1package eu.siacs.conversations.ui;
2
3import android.app.Activity;
4import android.app.AlertDialog;
5import android.app.Fragment;
6import android.app.PendingIntent;
7import android.content.ActivityNotFoundException;
8import android.content.Context;
9import android.content.DialogInterface;
10import android.content.Intent;
11import android.content.IntentSender.SendIntentException;
12import android.os.Bundle;
13import android.support.annotation.Nullable;
14import android.text.InputType;
15import android.view.ContextMenu;
16import android.view.ContextMenu.ContextMenuInfo;
17import android.view.Gravity;
18import android.view.KeyEvent;
19import android.view.LayoutInflater;
20import android.view.MenuItem;
21import android.view.View;
22import android.view.View.OnClickListener;
23import android.view.ViewGroup;
24import android.view.inputmethod.EditorInfo;
25import android.view.inputmethod.InputMethodManager;
26import android.widget.AbsListView;
27import android.widget.AbsListView.OnScrollListener;
28import android.widget.AdapterView;
29import android.widget.AdapterView.AdapterContextMenuInfo;
30import android.widget.ImageButton;
31import android.widget.ListView;
32import android.widget.RelativeLayout;
33import android.widget.TextView;
34import android.widget.TextView.OnEditorActionListener;
35import android.widget.Toast;
36
37import net.java.otr4j.session.SessionStatus;
38
39import java.util.ArrayList;
40import java.util.Collections;
41import java.util.List;
42import java.util.UUID;
43
44import eu.siacs.conversations.Config;
45import eu.siacs.conversations.R;
46import eu.siacs.conversations.crypto.axolotl.AxolotlService;
47import eu.siacs.conversations.entities.Account;
48import eu.siacs.conversations.entities.Contact;
49import eu.siacs.conversations.entities.Conversation;
50import eu.siacs.conversations.entities.DownloadableFile;
51import eu.siacs.conversations.entities.Message;
52import eu.siacs.conversations.entities.MucOptions;
53import eu.siacs.conversations.entities.Presence;
54import eu.siacs.conversations.entities.Transferable;
55import eu.siacs.conversations.entities.TransferablePlaceholder;
56import eu.siacs.conversations.services.XmppConnectionService;
57import eu.siacs.conversations.ui.XmppActivity.OnPresenceSelected;
58import eu.siacs.conversations.ui.XmppActivity.OnValueEdited;
59import eu.siacs.conversations.ui.adapter.MessageAdapter;
60import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureClicked;
61import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureLongClicked;
62import eu.siacs.conversations.utils.GeoHelper;
63import eu.siacs.conversations.utils.UIHelper;
64import eu.siacs.conversations.xmpp.XmppConnection;
65import eu.siacs.conversations.xmpp.chatstate.ChatState;
66import eu.siacs.conversations.xmpp.jid.Jid;
67
68public class ConversationFragment extends Fragment implements EditMessage.KeyboardListener {
69
70 protected Conversation conversation;
71 private OnClickListener leaveMuc = new OnClickListener() {
72
73 @Override
74 public void onClick(View v) {
75 activity.endConversation(conversation);
76 }
77 };
78 private OnClickListener joinMuc = new OnClickListener() {
79
80 @Override
81 public void onClick(View v) {
82 activity.xmppConnectionService.joinMuc(conversation);
83 }
84 };
85 private OnClickListener enterPassword = new OnClickListener() {
86
87 @Override
88 public void onClick(View v) {
89 MucOptions muc = conversation.getMucOptions();
90 String password = muc.getPassword();
91 if (password == null) {
92 password = "";
93 }
94 activity.quickPasswordEdit(password, new OnValueEdited() {
95
96 @Override
97 public void onValueEdited(String value) {
98 activity.xmppConnectionService.providePasswordForMuc(
99 conversation, value);
100 }
101 });
102 }
103 };
104 protected ListView messagesView;
105 final protected List<Message> messageList = new ArrayList<>();
106 protected MessageAdapter messageListAdapter;
107 private EditMessage mEditMessage;
108 private ImageButton mSendButton;
109 private RelativeLayout snackbar;
110 private TextView snackbarMessage;
111 private TextView snackbarAction;
112 private boolean messagesLoaded = true;
113 private Toast messageLoaderToast;
114
115 private OnScrollListener mOnScrollListener = new OnScrollListener() {
116
117 @Override
118 public void onScrollStateChanged(AbsListView view, int scrollState) {
119 // TODO Auto-generated method stub
120
121 }
122
123 private int getIndexOf(String uuid, List<Message> messages) {
124 if (uuid == null) {
125 return 0;
126 }
127 for(int i = 0; i < messages.size(); ++i) {
128 if (uuid.equals(messages.get(i).getUuid())) {
129 return i;
130 } else {
131 Message next = messages.get(i);
132 while(next != null && next.wasMergedIntoPrevious()) {
133 if (uuid.equals(next.getUuid())) {
134 return i;
135 }
136 next = next.next();
137 }
138
139 }
140 }
141 return 0;
142 }
143
144 @Override
145 public void onScroll(AbsListView view, int firstVisibleItem,
146 int visibleItemCount, int totalItemCount) {
147 synchronized (ConversationFragment.this.messageList) {
148 if (firstVisibleItem < 5 && messagesLoaded && messageList.size() > 0) {
149 long timestamp;
150 if (messageList.get(0).getType() == Message.TYPE_STATUS && messageList.size() >= 2) {
151 timestamp = messageList.get(1).getTimeSent();
152 } else {
153 timestamp = messageList.get(0).getTimeSent();
154 }
155 messagesLoaded = false;
156 activity.xmppConnectionService.loadMoreMessages(conversation, timestamp, new XmppConnectionService.OnMoreMessagesLoaded() {
157 @Override
158 public void onMoreMessagesLoaded(final int c, Conversation conversation) {
159 if (ConversationFragment.this.conversation != conversation) {
160 return;
161 }
162 activity.runOnUiThread(new Runnable() {
163 @Override
164 public void run() {
165 final int oldPosition = messagesView.getFirstVisiblePosition();
