1package eu.siacs.conversations.utils;
2
3import java.io.FileNotFoundException;
4import java.text.SimpleDateFormat;
5import java.util.ArrayList;
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;
20
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.DateUtils;
43import android.text.Html;
44import android.util.DisplayMetrics;
45import android.view.LayoutInflater;
46import android.view.View;
47import android.widget.LinearLayout;
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 = 0xFFE5E5E5;
54 private static final int TRANSPARENT = 0x00000000;
55 private static final int DATE_NO_YEAR_FLAGS = DateUtils.FORMAT_SHOW_DATE | 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 * 10) {
66 return difference / 60 + " " + context.getString(R.string.minutes_ago);
67 } else if (difference < 60 * 60 * 24) {
68 SimpleDateFormat sdf = new SimpleDateFormat("HH:mm",Locale.US);
69 return sdf.format(date);
70 } else {
71 return DateUtils.formatDateTime(context, date.getTime(), DATE_NO_YEAR_FLAGS);
72 }
73 }
74
75 public static String lastseen(Context context, long time) {
76 if (time==0) {
77 return context.getString(R.string.never_seen);
78 }
79 long difference = (System.currentTimeMillis() - time) / 1000;
80 if (difference < 60) {
81 return context.getString(R.string.last_seen_now);
82 } else if (difference < 60 * 90) {
83 return context.getString(R.string.last_seen_mins,difference/60);
84 } else if (difference < 60 * 60 * 36) {
85 return context.getString(R.string.last_seen_hours,difference/(60*60));
86 } else {
87 return context.getString(R.string.last_seen_days,difference/(60*60*24));
88 }
89 }
90
91 public static int getRealPx(int dp, Context context) {
92 final DisplayMetrics metrics = context.getResources().getDisplayMetrics();
93 return ((int) (dp * metrics.density));
94 }
95
96 private static int getNameColor(String name) {
97 int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
98 0xFFe92727 };
99 int color = holoColors[Math.abs(name.toLowerCase(Locale.getDefault()).hashCode()) % holoColors.length];
100 return color;
101 }
102
103 private static void drawTile(Canvas canvas, String letter, int tileColor, int textColor, int left, int top, int right, int bottom) {
104 int size = canvas.getWidth();
105 Paint tilePaint = new Paint(), textPaint = new Paint();
106 tilePaint.setColor(tileColor);
107 textPaint.setColor(textColor);
108 textPaint.setTypeface(Typeface.create("sans-serif-light", Typeface.NORMAL));
109 textPaint.setTextSize((float) ((right - left) * 0.8));
110 Rect rect = new Rect();
111
112 canvas.drawRect(new Rect(left, top, right, bottom), tilePaint);
113 textPaint.getTextBounds(letter, 0, 1, rect);
114 float width = textPaint.measureText(letter);
115 canvas.drawText(letter,
116 (right+left)/2 - width/2,
117 (top+bottom)/2 + rect.height()/2,
118 textPaint);
119 }
120
121 private static Bitmap getUnknownContactPicture(String[] names, int size, int bgColor, int fgColor) {
122 int tiles = (names.length > 4)? 4 :
123 (names.length < 1)? 1 :
124 names.length;
125 Bitmap bitmap = Bitmap
126 .createBitmap(size, size, Bitmap.Config.ARGB_8888);
127 Canvas canvas = new Canvas(bitmap);
128
129 String[] letters = new String[tiles];
130 int[] colors = new int[tiles];
131 if (names.length < 1) {
132 letters[0] = "?";
133 colors[0] = 0xFFe92727;
134 } else {
135 for(int i = 0; i < tiles; ++i) {
136 letters[i] = (names[i].length() > 0) ?
