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