1 /* 2 * Copyright (C) 2012 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.app.Activity; 20 import android.app.ActivityManager; 21 import android.app.INotificationManager; 22 import android.app.Notification; 23 import android.content.ComponentName; 24 import android.content.Context; 25 import android.content.Intent; 26 import android.content.pm.ApplicationInfo; 27 import android.content.pm.PackageManager; 28 import android.content.res.Resources; 29 import android.graphics.drawable.Drawable; 30 import android.net.Uri; 31 import android.os.Bundle; 32 import android.os.Handler; 33 import android.os.RemoteException; 34 import android.os.ServiceManager; 35 import android.os.UserHandle; 36 import android.service.notification.NotificationListenerService; 37 import android.service.notification.StatusBarNotification; 38 import android.util.Log; 39 import android.view.LayoutInflater; 40 import android.view.View; 41 import android.view.View.OnClickListener; 42 import android.view.ViewGroup; 43 import android.widget.ArrayAdapter; 44 import android.widget.DateTimeView; 45 import android.widget.ImageView; 46 import android.widget.ListView; 47 import android.widget.TextView; 48 49 import com.android.settings.R; 50 import com.android.settings.SettingsPreferenceFragment; 51 import com.android.settings.Utils; 52 53 import java.util.ArrayList; 54 import java.util.Comparator; 55 import java.util.List; 56 57 public class NotificationStation extends SettingsPreferenceFragment { 58 private static final String TAG = NotificationStation.class.getSimpleName(); 59 60 private static final boolean DEBUG = false; 61 62 private static class HistoricalNotificationInfo { 63 public String pkg; 64 public Drawable pkgicon; 65 public CharSequence pkgname; 66 public Drawable icon; 67 public CharSequence title; 68 public int priority; 69 public int user; 70 public long timestamp; 71 public boolean active; 72 } 73 74 private PackageManager mPm; 75 private INotificationManager mNoMan; 76 77 private Runnable mRefreshListRunnable = new Runnable() { 78 @Override 79 public void run() { 80 refreshList(); 81 } 82 }; 83 84 private NotificationListenerService mListener = new NotificationListenerService() { 85 @Override 86 public void onNotificationPosted(StatusBarNotification notification) { 87 logd("onNotificationPosted: %s", notification); 88 final Handler h = getListView().getHandler(); 89 h.removeCallbacks(mRefreshListRunnable); 90 h.postDelayed(mRefreshListRunnable, 100); 91 } 92 93 @Override 94 public void onNotificationRemoved(StatusBarNotification notification) { 95 final Handler h = getListView().getHandler(); 96 h.removeCallbacks(mRefreshListRunnable); 97 h.postDelayed(mRefreshListRunnable, 100); 98 } 99 }; 100 101 private NotificationHistoryAdapter mAdapter; 102 private Context mContext; 103 104 private final Comparator<HistoricalNotificationInfo> mNotificationSorter 105 = new Comparator<HistoricalNotificationInfo>() { 106 @Override 107 public int compare(HistoricalNotificationInfo lhs, 108 HistoricalNotificationInfo rhs) { 109 return (int)(rhs.timestamp - lhs.timestamp); 110 } 111 }; 112 113 @Override 114 public void onAttach(Activity activity) { 115 logd("onAttach(%s)", activity.getClass().getSimpleName()); 116 super.onAttach(activity); 117 mContext = activity; 118 mPm = mContext.getPackageManager(); 119 mNoMan = INotificationManager.Stub.asInterface( 120 ServiceManager.getService(Context.NOTIFICATION_SERVICE)); 121 try { 122 mListener.registerAsSystemService(mContext, new ComponentName(mContext.getPackageName(), 123 this.getClass().getCanonicalName()), ActivityManager.getCurrentUser()); 124 } catch (RemoteException e) { 125 Log.e(TAG, "Cannot register listener", e); 126 } 127 } 128 129 @Override 130 public void onDetach() { 131 try { 132 mListener.unregisterAsSystemService(); 133 } catch (RemoteException e) { 134 Log.e(TAG, "Cannot unregister listener", e); 135 } 136 super.onDetach(); 137 } 138 139 @Override 140 public void onActivityCreated(Bundle savedInstanceState) { 141 logd("onActivityCreated(%s)", savedInstanceState); 142 super.onActivityCreated(savedInstanceState); 143 144 ListView listView = getListView(); 145 Utils.forceCustomPadding(listView, false /* non additive padding */); 146 147 mAdapter = new NotificationHistoryAdapter(mContext); 148 listView.setAdapter(mAdapter); 149 } 150 151 @Override 152 public void onResume() { 153 logd("onResume()"); 154 super.onResume(); 155 refreshList(); 156 } 157 158 private void refreshList() { 159 List<HistoricalNotificationInfo> infos = loadNotifications(); 160 if (infos != null) { 161 logd("adding %d infos", infos.size()); 162 mAdapter.clear(); 163 mAdapter.addAll(infos); 164 mAdapter.sort(mNotificationSorter); 165 } 166 } 167 168 private static void logd(String msg, Object... args) { 169 if (DEBUG) { 170 Log.d(TAG, args == null || args.length == 0 ? msg : String.format(msg, args)); 171 } 172 } 173 174 private List<HistoricalNotificationInfo> loadNotifications() { 175 final int currentUserId = ActivityManager.getCurrentUser(); 176 try { 177 StatusBarNotification[] active = mNoMan.getActiveNotifications( 178 mContext.getPackageName()); 179 