166 Message message = messageList.get(oldPosition);
167 String uuid = message != null ? message.getUuid() : null;
168 View v = messagesView.getChildAt(0);
169 final int pxOffset = (v == null) ? 0 : v.getTop();
170 ConversationFragment.this.conversation.populateWithMessages(ConversationFragment.this.messageList);
171 updateStatusMessages();
172 messageListAdapter.notifyDataSetChanged();
173 int pos = getIndexOf(uuid,messageList);
174 messagesView.setSelectionFromTop(pos, pxOffset);
175 messagesLoaded = true;
176 if (messageLoaderToast != null) {
177 messageLoaderToast.cancel();
178 }
179 }
180 });
181 }
182
183 @Override
184 public void informUser(final int resId) {
185
186 activity.runOnUiThread(new Runnable() {
187 @Override
188 public void run() {
189 if (messageLoaderToast != null) {
190 messageLoaderToast.cancel();
191 }
192 if (ConversationFragment.this.conversation != conversation) {
193 return;
194 }
195 messageLoaderToast = Toast.makeText(activity, resId, Toast.LENGTH_LONG);
196 messageLoaderToast.show();
197 }
198 });
199
200 }
201 });
202
203 }
204 }
205 }
206 };
207 private final int KEYCHAIN_UNLOCK_NOT_REQUIRED = 0;
208 private final int KEYCHAIN_UNLOCK_REQUIRED = 1;
209 private final int KEYCHAIN_UNLOCK_PENDING = 2;
210 private int keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
211 protected OnClickListener clickToDecryptListener = new OnClickListener() {
212
213 @Override
214 public void onClick(View v) {
215 if (keychainUnlock == KEYCHAIN_UNLOCK_REQUIRED
216 && activity.hasPgp() && !conversation.getAccount().getPgpDecryptionService().isRunning()) {
217 keychainUnlock = KEYCHAIN_UNLOCK_PENDING;
218 updateSnackBar(conversation);
219 Message message = getLastPgpDecryptableMessage();
220 if (message != null) {
221 activity.xmppConnectionService.getPgpEngine().decrypt(message, new UiCallback<Message>() {
222 @Override
223 public void success(Message object) {
224 conversation.getAccount().getPgpDecryptionService().onKeychainUnlocked();
225 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
226 }
227
228 @Override
229 public void error(int errorCode, Message object) {
230 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
231 }
232
233 @Override
234 public void userInputRequried(PendingIntent pi, Message object) {
235 try {
236 activity.startIntentSenderForResult(pi.getIntentSender(),
237 ConversationActivity.REQUEST_DECRYPT_PGP, null, 0, 0, 0);
238 } catch (SendIntentException e) {
239 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
240 updatePgpMessages();
241 }
242 }
243 });
244 }
245 } else {
246 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
247 updatePgpMessages();
248 }
249 }
250 };
251 protected OnClickListener clickToVerify = new OnClickListener() {
252
253 @Override
254 public void onClick(View v) {
255 activity.verifyOtrSessionDialog(conversation, v);
256 }
257 };
258 private OnEditorActionListener mEditorActionListener = new OnEditorActionListener() {
259
260 @Override
261 public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
262 if (actionId == EditorInfo.IME_ACTION_SEND) {
263 InputMethodManager imm = (InputMethodManager) v.getContext()
264 .getSystemService(Context.INPUT_METHOD_SERVICE);
265 if (imm.isFullscreenMode()) {
266 imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
267 }
268 sendMessage();
269 return true;
270 } else {
271 return false;
272 }
273 }
274 };
275 private OnClickListener mSendButtonListener = new OnClickListener() {
276
277 @Override
278 public void onClick(View v) {
279 Object tag = v.getTag();
280 if (tag instanceof SendButtonAction) {
281 SendButtonAction action = (SendButtonAction) tag;
282 switch (action) {
283 case TAKE_PHOTO:
284 activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_TAKE_PHOTO);
285 break;
286 case SEND_LOCATION:
287 activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_LOCATION);
288 break;
289 case RECORD_VOICE:
290 activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_RECORD_VOICE);
291 break;
292 case CHOOSE_PICTURE:
293 activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_CHOOSE_IMAGE);
294 break;
295 case CANCEL:
296 if (conversation != null) {
297 if (conversation.getCorrectingMessage() != null) {
298 conversation.setCorrectingMessage(null);
299 mEditMessage.getEditableText().clear();
300 }
301 if (conversation.getMode() == Conversation.MODE_MULTI) {
302 conversation.setNextCounterpart(null);
303 }
304 updateChatMsgHint();
305 updateSendButton();
306 }
307 break;
308 default:
309 sendMessage();
310 }
311 } else {
312 sendMessage();
313 }
314 }
315 };
316 private OnClickListener clickToMuc = new OnClickListener() {
317
318 @Override
319 public void onClick(View v) {
320 Intent intent = new Intent(getActivity(), ConferenceDetailsActivity.class);
321 intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
322 intent.putExtra("uuid", conversation.getUuid());
323 startActivity(intent);
324 }
325 };
326 private ConversationActivity activity;
327 private Message selectedMessage;
328
329 public void setMessagesLoaded() {
330 this.messagesLoaded = true;
331 }
332
333 private void sendMessage() {
334 final String body = mEditMessage.getText().toString();
335 if (body.length() == 0 || this.conversation == null) {
336 return;
337 }
338 final Message message;
339 if (conversation.getCorrectingMessage() == null) {
340 message = new Message(conversation, body, conversation.getNextEncryption());
341 if (conversation.getMode() == Conversation.MODE_MULTI) {
342 if (conversation.getNextCounterpart() != null) {
343 message.setCounterpart(conversation.getNextCounterpart());
344 message.setType(Message.TYPE_PRIVATE);
345 }
346 }
347 } else {
348 message = conversation.getCorrectingMessage();
349 message.setBody(body);
350 message.setEdited(message.getUuid());
