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.ArrayList;
 12import java.util.Arrays;
 13import java.util.Calendar;
 14import java.util.Date;
 15import java.util.List;
 16import java.util.Locale;
 17
 18import eu.siacs.conversations.Config;
 19import eu.siacs.conversations.R;
 20import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 21import eu.siacs.conversations.entities.Contact;
 22import eu.siacs.conversations.entities.Conversation;
 23import eu.siacs.conversations.entities.ListItem;
 24import eu.siacs.conversations.entities.Message;
 25import eu.siacs.conversations.entities.Presence;
 26import eu.siacs.conversations.entities.Transferable;
 27import eu.siacs.conversations.ui.XmppActivity;
 28import eu.siacs.conversations.xmpp.jid.Jid;
 29
 30public class UIHelper {
 31
 32	private static String BLACK_HEART_SUIT = "\u2665";
 33	private static String HEAVY_BLACK_HEART_SUIT = "\u2764";
 34	private static String WHITE_HEART_SUIT = "\u2661";
 35
 36	public static final List<String> HEARTS = Arrays.asList(BLACK_HEART_SUIT,HEAVY_BLACK_HEART_SUIT,WHITE_HEART_SUIT);
 37
 38	private static final List<String> LOCATION_QUESTIONS = Arrays.asList(
 39			"where are you", //en
 40			"where are you now", //en
 41			"where are you right now", //en
 42			"whats your 20", //en
 43			"what is your 20", //en
 44			"what's your 20", //en
 45			"whats your twenty", //en
 46			"what is your twenty", //en
 47			"what's your twenty", //en
 48			"wo bist du", //de
 49			"wo bist du jetzt", //de
 50			"wo bist du gerade", //de
 51			"wo seid ihr", //de
 52			"wo seid ihr jetzt", //de
 53			"wo seid ihr gerade", //de
 54			"dónde estás", //es
 55			"donde estas" //es
 56		);
 57
 58	private static final List<Character> PUNCTIONATION = Arrays.asList('.',',','?','!',';',':');
 59
 60	private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
 61		| DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
 62	private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
 63		| DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
 64
 65	public static String readableTimeDifference(Context context, long time) {
 66		return readableTimeDifference(context, time, false);
 67	}
 68
 69	public static String readableTimeDifferenceFull(Context context, long time) {
 70		return readableTimeDifference(context, time, true);
 71	}
 72
 73	private static String readableTimeDifference(Context context, long time,
 74			boolean fullDate) {
 75		if (time == 0) {
 76			return context.getString(R.string.just_now);
 77		}
 78		Date date = new Date(time);
 79		long difference = (System.currentTimeMillis() - time) / 1000;
 80		if (difference < 60) {
 81			return context.getString(R.string.just_now);
 82		} else if (difference < 60 * 2) {
 83			return context.getString(R.string.minute_ago);
 84		} else if (difference < 60 * 15) {
 85			return context.getString(R.string.minutes_ago,Math.round(difference / 60.0));
 86		} else if (today(date)) {
 87			java.text.DateFormat df = DateFormat.getTimeFormat(context);
 88			return df.format(date);
 89		} else {
 90			if (fullDate) {
 91				return DateUtils.formatDateTime(context, date.getTime(),
 92						FULL_DATE_FLAGS);
 93			} else {
 94				return DateUtils.formatDateTime(context, date.getTime(),
 95						SHORT_DATE_FLAGS);
 96			}
 97		}
 98	}
 99
100	private static boolean today(Date date) {
101		return sameDay(date,new Date(System.currentTimeMillis()));
102	}
103
104	private static boolean sameDay(Date a, Date b) {
105		Calendar cal1 = Calendar.getInstance();
106		Calendar cal2 = Calendar.getInstance();
107		cal1.setTime(a);
108		cal2.setTime(b);
109		return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
110			&& cal1.get(Calendar.DAY_OF_YEAR) == cal2
111			.get(Calendar.DAY_OF_YEAR);
112	}
113
114	public static String lastseen(Context context, boolean active, long time) {
115		long difference = (System.currentTimeMillis() - time) / 1000;
116		active = active && difference <= 300;
117		if (active || difference < 60) {
118			return context.getString(R.string.last_seen_now);
119		} else if (difference < 60 * 2) {
120			return context.getString(R.string.last_seen_min);
121		} else if (difference < 60 * 60) {
122			return context.getString(R.string.last_seen_mins,
123					Math.round(difference / 60.0));
124		} else if (difference < 60 * 60 * 2) {
125			return context.getString(R.string.last_seen_hour);
126		} else if (difference < 60 * 60 * 24) {
127			return context.getString(R.string.last_seen_hours,
128					Math.round(difference / (60.0 * 60.0)));
129		} else if (difference < 60 * 60 * 48) {
130			return context.getString(R.string.last_seen_day);
131		} else {
132			return context.getString(R.string.last_seen_days,
133					Math.round(difference / (60.0 * 60.0 * 24.0)));
134		}
135	}
136
137	public static int getColorForName(String name) {
138		if (name == null || name.isEmpty()) {
139			return 0xFF202020;
140		}
