1package eu.siacs.conversations.ui;
2
3import java.util.ArrayList;
4import java.util.HashMap;
5import java.util.List;
6import java.util.Set;
7
8import net.java.otr4j.session.SessionStatus;
9import eu.siacs.conversations.R;
10import eu.siacs.conversations.crypto.PgpEngine;
11import eu.siacs.conversations.entities.Contact;
12import eu.siacs.conversations.entities.Conversation;
13import eu.siacs.conversations.entities.Message;
14import eu.siacs.conversations.entities.MucOptions;
15import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
16import eu.siacs.conversations.services.ImageProvider;
17import eu.siacs.conversations.services.XmppConnectionService;
18import eu.siacs.conversations.utils.UIHelper;
19import eu.siacs.conversations.xmpp.jingle.JingleConnection;
20import android.app.AlertDialog;
21import android.app.Fragment;
22import android.app.PendingIntent;
23import android.content.Context;
24import android.content.DialogInterface;
25import android.content.Intent;
26import android.content.IntentSender;
27import android.content.SharedPreferences;
28import android.content.IntentSender.SendIntentException;
29import android.graphics.Bitmap;
30import android.graphics.Typeface;
31import android.os.Bundle;
32import android.preference.PreferenceManager;
33import android.text.Editable;
34import android.text.Selection;
35import android.util.DisplayMetrics;
36import android.util.Log;
37import android.view.LayoutInflater;
38import android.view.View;
39import android.view.View.OnClickListener;
40import android.view.ViewGroup;
41import android.widget.ArrayAdapter;
42import android.widget.Button;
43import android.widget.EditText;
44import android.widget.LinearLayout;
45import android.widget.ListView;
46import android.widget.ImageButton;
47import android.widget.ImageView;
48import android.widget.TextView;
49import android.widget.Toast;
50
51public class ConversationFragment extends Fragment {
52
53 protected Conversation conversation;
54 protected ListView messagesView;
55 protected LayoutInflater inflater;
56 protected List<Message> messageList = new ArrayList<Message>();
57 protected ArrayAdapter<Message> messageListAdapter;
58 protected Contact contact;
59 protected BitmapCache mBitmapCache = new BitmapCache();
60
61 protected String queuedPqpMessage = null;
62
63 private EditText chatMsg;
64 private String pastedText = null;
65
66 protected Bitmap selfBitmap;
67
68 private boolean useSubject = true;
69
70 private IntentSender askForPassphraseIntent = null;
71
72 private OnClickListener sendMsgListener = new OnClickListener() {
73
74 @Override
75 public void onClick(View v) {
76 if (chatMsg.getText().length() < 1)
77 return;
78 Message message = new Message(conversation, chatMsg.getText()
79 .toString(), conversation.getNextEncryption());
80 if (conversation.getNextEncryption() == Message.ENCRYPTION_OTR) {
81 sendOtrMessage(message);
82 } else if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
83 sendPgpMessage(message);
84 } else {
85 sendPlainTextMessage(message);
86 }
87 }
88 };
89 protected OnClickListener clickToDecryptListener = new OnClickListener() {
90
91 @Override
92 public void onClick(View v) {
93 if (askForPassphraseIntent != null) {
94 try {
95 getActivity().startIntentSenderForResult(
96 askForPassphraseIntent,
97 ConversationActivity.REQUEST_DECRYPT_PGP, null, 0,
98 0, 0);
99 } catch (SendIntentException e) {
100 Log.d("xmppService", "couldnt fire intent");
101 }
102 }
103 }
104 };
105
106 private LinearLayout pgpInfo;
107 private LinearLayout mucError;
