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.Gravity;
38import android.view.LayoutInflater;
39import android.view.View;
40import android.view.View.OnClickListener;
41import android.view.View.OnLongClickListener;
42import android.view.ViewGroup;
43import android.widget.ArrayAdapter;
44import android.widget.Button;
45import android.widget.EditText;
46import android.widget.LinearLayout;
47import android.widget.ListView;
48import android.widget.ImageButton;
49import android.widget.ImageView;
50import android.widget.TextView;
51import android.widget.Toast;
52
53public class ConversationFragment extends Fragment {
54
55 protected Conversation conversation;
56 protected ListView messagesView;
57 protected LayoutInflater inflater;
58 protected List<Message> messageList = new ArrayList<Message>();
59 protected ArrayAdapter<Message> messageListAdapter;
60 protected Contact contact;
61 protected BitmapCache mBitmapCache = new BitmapCache();
62
63 protected String queuedPqpMessage = null;
64
65 private EditText chatMsg;
66 private String pastedText = null;
67
68 protected Bitmap selfBitmap;
69
70 private boolean useSubject = true;
71
72 private IntentSender askForPassphraseIntent = null;
73
74 private OnClickListener sendMsgListener = new OnClickListener() {
75
76 @Override
77 public void onClick(View v) {
78 if (chatMsg.getText().length() < 1)
79 return;
80 Message message = new Message(conversation, chatMsg.getText()
81 .toString(), conversation.getNextEncryption());
82 if (conversation.getNextEncryption() == Message.ENCRYPTION_OTR) {
83 sendOtrMessage(message);
84 } else if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
85 sendPgpMessage(message);
86 } else {
87 sendPlainTextMessage(message);
88 }
89 }
90 };
91 protected OnClickListener clickToDecryptListener = new OnClickListener() {
92
93 @Override
94 public void onClick(View v) {
95 if (activity.hasPgp() && askForPassphraseIntent != null) {
96 try {
97 getActivity().startIntentSenderForResult(
98 askForPassphraseIntent,
99 ConversationActivity.REQUEST_DECRYPT_PGP, null, 0,
100 0, 0);
101 } catch (SendIntentException e) {
102 Log.d("xmppService", "couldnt fire intent");
103 }
104 }
105 }
106 };
107
108 private LinearLayout pgpInfo;
109 private LinearLayout mucError;
110 private TextView mucErrorText;
111 private OnClickListener clickToMuc = new OnClickListener() {
112
113 @Override
114 public void onClick(View v) {
115 Intent intent = new Intent(getActivity(), MucDetailsActivity.class);
116 intent.setAction(MucDetailsActivity.ACTION_VIEW_MUC);
117 intent.putExtra("uuid", conversation.getUuid());
118 startActivity(intent);
119 }
120 };
121 private ConversationActivity activity;
122
123 public void hidePgpPassphraseBox() {
124 pgpInfo.setVisibility(View.GONE);
125 }
126
127 public void updateChatMsgHint() {
128 switch (conversation.getNextEncryption()) {
129 case Message.ENCRYPTION_NONE:
130 chatMsg.setHint(getString(R.string.send_plain_text_message));
131 break;
132 case Message.ENCRYPTION_OTR:
133 chatMsg.setHint(getString(R.string.send_otr_message));
134 break;
135 case Message.ENCRYPTION_PGP:
136 chatMsg.setHint(getString(R.string.send_pgp_message));
137 break;
138 default:
139 break;
140 }
141 }
142
143 @Override
144 public View onCreateView(final LayoutInflater inflater,
145 ViewGroup container, Bundle savedInstanceState) {
146
147 final DisplayMetrics metrics = getResources().getDisplayMetrics();
148
149 this.inflater = inflater;
150
