UIHelper.java

  1package eu.siacs.conversations.utils;
  2
  3import android.content.Context;
  4import android.text.format.DateFormat;
  5import android.text.format.DateUtils;
  6import android.util.Pair;
  7import android.widget.PopupMenu;
  8
  9import java.lang.reflect.Field;
 10import java.lang.reflect.Method;
 11import java.util.Arrays;
 12import java.util.Calendar;
 13import java.util.Date;
 14import java.util.List;
 15import java.util.Locale;
 16
 17import eu.siacs.conversations.Config;
 18import eu.siacs.conversations.R;
 19import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 20import eu.siacs.conversations.entities.Contact;
 21import eu.siacs.conversations.entities.Conversation;
 22import eu.siacs.conversations.entities.ListItem;
 23import eu.siacs.conversations.entities.Message;
 24import eu.siacs.conversations.entities.MucOptions;
 25import eu.siacs.conversations.entities.Presence;
 26import eu.siacs.conversations.entities.Transferable;
 27import eu.siacs.conversations.xmpp.jid.Jid;
 28
 29public class UIHelper {
 30
 31	private static final List<String> LOCATION_QUESTIONS = Arrays.asList(
 32			"where are you", //en
 33			"where are you now", //en
 34			"where are you right now", //en
 35			"whats your 20", //en
 36			"what is your 20", //en
 37			"what's your 20", //en
 38			"whats your twenty", //en
 39			"what is your twenty", //en
 40			"what's your twenty", //en
 41			"wo bist du", //de
 42			"wo bist du jetzt", //de
 43			"wo bist du gerade", //de
 44			"wo seid ihr", //de
 45			"wo seid ihr jetzt", //de
 46			"wo seid ihr gerade", //de
 47			"dónde estás", //es
 48			"donde estas" //es
 49		);
 50
 51	private static final List<Character> PUNCTIONATION = Arrays.asList('.',',','?','!',';',':');
 52
 53	private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
 54		| DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
 55	private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
 56		| DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
 57
 58	public static String readableTimeDifference(Context context, long time) {
 59		return readableTimeDifference(context, time, false);
 60	}
 61
 62	public static String readableTimeDifferenceFull(Context context, long time) {
 63		return readableTimeDifference(context, time, true);
 64	}
 65
 66	private static String readableTimeDifference(Context context, long time,
 67			boolean fullDate) {
 68		if (time == 0) {
 69			return context.getString(R.string.just_now);
 70		}
 71		Date date = new Date(time);
 72		long difference = (System.currentTimeMillis() - time) / 1000;
 73		if (difference < 60) {
 74			return context.getString(R.string.just_now);
 75		} else if (difference < 60 * 2) {
 76			return context.getString(R.string.minute_ago);
 77		} else if (difference < 60 * 15) {
 78			return context.getString(R.string.minutes_ago,Math.round(difference / 60.0));
 79		} else if (today(date)) {
 80			java.text.DateFormat df = DateFormat.getTimeFormat(context);
 81			return df.format(date);
 82		} else {
 83			if (fullDate) {
 84				return DateUtils.formatDateTime(context, date.getTime(),
 85						FULL_DATE_FLAGS);
 86			} else {
 87				return DateUtils.formatDateTime(context, date.getTime(),
 88						SHORT_DATE_FLAGS);
 89			}
 90		}
 91	}
 92
 93	private static boolean today(Date date) {
 94		return sameDay(date,new Date(System.currentTimeMillis()));
 95	}
 96
 97	public static boolean today(long date) {
 98		return sameDay(date,System.currentTimeMillis());
 99	}
100
101	public static boolean yesterday(long date) {
102		Calendar cal1 = Calendar.getInstance();
103		Calendar cal2 = Calendar.getInstance();
104		cal1.add(Calendar.DAY_OF_YEAR,-1);
105		cal2.setTime(new Date(date));
106		return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
107				&& cal1.get(Calendar.DAY_OF_YEAR) == cal2
108				.get(Calendar.DAY_OF_YEAR);
109	}
110
111	public static boolean sameDay(long a, long b) {
112		return sameDay(new Date(a),new Date(b));
113	}
114
115	private static boolean sameDay(Date a, Date b) {
116		Calendar cal1 = Calendar.getInstance();
117		Calendar cal2 = Calendar.getInstance();
118		cal1.setTime(a);
119		cal2.setTime(b);
120		return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
121			&& cal1.get(Calendar.DAY_OF_YEAR) == cal2
122			.get(Calendar.DAY_OF_YEAR);
123	}
124
