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.Html;
43import android.util.DisplayMetrics;
44import android.view.LayoutInflater;
45import android.view.View;
46import android.widget.LinearLayout;
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 = 0xFFE5E5E5;
53 private static final int TRANSPARENT = 0x00000000;
54
55 public static String readableTimeDifference(Context context, long time) {
56 if (time == 0) {
57 return context.getString(R.string.just_now);
58 }
59 Date date = new Date(time);
60 long difference = (System.currentTimeMillis() - time) / 1000;
61 if (difference < 60) {
62 return context.getString(R.string.just_now);
63 } else if (difference < 60 * 10) {
64 return difference / 60 + " " + context.getString(R.string.minutes_ago);
65 } else if (difference < 60 * 60 * 24) {
66 SimpleDateFormat sdf = new SimpleDateFormat("HH:mm",Locale.US);
67 return sdf.format(date);
68 } else {
69 SimpleDateFormat sdf = new SimpleDateFormat("MM/dd",Locale.US);
70 return sdf.format(date);
71 }
72 }
73
74 public static String lastseen(Context context, long time) {
75 long difference = (System.currentTimeMillis() - time) / 1000;
76 if (difference < 60) {
77 return context.getString(R.string.just_now);
78 } else if (difference < 60 * 60) {
79 return difference / 60 + " " + context.getString(R.string.mins);
80 } else if (difference < 60 * 60 * 24) {
81 return difference / (60 * 60)+ " " + context.getString(R.string.hours);
82 } else {
83 return "days";
84 }
85 }
86
87 public static int getRealPx(int dp, Context context) {
88 final DisplayMetrics metrics = context.getResources().getDisplayMetrics();
89 return ((int) (dp * metrics.density));
90 }
91
92 private static int getNameColor(String name) {
93 int holoColors[] = { 0xFF1da9da, 0xFFb368d9, 0xFF83b600, 0xFFffa713,
94 0xFFe92727 };
95 int color = holoColors[Math.abs(name.toLowerCase(Locale.getDefault()).hashCode()) % holoColors.length];
96 return color;
97 }
98
99 private static void drawTile(Canvas canvas, String letter, int tileColor, int textColor, int left, int top, int right, int bottom) {
100 int size = canvas.getWidth();
101 Paint tilePaint = new Paint(), textPaint = new Paint();
102 tilePaint.setColor(tileColor);
103 textPaint.setColor(textColor);
104 textPaint.setTypeface(Typeface.create("sans-serif-light", Typeface.NORMAL));
105 textPaint.setTextSize((float) ((right - left) * 0.8));
106 Rect rect = new Rect();
107
108 canvas.drawRect(new Rect(left, top, right, bottom), tilePaint);
109 textPaint.getTextBounds(letter, 0, 1, rect);
110 float width = textPaint.measureText(letter);
111 canvas.drawText(letter,
112 (right+left)/2 - width/2,
113 (top+bottom)/2 + rect.height()/2,
114 textPaint);
115 }
116
117 private static Bitmap getUnknownContactPicture(String[] names, int size, int bgColor, int fgColor) {
118 int tiles = (names.length > 4)? 4 :
119 (names.length < 1)? 1 :
120 names.length;
121 Bitmap bitmap = Bitmap
122 .createBitmap(size, size, Bitmap.Config.ARGB_8888);
123 Canvas canvas = new Canvas(bitmap);
124
125 String[] letters = new String[tiles];
126 int[] colors = new int[tiles];
127 if (names.length < 1) {
128 letters[0] = "?";
129 colors[0] = 0xFFe92727;
130 } else {
131 for(int i = 0; i < tiles; ++i) {
132 letters[i] = (names[i].length() > 0) ?
