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.app;
18
19import android.os.Parcel;
20import android.os.Parcelable;
21import android.os.ParcelFileDescriptor;
22
23/**
24 * System private API for passing profiler settings.
25 *
26 * {@hide}
27 */
28public class ProfilerInfo implements Parcelable {
29
30    /* Name of profile output file. */
31    public final String profileFile;
32
33    /* File descriptor for profile output file, can be null. */
34    public ParcelFileDescriptor profileFd;
35
36    /* Indicates sample profiling when nonzero, interval in microseconds. */
37    public final int samplingInterval;
38
39    /* Automatically stop the profiler when the app goes idle. */
40    public final boolean autoStopProfiler;
41
42    public ProfilerInfo(String filename, ParcelFileDescriptor fd, int interval, boolean autoStop) {
43        profileFile = filename;
44        profileFd = fd;
45        samplingInterval = interval;
46        autoStopProfiler = autoStop;
47    }
48
49    public int describeContents() {
50        if (profileFd != null) {
51            return profileFd.describeContents();
52        } else {
53            return 0;
54        }
55    }
56
57    public void writeToParcel(Parcel out, int flags) {
58        out.writeString(profileFile);
59        if (profileFd != null) {
60            out.writeInt(1);
61            profileFd.writeToParcel(out, flags);
62        } else {
63            out.writeInt(0);
64        }
65        out.writeInt(samplingInterval);
66        out.writeInt(autoStopProfiler ? 1 : 0);
67    }
68
69    public static final Parcelable.Creator<ProfilerInfo> CREATOR =
70            new Parcelable.Creator<ProfilerInfo>() {
71        public ProfilerInfo createFromParcel(Parcel in) {
72            return new ProfilerInfo(in);
73        }
74
75        public ProfilerInfo[] newArray(int size) {
76            return new ProfilerInfo[size];
77        }
78    };
79
80    private ProfilerInfo(Parcel in) {
81        profileFile = in.readString();
82        profileFd = in.readInt() != 0 ? ParcelFileDescriptor.CREATOR.createFromParcel(in) : null;
83        samplingInterval = in.readInt();
84        autoStopProfiler = in.readInt() != 0;
85    }
86}
87