1package eu.siacs.conversations.utils;
2
3import java.io.FileNotFoundException;
4import java.util.ArrayList;
5import java.util.Calendar;
6import java.util.Date;
7import java.util.List;
8import java.util.Locale;
9import java.util.regex.Pattern;
10import java.util.regex.Matcher;
11
12import eu.siacs.conversations.R;
13import eu.siacs.conversations.entities.Account;
14import eu.siacs.conversations.entities.Contact;
15import eu.siacs.conversations.entities.Conversation;
16import eu.siacs.conversations.entities.Message;
17import eu.siacs.conversations.entities.MucOptions.User;
18import eu.siacs.conversations.ui.ConversationActivity;
19import eu.siacs.conversations.ui.ManageAccountActivity;
20import android.annotation.SuppressLint;
21import android.app.Activity;
22import android.app.AlertDialog;
23import android.app.Notification;
24import android.app.NotificationManager;
25import android.app.PendingIntent;
26import android.content.Context;
27import android.content.DialogInterface;
28import android.content.DialogInterface.OnClickListener;
29import android.content.Intent;
30import android.content.SharedPreferences;
31import android.graphics.Bitmap;
32import android.graphics.BitmapFactory;
33import android.graphics.Canvas;
34import android.graphics.Paint;
35import android.graphics.Rect;
36import android.graphics.Typeface;
37import android.net.Uri;
38import android.preference.PreferenceManager;
39import android.provider.ContactsContract.Contacts;
40import android.support.v4.app.NotificationCompat;
41import android.support.v4.app.TaskStackBuilder;
42import android.text.format.DateFormat;
43import android.text.format.DateUtils;
44import android.text.Html;
45import android.util.DisplayMetrics;
46import android.view.LayoutInflater;
47import android.view.View;
48import android.widget.QuickContactBadge;
49import android.widget.TextView;
50
51public class UIHelper {
52 private static final int BG_COLOR = 0xFF181818;
53 private static final int FG_COLOR = 0xFFFAFAFA;
54 private static final int TRANSPARENT = 0x00000000;
55 private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
56 | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
57 private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
58 | DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
59
60 public static String readableTimeDifference(Context context, long time) {
61 return readableTimeDifference(context, time, false);
62 }
63
64 public static String readableTimeDifferenceFull(Context context, long time) {
65 return readableTimeDifference(context, time, true);
66 }
67
68 private static String readableTimeDifference(Context context, long time,
69 boolean fullDate) {
70 if (time == 0) {
71 return context.getString(R.string.just_now);
72 }
73 Date date = new Date(time);
74 long difference = (System.currentTimeMillis() - time) / 1000;
75 if (difference < 60) {
76 return context.getString(R.string.just_now);
77 } else if (difference < 60 * 2) {
78 return context.getString(R.string.minute_ago);
79 } else if (difference < 60 * 15) {
80 return context.getString(R.string.minutes_ago,
81 Math.round(difference / 60.0));
82 } else if (today(date)) {
83 java.text.DateFormat df = DateFormat.getTimeFormat(context);
84 return df.format(date);
85 } else {
86 if (fullDate) {
87 return DateUtils.formatDateTime(context, date.getTime(),
88 FULL_DATE_FLAGS);
89 } else {
90 return DateUtils.formatDateTime(context, date.getTime(),
91 SHORT_DATE_FLAGS);
92 }
93 }
94 }
95
96 private static boolean today(Date date) {
97 Calendar cal1 = Calendar.getInstance();
98 Calendar cal2 = Calendar.getInstance();
99 cal1.setTime(date);