108 private TextView mucErrorText;
109 private OnClickListener clickToMuc = new OnClickListener() {
110
111 @Override
112 public void onClick(View v) {
113 Intent intent = new Intent(getActivity(), MucDetailsActivity.class);
114 intent.setAction(MucDetailsActivity.ACTION_VIEW_MUC);
115 intent.putExtra("uuid", conversation.getUuid());
116 startActivity(intent);
117 }
118 };
119 private ConversationActivity activity;
120
121 public void hidePgpPassphraseBox() {
122 pgpInfo.setVisibility(View.GONE);
123 }
124
125 public void updateChatMsgHint() {
126 if (conversation.getMode() == Conversation.MODE_MULTI) {
127 chatMsg.setHint(getString(R.string.send_message_to_conference));
128 } else {
129 switch (conversation.getNextEncryption()) {
130 case Message.ENCRYPTION_NONE:
131 chatMsg.setHint(getString(R.string.send_plain_text_message));
132 break;
133 case Message.ENCRYPTION_OTR:
134 chatMsg.setHint(getString(R.string.send_otr_message));
135 break;
136 case Message.ENCRYPTION_PGP:
137 chatMsg.setHint(getString(R.string.send_pgp_message));
138 break;
139 default:
140 break;
141 }
142 }
143 }
144
145 @Override
146 public View onCreateView(final LayoutInflater inflater,
147 ViewGroup container, Bundle savedInstanceState) {
148
149 final DisplayMetrics metrics = getResources().getDisplayMetrics();
150
151 this.inflater = inflater;
152
153 final View view = inflater.inflate(R.layout.fragment_conversation,
154 container, false);
155 chatMsg = (EditText) view.findViewById(R.id.textinput);
156
157 ImageButton sendButton = (ImageButton) view
158 .findViewById(R.id.textSendButton);
159 sendButton.setOnClickListener(this.sendMsgListener);
160
161 pgpInfo = (LinearLayout) view.findViewById(R.id.pgp_keyentry);
162 pgpInfo.setOnClickListener(clickToDecryptListener);
163 mucError = (LinearLayout) view.findViewById(R.id.muc_error);
164 mucError.setOnClickListener(clickToMuc);
165 mucErrorText = (TextView) view.findViewById(R.id.muc_error_msg);
166
167 messagesView = (ListView) view.findViewById(R.id.messages_view);
168
169 messageListAdapter = new ArrayAdapter<Message>(this.getActivity()
170 .getApplicationContext(), R.layout.message_sent,
171 this.messageList) {
172
173 private static final int SENT = 0;
174 private static final int RECIEVED = 1;
175
176 @Override
177 public int getViewTypeCount() {
178 return 2;
179 }
180
181 @Override
182 public int getItemViewType(int position) {
183 if (getItem(position).getStatus() <= Message.STATUS_RECIEVED) {
184 return RECIEVED;
185 } else {
186 return SENT;
187 }
188 }
189
190 private void displayStatus(ViewHolder viewHolder, Message message) {
191 String filesize = null;
192 String info = null;
193 boolean error = false;
194 if (message.getType() == Message.TYPE_IMAGE) {
195 String[] fileParams = message.getBody().split(",");
196 try {
197 long size = Long.parseLong(fileParams[0]);
198 filesize = size / 1024 + " KB";
199 } catch (NumberFormatException e) {
200 filesize = "0 KB";
201 }
202 }
203 switch (message.getStatus()) {
204 case Message.STATUS_UNSEND:
205 info = getString(R.string.sending);
206 break;
207 case Message.STATUS_OFFERED:
208 info = getString(R.string.offering);
209 break;
210 case Message.STATUS_SEND_FAILED:
211 info = getString(R.string.send_failed);
212 error = true;
213 break;
214 case Message.STATUS_SEND_REJECTED:
215 info = getString(R.string.send_rejected);
216 error = true;
217 break;
218 default:
219 if ((message.getConversation().getMode() == Conversation.MODE_MULTI)
220 && (message.getStatus() <= Message.STATUS_RECIEVED)) {
221 info = message.getCounterpart();