151 final View view = inflater.inflate(R.layout.fragment_conversation,
152 container, false);
153 chatMsg = (EditText) view.findViewById(R.id.textinput);
154
155 ImageButton sendButton = (ImageButton) view
156 .findViewById(R.id.textSendButton);
157 sendButton.setOnClickListener(this.sendMsgListener);
158
159 pgpInfo = (LinearLayout) view.findViewById(R.id.pgp_keyentry);
160 pgpInfo.setOnClickListener(clickToDecryptListener);
161 mucError = (LinearLayout) view.findViewById(R.id.muc_error);
162 mucError.setOnClickListener(clickToMuc);
163 mucErrorText = (TextView) view.findViewById(R.id.muc_error_msg);
164
165 messagesView = (ListView) view.findViewById(R.id.messages_view);
166 messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
167
168 messageListAdapter = new ArrayAdapter<Message>(this.getActivity()
169 .getApplicationContext(), R.layout.message_sent,
170 this.messageList) {
171
172 private static final int SENT = 0;
173 private static final int RECIEVED = 1;
174 private static final int STATUS = 2;
175
176 @Override
177 public int getViewTypeCount() {
178 return 3;
179 }
180
181 @Override
182 public int getItemViewType(int position) {
183 if (getItem(position).getType() == Message.TYPE_STATUS) {
184 return STATUS;
185 } else if (getItem(position).getStatus() <= Message.STATUS_RECIEVED) {
186 return RECIEVED;
187 } else {
188 return SENT;
189 }
190 }
191
192 private void displayStatus(ViewHolder viewHolder, Message message) {
193 String filesize = null;
194 String info = null;
195 boolean error = false;
196 boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
197 && message.getStatus() <= Message.STATUS_RECIEVED;
198 if (message.getType() == Message.TYPE_IMAGE) {
199 String[] fileParams = message.getBody().split(",");
200 try {
201 long size = Long.parseLong(fileParams[0]);
202 filesize = size / 1024 + " KB";
203 } catch (NumberFormatException e) {
204 filesize = "0 KB";
205 }
206 }
207 switch (message.getStatus()) {
208 case Message.STATUS_WAITING:
209 info = getString(R.string.waiting);
210 break;
211 case Message.STATUS_UNSEND:
212 info = getString(R.string.sending);
213 break;
214 case Message.STATUS_OFFERED:
215 info = getString(R.string.offering);
216 break;
217 case Message.STATUS_SEND_FAILED:
218 info = getString(R.string.send_failed);
219 error = true;
220 break;
221 case Message.STATUS_SEND_REJECTED:
222 info = getString(R.string.send_rejected);
223 error = true;
224 break;
225 default:
226 if (multiReceived) {
227 info = message.getCounterpart();
228 }
229 break;
230 }
231 if (error) {
232 viewHolder.time.setTextColor(0xFFe92727);
233 } else {
234 viewHolder.time.setTextColor(0xFF8e8e8e);
235 }
236 if (message.getEncryption() == Message.ENCRYPTION_NONE) {
237 viewHolder.indicator.setVisibility(View.GONE);
238 } else {
239 viewHolder.indicator.setVisibility(View.VISIBLE);
240 }
241
242 String formatedTime = UIHelper.readableTimeDifference(
243 getContext(), message.getTimeSent());
244 if (message.getStatus() <= Message.STATUS_RECIEVED) {
245 if ((filesize != null) && (info != null)) {
246 viewHolder.time.setText(filesize + " \u00B7 " + info);
247 } else if ((filesize == null) && (info != null)) {
248 viewHolder.time.setText(formatedTime + " \u00B7 "
249 + info);
250 } else if ((filesize != null) && (info == null)) {
251 viewHolder.time.setText(formatedTime + " \u00B7 "
252 + filesize);
253 } else {
254 viewHolder.time.setText(formatedTime);
255 }
256 } else {
257 if ((filesize != null) && (info != null)) {
258 viewHolder.time.setText(filesize + " \u00B7 " + info);