351 message.setUuid(UUID.randomUUID().toString());
352 conversation.setCorrectingMessage(null);
353 }
354 switch (conversation.getNextEncryption()) {
355 case Message.ENCRYPTION_OTR:
356 sendOtrMessage(message);
357 break;
358 case Message.ENCRYPTION_PGP:
359 sendPgpMessage(message);
360 break;
361 case Message.ENCRYPTION_AXOLOTL:
362 if(!activity.trustKeysIfNeeded(ConversationActivity.REQUEST_TRUST_KEYS_TEXT)) {
363 sendAxolotlMessage(message);
364 }
365 break;
366 default:
367 sendPlainTextMessage(message);
368 }
369 }
370
371 public void updateChatMsgHint() {
372 final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
373 if (conversation.getCorrectingMessage() != null) {
374 this.mEditMessage.setHint(R.string.send_corrected_message);
375 } else if (multi && conversation.getNextCounterpart() != null) {
376 this.mEditMessage.setHint(getString(
377 R.string.send_private_message_to,
378 conversation.getNextCounterpart().getResourcepart()));
379 } else if (multi && !conversation.getMucOptions().participating()) {
380 this.mEditMessage.setHint(R.string.you_are_not_participating);
381 } else {
382 switch (conversation.getNextEncryption()) {
383 case Message.ENCRYPTION_NONE:
384 mEditMessage
385 .setHint(getString(R.string.send_unencrypted_message));
386 break;
387 case Message.ENCRYPTION_OTR:
388 mEditMessage.setHint(getString(R.string.send_otr_message));
389 break;
390 case Message.ENCRYPTION_AXOLOTL:
391 AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
392 if (axolotlService != null && axolotlService.trustedSessionVerified(conversation)) {
393 mEditMessage.setHint(getString(R.string.send_omemo_x509_message));
394 } else {
395 mEditMessage.setHint(getString(R.string.send_omemo_message));
396 }
397 break;
398 case Message.ENCRYPTION_PGP:
399 mEditMessage.setHint(getString(R.string.send_pgp_message));
400 break;
401 default:
402 break;
403 }
404 getActivity().invalidateOptionsMenu();
405 }
406 }
407
408 public void setupIme() {
409 if (activity == null) {
410 return;
411 } else if (activity.usingEnterKey() && activity.enterIsSend()) {
412 mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_FLAG_MULTI_LINE));
413 mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
414 } else if (activity.usingEnterKey()) {
415 mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE);
416 mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
417 } else {
418 mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE);
419 mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE);
420 }
421 }
422
423 @Override
424 public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
425 final View view = inflater.inflate(R.layout.fragment_conversation, container, false);
426 view.setOnClickListener(null);
427 mEditMessage = (EditMessage) view.findViewById(R.id.textinput);
428 mEditMessage.setOnClickListener(new OnClickListener() {
429
430 @Override
431 public void onClick(View v) {
432 if (activity != null) {
433 activity.hideConversationsOverview();
434 }
435 }
436 });
437 mEditMessage.setOnEditorActionListener(mEditorActionListener);
438
439 mSendButton = (ImageButton) view.findViewById(R.id.textSendButton);
440 mSendButton.setOnClickListener(this.mSendButtonListener);
441
442 snackbar = (RelativeLayout) view.findViewById(R.id.snackbar);
443 snackbarMessage = (TextView) view.findViewById(R.id.snackbar_message);
444 snackbarAction = (TextView) view.findViewById(R.id.snackbar_action);
445
446 messagesView = (ListView) view.findViewById(R.id.messages_view);
447 messagesView.setOnScrollListener(mOnScrollListener);
448 messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
449 messageListAdapter = new MessageAdapter((ConversationActivity) getActivity(), this.messageList);
450 messageListAdapter.setOnContactPictureClicked(new OnContactPictureClicked() {
451
452 @Override
453 public void onContactPictureClicked(Message message) {
454 if (message.getStatus() <= Message.STATUS_RECEIVED) {
455 if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
456 if (message.getCounterpart() != null) {
457 String user = message.getCounterpart().isBareJid() ? message.getCounterpart().toString() : message.getCounterpart().getResourcepart();
458 if (!message.getConversation().getMucOptions().isUserInRoom(user)) {
459 Toast.makeText(activity,activity.getString(R.string.user_has_left_conference,user),Toast.LENGTH_SHORT).show();
460 }
461 highlightInConference(user);
462 }
463 } else {
464 activity.switchToContactDetails(message.getContact(), message.getAxolotlFingerprint());
465 }
466 } else {
467 Account account = message.getConversation().getAccount();
468 Intent intent = new Intent(activity, EditAccountActivity.class);
469 intent.putExtra("jid", account.getJid().toBareJid().toString());
470 intent.putExtra("fingerprint", message.getAxolotlFingerprint());
471 startActivity(intent);
472 }
473 }
474 });
475 messageListAdapter
476 .setOnContactPictureLongClicked(new OnContactPictureLongClicked() {
477
478 @Override
479 public void onContactPictureLongClicked(Message message) {
480 if (message.getStatus() <= Message.STATUS_RECEIVED) {
481 if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
482 if (message.getCounterpart() != null) {
483 String user = message.getCounterpart().getResourcepart();
484 if (user != null) {
485 if (message.getConversation().getMucOptions().isUserInRoom(user)) {
486 privateMessageWith(message.getCounterpart());
487 } else {
488 Toast.makeText(activity, activity.getString(R.string.user_has_left_conference, user), Toast.LENGTH_SHORT).show();
489 }
490 }
491 }
492 }
493 } else {
494 activity.showQrCode();
495 }
496 }
497 });
498 messagesView.setAdapter(messageListAdapter);
499
500 registerForContextMenu(messagesView);
501
502 return view;
503 }
504
505 @Override
506 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
