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