259 } else if ((filesize == null) && (info != null)) {
260 if (error) {
261 viewHolder.time.setText(info + " \u00B7 "
262 + formatedTime);
263 } else {
264 viewHolder.time.setText(info);
265 }
266 } else if ((filesize != null) && (info == null)) {
267 viewHolder.time.setText(filesize + " \u00B7 "
268 + formatedTime);
269 } else {
270 viewHolder.time.setText(formatedTime);
271 }
272 }
273 }
274
275 private void displayInfoMessage(ViewHolder viewHolder, int r) {
276 if (viewHolder.download_button != null) {
277 viewHolder.download_button.setVisibility(View.GONE);
278 }
279 viewHolder.image.setVisibility(View.GONE);
280 viewHolder.messageBody.setVisibility(View.VISIBLE);
281 viewHolder.messageBody.setText(getString(r));
282 viewHolder.messageBody.setTextColor(0xff33B5E5);
283 viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
284 viewHolder.messageBody.setTextIsSelectable(false);
285 }
286
287 private void displayDecryptionFailed(ViewHolder viewHolder) {
288 viewHolder.download_button.setVisibility(View.GONE);
289 viewHolder.image.setVisibility(View.GONE);
290 viewHolder.messageBody.setVisibility(View.VISIBLE);
291 viewHolder.messageBody
292 .setText(getString(R.string.decryption_failed));
293 viewHolder.messageBody.setTextColor(0xFFe92727);
294 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
295 viewHolder.messageBody.setTextIsSelectable(false);
296 }
297
298 private void displayTextMessage(ViewHolder viewHolder, String text) {
299 if (viewHolder.download_button != null) {
300 viewHolder.download_button.setVisibility(View.GONE);
301 }
302 viewHolder.image.setVisibility(View.GONE);
303 viewHolder.messageBody.setVisibility(View.VISIBLE);
304 if (text != null) {
305 viewHolder.messageBody.setText(text.trim());
306 } else {
307 viewHolder.messageBody.setText("");
308 }
309 viewHolder.messageBody.setTextColor(0xff333333);
310 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
311 viewHolder.messageBody.setTextIsSelectable(true);
312 }
313
314 private void displayImageMessage(ViewHolder viewHolder,
315 final Message message) {
316 if (viewHolder.download_button != null) {
317 viewHolder.download_button.setVisibility(View.GONE);
318 }
319 viewHolder.messageBody.setVisibility(View.GONE);
320 viewHolder.image.setVisibility(View.VISIBLE);
321 String[] fileParams = message.getBody().split(",");
322 if (fileParams.length == 3) {
323 double target = metrics.density * 288;
324 int w = Integer.parseInt(fileParams[1]);
325 int h = Integer.parseInt(fileParams[2]);
326 int scalledW;
327 int scalledH;
328 if (w <= h) {
329 scalledW = (int) (w / ((double) h / target));
330 scalledH = (int) target;
331 } else {
332 scalledW = (int) target;
333 scalledH = (int) (h / ((double) w / target));
334 }
335 viewHolder.image
336 .setLayoutParams(new LinearLayout.LayoutParams(
337 scalledW, scalledH));
338 }
339 activity.loadBitmap(message, viewHolder.image);
340 viewHolder.image.setOnClickListener(new OnClickListener() {
341
342 @Override
343 public void onClick(View v) {
344 Intent intent = new Intent(Intent.ACTION_VIEW);
345 intent.setDataAndType(
346 ImageProvider.getContentUri(message), "image/*");
347 startActivity(intent);
348 }
349 });
350 viewHolder.image
351 .setOnLongClickListener(new OnLongClickListener() {
352
353 @Override
354 public boolean onLongClick(View v) {
355 Intent shareIntent = new Intent();
356 shareIntent.setAction(Intent.ACTION_SEND);
357 shareIntent.putExtra(Intent.EXTRA_STREAM,
