| /** |
| * Copyright (c) 2015, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.notification; |
| |
| import android.app.Notification; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.media.AudioAttributes; |
| import android.media.AudioManager; |
| import android.os.Bundle; |
| import android.os.UserHandle; |
| import android.provider.Settings.Global; |
| import android.provider.Settings.Secure; |
| import android.service.notification.ZenModeConfig; |
| import android.telecom.TelecomManager; |
| import android.util.ArrayMap; |
| import android.util.Slog; |
| |
| import java.io.PrintWriter; |
| import java.util.Date; |
| import java.util.Objects; |
| |
| public class ZenModeFiltering { |
| private static final String TAG = ZenModeHelper.TAG; |
| private static final boolean DEBUG = ZenModeHelper.DEBUG; |
| |
| static final RepeatCallers REPEAT_CALLERS = new RepeatCallers(); |
| |
| private final Context mContext; |
| |
| private ComponentName mDefaultPhoneApp; |
| |
| public ZenModeFiltering(Context context) { |
| mContext = context; |
| } |
| |
| public void dump(PrintWriter pw, String prefix) { |
| pw.print(prefix); pw.print("mDefaultPhoneApp="); pw.println(mDefaultPhoneApp); |
| pw.print(prefix); pw.print("RepeatCallers.mThresholdMinutes="); |
| pw.println(REPEAT_CALLERS.mThresholdMinutes); |
| synchronized (REPEAT_CALLERS) { |
| if (!REPEAT_CALLERS.mCalls.isEmpty()) { |
| pw.print(prefix); pw.println("RepeatCallers.mCalls="); |
| for (int i = 0; i < REPEAT_CALLERS.mCalls.size(); i++) { |
| pw.print(prefix); pw.print(" "); |
| pw.print(REPEAT_CALLERS.mCalls.keyAt(i)); |
| pw.print(" at "); |
| pw.println(ts(REPEAT_CALLERS.mCalls.valueAt(i))); |
| } |
| } |
| } |
| } |
| |
| private static String ts(long time) { |
| return new Date(time) + " (" + time + ")"; |
| } |
| |
| /** |
| * @param extras extras of the notification with EXTRA_PEOPLE populated |
| * @param contactsTimeoutMs timeout in milliseconds to wait for contacts response |
| * @param timeoutAffinity affinity to return when the timeout specified via |
| * <code>contactsTimeoutMs</code> is hit |
| */ |
| public static boolean matchesCallFilter(Context context, int zen, ZenModeConfig config, |
| UserHandle userHandle, Bundle extras, ValidateNotificationPeople validator, |
| int contactsTimeoutMs, float timeoutAffinity) { |
| if (zen == Global.ZEN_MODE_NO_INTERRUPTIONS) return false; // nothing gets through |
| if (zen == Global.ZEN_MODE_ALARMS) return false; // not an alarm |
| if (zen == Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS) { |
| if (config.allowRepeatCallers && REPEAT_CALLERS.isRepeat(context, extras)) { |
| return true; |
| } |
| if (!config.allowCalls) return false; // no other calls get through |
| if (validator != null) { |
| final float contactAffinity = validator.getContactAffinity(userHandle, extras, |
| contactsTimeoutMs, timeoutAffinity); |
| return audienceMatches(config.allowCallsFrom, contactAffinity); |
| } |
| } |
| return true; |
| } |
| |
| private static Bundle extras(NotificationRecord record) { |
| return record != null && record.sbn != null && record.sbn.getNotification() != null |
| ? record.sbn.getNotification().extras : null; |
| } |
| |
| protected void recordCall(NotificationRecord record) { |
| REPEAT_CALLERS.recordCall(mContext, extras(record)); |
| } |
| |
| public boolean shouldIntercept(int zen, ZenModeConfig config, NotificationRecord record) { |
| if (isSystem(record)) { |
| return false; |
| } |
| switch (zen) { |
| case Global.ZEN_MODE_NO_INTERRUPTIONS: |
| // #notevenalarms |
| ZenLog.traceIntercepted(record, "none"); |
| return true; |
| case Global.ZEN_MODE_ALARMS: |
| if (isAlarm(record)) { |
| // Alarms only |
| return false; |
| } |
| ZenLog.traceIntercepted(record, "alarmsOnly"); |
| return true; |
| case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS: |
| if (isAlarm(record)) { |
| // Alarms are always priority |
| return false; |
| } |
| // allow user-prioritized packages through in priority mode |
| if (record.getPackagePriority() == Notification.PRIORITY_MAX) { |
| ZenLog.traceNotIntercepted(record, "priorityApp"); |
| return false; |
| } |
| if (isCall(record)) { |
| if (config.allowRepeatCallers |
| && REPEAT_CALLERS.isRepeat(mContext, extras(record))) { |
| ZenLog.traceNotIntercepted(record, "repeatCaller"); |
| return false; |
| } |
| if (!config.allowCalls) { |
| ZenLog.traceIntercepted(record, "!allowCalls"); |
| return true; |
| } |
| return shouldInterceptAudience(config.allowCallsFrom, record); |
| } |
| if (isMessage(record)) { |
| if (!config.allowMessages) { |
| ZenLog.traceIntercepted(record, "!allowMessages"); |
| return true; |
| } |
| return shouldInterceptAudience(config.allowMessagesFrom, record); |
| } |
| if (isEvent(record)) { |
| if (!config.allowEvents) { |
| ZenLog.traceIntercepted(record, "!allowEvents"); |
| return true; |
| } |
| return false; |
| } |
| if (isReminder(record)) { |
| if (!config.allowReminders) { |
