package eu.siacs.conversations.services; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.graphics.Bitmap; import android.net.Uri; import android.os.PowerManager; import android.os.SystemClock; import android.support.v4.app.NotificationCompat; import android.support.v4.app.NotificationCompat.BigPictureStyle; import android.support.v4.app.NotificationCompat.Builder; import android.support.v4.app.TaskStackBuilder; import android.text.Html; import android.util.DisplayMetrics; import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.LinkedHashMap; import java.util.regex.Matcher; import java.util.regex.Pattern; import eu.siacs.conversations.Config; import eu.siacs.conversations.R; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.Downloadable; import eu.siacs.conversations.entities.DownloadableFile; import eu.siacs.conversations.entities.Message; import eu.siacs.conversations.ui.ConversationActivity; public class NotificationService { private XmppConnectionService mXmppConnectionService; private LinkedHashMap> notifications = new LinkedHashMap>(); public static int NOTIFICATION_ID = 0x2342; public static int FOREGROUND_NOTIFICATION_ID = 0x8899; private Conversation mOpenConversation; private boolean mIsInForeground; private long mLastNotification; public NotificationService(XmppConnectionService service) { this.mXmppConnectionService = service; } public boolean notify(Message message) { return (message.getStatus() == Message.STATUS_RECEIVED) && notificationsEnabled() && !message.getConversation().isMuted() && (message.getConversation().getMode() == Conversation.MODE_SINGLE || conferenceNotificationsEnabled() || wasHighlightedOrPrivate(message) ); } public boolean notificationsEnabled() { return mXmppConnectionService.getPreferences().getBoolean("show_notification", true); } public boolean conferenceNotificationsEnabled() { return mXmppConnectionService.getPreferences().getBoolean("always_notify_in_conference", false); } public void push(Message message) { if (!notify(message)) { return; } PowerManager pm = (PowerManager) mXmppConnectionService .getSystemService(Context.POWER_SERVICE); boolean isScreenOn = pm.isScreenOn(); if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) { return; } synchronized (notifications) { String conversationUuid = message.getConversationUuid(); if (notifications.containsKey(conversationUuid)) { notifications.get(conversationUuid).add(message); } else { ArrayList mList = new ArrayList(); mList.add(message); notifications.put(conversationUuid, mList); } Account account = message.getConversation().getAccount(); updateNotification((!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn) && !account.inGracePeriod() && !this.inMiniGracePeriod(account)); } } public void clear() { synchronized (notifications) { notifications.clear(); updateNotification(false); } } public void clear(Conversation conversation) { synchronized (notifications) { notifications.remove(conversation.getUuid()); updateNotification(false); } } private void updateNotification(boolean notify) { NotificationManager notificationManager = (NotificationManager) mXmppConnectionService .getSystemService(Context.NOTIFICATION_SERVICE); SharedPreferences preferences = mXmppConnectionService.getPreferences(); String ringtone = preferences.getString("notification_ringtone", null); boolean vibrate = preferences.getBoolean("vibrate_on_notification", true); if (notifications.size() == 0) { notificationManager.cancel(NOTIFICATION_ID); } else { if (notify) { this.markLastNotification(); } Builder mBuilder; if (notifications.size() == 1) { mBuilder = buildSingleConversations(notify); } else { mBuilder = buildMultipleConversation(); } if (notify) { if (vibrate) { int dat = 70; long[] pattern = {0, 3 * dat, dat, dat}; mBuilder.setVibrate(pattern); } if (ringtone != null) { mBuilder.setSound(Uri.parse(ringtone)); } } mBuilder.setSmallIcon(R.drawable.ic_notification); mBuilder.setDeleteIntent(createDeleteIntent()); mBuilder.setLights(0xffffffff, 2000, 4000); Notification notification = mBuilder.build(); notificationManager.notify(NOTIFICATION_ID, notification); } } private Builder buildMultipleConversation() { Builder mBuilder = new NotificationCompat.Builder( mXmppConnectionService); NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle(); style.setBigContentTitle(notifications.size() + " " + mXmppConnectionService .getString(R.string.unread_conversations)); StringBuilder names = new StringBuilder(); Conversation conversation = null; for (ArrayList messages : notifications.values()) { if (messages.size() > 0) { conversation = messages.get(0).getConversation(); String name = conversation.getName(); style.addLine(Html.fromHtml("" + name + " " + getReadableBody(messages.get(0)))); names.append(name); names.append(", "); } } if (names.length() >= 2) { names.delete(names.length() - 2, names.length()); } mBuilder.setContentTitle(notifications.size() + " " + mXmppConnectionService .getString(R.string.unread_conversations)); mBuilder.setContentText(names.toString()); mBuilder.setStyle(style); if (conversation != null) { mBuilder.setContentIntent(createContentIntent(conversation .getUuid())); } return mBuilder; } private Builder buildSingleConversations(boolean notify) { Builder mBuilder = new NotificationCompat.Builder( mXmppConnectionService); ArrayList messages = notifications.values().iterator().next(); if (messages.size() >= 1) { Conversation conversation = messages.get(0).getConversation(); mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService() .get(conversation, getPixel(64))); mBuilder.setContentTitle(conversation.getName()); Message message; if ((message = getImage(messages)) != null) { modifyForImage(mBuilder, message, messages, notify); } else { modifyForTextOnly(mBuilder, messages, notify); } mBuilder.setContentIntent(createContentIntent(conversation .getUuid())); } return mBuilder; } private