222 }
223 break;
224 }
225 if (error) {
226 viewHolder.time.setTextColor(0xFFe92727);
227 } else {
228 viewHolder.time.setTextColor(0xFF8e8e8e);
229 }
230 if (message.getEncryption() == Message.ENCRYPTION_NONE) {
231 viewHolder.indicator.setVisibility(View.GONE);
232 } else {
233 viewHolder.indicator.setVisibility(View.VISIBLE);
234 }
235
236 String formatedTime = UIHelper.readableTimeDifference(message
237 .getTimeSent());
238 if (message.getStatus() <= Message.STATUS_RECIEVED) {
239 if ((filesize != null) && (info != null)) {
240 viewHolder.time.setText(filesize + " \u00B7 " + info);
241 } else if ((filesize == null) && (info != null)) {
242 viewHolder.time.setText(formatedTime + " \u00B7 "
243 + info);
244 } else if ((filesize != null) && (info == null)) {
245 viewHolder.time.setText(formatedTime + " \u00B7 "
246 + filesize);
247 } else {
248 viewHolder.time.setText(formatedTime);
249 }
250 } else {
251 if ((filesize != null) && (info != null)) {
252 viewHolder.time.setText(filesize + " \u00B7 " + info);
253 } else if ((filesize == null) && (info != null)) {
254 viewHolder.time.setText(info + " \u00B7 "
255 + formatedTime);
256 } else if ((filesize != null) && (info == null)) {
257 viewHolder.time.setText(filesize + " \u00B7 "
258 + formatedTime);
259 } else {
260 viewHolder.time.setText(formatedTime);
261 }
262 }
263 }
264
265 private void displayInfoMessage(ViewHolder viewHolder, int r) {
266 if (viewHolder.download_button != null) {
267 viewHolder.download_button.setVisibility(View.GONE);
268 }
269 viewHolder.image.setVisibility(View.GONE);
270 viewHolder.messageBody.setVisibility(View.VISIBLE);
271 viewHolder.messageBody.setText(getString(r));
272 viewHolder.messageBody.setTextColor(0xff33B5E5);
273 viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
274 }
275
276 private void displayDecryptionFailed(ViewHolder viewHolder) {
277 viewHolder.download_button.setVisibility(View.GONE);
278 viewHolder.image.setVisibility(View.GONE);
279 viewHolder.messageBody.setVisibility(View.VISIBLE);
280 viewHolder.messageBody
281 .setText(getString(R.string.decryption_failed));
282 viewHolder.messageBody.setTextColor(0xFFe92727);
283 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
284 }
285
286 private void displayTextMessage(ViewHolder viewHolder, String text) {
287 if (viewHolder.download_button != null) {
288 viewHolder.download_button.setVisibility(View.GONE);
289 }
290 viewHolder.image.setVisibility(View.GONE);
291 viewHolder.messageBody.setVisibility(View.VISIBLE);
292 if (text != null) {
293 viewHolder.messageBody.setText(text.trim());
294 } else {
295 viewHolder.messageBody.setText("");
296 }
297 viewHolder.messageBody.setTextColor(0xff333333);
298 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
299 }
300
301 private void displayImageMessage(ViewHolder viewHolder,
302 final Message message) {
303 if (viewHolder.download_button != null) {
304 viewHolder.download_button.setVisibility(View.GONE);
305 }
306 viewHolder.messageBody.setVisibility(View.GONE);
307 viewHolder.image.setVisibility(View.VISIBLE);
308 String[] fileParams = message.getBody().split(",");
309 if (fileParams.length == 3) {
310 double target = metrics.density * 288;
311 int w = Integer.parseInt(fileParams[1]);
312 int h = Integer.parseInt(fileParams[2]);
313 int scalledW;
314 int scalledH;
315 if (w <= h) {
316 scalledW = (int) (w / ((double) h / target));
317 scalledH = (int) target;
318 } else {
319 scalledW = (int) target;
320 scalledH = (int) (h / ((double) w / target));
321 }
322 viewHolder.image
