1 /*
2  * Copyright (C) 2018 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.appinfo;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 import android.content.pm.ApplicationInfo;
22 import android.content.pm.PackageManager;
23 import android.content.pm.ResolveInfo;
24 import android.provider.Settings;
25 import android.text.TextUtils;
26 
27 import androidx.annotation.VisibleForTesting;
28 import androidx.preference.Preference;
29 import androidx.preference.PreferenceScreen;
30 
31 import com.android.settings.applications.ApplicationFeatureProvider;
32 import com.android.settings.core.LiveDataController;
33 import com.android.settings.overlay.FeatureFactory;
34 import com.android.settingslib.applications.AppUtils;
35 import com.android.settingslib.applications.ApplicationsState;
36 
37 import java.util.List;
38 
39 /**
40  * To Retrieve the time consumption of the application.
41  */
42 public class TimeSpentInAppPreferenceController extends LiveDataController {
43     @VisibleForTesting
44     static final Intent SEE_TIME_IN_APP_TEMPLATE = new Intent(Settings.ACTION_APP_USAGE_SETTINGS);
45 
46     private final PackageManager mPackageManager;
47     private final ApplicationFeatureProvider mAppFeatureProvider;
48     private Intent mIntent;
49     private String mPackageName;
50     protected AppInfoDashboardFragment mParent;
51     protected ApplicationsState.AppEntry mAppEntry;
52 
TimeSpentInAppPreferenceController(Context context, String preferenceKey)53     public TimeSpentInAppPreferenceController(Context context, String preferenceKey) {
54         super(context, preferenceKey);
55         mPackageManager = context.getPackageManager();
56         mAppFeatureProvider = FeatureFactory.getFeatureFactory()
57                 .getApplicationFeatureProvider();
58     }
59 
setPackageName(String packageName)60     public void setPackageName(String packageName) {
61         mPackageName = packageName;
62         mIntent = new Intent(SEE_TIME_IN_APP_TEMPLATE)
63                 .setPackage(mPackageManager.getWellbeingPackageName())
64                 .putExtra(Intent.EXTRA_PACKAGE_NAME, mPackageName);
65     }
66 
67     /**
68      * Set a parent fragment for this controller.
69      */
setParentFragment(AppInfoDashboardFragment parent)70     public void setParentFragment(AppInfoDashboardFragment parent) {
71         mParent = parent;
72         mAppEntry = mParent.getAppEntry();
73     }
74 
75     @Override
getAvailabilityStatus()76     public int getAvailabilityStatus() {
77         if (TextUtils.isEmpty(mPackageName)) {
78             return UNSUPPORTED_ON_DEVICE;
79         }
80         final List<ResolveInfo> resolved = mPackageManager.queryIntentActivities(mIntent,
81                 0 /* flags */);
82         if (resolved == null || resolved.isEmpty()) {
83             return UNSUPPORTED_ON_DEVICE;
84         }
85         for (ResolveInfo info : resolved) {
86             if (isSystemApp(info)) {
87                 return AVAILABLE;
88             }
89         }
90         return UNSUPPORTED_ON_DEVICE;
91     }
92 
93     @Override
displayPreference(PreferenceScreen screen)94     public void displayPreference(PreferenceScreen screen) {
95         super.displayPreference(screen);
96         final Preference pref = screen.findPreference(getPreferenceKey());
97         if (pref != null) {
98             pref.setIntent(mIntent);
99         }
100         pref.setEnabled(AppUtils.isAppInstalled(mAppEntry));
101     }
102 
103     @Override
getSummaryTextInBackground()104     protected CharSequence getSummaryTextInBackground() {
105         return mAppFeatureProvider.getTimeSpentInApp(mPackageName);
106     }
107 
isSystemApp(ResolveInfo info)108     private boolean isSystemApp(ResolveInfo info) {
109         return info != null
110                 && info.activityInfo != null
111                 && info.activityInfo.applicationInfo != null
112                 && (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
113     }
114 }
115