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