358 ImageProvider.getContentUri(message));
359 shareIntent.setType("image/webp");
360 startActivity(Intent.createChooser(shareIntent,
361 getText(R.string.share_with)));
362 return true;
363 }
364 });
365 }
366
367 @Override
368 public View getView(int position, View view, ViewGroup parent) {
369 final Message item = getItem(position);
370 int type = getItemViewType(position);
371 ViewHolder viewHolder;
372 if (view == null) {
373 viewHolder = new ViewHolder();
374 switch (type) {
375 case SENT:
376 view = (View) inflater.inflate(R.layout.message_sent,
377 null);
378 viewHolder.message_box = (LinearLayout) view
379 .findViewById(R.id.message_box);
380 viewHolder.contact_picture = (ImageView) view
381 .findViewById(R.id.message_photo);
382 viewHolder.contact_picture.setImageBitmap(selfBitmap);
383 viewHolder.indicator = (ImageView) view
384 .findViewById(R.id.security_indicator);
385 viewHolder.image = (ImageView) view
386 .findViewById(R.id.message_image);
387 viewHolder.messageBody = (TextView) view
388 .findViewById(R.id.message_body);
389 viewHolder.time = (TextView) view
390 .findViewById(R.id.message_time);
391 view.setTag(viewHolder);
392 break;
393 case RECIEVED:
394 view = (View) inflater.inflate(
395 R.layout.message_recieved, null);
396 viewHolder.message_box = (LinearLayout) view
397 .findViewById(R.id.message_box);
398 viewHolder.contact_picture = (ImageView) view
399 .findViewById(R.id.message_photo);
400
401 viewHolder.download_button = (Button) view
402 .findViewById(R.id.download_button);
403
404 if (item.getConversation().getMode() == Conversation.MODE_SINGLE) {
405
406 viewHolder.contact_picture
407 .setImageBitmap(mBitmapCache.get(
408 item.getConversation().getName(
409 useSubject), item
410 .getConversation()
411 .getContact(),
412 getActivity()
413 .getApplicationContext()));
414
415 }
416 viewHolder.indicator = (ImageView) view
417 .findViewById(R.id.security_indicator);
418 viewHolder.image = (ImageView) view
419 .findViewById(R.id.message_image);
420 viewHolder.messageBody = (TextView) view
421 .findViewById(R.id.message_body);
422 viewHolder.time = (TextView) view
423 .findViewById(R.id.message_time);
424 view.setTag(viewHolder);
425 break;
426 case STATUS:
427 view = (View) inflater.inflate(R.layout.message_status,
428 null);
429 viewHolder.contact_picture = (ImageView) view
430 .findViewById(R.id.message_photo);
431 if (item.getConversation().getMode() == Conversation.MODE_SINGLE) {
432
433 viewHolder.contact_picture
434 .setImageBitmap(mBitmapCache.get(
435 item.getConversation().getName(
436 useSubject), item
437 .getConversation()
438 .getContact(),
439 getActivity()
440 .getApplicationContext()));
441 viewHolder.contact_picture.setAlpha(128);
442
443 }
444 break;
445 default:
446 viewHolder = null;
447 break;
448 }
449 } else {
450 viewHolder = (ViewHolder) view.getTag();
451 }
452
453 if (type == STATUS) {
454 return view;
455 }
456
457 if (type == RECIEVED) {
458 if (item.getConversation().getMode() == Conversation.MODE_MULTI) {
459 viewHolder.contact_picture.setImageBitmap(mBitmapCache
460 .get(item.getCounterpart(), null, getActivity()
461 .getApplicationContext()));
462 viewHolder.contact_picture
463 .setOnClickListener(new OnClickListener() {
464
465 @Override
466 public void onClick(View v) {
467 highlightInConference(item
468 .getCounterpart());
469 }
470 });
471 }
472 }
473
474 if (item.getType() == Message.TYPE_IMAGE) {
475 if (item.getStatus() == Message.STATUS_RECIEVING) {
476 displayInfoMessage(viewHolder, R.string.receiving_image);