133 names[i].substring(0, 1).toUpperCase(Locale.US) : " ";
134 colors[i] = getNameColor(names[i]);
135 }
136
137 if (names.length > 4) {
138 letters[3] = "\u2026"; // Unicode ellipsis
139 colors[3] = 0xFF444444;
140 }
141 }
142
143 bitmap.eraseColor(bgColor);
144
145 switch(tiles) {
146 case 1:
147 drawTile(canvas, letters[0], colors[0], fgColor,
148 0, 0, size, size);
149 break;
150
151 case 2:
152 drawTile(canvas, letters[0], colors[0], fgColor,
153 0, 0, size/2 - 1, size);
154 drawTile(canvas, letters[1], colors[1], fgColor,
155 size/2 + 1, 0, size, size);
156 break;
157
158 case 3:
159 drawTile(canvas, letters[0], colors[0], fgColor,
160 0, 0, size/2 - 1, size);
161 drawTile(canvas, letters[1], colors[1], fgColor,
162 size/2 + 1, 0, size, size/2 - 1);
163 drawTile(canvas, letters[2], colors[2], fgColor,
164 size/2 + 1, size/2 + 1, size, size);
165 break;
166
167 case 4:
168 drawTile(canvas, letters[0], colors[0], fgColor,
169 0, 0, size/2 - 1, size/2 - 1);
170 drawTile(canvas, letters[1], colors[0], fgColor,
171 0, size/2 + 1, size/2 - 1, size);
172 drawTile(canvas, letters[2], colors[2], fgColor,
173 size/2 + 1, 0, size, size/2 - 1);
174 drawTile(canvas, letters[3], colors[3], fgColor,
175 size/2 + 1, size/2 + 1, size, size);
176 break;
177 }
178
179 return bitmap;
180 }
181
182 private static Bitmap getMucContactPicture(Conversation conversation, int size, int bgColor, int fgColor) {
183 List<User> members = conversation.getMucOptions().getUsers();
184 if (members.size() == 0) {
185 return getUnknownContactPicture(new String[]{conversation.getName(false)}, size, bgColor, fgColor);
186 }
187 String[] names = new String[members.size()+1];
188 names[0] = conversation.getMucOptions().getNick();
189 for(int i = 0; i < members.size(); ++i) {
190 names[i+1] = members.get(i).getName();
191 }
192
193 return getUnknownContactPicture(names, size, bgColor, fgColor);
194 }
195
196 public static Bitmap getContactPicture(Conversation conversation, int dpSize, Context context, boolean notification) {
197 if(conversation.getMode() == Conversation.MODE_SINGLE) {
198 return getContactPicture(conversation.getContact(), dpSize,
199 context, notification);
200 } else{
201 int fgColor = UIHelper.FG_COLOR,
202 bgColor = (notification) ?
203 UIHelper.BG_COLOR : UIHelper.TRANSPARENT;
204
205 return getMucContactPicture(conversation, getRealPx(dpSize, context),
206 bgColor, fgColor);
207 }
208 }
209
210 public static Bitmap getContactPicture(Contact contact, int dpSize, Context context, boolean notification) {
211 String uri = contact.getProfilePhoto();
212 if (uri==null) {
213 return getContactPicture(contact.getDisplayName(), dpSize,
214 context, notification);
215 }
216 try {
217 Bitmap bm = BitmapFactory.decodeStream(context.getContentResolver()
218 .openInputStream(Uri.parse(uri)));
219 return Bitmap.createScaledBitmap(bm, getRealPx(dpSize, context),
220 getRealPx(dpSize, context), false);
221 } catch (FileNotFoundException e) {
222 return getContactPicture(contact.getDisplayName(), dpSize,
223 context, notification);
224 }
225 }
226
227 public static Bitmap getContactPicture(String name, int dpSize, Context context, boolean notification) {
228 int fgColor = UIHelper.FG_COLOR,
229 bgColor = (notification) ?
230 UIHelper.BG_COLOR : UIHelper.TRANSPARENT;
231
232 return getUnknownContactPicture(new String[]{name}, getRealPx(dpSize, context),
233 bgColor, fgColor);
234 }
235
236 public static void showErrorNotification(Context context, List<Account> accounts) {
237 NotificationManager mNotificationManager = (NotificationManager) context
238 .getSystemService(Context.NOTIFICATION_SERVICE);
239 List<Account> accountsWproblems = new ArrayList<Account>();
240 for(Account account : accounts) {
241 if (account.hasErrorStatus()) {
242 accountsWproblems.add(account);
243 }
244 }
245 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context);
246 if (accountsWproblems.size() == 0) {
247 mNotificationManager.cancel(1111);
248 return;
249 } else if (accountsWproblems.size() == 1) {
250 mBuilder.setContentTitle(context.getString(R.string.problem_connecting_to_account));
251 mBuilder.setContentText(accountsWproblems.get(0).getJid());
252 } else {
253 mBuilder.setContentTitle(context.getString(R.string.problem_connecting_to_accounts));
254 mBuilder.setContentText(context.getString(R.string.touch_to_fix));
255 }
256 mBuilder.setOngoing(true);
257 mBuilder.setLights(0xffffffff, 2000, 4000);
258 mBuilder.setSmallIcon(R.drawable.notification);
259 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
260 stackBuilder.addParentStack(ConversationActivity.class);
261
262 Intent manageAccountsIntent = new Intent(context,
263 ManageAccountActivity.class);
264 stackBuilder.addNextIntent(manageAccountsIntent);
265
266 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
267 0, PendingIntent.FLAG_UPDATE_CURRENT);
268
269 mBuilder.setContentIntent(resultPendingIntent);
270 Notification notification = mBuilder.build();
271 mNotificationManager.notify(1111, notification);
272 }
273
274 private static Pattern generateNickHighlightPattern(String nick) {
275 // We expect a word boundary, i.e. space or start of string, followed by the
276 // nick (matched in case-insensitive manner), followed by optional
277 // punctuation (for example "bob: i disagree" or "how are you alice?"),
278 // followed by another word boundary.
