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.MessageArchiveService;
57import eu.siacs.conversations.services.XmppConnectionService;
58import eu.siacs.conversations.ui.XmppActivity.OnPresenceSelected;
59import eu.siacs.conversations.ui.XmppActivity.OnValueEdited;
60import eu.siacs.conversations.ui.adapter.MessageAdapter;
61import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureClicked;
62import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureLongClicked;
63import eu.siacs.conversations.utils.GeoHelper;
64import eu.siacs.conversations.utils.UIHelper;
65import eu.siacs.conversations.xmpp.XmppConnection;
66import eu.siacs.conversations.xmpp.chatstate.ChatState;
67import eu.siacs.conversations.xmpp.jid.Jid;
68
69public class ConversationFragment extends Fragment implements EditMessage.KeyboardListener {
70
71 protected Conversation conversation;
72 private OnClickListener leaveMuc = new OnClickListener() {
73
74 @Override
75 public void onClick(View v) {
76 activity.endConversation(conversation);
77 }
78 };
79 private OnClickListener joinMuc = new OnClickListener() {
80
81 @Override
82 public void onClick(View v) {
83 activity.xmppConnectionService.joinMuc(conversation);
84 }
85 };
86 private OnClickListener enterPassword = new OnClickListener() {
87
88 @Override
89 public void onClick(View v) {
90 MucOptions muc = conversation.getMucOptions();
91 String password = muc.getPassword();
92 if (password == null) {
93 password = "";
94 }
95 activity.quickPasswordEdit(password, new OnValueEdited() {
96
97 @Override
98 public void onValueEdited(String value) {
99 activity.xmppConnectionService.providePasswordForMuc(
100 conversation, value);
101 }
102 });
103 }
104 };
105 protected ListView messagesView;
106 final protected List<Message> messageList = new ArrayList<>();
107 protected MessageAdapter messageListAdapter;
108 private EditMessage mEditMessage;
109 private ImageButton mSendButton;
110 private RelativeLayout snackbar;
111 private TextView snackbarMessage;
112 private TextView snackbarAction;
113 private boolean messagesLoaded = true;
114 private Toast messageLoaderToast;
115
116 private OnScrollListener mOnScrollListener = new OnScrollListener() {
117
118 @Override
119 public void onScrollStateChanged(AbsListView view, int scrollState) {
120 // TODO Auto-generated method stub
121
122 }
123
124 private int getIndexOf(String uuid, List<Message> messages) {
125 if (uuid == null) {
126 return 0;
127 }
128 for(int i = 0; i < messages.size(); ++i) {
129 if (uuid.equals(messages.get(i).getUuid())) {
130 return i;
131 } else {
132 Message next = messages.get(i);
133 while(next != null && next.wasMergedIntoPrevious()) {
134 if (uuid.equals(next.getUuid())) {
135 return i;
136 }
137 next = next.next();
138 }
139
140 }
141 }
142 return 0;
143 }
144
145 @Override
146 public void onScroll(AbsListView view, int firstVisibleItem,
147 int visibleItemCount, int totalItemCount) {
148 synchronized (ConversationFragment.this.messageList) {
149 if (firstVisibleItem < 5 && messagesLoaded && messageList.size() > 0) {
150 long timestamp;
151 if (messageList.get(0).getType() == Message.TYPE_STATUS && messageList.size() >= 2) {
152 timestamp = messageList.get(1).getTimeSent();
153 } else {
154 timestamp = messageList.get(0).getTimeSent();
155 }
156 messagesLoaded = false;
157 activity.xmppConnectionService.loadMoreMessages(conversation, timestamp, new XmppConnectionService.OnMoreMessagesLoaded() {
158 @Override
159 public void onMoreMessagesLoaded(final int c, Conversation conversation) {
160 if (ConversationFragment.this.conversation != conversation) {
161 return;
162 }
163 activity.runOnUiThread(new Runnable() {
164 @Override
165 public void run() {
166 final int oldPosition = messagesView.getFirstVisiblePosition();
167 Message message = messageList.get(oldPosition);
168 String uuid = message != null ? message.getUuid() : null;
169 View v = messagesView.getChildAt(0);
170 final int pxOffset = (v == null) ? 0 : v.getTop();
171 ConversationFragment.this.conversation.populateWithMessages(ConversationFragment.this.messageList);