477 } else if (item.getStatus() == Message.STATUS_RECEIVED_OFFER) {
478 viewHolder.image.setVisibility(View.GONE);
479 viewHolder.messageBody.setVisibility(View.GONE);
480 viewHolder.download_button.setVisibility(View.VISIBLE);
481 viewHolder.download_button
482 .setOnClickListener(new OnClickListener() {
483
484 @Override
485 public void onClick(View v) {
486 JingleConnection connection = item
487 .getJingleConnection();
488 if (connection != null) {
489 connection.accept();
490 } else {
491 Log.d("xmppService",
492 "attached jingle connection was null");
493 }
494 }
495 });
496 } else if ((item.getEncryption() == Message.ENCRYPTION_DECRYPTED)
497 || (item.getEncryption() == Message.ENCRYPTION_NONE)) {
498 displayImageMessage(viewHolder, item);
499 } else if (item.getEncryption() == Message.ENCRYPTION_PGP) {
500 displayInfoMessage(viewHolder,
501 R.string.encrypted_message);
502 } else {
503 displayDecryptionFailed(viewHolder);
504 }
505 } else {
506 if (item.getEncryption() == Message.ENCRYPTION_PGP) {
507 if (activity.hasPgp()) {
508 displayInfoMessage(viewHolder,
509 R.string.encrypted_message);
510 } else {
511 displayInfoMessage(viewHolder,
512 R.string.install_openkeychain);
513 viewHolder.message_box.setOnClickListener(new OnClickListener() {
514
515 @Override
516 public void onClick(View v) {
517 activity.showInstallPgpDialog();
518 }
519 });
520 }
521 } else if (item.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
522 displayDecryptionFailed(viewHolder);
523 } else {
524 displayTextMessage(viewHolder, item.getBody());
525 }
526 }
527
528 displayStatus(viewHolder, item);
529
530 return view;
531 }
532 };
533 messagesView.setAdapter(messageListAdapter);
534
535 return view;
536 }
537
538 protected void highlightInConference(String nick) {
539 String oldString = chatMsg.getText().toString().trim();
540 if (oldString.isEmpty()) {
541 chatMsg.setText(nick + ": ");
542 } else {
543 chatMsg.setText(oldString + " " + nick + " ");
544 }
545 int position = chatMsg.length();
546 Editable etext = chatMsg.getText();
547 Selection.setSelection(etext, position);
548 }
549
550 protected Bitmap findSelfPicture() {
551 SharedPreferences sharedPref = PreferenceManager
552 .getDefaultSharedPreferences(getActivity()
553 .getApplicationContext());
554 boolean showPhoneSelfContactPicture = sharedPref.getBoolean(
555 "show_phone_selfcontact_picture", true);
556
557 return UIHelper.getSelfContactPicture(conversation.getAccount(), 48,
558 showPhoneSelfContactPicture, getActivity());
559 }
560
561 @Override
562 public void onStart() {
563 super.onStart();
564 this.activity = (ConversationActivity) getActivity();
565 SharedPreferences preferences = PreferenceManager
566 .getDefaultSharedPreferences(activity);
567 this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
568 if (activity.xmppConnectionServiceBound) {
569 this.onBackendConnected();
570 }
571 }
572
573 @Override
574 public void onStop() {
575 super.onStop();
576 if (this.conversation != null) {
577 this.conversation.setNextMessage(chatMsg.getText().toString());
578 }
579 }
580
581 public void onBackendConnected() {
582 this.conversation = activity.getSelectedConversation();
583 if (this.conversation == null) {
584 return;
585 }
586 String oldString = conversation.getNextMessage().trim();
587 if (this.pastedText == null) {
588 this.chatMsg.setText(oldString);
589 } else {
590
591 if (oldString.isEmpty()) {
592 chatMsg.setText(pastedText);
593 } else {