125	public static String lastseen(Context context, boolean active, long time) {
126		long difference = (System.currentTimeMillis() - time) / 1000;
127		if (active) {
128			return context.getString(R.string.online_right_now);
129		} else if (difference < 60) {
130			return context.getString(R.string.last_seen_now);
131		} else if (difference < 60 * 2) {
132			return context.getString(R.string.last_seen_min);
133		} else if (difference < 60 * 60) {
134			return context.getString(R.string.last_seen_mins,
135					Math.round(difference / 60.0));
136		} else if (difference < 60 * 60 * 2) {
137			return context.getString(R.string.last_seen_hour);
138		} else if (difference < 60 * 60 * 24) {
139			return context.getString(R.string.last_seen_hours,
140					Math.round(difference / (60.0 * 60.0)));
141		} else if (difference < 60 * 60 * 48) {
142			return context.getString(R.string.last_seen_day);
143		} else {
144			return context.getString(R.string.last_seen_days,
145					Math.round(difference / (60.0 * 60.0 * 24.0)));
146		}
147	}
148
149	public static int getColorForName(String name) {
150		if (name == null || name.isEmpty()) {
151			return 0xFF202020;
152		}
153		int colors[] = {0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5,
154			0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
155			0xFF795548, 0xFF607d8b};
156		return colors[(int) ((name.hashCode() & 0xffffffffl) % colors.length)];
157	}
158
159	public static Pair<String,Boolean> getMessagePreview(final Context context, final Message message) {
160		final Transferable d = message.getTransferable();
161		if (d != null ) {
162			switch (d.getStatus()) {
163				case Transferable.STATUS_CHECKING:
164					return new Pair<>(context.getString(R.string.checking_x,
165									getFileDescriptionString(context,message)),true);
166				case Transferable.STATUS_DOWNLOADING:
167					return new Pair<>(context.getString(R.string.receiving_x_file,
168									getFileDescriptionString(context,message),
169									d.getProgress()),true);
170				case Transferable.STATUS_OFFER:
171				case Transferable.STATUS_OFFER_CHECK_FILESIZE:
172					return new Pair<>(context.getString(R.string.x_file_offered_for_download,
173									getFileDescriptionString(context,message)),true);
174				case Transferable.STATUS_DELETED:
175					return new Pair<>(context.getString(R.string.file_deleted),true);
176				case Transferable.STATUS_FAILED:
177					return new Pair<>(context.getString(R.string.file_transmission_failed),true);
178				case Transferable.STATUS_UPLOADING:
179					if (message.getStatus() == Message.STATUS_OFFERED) {
180						return new Pair<>(context.getString(R.string.offering_x_file,
181								getFileDescriptionString(context, message)), true);
182					} else {
183						return new Pair<>(context.getString(R.string.sending_x_file,
184								getFileDescriptionString(context, message)), true);
185					}
186				default:
187					return new Pair<>("",false);
188			}
189		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
190			return new Pair<>(context.getString(R.string.pgp_message),true);
191		} else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
192			return new Pair<>(context.getString(R.string.decryption_failed), true);
193		} else if (message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) {
194			if (message.getStatus() == Message.STATUS_RECEIVED) {
195				return new Pair<>(context.getString(R.string.received_x_file,
196							getFileDescriptionString(context, message)), true);
197			} else {
198				return new Pair<>(getFileDescriptionString(context,message),true);
199			}
200		} else {
201			final String body = message.getBody();
202			if (body.startsWith(Message.ME_COMMAND)) {
203				return new Pair<>(body.replaceAll("^" + Message.ME_COMMAND,
204						UIHelper.getMessageDisplayName(message) + " "), false);
205			} else if (message.isGeoUri()) {
206				if (message.getStatus() == Message.STATUS_RECEIVED) {
207					return new Pair<>(context.getString(R.string.received_location), true);
208				} else {
209					return new Pair<>(context.getString(R.string.location), true);
210				}
211			} else if (message.treatAsDownloadable()) {
212				return new Pair<>(context.getString(R.string.x_file_offered_for_download,
213						getFileDescriptionString(context,message)),true);
214			} else {
215				String[] lines = body.split("\n");