172 updateStatusMessages();
173 messageListAdapter.notifyDataSetChanged();
174 int pos = getIndexOf(uuid,messageList);
175 messagesView.setSelectionFromTop(pos, pxOffset);
176 messagesLoaded = true;
177 if (messageLoaderToast != null) {
178 messageLoaderToast.cancel();
179 }
180 }
181 });
182 }
183
184 @Override
185 public void informUser(final int resId) {
186
187 activity.runOnUiThread(new Runnable() {
188 @Override
189 public void run() {
190 if (messageLoaderToast != null) {
191 messageLoaderToast.cancel();
192 }
193 if (ConversationFragment.this.conversation != conversation) {
194 return;
195 }
196 messageLoaderToast = Toast.makeText(activity, resId, Toast.LENGTH_LONG);
197 messageLoaderToast.show();
198 }
199 });
200
201 }
202 });
203
204 }
205 }
206 }
207 };
208 private final int KEYCHAIN_UNLOCK_NOT_REQUIRED = 0;
209 private final int KEYCHAIN_UNLOCK_REQUIRED = 1;
210 private final int KEYCHAIN_UNLOCK_PENDING = 2;
211 private int keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
212 protected OnClickListener clickToDecryptListener = new OnClickListener() {
213
214 @Override
215 public void onClick(View v) {
216 if (keychainUnlock == KEYCHAIN_UNLOCK_REQUIRED
217 && activity.hasPgp() && !conversation.getAccount().getPgpDecryptionService().isRunning()) {
218 keychainUnlock = KEYCHAIN_UNLOCK_PENDING;
219 updateSnackBar(conversation);
220 Message message = getLastPgpDecryptableMessage();
221 if (message != null) {
222 activity.xmppConnectionService.getPgpEngine().decrypt(message, new UiCallback<Message>() {
223 @Override
224 public void success(Message object) {
225 conversation.getAccount().getPgpDecryptionService().onKeychainUnlocked();
226 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
227 }
228
229 @Override
230 public void error(int errorCode, Message object) {
231 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
232 }
233
234 @Override
235 public void userInputRequried(PendingIntent pi, Message object) {
236 try {
237 activity.startIntentSenderForResult(pi.getIntentSender(),
238 ConversationActivity.REQUEST_DECRYPT_PGP, null, 0, 0, 0);
239 } catch (SendIntentException e) {
240 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
241 updatePgpMessages();
242 }
243 }
244 });
245 }
246 } else {
247 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
248 updatePgpMessages();
249 }
250 }
251 };
252 protected OnClickListener clickToVerify = new OnClickListener() {
253
254 @Override
255 public void onClick(View v) {
256 activity.verifyOtrSessionDialog(conversation, v);
257 }
258 };
259 private OnEditorActionListener mEditorActionListener = new OnEditorActionListener() {
260
261 @Override
262 public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
263 if (actionId == EditorInfo.IME_ACTION_SEND) {
264 InputMethodManager imm = (InputMethodManager) v.getContext()
265 .getSystemService(Context.INPUT_METHOD_SERVICE);
266 if (imm.isFullscreenMode()) {
267 imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
268 }
269 sendMessage();
270 return true;
271 } else {
272 return false;
273 }
274 }
275 };
276 private OnClickListener mSendButtonListener = new OnClickListener() {
277
278 @Override
279 public void onClick(View v) {
280 Object tag = v.getTag();
281 if (tag instanceof SendButtonAction) {
282 SendButtonAction action = (SendButtonAction) tag;
283 switch (action) {
284 case TAKE_PHOTO:
285 activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_TAKE_PHOTO);
286 break;
287 case SEND_LOCATION:
288 activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_LOCATION);
289 break;
290 case RECORD_VOICE:
291 activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_RECORD_VOICE);
292 break;
293 case CHOOSE_PICTURE:
294 activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_CHOOSE_IMAGE);
295 break;
296 case CANCEL:
297 if (conversation != null) {
298 if (conversation.getCorrectingMessage() != null) {
299 conversation.setCorrectingMessage(null);
300 mEditMessage.getEditableText().clear();
301 }
302 if (conversation.getMode() == Conversation.MODE_MULTI) {
