package de.pixart.messenger.utils; import android.content.Context; import android.support.annotation.ColorInt; import android.text.SpannableStringBuilder; import android.text.format.DateFormat; import android.text.format.DateUtils; import android.util.Pair; import java.math.BigInteger; import java.security.MessageDigest; import java.util.Arrays; import java.util.Calendar; import java.util.Date; import java.util.List; import java.util.Locale; import de.pixart.messenger.Config; import de.pixart.messenger.R; import de.pixart.messenger.crypto.axolotl.AxolotlService; import de.pixart.messenger.entities.Account; import de.pixart.messenger.entities.Contact; import de.pixart.messenger.entities.Conversation; import de.pixart.messenger.entities.Conversational; import de.pixart.messenger.entities.ListItem; import de.pixart.messenger.entities.Message; import de.pixart.messenger.entities.MucOptions; import de.pixart.messenger.entities.Presence; import de.pixart.messenger.entities.Transferable; import rocks.xmpp.addr.Jid; public class UIHelper { private static int[] UNSAFE_COLORS = { 0xFFF44336, //red 500 0xFFE53935, //red 600 0xFFD32F2F, //red 700 0xFFC62828, //red 800 0xFFEF6C00, //orange 800 0xFFF4511E, //deep orange 600 0xFFE64A19, //deep orange 700 0xFFD84315, //deep orange 800, }; private static int[] SAFE_COLORS = { 0xFFE91E63, //pink 500 0xFFD81B60, //pink 600 0xFFC2185B, //pink 700 0xFFAD1457, //pink 800 0xFF9C27B0, //purple 500 0xFF8E24AA, //purple 600 0xFF7B1FA2, //purple 700 0xFF6A1B9A, //purple 800 0xFF673AB7, //deep purple 500, 0xFF5E35B1, //deep purple 600 0xFF512DA8, //deep purple 700 0xFF4527A0, //deep purple 800, 0xFF3F51B5, //indigo 500, 0xFF3949AB,//indigo 600 0xFF303F9F,//indigo 700 0xFF283593, //indigo 800 0xFF2196F3, //blue 500 0xFF1E88E5, //blue 600 0xFF1976D2, //blue 700 0xFF1565C0, //blue 800 0xFF03A9F4, //light blue 500 0xFF039BE5, //light blue 600 0xFF0288D1, //light blue 700 0xFF0277BD, //light blue 800 0xFF00BCD4, //cyan 500 0xFF00ACC1, //cyan 600 0xFF0097A7, //cyan 700 0xFF00838F, //cyan 800 0xFF009688, //teal 500, 0xFF00897B, //teal 600 0xFF00796B, //teal 700 0xFF00695C, //teal 800, //0xFF558B2F, //light green 800 //0xFFC0CA33, //lime 600 0xFF9E9D24, //lime 800 0xFF795548, //brown 500, //0xFF4E342E, //brown 800 0xFF607D8B, //blue grey 500, //0xFF37474F //blue grey 800 }; private static final int[] COLORS; static { COLORS = Arrays.copyOf(SAFE_COLORS, SAFE_COLORS.length + UNSAFE_COLORS.length); System.arraycopy(UNSAFE_COLORS, 0, COLORS, SAFE_COLORS.length, UNSAFE_COLORS.length); } private static final List LOCATION_QUESTIONS = Arrays.asList( "where are you", //en "where are you now", //en "where are you right now", //en "whats your 20", //en "what is your 20", //en "what's your 20", //en "whats your twenty", //en "what is your twenty", //en "what's your twenty", //en "wo bist du", //de "wo bist du jetzt", //de "wo bist du gerade", //de "wo seid ihr", //de "wo seid ihr jetzt", //de "wo seid ihr gerade", //de "dónde estás", //es "donde estas" //es ); private static final List PUNCTIONATION = Arrays.asList('.', ',', '?', '!', ';', ':'); private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL; private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE; public static String readableTimeDifference(Context context, long time) { return readableTimeDifference(context, time, false); } public static String readableTimeDifferenceFull(Context context, long time) { return readableTimeDifference(context, time, true); } private static String readableTimeDifference(Context context, long time, boolean fullDate) { if (time == 0) { return context.getString(R.string.just_now); } Date date = new Date(time); long difference = (System.currentTimeMillis() - time) / 1000; if (difference < 60) { return context.getString(R.string.just_now); } else if (difference < 60 * 2) { return context.getString(R.string.minute_ago); } else if (difference < 60 * 15) { return context.getString(R.string.minutes_ago, Math.round(difference / 60.0)); } else if (today(date)) { java.text.DateFormat df = DateFormat.getTimeFormat(context); return df.format(date); } else { if (fullDate) { return DateUtils.formatDateTime(context, date.getTime(), FULL_DATE_FLAGS); } else { return DateUtils.formatDateTime(context, date.getTime(), SHORT_DATE_FLAGS); } } } private static boolean today(Date date) { return sameDay(date, new Date(System.currentTimeMillis())); } public static boolean today(long date) { return sameDay(date, System.currentTimeMillis()); } public