1 /*
2  * Copyright (C) 2022 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.service.credentials;
18 
19 import android.annotation.NonNull;
20 import android.app.PendingIntent;
21 import android.app.slice.Slice;
22 import android.os.Parcel;
23 import android.os.Parcelable;
24 
25 /**
26  * An entry to be shown on the UI. This entry represents remote execution of a get/create flow
27  * whereby credentials are retrieved from, or stored to a remote device.
28  *
29  * <p>If user selects this entry, the corresponding {@link PendingIntent} set on the
30  * {@code slice} as a {@link androidx.slice.core.SliceAction} will get invoked.
31  * Once the resulting activity fulfills the required user engagement,
32  * the {@link android.app.Activity} result should be set to {@link android.app.Activity#RESULT_OK},
33  * and the result of the operation must be set as the activity result.
34  *
35  * For a get flow, invoked through {@link CredentialProviderService#onBeginGetCredential},
36  * providers must set a {@link android.credentials.GetCredentialResponse} on the activity result,
37  * against the key {@link CredentialProviderService#EXTRA_GET_CREDENTIAL_RESPONSE}.
38  *
39  * For a creates flow, invoked through {@link CredentialProviderService#onBeginCreateCredential},
40  * providers must set a {@link android.credentials.CreateCredentialResponse} on the activity
41  * result against the ket {@link CredentialProviderService#EXTRA_CREATE_CREDENTIAL_RESPONSE}.
42  */
43 public final class RemoteEntry implements Parcelable {
44     private final @NonNull Slice mSlice;
45 
RemoteEntry(@onNull Parcel in)46     private RemoteEntry(@NonNull Parcel in) {
47         mSlice = in.readTypedObject(Slice.CREATOR);
48     }
49 
50     @NonNull
51     public static final Creator<RemoteEntry> CREATOR = new Creator<RemoteEntry>() {
52         @Override
53         public RemoteEntry createFromParcel(@NonNull Parcel in) {
54             return new RemoteEntry(in);
55         }
56 
57         @Override
58         public RemoteEntry[] newArray(int size) {
59             return new RemoteEntry[size];
60         }
61     };
62 
63     @Override
describeContents()64     public int describeContents() {
65         return 0;
66     }
67 
68     @Override
writeToParcel(@onNull Parcel dest, int flags)69     public void writeToParcel(@NonNull Parcel dest, int flags) {
70         dest.writeTypedObject(mSlice, flags);
71     }
72 
73     /**
74      * Constructs a RemoteEntry to be displayed on the UI.
75      *
76      * @param slice the slice containing the metadata to be shown on the UI, must be constructed
77      *              through the {@link androidx.credentials.provider} Jetpack library;
78      *              If constructed manually, the {@code slice} object must
79      *              contain the non-null properties of the
80      *              {@link androidx.credentials.provider.RemoteEntry} class populated as slice items
81      *              against specific hints as used in the class's {@code toSlice} method,
82      *              since the Android System uses this library to parse the {@code slice} and
83      *              extract the required attributes
84      */
RemoteEntry( @onNull Slice slice)85     public RemoteEntry(
86             @NonNull Slice slice) {
87         this.mSlice = slice;
88         com.android.internal.util.AnnotationValidations.validate(
89                 NonNull.class, null, mSlice);
90     }
91 
92     /** Returns the content to be displayed with this remote entry on the UI. */
93     @NonNull
getSlice()94     public Slice getSlice() {
95         return mSlice;
96     }
97 }
98