dependencies to the new nodes 67649afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase for (Node node : mNodes) { 67749afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase Node nodeClone = nodeCloneMap.get(node); 67849afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase if (node.dependencies != null) { 67949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase for (Dependency dependency : node.dependencies) { 68049afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase Node clonedDependencyNode = nodeCloneMap.get(dependency.node); 68149afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase Dependency cloneDependency = new Dependency(clonedDependencyNode, 68249afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase dependency.rule); 68349afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase nodeClone.addDependency(cloneDependency); 68449afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 68549afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 68649afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 68749afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase 68849afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase return anim; 68949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 69049afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase 69117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 69217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * This class is the mechanism by which animations are started based on events in other 69317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * animations. If an animation has multiple dependencies on other animations, then 69417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * all dependencies must be satisfied before the animation is started. 69517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 696a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private static class DependencyListener implements AnimatorListener { 69717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 698a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private AnimatorSet mAnimatorSet; 699010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase 70017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // The node upon which the dependency is based. 70117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase private Node mNode; 70217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 70317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // The Dependency rule (WITH or AFTER) that the listener should wait for on 70417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // the node 70517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase private int mRule; 70617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 707a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public DependencyListener(AnimatorSet animatorSet, Node node, int rule) { 708a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase this.mAnimatorSet = animatorSet; 70917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase this.mNode = node; 71017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase this.mRule = rule; 71117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 71217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 71317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 714010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase * Ignore cancel events for now. We may want to handle this eventually, 715010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase * to prevent follow-on animations from running when some dependency 716010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase * animation is canceled. 71717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 718a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationCancel(Animator animation) { 71917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 72017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 72117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 72217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * An end event is received - see if this is an event we are listening for 72317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 724a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationEnd(Animator animation) { 72517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (mRule == Dependency.AFTER) { 72617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase startIfReady(animation); 72717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 72817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 72917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 73017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 73117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Ignore repeat events for now 73217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 733a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationRepeat(Animator animation) { 73417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 73517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 73617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 73717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * A start event is received - see if this is an event we are listening for 73817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 739a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationStart(Animator animation) { 74017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (mRule == Dependency.WITH) { 74117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase startIfReady(animation); 74217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 74317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 74417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 74517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 74617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Check whether the event received is one that the node was waiting for. 74717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * If so, mark it as complete and see whether it's time to start 74817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * the animation. 74917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param dependencyAnimation the animation that sent the event. 75017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 751a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private void startIfReady(Animator dependencyAnimation) { 7527dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mAnimatorSet.mTerminated) { 753a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // if the parent AnimatorSet was canceled, then don't start any dependent anims 754010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase return; 755010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase } 75617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase Dependency dependencyToRemove = null; 7577c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numDependencies = mNode.tmpDependencies.size(); 7587c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numDependencies; ++i) { 7597c608f25d494c8a0a671e7373efbb47ca635367eChet Haase Dependency dependency = mNode.tmpDependencies.get(i); 76017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (dependency.rule == mRule && 76117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase dependency.node.animation == dependencyAnimation) { 76217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // rule fired - remove the dependency and listener and check to 76317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // see whether it's time to start the animation 76417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase dependencyToRemove = dependency; 76517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase dependencyAnimation.removeListener(this); 76617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase break; 76717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 76817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 76917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNode.tmpDependencies.remove(dependencyToRemove); 77017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (mNode.tmpDependencies.size() == 0) { 77117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // all dependencies satisfied: start the animation 77217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNode.animation.start(); 773a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mAnimatorSet.mPlayingSet.add(mNode.animation); 77417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 77517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 77617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 77717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 77817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 779a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private class AnimatorSetListener implements AnimatorListener { 78017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 781a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase private AnimatorSet mAnimatorSet; 78217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 783a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase AnimatorSetListener(AnimatorSet animatorSet) { 784a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase mAnimatorSet = animatorSet; 78517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 78617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 787a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationCancel(Animator animation) { 7887dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (!mTerminated) { 7897dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // Listeners are already notified of the AnimatorSet canceling in cancel(). 