507 synchronized (this.messageList) {
508 super.onCreateContextMenu(menu, v, menuInfo);
509 AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
510 this.selectedMessage = this.messageList.get(acmi.position);
511 populateContextMenu(menu);
512 }
513 }
514
515 private void populateContextMenu(ContextMenu menu) {
516 final Message m = this.selectedMessage;
517 Message relevantForCorrection = m;
518 while(relevantForCorrection.mergeable(relevantForCorrection.next())) {
519 relevantForCorrection = relevantForCorrection.next();
520 }
521 if (m.getType() != Message.TYPE_STATUS) {
522 activity.getMenuInflater().inflate(R.menu.message_context, menu);
523 menu.setHeaderTitle(R.string.message_options);
524 MenuItem copyText = menu.findItem(R.id.copy_text);
525 MenuItem correctMessage = menu.findItem(R.id.correct_message);
526 MenuItem shareWith = menu.findItem(R.id.share_with);
527 MenuItem sendAgain = menu.findItem(R.id.send_again);
528 MenuItem copyUrl = menu.findItem(R.id.copy_url);
529 MenuItem downloadFile = menu.findItem(R.id.download_file);
530 MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
531 if ((m.getType() == Message.TYPE_TEXT || m.getType() == Message.TYPE_PRIVATE)
532 && m.getTransferable() == null
533 && !GeoHelper.isGeoUri(m.getBody())
534 && m.treatAsDownloadable() != Message.Decision.MUST) {
535 copyText.setVisible(true);
536 }
537 if (relevantForCorrection.getType() == Message.TYPE_TEXT
538 && relevantForCorrection.isLastCorrectableMessage()) {
539 correctMessage.setVisible(true);
540 }
541 if ((m.getType() != Message.TYPE_TEXT
542 && m.getType() != Message.TYPE_PRIVATE
543 && m.getTransferable() == null)
544 || (GeoHelper.isGeoUri(m.getBody()))) {
545 shareWith.setVisible(true);
546 }
547 if (m.getStatus() == Message.STATUS_SEND_FAILED) {
548 sendAgain.setVisible(true);
549 }
550 if (m.hasFileOnRemoteHost()
551 || GeoHelper.isGeoUri(m.getBody())
552 || m.treatAsDownloadable() == Message.Decision.MUST) {
553 copyUrl.setVisible(true);
554 }
555 if ((m.getType() == Message.TYPE_TEXT && m.getTransferable() == null && m.treatAsDownloadable() != Message.Decision.NEVER)
556 || (m.isFileOrImage() && m.getTransferable() instanceof TransferablePlaceholder && m.hasFileOnRemoteHost())){
557 downloadFile.setVisible(true);
558 downloadFile.setTitle(activity.getString(R.string.download_x_file,UIHelper.getFileDescriptionString(activity, m)));
559 }
560 if ((m.getTransferable() != null && !(m.getTransferable() instanceof TransferablePlaceholder))
561 || (m.isFileOrImage() && (m.getStatus() == Message.STATUS_WAITING
562 || m.getStatus() == Message.STATUS_OFFERED))) {
563 cancelTransmission.setVisible(true);
564 }
565 }
566 }
567
568 @Override
569 public boolean onContextItemSelected(MenuItem item) {
570 switch (item.getItemId()) {
571 case R.id.share_with:
572 shareWith(selectedMessage);
573 return true;
574 case R.id.copy_text:
575 copyText(selectedMessage);
576 return true;
577 case R.id.correct_message:
578 correctMessage(selectedMessage);
579 return true;
580 case R.id.send_again:
581 resendMessage(selectedMessage);
582 return true;
583 case R.id.copy_url:
584 copyUrl(selectedMessage);
585 return true;
586 case R.id.download_file:
587 downloadFile(selectedMessage);
588 return true;
589 case R.id.cancel_transmission:
590 cancelTransmission(selectedMessage);
591 return true;
592 default:
593 return super.onContextItemSelected(item);
594 }
595 }
596
597 private void shareWith(Message message) {
598 Intent shareIntent = new Intent();
599 shareIntent.setAction(Intent.ACTION_SEND);
600 if (GeoHelper.isGeoUri(message.getBody())) {
601 shareIntent.putExtra(Intent.EXTRA_TEXT, message.getBody());
602 shareIntent.setType("text/plain");
603 } else {
604 shareIntent.putExtra(Intent.EXTRA_STREAM,
605 activity.xmppConnectionService.getFileBackend()
606 .getJingleFileUri(message));
607 shareIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
608 String mime = message.getMimeType();
609 if (mime == null) {
610 mime = "*/*";
611 }
612 shareIntent.setType(mime);
613 }
614 try {
615 activity.startActivity(Intent.createChooser(shareIntent, getText(R.string.share_with)));
616 } catch (ActivityNotFoundException e) {
617 //This should happen only on faulty androids because normally chooser is always available
618 Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
619 }
620 }
621
622 private void copyText(Message message) {
623 if (activity.copyTextToClipboard(message.getMergedBody(),
624 R.string.message_text)) {
625 Toast.makeText(activity, R.string.message_copied_to_clipboard,
626 Toast.LENGTH_SHORT).show();
627 }
628 }
629
630 private void resendMessage(Message message) {
631 if (message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) {
632 DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
633 if (!file.exists()) {
634 Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
635 message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
636 return;
637 }
638 }
639 activity.xmppConnectionService.resendFailedMessages(message);
640 }
641
642 private void copyUrl(Message message) {
643 final String url;
644 final int resId;
645 if (GeoHelper.isGeoUri(message.getBody())) {
646 resId = R.string.location;
647 url = message.getBody();
648 } else if (message.hasFileOnRemoteHost()) {
649 resId = R.string.file_url;
650 url = message.getFileParams().url.toString();
651 } else {
652 url = message.getBody().trim();
653 resId = R.string.file_url;
654 }
655 if (activity.copyTextToClipboard(url, resId)) {
656 Toast.makeText(activity, R.string.url_copied_to_clipboard,
657 Toast.LENGTH_SHORT).show();
658 }
659 }
660
661 private void downloadFile(Message message) {
662 activity.xmppConnectionService.getHttpConnectionManager()
663 .createNewDownloadConnection(message,true);
664 }
665
666 private void cancelTransmission(Message message) {
