aboutsummaryrefslogtreecommitdiff
path: root/fastadapter/src/main/kotlin/ca/allanwang/kau/animators/BaseItemAnimator.java
diff options
context:
space:
mode:
Diffstat (limited to 'fastadapter/src/main/kotlin/ca/allanwang/kau/animators/BaseItemAnimator.java')
-rw-r--r--fastadapter/src/main/kotlin/ca/allanwang/kau/animators/BaseItemAnimator.java765
1 files changed, 0 insertions, 765 deletions
diff --git a/fastadapter/src/main/kotlin/ca/allanwang/kau/animators/BaseItemAnimator.java b/fastadapter/src/main/kotlin/ca/allanwang/kau/animators/BaseItemAnimator.java
deleted file mode 100644
index 4ead735..0000000
--- a/fastadapter/src/main/kotlin/ca/allanwang/kau/animators/BaseItemAnimator.java
+++ /dev/null
@@ -1,765 +0,0 @@
-package ca.allanwang.kau.animators;
-
-/*
- * Created by Allan Wang on 2017-06-27.
- *
- * Based on Item Animator by {@author Mike Penz}
- * Rewritten to match with the updated compat dependencies
- */
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.TimeInterpolator;
-import android.animation.ValueAnimator;
-import androidx.annotation.NonNull;
-import androidx.core.view.ViewCompat;
-import androidx.recyclerview.widget.RecyclerView.ViewHolder;
-import androidx.recyclerview.widget.SimpleItemAnimator;
-
-import android.view.View;
-import android.view.ViewPropertyAnimator;
-import android.view.animation.Interpolator;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * This implementation of {@link androidx.recyclerview.widget.RecyclerView.ItemAnimator} provides basic
- * animations on remove, add, and move events that happen to the items in
- * a RecyclerView. RecyclerView uses a DefaultItemAnimator by default.
- *
- * @see androidx.recyclerview.widget.RecyclerView#setItemAnimator(androidx.recyclerview.widget.RecyclerView.ItemAnimator)
- */
-public abstract class BaseItemAnimator extends SimpleItemAnimator {
- private static final boolean DEBUG = false;
-
- private static TimeInterpolator sDefaultInterpolator;
-
- private ArrayList<ViewHolder> mPendingRemovals = new ArrayList<>();
- private ArrayList<ViewHolder> mPendingAdditions = new ArrayList<>();
- private ArrayList<MoveInfo> mPendingMoves = new ArrayList<>();
- private ArrayList<ChangeInfo> mPendingChanges = new ArrayList<>();
-
- ArrayList<ArrayList<ViewHolder>> mAdditionsList = new ArrayList<>();
- ArrayList<ArrayList<MoveInfo>> mMovesList = new ArrayList<>();
- ArrayList<ArrayList<ChangeInfo>> mChangesList = new ArrayList<>();
-
- ArrayList<ViewHolder> mAddAnimations = new ArrayList<>();
- ArrayList<ViewHolder> mMoveAnimations = new ArrayList<>();
- ArrayList<ViewHolder> mRemoveAnimations = new ArrayList<>();
- ArrayList<ViewHolder> mChangeAnimations = new ArrayList<>();
-
- public Interpolator interpolator;
-
- private static class MoveInfo {
- public ViewHolder holder;
- public int fromX, fromY, toX, toY;
-
- MoveInfo(ViewHolder holder, int fromX, int fromY, int toX, int toY) {
- this.holder = holder;
- this.fromX = fromX;
- this.fromY = fromY;
- this.toX = toX;
- this.toY = toY;
- }
- }
-
- public static class ChangeInfo {
- public ViewHolder oldHolder, newHolder;
- public int fromX, fromY, toX, toY;
-
- private ChangeInfo(ViewHolder oldHolder, ViewHolder newHolder) {
- this.oldHolder = oldHolder;
- this.newHolder = newHolder;
- }
-
- ChangeInfo(ViewHolder oldHolder, ViewHolder newHolder,
- int fromX, int fromY, int toX, int toY) {
- this(oldHolder, newHolder);
- this.fromX = fromX;
- this.fromY = fromY;
- this.toX = toX;
- this.toY = toY;
- }
-
- @Override
- public String toString() {
- return "ChangeInfo{"
- + "oldHolder=" + oldHolder
- + ", newHolder=" + newHolder
- + ", fromX=" + fromX
- + ", fromY=" + fromY
- + ", toX=" + toX
- + ", toY=" + toY
- + '}';
- }
- }
-
- @Override
- public void runPendingAnimations() {
- boolean removalsPending = !mPendingRemovals.isEmpty();
