1 /* 2 * Copyright (C) 2015 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.notification; 18 19 import android.annotation.Nullable; 20 import android.app.AlertDialog; 21 import android.app.Dialog; 22 import android.app.DialogFragment; 23 import android.app.NotificationManager; 24 import android.content.ComponentName; 25 import android.content.Context; 26 import android.content.DialogInterface; 27 import android.content.pm.ApplicationInfo; 28 import android.content.pm.PackageItemInfo; 29 import android.content.pm.PackageManager; 30 import android.database.ContentObserver; 31 import android.net.Uri; 32 import android.os.AsyncTask; 33 import android.os.Bundle; 34 import android.os.Handler; 35 import android.os.Looper; 36 import android.provider.Settings; 37 import android.provider.Settings.Secure; 38 import android.support.v14.preference.SwitchPreference; 39 import android.support.v7.preference.Preference; 40 import android.support.v7.preference.Preference.OnPreferenceChangeListener; 41 import android.support.v7.preference.PreferenceScreen; 42 import android.text.TextUtils; 43 import android.util.ArraySet; 44 import android.view.View; 45 import android.widget.Toast; 46 47 import com.android.internal.logging.MetricsProto.MetricsEvent; 48 import com.android.settings.R; 49 50 import java.util.ArrayList; 51 import java.util.Collections; 52 import java.util.List; 53 54 public class ZenAccessSettings extends EmptyTextSettings { 55 56 private final SettingObserver mObserver = new SettingObserver(); 57 private static final String ENABLED_SERVICES_SEPARATOR = ":"; 58 59 private Context mContext; 60 private PackageManager mPkgMan; 61 private NotificationManager mNoMan; 62 63 @Override 64 protected int getMetricsCategory() { 65 return MetricsEvent.NOTIFICATION_ZEN_MODE_ACCESS; 66 } 67 68 @Override 69 public void onCreate(Bundle icicle) { 70 super.onCreate(icicle); 71 72 mContext = getActivity(); 73 mPkgMan = mContext.getPackageManager(); 74 mNoMan = mContext.getSystemService(NotificationManager.class); 75 setPreferenceScreen(getPreferenceManager().createPreferenceScreen(mContext)); 76 } 77 78 @Override 79 public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { 80 super.onViewCreated(view, savedInstanceState); 81 setEmptyText(R.string.zen_access_empty_text); 82 } 83 84 @Override 85 public void onResume() { 86 super.onResume(); 87 reloadList(); 88 getContentResolver().registerContentObserver( 89 Secure.getUriFor(Secure.ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES), false, 90 mObserver); 91 getContentResolver().registerContentObserver( 92 Secure.getUriFor(Secure.ENABLED_NOTIFICATION_LISTENERS), false, 93 mObserver); 94 } 95 96 @Override 97 public void onPause() { 98 super.onPause(); 99 getContentResolver().unregisterContentObserver(mObserver); 100 } 101 102 private void reloadList() { 103 final PreferenceScreen screen = getPreferenceScreen(); 104 screen.removeAll(); 105 final ArrayList<ApplicationInfo> apps = new ArrayList<>(); 106 final ArraySet<String> requesting = mNoMan.getPackagesRequestingNotificationPolicyAccess(); 107 if (!requesting.isEmpty()) { 108 final List<ApplicationInfo> installed = mPkgMan.getInstalledApplications(0); 109 if (installed != null) { 110 for (ApplicationInfo app : installed) { 111 if (requesting.contains(app.packageName)) { 112 apps.add(app); 113 } 114 } 115 } 116 } 117 ArraySet<String> autoApproved = getEnabledNotificationListeners(); 118 requesting.addAll(autoApproved); 119 Collections.sort(apps, new PackageItemInfo.DisplayNameComparator(mPkgMan)); 120 for (ApplicationInfo app : apps) { 121 final String pkg = app.packageName; 122 final CharSequence label = app.loadLabel(mPkgMan); 123 final SwitchPreference pref = new SwitchPreference(getPrefContext()); 124 pref.setPersistent(false); 125 pref.setIcon(app.loadIcon(mPkgMan)); 126 pref.setTitle(label); 127 pref.setChecked(hasAccess(pkg)); 128 if (autoApproved.contains(pkg)) { 129 pref.setEnabled(false); 130 pref.setSummary(getString(R.string.zen_access_disabled_package_warning)); 131 } 132 pref.setOnPreferenceChangeListener(new OnPreferenceChangeListener() { 133 @Override 134 public boolean onPreferenceChange(Preference preference, Object newValue) { 135 final boolean access = (Boolean) newValue; 136 if (access) { 137 new ScaryWarningDialogFragment() 138 .setPkgInfo(pkg, label) 139 .show(getFragmentManager(), "dialog"); 140 } else { 141 new FriendlyWarningDialogFragment() 142 .setPkgInfo(pkg, label) 143 .show(getFragmentManager(), "dialog"); 144 } 145 return false; 146 } 147 }); 148 screen.addPreference(pref); 149 } 150 } 151 152 private ArraySet<String> getEnabledNotificationListeners() { 153 ArraySet<String> packages = new ArraySet<>(); 154 String settingValue = Settings.Secure.getString(getContext().getContentResolver(), 155 Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); 156 if (!TextUtils.isEmpty(settingValue)) { 157 String[] restored = settingValue.split(ENABLED_SERVICES_SEPARATOR); 158 for (int i = 0; i < restored.length; i++) { 159 ComponentName value = ComponentName.unflattenFromString(restored[i]); 160 if (null != value) { 161 packages.add(value.getPackageName()); 162 } 163 } 164 } 165 return packages; 166 } 167 168 private boolean hasAccess(String pkg) { 169 return mNoMan.isNotificationPolicyAccessGrantedForPackage(pkg); 170 } 171 172 private static void setAccess(final Context context, final String pkg, final boolean access) { 173 AsyncTask.execute(new Runnable() { 174 @Override 175 public void run() { 176 final NotificationManager mgr = context.getSystemService(NotificationManager.class); 177 mgr.setNotificationPolicyAccessGranted(pkg, access); 178 } 179 }); 180 } 181 182 private static void deleteRules(final Context context, final String pkg) { 183 AsyncTask.execute(new Runnable() { 184 @Override 185 public void run() { 186 final NotificationManager mgr = context.getSystemService(NotificationManager.class); 187 mgr.removeAutomaticZenRules(pkg); 188 } 189 }); 190 } 191 192 private final class SettingObserver extends ContentObserver { 193 public SettingObserver() { 194 super(new Handler(Looper.getMainLooper())); 195 } 196 197 @Override 198 public void onChange(boolean selfChange, Uri uri) { 199 reloadList(); 200 } 201 } 202 203 /** 204 * Warning dialog when allowing zen access warning about the privileges being granted. 205 */ 206 public static class ScaryWarningDialogFragment extends DialogFragment { 207 static final String KEY_PKG = "p"; 208 static final String KEY_LABEL = "l"; 209 210 public ScaryWarningDialogFragment setPkgInfo(String pkg, CharSequence label) { 211 Bundle args = new Bundle(); 212 args.putString(KEY_PKG, pkg); 213 args.putString(KEY_LABEL, TextUtils.isEmpty(label) ? pkg : label.toString()); 214 setArguments(args); 215 return this; 216 } 217 218 @Override 219 public Dialog onCreateDialog(Bundle savedInstanceState) { 220 super.onCreate(savedInstanceState); 221 final Bundle args = getArguments(); 222 final String pkg = args.getString(KEY_PKG); 223 final String label = args.getString(KEY_LABEL); 224 225 final String title = getResources().getString(R.string.zen_access_warning_dialog_title, 226 label); 227 final String summary = getResources() 228 .getString(R.string.zen_access_warning_dialog_summary); 229 return new AlertDialog.Builder(getContext()) 230 .setMessage(summary) 231 .setTitle(title) 232 .setCancelable(true) 233 .setPositiveButton(R.string.allow, 234 new DialogInterface.OnClickListener() { 235 public void onClick(DialogInterface dialog, int id) { 236 setAccess(getContext(), pkg, true); 237 } 238 }) 239 .setNegativeButton(R.string.deny, 240 new DialogInterface.OnClickListener() { 241 public void onClick(DialogInterface dialog, int id) { 242 // pass 243 } 244 }) 245 .create(); 246 } 247 } 248 249 /** 250 * Warning dialog when revoking zen access warning that zen rule instances will be deleted. 251 */ 252 public static class FriendlyWarningDialogFragment extends DialogFragment { 253 static final String KEY_PKG = "p"; 254 static final String KEY_LABEL = "l"; 255 256 public FriendlyWarningDialogFragment setPkgInfo(String pkg, CharSequence label) { 257 Bundle args = new Bundle(); 258 args.putString(KEY_PKG, pkg); 259 args.putString(KEY_LABEL, TextUtils.isEmpty(label) ? pkg : label.toString()); 260 setArguments(args); 261 return this; 262 } 263 264 @Override 265 public Dialog onCreateDialog(Bundle savedInstanceState) { 266 super.onCreate(savedInstanceState); 267 final Bundle args = getArguments(); 268 final String pkg = args.getString(KEY_PKG); 269 final String label = args.getString(KEY_LABEL); 270 271 final String title = getResources().getString( 272 R.string.zen_access_revoke_warning_dialog_title, label); 273 final String summary = getResources() 274 .getString(R.string.zen_access_revoke_warning_dialog_summary); 275 return new AlertDialog.Builder(getContext()) 276 .setMessage(summary) 277 .setTitle(title) 278 .setCancelable(true) 279 .setPositiveButton(R.string.okay, 280 new DialogInterface.OnClickListener() { 281 public void onClick(DialogInterface dialog, int id) { 282 deleteRules(getContext(), pkg); 283 setAccess(getContext(), pkg, false); 284 } 285 }) 286 .setNegativeButton(R.string.cancel, 287 new DialogInterface.OnClickListener() { 288 public void onClick(DialogInterface dialog, int id) { 289 // pass 290 } 291 }) 292 .create(); 293 } 294 } 295 } 296