216				StringBuilder builder = new StringBuilder();
217				for(String l : lines) {
218					if (l.length() > 0) {
219						char first = l.charAt(0);
220						if ((first != '>' || !isPositionFollowedByQuoteableCharacter(l,0)) && first != '\u00bb') {
221							String line = l.trim();
222							if (line.isEmpty()) {
223								continue;
224							}
225							char last = line.charAt(line.length()-1);
226							if (builder.length() != 0) {
227								builder.append(' ');
228							}
229							builder.append(line);
230							if (!PUNCTIONATION.contains(last)) {
231								break;
232							}
233						}
234					}
235				}
236				if (builder.length() == 0) {
237					builder.append(body.trim());
238				}
239				return new Pair<>(builder.length() > 256 ? builder.substring(0,256) : builder.toString(), false);
240			}
241		}
242	}
243
244	public static boolean isPositionFollowedByQuoteableCharacter(CharSequence body, int pos) {
245		return !isPositionFollowedByNumber(body, pos)
246				&& !isPositionFollowedByEmoticon(body,pos)
247				&& !isPositionFollowedByEquals(body,pos);
248	}
249
250	private static boolean isPositionFollowedByNumber(CharSequence body, int pos) {
251		boolean previousWasNumber = false;
252		for (int i = pos +1; i < body.length(); i++) {
253			char c = body.charAt(i);
254			if (Character.isDigit(body.charAt(i))) {
255				previousWasNumber = true;
256			} else if (previousWasNumber && (c == '.' || c == ',')) {
257				previousWasNumber = false;
258			} else {
259				return (Character.isWhitespace(c) || c == '%' || c == '+') && previousWasNumber;
260			}
261		}
262		return previousWasNumber;
263	}
264
265	private static boolean isPositionFollowedByEquals(CharSequence body, int pos) {
266		return body.length() > pos + 1 && body.charAt(pos+1) == '=';
267	}
268
269	private static boolean isPositionFollowedByEmoticon(CharSequence body, int pos) {
270		if (body.length() <= pos +1) {
271			return false;
272		} else {
273			final char first = body.charAt(pos +1);
274			return first == ';'
275				|| first == ':'
276				|| smallerThanBeforeWhitespace(body,pos+1);
277		}
278	}
279
280	private static boolean smallerThanBeforeWhitespace(CharSequence body, int pos) {
281		for(int i = pos; i < body.length(); ++i) {
282			final char c = body.charAt(i);
283			if (Character.isWhitespace(c)) {
284				return false;
285			} else if (c == '<') {
286				return body.length() == i + 1 || Character.isWhitespace(body.charAt(i + 1));
287			}
288		}
289		return false;
290	}
291
292	public static boolean isPositionFollowedByQuote(CharSequence body, int pos) {
293		if (body.length() <= pos + 1 || Character.isWhitespace(body.charAt(pos+1))) {
294			return false;
295		}
296		boolean previousWasWhitespace = false;
297		for (int i = pos +1; i < body.length(); i++) {
298			char c = body.charAt(i);
299			if (c == '\n' || c == '»') {
300				return false;
301			} else if (c == '«' && !previousWasWhitespace) {
302				return true;
303			} else {
304				previousWasWhitespace = Character.isWhitespace(c);
305			}
306		}
307		return false;
308	}
309
310	public static String getDisplayName(MucOptions.User user) {
311		Contact contact = user.getContact();
312		if (contact != null) {
313			return contact.getDisplayName();
314		} else {
315			return user.getName();
316		}
317	}
318
319	public static String getFileDescriptionString(final Context context, final Message message) {
320		if (message.getType() == Message.TYPE_IMAGE) {
321			return context.getString(R.string.image);
322		}
323		final String mime = message.getMimeType();
324		if (mime == null) {
325			return context.getString(R.string.file);
326		} else if (mime.startsWith("audio/")) {
327			return context.getString(R.string.audio);
328		} else if(mime.startsWith("video/")) {
329			return context.getString(R.string.video);
330		} else if (mime.startsWith("image/")) {
331			return context.getString(R.string.image);
332		} else if (mime.contains("pdf")) {
333			return context.getString(R.string.pdf_document)	;
334		} else if (mime.contains("application/vnd.android.package-archive")) {
335			return context.getString(R.string.apk)	;
336		} else if (mime.contains("vcard")) {
337			return context.getString(R.string.vcard)	;
338		} else {
339			return mime;
340		}
341	}
342
343	public static String getMessageDisplayName(final Message message) {
