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.internal.logging.MetricsLogger; 50 import com.android.settings.R; 51 import com.android.settings.SettingsPreferenceFragment; 52 import com.android.settings.Utils; 53 54 import java.util.ArrayList; 55 import java.util.Comparator; 56 import java.util.List; 57 58 public class NotificationStation extends SettingsPreferenceFragment { 59 private static final String TAG = NotificationStation.class.getSimpleName(); 60 61 private static final boolean DEBUG = false; 62 63 private static class HistoricalNotificationInfo { 64 public String pkg; 65 public Drawable pkgicon; 66 public CharSequence pkgname; 67 public Drawable icon; 68 public CharSequence title; 69 public int priority; 70 public int user; 71 public long timestamp; 72 public boolean active; 73 } 74 75 private PackageManager mPm; 76 private INotificationManager mNoMan; 77 78 private Runnable mRefreshListRunnable = new Runnable() { 79 @Override 80 public void run() { 81 refreshList(); 82 } 83 }; 84 85 private NotificationListenerService mListener = new NotificationListenerService() { 86 @Override 87 public void onNotificationPosted(StatusBarNotification notification) { 88 logd("onNotificationPosted: %s", notification); 89 final Handler h = getListView().getHandler(); 90 h.removeCallbacks(mRefreshListRunnable); 91 h.postDelayed(mRefreshListRunnable, 100); 92 } 93 94 @Override 95 public void onNotificationRemoved(StatusBarNotification notification) { 96 final Handler h = getListView().getHandler(); 97 h.removeCallbacks(mRefreshListRunnable); 98 h.postDelayed(mRefreshListRunnable, 100); 99 } 100 }; 101 102 private NotificationHistoryAdapter mAdapter; 103 private Context mContext; 104 105 private final Comparator<HistoricalNotificationInfo> mNotificationSorter 106 = new Comparator<HistoricalNotificationInfo>() { 107 @Override 108 public int compare(HistoricalNotificationInfo lhs, 109 HistoricalNotificationInfo rhs) { 110 return (int)(rhs.timestamp - lhs.timestamp); 111 } 112 }; 113 114 @Override 115 public void onAttach(Activity activity) { 116 logd("onAttach(%s)", activity.getClass().getSimpleName()); 117 super.onAttach(activity); 118 mContext = activity; 119 mPm = mContext.getPackageManager(); 120 mNoMan = INotificationManager.Stub.asInterface( 121 ServiceManager.getService(Context.NOTIFICATION_SERVICE)); 122 try { 123 mListener.registerAsSystemService(mContext, new ComponentName(mContext.getPackageName(), 124 this.getClass().getCanonicalName()), ActivityManager.getCurrentUser()); 125 } catch (RemoteException e) { 126 Log.e(TAG, "Cannot register listener", e); 127 } 128 } 129 130 @Override 131 public void onDetach() { 132 try { 133 mListener.unregisterAsSystemService(); 134 } catch (RemoteException e) { 135 Log.e(TAG, "Cannot unregister listener", e); 136 } 137 super.onDetach(); 138 } 139 140 @Override 141 protected int getMetricsCategory() { 142 return MetricsLogger.NOTIFICATION_STATION; 143 } 144 145 @Override 146 public void onActivityCreated(Bundle savedInstanceState) { 147 logd("onActivityCreated(%s)", savedInstanceState); 148 super.onActivityCreated(savedInstanceState); 149 150 ListView listView = getListView(); 151 Utils.forceCustomPadding(listView, false /* non additive padding */); 152 153 mAdapter = new NotificationHistoryAdapter(mContext); 154 listView.setAdapter(mAdapter); 155 } 156 157 @Override 158 public void onResume() { 159 logd("onResume()"); 160 super.onResume(); 161 refreshList(); 162 } 163 164 private void refreshList() { 165 List<HistoricalNotificationInfo> infos = loadNotifications(); 166 if (infos != null) { 167 logd("adding %d infos", infos.size()); 168 mAdapter.clear(); 169 mAdapter.addAll(infos); 170 mAdapter.sort(mNotificationSorter); 171 } 172 } 173 174 private static void logd(String msg, Object... args) { 175 if (DEBUG) { 176 Log.d(TAG, args == null || args.length == 0 ? msg : String.format(msg, args)); 177 } 178 } 179 180 private List<HistoricalNotificationInfo> loadNotifications() { 181 final int currentUserId = ActivityManager.getCurrentUser(); 182 try { 183 StatusBarNotification[] active = mNoMan.getActiveNotifications( 184 mContext.getPackageName()); 185 StatusBarNotification[] dismissed = mNoMan.getHistoricalNotifications( 186 mContext.getPackageName(), 50); 187 188 List<HistoricalNotificationInfo> list 189 = new ArrayList<HistoricalNotificationInfo>(active.length + dismissed.length); 190 191 for (StatusBarNotification[] resultset 192 : new StatusBarNotification[][] { active, dismissed }) { 193 for (StatusBarNotification sbn : resultset) { 194 final HistoricalNotificationInfo info = new HistoricalNotificationInfo(); 195 info.pkg = sbn.getPackageName(); 196 info.user = sbn.getUserId(); 197 info.icon = loadIconDrawable(info.pkg, info.user, sbn.getNotification().icon); 198 info.pkgicon = loadPackageIconDrawable(info.pkg, info.user); 199 info.pkgname = loadPackageName(info.pkg); 200 if (sbn.getNotification().extras != null) { 201 info.title = sbn.getNotification().extras.getString( 202 Notification.EXTRA_TITLE); 203 if (info.title == null || "".equals(info.title)) { 204 info.title = sbn.getNotification().extras.getString( 205 Notification.EXTRA_TEXT); 206 } 207 } 208 if (info.title == null || "".equals(info.title)) { 209 info.title = sbn.getNotification().tickerText; 210 } 211 // still nothing? come on, give us something! 