594 chatMsg.setText(oldString + " " + pastedText);
595 }
596 pastedText = null;
597 }
598 int position = chatMsg.length();
599 Editable etext = chatMsg.getText();
600 Selection.setSelection(etext, position);
601 this.selfBitmap = findSelfPicture();
602 updateMessages();
603 if (activity.getSlidingPaneLayout().isSlideable()) {
604 if (!activity.shouldPaneBeOpen()) {
605 activity.getSlidingPaneLayout().closePane();
606 activity.getActionBar().setDisplayHomeAsUpEnabled(true);
607 activity.getActionBar().setHomeButtonEnabled(true);
608 activity.getActionBar().setTitle(
609 conversation.getName(useSubject));
610 activity.invalidateOptionsMenu();
611 }
612 }
613 if (conversation.getMode() == Conversation.MODE_MULTI) {
614 activity.xmppConnectionService
615 .setOnRenameListener(new OnRenameListener() {
616
617 @Override
618 public void onRename(final boolean success) {
619 activity.xmppConnectionService
620 .updateConversation(conversation);
621 getActivity().runOnUiThread(new Runnable() {
622
623 @Override
624 public void run() {
625 if (success) {
626 Toast.makeText(
627 getActivity(),
628 getString(R.string.your_nick_has_been_changed),
629 Toast.LENGTH_SHORT).show();
630 } else {
631 Toast.makeText(
632 getActivity(),
633 getString(R.string.nick_in_use),
634 Toast.LENGTH_SHORT).show();
635 }
636 }
637 });
638 }
639 });
640 }
641 }
642
643 private void decryptMessage(Message message) {
644 PgpEngine engine = activity.xmppConnectionService.getPgpEngine();
645 if (engine != null) {
646 engine.decrypt(message, new UiCallback<Message>() {
647
648 @Override
649 public void userInputRequried(PendingIntent pi, Message message) {
650 askForPassphraseIntent = pi.getIntentSender();
651 pgpInfo.setVisibility(View.VISIBLE);
652 }
653
654 @Override
655 public void success(Message message) {
656 activity.xmppConnectionService.databaseBackend
657 .updateMessage(message);
658 updateMessages();
659 }
660
661 @Override
662 public void error(int error, Message message) {
663 message.setEncryption(Message.ENCRYPTION_DECRYPTION_FAILED);
664 // updateMessages();
665 }
666 });
667 } else {
668 pgpInfo.setVisibility(View.GONE);
669 }
670 }
671
672 public void updateMessages() {
673 if (getView() == null) {
674 return;
675 }
676 ConversationActivity activity = (ConversationActivity) getActivity();
677 if (this.conversation != null) {
678 for (Message message : this.conversation.getMessages()) {
679 if ((message.getEncryption() == Message.ENCRYPTION_PGP)
680 && ((message.getStatus() == Message.STATUS_RECIEVED) || (message
681 .getStatus() == Message.STATUS_SEND))) {
682 decryptMessage(message);
683 break;
684 }
685 }
686 for(Message message : this.conversation.getMessages()) {
687 if (!this.messageList.contains(message)) {
688 this.messageList.add(message);
689 }
690 }
691 updateStatusMessages();
692 this.messageListAdapter.notifyDataSetChanged();
693 if (conversation.getMode() == Conversation.MODE_SINGLE) {
694 if (messageList.size() >= 1) {
695 makeFingerprintWarning(conversation.getLatestEncryption());
696 }
697 } else {
698 if (conversation.getMucOptions().getError() != 0) {
699 mucError.setVisibility(View.VISIBLE);
700 if (conversation.getMucOptions().getError() == MucOptions.ERROR_NICK_IN_USE) {
701 mucErrorText.setText(getString(R.string.nick_in_use));
702 }
703 } else {
704 mucError.setVisibility(View.GONE);
705 }
706 }
707 getActivity().invalidateOptionsMenu();
708 updateChatMsgHint();
709 if (!activity.shouldPaneBeOpen()) {
