diff options
Diffstat (limited to 'services/java/com/android/server/NotificationManagerService.java')
| -rw-r--r-- | services/java/com/android/server/NotificationManagerService.java | 368 |
1 files changed, 314 insertions, 54 deletions
diff --git a/services/java/com/android/server/NotificationManagerService.java b/services/java/com/android/server/NotificationManagerService.java index 44d730c..cfb892f 100644 --- a/services/java/com/android/server/NotificationManagerService.java +++ b/services/java/com/android/server/NotificationManagerService.java @@ -26,16 +26,17 @@ import android.app.AppGlobals; import android.app.AppOpsManager; import android.app.IActivityManager; import android.app.INotificationManager; -import android.app.INotificationListener; import android.app.ITransientNotification; import android.app.Notification; import android.app.PendingIntent; import android.app.StatusBarManager; import android.content.BroadcastReceiver; +import android.content.ComponentName; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; +import android.content.ServiceConnection; import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; @@ -57,6 +58,9 @@ import android.os.UserHandle; import android.os.UserManager; import android.os.Vibrator; import android.provider.Settings; +import android.service.notification.INotificationListener; +import android.service.notification.NotificationListenerService; +import android.service.notification.StatusBarNotification; import android.telephony.TelephonyManager; import android.text.TextUtils; import android.util.AtomicFile; @@ -68,8 +72,6 @@ import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityManager; import android.widget.Toast; -import com.android.internal.statusbar.StatusBarNotification; - import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; @@ -121,6 +123,8 @@ public class NotificationManagerService extends INotificationManager.Stub private static final boolean ENABLE_BLOCKED_NOTIFICATIONS = true; private static final boolean ENABLE_BLOCKED_TOASTS = true; + private static final String ENABLED_NOTIFICATION_LISTENERS_SEPARATOR = ":"; + final Context mContext; final IActivityManager mAm; final UserManager mUserManager; @@ -163,8 +167,18 @@ public class NotificationManagerService extends INotificationManager.Stub private final AppOpsManager mAppOps; - private ArrayList<NotificationListenerInfo> mListeners = new ArrayList<NotificationListenerInfo>(); - private ArrayList<String> mEnabledListenersForCurrentUser = new ArrayList<String>(); + // contains connections to all connected listeners, including app services + // and system listeners + private ArrayList<NotificationListenerInfo> mListeners + = new ArrayList<NotificationListenerInfo>(); + // things that will be put into mListeners as soon as they're ready + private ArrayList<String> mServicesBinding = new ArrayList<String>(); + // lists the component names of all enabled (and therefore connected) listener + // app services for the current user only + private HashSet<ComponentName> mEnabledListenersForCurrentUser + = new HashSet<ComponentName>(); + // Just the packages from mEnabledListenersForCurrentUser + private HashSet<String> mEnabledListenerPackageNames = new HashSet<String>(); // Notification control database. For now just contains disabled packages. private AtomicFile mPolicyFile; @@ -181,27 +195,42 @@ public class NotificationManagerService extends INotificationManager.Stub private class NotificationListenerInfo implements DeathRecipient { INotificationListener listener; - String pkg; + ComponentName component; int userid; boolean isSystem; + ServiceConnection connection; - public NotificationListenerInfo(INotificationListener listener, String pkg, int userid, - boolean isSystem) { + public NotificationListenerInfo(INotificationListener listener, ComponentName component, + int userid, boolean isSystem) { this.listener = listener; - this.pkg = pkg; + this.component = component; this.userid = userid; this.isSystem = isSystem; + this.connection = null; + } + + public NotificationListenerInfo(INotificationListener listener, ComponentName component, + int userid, ServiceConnection connection) { + this.listener = listener; + this.component = component; + this.userid = userid; + this.isSystem = false; + this.connection = connection; } boolean enabledAndUserMatches(StatusBarNotification sbn) { final int nid = sbn.getUserId(); - if (!