| ZenLog.traceIntercepted(record, "!allowReminders"); |
| return true; |
| } |
| return false; |
| } |
| ZenLog.traceIntercepted(record, "!priority"); |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| private static boolean shouldInterceptAudience(int source, NotificationRecord record) { |
| if (!audienceMatches(source, record.getContactAffinity())) { |
| ZenLog.traceIntercepted(record, "!audienceMatches"); |
| return true; |
| } |
| return false; |
| } |
| |
| private static boolean isSystem(NotificationRecord record) { |
| return record.isCategory(Notification.CATEGORY_SYSTEM); |
| } |
| |
| private static boolean isAlarm(NotificationRecord record) { |
| return record.isCategory(Notification.CATEGORY_ALARM) |
| || record.isAudioStream(AudioManager.STREAM_ALARM) |
| || record.isAudioAttributesUsage(AudioAttributes.USAGE_ALARM); |
| } |
| |
| private static boolean isEvent(NotificationRecord record) { |
| return record.isCategory(Notification.CATEGORY_EVENT); |
| } |
| |
| private static boolean isReminder(NotificationRecord record) { |
| return record.isCategory(Notification.CATEGORY_REMINDER); |
| } |
| |
| public boolean isCall(NotificationRecord record) { |
| return record != null && (isDefaultPhoneApp(record.sbn.getPackageName()) |
| || record.isCategory(Notification.CATEGORY_CALL)); |
| } |
| |
| private boolean isDefaultPhoneApp(String pkg) { |
| if (mDefaultPhoneApp == null) { |
| final TelecomManager telecomm = |
| (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE); |
| mDefaultPhoneApp = telecomm != null ? telecomm.getDefaultPhoneApp() : null; |
| if (DEBUG) Slog.d(TAG, "Default phone app: " + mDefaultPhoneApp); |
| } |
| return pkg != null && mDefaultPhoneApp != null |
| && pkg.equals(mDefaultPhoneApp.getPackageName()); |
| } |
| |
| @SuppressWarnings("deprecation") |
| private boolean isDefaultMessagingApp(NotificationRecord record) { |
| final int userId = record.getUserId(); |
| if (userId == UserHandle.USER_NULL || userId == UserHandle.USER_ALL) return false; |
| final String defaultApp = Secure.getStringForUser(mContext.getContentResolver(), |
| Secure.SMS_DEFAULT_APPLICATION, userId); |
| return Objects.equals(defaultApp, record.sbn.getPackageName()); |
| } |
| |
| private boolean isMessage(NotificationRecord record) { |
| return record.isCategory(Notification.CATEGORY_MESSAGE) || isDefaultMessagingApp(record); |
| } |
| |
| private static boolean audienceMatches(int source, float contactAffinity) { |
| switch (source) { |
| case ZenModeConfig.SOURCE_ANYONE: |
| return true; |
| case ZenModeConfig.SOURCE_CONTACT: |
| return contactAffinity >= ValidateNotificationPeople.VALID_CONTACT; |
| case ZenModeConfig.SOURCE_STAR: |
| return contactAffinity >= ValidateNotificationPeople.STARRED_CONTACT; |
| default: |
| Slog.w(TAG, "Encountered unknown source: " + source); |
| return true; |
| } |
| } |
| |
| private static class RepeatCallers { |
| // Person : time |
| private final ArrayMap<String, Long> mCalls = new ArrayMap<>(); |
| private int mThresholdMinutes; |
| |
| private synchronized void recordCall(Context context, Bundle extras) { |
| setThresholdMinutes(context); |
| if (mThresholdMinutes <= 0 || extras == null) return; |
| final String peopleString = peopleString(extras); |
| if (peopleString == null) return; |
| final long now = System.currentTimeMillis(); |
| cleanUp(mCalls, now); |
| mCalls.put(peopleString, now); |
| } |
| |
| private synchronized boolean isRepeat(Context context, Bundle extras) { |
| setThresholdMinutes(context); |
| if (mThresholdMinutes <= 0 || extras == null) return false; |
| final String peopleString = peopleString(extras); |
| if (peopleString == null) return false; |
| final long now = System.currentTimeMillis(); |
| cleanUp(mCalls, now); |
| return mCalls.containsKey(peopleString); |
| } |
| |
| private synchronized void cleanUp(ArrayMap<String, Long> calls, long now) { |
| final int N = calls.size(); |
| for (int i = N - 1; i >= 0; i--) { |
| final long time = mCalls.valueAt(i); |
| if (time > now || (now - time) > mThresholdMinutes * 1000 * 60) { |
| calls.removeAt(i); |
| } |
| } |
| } |
| |
| private void setThresholdMinutes(Context context) { |
| if (mThresholdMinutes <= 0) { |
| mThresholdMinutes = context.getResources().getInteger(com.android.internal.R.integer |
| .config_zen_repeat_callers_threshold); |
| } |
| } |
| |
| private static String peopleString(Bundle extras) { |
| final String[] extraPeople = ValidateNotificationPeople.getExtraPeople(extras); |
| if (extraPeople == null || extraPeople.length == 0) return null; |
| final StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < extraPeople.length; i++) { |
| String extraPerson = extraPeople[i]; |
| if (extraPerson == null) continue; |
| extraPerson = extraPerson.trim(); |
| if (extraPerson.isEmpty()) continue; |
| if (sb.length() > 0) { |
| sb.append('|'); |
| } |
| sb.append(extraPerson); |
| } |
| return sb.length() == 0 ? null : sb.toString(); |
| } |
| } |
| |
| } |