137 names[i].substring(0, 1).toUpperCase(Locale.US) : " ";
138 colors[i] = getNameColor(names[i]);
139 }
140
141 if (names.length > 4) {
142 letters[3] = "\u2026"; // Unicode ellipsis
143 colors[3] = 0xFF444444;
144 }
145 }
146
147 bitmap.eraseColor(bgColor);
148
149 switch(tiles) {
150 case 1:
151 drawTile(canvas, letters[0], colors[0], fgColor,
152 0, 0, size, size);
153 break;
154
155 case 2:
156 drawTile(canvas, letters[0], colors[0], fgColor,
157 0, 0, size/2 - 1, size);
158 drawTile(canvas, letters[1], colors[1], fgColor,
159 size/2 + 1, 0, size, size);
160 break;
161
162 case 3:
163 drawTile(canvas, letters[0], colors[0], fgColor,
164 0, 0, size/2 - 1, size);
165 drawTile(canvas, letters[1], colors[1], fgColor,
166 size/2 + 1, 0, size, size/2 - 1);
167 drawTile(canvas, letters[2], colors[2], fgColor,
168 size/2 + 1, size/2 + 1, size, size);
169 break;
170
171 case 4:
172 drawTile(canvas, letters[0], colors[0], fgColor,
173 0, 0, size/2 - 1, size/2 - 1);
174 drawTile(canvas, letters[1], colors[0], fgColor,
175 0, size/2 + 1, size/2 - 1, size);
176 drawTile(canvas, letters[2], colors[2], fgColor,
177 size/2 + 1, 0, size, size/2 - 1);
178 drawTile(canvas, letters[3], colors[3], fgColor,
179 size/2 + 1, size/2 + 1, size, size);
180 break;
181 }
182
183 return bitmap;
184 }
185
186 private static Bitmap getMucContactPicture(Conversation conversation, int size, int bgColor, int fgColor) {
187 List<User> members = conversation.getMucOptions().getUsers();
188 if (members.size() == 0) {
189 return getUnknownContactPicture(new String[]{conversation.getName(false)}, size, bgColor, fgColor);
190 }
191 String[] names = new String[members.size()+1];
192 names[0] = conversation.getMucOptions().getNick();
193 for(int i = 0; i < members.size(); ++i) {
194 names[i+1] = members.get(i).getName();
195 }
196
197 return getUnknownContactPicture(names, size, bgColor, fgColor);
198 }
199
200 public static Bitmap getContactPicture(Conversation conversation, int dpSize, Context context, boolean notification) {
201 if(conversation.getMode() == Conversation.MODE_SINGLE) {
202 return getContactPicture(conversation.getContact(), dpSize,
203 context, notification);
204 } else{
205 int fgColor = UIHelper.FG_COLOR,
206 bgColor = (notification) ?
207 UIHelper.BG_COLOR : UIHelper.TRANSPARENT;
208
209 return getMucContactPicture(conversation, getRealPx(dpSize, context),
210 bgColor, fgColor);
211 }
212 }
213
214 public static Bitmap getContactPicture(Contact contact, int dpSize, Context context, boolean notification) {
215 String uri = contact.getProfilePhoto();
216 if (uri==null) {
217 return getContactPicture(contact.getDisplayName(), dpSize,
218 context, notification);
219 }
220 try {
221 Bitmap bm = BitmapFactory.decodeStream(context.getContentResolver()
222 .openInputStream(Uri.parse(uri)));
223 return Bitmap.createScaledBitmap(bm, getRealPx(dpSize, context),
224 getRealPx(dpSize, context), false);
225 } catch (FileNotFoundException e) {
226 return getContactPicture(contact.getDisplayName(), dpSize,
227 context, notification);
228 }
229 }
230
231 public static Bitmap getContactPicture(String name, int dpSize, Context context, boolean notification) {
232 int fgColor = UIHelper.FG_COLOR,
233 bgColor = (notification) ?
234 UIHelper.BG_COLOR : UIHelper.TRANSPARENT;
235
236 return getUnknownContactPicture(new String[]{name}, getRealPx(dpSize, context),
237 bgColor, fgColor);
238 }
239
240 public static void showErrorNotification(Context context, List<Account> accounts) {
241 NotificationManager mNotificationManager = (NotificationManager) context
242 .getSystemService(Context.NOTIFICATION_SERVICE);
243 List<Account> accountsWproblems = new ArrayList<Account>();
244 for(Account account : accounts) {
245 if (account.hasErrorStatus()) {
246 accountsWproblems.add(account);
247 }
248 }
249 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context);
250 if (accountsWproblems.size() == 0) {
251 mNotificationManager.cancel(1111);
252 return;
253 } else if (accountsWproblems.size() == 1) {
254 mBuilder.setContentTitle(context.getString(R.string.problem_connecting_to_account));
255 mBuilder.setContentText(accountsWproblems.get(0).getJid());
256 } else {
257 mBuilder.setContentTitle(context.getString(R.string.problem_connecting_to_accounts));
258 mBuilder.setContentText(context.getString(R.string.touch_to_fix));
259 }
260 mBuilder.setOngoing(true);
261 mBuilder.setLights(0xffffffff, 2000, 4000);
262 mBuilder.setSmallIcon(R.drawable.notification);
263 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
264 stackBuilder.addParentStack(ConversationActivity.class);
265
266 Intent manageAccountsIntent = new Intent(context,
267 ManageAccountActivity.class);
268 stackBuilder.addNextIntent(manageAccountsIntent);
269
270 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
271 0, PendingIntent.FLAG_UPDATE_CURRENT);
272
273 mBuilder.setContentIntent(resultPendingIntent);
274 Notification notification = mBuilder.build();
275 mNotificationManager.notify(1111, notification);
276 }
277
278 private static Pattern generateNickHighlightPattern(String nick) {
279 // We expect a word boundary, i.e. space or start of string, followed by the
280 // nick (matched in case-insensitive manner), followed by optional
281 // punctuation (for example "bob: i disagree" or "how are you alice?"),
282 // followed by another word boundary.
