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