static boolean yesterday(long date) { Calendar cal1 = Calendar.getInstance(); Calendar cal2 = Calendar.getInstance(); cal1.add(Calendar.DAY_OF_YEAR, -1); cal2.setTime(new Date(date)); return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal1.get(Calendar.DAY_OF_YEAR) == cal2 .get(Calendar.DAY_OF_YEAR); } public static boolean sameDay(long a, long b) { return sameDay(new Date(a), new Date(b)); } private static boolean sameDay(Date a, Date b) { Calendar cal1 = Calendar.getInstance(); Calendar cal2 = Calendar.getInstance(); cal1.setTime(a); cal2.setTime(b); return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal1.get(Calendar.DAY_OF_YEAR) == cal2 .get(Calendar.DAY_OF_YEAR); } public static String lastseen(Context context, boolean active, long time) { long difference = (System.currentTimeMillis() - time) / 1000; if (active) { return context.getString(R.string.last_seen_now); } else if (difference < 60) { return context.getString(R.string.last_seen_just_away); } else if (difference < 60 * 2) { return context.getString(R.string.last_seen_min); } else if (difference < 60 * 60) { return context.getString(R.string.last_seen_mins, Math.round(difference / 60.0)); } else if (difference < 60 * 60 * 2) { return context.getString(R.string.last_seen_hour); } else if (difference < 60 * 60 * 24) { return context.getString(R.string.last_seen_hours, Math.round(difference / (60.0 * 60.0))); } else if (difference < 60 * 60 * 48) { return context.getString(R.string.last_seen_day); } else { return context.getString(R.string.last_seen_days, Math.round(difference / (60.0 * 60.0 * 24.0))); } } public static int getColorForName(String name) { return getColorForName(name, false); } public static int getColorForName(String name, boolean safe) { if (Config.XEP_0392) { return XEP0392Helper.rgbFromNick(name); } if (name == null || name.isEmpty()) { return 0xFF202020; } if (safe) { return SAFE_COLORS[(int) (getLongForName(name) % SAFE_COLORS.length)]; } else { return COLORS[(int) (getLongForName(name) % COLORS.length)]; } } private static long getLongForName(String name) { try { final MessageDigest messageDigest = MessageDigest.getInstance("MD5"); return Math.abs(new BigInteger(messageDigest.digest(name.getBytes())).longValue()); } catch (Exception e) { return 0; } } public static Pair getMessagePreview(final Context context, final Message message) { return getMessagePreview(context, message, 0); } public static Pair getMessagePreview(final Context context, final Message message, @ColorInt int textColor) { final Transferable d = message.getTransferable(); if (d != null) { switch (d.getStatus()) { case Transferable.STATUS_CHECKING: return new Pair<>(context.getString(R.string.checking_x, getFileDescriptionString(context, message)), true); case Transferable.STATUS_DOWNLOADING: return new Pair<>(context.getString(R.string.receiving_x_file, getFileDescriptionString(context, message), d.getProgress()), true); case Transferable.STATUS_OFFER: case Transferable.STATUS_OFFER_CHECK_FILESIZE: return new Pair<>(context.getString(R.string.x_file_offered_for_download, getFileDescriptionString(context, message)), true); case Transferable.STATUS_FAILED: return new Pair<>(context.getString(R.string.file_transmission_failed), true); case Transferable.STATUS_UPLOADING: if (message.getStatus() == Message.STATUS_OFFERED) { return new Pair<>(context.getString(R.string.offering_x_file, getFileDescriptionString(context, message)), true); } else { return new Pair<>(context.getString(R.string.sending_x_file, getFileDescriptionString(context, message)), true); } default: return new Pair<>("", false); } } else if (message.isFileOrImage() && message.isFileDeleted()) { return new Pair<>(context.getString(R.string.file_deleted), true); } else if (message.getEncryption() == Message.ENCRYPTION_PGP) { return new Pair<>(context.getString(R.string.pgp_message), true); } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) { return new Pair<>(context.getString(R.string.decryption_failed), true); } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) { return new Pair<>(context.getString(R.string.not_encrypted_for_this_device), true); } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) { return new Pair<>(context.getString(R.string.omemo_decryption_failed), true); } else if (message.isFileOrImage()) { return new Pair<>(getFileDescriptionString(context, message), true); } else { final String body = MessageUtils.filterLtrRtl(message.getBody()); if (body.startsWith(Message.ME_COMMAND)) { return new Pair<>(body.replaceAll("^" + Message.ME_COMMAND, UIHelper.getMessageDisplayName(message)), false); } else if (message.isGeoUri()) { return new Pair<>(context.getString(R.string.location), true); } else if (message.isXmppUri()) { return new Pair<>(context.getString(R.string.contact), true); } else if (message.treatAsDownloadable()) { return new Pair<>(context.getString(R.string.x_file_offered_for_download, getFileDescriptionString(context, message)), true); } else { SpannableStringBuilder styledBody = new SpannableStringBuilder(body); if (textColor != 0) { StylingHelper.format(styledBody, 0, styledBody.length() - 1, textColor); } SpannableStringBuilder builder = new SpannableStringBuilder(); for (CharSequence l : CharSequenceUtils.split(styledBody, '\n')) { if (l.length() > 0) { if (l.toString().equals("```")) { continue; } char first = l.charAt(0); if ((first != '>' || !isPositionFollowedByQuoteableCharacter(l,0)) && first != '\u00bb') { CharSequence line = CharSequenceUtils.trim(l); if (line.length() == 0) { continue; } char last = line.charAt(line.length()-1); if (builder.length() != 0) { builder.append(' '); } builder.append(line); if (!PUNCTIONATION.contains(last)) { break; } } } } if (builder.length() == 0) { builder.append(body.trim()); } return new Pair<>(builder, false); } } } public static boolean isLastLineQuote(String body) { if (body.endsWith("\n")) { return false; } String[] lines = body.split("\n"); if (lines.length == 0) { return false; } String line = lines[lines.length - 1]; if (line.isEmpty()) { return false; } char first = line.charAt(0); return first == '>' && isPositionFollowedByQuoteableCharacter(line, 0) || first == '\u00bb'; } public static CharSequence shorten(CharSequence input) { return input.length() > 256 ? StylingHelper.subSequence(input, 0, 256) : input; } public static boolean isPositionFollowedByQuoteableCharacter(CharSequence body, int pos) { return !isPositionFollowedByNumber(body, pos) && !isPositionFollowedByEmoticon(body, pos) && !isPositionFollowedByEquals(body, pos); } private static boolean isPositionFollowedByNumber(CharSequence body, int pos) { boolean previousWasNumber = false; for (int i = pos + 1; i < body.length(); i++) { char c = body.charAt(i); if (Character.isDigit(body.charAt(i))) { previousWasNumber = true; } else if (previousWasNumber && (c == '.' || c == ',')) { previousWasNumber = false; } else { return (Character.isWhitespace(c) || c == '%' || c == '+') && previousWasNumber; } } return previousWasNumber; } private static boolean isPositionFollowedByEquals(CharSequence body, int pos) { return body.length() > pos + 1 && body.charAt(pos + 1) == '='; } private static boolean isPositionFollowedByEmoticon(CharSequence body, int pos) { if (body.length() <= pos + 1) { return false; } else { final char first = body.charAt(pos + 1); return first == ';' || first == ':' || closingBeforeWhitespace(body, pos + 1); } } private static boolean closingBeforeWhitespace(CharSequence body, int pos) { for (int i = pos; i < body.length(); ++i) { final char c = body.charAt(i); if (Character.isWhitespace(c)) { return false; } else if (c == '<' || c == '>') { return body.length() == i + 1 || Character.isWhitespace(body.charAt(i + 1)); } } return false; } public static boolean isPositionFollowedByQuote(CharSequence body, int pos) { if (body.length() <= pos + 1 || Character.isWhitespace(body.charAt(pos + 1))) { return false; } boolean previousWasWhitespace = false; for (int i = pos + 1; i < body.length(); i++) { char c = body.charAt(i); if (c == '\n' || c == '»') { return false; } else if (c == '«' && !previousWasWhitespace) { return true; } else { previousWasWhitespace = Character.isWhitespace(c); } } return false; } public static String getDisplayName(MucOptions.User user) { Contact contact = user.getContact(); if (contact != null) { return contact.getDisplayName(); } else { final String name = user.getName(); if (name != null) { return name; } final Jid realJid = user.getRealJid(); if (realJid != null) { return JidHelper.localPartOrFallback(realJid); } return null; } } public static String concatNames(List users) { return concatNames(users, users.size()); } public static String concatNames(List users, int max) { StringBuilder builder = new StringBuilder(); final boolean shortNames = users.size() >= 3; for (int i = 0; i < Math.min(users.size(), max); ++i) { if (builder.length() != 0) { builder.append(", "); } final String name = UIHelper.getDisplayName(users.get(i)); if (name != null) { builder.append(shortNames ? name.split("\\s+")[0] : name); } } return builder.toString(); } public static String getFileDescriptionString(final Context context, final Message message) { if (message.getType() == Message.TYPE_IMAGE) { return context.getString(R.string.image); } final String mime = message.getMimeType(); if (mime == null) { return context.getString(R.string.file); } else if (mime.startsWith("audio/")) { return context.getString(R.string.audio); } else if (mime.startsWith("video/")) { return context.getString(R.string.video); } else if (mime.equals("image/gif")) { return context.getString(R.string.gif); } else if (mime.startsWith("image/")) { return context.getString(R.string.image); } else if (mime.contains("pdf")) { return context.getString(R.string.pdf_document); } else if (mime.equals("application/vnd.android.package-archive")) { return context.getString(R.string.apk); } else if (mime.contains("vcard")) { return context.getString(R.string.vcard); } else if (mime.equals("application/epub+zip") || mime.equals("application/vnd.amazon.mobi8-ebook")) { return context.getString(R.string.ebook); } else { return mime; } } public static String getMessageDisplayName(final Message message) { final Conversational conversation = message.getConversation(); if (message.getStatus() == Message.STATUS_RECEIVED) { final Contact contact = message.getContact(); if (conversation.getMode() == Conversation.MODE_MULTI) { if (contact != null) { return contact.getDisplayName(); } else { return getDisplayedMucCounterpart(message.getCounterpart()); } } else { return contact != null ? contact.getDisplayName() : ""; } } else { if (conversation instanceof Conversation && conversation.getMode() == Conversation.MODE_MULTI) { return ((Conversation) conversation).getMucOptions().getSelf().getName(); } else { final Jid jid = conversation.getAccount().getJid(); return jid.getLocal() != null ? jid.getLocal() : Jid.ofDomain(jid.getDomain()).toString(); } } } public static String getMessageHint(Context context, Conversation conversation) { switch (conversation.getNextEncryption()) { case Message.ENCRYPTION_NONE: if (Config.multipleEncryptionChoices()) { return context.getString(R.string.send_unencrypted_message); } else { return context.getString(R.string.send_message_to_x, conversation.getName()); } case Message.ENCRYPTION_OTR: return context.getString(R.string.send_otr_message); case Message.ENCRYPTION_AXOLOTL: AxolotlService axolotlService = conversation.getAccount().getAxolotlService(); if (axolotlService != null && axolotlService.trustedSessionVerified(conversation)) { return context.getString(R.string.send_omemo_x509_message); } else { return context.getString(R.string.send_omemo_message); } case Message.ENCRYPTION_PGP: return context.getString(R.string.send_pgp_message); default: return ""; } } public static String getDisplayedMucCounterpart(final Jid counterpart) { if (counterpart == null) { return ""; } else if (!counterpart.isBareJid()) { return counterpart.getResource().trim(); } else { return counterpart.toString().trim(); } } public static boolean receivedLocationQuestion(Message message) { if (message == null || message.getStatus() != Message.STATUS_RECEIVED || message.getType() != Message.TYPE_TEXT) { return false; } String body = message.getBody() == null ? null : message.getBody().trim().toLowerCase(Locale.getDefault()); body = body.replace("?", "").replace("¿", ""); return LOCATION_QUESTIONS.contains(body); } public static ListItem.Tag getTagForStatus(Context context, Presence.Status status, Account account) { switch (status) { case CHAT: return new ListItem.Tag(context.getString(R.string.presence_chat), 0xff259b24, 0, account); case AWAY: return new ListItem.Tag(context.getString(R.string.presence_away), 0xffff9800, 0, account); case XA: return new ListItem.Tag(context.getString(R.string.presence_xa), 0xfff44336, 0, account); case DND: return new ListItem.Tag(context.getString(R.string.presence_dnd), 0xfff44336, 0, account); case OFFLINE: return new ListItem.Tag(context.getString(R.string.presence_offline), 0xff808080, 1, account); default: return new ListItem.Tag(context.getString(R.string.presence_online), 0xff259b24, 0, account); } } public static String filesizeToString(long size) { if (size > (1 * 1024 * 1024)) { return Math.round(size * 1f / (1024 * 1024)) + " MiB"; } else if (size >= 1024) { return Math.round(size * 1f / 1024) + " KiB"; } else { return size + " B"; } } }