283 return Pattern.compile("\\b"+nick+"\\p{Punct}?\\b",
284 Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
285 }
286
287 public static void updateNotification(Context context,
288 List<Conversation> conversations, Conversation currentCon, boolean notify) {
289 NotificationManager mNotificationManager = (NotificationManager) context
290 .getSystemService(Context.NOTIFICATION_SERVICE);
291
292 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
293 boolean useSubject = preferences.getBoolean("use_subject_in_muc", true);
294 boolean showNofifications = preferences.getBoolean("show_notification",true);
295 boolean vibrate = preferences.getBoolean("vibrate_on_notification", true);
296 boolean alwaysNotify = preferences.getBoolean("notify_in_conversation_when_highlighted", false);
297
298 if (!showNofifications) {
299 mNotificationManager.cancel(2342);
300 return;
301 }
302
303 String targetUuid = "";
304
305 if ((currentCon != null) &&(currentCon.getMode() == Conversation.MODE_MULTI)&&(!alwaysNotify)) {
306 String nick = currentCon.getMucOptions().getNick();
307 Pattern highlight = generateNickHighlightPattern(nick);
308 Matcher m = highlight.matcher(currentCon.getLatestMessage().getBody());
309 notify = m.find();
310 }
311
312 List<Conversation> unread = new ArrayList<Conversation>();
313 for (Conversation conversation : conversations) {
314 if (conversation.getMode() == Conversation.MODE_MULTI) {
315 if ((!conversation.isRead())&&((wasHighlighted(conversation)||(alwaysNotify)))) {
316 unread.add(conversation);
317 }
318 } else {
319 if (!conversation.isRead()) {
320 unread.add(conversation);
321 }
322 }
323 }
324 String ringtone = preferences.getString("notification_ringtone", null);
325
326 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
327 context);
328 if (unread.size() == 0) {
329 mNotificationManager.cancel(2342);
330 return;
331 } else if (unread.size() == 1) {
332 Conversation conversation = unread.get(0);
333 targetUuid = conversation.getUuid();
334 mBuilder.setLargeIcon(UIHelper.getContactPicture(conversation, 64,
335 context, true));
336 mBuilder.setContentTitle(conversation.getName(useSubject));
337 if (notify) {
338 mBuilder.setTicker(conversation.getLatestMessage().getReadableBody(context));
339 }
340 StringBuilder bigText = new StringBuilder();
341 List<Message> messages = conversation.getMessages();
342 String firstLine = "";
343 for (int i = messages.size() - 1; i >= 0; --i) {
344 if (!messages.get(i).isRead()) {
345 if (i == messages.size() - 1) {
346 firstLine = messages.get(i).getReadableBody(context);
347 bigText.append(firstLine);
348 } else {
349 firstLine = messages.get(i).getReadableBody(context);
350 bigText.insert(0, firstLine + "\n");
351 }
352 } else {
353 break;
354 }
355 }
356 mBuilder.setContentText(firstLine);
357 mBuilder.setStyle(new NotificationCompat.BigTextStyle()
358 .bigText(bigText.toString()));
359 } else {
360 NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
361 style.setBigContentTitle(unread.size() + " " + context.getString(R.string.unread_conversations));
362 StringBuilder names = new StringBuilder();
363 for (int i = 0; i < unread.size(); ++i) {
364 targetUuid = unread.get(i).getUuid();
365 if (i < unread.size() - 1) {
366 names.append(unread.get(i).getName(useSubject) + ", ");
367 } else {
368 names.append(unread.get(i).getName(useSubject));
369 }
370 style.addLine(Html.fromHtml("<b>" + unread.get(i).getName(useSubject)
371 + "</b> " + unread.get(i).getLatestMessage().getReadableBody(context)));
372 }
373 mBuilder.setContentTitle(unread.size() + " " + context.getString(R.string.unread_conversations));
374 mBuilder.setContentText(names.toString());
375 mBuilder.setStyle(style);
376 }
377 if ((currentCon!=null)&&(notify)) {
378 targetUuid=currentCon.getUuid();
379 }
380 if (unread.size() != 0) {
381 mBuilder.setSmallIcon(R.drawable.notification);
382 if (notify) {
383 if (vibrate) {
384 int dat = 70;