(isSystem || isEnabledForUser(nid))) return false; + if (!isEnabledForCurrentUser()) { + return false; + } if (this.userid == UserHandle.USER_ALL) return true; return (nid == UserHandle.USER_ALL || nid == this.userid); } public void notifyPostedIfUserMatch(StatusBarNotification sbn) { - if (!enabledAndUserMatches(sbn)) return; + if (!enabledAndUserMatches(sbn)) { + return; + } try { listener.onNotificationPosted(sbn); } catch (RemoteException ex) { @@ -220,15 +249,17 @@ public class NotificationManagerService extends INotificationManager.Stub @Override public void binderDied() { - unregisterListener(this.listener, this.userid); + if (connection == null) { + // This is not a service; it won't be recreated. We can give up this connection. + unregisterListener(this.listener, this.userid); + } } /** convenience method for looking in mEnabledListenersForCurrentUser */ - public boolean isEnabledForUser(int userid) { - for (int i=0; i<mEnabledListenersForCurrentUser.size(); i++) { - if (this.pkg.equals(mEnabledListenersForCurrentUser.get(i))) return true; - } - return false; + public boolean isEnabledForCurrentUser() { + if (this.isSystem) return true; + if (this.connection == null) return false; + return mEnabledListenersForCurrentUser.contains(this.component); } } @@ -434,6 +465,12 @@ public class NotificationManagerService extends INotificationManager.Stub } } + /** + * System-only API for getting a list of current (i.e. not cleared) notifications. + * + * Requires ACCESS_NOTIFICATIONS which is signature|system. + */ + @Override public StatusBarNotification[] getActiveNotifications(String callingPkg) { // enforce() will ensure the calling uid has the correct permission mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_NOTIFICATIONS, @@ -456,6 +493,12 @@ public class NotificationManagerService extends INotificationManager.Stub return tmp; } + /** + * System-only API for getting a list of recent (cleared, no longer shown) notifications. + * + * Requires ACCESS_NOTIFICATIONS which is signature|system. + */ + @Override public StatusBarNotification[] getHistoricalNotifications(String callingPkg, int count) { // enforce() will ensure the calling uid has the correct permission mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_NOTIFICATIONS, @@ -474,27 +517,76 @@ public class NotificationManagerService extends INotificationManager.Stub return tmp; } - boolean packageCanTapNotificationsForUser(final int uid, final String pkg) { - // Make sure the package and uid match, and that the package is allowed access - return (AppOpsManager.MODE_ALLOWED - == mAppOps.checkOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, pkg)); + /** + * Called whenever packages change, the user switches, or ENABLED_NOTIFICATION_LISTENERS + * is altered. (For example in response to USER_SWITCHED in our broadcast receiver) + */ + void rebindListenerServices() { + String flat = Settings.Secure.getString( + mContext.getContentResolver(), + Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); + + NotificationListenerInfo[] toRemove = new NotificationListenerInfo[mListeners.size()]; + final ArrayList<ComponentName> toAdd; + final int currentUser = ActivityManager.getCurrentUser(); + + synchronized (mNotificationList) { + // unbind and remove all existing listeners + toRemove = mListeners.toArray(toRemove); + + toAdd = new ArrayList<ComponentName>(); + final HashSet<ComponentName> newEnabled = new HashSet<ComponentName>(); + final HashSet<String> newPackages = new HashSet<String>(); + + // decode the list of components + if (flat != null) { + String[] components = flat.split(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR); + for (int i=0; i<components.length; i++) { + final ComponentName component + = ComponentName.unflattenFromString(components[i]); + if (component != null) { + newEnabled.add(component); + toAdd.add(component); + newPackages.add(component.getPackageName()); + } + } + + mEnabledListenersForCurrentUser = newEnabled; + mEnabledListenerPackageNames = newPackages; + } + } + + for (NotificationListenerInfo info : toRemove) { + final ComponentName component = info.component; + final int oldUser = info.userid; + Slog.v(TAG, "disabling notification listener for user " + oldUser + ": " + component); + unregisterListenerService(component, info.userid); + } + + final int N = toAdd.size(); + for (int i=0; i<N; i++) { + final ComponentName component = toAdd.get(i); + Slog.v(TAG, "enabling notification listener for user " + currentUser + ": " + + component); + registerListenerService(component, currentUser); + } } + /** + * Register a listener binder directly with the notification manager. + * + * Only works with system callers. Apps should extend + * {@link android.service.notification.NotificationListenerService}. + */ @Override public void registerListener(final INotificationListener listener, - final String pkg, final int userid) { - // ensure system or allowed pkg - int uid = Binder.getCallingUid(); - boolean isSystem = (UserHandle.getAppId(uid) == Process.SYSTEM_UID || uid == 0); - if (!