1 /*
2  * Copyright (C) 2013 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 
17 package android.hardware.input;
18 
19 import android.annotation.NonNull;
20 import android.annotation.Nullable;
21 import android.annotation.TestApi;
22 import android.os.Parcel;
23 import android.os.Parcelable;
24 import android.text.TextUtils;
25 
26 import java.util.Objects;
27 
28 /**
29  * Wrapper for passing identifying information for input devices.
30  *
31  * @hide
32  */
33 @TestApi
34 public final class InputDeviceIdentifier implements Parcelable {
35     private final String mDescriptor;
36     private final int mVendorId;
37     private final int mProductId;
38 
InputDeviceIdentifier(@onNull String descriptor, int vendorId, int productId)39     public InputDeviceIdentifier(@NonNull String descriptor, int vendorId, int productId) {
40         this.mDescriptor = descriptor;
41         this.mVendorId = vendorId;
42         this.mProductId = productId;
43     }
44 
InputDeviceIdentifier(Parcel src)45     private InputDeviceIdentifier(Parcel src) {
46         mDescriptor = src.readString();
47         mVendorId = src.readInt();
48         mProductId = src.readInt();
49     }
50 
51     @Override
describeContents()52     public int describeContents() {
53         return 0;
54     }
55 
56     @Override
writeToParcel(@onNull Parcel dest, int flags)57     public void writeToParcel(@NonNull Parcel dest, int flags) {
58         dest.writeString(mDescriptor);
59         dest.writeInt(mVendorId);
60         dest.writeInt(mProductId);
61     }
62 
63     @NonNull
getDescriptor()64     public String getDescriptor() {
65         return mDescriptor;
66     }
67 
getVendorId()68     public int getVendorId() {
69         return mVendorId;
70     }
71 
getProductId()72     public int getProductId() {
73         return mProductId;
74     }
75 
76     @Override
equals(@ullable Object o)77     public boolean equals(@Nullable Object o) {
78         if (this == o) return true;
79         if (o == null || !(o instanceof InputDeviceIdentifier)) return false;
80 
81         final InputDeviceIdentifier that = (InputDeviceIdentifier) o;
82         return ((mVendorId == that.mVendorId) && (mProductId == that.mProductId)
83                 && TextUtils.equals(mDescriptor, that.mDescriptor));
84     }
85 
86     @Override
hashCode()87     public int hashCode() {
88         return Objects.hash(mDescriptor, mVendorId, mProductId);
89     }
90 
91     @Override
toString()92     public String toString() {
93         return "InputDeviceIdentifier: vendorId: " + mVendorId + ", productId: " + mProductId
94                 + ", descriptor: " + mDescriptor;
95     }
96 
97     public static final @android.annotation.NonNull Parcelable.Creator<InputDeviceIdentifier> CREATOR =
98             new Parcelable.Creator<InputDeviceIdentifier>() {
99 
100         @Override
101         public InputDeviceIdentifier createFromParcel(Parcel source) {
102             return new InputDeviceIdentifier(source);
103         }
104 
105         @Override
106         public InputDeviceIdentifier[] newArray(int size) {
107             return new InputDeviceIdentifier[size];
108         }
109 
110     };
111 }
112