- boolean movesPending = !mPendingMoves.isEmpty();
- boolean changesPending = !mPendingChanges.isEmpty();
- boolean additionsPending = !mPendingAdditions.isEmpty();
- if (!removalsPending && !movesPending && !additionsPending && !changesPending) {
- // nothing to animate
- return;
- }
- // First, remove stuff
- for (ViewHolder holder : mPendingRemovals) {
- animateRemoveImpl(holder);
- }
- mPendingRemovals.clear();
- // Next, move stuff
- if (movesPending) {
- final ArrayList<MoveInfo> moves = new ArrayList<>();
- moves.addAll(mPendingMoves);
- mMovesList.add(moves);
- mPendingMoves.clear();
- Runnable mover = new Runnable() {
- @Override
- public void run() {
- for (MoveInfo moveInfo : moves) {
- animateMoveImpl(moveInfo.holder, moveInfo.fromX, moveInfo.fromY,
- moveInfo.toX, moveInfo.toY);
- }
- moves.clear();
- mMovesList.remove(moves);
- }
- };
- if (removalsPending) {
- View view = moves.get(0).holder.itemView;
- ViewCompat.postOnAnimationDelayed(view, mover, 0);
- } else {
- mover.run();
- }
- }
- // Next, change stuff, to run in parallel with move animations
- if (changesPending) {
- final ArrayList<ChangeInfo> changes = new ArrayList<>();
- changes.addAll(mPendingChanges);
- mChangesList.add(changes);
- mPendingChanges.clear();
- Runnable changer = new Runnable() {
- @Override
- public void run() {
- for (ChangeInfo change : changes) {
- animateChangeImpl(change);
- }
- changes.clear();
- mChangesList.remove(changes);
- }
- };
- if (removalsPending) {
- ViewHolder holder = changes.get(0).oldHolder;
- long moveDuration = movesPending ? getMoveDuration() : 0;
- ViewCompat.postOnAnimationDelayed(holder.itemView, changer, getRemoveDelay(getRemoveDuration(), moveDuration, getChangeDuration()));
- } else {
- changer.run();
- }
- }
- // Next, add stuff
- if (additionsPending) {
- final ArrayList<ViewHolder> additions = new ArrayList<>();
- additions.addAll(mPendingAdditions);
- mAdditionsList.add(additions);
- mPendingAdditions.clear();
- Runnable adder = new Runnable() {
- @Override
- public void run() {
- for (ViewHolder holder : additions) {
- animateAddImpl(holder);
- }
- additions.clear();
- mAdditionsList.remove(additions);
- }
- };
- if (removalsPending || movesPending || changesPending) {
- long removeDuration = removalsPending ? getRemoveDuration() : 0;
- long moveDuration = movesPending ? getMoveDuration() : 0;
- long changeDuration = changesPending ? getChangeDuration() : 0;
- View view = additions.get(0).itemView;
- ViewCompat.postOnAnimationDelayed(view, adder, getAddDelay(removeDuration, moveDuration, changeDuration));
- } else {
- adder.run();
- }
- }
- }
-
- /**
- * used to calculated the delay until the remove animation should start
- *
- * @param remove the remove duration
- * @param move the move duration
- * @param change the change duration
- * @return the calculated delay for the remove items animation
- */
- public long getRemoveDelay(long remove, long move, long change) {
- return remove + Math.max(move, change);
- }
-
- /**
- * used to calculated the delay until the add animation should start
- *
- * @param remove the remove duration
- * @param move the move duration
- * @param change the change duration
- * @return the calculated delay for the add items animation
- */
- public long getAddDelay(long remove, long move, long change) {
- return remove + Math.max(move, change);
- }
-
- @Override
- public boolean animateRemove(final ViewHolder holder) {
- resetAnimation(holder);
- mPendingRemovals.add(holder);
- return true;
- }
-
- private void animateRemoveImpl(final ViewHolder holder) {
- final ViewPropertyAnimator animation = removeAnimation(holder);
- mRemoveAnimations.add(holder);
- animation.setListener(new AnimatorListenerAdapter() {
- @Override
- public void onAnimationStart(Animator animator) {
- dispatchRemoveStarting(holder);
- }
-