7907dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // The logic below only kicks in when animations end normally 7917dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mPlayingSet.size() == 0) { 7927dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mListeners != null) { 7937dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase int numListeners = mListeners.size(); 7947dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (int i = 0; i < numListeners; ++i) { 7957dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase mListeners.get(i).onAnimationCancel(mAnimatorSet); 7967dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 79717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 79817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 79917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 80017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 80117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 80217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase @SuppressWarnings("unchecked") 803a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationEnd(Animator animation) { 80417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase animation.removeListener(this); 80517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mPlayingSet.remove(animation); 806a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase Node animNode = mAnimatorSet.mNodeMap.get(animation); 8071e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase animNode.done = true; 8087dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (!mTerminated) { 8097dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // Listeners are already notified of the AnimatorSet ending in cancel() or 8107dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // end(); the logic below only kicks in when animations end normally 8117dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<Node> sortedNodes = mAnimatorSet.mSortedNodes; 8127dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase boolean allDone = true; 8137dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase int numSortedNodes = sortedNodes.size(); 8147dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (int i = 0; i < numSortedNodes; ++i) { 8157dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (!sortedNodes.get(i).done) { 8167dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase allDone = false; 8177dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase break; 8187dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 819a6e4a1757728efc91627ece602b0899d75303659Chet Haase } 8207dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (allDone) { 8217dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // If this was the last child animation to end, then notify listeners that this 8227dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // AnimatorSet has ended 8237dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase if (mListeners != null) { 8247dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase ArrayList<AnimatorListener> tmpListeners = 8257dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase (ArrayList<AnimatorListener>) mListeners.clone(); 8267dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase int numListeners = tmpListeners.size(); 8277dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase for (int i = 0; i < numListeners; ++i) { 8287dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase tmpListeners.get(i).onAnimationEnd(mAnimatorSet); 8297dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase } 83017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 8318b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase mAnimatorSet.mStarted = false; 8328aa1ffb0ed292891030992c65df4e5dc8bd37524Chet Haase mAnimatorSet.mPaused = false; 83317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 83417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 83517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 83617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 83717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // Nothing to do 838a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationRepeat(Animator animation) { 83917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 84017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 84117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // Nothing to do 842a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public void onAnimationStart(Animator animation) { 84317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 84417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 84517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 84617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 84717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 84817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * This method sorts the current set of nodes, if needed. The sort is a simple 84917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * DependencyGraph sort, which goes like this: 85017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * - All nodes without dependencies become 'roots' 85117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * - while roots list is not null 85217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * - for each root r 85317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * - add r to sorted list 85417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * - remove r as a dependency from any other node 85517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * - any nodes with no dependencies are added to the roots list 85617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 85717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase private void sortNodes() { 85817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (mNeedsSort) { 85917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mSortedNodes.clear(); 86017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase ArrayList<Node> roots = new ArrayList<Node>(); 8617c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numNodes = mNodes.size(); 8627c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numNodes; ++i) { 8637c608f25d494c8a0a671e7373efbb47ca635367eChet Haase Node node = mNodes.get(i); 86417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (node.dependencies == null || node.dependencies.size() == 0) { 86517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase roots.add(node); 86617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 86717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 86817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase ArrayList<Node> tmpRoots = new ArrayList<Node>(); 86917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase while (roots.size() > 0) { 8707c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numRoots = roots.size(); 8717c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numRoots; ++i) { 8727c608f25d494c8a0a671e7373efbb47ca635367eChet Haase Node root = roots.get(i); 87317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mSortedNodes.add(root); 87417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (root.nodeDependents != null) { 8757c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numDependents = root.nodeDependents.size(); 8767c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int j = 0; j < numDependents; ++j) { 8777c608f25d494c8a0a671e7373efbb47ca635367eChet Haase Node node = root.nodeDependents.get(j); 87817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node.nodeDependencies.remove(root); 87917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (node.nodeDependencies.size() == 0) { 88017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase tmpRoots.add(node); 88117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 88217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 88317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 88417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 885010dbaa1236cf2dcdc62c29049468e90188acaaeChet Haase roots.clear(); 88617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase roots.addAll(tmpRoots); 88717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase tmpRoots.clear(); 88817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 88917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNeedsSort = false; 89017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (mSortedNodes.size() != mNodes.size()) { 89117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase throw new IllegalStateException("Circular dependencies cannot exist" 892a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase + " in AnimatorSet"); 89317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 89417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } else { 89517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // Doesn't need sorting, but still need to add in the nodeDependencies list 89617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // because these get removed as the event listeners fire and the dependencies 89717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // are satisfied 8987c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numNodes = mNodes.size(); 8997c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int i = 0; i < numNodes; ++i) { 9007c608f25d494c8a0a671e7373efbb47ca635367eChet Haase Node node = mNodes.get(i); 90117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (node.dependencies != null && node.dependencies.size() > 0) { 9027c608f25d494c8a0a671e7373efbb47ca635367eChet Haase int numDependencies = node.dependencies.size(); 9037c608f25d494c8a0a671e7373efbb47ca635367eChet Haase for (int j = 0; j < numDependencies; ++j) { 9047c608f25d494c8a0a671e7373efbb47ca635367eChet Haase Dependency dependency = node.dependencies.get(j); 90517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (node.nodeDependencies == null) { 90617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node.nodeDependencies = new ArrayList<Node>(); 90717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 90817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (!node.nodeDependencies.contains(dependency.node)) { 90917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node.nodeDependencies.add(dependency.node); 91017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 91117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 91217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 9137dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // nodes are 'done' by default; they become un-done when started, and done 9147dfacdb1c820f955cb3cd6032ff5fbc2dd7d9df5Chet Haase // again when ended 9151e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase node.done = false; 91617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 91717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 91817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 91917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 92017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 9217bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui * @hide 9227bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui */ 9237bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui @Override 9247bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui public boolean canReverse() { 9257bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui if (!mReversible) { 9267bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui return false; 9277bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 9287bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui // Loop to make sure all the Nodes can reverse. 9297bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui for (Node node : mNodes) { 9307bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui if (!node.animation.canReverse() || node.animation.getStartDelay() > 0) { 9317bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui return false; 9327bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 9337bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 9347bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui return true; 9357bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 9367bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui 9377bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui /** 9387bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui * @hide 9397bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui */ 9407bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui @Override 9417bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui public void reverse() { 9427bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui if (canReverse()) { 9437bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui for (Node node : mNodes) { 9447bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui node.animation.reverse(); 9457bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 9467bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 9477bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui } 9487bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui 9497bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui /** 95017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Dependency holds information about the node that some other node is 95117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * dependent upon and the nature of that dependency. 95217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 95317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 95417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase private static class Dependency { 95517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase static final int WITH = 0; // dependent node must start with this dependency node 95617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase static final int AFTER = 1; // dependent node must start when this dependency node finishes 95717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 95817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // The node that the other node with this Dependency is dependent upon 95917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public Node node; 96017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 96117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase // The nature of the dependency (WITH or AFTER) 96217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public int rule; 96317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 96417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public Dependency(Node node, int rule) { 96517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase this.node = node; 96617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase this.rule = rule; 96717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 96817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 96917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 97017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 971a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * A Node is an embodiment of both the Animator that it wraps as well as 97217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * any dependencies that are associated with that Animation. This includes 97317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * both dependencies upon other nodes (in the dependencies list) as 97417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * well as dependencies of other nodes upon this (in the nodeDependents list). 97517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 97649afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase private static class Node implements Cloneable { 977a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Animator animation; 97817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 97917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 98017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * These are the dependencies that this node's animation has on other 98117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * nodes. For example, if this node's animation should begin with some 98217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * other animation ends, then there will be an item in this node's 98317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * dependencies list for that other animation's node. 98417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 98517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public ArrayList<Dependency> dependencies = null; 98617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 98717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 98817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * tmpDependencies is a runtime detail. We use the dependencies list for sorting. 98917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * But we also use the list to keep track of when multiple dependencies are satisfied, 99017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * but removing each dependency as it is satisfied. We do not want to remove 99117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * the dependency itself from the list, because we need to retain that information 992a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * if the AnimatorSet is launched in the future. So we create a copy of the dependency 993a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * list when the AnimatorSet starts and use this tmpDependencies list to track the 99417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * list of satisfied dependencies. 99517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 99617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public ArrayList<Dependency> tmpDependencies = null; 99717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 99817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 99917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * nodeDependencies is just a list of the nodes that this Node is dependent upon. 100017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * This information is used in sortNodes(), to determine when a node is a root. 100117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 100217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public ArrayList<Node> nodeDependencies = null; 100317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 100417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 100517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * nodeDepdendents is the list of nodes that have this node as a dependency. This 100617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * is a utility field used in sortNodes to facilitate removing this node as a 100717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * dependency when it is a root node. 100817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 100917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public ArrayList<Node> nodeDependents = null; 101017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 101117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 10121e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase * Flag indicating whether the animation in this node is finished. This flag 1013a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * is used by AnimatorSet to check, as each animation ends, whether all child animations 1014a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * are done and it's time to send out an end event for the entire AnimatorSet. 