/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package android.view;
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import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED;
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import android.annotation.Nullable;
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import android.annotation.UnsupportedAppUsage;
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import android.app.WindowConfiguration;
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import android.app.WindowConfiguration.ActivityType;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.util.ArraySet;
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import android.util.SparseArray;
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import android.view.WindowManager.TransitionType;
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/**
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* Defines which animation types should be overridden by which remote animation.
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*
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* @hide
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*/
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public class RemoteAnimationDefinition implements Parcelable {
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private final SparseArray<RemoteAnimationAdapterEntry> mTransitionAnimationMap;
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@UnsupportedAppUsage
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public RemoteAnimationDefinition() {
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mTransitionAnimationMap = new SparseArray<>();
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}
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/**
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* Registers a remote animation for a specific transition.
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*
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* @param transition The transition type. Must be one of WindowManager.TRANSIT_* values.
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* @param activityTypeFilter The remote animation only runs if an activity with type of this
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* parameter is involved in the transition.
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* @param adapter The adapter that described how to run the remote animation.
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*/
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@UnsupportedAppUsage
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public void addRemoteAnimation(@TransitionType int transition,
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@ActivityType int activityTypeFilter, RemoteAnimationAdapter adapter) {
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mTransitionAnimationMap.put(transition,
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new RemoteAnimationAdapterEntry(adapter, activityTypeFilter));
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}
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/**
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* Registers a remote animation for a specific transition without defining an activity type
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* filter.
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*
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* @param transition The transition type. Must be one of WindowManager.TRANSIT_* values.
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* @param adapter The adapter that described how to run the remote animation.
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*/
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@UnsupportedAppUsage
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public void addRemoteAnimation(@TransitionType int transition, RemoteAnimationAdapter adapter) {
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addRemoteAnimation(transition, ACTIVITY_TYPE_UNDEFINED, adapter);
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}
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/**
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* Checks whether a remote animation for specific transition is defined.
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*
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* @param transition The transition type. Must be one of WindowManager.TRANSIT_* values.
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* @param activityTypes The set of activity types of activities that are involved in the
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* transition. Will be used for filtering.
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* @return Whether this definition has defined a remote animation for the specified transition.
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*/
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public boolean hasTransition(@TransitionType int transition, ArraySet<Integer> activityTypes) {
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return getAdapter(transition, activityTypes) != null;
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}
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/**
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* Retrieves the remote animation for a specific transition.
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*
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* @param transition The transition type. Must be one of WindowManager.TRANSIT_* values.
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* @param activityTypes The set of activity types of activities that are involved in the
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* transition. Will be used for filtering.
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* @return The remote animation adapter for the specified transition.
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*/
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public @Nullable RemoteAnimationAdapter getAdapter(@TransitionType int transition,
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ArraySet<Integer> activityTypes) {
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final RemoteAnimationAdapterEntry entry = mTransitionAnimationMap.get(transition);
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if (entry == null) {
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return null;
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}
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if (entry.activityTypeFilter == ACTIVITY_TYPE_UNDEFINED
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|| activityTypes.contains(entry.activityTypeFilter)) {
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return entry.adapter;
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} else {
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return null;
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}
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}
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public RemoteAnimationDefinition(Parcel in) {
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final int size = in.readInt();
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mTransitionAnimationMap = new SparseArray<>(size);
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for (int i = 0; i < size; i++) {
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final int transition = in.readInt();
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final RemoteAnimationAdapterEntry entry = in.readTypedObject(
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RemoteAnimationAdapterEntry.CREATOR);
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mTransitionAnimationMap.put(transition, entry);
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}
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}
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/**
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* To be called by system_server to keep track which pid is running the remote animations inside
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* this definition.
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*/
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public void setCallingPid(int pid) {
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for (int i = mTransitionAnimationMap.size() - 1; i >= 0; i--) {
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mTransitionAnimationMap.valueAt(i).adapter.setCallingPid(pid);
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}
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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final int size = mTransitionAnimationMap.size();
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dest.writeInt(size);
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for (int i = 0; i < size; i++) {
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dest.writeInt(mTransitionAnimationMap.keyAt(i));
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dest.writeTypedObject(mTransitionAnimationMap.valueAt(i), flags);
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}
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}
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public static final @android.annotation.NonNull Creator<RemoteAnimationDefinition> CREATOR =
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new Creator<RemoteAnimationDefinition>() {
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public RemoteAnimationDefinition createFromParcel(Parcel in) {
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return new RemoteAnimationDefinition(in);
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}
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public RemoteAnimationDefinition[] newArray(int size) {
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return new RemoteAnimationDefinition[size];
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}
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};
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private static class RemoteAnimationAdapterEntry implements Parcelable {
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final RemoteAnimationAdapter adapter;
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/**
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* Only run the transition if one of the activities matches the filter.
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* {@link WindowConfiguration.ACTIVITY_TYPE_UNDEFINED} means no filter
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*/
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@ActivityType final int activityTypeFilter;
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RemoteAnimationAdapterEntry(RemoteAnimationAdapter adapter, int activityTypeFilter) {
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this.adapter = adapter;
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this.activityTypeFilter = activityTypeFilter;
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}
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private RemoteAnimationAdapterEntry(Parcel in) {
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adapter = in.readParcelable(RemoteAnimationAdapter.class.getClassLoader());
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activityTypeFilter = in.readInt();
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeParcelable(adapter, flags);
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dest.writeInt(activityTypeFilter);
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}
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@Override
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public int describeContents() {
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return 0;
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}
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private static final @android.annotation.NonNull Creator<RemoteAnimationAdapterEntry> CREATOR
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= new Creator<RemoteAnimationAdapterEntry>() {
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@Override
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public RemoteAnimationAdapterEntry createFromParcel(Parcel in) {
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return new RemoteAnimationAdapterEntry(in);
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}
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@Override
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public RemoteAnimationAdapterEntry[] newArray(int size) {
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return new RemoteAnimationAdapterEntry[size];
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}
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};
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}
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}
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