279 return Pattern.compile("\\b"+nick+"\\p{Punct}?\\b",
280 Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
281 }
282
283 public static void updateNotification(Context context,
284 List<Conversation> conversations, Conversation currentCon, boolean notify) {
285 NotificationManager mNotificationManager = (NotificationManager) context
286 .getSystemService(Context.NOTIFICATION_SERVICE);
287
288 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
289 boolean useSubject = preferences.getBoolean("use_subject_in_muc", true);
290 boolean showNofifications = preferences.getBoolean("show_notification",true);
291 boolean vibrate = preferences.getBoolean("vibrate_on_notification", true);
292 boolean alwaysNotify = preferences.getBoolean("notify_in_conversation_when_highlighted", false);
293
294 if (!showNofifications) {
295 mNotificationManager.cancel(2342);
296 return;
297 }
298
299 String targetUuid = "";
300
301 if ((currentCon != null) &&(currentCon.getMode() == Conversation.MODE_MULTI)&&(!alwaysNotify)) {
302 String nick = currentCon.getMucOptions().getNick();
303 Pattern highlight = generateNickHighlightPattern(nick);
304 Matcher m = highlight.matcher(currentCon.getLatestMessage().getBody());
305 notify = m.find();
306 }
307
308 List<Conversation> unread = new ArrayList<Conversation>();
309 for (Conversation conversation : conversations) {
310 if (conversation.getMode() == Conversation.MODE_MULTI) {
311 if ((!conversation.isRead())&&((wasHighlighted(conversation)||(alwaysNotify)))) {
312 unread.add(conversation);
313 }
314 } else {
315 if (!conversation.isRead()) {
316 unread.add(conversation);
317 }
318 }
319 }
320 String ringtone = preferences.getString("notification_ringtone", null);
321
322 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
323 context);
324 if (unread.size() == 0) {
325 mNotificationManager.cancel(2342);
326 return;
327 } else if (unread.size() == 1) {
328 Conversation conversation = unread.get(0);
329 targetUuid = conversation.getUuid();
330 mBuilder.setLargeIcon(UIHelper.getContactPicture(conversation, 64,
331 context, true));
332 mBuilder.setContentTitle(conversation.getName(useSubject));
333 if (notify) {
334 mBuilder.setTicker(conversation.getLatestMessage().getReadableBody(context));
335 }
336 StringBuilder bigText = new StringBuilder();
337 List<Message> messages = conversation.getMessages();
338 String firstLine = "";
339 for (int i = messages.size() - 1; i >= 0; --i) {
340 if (!messages.get(i).isRead()) {
341 if (i == messages.size() - 1) {
342 firstLine = messages.get(i).getReadableBody(context);
343 bigText.append(firstLine);
344 } else {
345 firstLine = messages.get(i).getReadableBody(context);
346 bigText.insert(0, firstLine + "\n");
347 }
348 } else {
349 break;
350 }
351 }
352 mBuilder.setContentText(firstLine);
353 mBuilder.setStyle(new NotificationCompat.BigTextStyle()
354 .bigText(bigText.toString()));
355 } else {
356 NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
357 style.setBigContentTitle(unread.size() + " " + context.getString(R.string.unread_conversations));
358 StringBuilder names = new StringBuilder();
359 for (int i = 0; i < unread.size(); ++i) {
360 targetUuid = unread.get(i).getUuid();
361 if (i < unread.size() - 1) {
362 names.append(unread.get(i).getName(useSubject) + ", ");
363 } else {
364 names.append(unread.get(i).getName(useSubject));
365 }
366 style.addLine(Html.fromHtml("<b>" + unread.get(i).getName(useSubject)
367 + "</b> " + unread.get(i).getLatestMessage().getReadableBody(context)));
368 }
369 mBuilder.setContentTitle(unread.size() + " " + context.getString(R.string.unread_conversations));
370 mBuilder.setContentText(names.toString());
371 mBuilder.setStyle(style);
372 }
373 if ((currentCon!=null)&&(notify)) {
374 targetUuid=currentCon.getUuid();
375 }
376 if (unread.size() != 0) {
377 mBuilder.setSmallIcon(R.drawable.notification);
378 if (notify) {
379 if (vibrate) {
380 int dat = 70;