141		int colors[] = {0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5,
142			0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
143			0xFF795548, 0xFF607d8b};
144		return colors[(int) ((name.hashCode() & 0xffffffffl) % colors.length)];
145	}
146
147	public static Pair<String,Boolean> getMessagePreview(final Context context, final Message message) {
148		final Transferable d = message.getTransferable();
149		if (d != null ) {
150			switch (d.getStatus()) {
151				case Transferable.STATUS_CHECKING:
152					return new Pair<>(context.getString(R.string.checking_x,
153									getFileDescriptionString(context,message)),true);
154				case Transferable.STATUS_DOWNLOADING:
155					return new Pair<>(context.getString(R.string.receiving_x_file,
156									getFileDescriptionString(context,message),
157									d.getProgress()),true);
158				case Transferable.STATUS_OFFER:
159				case Transferable.STATUS_OFFER_CHECK_FILESIZE:
160					return new Pair<>(context.getString(R.string.x_file_offered_for_download,
161									getFileDescriptionString(context,message)),true);
162				case Transferable.STATUS_DELETED:
163					return new Pair<>(context.getString(R.string.file_deleted),true);
164				case Transferable.STATUS_FAILED:
165					return new Pair<>(context.getString(R.string.file_transmission_failed),true);
166				case Transferable.STATUS_UPLOADING:
167					if (message.getStatus() == Message.STATUS_OFFERED) {
168						return new Pair<>(context.getString(R.string.offering_x_file,
169								getFileDescriptionString(context, message)), true);
170					} else {
171						return new Pair<>(context.getString(R.string.sending_x_file,
172								getFileDescriptionString(context, message)), true);
173					}
174				default:
175					return new Pair<>("",false);
176			}
177		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
178			return new Pair<>(context.getString(R.string.pgp_message),true);
179		} else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
180			return new Pair<>(context.getString(R.string.decryption_failed), true);
181		} else if (message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) {
182			if (message.getStatus() == Message.STATUS_RECEIVED) {
183				return new Pair<>(context.getString(R.string.received_x_file,
184							getFileDescriptionString(context, message)), true);
185			} else {
186				return new Pair<>(getFileDescriptionString(context,message),true);
187			}
188		} else {
189			final String body = message.getBody();
190			if (body.startsWith(Message.ME_COMMAND)) {
191				return new Pair<>(body.replaceAll("^" + Message.ME_COMMAND,
192						UIHelper.getMessageDisplayName(message) + " "), false);
193			} else if (GeoHelper.isGeoUri(message.getBody())) {
194				if (message.getStatus() == Message.STATUS_RECEIVED) {
195					return new Pair<>(context.getString(R.string.received_location), true);
196				} else {
197					return new Pair<>(context.getString(R.string.location), true);
198				}
199			} else if (message.treatAsDownloadable() == Message.Decision.MUST) {
200				return new Pair<>(context.getString(R.string.x_file_offered_for_download,
201						getFileDescriptionString(context,message)),true);
202			} else {
203				String[] lines = body.split("\n");
204				StringBuilder builder = new StringBuilder();
205				for(String l : lines) {
206					if (l.length() > 0) {
207						char first = l.charAt(0);
208						if ((first != '>' || isPositionFollowedByNumber(l,0)) && first != '\u00bb') {
209							String line = l.trim();
210							if (line.isEmpty()) {
211								continue;
212							}
213							char last = line.charAt(line.length()-1);
214							if (builder.length() != 0) {
215								builder.append(' ');
216							}
217							builder.append(line);
218							if (!PUNCTIONATION.contains(last)) {
219								break;
220							}
221						}
222					}
223				}
224				if (builder.length() == 0) {
225					builder.append(body.trim());
226				}
227				return new Pair<>(builder.length() > 256 ? builder.substring(0,256) : builder.toString(), false);
228			}
229		}
230	}
231
232	public static boolean isPositionFollowedByNumber(CharSequence body, int pos) {
233		boolean previousWasNumber = false;
234		for (int i = pos +1; i < body.length(); i++) {
235			char c = body.charAt(i);
236			if (Character.isDigit(body.charAt(i))) {
237				previousWasNumber = true;
238			} else if (previousWasNumber && (c == '.' || c == ',')) {
239				previousWasNumber = false;
240			} else {
241				return Character.isWhitespace(c) && previousWasNumber;
242			}
243		}
244		return previousWasNumber;
245	}
246
247	public static String getFileDescriptionString(final Context context, final Message message) {
248		if (message.getType() == Message.TYPE_IMAGE) {
249			return context.getString(R.string.image);
250		}
251		final String mime = message.getMimeType();
252		if (mime == null) {
253			return context.getString(R.string.file);
254		} else if (mime.startsWith("audio/")) {
255			return context.getString(R.string.audio);
