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