- @Override
- public void onAnimationEnd(Animator animator) {
- animation.setListener(null);
- removeAnimationCleanup(holder);
- dispatchRemoveFinished(holder);
- mRemoveAnimations.remove(holder);
- dispatchFinishedWhenDone();
- }
- }).start();
- }
-
- abstract public ViewPropertyAnimator removeAnimation(ViewHolder holder);
-
- abstract public void removeAnimationCleanup(ViewHolder holder);
-
- @Override
- public boolean animateAdd(final ViewHolder holder) {
- resetAnimation(holder);
- addAnimationPrepare(holder);
- mPendingAdditions.add(holder);
- return true;
- }
-
- void animateAddImpl(final ViewHolder holder) {
- final ViewPropertyAnimator animation = addAnimation(holder);
- mAddAnimations.add(holder);
- animation.setListener(new AnimatorListenerAdapter() {
- @Override
- public void onAnimationStart(Animator animator) {
- dispatchAddStarting(holder);
- }
-
- @Override
- public void onAnimationCancel(Animator animator) {
- addAnimationCleanup(holder);
- }
-
- @Override
- public void onAnimationEnd(Animator animator) {
- animation.setListener(null);
- dispatchAddFinished(holder);
- mAddAnimations.remove(holder);
- dispatchFinishedWhenDone();
- addAnimationCleanup(holder);
- }
- }).start();
- }
-
- /**
- * the animation to prepare the view before the add animation is run
- *
- * @param holder
- */
- public abstract void addAnimationPrepare(ViewHolder holder);
-
- /**
- * the animation for adding a view
- *
- * @param holder
- * @return
- */
- public abstract ViewPropertyAnimator addAnimation(ViewHolder holder);
-
- /**
- * the cleanup method if the animation needs to be stopped. and tro prepare for the next view
- *
- * @param holder
- */
- abstract void addAnimationCleanup(ViewHolder holder);
-
- @Override
- public boolean animateMove(final ViewHolder holder, int fromX, int fromY,
- int toX, int toY) {
- final View view = holder.itemView;
- fromX += (int) holder.itemView.getTranslationX();
- fromY += (int) holder.itemView.getTranslationY();
- resetAnimation(holder);
- int deltaX = toX - fromX;
- int deltaY = toY - fromY;
- if (deltaX == 0 && deltaY == 0) {
- dispatchMoveFinished(holder);
- return false;
- }
- if (deltaX != 0) {
- view.setTranslationX(-deltaX);
- }
- if (deltaY != 0) {
- view.setTranslationY(-deltaY);
- }
- mPendingMoves.add(new MoveInfo(holder, fromX, fromY, toX, toY));
- return true;
- }
-
- void animateMoveImpl(final ViewHolder holder, int fromX, int fromY, int toX, int toY) {
- final View view = holder.itemView;
- final int deltaX = toX - fromX;
- final int deltaY = toY - fromY;
- if (deltaX != 0) {
- view.animate().translationX(0);
- }
- if (deltaY != 0) {
- view.animate().translationY(0);
- }
- // TODO: make EndActions end listeners instead, since end actions aren't called when
- // vpas are canceled (and can't end them. why?)
- // need listener functionality in VPACompat for this. Ick.
- final ViewPropertyAnimator animation = view.animate();
- mMoveAnimations.add(holder);
- animation.setDuration(getMoveDuration()).setListener(new AnimatorListenerAdapter() {
- @Override
- public void onAnimationStart(Animator animator) {
- dispatchMoveStarting(holder);
- }
-
- @Override
- public void onAnimationCancel(Animator animator) {
- if (deltaX != 0) {
- view.setTranslationX(0);
- }
- if (deltaY != 0) {
- view.setTranslationY(0);
- }
- }
-
- @Override
- public void onAnimationEnd(Animator animator) {
- animation.setListener(null);
- dispatchMoveFinished(holder);
- mMoveAnimations.remove(holder);
- dispatchFinishedWhenDone();
- }
- }).start();
- }
-
- @Override
- public boolean animateChange(ViewHolder oldHolder, ViewHolder newHolder,
- int fromX, int fromY, int toX, int toY) {
- if (oldHolder == newHolder) {
- // Don't know how to run change animations when the same view holder is re-used.
- // run a move animation to handle position changes.