303 conversation.setNextCounterpart(null);
304 }
305 updateChatMsgHint();
306 updateSendButton();
307 }
308 break;
309 default:
310 sendMessage();
311 }
312 } else {
313 sendMessage();
314 }
315 }
316 };
317 private OnClickListener clickToMuc = new OnClickListener() {
318
319 @Override
320 public void onClick(View v) {
321 Intent intent = new Intent(getActivity(), ConferenceDetailsActivity.class);
322 intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
323 intent.putExtra("uuid", conversation.getUuid());
324 startActivity(intent);
325 }
326 };
327 private ConversationActivity activity;
328 private Message selectedMessage;
329
330 public void setMessagesLoaded() {
331 this.messagesLoaded = true;
332 }
333
334 private void sendMessage() {
335 final String body = mEditMessage.getText().toString();
336 if (body.length() == 0 || this.conversation == null) {
337 return;
338 }
339 final Message message;
340 if (conversation.getCorrectingMessage() == null) {
341 message = new Message(conversation, body, conversation.getNextEncryption());
342 if (conversation.getMode() == Conversation.MODE_MULTI) {
343 if (conversation.getNextCounterpart() != null) {
344 message.setCounterpart(conversation.getNextCounterpart());
345 message.setType(Message.TYPE_PRIVATE);
346 }
347 }
348 } else {
349 message = conversation.getCorrectingMessage();
350 message.setBody(body);
351 message.setEdited(message.getUuid());
352 message.setUuid(UUID.randomUUID().toString());
353 conversation.setCorrectingMessage(null);
354 }
355 switch (conversation.getNextEncryption()) {
356 case Message.ENCRYPTION_OTR:
357 sendOtrMessage(message);
358 break;
359 case Message.ENCRYPTION_PGP:
360 sendPgpMessage(message);
361 break;
362 case Message.ENCRYPTION_AXOLOTL:
363 if(!activity.trustKeysIfNeeded(ConversationActivity.REQUEST_TRUST_KEYS_TEXT)) {
364 sendAxolotlMessage(message);
365 }
366 break;
367 default:
368 sendPlainTextMessage(message);
369 }
370 }
371
372 public void updateChatMsgHint() {
373 final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
374 if (conversation.getCorrectingMessage() != null) {
375 this.mEditMessage.setHint(R.string.send_corrected_message);
376 } else if (multi && conversation.getNextCounterpart() != null) {
377 this.mEditMessage.setHint(getString(
378 R.string.send_private_message_to,
379 conversation.getNextCounterpart().getResourcepart()));
380 } else if (multi && !conversation.getMucOptions().participating()) {
381 this.mEditMessage.setHint(R.string.you_are_not_participating);
382 } else {
383 switch (conversation.getNextEncryption()) {
384 case Message.ENCRYPTION_NONE:
385 mEditMessage
386 .setHint(getString(R.string.send_unencrypted_message));
387 break;
388 case Message.ENCRYPTION_OTR:
389 mEditMessage.setHint(getString(R.string.send_otr_message));
390 break;
391 case Message.ENCRYPTION_AXOLOTL:
392 AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
393 if (axolotlService != null && axolotlService.trustedSessionVerified(conversation)) {
394 mEditMessage.setHint(getString(R.string.send_omemo_x509_message));
395 } else {
396 mEditMessage.setHint(getString(R.string.send_omemo_message));
397 }
398 break;
399 case Message.ENCRYPTION_PGP:
400 mEditMessage.setHint(getString(R.string.send_pgp_message));
401 break;
402 default:
403 break;
404 }
405 getActivity().invalidateOptionsMenu();
406 }
407 }
408
409 public void setupIme() {
410 if (activity == null) {
411 return;
412 } else if (activity.usingEnterKey() && activity.enterIsSend()) {
413 mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_FLAG_MULTI_LINE));
414 mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
415 } else if (activity.usingEnterKey()) {
416 mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE);
417 mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
418 } else {
419 mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE);
420 mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE);
421 }
422 }
423
424 @Override
425 public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