100 cal2.setTimeInMillis(System.currentTimeMillis());
101 return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
102 && cal1.get(Calendar.DAY_OF_YEAR) == cal2
103 .get(Calendar.DAY_OF_YEAR);
104 }
105
106 public static String lastseen(Context context, long time) {
107 if (time == 0) {
108 return context.getString(R.string.never_seen);
109 }
110 long difference = (System.currentTimeMillis() - time) / 1000;
111 if (difference < 60) {
112 return context.getString(R.string.last_seen_now);
113 } else if (difference < 60 * 2) {
114 return context.getString(R.string.last_seen_min);
115 } else if (difference < 60 * 60) {
116 return context.getString(R.string.last_seen_mins,
117 Math.round(difference / 60.0));
118 } else if (difference < 60 * 60 * 2) {
119 return context.getString(R.string.last_seen_hour);
120 } else if (difference < 60 * 60 * 24) {
121 return context.getString(R.string.last_seen_hours,
122 Math.round(difference / (60.0 * 60.0)));
123 } else if (difference < 60 * 60 * 48) {
124 return context.getString(R.string.last_seen_day);
125 } else {
126 return context.getString(R.string.last_seen_days,
127 Math.round(difference / (60.0 * 60.0 * 24.0)));
128 }
129 }
130
131 public static int getRealPx(int dp, Context context) {
132 final DisplayMetrics metrics = context.getResources()
133 .getDisplayMetrics();
134 return ((int) (dp * metrics.density));
135 }
136
137 private static int getNameColor(String name) {
138 /*
139 * int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
140 * 0xFFe92727 };
141 */
142 int holoColors[] = { 0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5,
143 0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
144 0xFF795548, 0xFF607d8b };
145 return holoColors[(int) ((name.hashCode() & 0xffffffffl) % holoColors.length)];
146 }
147
148 private static void drawTile(Canvas canvas, String letter, int tileColor,
149 int textColor, int left, int top, int right, int bottom) {
150 Paint tilePaint = new Paint(), textPaint = new Paint();
151 tilePaint.setColor(tileColor);
152 textPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
153 textPaint.setColor(textColor);
154 textPaint.setTypeface(Typeface.create("sans-serif-light",
155 Typeface.NORMAL));
156 textPaint.setTextSize((float) ((right - left) * 0.8));
157 Rect rect = new Rect();
158
159 canvas.drawRect(new Rect(left, top, right, bottom), tilePaint);
160 textPaint.getTextBounds(letter, 0, 1, rect);
161 float width = textPaint.measureText(letter);
162 canvas.drawText(letter, (right + left) / 2 - width / 2, (top + bottom)
163 / 2 + rect.height() / 2, textPaint);
164 }
165
166 private static Bitmap getUnknownContactPicture(String[] names, int size,
167 int bgColor, int fgColor) {
168 int tiles = (names.length > 4) ? 4 : (names.length < 1) ? 1
169 : names.length;
170 Bitmap bitmap = Bitmap
171 .createBitmap(size, size, Bitmap.Config.ARGB_8888);
172 Canvas canvas = new Canvas(bitmap);
173
174 String[] letters = new String[tiles];
175 int[] colors = new int[tiles];
176 if (names.length < 1) {
177 letters[0] = "?";
178 colors[0] = 0xFFe92727;
179 } else {
180 for (int i = 0; i < tiles; ++i) {
181 letters[i] = (names[i].length() > 0) ? names[i].substring(0, 1)
182 .toUpperCase(Locale.US) : " ";
183 colors[i] = getNameColor(names[i]);
184 }
185
186 if (names.length > 4) {
187 letters[3] = "\u2026"; // Unicode ellipsis
188 colors[3] = 0xFF202020;
189 }
190 }
191
192 bitmap.eraseColor(bgColor);
193
194 switch (tiles) {
195 case 1:
196 drawTile(canvas, letters[0], colors[0], fgColor, 0, 0, size, size);
197 break;
198
199 case 2:
200 drawTile(canvas, letters[0], colors[0], fgColor, 0, 0,
