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