667 Transferable transferable = message.getTransferable();
668 if (transferable != null) {
669 transferable.cancel();
670 } else {
671 activity.xmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED);
672 }
673 }
674
675 protected void privateMessageWith(final Jid counterpart) {
676 this.mEditMessage.setText("");
677 this.conversation.setNextCounterpart(counterpart);
678 updateChatMsgHint();
679 updateSendButton();
680 }
681
682 private void correctMessage(Message message) {
683 while(message.mergeable(message.next())) {
684 message = message.next();
685 }
686 this.conversation.setCorrectingMessage(message);
687 this.mEditMessage.getEditableText().clear();
688 this.mEditMessage.getEditableText().append(message.getBody());
689
690 }
691
692 protected void highlightInConference(String nick) {
693 String oldString = mEditMessage.getText().toString().trim();
694 if (oldString.isEmpty() || mEditMessage.getSelectionStart() == 0) {
695 mEditMessage.getText().insert(0, nick + ": ");
696 } else {
697 if (mEditMessage.getText().charAt(
698 mEditMessage.getSelectionStart() - 1) != ' ') {
699 nick = " " + nick;
700 }
701 mEditMessage.getText().insert(mEditMessage.getSelectionStart(),
702 nick + " ");
703 }
704 }
705
706 @Override
707 public void onStop() {
708 super.onStop();
709 if (this.conversation != null) {
710 final String msg = mEditMessage.getText().toString();
711 this.conversation.setNextMessage(msg);
712 updateChatState(this.conversation, msg);
713 }
714 }
715
716 private void updateChatState(final Conversation conversation, final String msg) {
717 ChatState state = msg.length() == 0 ? Config.DEFAULT_CHATSTATE : ChatState.PAUSED;
718 Account.State status = conversation.getAccount().getStatus();
719 if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
720 activity.xmppConnectionService.sendChatState(conversation);
721 }
722 }
723
724 public void reInit(Conversation conversation) {
725 if (conversation == null) {
726 return;
727 }
728 this.activity = (ConversationActivity) getActivity();
729 setupIme();
730 if (this.conversation != null) {
731 final String msg = mEditMessage.getText().toString();
732 this.conversation.setNextMessage(msg);
733 if (this.conversation != conversation) {
734 updateChatState(this.conversation, msg);
735 }
736 this.conversation.trim();
737 }
738
739 this.keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
740 this.conversation = conversation;
741 if (this.conversation.getMode() == Conversation.MODE_MULTI) {
742 this.conversation.setNextCounterpart(null);
743 }
744 boolean canWrite = this.conversation.getMode() == Conversation.MODE_SINGLE || this.conversation.getMucOptions().participating();
745 this.mEditMessage.setEnabled(canWrite);
746 this.mSendButton.setEnabled(canWrite);
747 this.mEditMessage.setKeyboardListener(null);
748 this.mEditMessage.setText("");
749 this.mEditMessage.append(this.conversation.getNextMessage());
750 this.mEditMessage.setKeyboardListener(this);
751 messageListAdapter.updatePreferences();
752 this.messagesView.setAdapter(messageListAdapter);
753 updateMessages();
754 this.messagesLoaded = true;
755 int size = this.messageList.size();
756 if (size > 0) {
757 messagesView.setSelection(size - 1);
758 }
759 }
760
761 private OnClickListener mUnblockClickListener = new OnClickListener() {
762 @Override
763 public void onClick(final View v) {
764 v.post(new Runnable() {
765 @Override
766 public void run() {
767 v.setVisibility(View.INVISIBLE);
768 }
769 });
770 if (conversation.isDomainBlocked()) {
771 BlockContactDialog.show(activity, activity.xmppConnectionService, conversation);
772 } else {
773 activity.unblockConversation(conversation);
774 }
775 }
776 };
777
778 private OnClickListener mAddBackClickListener = new OnClickListener() {
779
780 @Override
781 public void onClick(View v) {
782 final Contact contact = conversation == null ? null : conversation.getContact();
783 if (contact != null) {
784 activity.xmppConnectionService.createContact(contact);
785 activity.switchToContactDetails(contact);
786 }
787 }
788 };
789
790 private OnClickListener mAnswerSmpClickListener = new OnClickListener() {
791 @Override
792 public void onClick(View view) {
793 Intent intent = new Intent(activity, VerifyOTRActivity.class);
794 intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
795 intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
796 intent.putExtra(VerifyOTRActivity.EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
797 intent.putExtra("mode", VerifyOTRActivity.MODE_ANSWER_QUESTION);
798 startActivity(intent);
799 }
800 };
801
802 private void updateSnackBar(final Conversation conversation) {
803 final Account account = conversation.getAccount();
804 final Contact contact = conversation.getContact();
805 final int mode = conversation.getMode();
806 if (conversation.isBlocked()) {
807 showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
808 } else if (!contact.showInRoster() && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
809 showSnackbar(R.string.contact_added_you, R.string.add_back, this.mAddBackClickListener);
810 } else if (mode == Conversation.MODE_MULTI
811 && !conversation.getMucOptions().online()
812 && account.getStatus() == Account.State.ONLINE) {
813 switch (conversation.getMucOptions().getError()) {
814 case MucOptions.ERROR_NICK_IN_USE:
815 showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
816 break;
817 case MucOptions.ERROR_NO_RESPONSE:
818 showSnackbar(R.string.conference_not_found, R.string.leave, leaveMuc);
819 break;
820 case MucOptions.ERROR_PASSWORD_REQUIRED:
821 showSnackbar(R.string.conference_requires_password, R.string.enter_password, enterPassword);
822 break;
823 case MucOptions.ERROR_BANNED:
824 showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
825 break;