381 long[] pattern = {0,3*dat,dat,dat};
382 mBuilder.setVibrate(pattern);
383 }
384 mBuilder.setLights(0xffffffff, 2000, 4000);
385 if (ringtone != null) {
386 mBuilder.setSound(Uri.parse(ringtone));
387 }
388 }
389
390 TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
391 stackBuilder.addParentStack(ConversationActivity.class);
392
393 Intent viewConversationIntent = new Intent(context,
394 ConversationActivity.class);
395 viewConversationIntent.setAction(Intent.ACTION_VIEW);
396 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
397 targetUuid);
398 viewConversationIntent
399 .setType(ConversationActivity.VIEW_CONVERSATION);
400
401 stackBuilder.addNextIntent(viewConversationIntent);
402
403 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(
404 0, PendingIntent.FLAG_UPDATE_CURRENT);
405
406 mBuilder.setContentIntent(resultPendingIntent);
407 Notification notification = mBuilder.build();
408 mNotificationManager.notify(2342, notification);
409 }
410 }
411
412 private static boolean wasHighlighted(Conversation conversation) {
413 List<Message> messages = conversation.getMessages();
414 String nick = conversation.getMucOptions().getNick();
415 Pattern highlight = generateNickHighlightPattern(nick);
416 for(int i = messages.size() - 1; i >= 0; --i) {
417 if (messages.get(i).isRead()) {
418 break;
419 } else {
420 Matcher m = highlight.matcher(messages.get(i).getBody());
421 if (m.find()) {
422 return true;
423 }
424 }
425 }
426 return false;
427 }
428
429 public static void prepareContactBadge(final Activity activity,
430 QuickContactBadge badge, final Contact contact, Context context) {
431 if (contact.getSystemAccount() != null) {
432 String[] systemAccount = contact.getSystemAccount().split("#");
433 long id = Long.parseLong(systemAccount[0]);
434 badge.assignContactUri(Contacts.getLookupUri(id, systemAccount[1]));
435 }
436 badge.setImageBitmap(UIHelper.getContactPicture(contact, 72, context, false));
437 }
438
439 public static AlertDialog getVerifyFingerprintDialog(
440 final ConversationActivity activity,
441 final Conversation conversation, final LinearLayout msg) {
442 final Contact contact = conversation.getContact();
443 final Account account = conversation.getAccount();
444
445 AlertDialog.Builder builder = new AlertDialog.Builder(activity);
446 builder.setTitle("Verify fingerprint");
447 LayoutInflater inflater = activity.getLayoutInflater();
448 View view = inflater.inflate(R.layout.dialog_verify_otr, null);
449 TextView jid = (TextView) view.findViewById(R.id.verify_otr_jid);
450 TextView fingerprint = (TextView) view
451 .findViewById(R.id.verify_otr_fingerprint);
452 TextView yourprint = (TextView) view
453 .findViewById(R.id.verify_otr_yourprint);
454
455 jid.setText(contact.getJid());
456 fingerprint.setText(conversation.getOtrFingerprint());
457 yourprint.setText(account.getOtrFingerprint());
458 builder.setNegativeButton("Cancel", null);
459 builder.setPositiveButton("Verify", new OnClickListener() {
460
461 @Override
462 public void onClick(DialogInterface dialog, int which) {
463 contact.addOtrFingerprint(conversation.getOtrFingerprint());
464 msg.setVisibility(View.GONE);
465 //activity.xmppConnectionService.updateContact(contact);
466 }
467 });
468 builder.setView(view);
469 return builder.create();
470 }
471
472 public static Bitmap getSelfContactPicture(Account account, int size, boolean showPhoneSelfContactPicture, Context context) {
473 if (showPhoneSelfContactPicture) {
474 Uri selfiUri = PhoneHelper.getSefliUri(context);
475 if (selfiUri != null) {
476 try {
477 return BitmapFactory.decodeStream(context
478 .getContentResolver().openInputStream(selfiUri));
479 } catch (FileNotFoundException e) {
480 return getContactPicture(account.getJid(), size, context, false);
481 }
482 }
483 return getContactPicture(account.getJid(), size, context, false);
484 } else {
485 return getContactPicture(account.getJid(), size, context, false);
486 }
487 }
488}