344		final Conversation conversation = message.getConversation();
345		if (message.getStatus() == Message.STATUS_RECEIVED) {
346			final Contact contact = message.getContact();
347			if (conversation.getMode() == Conversation.MODE_MULTI) {
348				if (contact != null) {
349					return contact.getDisplayName();
350				} else {
351					return getDisplayedMucCounterpart(message.getCounterpart());
352				}
353			} else {
354				return contact != null ? contact.getDisplayName() : "";
355			}
356		} else {
357			if (conversation.getMode() == Conversation.MODE_MULTI) {
358				return conversation.getMucOptions().getSelf().getName();
359			} else {
360				final Jid jid = conversation.getAccount().getJid();
361				return jid.hasLocalpart() ? jid.getLocalpart() : jid.toDomainJid().toString();
362			}
363		}
364	}
365
366	public static String getMessageHint(Context context, Conversation conversation) {
367		switch (conversation.getNextEncryption()) {
368			case Message.ENCRYPTION_NONE:
369				if (Config.multipleEncryptionChoices()) {
370					return context.getString(R.string.send_unencrypted_message);
371				} else {
372					return context.getString(R.string.send_message_to_x,conversation.getName());
373				}
374			case Message.ENCRYPTION_OTR:
375				return context.getString(R.string.send_otr_message);
376			case Message.ENCRYPTION_AXOLOTL:
377				AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
378				if (axolotlService != null && axolotlService.trustedSessionVerified(conversation)) {
379					return context.getString(R.string.send_omemo_x509_message);
380				} else {
381					return context.getString(R.string.send_omemo_message);
382				}
383			case Message.ENCRYPTION_PGP:
384				return context.getString(R.string.send_pgp_message);
385			default:
386				return "";
387		}
388	}
389
390	public static String getDisplayedMucCounterpart(final Jid counterpart) {
391		if (counterpart==null) {
392			return "";
393		} else if (!counterpart.isBareJid()) {
394			return counterpart.getResourcepart().trim();
395		} else {
396			return counterpart.toString().trim();
397		}
398	}
399
400	public static boolean receivedLocationQuestion(Message message) {
401		if (message == null
402				|| message.getStatus() != Message.STATUS_RECEIVED
403				|| message.getType() != Message.TYPE_TEXT) {
404			return false;
405		}
406		String body = message.getBody() == null ? null : message.getBody().trim().toLowerCase(Locale.getDefault());
407		body = body.replace("?","").replace("¿","");
408		return LOCATION_QUESTIONS.contains(body);
409	}
410
411	public static ListItem.Tag getTagForStatus(Context context, Presence.Status status) {
412		switch (status) {
413			case CHAT:
414				return new ListItem.Tag(context.getString(R.string.presence_chat), 0xff259b24);
415			case AWAY:
416				return new ListItem.Tag(context.getString(R.string.presence_away), 0xffff9800);
417			case XA:
418				return new ListItem.Tag(context.getString(R.string.presence_xa), 0xfff44336);
419			case DND:
420				return new ListItem.Tag(context.getString(R.string.presence_dnd), 0xfff44336);
421			default:
422				return new ListItem.Tag(context.getString(R.string.presence_online), 0xff259b24);
423		}
424	}
425
426	public static String tranlasteType(Context context, String type) {
427		switch (type.toLowerCase()) {
428			case "pc":
429				return context.getString(R.string.type_pc);
430			case "phone":
431				return context.getString(R.string.type_phone);
432			case "tablet":
433				return context.getString(R.string.type_tablet);
434			case "web":
435				return context.getString(R.string.type_web);
436			case "console":
437				return context.getString(R.string.type_console);
438			default:
439				return type;
440		}
441	}
442
443	public static boolean showIconsInPopup(PopupMenu attachFilePopup) {
444		try {
445			Field field = attachFilePopup.getClass().getDeclaredField("mPopup");
446			field.setAccessible(true);
447			Object menuPopupHelper = field.get(attachFilePopup);
448			Class<?> cls = Class.forName("com.android.internal.view.menu.MenuPopupHelper");
449			Method method = cls.getDeclaredMethod("setForceShowIcon", new Class[]{boolean.class});
450			method.setAccessible(true);
451			method.invoke(menuPopupHelper, new Object[]{true});
452			return true;
453		} catch (Exception e) {
454			return false;
455		}
456	}
457}