212 if (info.title == null || "".equals(info.title)) { 213 info.title = info.pkgname; 214 } 215 info.timestamp = sbn.getPostTime(); 216 info.priority = sbn.getNotification().priority; 217 logd(" [%d] %s: %s", info.timestamp, info.pkg, info.title); 218 219 info.active = (resultset == active); 220 221 if (info.user == UserHandle.USER_ALL 222 || info.user == currentUserId) { 223 list.add(info); 224 } 225 } 226 } 227 228 return list; 229 } catch (RemoteException e) { 230 Log.e(TAG, "Cannot load Notifications: ", e); 231 } 232 return null; 233 } 234 235 private Resources getResourcesForUserPackage(String pkg, int userId) { 236 Resources r = null; 237 238 if (pkg != null) { 239 try { 240 if (userId == UserHandle.USER_ALL) { 241 userId = UserHandle.USER_OWNER; 242 } 243 r = mPm.getResourcesForApplicationAsUser(pkg, userId); 244 } catch (PackageManager.NameNotFoundException ex) { 245 Log.e(TAG, "Icon package not found: " + pkg, ex); 246 return null; 247 } 248 } else { 249 r = mContext.getResources(); 250 } 251 return r; 252 } 253 254 private Drawable loadPackageIconDrawable(String pkg, int userId) { 255 Drawable icon = null; 256 try { 257 icon = mPm.getApplicationIcon(pkg); 258 } catch (PackageManager.NameNotFoundException e) { 259 Log.e(TAG, "Cannot get application icon", e); 260 } 261 262 return icon; 263 } 264 265 private CharSequence loadPackageName(String pkg) { 266 try { 267 ApplicationInfo info = mPm.getApplicationInfo(pkg, 268 PackageManager.GET_UNINSTALLED_PACKAGES); 269 if (info != null) return mPm.getApplicationLabel(info); 270 } catch (PackageManager.NameNotFoundException e) { 271 Log.e(TAG, "Cannot load package name", e); 272 } 273 return pkg; 274 } 275 276 private Drawable loadIconDrawable(String pkg, int userId, int resId) { 277 Resources r = getResourcesForUserPackage(pkg, userId); 278 279 if (resId == 0) { 280 return null; 281 } 282 283 try { 284 return r.getDrawable(resId, null); 285 } catch (RuntimeException e) { 286 Log.w(TAG, "Icon not found in " 287 + (pkg != null ? resId : "<system>") 288 + ": " + Integer.toHexString(resId), e); 289 } 290 291 return null; 292 } 293 294 private class NotificationHistoryAdapter extends ArrayAdapter<HistoricalNotificationInfo> { 295 private final LayoutInflater mInflater; 296 297 public NotificationHistoryAdapter(Context context) { 298 super(context, 0); 299 mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 300 } 301 302 @Override 303 public View getView(int position, View convertView, ViewGroup parent) { 304 final HistoricalNotificationInfo info = getItem(position); 305 logd("getView(%s/%s)", info.pkg, info.title); 306 307 final View row = convertView != null ? convertView : createRow(parent); 308 row.setTag(info); 309 310 // bind icon 311 if (info.icon != null) { 312 ((ImageView) row.findViewById(android.R.id.icon)).setImageDrawable(info.icon); 313 } 314 if (info.pkgicon != null) { 315 ((ImageView) row.findViewById(R.id.pkgicon)).setImageDrawable(info.pkgicon); 316 } 317 318 ((DateTimeView) row.findViewById(R.id.timestamp)).setTime(info.timestamp); 319 ((TextView) row.findViewById(android.R.id.title)).setText(info.title); 320 ((TextView) row.findViewById(R.id.pkgname)).setText(info.pkgname); 321 322 row.findViewById(R.id.extra).setVisibility(View.GONE); 323 row.setAlpha(info.active ? 1.0f : 0.5f); 324 325 // set up click handler 326 row.setOnClickListener(new OnClickListener(){ 327 @Override 328 public void onClick(View v) { 329 v.setPressed(true); 330 startApplicationDetailsActivity(info.pkg); 331 }}); 332 333 return row; 334 } 335 336 private View createRow(ViewGroup parent) { 337 return mInflater.inflate(R.layout.notification_log_row, parent, false); 338 } 339 340 } 341 342 private void startApplicationDetailsActivity(String packageName) { 343 Intent intent = new Intent(android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS, 344 Uri.fromParts("package", packageName, null)); 345 intent.setComponent(intent.resolveActivity(mPm)); 346 startActivity(intent); 347 } 348 } 349