- return animateMove(oldHolder, fromX, fromY, toX, toY);
- }
- changeAnimation(oldHolder, newHolder,
- fromX, fromY, toX, toY);
- mPendingChanges.add(new ChangeInfo(oldHolder, newHolder, fromX, fromY, toX, toY));
- return true;
- }
-
- void animateChangeImpl(final ChangeInfo changeInfo) {
- final ViewHolder holder = changeInfo.oldHolder;
- final View view = holder == null ? null : holder.itemView;
- final ViewHolder newHolder = changeInfo.newHolder;
- final View newView = newHolder != null ? newHolder.itemView : null;
- if (view != null) {
- final ViewPropertyAnimator oldViewAnim = changeOldAnimation(holder, changeInfo);
- mChangeAnimations.add(changeInfo.oldHolder);
- oldViewAnim.setListener(new AnimatorListenerAdapter() {
- @Override
- public void onAnimationStart(Animator animator) {
- dispatchChangeStarting(changeInfo.oldHolder, true);
- }
-
- @Override
- public void onAnimationEnd(Animator animator) {
- oldViewAnim.setListener(null);
- changeAnimationCleanup(holder);
- view.setTranslationX(0);
- view.setTranslationY(0);
- dispatchChangeFinished(changeInfo.oldHolder, true);
- mChangeAnimations.remove(changeInfo.oldHolder);
- dispatchFinishedWhenDone();
- }
- }).start();
- }
- if (newView != null) {
- final ViewPropertyAnimator newViewAnimation = changeNewAnimation(newHolder);
- mChangeAnimations.add(changeInfo.newHolder);
- newViewAnimation.setListener(new AnimatorListenerAdapter() {
- @Override
- public void onAnimationStart(Animator animator) {
- dispatchChangeStarting(changeInfo.newHolder, false);
- }
-
- @Override
- public void onAnimationEnd(Animator animator) {
- newViewAnimation.setListener(null);
- changeAnimationCleanup(newHolder);
- newView.setTranslationX(0);
- newView.setTranslationY(0);
- dispatchChangeFinished(changeInfo.newHolder, false);
- mChangeAnimations.remove(changeInfo.newHolder);
- dispatchFinishedWhenDone();
- }
- }).start();
- }
- }
-
- /**
- * the whole change animation if we have to cross animate two views
- *
- * @param oldHolder
- * @param newHolder
- * @param fromX
- * @param fromY
- * @param toX
- * @param toY
- */
- public void changeAnimation(ViewHolder oldHolder, ViewHolder newHolder, int fromX, int fromY, int toX, int toY) {
- final float prevTranslationX = oldHolder.itemView.getTranslationX();
- final float prevTranslationY = oldHolder.itemView.getTranslationY();
- final float prevValue = oldHolder.itemView.getAlpha();
- resetAnimation(oldHolder);
- int deltaX = (int) (toX - fromX - prevTranslationX);
- int deltaY = (int) (toY - fromY - prevTranslationY);
- // recover prev translation state after ending animation
- oldHolder.itemView.setTranslationX(prevTranslationX);
- oldHolder.itemView.setTranslationY(prevTranslationY);
-
- oldHolder.itemView.setAlpha(prevValue);
- if (newHolder != null) {
- // carry over translation values
- resetAnimation(newHolder);
- newHolder.itemView.setTranslationX(-deltaX);
- newHolder.itemView.setTranslationY(-deltaY);
- newHolder.itemView.setAlpha(0);
- }
- }
-
- /**
- * the animation for removing the old view
- *
- * @param holder
- * @return
- */
- public abstract ViewPropertyAnimator changeOldAnimation(ViewHolder holder, ChangeInfo changeInfo);
-
- /**
- * the animation for changing the new view
- *
- * @param holder
- * @return
- */
- public abstract ViewPropertyAnimator changeNewAnimation(ViewHolder holder);
-
- /**
- * the cleanup method if the animation needs to be stopped. and to prepare for the next view
- *
- * @param holder
- */
- public abstract void changeAnimationCleanup(ViewHolder holder);
-
- private void endChangeAnimation(List<ChangeInfo> infoList, ViewHolder item) {
- for (int i = infoList.size() - 1; i >= 0; i--) {
- ChangeInfo changeInfo = infoList.get(i);
- if (endChangeAnimationIfNecessary(changeInfo, item)) {
- if (changeInfo.oldHolder == null && changeInfo.newHolder == null) {
- infoList.remove(changeInfo);
- }
- }
- }
- }
-
- private void endChangeAnimationIfNecessary(ChangeInfo changeInfo) {
- if (changeInfo.oldHolder != null) {
- endChangeAnimationIfNecessary(changeInfo, changeInfo.oldHolder);
- }
- if (changeInfo.newHolder != null) {
- endChangeAnimationIfNecessary(changeInfo, changeInfo.newHolder);
- }
- }
-
- private boolean endChangeAnimationIfNecessary(ChangeInfo changeInfo, ViewHolder item) {
- boolean oldItem = false;
- if (changeInfo.newHolder == item) {
- changeInfo.newHolder = null;
- } else if (changeInfo.oldHolder == item) {
- changeInfo.oldHolder = null;
- oldItem = true;
- } else {
- return false;
- }
- changeAnimationCleanup(item);
- item.itemView.setTranslationX(0);
- item.itemView.setTranslationY(0);
- dispatchChangeFinished(item, oldItem);
- return true;
- }
-
- @Override
- public void endAnimation(ViewHolder item) {
- final View view = item.itemView;
- // this will trigger end callback which should set properties to their target values.