385 long[] pattern = {0,3*dat,dat,dat};
386 mBuilder.setVibrate(pattern);
387 }
388 mBuilder.setLights(0xffffffff, 2000, 4000);
389 if (ringtone != null) {
390 mBuilder.setSound(Uri.parse(ringtone));
391 }
392 }
393
394 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
395 stackBuilder.addParentStack(ConversationActivity.class);
396
397 Intent viewConversationIntent = new Intent(context,
398 ConversationActivity.class);
399 viewConversationIntent.setAction(Intent.ACTION_VIEW);
400 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
401 targetUuid);
402 viewConversationIntent
403 .setType(ConversationActivity.VIEW_CONVERSATION);
404
405 stackBuilder.addNextIntent(viewConversationIntent);
406
407 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
408 0, PendingIntent.FLAG_UPDATE_CURRENT);
409
410 mBuilder.setContentIntent(resultPendingIntent);
411 Notification notification = mBuilder.build();
412 mNotificationManager.notify(2342, notification);
413 }
414 }
415
416 private static boolean wasHighlighted(Conversation conversation) {
417 List<Message> messages = conversation.getMessages();
418 String nick = conversation.getMucOptions().getNick();
419 Pattern highlight = generateNickHighlightPattern(nick);
420 for(int i = messages.size() - 1; i >= 0; --i) {
421 if (messages.get(i).isRead()) {
422 break;
423 } else {
424 Matcher m = highlight.matcher(messages.get(i).getBody());
425 if (m.find()) {
426 return true;
427 }
428 }
429 }
430 return false;
431 }
432
433 public static void prepareContactBadge(final Activity activity,
434 QuickContactBadge badge, final Contact contact, Context context) {
435 if (contact.getSystemAccount() != null) {
436 String[] systemAccount = contact.getSystemAccount().split("#");
437 long id = Long.parseLong(systemAccount[0]);
438 badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
439 }
440 badge.setImageBitmap(UIHelper.getContactPicture(contact, 72, context, false));
441 }
442
443 public static AlertDialog getVerifyFingerprintDialog(
444 final ConversationActivity activity,
445 final Conversation conversation, final LinearLayout msg) {
446 final Contact contact = conversation.getContact();
447 final Account account = conversation.getAccount();
448
449 AlertDialog.Builder builder = new AlertDialog.Builder(activity);
450 builder.setTitle("Verify fingerprint");
451 LayoutInflater inflater = activity.getLayoutInflater();
452 View view = inflater.inflate(R.layout.dialog_verify_otr, null);
453 TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
454 TextView fingerprint = (TextView) view
455 .findViewById(R.id.verify_otr_fingerprint);
456 TextView yourprint = (TextView) view
457 .findViewById(R.id.verify_otr_yourprint);
458
459 jid.setText(contact.getJid());
460 fingerprint.setText(conversation.getOtrFingerprint());
461 yourprint.setText(account.getOtrFingerprint());
462 builder.setNegativeButton("Cancel", null);
463 builder.setPositiveButton("Verify", new OnClickListener() {
464
465 @Override
466 public void onClick(DialogInterface dialog, int which) {
467 contact.addOtrFingerprint(conversation.getOtrFingerprint());
468 msg.setVisibility(View.GONE);
469 //activity.xmppConnectionService.updateContact(contact);
470 }
471 });
472 builder.setView(view);
473 return builder.create();
474 }
475
476 public static Bitmap getSelfContactPicture(Account account, int size, boolean showPhoneSelfContactPicture, Context context) {
477 if (showPhoneSelfContactPicture) {
478 Uri selfiUri = PhoneHelper.getSefliUri(context);
479 if (selfiUri != null) {
480 try {
481 return BitmapFactory.decodeStream(context
482 .getContentResolver().openInputStream(selfiUri));
483 } catch (FileNotFoundException e) {
484 return getContactPicture(account.getJid(), size, context, false);
485 }
486 }
487 return getContactPicture(account.getJid(), size, context, false);
488 } else {
489 return getContactPicture(account.getJid(), size, context, false);
490 }
491 }
492}