ApplicationFeatureProvider.java revision b836da263d8559255c528fe68410649d979cf123 
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
17package com.android.settings.applications;
18
19import com.android.settings.applications.instantapps.InstantAppButtonsController;
20
21import android.app.Fragment;
22import android.content.Intent;
23import android.view.View;
24
25import java.util.Set;
26
27public interface ApplicationFeatureProvider {
28
29    /**
30     * Returns a new {@link AppHeaderController} instance to customize app header.
31     */
32    AppHeaderController newAppHeaderController(Fragment fragment, View appHeader);
33
34    /**
35     *
36     *  Returns a new {@link InstantAppButtonsController} instance for showing buttons
37     *  only relevant to instant apps.
38     */
39    InstantAppButtonsController newInstantAppButtonsController(Fragment fragment,
40            View view);
41
42    /**
43     * Calculates the total number of apps installed on the device via policy in the current user
44     * and all its managed profiles.
45     *
46     * @param async Whether to count asynchronously in a background thread
47     * @param callback The callback to invoke with the result
48     */
49    void calculateNumberOfPolicyInstalledApps(boolean async, NumberOfAppsCallback callback);
50
51    /**
52     * Asynchronously calculates the total number of apps installed in the current user and all its
53     * managed profiles that have been granted one or more of the given permissions by the admin.
54     *
55     * @param permissions Only consider apps that have been granted one or more of these permissions
56     *        by the admin, either at run-time or install-time
57     * @param async Whether to count asynchronously in a background thread
58     * @param callback The callback to invoke with the result
59     */
60    void calculateNumberOfAppsWithAdminGrantedPermissions(String[] permissions, boolean async,
61            NumberOfAppsCallback callback);
62
63    /**
64     * Return the persistent preferred activities configured by the admin for the current user and
65     * all its managed profiles. A persistent preferred activity is an activity that the admin
66     * configured to always handle a given intent (e.g. open browser), even if the user has other
67     * apps installed that would also be able to handle the intent.
68     *
69     * @param intent The intents for which to find persistent preferred activities
70     *
71     * @return the persistent preferred activites for the given intent
72     */
73    Set<PersistentPreferredActivityInfo> findPersistentPreferredActivities(Intent[] intents);
74
75    /**
76     * Callback that receives the number of packages installed on the device.
77     */
78    interface NumberOfAppsCallback {
79        void onNumberOfAppsResult(int num);
80    }
81
82    public static class PersistentPreferredActivityInfo {
83        public final String packageName;
84        public final int userId;
85
86        public PersistentPreferredActivityInfo(String packageName, int userId) {
87            this.packageName = packageName;
88            this.userId = userId;
89        }
90
91        @Override
92        public boolean equals(Object other) {
93            if (!(other instanceof PersistentPreferredActivityInfo)) {
94                return false;
95            }
96            final PersistentPreferredActivityInfo otherActivityInfo
97                    = (PersistentPreferredActivityInfo) other;
98            return otherActivityInfo.packageName.equals(packageName)
99                    && otherActivityInfo.userId == userId;
100        }
101
102        @Override
103        public int hashCode() {
104            return packageName.hashCode() ^ userId;
105        }
106    }
107}
108