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