826 case MucOptions.ERROR_MEMBERS_ONLY:
827 showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
828 break;
829 case MucOptions.KICKED_FROM_ROOM:
830 showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
831 break;
832 case MucOptions.ERROR_UNKNOWN:
833 showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
834 break;
835 default:
836 break;
837 }
838 } else if (keychainUnlock == KEYCHAIN_UNLOCK_REQUIRED) {
839 showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
840 } else if (mode == Conversation.MODE_SINGLE
841 && conversation.smpRequested()) {
842 showSnackbar(R.string.smp_requested, R.string.verify, this.mAnswerSmpClickListener);
843 } else if (mode == Conversation.MODE_SINGLE
844 && conversation.hasValidOtrSession()
845 && (conversation.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED)
846 && (!conversation.isOtrFingerprintVerified())) {
847 showSnackbar(R.string.unknown_otr_fingerprint, R.string.verify, clickToVerify);
848 } else {
849 hideSnackbar();
850 }
851 }
852
853 public void updateMessages() {
854 synchronized (this.messageList) {
855 if (getView() == null) {
856 return;
857 }
858 final ConversationActivity activity = (ConversationActivity) getActivity();
859 if (this.conversation != null) {
860 conversation.populateWithMessages(ConversationFragment.this.messageList);
861 updatePgpMessages();
862 updateSnackBar(conversation);
863 updateStatusMessages();
864 this.messageListAdapter.notifyDataSetChanged();
865 updateChatMsgHint();
866 if (!activity.isConversationsOverviewVisable() || !activity.isConversationsOverviewHideable()) {
867 activity.sendReadMarkerIfNecessary(conversation);
868 }
869 this.updateSendButton();
870 }
871 }
872 }
873
874 public void updatePgpMessages() {
875 if (keychainUnlock != KEYCHAIN_UNLOCK_PENDING) {
876 if (getLastPgpDecryptableMessage() != null
877 && !conversation.getAccount().getPgpDecryptionService().isRunning()) {
878 keychainUnlock = KEYCHAIN_UNLOCK_REQUIRED;
879 } else {
880 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
881 }
882 }
883 }
884
885 @Nullable
886 private Message getLastPgpDecryptableMessage() {
887 for (final Message message : this.messageList) {
888 if (message.getEncryption() == Message.ENCRYPTION_PGP
889 && (message.getStatus() == Message.STATUS_RECEIVED || message.getStatus() >= Message.STATUS_SEND)
890 && message.getTransferable() == null) {
891 return message;
892 }
893 }
894 return null;
895 }
896
897 private void messageSent() {
898 int size = this.messageList.size();
899 messagesView.setSelection(size - 1);
900 mEditMessage.setText("");
901 updateChatMsgHint();
902 }
903
904 public void setFocusOnInputField() {
905 mEditMessage.requestFocus();
906 }
907
908 enum SendButtonAction {TEXT, TAKE_PHOTO, SEND_LOCATION, RECORD_VOICE, CANCEL, CHOOSE_PICTURE}
909
910 private int getSendButtonImageResource(SendButtonAction action, Presence.Status status) {
911 switch (action) {
912 case TEXT:
913 switch (status) {
914 case CHAT:
915 case ONLINE:
916 return R.drawable.ic_send_text_online;
917 case AWAY:
918 return R.drawable.ic_send_text_away;
919 case XA:
920 case DND:
921 return R.drawable.ic_send_text_dnd;
922 default:
923 return R.drawable.ic_send_text_offline;
924 }
925 case TAKE_PHOTO:
926 switch (status) {
927 case CHAT:
928 case ONLINE:
929 return R.drawable.ic_send_photo_online;
930 case AWAY:
931 return R.drawable.ic_send_photo_away;
932 case XA:
933 case DND:
934 return R.drawable.ic_send_photo_dnd;
935 default:
936 return R.drawable.ic_send_photo_offline;
937 }
938 case RECORD_VOICE:
939 switch (status) {
940 case CHAT:
941 case ONLINE:
942 return R.drawable.ic_send_voice_online;
943 case AWAY:
944 return R.drawable.ic_send_voice_away;
945 case XA:
946 case DND:
947 return R.drawable.ic_send_voice_dnd;
948 default:
949 return R.drawable.ic_send_voice_offline;
950 }
951 case SEND_LOCATION:
952 switch (status) {
953 case CHAT:
954 case ONLINE:
955 return R.drawable.ic_send_location_online;
956 case AWAY:
957 return R.drawable.ic_send_location_away;
958 case XA:
959 case DND:
960 return R.drawable.ic_send_location_dnd;
961 default:
962 return R.drawable.ic_send_location_offline;
963 }
964 case CANCEL:
965 switch (status) {
966 case CHAT:
967 case ONLINE:
968 return R.drawable.ic_send_cancel_online;
969 case AWAY:
970 return R.drawable.ic_send_cancel_away;
971 case XA:
972 case DND:
973 return R.drawable.ic_send_cancel_dnd;
974 default:
975 return R.drawable.ic_send_cancel_offline;
976 }
977 case CHOOSE_PICTURE:
978 switch (status) {
979 case CHAT:
980 case ONLINE:
981 return R.drawable.ic_send_picture_online;
982 case AWAY:
983 return R.drawable.ic_send_picture_away;
984 case XA:
985 case DND:
986 return R.drawable.ic_send_picture_dnd;
987 default:
988 return R.drawable.ic_send_picture_offline;
989 }
990 }
991 return R.drawable.ic_send_text_offline;
992 }
993
994 public void updateSendButton() {
995 final Conversation c = this.conversation;
996 final SendButtonAction action;
997 final Presence.Status status;
998 final String text = this.mEditMessage == null ? "" : this.mEditMessage.getText().toString();
999 final boolean empty = text.length() == 0;
1000 final boolean conference = c.getMode() == Conversation.MODE_MULTI;
1001 if (c.getCorrectingMessage() != null && (empty || text.equals(c.getCorrectingMessage().getBody()))) {
1002 action = SendButtonAction.CANCEL;
1003 } else if (conference && !c.getAccount().httpUploadAvailable()) {
1004 if (empty && c.getNextCounterpart() != null) {
1005 action = SendButtonAction.CANCEL;
1006 } else {
1007 action = SendButtonAction.TEXT;
1008 }
1009 } else {
1010 if (empty) {
1011 if (conference && c.getNextCounterpart() != null) {
1012 action = SendButtonAction.CANCEL;
1013 } else {
1014 String setting = activity.getPreferences().getString("quick_action", "recent");