710 activity.xmppConnectionService.markRead(conversation);
711 // TODO update notifications
712 UIHelper.updateNotification(getActivity(),
713 activity.getConversationList(), null, false);
714 activity.updateConversationList();
715 }
716 }
717 }
718
719 private void messageSent() {
720 int size = this.messageList.size();
721 if (size >= 1) {
722 messagesView.setSelection(size - 1);
723 }
724 chatMsg.setText("");
725 }
726
727 protected void updateStatusMessages() {
728 boolean addedStatusMsg = false;
729 if (conversation.getMode() == Conversation.MODE_SINGLE) {
730 for (int i = this.messageList.size() - 1; i >= 0; --i) {
731 if (addedStatusMsg) {
732 if (this.messageList.get(i).getType() == Message.TYPE_STATUS) {
733 this.messageList.remove(i);
734 --i;
735 }
736 } else {
737 if (this.messageList.get(i).getStatus() == Message.STATUS_RECIEVED) {
738 addedStatusMsg = true;
739 } else {
740 if (this.messageList.get(i).getStatus() == Message.STATUS_SEND_DISPLAYED) {
741 this.messageList.add(i + 1,
742 Message.createStatusMessage(conversation));
743 addedStatusMsg = true;
744 }
745 }
746 }
747 }
748 }
749 }
750
751 protected void makeFingerprintWarning(int latestEncryption) {
752 final LinearLayout fingerprintWarning = (LinearLayout) getView()
753 .findViewById(R.id.new_fingerprint);
754 Set<String> knownFingerprints = conversation.getContact()
755 .getOtrFingerprints();
756 if ((latestEncryption == Message.ENCRYPTION_OTR)
757 && (conversation.hasValidOtrSession()
758 && (conversation.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED) && (!knownFingerprints
759 .contains(conversation.getOtrFingerprint())))) {
760 fingerprintWarning.setVisibility(View.VISIBLE);
761 TextView fingerprint = (TextView) getView().findViewById(
762 R.id.otr_fingerprint);
763 fingerprint.setText(conversation.getOtrFingerprint());
764 fingerprintWarning.setOnClickListener(new OnClickListener() {
765
766 @Override
767 public void onClick(View v) {
768 AlertDialog dialog = UIHelper.getVerifyFingerprintDialog(
769 (ConversationActivity) getActivity(), conversation,
770 fingerprintWarning);
771 dialog.show();
772 }
773 });
774 } else {
775 fingerprintWarning.setVisibility(View.GONE);
776 }
777 }
778
779 protected void sendPlainTextMessage(Message message) {
780 ConversationActivity activity = (ConversationActivity) getActivity();
781 activity.xmppConnectionService.sendMessage(message);
782 messageSent();
783 }
784
785 protected void sendPgpMessage(final Message message) {
786 final ConversationActivity activity = (ConversationActivity) getActivity();
787 final XmppConnectionService xmppService = activity.xmppConnectionService;
788 final Contact contact = message.getConversation().getContact();
789 if (activity.hasPgp()) {
790 if (conversation.getMode() == Conversation.MODE_SINGLE) {
791 if (contact.getPgpKeyId() != 0) {
792 xmppService.getPgpEngine().hasKey(contact,
793 new UiCallback<Contact>() {
794
795 @Override
796 public void userInputRequried(PendingIntent pi,
797 Contact contact) {
798 activity.runIntent(
799 pi,
800 ConversationActivity.REQUEST_ENCRYPT_MESSAGE);
801 }
802
803 @Override
804 public void success(Contact contact) {
805 messageSent();
806 activity.encryptTextMessage(message);
807 }
808
809 @Override
810 public void error(int error, Contact contact) {
811
812 }
813 });
814
815 } else {
816 showNoPGPKeyDialog(false,
817 new DialogInterface.OnClickListener() {
818
819 @Override
820 public void onClick(DialogInterface dialog,
821 int which) {
822 conversation