201 size / 2 - 1, size);
202 drawTile(canvas, letters[1], colors[1], fgColor, size / 2 + 1, 0,
203 size, size);
204 break;
205
206 case 3:
207 drawTile(canvas, letters[0], colors[0], fgColor, 0, 0,
208 size / 2 - 1, size);
209 drawTile(canvas, letters[1], colors[1], fgColor, size / 2 + 1, 0,
210 size, size / 2 - 1);
211 drawTile(canvas, letters[2], colors[2], fgColor, size / 2 + 1,
212 size / 2 + 1, size, size);
213 break;
214
215 case 4:
216 drawTile(canvas, letters[0], colors[0], fgColor, 0, 0,
217 size / 2 - 1, size / 2 - 1);
218 drawTile(canvas, letters[1], colors[1], fgColor, 0, size / 2 + 1,
219 size / 2 - 1, size);
220 drawTile(canvas, letters[2], colors[2], fgColor, size / 2 + 1, 0,
221 size, size / 2 - 1);
222 drawTile(canvas, letters[3], colors[3], fgColor, size / 2 + 1,
223 size / 2 + 1, size, size);
224 break;
225 }
226
227 return bitmap;
228 }
229
230 private static Bitmap getMucContactPicture(Conversation conversation,
231 int size, int bgColor, int fgColor) {
232 List<User> members = conversation.getMucOptions().getUsers();
233 if (members.size() == 0) {
234 return getUnknownContactPicture(
235 new String[] { conversation.getName() }, size, bgColor,
236 fgColor);
237 }
238 ArrayList<String> names = new ArrayList<String>();
239 names.add(conversation.getMucOptions().getActualNick());
240 for (User user : members) {
241 names.add(user.getName());
242 if (names.size() > 4) {
243 break;
244 }
245 }
246 String[] mArrayNames = new String[names.size()];
247 names.toArray(mArrayNames);
248 return getUnknownContactPicture(mArrayNames, size, bgColor, fgColor);
249 }
250
251 public static Bitmap getContactPicture(Conversation conversation,
252 int dpSize, Context context, boolean notification) {
253 if (conversation.getMode() == Conversation.MODE_SINGLE) {
254 return getContactPicture(conversation.getContact(), dpSize,
255 context, notification);
256 } else {
257 int fgColor = UIHelper.FG_COLOR, bgColor = (notification) ? UIHelper.BG_COLOR
258 : UIHelper.TRANSPARENT;
259
260 return getMucContactPicture(conversation,
261 getRealPx(dpSize, context), bgColor, fgColor);
262 }
263 }
264
265 public static Bitmap getContactPicture(Contact contact, int dpSize,
266 Context context, boolean notification) {
267 String uri = contact.getProfilePhoto();
268 if (uri == null) {
269 return getContactPicture(contact.getDisplayName(), dpSize, context,
270 notification);
271 }
272 try {
273 Bitmap bm = BitmapFactory.decodeStream(context.getContentResolver()
274 .openInputStream(Uri.parse(uri)));
275 return Bitmap.createScaledBitmap(bm, getRealPx(dpSize, context),
276 getRealPx(dpSize, context), false);
277 } catch (FileNotFoundException e) {
278 return getContactPicture(contact.getDisplayName(), dpSize, context,
279 notification);
280 }
281 }
282
283 public static Bitmap getContactPicture(String name, int dpSize,
284 Context context, boolean notification) {
285 int fgColor = UIHelper.FG_COLOR, bgColor = (notification) ? UIHelper.BG_COLOR
286 : UIHelper.TRANSPARENT;
287
288 return getUnknownContactPicture(new String[] { name },
289 getRealPx(dpSize, context), bgColor, fgColor);
290 }
291
292 public static void showErrorNotification(Context context,
293 List<Account> accounts) {
294 NotificationManager mNotificationManager = (NotificationManager) context
295 .getSystemService(Context.NOTIFICATION_SERVICE);
296 List<Account> accountsWproblems = new ArrayList<Account>();
297 for (Account account : accounts) {
298 if (account.hasErrorStatus()) {
299 accountsWproblems.add(account);
300 }
301 }
302 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
303 context);
