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      1 /*
      2  * Copyright (C) 2019 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 com.android.server.policy;
     18 
     19 import android.annotation.NonNull;
     20 import android.annotation.Nullable;
     21 import android.annotation.UserIdInt;
     22 import android.content.Intent;
     23 
     24 /**
     25  * Internal calls into {@link PermissionPolicyService}.
     26  */
     27 public abstract class PermissionPolicyInternal {
     28 
     29     /**
     30      * Callback for initializing the permission policy service.
     31      */
     32     public interface OnInitializedCallback {
     33 
     34         /**
     35          * Called when initialized for the given user.
     36          *
     37          * @param userId The initialized user.
     38          */
     39         void onInitialized(@UserIdInt int userId);
     40     }
     41 
     42     /**
     43      * Check whether an activity should be started.
     44      *
     45      * @param intent the {@link Intent} for the activity start
     46      * @param callingUid the calling uid starting the activity
     47      * @param callingPackage the calling package starting the activity
     48      *
     49      * @return whether the activity should be started
     50      */
     51     public abstract boolean checkStartActivity(@NonNull Intent intent, int callingUid,
     52             @Nullable String callingPackage);
     53 
     54     /**
     55      * @return Whether the policy is initialized for a user.
     56      */
     57     public abstract boolean isInitialized(@UserIdInt int userId);
     58 
     59     /**
     60      * Set a callback for users being initialized. If the user is already
     61      * initialized the callback will not be invoked.
     62      *
     63      * @param callback The callback to register.
     64      */
     65     public abstract void setOnInitializedCallback(@NonNull OnInitializedCallback callback);
     66 }
     67