426 final View view = inflater.inflate(R.layout.fragment_conversation, container, false);
427 view.setOnClickListener(null);
428 mEditMessage = (EditMessage) view.findViewById(R.id.textinput);
429 mEditMessage.setOnClickListener(new OnClickListener() {
430
431 @Override
432 public void onClick(View v) {
433 if (activity != null) {
434 activity.hideConversationsOverview();
435 }
436 }
437 });
438 mEditMessage.setOnEditorActionListener(mEditorActionListener);
439
440 mSendButton = (ImageButton) view.findViewById(R.id.textSendButton);
441 mSendButton.setOnClickListener(this.mSendButtonListener);
442
443 snackbar = (RelativeLayout) view.findViewById(R.id.snackbar);
444 snackbarMessage = (TextView) view.findViewById(R.id.snackbar_message);
445 snackbarAction = (TextView) view.findViewById(R.id.snackbar_action);
446
447 messagesView = (ListView) view.findViewById(R.id.messages_view);
448 messagesView.setOnScrollListener(mOnScrollListener);
449 messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
450 messageListAdapter = new MessageAdapter((ConversationActivity) getActivity(), this.messageList);
451 messageListAdapter.setOnContactPictureClicked(new OnContactPictureClicked() {
452
453 @Override
454 public void onContactPictureClicked(Message message) {
455 if (message.getStatus() <= Message.STATUS_RECEIVED) {
456 if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
457 if (message.getCounterpart() != null) {
458 String user = message.getCounterpart().isBareJid() ? message.getCounterpart().toString() : message.getCounterpart().getResourcepart();
459 if (!message.getConversation().getMucOptions().isUserInRoom(user)) {
460 Toast.makeText(activity,activity.getString(R.string.user_has_left_conference,user),Toast.LENGTH_SHORT).show();
461 }
462 highlightInConference(user);
463 }
464 } else {
465 activity.switchToContactDetails(message.getContact(), message.getAxolotlFingerprint());
466 }
467 } else {
468 Account account = message.getConversation().getAccount();
469 Intent intent = new Intent(activity, EditAccountActivity.class);
470 intent.putExtra("jid", account.getJid().toBareJid().toString());
471 intent.putExtra("fingerprint", message.getAxolotlFingerprint());
472 startActivity(intent);
473 }
474 }
475 });
476 messageListAdapter
477 .setOnContactPictureLongClicked(new OnContactPictureLongClicked() {
478
479 @Override
480 public void onContactPictureLongClicked(Message message) {
481 if (message.getStatus() <= Message.STATUS_RECEIVED) {
482 if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
483 if (message.getCounterpart() != null) {
484 String user = message.getCounterpart().getResourcepart();
485 if (user != null) {
486 if (message.getConversation().getMucOptions().isUserInRoom(user)) {
487 privateMessageWith(message.getCounterpart());
488 } else {
489 Toast.makeText(activity, activity.getString(R.string.user_has_left_conference, user), Toast.LENGTH_SHORT).show();
490 }
491 }
492 }
493 }
494 } else {
495 activity.showQrCode();
496 }
497 }
498 });
499 messagesView.setAdapter(messageListAdapter);
500
501 registerForContextMenu(messagesView);
502
503 return view;
504 }
505
506 @Override
507 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
508 synchronized (this.messageList) {
509 super.onCreateContextMenu(menu, v, menuInfo);
510 AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
511 this.selectedMessage = this.messageList.get(acmi.position);
512 populateContextMenu(menu);
513 }
514 }
515
516 private void populateContextMenu(ContextMenu menu) {
517 final Message m = this.selectedMessage;
518 Message relevantForCorrection = m;
519 while(relevantForCorrection.mergeable(relevantForCorrection.next())) {
520 relevantForCorrection = relevantForCorrection.next();
521 }
522 if (m.getType() != Message.TYPE_STATUS) {
523 activity.getMenuInflater().inflate(R.menu.message_context, menu);
524 menu.setHeaderTitle(R.string.message_options);
525 MenuItem copyText = menu.findItem(R.id.copy_text);
526 MenuItem correctMessage = menu.findItem(R.id.correct_message);
527 MenuItem shareWith = menu.findItem(R.id.share_with);