823 .setNextEncryption(Message.ENCRYPTION_NONE);
824 message.setEncryption(Message.ENCRYPTION_NONE);
825 xmppService.sendMessage(message);
826 messageSent();
827 }
828 });
829 }
830 } else {
831 if (conversation.getMucOptions().pgpKeysInUse()) {
832 if (!conversation.getMucOptions().everybodyHasKeys()) {
833 Toast warning = Toast
834 .makeText(getActivity(),
835 R.string.missing_public_keys,
836 Toast.LENGTH_LONG);
837 warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
838 warning.show();
839 }
840 activity.encryptTextMessage(message);
841 } else {
842 showNoPGPKeyDialog(true,
843 new DialogInterface.OnClickListener() {
844
845 @Override
846 public void onClick(DialogInterface dialog,
847 int which) {
848 conversation
849 .setNextEncryption(Message.ENCRYPTION_NONE);
850 message.setEncryption(Message.ENCRYPTION_NONE);
851 xmppService.sendMessage(message);
852 messageSent();
853 }
854 });
855 }
856 }
857 } else {
858 activity.showInstallPgpDialog();
859 }
860 }
861
862 public void showNoPGPKeyDialog(boolean plural,
863 DialogInterface.OnClickListener listener) {
864 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
865 builder.setIconAttribute(android.R.attr.alertDialogIcon);
866 if (plural) {
867 builder.setTitle(getString(R.string.no_pgp_keys));
868 builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
869 } else {
870 builder.setTitle(getString(R.string.no_pgp_key));
871 builder.setMessage(getText(R.string.contact_has_no_pgp_key));
872 }
873 builder.setNegativeButton(getString(R.string.cancel), null);
874 builder.setPositiveButton(getString(R.string.send_unencrypted),
875 listener);
876 builder.create().show();
877 }
878
879 protected void sendOtrMessage(final Message message) {
880 final ConversationActivity activity = (ConversationActivity) getActivity();
881 final XmppConnectionService xmppService = activity.xmppConnectionService;
882 if (conversation.hasValidOtrSession()) {
883 activity.xmppConnectionService.sendMessage(message);
884 messageSent();
885 } else {
886 activity.selectPresence(message.getConversation(),
887 new OnPresenceSelected() {
888
889 @Override
890 public void onPresenceSelected(boolean success,
891 String presence) {
892 if (success) {
893 message.setPresence(presence);
894 xmppService.sendMessage(message);
895 messageSent();
896 }
897 }
898
899 @Override
900 public void onSendPlainTextInstead() {
901 message.setEncryption(Message.ENCRYPTION_NONE);
902 xmppService.sendMessage(message);
903 messageSent();
904 }
905 });
906 }
907 }
908
909 private static class ViewHolder {
910
911 protected LinearLayout message_box;
912 protected Button download_button;
913 protected ImageView image;
914 protected ImageView indicator;
915 protected TextView time;
916 protected TextView messageBody;
917 protected ImageView contact_picture;
918
919 }
920
921 private class BitmapCache {
922 private HashMap<String, Bitmap> bitmaps = new HashMap<String, Bitmap>();
923
924 public Bitmap get(String name, Contact contact, Context context) {
925 if (bitmaps.containsKey(name)) {
926 return bitmaps.get(name);
927 } else {
928 Bitmap bm;
929 if (contact != null) {
930 bm = UIHelper
931 .getContactPicture(contact, 48, context, false);
932 } else {
933 bm = UIHelper.getContactPicture(name, 48, context, false);
934 }
935 bitmaps.put(name, bm);
936 return bm;
937 }
938 }
939 }
940
941 public void setText(String text) {
942 this.pastedText = text;
943 }
944
945 public void clearInputField() {
946 this.chatMsg.setText("");
947 }
948}