304 if (accountsWproblems.size() == 0) {
305 mNotificationManager.cancel(1111);
306 return;
307 } else if (accountsWproblems.size() == 1) {
308 mBuilder.setContentTitle(context
309 .getString(R.string.problem_connecting_to_account));
310 mBuilder.setContentText(accountsWproblems.get(0).getJid());
311 } else {
312 mBuilder.setContentTitle(context
313 .getString(R.string.problem_connecting_to_accounts));
314 mBuilder.setContentText(context.getString(R.string.touch_to_fix));
315 }
316 mBuilder.setOngoing(true);
317 mBuilder.setLights(0xffffffff, 2000, 4000);
318 mBuilder.setSmallIcon(R.drawable.ic_notification);
319 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
320 stackBuilder.addParentStack(ConversationActivity.class);
321
322 Intent manageAccountsIntent = new Intent(context,
323 ManageAccountActivity.class);
324 stackBuilder.addNextIntent(manageAccountsIntent);
325
326 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,
327 PendingIntent.FLAG_UPDATE_CURRENT);
328
329 mBuilder.setContentIntent(resultPendingIntent);
330 Notification notification = mBuilder.build();
331 mNotificationManager.notify(1111, notification);
332 }
333
334 private static Pattern generateNickHighlightPattern(String nick) {
335 // We expect a word boundary, i.e. space or start of string, followed by
336 // the
337 // nick (matched in case-insensitive manner), followed by optional
338 // punctuation (for example "bob: i disagree" or "how are you alice?"),
339 // followed by another word boundary.
340 return Pattern.compile("\\b" + nick + "\\p{Punct}?\\b",
341 Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
342 }
343
344 public static void updateNotification(Context context,
345 List<Conversation> conversations, Conversation currentCon,
346 boolean notify) {
347 NotificationManager mNotificationManager = (NotificationManager) context
348 .getSystemService(Context.NOTIFICATION_SERVICE);
349
350 SharedPreferences preferences = PreferenceManager
351 .getDefaultSharedPreferences(context);
352 boolean showNofifications = preferences.getBoolean("show_notification",
353 true);
354 boolean vibrate = preferences.getBoolean("vibrate_on_notification",
355 true);
356 boolean alwaysNotify = preferences.getBoolean(
357 "notify_in_conversation_when_highlighted", false);
358
359 if (!showNofifications) {
360 mNotificationManager.cancel(2342);
361 return;
362 }
363
364 String targetUuid = "";
365
366 if ((currentCon != null)
367 && (currentCon.getMode() == Conversation.MODE_MULTI)
368 && (!alwaysNotify) && notify) {
369 String nick = currentCon.getMucOptions().getActualNick();
370 Pattern highlight = generateNickHighlightPattern(nick);
371 Matcher m = highlight.matcher(currentCon.getLatestMessage()
372 .getBody());
373 notify = m.find()
374 || (currentCon.getLatestMessage().getType() == Message.TYPE_PRIVATE);
375 }
376
377 List<Conversation> unread = new ArrayList<Conversation>();
378 for (Conversation conversation : conversations) {
379 if (conversation.getMode() == Conversation.MODE_MULTI) {
380 if ((!conversation.isRead())
381 && ((wasHighlightedOrPrivate(conversation) || (alwaysNotify)))) {
382 unread.add(conversation);
383 }
384 } else {
385 if (!conversation.isRead()) {
386 unread.add(conversation);
387 }
388 }
389 }
390 String ringtone = preferences.getString("notification_ringtone", null);
391
392 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
393 context);
394 if (unread.size() == 0) {
395 mNotificationManager.cancel(2342);
396 return;
397 } else if (unread.size() == 1) {
398 Conversation conversation = unread.get(0);
399 targetUuid = conversation.getUuid();