323 .setLayoutParams(new LinearLayout.LayoutParams(
324 scalledW, scalledH));
325 }
326 activity.loadBitmap(message, viewHolder.image);
327 viewHolder.image.setOnClickListener(new OnClickListener() {
328
329 @Override
330 public void onClick(View v) {
331 Intent intent = new Intent(Intent.ACTION_VIEW);
332 intent.setDataAndType(
333 ImageProvider.getContentUri(message), "image/*");
334 startActivity(intent);
335 }
336 });
337 }
338
339 @Override
340 public View getView(int position, View view, ViewGroup parent) {
341 final Message item = getItem(position);
342 int type = getItemViewType(position);
343 ViewHolder viewHolder;
344 if (view == null) {
345 viewHolder = new ViewHolder();
346 switch (type) {
347 case SENT:
348 view = (View) inflater.inflate(R.layout.message_sent,
349 null);
350 viewHolder.contact_picture = (ImageView) view
351 .findViewById(R.id.message_photo);
352 viewHolder.contact_picture.setImageBitmap(selfBitmap);
353 break;
354 case RECIEVED:
355 view = (View) inflater.inflate(
356 R.layout.message_recieved, null);
357 viewHolder.contact_picture = (ImageView) view
358 .findViewById(R.id.message_photo);
359
360 viewHolder.download_button = (Button) view
361 .findViewById(R.id.download_button);
362
363 if (item.getConversation().getMode() == Conversation.MODE_SINGLE) {
364
365 viewHolder.contact_picture
366 .setImageBitmap(mBitmapCache.get(
367 item.getConversation().getName(
368 useSubject), item
369 .getConversation()
370 .getContact(),
371 getActivity()
372 .getApplicationContext()));
373
374 }
375 break;
376 default:
377 viewHolder = null;
378 break;
379 }
380 viewHolder.indicator = (ImageView) view
381 .findViewById(R.id.security_indicator);
382 viewHolder.image = (ImageView) view
383 .findViewById(R.id.message_image);
384 viewHolder.messageBody = (TextView) view
385 .findViewById(R.id.message_body);
386 viewHolder.time = (TextView) view
387 .findViewById(R.id.message_time);
388 view.setTag(viewHolder);
389 } else {
390 viewHolder = (ViewHolder) view.getTag();
391 }
392
393 if (type == RECIEVED) {
394 if (item.getConversation().getMode() == Conversation.MODE_MULTI) {
395 viewHolder.contact_picture.setImageBitmap(mBitmapCache
396 .get(item.getCounterpart(), null, getActivity()
397 .getApplicationContext()));
398 viewHolder.contact_picture
399 .setOnClickListener(new OnClickListener() {
400
401 @Override
402 public void onClick(View v) {
403 highlightInConference(item.getCounterpart());
404 }
405 });
406 }
407 }
408
409 if (item.getType() == Message.TYPE_IMAGE) {
410 if (item.getStatus() == Message.STATUS_RECIEVING) {
411 displayInfoMessage(viewHolder, R.string.receiving_image);
412 } else if (item.getStatus() == Message.STATUS_RECEIVED_OFFER) {
413 viewHolder.image.setVisibility(View.GONE);
414 viewHolder.messageBody.setVisibility(View.GONE);
415 viewHolder.download_button.setVisibility(View.VISIBLE);
416 viewHolder.download_button
417 .setOnClickListener(new OnClickListener() {
418
419 @Override
420 public void onClick(View v) {
421 JingleConnection connection = item
422 .getJingleConnection();
423 if (connection != null) {
424 connection.accept();
425 } else {
426 Log.d("xmppService",
427 "attached jingle connection was null");
428 }
429 }
430 });
431 } else if ((item.getEncryption() == Message.ENCRYPTION_DECRYPTED)
432 || (item.getEncryption() == Message.ENCRYPTION_NONE)) {
433 displayImageMessage(viewHolder, item);
434 } else if (item.getEncryption() == Message.ENCRYPTION_PGP) {
435 displayInfoMessage(viewHolder,
436 R.string.encrypted_message);