10151e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase */ 10161e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase public boolean done = false; 10171e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase 10181e0ac5a1063d00670f4dc7ca5b120ef2836f9e8fChet Haase /** 101917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Constructs the Node with the animation that it encapsulates. A Node has no 102017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * dependencies by default; dependencies are added via the addDependency() 102117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * method. 102217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 102317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param animation The animation that the Node encapsulates. 102417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 1025a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase public Node(Animator animation) { 102617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase this.animation = animation; 102717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 102817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 102917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 103017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Add a dependency to this Node. The dependency includes information about the 103117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * node that this node is dependency upon and the nature of the dependency. 103217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param dependency 103317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 103417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public void addDependency(Dependency dependency) { 103517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (dependencies == null) { 103617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase dependencies = new ArrayList<Dependency>(); 103717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase nodeDependencies = new ArrayList<Node>(); 103817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 103917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase dependencies.add(dependency); 104017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (!nodeDependencies.contains(dependency.node)) { 104117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase nodeDependencies.add(dependency.node); 104217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 104317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase Node dependencyNode = dependency.node; 104417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (dependencyNode.nodeDependents == null) { 104517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase dependencyNode.nodeDependents = new ArrayList<Node>(); 104617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 104717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase dependencyNode.nodeDependents.add(this); 104817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 104949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase 105049afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase @Override 105121cd1389d2ef218b20994b617c57af120841a57fChet Haase public Node clone() { 105221cd1389d2ef218b20994b617c57af120841a57fChet Haase try { 105321cd1389d2ef218b20994b617c57af120841a57fChet Haase Node node = (Node) super.clone(); 1054a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase node.animation = (Animator) animation.clone(); 105521cd1389d2ef218b20994b617c57af120841a57fChet Haase return node; 105621cd1389d2ef218b20994b617c57af120841a57fChet Haase } catch (CloneNotSupportedException e) { 105721cd1389d2ef218b20994b617c57af120841a57fChet Haase throw new AssertionError(); 105821cd1389d2ef218b20994b617c57af120841a57fChet Haase } 105949afa5bc100e5d4c069fea980dd6b09501f56397Chet Haase } 106017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 106117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 106217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 106317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * The <code>Builder</code> object is a utility class to facilitate adding animations to a 1064a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <code>AnimatorSet</code> along with the relationships between the various animations. The 106517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * intention of the <code>Builder</code> methods, along with the {@link 10668b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * AnimatorSet#play(Animator) play()} method of <code>AnimatorSet</code> is to make it possible 10678b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * to express the dependency relationships of animations in a natural way. Developers can also 10688b699792b677bd4dd8442b32641ac09d48fdd79cChet Haase * use the {@link AnimatorSet#playTogether(Animator[]) playTogether()} and {@link 1069a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * AnimatorSet#playSequentially(Animator[]) playSequentially()} methods if these suit the need, 1070a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * but it might be easier in some situations to express the AnimatorSet of animations in pairs. 107117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p/> 107217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p>The <code>Builder</code> object cannot be constructed directly, but is rather constructed 1073a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * internally via a call to {@link AnimatorSet#play(Animator)}.</p> 107417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p/> 1075a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>For example, this sets up a AnimatorSet to play anim1 and anim2 at the same time, anim3 to 107617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * play when anim2 finishes, and anim4 to play when anim3 finishes:</p> 107717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <pre> 1078a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * AnimatorSet s = new AnimatorSet(); 107917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * s.play(anim1).with(anim2); 108017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * s.play(anim2).before(anim3); 108117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * s.play(anim4).after(anim3); 108217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * </pre> 108317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p/> 1084a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * <p>Note in the example that both {@link Builder#before(Animator)} and {@link 1085a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * Builder#after(Animator)} are used. These are just different ways of expressing the same 108617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * relationship and are provided to make it easier to say things in a way that is more natural, 108717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * depending on the situation.</p> 108817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p/> 108917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p>It is possible to make several calls into the same <code>Builder</code> object to express 109017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * multiple relationships. However, note that it is only the animation passed into the initial 1091a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#play(Animator)} method that is the dependency in any of the successive 109217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * calls to the <code>Builder</code> object. For example, the following code starts both anim2 109317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * and anim3 when anim1 ends; there is no direct dependency relationship between anim2 and 109417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * anim3: 109517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <pre> 1096a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * AnimatorSet s = new AnimatorSet(); 109717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * s.play(anim1).before(anim2).before(anim3); 109817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * </pre> 109917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * If the desired result is to play anim1 then anim2 then anim3, this code expresses the 110017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * relationship correctly:</p> 110117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <pre> 1102a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * AnimatorSet s = new AnimatorSet(); 110317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * s.play(anim1).before(anim2); 110417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * s.play(anim2).before(anim3); 110517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * </pre> 110617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p/> 110717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * <p>Note that it is possible to express relationships that cannot be resolved and will not 110817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * result in sensible results. For example, <code>play(anim1).after(anim1)</code> makes no 110917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * sense. In general, circular dependencies like this one (or more indirect ones where a depends 1110a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * on b, which depends on c, which depends on a) should be avoided. Only create AnimatorSets 1111a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * that can boil down to a simple, one-way relationship of animations starting with, before, and 111217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * after other, different, animations.