- view.animate().cancel();
- // TODO if some other animations are chained to end, how do we cancel them as well?
- for (int i = mPendingMoves.size() - 1; i >= 0; i--) {
- MoveInfo moveInfo = mPendingMoves.get(i);
- if (moveInfo.holder == item) {
- view.setTranslationY(0);
- view.setTranslationX(0);
- dispatchMoveFinished(item);
- mPendingMoves.remove(i);
- }
- }
- endChangeAnimation(mPendingChanges, item);
- if (mPendingRemovals.remove(item)) {
- removeAnimationCleanup(item);
- dispatchRemoveFinished(item);
- }
- if (mPendingAdditions.remove(item)) {
- addAnimationCleanup(item);
- dispatchAddFinished(item);
- }
-
- for (int i = mChangesList.size() - 1; i >= 0; i--) {
- ArrayList<ChangeInfo> changes = mChangesList.get(i);
- endChangeAnimation(changes, item);
- if (changes.isEmpty()) {
- mChangesList.remove(i);
- }
- }
- for (int i = mMovesList.size() - 1; i >= 0; i--) {
- ArrayList<MoveInfo> moves = mMovesList.get(i);
- for (int j = moves.size() - 1; j >= 0; j--) {
- MoveInfo moveInfo = moves.get(j);
- if (moveInfo.holder == item) {
- view.setTranslationY(0);
- view.setTranslationX(0);
- dispatchMoveFinished(item);
- moves.remove(j);
- if (moves.isEmpty()) {
- mMovesList.remove(i);
- }
- break;
- }
- }
- }
- for (int i = mAdditionsList.size() - 1; i >= 0; i--) {
- ArrayList<ViewHolder> additions = mAdditionsList.get(i);
- if (additions.remove(item)) {
- addAnimationCleanup(item);
- dispatchAddFinished(item);
- if (additions.isEmpty()) {
- mAdditionsList.remove(i);
- }
- }
- }
-
- // animations should be ended by the cancel above.
- //noinspection PointlessBooleanExpression,ConstantConditions
- if (mRemoveAnimations.remove(item) && DEBUG) {
- throw new IllegalStateException("after animation is cancelled, item should not be in "
- + "mRemoveAnimations list");
- }
-
- //noinspection PointlessBooleanExpression,ConstantConditions
- if (mAddAnimations.remove(item) && DEBUG) {
- throw new IllegalStateException("after animation is cancelled, item should not be in "
- + "mAddAnimations list");
- }
-
- //noinspection PointlessBooleanExpression,ConstantConditions
- if (mChangeAnimations.remove(item) && DEBUG) {
- throw new IllegalStateException("after animation is cancelled, item should not be in "
- + "mChangeAnimations list");
- }
-
- //noinspection PointlessBooleanExpression,ConstantConditions
- if (mMoveAnimations.remove(item) && DEBUG) {
- throw new IllegalStateException("after animation is cancelled, item should not be in "
- + "mMoveAnimations list");
- }
- dispatchFinishedWhenDone();
- }
-
- private void resetAnimation(ViewHolder holder) {
-
- if (sDefaultInterpolator == null) {
- sDefaultInterpolator = new ValueAnimator().getInterpolator();
- }
- holder.itemView.animate().setInterpolator(sDefaultInterpolator);
- endAnimation(holder);
- }
-
- @Override
- public boolean isRunning() {
- return (!mPendingAdditions.isEmpty()
- || !mPendingChanges.isEmpty()
- || !mPendingMoves.isEmpty()
- || !mPendingRemovals.isEmpty()
- || !mMoveAnimations.isEmpty()
- || !mRemoveAnimations.isEmpty()
- || !mAddAnimations.isEmpty()
- || !mChangeAnimations.isEmpty()
- || !mMovesList.isEmpty()
- || !mAdditionsList.isEmpty()
- || !mChangesList.isEmpty());
- }
-
- /**
- * Check the state of currently pending and running animations. If there are none
- * pending/running, call {@link #dispatchAnimationsFinished()} to notify any
- * listeners.