1015 if (!setting.equals("none") && UIHelper.receivedLocationQuestion(conversation.getLatestMessage())) {
1016 setting = "location";
1017 } else if (setting.equals("recent")) {
1018 setting = activity.getPreferences().getString("recently_used_quick_action", "text");
1019 }
1020 switch (setting) {
1021 case "photo":
1022 action = SendButtonAction.TAKE_PHOTO;
1023 break;
1024 case "location":
1025 action = SendButtonAction.SEND_LOCATION;
1026 break;
1027 case "voice":
1028 action = SendButtonAction.RECORD_VOICE;
1029 break;
1030 case "picture":
1031 action = SendButtonAction.CHOOSE_PICTURE;
1032 break;
1033 default:
1034 action = SendButtonAction.TEXT;
1035 break;
1036 }
1037 }
1038 } else {
1039 action = SendButtonAction.TEXT;
1040 }
1041 }
1042 if (activity.useSendButtonToIndicateStatus() && c != null
1043 && c.getAccount().getStatus() == Account.State.ONLINE) {
1044 if (c.getMode() == Conversation.MODE_SINGLE) {
1045 status = c.getContact().getMostAvailableStatus();
1046 } else {
1047 status = c.getMucOptions().online() ? Presence.Status.ONLINE : Presence.Status.OFFLINE;
1048 }
1049 } else {
1050 status = Presence.Status.OFFLINE;
1051 }
1052 this.mSendButton.setTag(action);
1053 this.mSendButton.setImageResource(getSendButtonImageResource(action, status));
1054 }
1055
1056 protected void updateStatusMessages() {
1057 synchronized (this.messageList) {
1058 final XmppConnection connection = conversation.getAccount().getXmppConnection();
1059 if (conversation.getLastClearHistory() != 0
1060 && connection != null
1061 && connection.getFeatures().mam()) {
1062 this.messageList.add(0, Message.createLoadMoreMessage(conversation));
1063 }
1064 if (conversation.getMode() == Conversation.MODE_SINGLE) {
1065 ChatState state = conversation.getIncomingChatState();
1066 if (state == ChatState.COMPOSING) {
1067 this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_is_typing, conversation.getName())));
1068 } else if (state == ChatState.PAUSED) {
1069 this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_has_stopped_typing, conversation.getName())));
1070 } else {
1071 for (int i = this.messageList.size() - 1; i >= 0; --i) {
1072 if (this.messageList.get(i).getStatus() == Message.STATUS_RECEIVED) {
1073 return;
1074 } else {
1075 if (this.messageList.get(i).getStatus() == Message.STATUS_SEND_DISPLAYED) {
1076 this.messageList.add(i + 1,
1077 Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, conversation.getName())));
1078 return;
1079 }
1080 }
1081 }
1082 }
1083 }
1084 }
1085 }
1086
1087 protected void showSnackbar(final int message, final int action,
1088 final OnClickListener clickListener) {
1089 snackbar.setVisibility(View.VISIBLE);
1090 snackbar.setOnClickListener(null);
1091 snackbarMessage.setText(message);
1092 snackbarMessage.setOnClickListener(null);
1093 snackbarAction.setVisibility(View.VISIBLE);
1094 snackbarAction.setText(action);
1095 snackbarAction.setOnClickListener(clickListener);
1096 }
1097
1098 protected void hideSnackbar() {
1099 snackbar.setVisibility(View.GONE);
1100 }
1101
1102 protected void sendPlainTextMessage(Message message) {
1103 ConversationActivity activity = (ConversationActivity) getActivity();
1104 activity.xmppConnectionService.sendMessage(message);
1105 messageSent();
1106 }
1107
1108 protected void sendPgpMessage(final Message message) {
1109 final ConversationActivity activity = (ConversationActivity) getActivity();
1110 final XmppConnectionService xmppService = activity.xmppConnectionService;
1111 final Contact contact = message.getConversation().getContact();
1112 if (!activity.hasPgp()) {
1113 activity.showInstallPgpDialog();
1114 return;
1115 }
1116 if (conversation.getAccount().getPgpSignature() == null) {
1117 activity.announcePgp(conversation.getAccount(), conversation);
1118 return;
1119 }
1120 if (conversation.getMode() == Conversation.MODE_SINGLE) {
1121 if (contact.getPgpKeyId() != 0) {
1122 xmppService.getPgpEngine().hasKey(contact,
1123 new UiCallback<Contact>() {
1124
1125 @Override
1126 public void userInputRequried(PendingIntent pi,
1127 Contact contact) {
1128 activity.runIntent(
1129 pi,
1130 ConversationActivity.REQUEST_ENCRYPT_MESSAGE);
1131 }
1132
1133 @Override
1134 public void success(Contact contact) {
1135 messageSent();
1136 activity.encryptTextMessage(message);
1137 }
1138
1139 @Override
1140 public void error(int error, Contact contact) {
1141 System.out.println();
1142 }
1143 });
1144
1145 } else {
1146 showNoPGPKeyDialog(false,
1147 new DialogInterface.OnClickListener() {
1148
1149 @Override
1150 public void onClick(DialogInterface dialog,
1151 int which) {
1152 conversation
1153 .setNextEncryption(Message.ENCRYPTION_NONE);
1154 xmppService.databaseBackend
1155 .updateConversation(conversation);
1156 message.setEncryption(Message.ENCRYPTION_NONE);
1157 xmppService.sendMessage(message);
1158 messageSent();
1159 }
1160 });
1161 }
1162 } else {
1163 if (conversation.getMucOptions().pgpKeysInUse()) {
1164 if (!conversation.getMucOptions().everybodyHasKeys()) {
1165 Toast warning = Toast
1166 .makeText(getActivity(),
1167 R.string.missing_public_keys,
1168 Toast.LENGTH_LONG);
1169 warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
1170 warning.show();
1171 }
1172 activity.encryptTextMessage(message);
1173 messageSent();
1174 } else {
1175 showNoPGPKeyDialog(true,
1176 new DialogInterface.OnClickListener() {
1177
1178 @Override
1179 public void onClick(DialogInterface dialog,
1180 int which) {
1181 conversation
1182 .setNextEncryption(Message.ENCRYPTION_NONE);
1183 message.setEncryption(Message.ENCRYPTION_NONE);
1184 xmppService.databaseBackend
1185 .updateConversation(conversation);
1186 xmppService.sendMessage(message);
1187 messageSent();
1188 }
1189 });
1190 }
1191 }
1192 }
1193
1194 public void showNoPGPKeyDialog(boolean plural,