(isSystem || packageCanTapNotificationsForUser(uid, pkg))) { - throw new SecurityException("Package " + pkg - + " may not listen for notifications"); - } + final ComponentName component, final int userid) { + checkCallerIsSystem(); synchronized (mNotificationList) { try { NotificationListenerInfo info - = new NotificationListenerInfo(listener, pkg, userid, isSystem); + = new NotificationListenerInfo(listener, component, userid, true); listener.asBinder().linkToDeath(info, 0); mListeners.add(info); } catch (RemoteException e) { @@ -503,6 +595,90 @@ public class NotificationManagerService extends INotificationManager.Stub } } + /** + * Version of registerListener that takes the name of a + * {@link android.service.notification.NotificationListenerService} to bind to. + * + * This is the mechanism by which third parties may subscribe to notifications. + */ + private void registerListenerService(final ComponentName name, final int userid) { + checkCallerIsSystem(); + + if (DBG) Slog.v(TAG, "registerListenerService: " + name + " u=" + userid); + + synchronized (mNotificationList) { + final String servicesBindingTag = name.toString() + "/" + userid; + if (mServicesBinding.contains(servicesBindingTag)) { + // stop registering this thing already! we're working on it + return; + } + mServicesBinding.add(servicesBindingTag); + + final int N = mListeners.size(); + for (int i=N-1; i>=0; i--) { + final NotificationListenerInfo info = mListeners.get(i); + if (name.equals(info.component) + && info.userid == userid) { + // cut old connections + if (DBG) Slog.v(TAG, " disconnecting old listener: " + info.listener); + mListeners.remove(i); + if (info.connection != null) { + mContext.unbindService(info.connection); + } + } + } + + Intent intent = new Intent(NotificationListenerService.SERVICE_INTERFACE); + intent.setComponent(name); + + intent.putExtra(Intent.EXTRA_CLIENT_LABEL, + com.android.internal.R.string.notification_listener_binding_label); + intent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivity( + mContext, 0, new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS), 0)); + + try { + if (DBG) Slog.v(TAG, "binding: " + intent); + if (!mContext.bindServiceAsUser(intent, + new ServiceConnection() { + INotificationListener mListener; + @Override + public void onServiceConnected(ComponentName name, IBinder service) { + synchronized (mNotificationList) { + mServicesBinding.remove(servicesBindingTag); + try { + mListener = INotificationListener.Stub.asInterface(service); + NotificationListenerInfo info = new NotificationListenerInfo( + mListener, name, userid, this); + service.linkToDeath(info, 0); + mListeners.add(info); + } catch (RemoteException e) { + // already dead + } + } + } + + @Override + public void onServiceDisconnected(ComponentName name) { + Slog.v(TAG, "notification listener connection lost: " + name); + } + }, + Context.BIND_AUTO_CREATE, + new UserHandle(userid))) + { + mServicesBinding.remove(servicesBindingTag); + Slog.w(TAG, "Unable to bind listener service: " + intent); + return; + } + } catch (SecurityException ex) { + Slog.e(TAG, "Unable to bind listener service: " + intent, ex); + return; + } + } + } + + /** + * Remove a listener binder directly + */ @Override public void unregisterListener(INotificationListener listener, int userid) { // no need to check permissions; if your listener binder is in the list, @@ -513,12 +689,39 @@ public class NotificationManagerService extends INotificationManager.Stub for (int i=N-1; i>=0; i--) { final NotificationListenerInfo info = mListeners.get(i); if (info.listener == listener && info.userid == userid) { - mListeners.remove(listener); + mListeners.remove(i); + if (info.connection != null) { + mContext.unbindService(info.connection); + } + } + } + } + } + + /** + * Remove a listener service for the given user by ComponentName + */ + private void unregisterListenerService(ComponentName name, int userid) { + checkCallerIsSystem(); + + synchronized (mNotificationList) { + final int N = mListeners.size(); + for (int i=N-1; i>=0; i--) { + final NotificationListenerInfo info = mListeners.get(i); + if (name.equals(info.component) + && info.userid == userid) { + mListeners.remove(i); + if (info.connection != null) { + mContext.unbindService(info.connection); + } } } } } + /** + * asynchronously notify all listeners about a new notification + */ private void notifyPostedLocked(NotificationRecord n) { final StatusBarNotification sbn = n.sbn; for (final NotificationListenerInfo info : mListeners) { @@ -530,6 +733,9 @@ public class NotificationManagerService extends INotificationManager.Stub } } + /** + * asynchronously notify all listeners about a removed notification + */ private void notifyRemovedLocked(NotificationRecord n) { final StatusBarNotification sbn = n.sbn; for (final NotificationListenerInfo info : mListeners) { @@ -541,6 +747,57 @@ public class NotificationManagerService extends INotificationManager.Stub } } + // -- APIs to support listeners clicking/clearing notifications -- + + private NotificationListenerInfo checkListenerToken(INotificationListener listener) { + final IBinder token = listener.asBinder(); + final int N = mListeners.size(); + for (int i=0; i<N; i++) { + final