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/*
* Copyright (C) 2021 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.app.assist;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.annotation.TestApi;
import android.os.IBinder;
import android.os.Parcel;
import android.os.Parcelable;
import android.service.contentcapture.ContentCaptureService;
import android.view.contentcapture.ContentCaptureContext;
import android.view.translation.UiTranslationManager;
import com.android.internal.annotations.Immutable;
/**
* The class is used to identify an instance of an Activity. The system provides this to services
* that need to request operations on a specific Activity. For example, the system provides this in
* {@link ContentCaptureContext} to {@link ContentCaptureService} which can use it to issue requests
* like {@link UiTranslationManager#startTranslation}.
*
* @hide
*/
@Immutable
@SystemApi
@TestApi
public final class ActivityId implements Parcelable {
/**
* The identifier of the task this activity is in.
*/
private final int mTaskId;
/**
* The identifier of the activity.
*/
@Nullable
private final IBinder mActivityId;
/**
* @hide
*/
@TestApi
public ActivityId(int taskId, @Nullable IBinder activityId) {
mTaskId = taskId;
mActivityId = activityId;
}
/**
* @hide
*/
public ActivityId(@NonNull Parcel source) {
mTaskId = source.readInt();
mActivityId = source.readStrongBinder();
}
/**
* The identifier of the task this activity is in.
* @hide
*/
@TestApi
public int getTaskId() {
return mTaskId;
}
/**
* The identifier of the activity. In some case, this value may be null, e.g. the child session
* of content capture.
* @hide
*/
@Nullable
@TestApi
public IBinder getToken() {
return mActivityId;
}
/**
* {@inheritDoc}
*/
@Override
public int describeContents() {
return 0;
}
/**
* {@inheritDoc}
*/
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeInt(mTaskId);
dest.writeStrongBinder(mActivityId);
}
/**
* Creates {@link ActivityId} instances from parcels.
*/
@NonNull
public static final Parcelable.Creator<ActivityId> CREATOR =
new Parcelable.Creator<ActivityId>() {
@Override
public ActivityId createFromParcel(Parcel parcel) {
return new ActivityId(parcel);
}
@Override
public ActivityId[] newArray(int size) {
return new ActivityId[size];
}
};
@Override
public String toString() {
return "ActivityId { taskId = " + mTaskId + ", activityId = " + mActivityId + " }";
}
@Override
public boolean equals(@Nullable Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ActivityId that = (ActivityId) o;
if (mTaskId != that.mTaskId) {
return false;
}
return mActivityId != null
? mActivityId.equals(that.mActivityId)
: that.mActivityId == null;
}
@Override
public int hashCode() {
int result = mTaskId;
result = 31 * result + (mActivityId != null ? mActivityId.hashCode() : 0);
return result;
}
}
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