1195 DialogInterface.OnClickListener listener) {
1196 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1197 builder.setIconAttribute(android.R.attr.alertDialogIcon);
1198 if (plural) {
1199 builder.setTitle(getString(R.string.no_pgp_keys));
1200 builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
1201 } else {
1202 builder.setTitle(getString(R.string.no_pgp_key));
1203 builder.setMessage(getText(R.string.contact_has_no_pgp_key));
1204 }
1205 builder.setNegativeButton(getString(R.string.cancel), null);
1206 builder.setPositiveButton(getString(R.string.send_unencrypted),
1207 listener);
1208 builder.create().show();
1209 }
1210
1211 protected void sendAxolotlMessage(final Message message) {
1212 final ConversationActivity activity = (ConversationActivity) getActivity();
1213 final XmppConnectionService xmppService = activity.xmppConnectionService;
1214 xmppService.sendMessage(message);
1215 messageSent();
1216 }
1217
1218 protected void sendOtrMessage(final Message message) {
1219 final ConversationActivity activity = (ConversationActivity) getActivity();
1220 final XmppConnectionService xmppService = activity.xmppConnectionService;
1221 activity.selectPresence(message.getConversation(),
1222 new OnPresenceSelected() {
1223
1224 @Override
1225 public void onPresenceSelected() {
1226 message.setCounterpart(conversation.getNextCounterpart());
1227 xmppService.sendMessage(message);
1228 messageSent();
1229 }
1230 });
1231 }
1232
1233 public void appendText(String text) {
1234 if (text == null) {
1235 return;
1236 }
1237 String previous = this.mEditMessage.getText().toString();
1238 if (previous.length() != 0 && !previous.endsWith(" ")) {
1239 text = " " + text;
1240 }
1241 this.mEditMessage.append(text);
1242 }
1243
1244 @Override
1245 public boolean onEnterPressed() {
1246 if (activity.enterIsSend()) {
1247 sendMessage();
1248 return true;
1249 } else {
1250 return false;
1251 }
1252 }
1253
1254 @Override
1255 public void onTypingStarted() {
1256 Account.State status = conversation.getAccount().getStatus();
1257 if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
1258 activity.xmppConnectionService.sendChatState(conversation);
1259 }
1260 activity.hideConversationsOverview();
1261 updateSendButton();
1262 }
1263
1264 @Override
1265 public void onTypingStopped() {
1266 Account.State status = conversation.getAccount().getStatus();
1267 if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
1268 activity.xmppConnectionService.sendChatState(conversation);
1269 }
1270 }
1271
1272 @Override
1273 public void onTextDeleted() {
1274 Account.State status = conversation.getAccount().getStatus();
1275 if (status == Account.State.ONLINE && conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1276 activity.xmppConnectionService.sendChatState(conversation);
1277 }
1278 updateSendButton();
1279 }
1280
1281 @Override
1282 public void onTextChanged() {
1283 if (conversation != null && conversation.getCorrectingMessage() != null) {
1284 updateSendButton();
1285 }
1286 }
1287
1288 private int completionIndex = 0;
1289 private int lastCompletionLength = 0;
1290 private String incomplete;
1291 private int lastCompletionCursor;
1292 private boolean firstWord = false;
1293
1294 @Override
1295 public boolean onTabPressed(boolean repeated) {
1296 if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
1297 return false;
1298 }
1299 if (repeated) {
1300 completionIndex++;
1301 } else {
1302 lastCompletionLength = 0;
1303 completionIndex = 0;
1304 final String content = mEditMessage.getText().toString();
1305 lastCompletionCursor = mEditMessage.getSelectionEnd();
1306 int start = lastCompletionCursor > 0 ? content.lastIndexOf(" ",lastCompletionCursor-1) + 1 : 0;
1307 firstWord = start == 0;
1308 incomplete = content.substring(start,lastCompletionCursor);
1309 }
1310 List<String> completions = new ArrayList<>();
1311 for(MucOptions.User user : conversation.getMucOptions().getUsers()) {
1312 if (user.getName().startsWith(incomplete)) {
1313 completions.add(user.getName()+(firstWord ? ": " : " "));
1314 }
1315 }
1316 Collections.sort(completions);
1317 if (completions.size() > completionIndex) {
1318 String completion = completions.get(completionIndex).substring(incomplete.length());
1319 mEditMessage.getEditableText().delete(lastCompletionCursor,lastCompletionCursor + lastCompletionLength);
1320 mEditMessage.getEditableText().insert(lastCompletionCursor, completion);
1321 lastCompletionLength = completion.length();
1322 } else {
1323 completionIndex = -1;
1324 mEditMessage.getEditableText().delete(lastCompletionCursor,lastCompletionCursor + lastCompletionLength);
1325 lastCompletionLength = 0;
1326 }
1327 return true;
1328 }
1329
1330 @Override
1331 public void onActivityResult(int requestCode, int resultCode,
1332 final Intent data) {
1333 if (resultCode == Activity.RESULT_OK) {
1334 if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1335 activity.getSelectedConversation().getAccount().getPgpDecryptionService().onKeychainUnlocked();
1336 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
1337 updatePgpMessages();
1338 } else if (requestCode == ConversationActivity.REQUEST_TRUST_KEYS_TEXT) {
1339 final String body = mEditMessage.getText().toString();
1340 Message message = new Message(conversation, body, conversation.getNextEncryption());
1341 sendAxolotlMessage(message);
1342 } else if (requestCode == ConversationActivity.REQUEST_TRUST_KEYS_MENU) {
1343 int choice = data.getIntExtra("choice", ConversationActivity.ATTACHMENT_CHOICE_INVALID);
1344 activity.selectPresenceToAttachFile(choice, conversation.getNextEncryption());
1345 }
1346 } else {
1347 if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1348 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
1349 updatePgpMessages();
1350 }
1351 }
1352 }
1353
1354}