437 } else {
438 displayDecryptionFailed(viewHolder);
439 }
440 } else {
441 if (item.getEncryption() == Message.ENCRYPTION_PGP) {
442 displayInfoMessage(viewHolder,
443 R.string.encrypted_message);
444 } else if (item.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
445 displayDecryptionFailed(viewHolder);
446 } else {
447 displayTextMessage(viewHolder, item.getBody());
448 }
449 }
450
451 displayStatus(viewHolder, item);
452
453 return view;
454 }
455 };
456 messagesView.setAdapter(messageListAdapter);
457
458 return view;
459 }
460
461 protected void highlightInConference(String nick) {
462 if (chatMsg.getText().toString().isEmpty()) {
463 chatMsg.setText(nick+": ");
464 } else {
465 String oldString = chatMsg.getText().toString();
466 if (oldString.endsWith(" ")) {
467 chatMsg.setText(oldString+nick+" ");
468 } else {
469 chatMsg.setText(oldString+" "+nick+" ");
470 }
471 }
472 int position = chatMsg.length();
473 Editable etext = chatMsg.getText();
474 Selection.setSelection(etext, position);
475 }
476
477 protected Bitmap findSelfPicture() {
478 SharedPreferences sharedPref = PreferenceManager
479 .getDefaultSharedPreferences(getActivity()
480 .getApplicationContext());
481 boolean showPhoneSelfContactPicture = sharedPref.getBoolean(
482 "show_phone_selfcontact_picture", true);
483
484 return UIHelper.getSelfContactPicture(conversation.getAccount(), 48,
485 showPhoneSelfContactPicture, getActivity());
486 }
487
488 @Override
489 public void onStart() {
490 super.onStart();
491 this.activity = (ConversationActivity) getActivity();
492 SharedPreferences preferences = PreferenceManager
493 .getDefaultSharedPreferences(activity);
494 this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
495 if (activity.xmppConnectionServiceBound) {
496 this.onBackendConnected();
497 }
498 }
499
500 @Override
501 public void onStop() {
502 super.onStop();
503 if (this.conversation != null) {
504 this.conversation.setNextMessage(chatMsg.getText().toString());
505 }
506 }
507
508 public void onBackendConnected() {
509 this.conversation = activity.getSelectedConversation();
510 if (this.conversation == null) {
511 return;
512 }
513 if (this.pastedText == null) {
514 this.chatMsg.setText(conversation.getNextMessage());
515 } else {
516 chatMsg.setText(conversation.getNextMessage() + " " + pastedText);
517 pastedText = null;
518 }
519 int position = chatMsg.length();
520 Editable etext = chatMsg.getText();
521 Selection.setSelection(etext, position);
522 this.selfBitmap = findSelfPicture();
523 updateMessages();
524 if (activity.getSlidingPaneLayout().isSlideable()) {
525 if (!activity.shouldPaneBeOpen()) {
526 activity.getSlidingPaneLayout().closePane();
527 activity.getActionBar().setDisplayHomeAsUpEnabled(true);
528 activity.getActionBar().setTitle(
529 conversation.getName(useSubject));
530 activity.invalidateOptionsMenu();
531
532 }
533 }
534 if (conversation.getMode() == Conversation.MODE_MULTI) {
535 activity.xmppConnectionService
536 .setOnRenameListener(new OnRenameListener() {
537
538 @Override
539 public void onRename(final boolean success) {
540 activity.xmppConnectionService
541 .updateConversation(conversation);
542 getActivity().runOnUiThread(new Runnable() {
543
544 @Override
545 public void run() {
546 if (success) {
547 Toast.makeText(
548 getActivity(),
549 getString(R.string.your_nick_has_been_changed),
550 Toast.LENGTH_SHORT).show();
551 } else {
552 Toast.makeText(
553 getActivity(),
554 getString(R.string.nick_in_use),
555 Toast.LENGTH_SHORT).show();
556 }
557 }
558 });
559 }