400 mBuilder.setLargeIcon(conversation.getImage(context, 64));
401 mBuilder.setContentTitle(conversation.getName());
402 if (notify) {
403 mBuilder.setTicker(conversation.getLatestMessage()
404 .getReadableBody(context));
405 }
406 StringBuilder bigText = new StringBuilder();
407 List<Message> messages = conversation.getMessages();
408 String firstLine = "";
409 for (int i = messages.size() - 1; i >= 0; --i) {
410 if (!messages.get(i).isRead()) {
411 if (i == messages.size() - 1) {
412 firstLine = messages.get(i).getReadableBody(context);
413 bigText.append(firstLine);
414 } else {
415 firstLine = messages.get(i).getReadableBody(context);
416 bigText.insert(0, firstLine + "\n");
417 }
418 } else {
419 break;
420 }
421 }
422 mBuilder.setContentText(firstLine);
423 mBuilder.setStyle(new NotificationCompat.BigTextStyle()
424 .bigText(bigText.toString()));
425 } else {
426 NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
427 style.setBigContentTitle(unread.size() + " "
428 + context.getString(R.string.unread_conversations));
429 StringBuilder names = new StringBuilder();
430 for (int i = 0; i < unread.size(); ++i) {
431 targetUuid = unread.get(i).getUuid();
432 if (i < unread.size() - 1) {
433 names.append(unread.get(i).getName() + ", ");
434 } else {
435 names.append(unread.get(i).getName());
436 }
437 style.addLine(Html.fromHtml("<b>"
438 + unread.get(i).getName()
439 + "</b> "
440 + unread.get(i).getLatestMessage()
441 .getReadableBody(context)));
442 }
443 mBuilder.setContentTitle(unread.size() + " "
444 + context.getString(R.string.unread_conversations));
445 mBuilder.setContentText(names.toString());
446 mBuilder.setStyle(style);
447 }
448 if ((currentCon != null) && (notify)) {
449 targetUuid = currentCon.getUuid();
450 }
451 if (unread.size() != 0) {
452 mBuilder.setSmallIcon(R.drawable.ic_notification);
453 if (notify) {
454 if (vibrate) {
455 int dat = 70;
456 long[] pattern = { 0, 3 * dat, dat, dat };
457 mBuilder.setVibrate(pattern);
458 }
459 mBuilder.setLights(0xffffffff, 2000, 4000);
460 if (ringtone != null) {
461 mBuilder.setSound(Uri.parse(ringtone));
462 }
463 }
464
465 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
466 stackBuilder.addParentStack(ConversationActivity.class);
467
468 Intent viewConversationIntent = new Intent(context,
469 ConversationActivity.class);
470 viewConversationIntent.setAction(Intent.ACTION_VIEW);
471 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
472 targetUuid);
473 viewConversationIntent
474 .setType(ConversationActivity.VIEW_CONVERSATION);
475
476 stackBuilder.addNextIntent(viewConversationIntent);
477
478 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
479 0, PendingIntent.FLAG_UPDATE_CURRENT);
480
481 mBuilder.setContentIntent(resultPendingIntent);
482 Notification notification = mBuilder.build();
483 mNotificationManager.notify(2342, notification);
484 }
485 }
486
487 private static boolean wasHighlightedOrPrivate(Conversation conversation) {
488 List<Message> messages = conversation.getMessages();
489 String nick = conversation.getMucOptions().getActualNick();
490 Pattern highlight = generateNickHighlightPattern(nick);
491 for (int i = messages.size() - 1; i >= 0; --i) {
492 if (messages.get(i).isRead()) {
493 break;
494 } else {
495 Matcher m = highlight.matcher(messages.get(i).getBody());
496 if (m.find()
497 || messages.get(i).getType() == Message.TYPE_PRIVATE) {
498 return true;
499 }
500 }
501 }
502 return false;
503 }
504
505 public static void prepareContactBadge(final Activity activity,
506 QuickContactBadge badge, final Contact contact, Context context) {
507 if (contact.getSystemAccount() != null) {
