| /* |
| * 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.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 |
| public class ActivityId { |
| |
| /** |
| * The identifier of the task this activity is in. |
| */ |
| private final int mTaskId; |
| /** |
| * The identifier of the activity. |
| */ |
| @Nullable |
| private final IBinder mActivityId; |
| |
| /** |
| * @hide |
| */ |
| 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; |
| } |
| |
| /** |
| * @hide |
| */ |
| public void writeToParcel(@NonNull Parcel dest, int parcelableFlags) { |
| dest.writeInt(mTaskId); |
| dest.writeStrongBinder(mActivityId); |
| } |
| |
| @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; |
| } |
| } |