1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package android.hardware.location;
18
19import android.annotation.NonNull;
20import android.os.Parcel;
21import android.os.Parcelable;
22
23import java.security.InvalidParameterException;
24import java.util.Arrays;
25import java.util.List;
26
27/**
28 * A class representing an event for Activity changes.
29 *
30 * @hide
31 */
32public class ActivityChangedEvent implements Parcelable {
33    private final List<ActivityRecognitionEvent> mActivityRecognitionEvents;
34
35    public ActivityChangedEvent(ActivityRecognitionEvent[] activityRecognitionEvents) {
36        if (activityRecognitionEvents == null) {
37            throw new InvalidParameterException(
38                    "Parameter 'activityRecognitionEvents' must not be null.");
39        }
40
41        mActivityRecognitionEvents = Arrays.asList(activityRecognitionEvents);
42    }
43
44    @NonNull
45    public Iterable<ActivityRecognitionEvent> getActivityRecognitionEvents() {
46        return mActivityRecognitionEvents;
47    }
48
49    public static final Creator<ActivityChangedEvent> CREATOR =
50            new Creator<ActivityChangedEvent>() {
51        @Override
52        public ActivityChangedEvent createFromParcel(Parcel source) {
53            int activityRecognitionEventsLength = source.readInt();
54            ActivityRecognitionEvent[] activityRecognitionEvents =
55                    new ActivityRecognitionEvent[activityRecognitionEventsLength];
56            source.readTypedArray(activityRecognitionEvents, ActivityRecognitionEvent.CREATOR);
57
58            return new ActivityChangedEvent(activityRecognitionEvents);
59        }
60
61        @Override
62        public ActivityChangedEvent[] newArray(int size) {
63            return new ActivityChangedEvent[size];
64        }
65    };
66
67    @Override
68    public int describeContents() {
69        return 0;
70    }
71
72    @Override
73    public void writeToParcel(Parcel parcel, int flags) {
74        ActivityRecognitionEvent[] activityRecognitionEventArray =
75                mActivityRecognitionEvents.toArray(new ActivityRecognitionEvent[0]);
76        parcel.writeInt(activityRecognitionEventArray.length);
77        parcel.writeTypedArray(activityRecognitionEventArray, flags);
78    }
79
80    @Override
81    public String toString() {
82        StringBuilder builder = new StringBuilder("[ ActivityChangedEvent:");
83
84        for (ActivityRecognitionEvent event : mActivityRecognitionEvents) {
85            builder.append("\n    ");
86            builder.append(event.toString());
87        }
88        builder.append("\n]");
89
90        return builder.toString();
91    }
92}
93