</p> 111317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 111417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase public class Builder { 111517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 111617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 111717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * This tracks the current node being processed. It is supplied to the play() method 1118a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * of AnimatorSet and passed into the constructor of Builder. 111917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 112017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase private Node mCurrentNode; 112117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 112217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 1123a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * package-private constructor. Builders are only constructed by AnimatorSet, when the 112417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * play() method is called. 112517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 112617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param anim The animation that is the dependency for the other animations passed into 112717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * the other methods of this Builder object. 112817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 1129a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase Builder(Animator anim) { 113017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mCurrentNode = mNodeMap.get(anim); 113117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (mCurrentNode == null) { 113217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mCurrentNode = new Node(anim); 113317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNodeMap.put(anim, mCurrentNode); 113417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNodes.add(mCurrentNode); 113517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 113617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 113717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 113817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 113917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Sets up the given animation to play at the same time as the animation supplied in the 1140a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#play(Animator)} call that created this <code>Builder</code> object. 114117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 114217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param anim The animation that will play when the animation supplied to the 1143a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#play(Animator)} method starts. 114417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 11452970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase public Builder with(Animator anim) { 114617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase Node node = mNodeMap.get(anim); 114717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (node == null) { 114817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node = new Node(anim); 114917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNodeMap.put(anim, node); 115017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNodes.add(node); 115117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 115217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase Dependency dependency = new Dependency(mCurrentNode, Dependency.WITH); 115317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node.addDependency(dependency); 11542970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase return this; 115517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 115617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 115717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 115817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Sets up the given animation to play when the animation supplied in the 1159a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#play(Animator)} call that created this <code>Builder</code> object 116017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * ends. 116117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 116217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param anim The animation that will play when the animation supplied to the 1163a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#play(Animator)} method ends. 116417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 11652970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase public Builder before(Animator anim) { 11667bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui mReversible = false; 116717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase Node node = mNodeMap.get(anim); 116817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (node == null) { 116917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node = new Node(anim); 117017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNodeMap.put(anim, node); 117117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNodes.add(node); 117217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 117317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase Dependency dependency = new Dependency(mCurrentNode, Dependency.AFTER); 117417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node.addDependency(dependency); 11752970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase return this; 117617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 117717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 117817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 117917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Sets up the given animation to play when the animation supplied in the 1180a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#play(Animator)} call that created this <code>Builder</code> object 118117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * to start when the animation supplied in this method call ends. 118217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 118317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param anim The animation whose end will cause the animation supplied to the 1184a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#play(Animator)} method to play. 118517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 11862970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase public Builder after(Animator anim) { 11877bc6a3f023ca3e1dde91fc97b6036dee3ba538a2ztenghui mReversible = false; 118817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase Node node = mNodeMap.get(anim); 118917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase if (node == null) { 119017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase node = new Node(anim); 119117fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNodeMap.put(anim, node); 119217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mNodes.add(node); 119317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 119417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase Dependency dependency = new Dependency(node, Dependency.AFTER); 119517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase mCurrentNode.addDependency(dependency); 11962970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase return this; 119717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 119817fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 119917fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase /** 120017fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * Sets up the animation supplied in the 1201a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase * {@link AnimatorSet#play(Animator)} call that created this <code>Builder</code> object 120217fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * to play when the given amount of time elapses. 120317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * 120417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * @param delay The number of milliseconds that should elapse before the 120517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase * animation starts. 120617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase */ 12072970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase public Builder after(long delay) { 1208a18a86b43e40e3c15dcca0ae0148d641be9b25feChet Haase // setup dummy ValueAnimator just to run the clock 12092794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f); 12102794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase anim.setDuration(delay); 12112794eb3b02e2404d453d3ad22a8a85a138130a07Chet Haase after(anim); 12122970c499388b4dcd1232cd622a9b80b395eeb2b4Chet Haase return this; 121317fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 121417fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 121517fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase } 121617fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase 121717fb4b0d1cfbad1f026fec704c86640f070b4c2fChet Haase} 1218