256		} else if(mime.startsWith("video/")) {
257			return context.getString(R.string.video);
258		} else if (mime.startsWith("image/")) {
259			return context.getString(R.string.image);
260		} else if (mime.contains("pdf")) {
261			return context.getString(R.string.pdf_document)	;
262		} else if (mime.contains("application/vnd.android.package-archive")) {
263			return context.getString(R.string.apk)	;
264		} else if (mime.contains("vcard")) {
265			return context.getString(R.string.vcard)	;
266		} else {
267			return mime;
268		}
269	}
270
271	public static String getMessageDisplayName(final Message message) {
272		final Conversation conversation = message.getConversation();
273		if (message.getStatus() == Message.STATUS_RECEIVED) {
274			final Contact contact = message.getContact();
275			if (conversation.getMode() == Conversation.MODE_MULTI) {
276				if (contact != null) {
277					return contact.getDisplayName();
278				} else {
279					return getDisplayedMucCounterpart(message.getCounterpart());
280				}
281			} else {
282				return contact != null ? contact.getDisplayName() : "";
283			}
284		} else {
285			if (conversation.getMode() == Conversation.MODE_MULTI) {
286				return conversation.getMucOptions().getSelf().getName();
287			} else {
288				final Jid jid = conversation.getAccount().getJid();
289				return jid.hasLocalpart() ? jid.getLocalpart() : jid.toDomainJid().toString();
290			}
291		}
292	}
293
294	public static String getMessageHint(Context context, Conversation conversation) {
295		switch (conversation.getNextEncryption()) {
296			case Message.ENCRYPTION_NONE:
297				if (Config.multipleEncryptionChoices()) {
298					return context.getString(R.string.send_unencrypted_message);
299				} else {
300					return context.getString(R.string.send_message_to_x,conversation.getName());
301				}
302			case Message.ENCRYPTION_OTR:
303				return context.getString(R.string.send_otr_message);
304			case Message.ENCRYPTION_AXOLOTL:
305				AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
306				if (axolotlService != null && axolotlService.trustedSessionVerified(conversation)) {
307					return context.getString(R.string.send_omemo_x509_message);
308				} else {
309					return context.getString(R.string.send_omemo_message);
310				}
311			case Message.ENCRYPTION_PGP:
312				return context.getString(R.string.send_pgp_message);
313			default:
314				return "";
315		}
316	}
317
318	public static String getDisplayedMucCounterpart(final Jid counterpart) {
319		if (counterpart==null) {
320			return "";
321		} else if (!counterpart.isBareJid()) {
322			return counterpart.getResourcepart().trim();
323		} else {
324			return counterpart.toString().trim();
325		}
326	}
327
328	public static boolean receivedLocationQuestion(Message message) {
329		if (message == null
330				|| message.getStatus() != Message.STATUS_RECEIVED
331				|| message.getType() != Message.TYPE_TEXT) {
332			return false;
333		}
334		String body = message.getBody() == null ? null : message.getBody().trim().toLowerCase(Locale.getDefault());
335		body = body.replace("?","").replace("¿","");
336		return LOCATION_QUESTIONS.contains(body);
337	}
338
339	public static ListItem.Tag getTagForStatus(Context context, Presence.Status status) {
340		switch (status) {
341			case CHAT:
342				return new ListItem.Tag(context.getString(R.string.presence_chat), 0xff259b24);
343			case AWAY:
344				return new ListItem.Tag(context.getString(R.string.presence_away), 0xffff9800);
345			case XA:
346				return new ListItem.Tag(context.getString(R.string.presence_xa), 0xfff44336);
347			case DND:
348				return new ListItem.Tag(context.getString(R.string.presence_dnd), 0xfff44336);
349			default:
350				return new ListItem.Tag(context.getString(R.string.presence_online), 0xff259b24);
351		}
352	}
353
354	public static String tranlasteType(Context context, String type) {
355		switch (type.toLowerCase()) {
356			case "pc":
357				return context.getString(R.string.type_pc);
358			case "phone":
359				return context.getString(R.string.type_phone);
360			case "tablet":
361				return context.getString(R.string.type_tablet);
362			case "web":
363				return context.getString(R.string.type_web);
364			case "console":
365				return context.getString(R.string.type_console);
366			default:
367				return type;
368		}
369	}
370
371	public static boolean showIconsInPopup(PopupMenu attachFilePopup) {
372		try {
373			Field field = attachFilePopup.getClass().getDeclaredField("mPopup");
374			field.setAccessible(true);
375			Object menuPopupHelper = field.get(attachFilePopup);
376			Class<?> cls = Class.forName("com.android.internal.view.menu.MenuPopupHelper");
377			Method method = cls.getDeclaredMethod("setForceShowIcon", new Class[]{boolean.class});
378			method.setAccessible(true);
379			method.invoke(menuPopupHelper, new Object[]{true});
380			return true;
381		} catch (Exception e) {
382			return false;
383		}
384	}
385}