560 });
561 }
562 }
563
564 private void decryptMessage(final Message message) {
565 PgpEngine engine = activity.xmppConnectionService.getPgpEngine();
566 if (engine != null) {
567 engine.decrypt(message, new UiCallback() {
568
569 @Override
570 public void userInputRequried(PendingIntent pi) {
571 askForPassphraseIntent = pi.getIntentSender();
572 pgpInfo.setVisibility(View.VISIBLE);
573 }
574
575 @Override
576 public void success() {
577 activity.xmppConnectionService.databaseBackend
578 .updateMessage(message);
579 updateMessages();
580 }
581
582 @Override
583 public void error(int error) {
584 message.setEncryption(Message.ENCRYPTION_DECRYPTION_FAILED);
585 // updateMessages();
586 }
587 });
588 } else {
589 pgpInfo.setVisibility(View.VISIBLE);
590 }
591 }
592
593 public void updateMessages() {
594 if (getView() == null) {
595 return;
596 }
597 ConversationActivity activity = (ConversationActivity) getActivity();
598 if (this.conversation != null) {
599 for (Message message : this.conversation.getMessages()) {
600 if ((message.getEncryption() == Message.ENCRYPTION_PGP)
601 && ((message.getStatus() == Message.STATUS_RECIEVED) || (message
602 .getStatus() == Message.STATUS_SEND))) {
603 decryptMessage(message);
604 break;
605 }
606 }
607 this.messageList.clear();
608 this.messageList.addAll(this.conversation.getMessages());
609 this.messageListAdapter.notifyDataSetChanged();
610 if (conversation.getMode() == Conversation.MODE_SINGLE) {
611 if (messageList.size() >= 1) {
612 makeFingerprintWarning(conversation.getLatestEncryption());
613 }
614 } else {
615 if (conversation.getMucOptions().getError() != 0) {
616 mucError.setVisibility(View.VISIBLE);
617 if (conversation.getMucOptions().getError() == MucOptions.ERROR_NICK_IN_USE) {
618 mucErrorText.setText(getString(R.string.nick_in_use));
619 }
620 } else {
621 mucError.setVisibility(View.GONE);
622 }
623 }
624 getActivity().invalidateOptionsMenu();
625 updateChatMsgHint();
626 int size = this.messageList.size();
627 if (size >= 1)
628 messagesView.setSelection(size - 1);
629 if (!activity.shouldPaneBeOpen()) {
630 conversation.markRead();
631 // TODO update notifications
632 UIHelper.updateNotification(getActivity(),
633 activity.getConversationList(), null, false);
634 activity.updateConversationList();
635 }
636 }
637 }
638
639 protected void makeFingerprintWarning(int latestEncryption) {
640 final LinearLayout fingerprintWarning = (LinearLayout) getView()
641 .findViewById(R.id.new_fingerprint);
642 Set<String> knownFingerprints = conversation.getContact()
643 .getOtrFingerprints();
644 if ((latestEncryption == Message.ENCRYPTION_OTR)
645 && (conversation.hasValidOtrSession()
646 && (conversation.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED) && (!knownFingerprints
647 .contains(conversation.getOtrFingerprint())))) {
648 fingerprintWarning.setVisibility(View.VISIBLE);
649 TextView fingerprint = (TextView) getView().findViewById(
650 R.id.otr_fingerprint);
651 fingerprint.setText(conversation.getOtrFingerprint());
652 fingerprintWarning.setOnClickListener(new OnClickListener() {
653
654 @Override
655 public void onClick(View v) {
656 AlertDialog dialog = UIHelper.getVerifyFingerprintDialog(
657 (ConversationActivity) getActivity(), conversation,
658 fingerprintWarning);
659 dialog.show();
660 }
661 });
662 } else {
663 fingerprintWarning.setVisibility(View.GONE);
664 }
665 }
666
667 protected void sendPlainTextMessage(Message message) {
668 ConversationActivity activity = (ConversationActivity) getActivity();