StatusBarNotification[] dismissed = mNoMan.getHistoricalNotifications( 180 mContext.getPackageName(), 50); 181 182 List<HistoricalNotificationInfo> list 183 = new ArrayList<HistoricalNotificationInfo>(active.length + dismissed.length); 184 185 for (StatusBarNotification[] resultset 186 : new StatusBarNotification[][] { active, dismissed }) { 187 for (StatusBarNotification sbn : resultset) { 188 final HistoricalNotificationInfo info = new HistoricalNotificationInfo(); 189 info.pkg = sbn.getPackageName(); 190 info.user = sbn.getUserId(); 191 info.icon = loadIconDrawable(info.pkg, info.user, sbn.getNotification().icon); 192 info.pkgicon = loadPackageIconDrawable(info.pkg, info.user); 193 info.pkgname = loadPackageName(info.pkg); 194 if (sbn.getNotification().extras != null) { 195 info.title = sbn.getNotification().extras.getString( 196 Notification.EXTRA_TITLE); 197 if (info.title == null || "".equals(info.title)) { 198 info.title = sbn.getNotification().extras.getString( 199 Notification.EXTRA_TEXT); 200 } 201 } 202 if (info.title == null || "".equals(info.title)) { 203 info.title = sbn.getNotification().tickerText; 204 } 205 // still nothing? come on, give us something! 206 if (info.title == null || "".equals(info.title)) { 207 info.title = info.pkgname; 208 } 209 info.timestamp = sbn.getPostTime(); 210 info.priority = sbn.getNotification().priority; 211 logd(" [%d] %s: %s", info.timestamp, info.pkg, info.title); 212 213 info.active = (resultset == active); 214 215 if (info.user == UserHandle.USER_ALL 216 || info.user == currentUserId) { 217 list.add(info); 218 } 219 } 220 } 221 222 return list; 223 } catch (RemoteException e) { 224 Log.e(TAG, "Cannot load Notifications: ", e); 225 } 226 return null; 227 } 228 229 private Resources getResourcesForUserPackage(String pkg, int userId) { 230 Resources r = null; 231 232 if (pkg != null) { 233 try { 234 if (userId == UserHandle.USER_ALL) { 235 userId = UserHandle.USER_OWNER; 236 } 237 r = mPm.getResourcesForApplicationAsUser(pkg, userId); 238 } catch (PackageManager.NameNotFoundException ex) { 239 Log.e(TAG, "Icon package not found: " + pkg, ex); 240 return null; 241 } 242 } else { 243 r = mContext.getResources(); 244 } 245 return r; 246 } 247 248 private Drawable loadPackageIconDrawable(String pkg, int userId) { 249 Drawable icon = null; 250 try { 251 icon = mPm.getApplicationIcon(pkg); 252 } catch (PackageManager.NameNotFoundException e) { 253 Log.e(TAG, "Cannot get application icon", e); 254 } 255 256 return icon; 257 } 258 259 private CharSequence loadPackageName(String pkg) { 260 try { 261 ApplicationInfo info = mPm.getApplicationInfo(pkg, 262 PackageManager.GET_UNINSTALLED_PACKAGES); 263 if (info != null) return mPm.getApplicationLabel(info); 264 } catch (PackageManager.NameNotFoundException e) { 265 Log.e(TAG, "Cannot load package name", e); 266 } 267 return pkg; 268 } 269 270 private Drawable loadIconDrawable(String pkg, int userId, int resId) { 271 Resources r = getResourcesForUserPackage(pkg, userId); 272 273 if (resId == 0) { 274 return null; 275 } 276 277 try { 278 return r.getDrawable(resId); 279 } catch (RuntimeException e) { 280 Log.w(TAG, "Icon not found in " 281 + (pkg != null ? resId : "<system>") 282 + ": " + Integer.toHexString(resId), e); 283 } 284 285 return null; 286 } 287 288 private class NotificationHistoryAdapter extends ArrayAdapter<HistoricalNotificationInfo> { 289 private final LayoutInflater mInflater; 290 291 public NotificationHistoryAdapter(Context context) { 292 super(context, 0); 293 mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 294 } 295 296 @Override 297 public View getView(int position, View convertView, ViewGroup parent) { 298 final HistoricalNotificationInfo info = getItem(position); 299 logd("getView(%s/%s)", info.pkg, info.title); 300 301 final View row = convertView != null ? convertView : createRow(parent); 302 row.setTag(info); 303 304 // bind icon 305 if (info.icon != null) { 306 ((ImageView) row.findViewById(android.R.id.icon)).setImageDrawable(info.icon); 307 } 308 if (info.pkgicon != null) { 309 ((ImageView) row.findViewById(R.id.pkgicon)).setImageDrawable(info.pkgicon); 310 } 311 312 ((DateTimeView) row.findViewById(R.id.timestamp)).setTime(info.timestamp); 313 ((TextView) row.findViewById(android.R.id.title)).setText(info.title); 314 ((TextView) row.findViewById(R.id.pkgname)).setText(info.pkgname); 315 316 row.findViewById(R.id.extra).setVisibility(View.GONE); 317 row.setAlpha(info.active ? 1.0f : 0.5f); 318 319 // set up click handler 320 row.setOnClickListener(new OnClickListener(){ 321 @Override 322 public void onClick(View v) { 323 v.setPressed(true); 324 startApplicationDetailsActivity(info.pkg); 325 }}); 326 327 return row; 328 } 329 330 private View createRow(ViewGroup parent) { 331 return mInflater.inflate(R.layout.notification_log_row, parent, false); 332 } 333 334 } 335 336 private void startApplicationDetailsActivity(String packageName) { 337 Intent intent = new Intent(android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 338 Uri.fromParts("package", packageName, null)); 339 intent.setComponent(intent.resolveActivity(mPm)); 340 startActivity(intent); 341 } 342 } 343