508 String[] systemAccount = contact.getSystemAccount().split("#");
509 long id = Long.parseLong(systemAccount[0]);
510 badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
511 }
512 badge.setImageBitmap(contact.getImage(72, context));
513 }
514
515 @SuppressLint("InflateParams")
516 public static AlertDialog getVerifyFingerprintDialog(
517 final ConversationActivity activity,
518 final Conversation conversation, final View msg) {
519 final Contact contact = conversation.getContact();
520 final Account account = conversation.getAccount();
521
522 AlertDialog.Builder builder = new AlertDialog.Builder(activity);
523 builder.setTitle("Verify fingerprint");
524 LayoutInflater inflater = activity.getLayoutInflater();
525 View view = inflater.inflate(R.layout.dialog_verify_otr, null);
526 TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
527 TextView fingerprint = (TextView) view
528 .findViewById(R.id.verify_otr_fingerprint);
529 TextView yourprint = (TextView) view
530 .findViewById(R.id.verify_otr_yourprint);
531
532 jid.setText(contact.getJid());
533 fingerprint.setText(conversation.getOtrFingerprint());
534 yourprint.setText(account.getOtrFingerprint());
535 builder.setNegativeButton("Cancel", null);
536 builder.setPositiveButton("Verify", new OnClickListener() {
537
538 @Override
539 public void onClick(DialogInterface dialog, int which) {
540 contact.addOtrFingerprint(conversation.getOtrFingerprint());
541 msg.setVisibility(View.GONE);
542 activity.xmppConnectionService.syncRosterToDisk(account);
543 }
544 });
545 builder.setView(view);
546 return builder.create();
547 }
548
549 public static Bitmap getSelfContactPicture(Account account, int size,
550 boolean showPhoneSelfContactPicture, Context context) {
551 if (showPhoneSelfContactPicture) {
552 Uri selfiUri = PhoneHelper.getSefliUri(context);
553 if (selfiUri != null) {
554 try {
555 return BitmapFactory.decodeStream(context
556 .getContentResolver().openInputStream(selfiUri));
557 } catch (FileNotFoundException e) {
558 return getContactPicture(account.getJid(), size, context,
559 false);
560 }
561 }
562 return getContactPicture(account.getJid(), size, context, false);
563 } else {
564 return getContactPicture(account.getJid(), size, context, false);
565 }
566 }
567
568 private final static class EmoticonPattern {
569 Pattern pattern;
570 String replacement;
571
572 EmoticonPattern(String ascii, int unicode) {
573 this.pattern = Pattern.compile("(?<=(^|\\s))" + ascii
574 + "(?=(\\s|$))");
575 this.replacement = new String(new int[] { unicode, }, 0, 1);
576 }
577
578 String replaceAll(String body) {
579 return pattern.matcher(body).replaceAll(replacement);
580 }
581 }
582
583 private static final EmoticonPattern[] patterns = new EmoticonPattern[] {
584 new EmoticonPattern(":-?D", 0x1f600),
585 new EmoticonPattern("\\^\\^", 0x1f601),
586 new EmoticonPattern(":'D", 0x1f602),
587 new EmoticonPattern("\\]-?D", 0x1f608),
588 new EmoticonPattern(";-?\\)", 0x1f609),
589 new EmoticonPattern(":-?\\)", 0x1f60a),
590 new EmoticonPattern("[B8]-?\\)", 0x1f60e),
591 new EmoticonPattern(":-?\\|", 0x1f610),
592 new EmoticonPattern(":-?[/\\\\]", 0x1f615),
593 new EmoticonPattern(":-?\\*", 0x1f617),
594 new EmoticonPattern(":-?[Ppb]", 0x1f61b),
595 new EmoticonPattern(":-?\\(", 0x1f61e),
596 new EmoticonPattern(":-?[0Oo]", 0x1f62e),
597 new EmoticonPattern("\\\\o/", 0x1F631), };
598
599 public static String transformAsciiEmoticons(String body) {
600 if (body != null) {
601 for (EmoticonPattern p : patterns) {
602 body = p.replaceAll(body);
603 }
604 body = body.trim();
605 }
606 return body;
607 }
608}