void modifyForImage(Builder builder, Message message, ArrayList messages, boolean notify) { try { Bitmap bitmap = mXmppConnectionService.getFileBackend() .getThumbnail(message, getPixel(288), false); ArrayList tmp = new ArrayList(); for (Message msg : messages) { if (msg.getType() == Message.TYPE_TEXT && msg.getDownloadable() == null) { tmp.add(msg); } } BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle(); bigPictureStyle.bigPicture(bitmap); if (tmp.size() > 0) { bigPictureStyle.setSummaryText(getMergedBodies(tmp)); builder.setContentText(getReadableBody(tmp.get(0))); } else { builder.setContentText(mXmppConnectionService.getString(R.string.image_file)); } builder.setStyle(bigPictureStyle); } catch (FileNotFoundException e) { modifyForTextOnly(builder, messages, notify); } } private void modifyForTextOnly(Builder builder, ArrayList messages, boolean notify) { builder.setStyle(new NotificationCompat.BigTextStyle() .bigText(getMergedBodies(messages))); builder.setContentText(getReadableBody(messages.get(0))); if (notify) { builder.setTicker(getReadableBody(messages.get(messages.size() - 1))); } } private Message getImage(ArrayList messages) { for (Message message : messages) { if (message.getType() == Message.TYPE_IMAGE && message.getDownloadable() == null && message.getEncryption() != Message.ENCRYPTION_PGP) { return message; } } return null; } private String getMergedBodies(ArrayList messages) { StringBuilder text = new StringBuilder(); for (int i = 0; i < messages.size(); ++i) { text.append(getReadableBody(messages.get(i))); if (i != messages.size() - 1) { text.append("\n"); } } return text.toString(); } private String getReadableBody(Message message) { if (message.getDownloadable() != null && (message.getDownloadable().getStatus() == Downloadable.STATUS_OFFER || message .getDownloadable().getStatus() == Downloadable.STATUS_OFFER_CHECK_FILESIZE)) { if (message.getType() == Message.TYPE_FILE) { return mXmppConnectionService.getString(R.string.file_offered_for_download); } else { return mXmppConnectionService.getText( R.string.image_offered_for_download).toString(); } } else if (message.getEncryption() == Message.ENCRYPTION_PGP) { return mXmppConnectionService.getText( R.string.encrypted_message_received).toString(); } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) { return mXmppConnectionService.getText(R.string.decryption_failed) .toString(); } else if (message.getType() == Message.TYPE_FILE) { DownloadableFile file = mXmppConnectionService.getFileBackend().getFile(message); return mXmppConnectionService.getString(R.string.file,file.getMimeType()); } else if (message.getType() == Message.TYPE_IMAGE) { return mXmppConnectionService.getText(R.string.image_file) .toString(); } else { return message.getBody().trim(); } } private PendingIntent createContentIntent(String conversationUuid) { TaskStackBuilder stackBuilder = TaskStackBuilder .create(mXmppConnectionService); stackBuilder.addParentStack(ConversationActivity.class); Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationActivity.class); viewConversationIntent.setAction(Intent.ACTION_VIEW); if (conversationUuid!=null) { viewConversationIntent.putExtra(ConversationActivity.CONVERSATION, conversationUuid); viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION); } stackBuilder.addNextIntent(viewConversationIntent); PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT); return resultPendingIntent; } private PendingIntent createDeleteIntent() { Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class); intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION); return PendingIntent.getService(mXmppConnectionService, 0, intent, 0); } private PendingIntent createDisableForeground() { Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class); intent.setAction(XmppConnectionService.ACTION_DISABLE_FOREGROUND); return PendingIntent.getService(mXmppConnectionService, 0, intent, 0); } private boolean wasHighlightedOrPrivate(Message message) { String nick = message.getConversation().getMucOptions().getActualNick(); Pattern highlight = generateNickHighlightPattern(nick); if (message.getBody() == null || nick == null) { return false; } Matcher m = highlight.matcher(message.getBody()); return (m.find() || message.getType() == Message.TYPE_PRIVATE); } private static Pattern generateNickHighlightPattern(String nick) { // We expect a word boundary, i.e. space or start of string, followed by // the // nick (matched in case-insensitive manner), followed by optional // punctuation (for example "bob: i disagree" or "how are you alice?"), // followed by another word boundary. return Pattern.compile("\\b" + nick + "\\p{Punct}?\\b", Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE); } public void setOpenConversation(Conversation conversation) { this.mOpenConversation = conversation; } public void setIsInForeground(boolean foreground) { this.mIsInForeground = foreground; } private int getPixel(int dp) { DisplayMetrics metrics = mXmppConnectionService.getResources() .getDisplayMetrics(); return ((int) (dp * metrics.density)); } private void markLastNotification() { this.mLastNotification = SystemClock.elapsedRealtime(); } private boolean inMiniGracePeriod(Account account) { int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD : Config.MINI_GRACE_PERIOD * 2; return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace); } public Notification createForegroundNotification() { NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService); mBuilder.setSmallIcon(R.drawable.ic_stat_communication_import_export); mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.conversations_foreground_service)); mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_disable)); mBuilder.setContentIntent(createDisableForeground()); mBuilder.setWhen(0); mBuilder.setPriority(NotificationCompat.PRIORITY_MIN); return mBuilder.build(); } }