669 activity.xmppConnectionService.sendMessage(message, null);
670 chatMsg.setText("");
671 }
672
673 protected void sendPgpMessage(final Message message) {
674 activity.pendingMessage = message;
675 final ConversationActivity activity = (ConversationActivity) getActivity();
676 final XmppConnectionService xmppService = activity.xmppConnectionService;
677 final Contact contact = message.getConversation().getContact();
678 if (activity.hasPgp()) {
679 if (contact.getPgpKeyId() != 0) {
680 xmppService.getPgpEngine().hasKey(contact, new UiCallback() {
681
682 @Override
683 public void userInputRequried(PendingIntent pi) {
684 activity.runIntent(pi,
685 ConversationActivity.REQUEST_ENCRYPT_MESSAGE);
686 }
687
688 @Override
689 public void success() {
690 activity.encryptTextMessage();
691 }
692
693 @Override
694 public void error(int error) {
695
696 }
697 });
698
699 } else {
700 showNoPGPKeyDialog(new DialogInterface.OnClickListener() {
701
702 @Override
703 public void onClick(DialogInterface dialog, int which) {
704 conversation.setNextEncryption(Message.ENCRYPTION_NONE);
705 message.setEncryption(Message.ENCRYPTION_NONE);
706 xmppService.sendMessage(message, null);
707 chatMsg.setText("");
708 }
709 });
710 }
711 }
712 }
713
714 public void showNoPGPKeyDialog(DialogInterface.OnClickListener listener) {
715 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
716 builder.setTitle(getString(R.string.no_pgp_key));
717 builder.setIconAttribute(android.R.attr.alertDialogIcon);
718 builder.setMessage(getText(R.string.contact_has_no_pgp_key));
719 builder.setNegativeButton(getString(R.string.cancel), null);
720 builder.setPositiveButton(getString(R.string.send_unencrypted),
721 listener);
722 builder.create().show();
723 }
724
725 protected void sendOtrMessage(final Message message) {
726 ConversationActivity activity = (ConversationActivity) getActivity();
727 final XmppConnectionService xmppService = activity.xmppConnectionService;
728 if (conversation.hasValidOtrSession()) {
729 activity.xmppConnectionService.sendMessage(message, null);
730 chatMsg.setText("");
731 } else {
732 activity.selectPresence(message.getConversation(),
733 new OnPresenceSelected() {
734
735 @Override
736 public void onPresenceSelected(boolean success,
737 String presence) {
738 if (success) {
739 xmppService.sendMessage(message, presence);
740 chatMsg.setText("");
741 }
742 }
743
744 @Override
745 public void onSendPlainTextInstead() {
746 message.setEncryption(Message.ENCRYPTION_NONE);
747 xmppService.sendMessage(message, null);
748 chatMsg.setText("");
749 }
750 }, "otr");
751 }
752 }
753
754 private static class ViewHolder {
755
756 protected Button download_button;
757 protected ImageView image;
758 protected ImageView indicator;
759 protected TextView time;
760 protected TextView messageBody;
761 protected ImageView contact_picture;
762
763 }
764
765 private class BitmapCache {
766 private HashMap<String, Bitmap> bitmaps = new HashMap<String, Bitmap>();
767
768 public Bitmap get(String name, Contact contact, Context context) {
769 if (bitmaps.containsKey(name)) {
770 return bitmaps.get(name);
771 } else {
772 Bitmap bm;
773 if (contact != null) {
774 bm = UIHelper
775 .getContactPicture(contact, 48, context, false);
776 } else {
777 bm = UIHelper.getContactPicture(name, 48, context, false);
778 }
779 bitmaps.put(name, bm);
780 return bm;
781 }
782 }
783 }
784
785 public void setText(String text) {
786 this.pastedText = text;
787 }
788
789 public void clearInputField() {
790 this.chatMsg.setText("");
791 }
792}