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      1 /*
      2  * Copyright (C) 2016 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.settings.applications;
     18 
     19 import android.annotation.UserIdInt;
     20 import android.app.Fragment;
     21 import android.content.Intent;
     22 import android.view.View;
     23 
     24 import com.android.settings.applications.instantapps.InstantAppButtonsController;
     25 
     26 import java.util.List;
     27 import java.util.Set;
     28 
     29 public interface ApplicationFeatureProvider {
     30 
     31     /**
     32      * Returns a new {@link InstantAppButtonsController} instance for showing buttons
     33      * only relevant to instant apps.
     34      */
     35     InstantAppButtonsController newInstantAppButtonsController(Fragment fragment,
     36             View view, InstantAppButtonsController.ShowDialogDelegate showDialogDelegate);
     37 
     38     /**
     39      * Calculates the total number of apps installed on the device via policy in the current user
     40      * and all its managed profiles.
     41      *
     42      * @param async    Whether to count asynchronously in a background thread
     43      * @param callback The callback to invoke with the result
     44      */
     45     void calculateNumberOfPolicyInstalledApps(boolean async, NumberOfAppsCallback callback);
     46 
     47     /**
     48      * Asynchronously builds the list of apps installed on the device via policy in the current user
     49      * and all its managed profiles.
     50      *
     51      * @param callback The callback to invoke with the result
     52      */
     53     void listPolicyInstalledApps(ListOfAppsCallback callback);
     54 
     55     /**
     56      * Asynchronously calculates the total number of apps installed in the current user and all its
     57      * managed profiles that have been granted one or more of the given permissions by the admin.
     58      *
     59      * @param permissions Only consider apps that have been granted one or more of these
     60      *                    permissions by the admin, either at run-time or install-time
     61      * @param async       Whether to count asynchronously in a background thread
     62      * @param callback    The callback to invoke with the result
     63      */
     64     void calculateNumberOfAppsWithAdminGrantedPermissions(String[] permissions, boolean async,
     65             NumberOfAppsCallback callback);
     66 
     67     /**
     68      * Asynchronously builds the list of apps installed in the current user and all its
     69      * managed profiles that have been granted one or more of the given permissions by the admin.
     70      *
     71      * @param permissions Only consider apps that have been granted one or more of these
     72      *                    permissions by the admin, either at run-time or install-time
     73      * @param callback    The callback to invoke with the result
     74      */
     75     void listAppsWithAdminGrantedPermissions(String[] permissions, ListOfAppsCallback callback);
     76 
     77     /**
     78      * Return the persistent preferred activities configured by the admin for the given user.
     79      * A persistent preferred activity is an activity that the admin configured to always handle a
     80      * given intent (e.g. open browser), even if the user has other apps installed that would also
     81      * be able to handle the intent.
     82      *
     83      * @param userId  ID of the user for which to find persistent preferred activities
     84      * @param intents The intents for which to find persistent preferred activities
     85      * @return the persistent preferred activities for the given intents, ordered first by user id,
     86      * then by package name
     87      */
     88     List<UserAppInfo> findPersistentPreferredActivities(@UserIdInt int userId, Intent[] intents);
     89 
     90     /**
     91      * Returns a list of package names that should be kept enabled.
     92      */
     93     Set<String> getKeepEnabledPackages();
     94 
     95     /**
     96      * Callback that receives the number of packages installed on the device.
     97      */
     98     interface NumberOfAppsCallback {
     99         void onNumberOfAppsResult(int num);
    100     }
    101 
    102     /**
    103      * Callback that receives the list of packages installed on the device.
    104      */
    105     interface ListOfAppsCallback {
    106         void onListOfAppsResult(List<UserAppInfo> result);
    107     }
    108 }
    109