1 /*
2  * Copyright (C) 2017 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.systemui;
18 
19 import android.annotation.NonNull;
20 import android.annotation.Nullable;
21 import android.content.Context;
22 import android.content.DialogInterface;
23 import android.content.Intent;
24 import android.content.pm.ApplicationInfo;
25 import android.content.pm.PackageManager;
26 import android.net.Uri;
27 import android.os.Bundle;
28 import android.provider.Settings;
29 import android.util.IconDrawableFactory;
30 import android.util.Log;
31 import android.view.LayoutInflater;
32 import android.view.View;
33 import android.view.ViewGroup;
34 import android.widget.AdapterView;
35 import android.widget.ArrayAdapter;
36 import android.widget.ImageView;
37 import android.widget.ListView;
38 import android.widget.TextView;
39 
40 import com.android.internal.app.AlertActivity;
41 import com.android.internal.app.AlertController;
42 import com.android.internal.logging.MetricsLogger;
43 import com.android.internal.logging.nano.MetricsProto;
44 
45 import java.util.ArrayList;
46 
47 import javax.inject.Inject;
48 
49 /**
50  * Show a list of currently running foreground services (supplied by the caller)
51  * that the user can tap through to their application details.
52  */
53 public final class ForegroundServicesDialog extends AlertActivity implements
54         AdapterView.OnItemSelectedListener, DialogInterface.OnClickListener,
55         AlertController.AlertParams.OnPrepareListViewListener {
56 
57     private static final String TAG = "ForegroundServicesDialog";
58 
59     LayoutInflater mInflater;
60 
61     private final MetricsLogger mMetricsLogger;
62 
63     private String[] mPackages;
64     private PackageItemAdapter mAdapter;
65 
66     private DialogInterface.OnClickListener mAppClickListener =
67             new DialogInterface.OnClickListener() {
68                 public void onClick(DialogInterface dialog, int which) {
69                     String pkg = mAdapter.getItem(which).packageName;
70                     Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
71                     intent.setData(Uri.fromParts("package", pkg, null));
72                     startActivity(intent);
73                     finish();
74                 }
75             };
76 
77     @Inject
ForegroundServicesDialog(MetricsLogger metricsLogger)78     ForegroundServicesDialog(MetricsLogger metricsLogger) {
79         super();
80         mMetricsLogger = metricsLogger;
81     }
82 
83     @Override
onCreate(Bundle savedInstanceState)84     protected void onCreate(Bundle savedInstanceState) {
85         super.onCreate(savedInstanceState);
86 
87         mInflater = LayoutInflater.from(this);
88 
89         mAdapter = new PackageItemAdapter(this);
90 
91         final AlertController.AlertParams p = mAlertParams;
92         p.mAdapter = mAdapter;
93         p.mOnClickListener = mAppClickListener;
94         p.mCustomTitleView = mInflater.inflate(R.layout.foreground_service_title, null);
95         p.mIsSingleChoice = true;
96         p.mOnItemSelectedListener = this;
97         p.mPositiveButtonText = getString(com.android.internal.R.string.done_label);
98         p.mPositiveButtonListener = this;
99         p.mOnPrepareListViewListener = this;
100 
101         updateApps(getIntent());
102         if (mPackages == null) {
103             Log.w(TAG, "No packages supplied");
104             finish();
105             return;
106         }
107 
108         setupAlert();
109     }
110 
111     @Override
onResume()112     protected void onResume() {
113         super.onResume();
114         mMetricsLogger.visible(MetricsProto.MetricsEvent.RUNNING_BACKGROUND_APPS_DIALOG);
115     }
116 
117     @Override
onPause()118     protected void onPause() {
119         super.onPause();
120         mMetricsLogger.hidden(MetricsProto.MetricsEvent.RUNNING_BACKGROUND_APPS_DIALOG);
121     }
122 
123     @Override
onNewIntent(Intent intent)124     protected void onNewIntent(Intent intent) {
125         super.onNewIntent(intent);
126         updateApps(intent);
127     }
128 
129     @Override
onStop()130     protected void onStop() {
131         super.onStop();
132 
133         // This is a transient dialog, if the user leaves it then it goes away,
134         // they can return back to it from the notification.
135         if (!isChangingConfigurations()) {
136             finish();
137         }
138     }
139 
updateApps(Intent intent)140     void updateApps(Intent intent) {
141         mPackages = intent.getStringArrayExtra("packages");
142         if (mPackages != null) {
143             mAdapter.setPackages(mPackages);
144         }
145     }
146 
onPrepareListView(ListView listView)147     public void onPrepareListView(ListView listView) {
148     }
149 
150     /*
151      * On click of Ok/Cancel buttons
152      */
onClick(DialogInterface dialog, int which)153     public void onClick(DialogInterface dialog, int which) {
154         finish();
155     }
156 
onItemSelected(AdapterView parent, View view, int position, long id)157     public void onItemSelected(AdapterView parent, View view, int position, long id) {
158     }
159 
onNothingSelected(AdapterView parent)160     public void onNothingSelected(AdapterView parent) {
161     }
162 
163     static private class PackageItemAdapter extends ArrayAdapter<ApplicationInfo> {
164         final PackageManager mPm;
165         final LayoutInflater mInflater;
166         final IconDrawableFactory mIconDrawableFactory;
167 
PackageItemAdapter(Context context)168         public PackageItemAdapter(Context context) {
169             super(context, R.layout.foreground_service_item);
170             mPm = context.getPackageManager();
171             mInflater = LayoutInflater.from(context);
172             mIconDrawableFactory = IconDrawableFactory.newInstance(context, true);
173         }
174 
setPackages(String[] packages)175         public void setPackages(String[] packages) {
176             clear();
177 
178             ArrayList<ApplicationInfo> apps = new ArrayList<>();
179             for (int i = 0; i < packages.length; i++) {
180                 try {
181                     apps.add(mPm.getApplicationInfo(packages[i],
182                             PackageManager.MATCH_KNOWN_PACKAGES));
183                 } catch (PackageManager.NameNotFoundException e) {
184                 }
185             }
186 
187             apps.sort(new ApplicationInfo.DisplayNameComparator(mPm));
188             addAll(apps);
189         }
190 
191         public @NonNull
getView(int position, @Nullable View convertView, @NonNull ViewGroup parent)192         View getView(int position, @Nullable View convertView,
193                 @NonNull ViewGroup parent) {
194             final View view;
195             if (convertView == null) {
196                 view = mInflater.inflate(R.layout.foreground_service_item, parent, false);
197             } else {
198                 view = convertView;
199             }
200 
201             ImageView icon = view.findViewById(R.id.app_icon);
202             icon.setImageDrawable(mIconDrawableFactory.getBadgedIcon(getItem(position)));
203 
204             TextView label = view.findViewById(R.id.app_name);
205             label.setText(getItem(position).loadLabel(mPm));
206 
207             return view;
208         }
209     }
210 }
211