- */
- void dispatchFinishedWhenDone() {
- if (!isRunning()) {
- dispatchAnimationsFinished();
- }
- }
-
- @Override
- public void endAnimations() {
- int count = mPendingMoves.size();
- for (int i = count - 1; i >= 0; i--) {
- MoveInfo item = mPendingMoves.get(i);
- View view = item.holder.itemView;
- view.setTranslationY(0);
- view.setTranslationX(0);
- dispatchMoveFinished(item.holder);
- mPendingMoves.remove(i);
- }
- count = mPendingRemovals.size();
- for (int i = count - 1; i >= 0; i--) {
- ViewHolder item = mPendingRemovals.get(i);
- dispatchRemoveFinished(item);
- mPendingRemovals.remove(i);
- }
- count = mPendingAdditions.size();
- for (int i = count - 1; i >= 0; i--) {
- ViewHolder item = mPendingAdditions.get(i);
- addAnimationCleanup(item);
- dispatchAddFinished(item);
- mPendingAdditions.remove(i);
- }
- count = mPendingChanges.size();
- for (int i = count - 1; i >= 0; i--) {
- endChangeAnimationIfNecessary(mPendingChanges.get(i));
- }
- mPendingChanges.clear();
- if (!isRunning()) {
- return;
- }
-
- int listCount = mMovesList.size();
- for (int i = listCount - 1; i >= 0; i--) {
- ArrayList<MoveInfo> moves = mMovesList.get(i);
- count = moves.size();
- for (int j = count - 1; j >= 0; j--) {
- MoveInfo moveInfo = moves.get(j);
- ViewHolder item = moveInfo.holder;
- View view = item.itemView;
- view.setTranslationY(0);
- view.setTranslationX(0);
- dispatchMoveFinished(moveInfo.holder);
- moves.remove(j);
- if (moves.isEmpty()) {
- mMovesList.remove(moves);
- }
- }
- }
- listCount = mAdditionsList.size();
- for (int i = listCount - 1; i >= 0; i--) {
- ArrayList<ViewHolder> additions = mAdditionsList.get(i);
- count = additions.size();
- for (int j = count - 1; j >= 0; j--) {
- ViewHolder item = additions.get(j);
- View view = item.itemView;
- addAnimationCleanup(item);
- dispatchAddFinished(item);
- additions.remove(j);
- if (additions.isEmpty()) {
- mAdditionsList.remove(additions);
- }
- }
- }
- listCount = mChangesList.size();
- for (int i = listCount - 1; i >= 0; i--) {
- ArrayList<ChangeInfo> changes = mChangesList.get(i);
- count = changes.size();
- for (int j = count - 1; j >= 0; j--) {
- endChangeAnimationIfNecessary(changes.get(j));
- if (changes.isEmpty()) {
- mChangesList.remove(changes);
- }
- }
- }
-
- cancelAll(mRemoveAnimations);
- cancelAll(mMoveAnimations);
- cancelAll(mAddAnimations);
- cancelAll(mChangeAnimations);
-
- dispatchAnimationsFinished();
- }
-
- void cancelAll(List<ViewHolder> viewHolders) {
- for (int i = viewHolders.size() - 1; i >= 0; i--) {
- viewHolders.get(i).itemView.animate().cancel();
- }
- }
-
- /**
- * {@inheritDoc}
- * <p>
- * If the payload list is not empty, DefaultItemAnimator returns <code>true</code>.
- * When this is the case:
- * <ul>
- * <li>If you override {@link #animateChange(ViewHolder, ViewHolder, int, int, int, int)}, both
- * ViewHolder arguments will be the same instance.
- * </li>
- * <li>
- * If you are not overriding {@link #animateChange(ViewHolder, ViewHolder, int, int, int, int)},
- * then DefaultItemAnimator will call {@link #animateMove(ViewHolder, int, int, int, int)} and
- * run a move animation instead.
- * </li>
- * </ul>
- */
- @Override
- public boolean canReuseUpdatedViewHolder(@NonNull ViewHolder viewHolder,
- @NonNull List<Object> payloads) {
- return !payloads.isEmpty() || super.canReuseUpdatedViewHolder(viewHolder, payloads);
- }
-}