NotificationListenerInfo info = mListeners.get(i); + if (info.listener.asBinder() == token) return info; + } + throw new SecurityException("Disallowed call from unknown listener: " + listener); + } + + /** + * Allow an INotificationListener to simulate a "clear all" operation. + * + * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onClearAllNotifications} + * + * @param token The binder for the listener, to check that the caller is allowed + */ + public void clearAllNotificationsFromListener(INotificationListener token) { + NotificationListenerInfo info = checkListenerToken(token); + long identity = Binder.clearCallingIdentity(); + try { + cancelAll(info.userid); + } finally { + Binder.restoreCallingIdentity(identity); + } + } + + /** + * Allow an INotificationListener to simulate clearing (dismissing) a single notification. + * + * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onNotificationClear} + * + * @param token The binder for the listener, to check that the caller is allowed + */ + public void clearNotificationFromListener(INotificationListener token, String pkg, String tag, int id) { + NotificationListenerInfo info = checkListenerToken(token); + long identity = Binder.clearCallingIdentity(); + try { + cancelNotification(pkg, tag, id, 0, + Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, + true, + info.userid); + } finally { + Binder.restoreCallingIdentity(identity); + } + } + + // -- end of listener APIs -- + public static final class NotificationRecord { final StatusBarNotification sbn; @@ -759,12 +1016,23 @@ public class NotificationManagerService extends INotificationManager.Stub } pkgList = new String[]{pkgName}; } + + boolean anyListenersInvolved = false; if (pkgList != null && (pkgList.length > 0)) { for (String pkgName : pkgList) { cancelAllNotificationsInt(pkgName, 0, 0, !queryRestart, UserHandle.USER_ALL); + if (mEnabledListenerPackageNames.contains(pkgName)) { + anyListenersInvolved = true; + } } } + + if (anyListenersInvolved) { + // make sure we're still bound to any of our + // listeners who may have just upgraded + rebindListenerServices(); + } } else if (action.equals(Intent.ACTION_SCREEN_ON)) { // Keep track of screen on/off state, but do not turn off the notification light // until user passes through the lock screen or views the notification. @@ -795,7 +1063,7 @@ public class NotificationManagerService extends INotificationManager.Stub = Settings.System.getUriFor(Settings.System.NOTIFICATION_LIGHT_PULSE); private final Uri ENABLED_NOTIFICATION_LISTENERS_URI - = Settings.System.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); + = Settings.Secure.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); SettingsObserver(Handler handler) { super(handler); @@ -804,9 +1072,9 @@ public class NotificationManagerService extends INotificationManager.Stub void observe() { ContentResolver resolver = mContext.getContentResolver(); resolver.registerContentObserver(NOTIFICATION_LIGHT_PULSE_URI, - false, this); + false, this, UserHandle.USER_ALL); resolver.registerContentObserver(ENABLED_NOTIFICATION_LISTENERS_URI, - false, this); + false, this, UserHandle.USER_ALL); update(null); } @@ -825,19 +1093,7 @@ public class NotificationManagerService extends INotificationManager.Stub } } if (uri == null || ENABLED_NOTIFICATION_LISTENERS_URI.equals(uri)) { - String pkglist = Settings.Secure.getString( - mContext.getContentResolver(), - Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); - mEnabledListenersForCurrentUser.clear(); - if (pkglist != null) { - String[] pkgs = pkglist.split(";"); - for (int i=0; i<pkgs.length; i++) { - final String pkg = pkgs[i]; - if (pkg != null && ! "".equals(pkg)) { - mEnabledListenersForCurrentUser.add(pkgs[i]); - } - } - } + rebindListenerServices(); } } } @@ -956,6 +1212,9 @@ public class NotificationManagerService extends INotificationManager.Stub // no beeping until we're basically done booting mSystemReady = true; + + // make sure our listener services are properly bound + rebindListenerServices(); } // Toasts @@ -1781,16 +2040,17 @@ public class NotificationManagerService extends INotificationManager.Stub pw.println("Current Notification Manager state:"); - pw.print(" Enabled listeners: ["); - for (String pkg : mEnabledListenersForCurrentUser) { - pw.print(" " + pkg); + pw.println(" Listeners (" + mEnabledListenersForCurrentUser.size() + + ") enabled for current user:"); + for (ComponentName cmpt : mEnabledListenersForCurrentUser) { + pw.println(" " + cmpt); } - pw.println(" ]"); - pw.println(" Live listeners:"); + pw.println(" Live listeners (" + mListeners.size() + "):"); for (NotificationListenerInfo info : mListeners) { - pw.println(" " + info.pkg + " (user " + info.userid + "): " + info.listener - + (info.isSystem?" SYSTEM":"")); + pw.println(" " + info.component + + " (user " + info.userid + "): " + info.listener + + (info.isSystem?" SYSTEM":"")); } int N; |