528 MenuItem sendAgain = menu.findItem(R.id.send_again);
529 MenuItem copyUrl = menu.findItem(R.id.copy_url);
530 MenuItem downloadFile = menu.findItem(R.id.download_file);
531 MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
532 if ((m.getType() == Message.TYPE_TEXT || m.getType() == Message.TYPE_PRIVATE)
533 && m.getTransferable() == null
534 && !GeoHelper.isGeoUri(m.getBody())
535 && m.treatAsDownloadable() != Message.Decision.MUST) {
536 copyText.setVisible(true);
537 }
538 if (relevantForCorrection.getType() == Message.TYPE_TEXT
539 && relevantForCorrection.isLastCorrectableMessage()) {
540 correctMessage.setVisible(true);
541 }
542 if ((m.getType() != Message.TYPE_TEXT
543 && m.getType() != Message.TYPE_PRIVATE
544 && m.getTransferable() == null)
545 || (GeoHelper.isGeoUri(m.getBody()))) {
546 shareWith.setVisible(true);
547 }
548 if (m.getStatus() == Message.STATUS_SEND_FAILED) {
549 sendAgain.setVisible(true);
550 }
551 if (m.hasFileOnRemoteHost()
552 || GeoHelper.isGeoUri(m.getBody())
553 || m.treatAsDownloadable() == Message.Decision.MUST) {
554 copyUrl.setVisible(true);
555 }
556 if ((m.getType() == Message.TYPE_TEXT && m.getTransferable() == null && m.treatAsDownloadable() != Message.Decision.NEVER)
557 || (m.isFileOrImage() && m.getTransferable() instanceof TransferablePlaceholder && m.hasFileOnRemoteHost())){
558 downloadFile.setVisible(true);
559 downloadFile.setTitle(activity.getString(R.string.download_x_file,UIHelper.getFileDescriptionString(activity, m)));
560 }
561 if ((m.getTransferable() != null && !(m.getTransferable() instanceof TransferablePlaceholder))
562 || (m.isFileOrImage() && (m.getStatus() == Message.STATUS_WAITING
563 || m.getStatus() == Message.STATUS_OFFERED))) {
564 cancelTransmission.setVisible(true);
565 }
566 }
567 }
568
569 @Override
570 public boolean onContextItemSelected(MenuItem item) {
571 switch (item.getItemId()) {
572 case R.id.share_with:
573 shareWith(selectedMessage);
574 return true;
575 case R.id.copy_text:
576 copyText(selectedMessage);
577 return true;
578 case R.id.correct_message:
579 correctMessage(selectedMessage);
580 return true;
581 case R.id.send_again:
582 resendMessage(selectedMessage);
583 return true;
584 case R.id.copy_url:
585 copyUrl(selectedMessage);
586 return true;
587 case R.id.download_file:
588 downloadFile(selectedMessage);
589 return true;
590 case R.id.cancel_transmission:
591 cancelTransmission(selectedMessage);
592 return true;
593 default:
594 return super.onContextItemSelected(item);
595 }
596 }
597
598 private void shareWith(Message message) {
599 Intent shareIntent = new Intent();
600 shareIntent.setAction(Intent.ACTION_SEND);
601 if (GeoHelper.isGeoUri(message.getBody())) {
602 shareIntent.putExtra(Intent.EXTRA_TEXT, message.getBody());
603 shareIntent.setType("text/plain");
604 } else {
605 shareIntent.putExtra(Intent.EXTRA_STREAM,
606 activity.xmppConnectionService.getFileBackend()
607 .getJingleFileUri(message));
608 shareIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
609 String mime = message.getMimeType();
610 if (mime == null) {
611 mime = "*/*";
612 }
613 shareIntent.setType(mime);
614 }
615 try {
616 activity.startActivity(Intent.createChooser(shareIntent, getText(R.string.share_with)));
617 } catch (ActivityNotFoundException e) {
618 //This should happen only on faulty androids because normally chooser is always available
619 Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
620 }
621 }
622
623 private void copyText(Message message) {
624 if (activity.copyTextToClipboard(message.getMergedBody(),
625 R.string.message_text)) {
626 Toast.makeText(activity, R.string.message_copied_to_clipboard,
627 Toast.LENGTH_SHORT).show();
628 }
629 }
630
631 private void resendMessage(Message message) {
632 if (message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) {
633 DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
634 if (!file.exists()) {
635 Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
636 message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
637 return;
638 }
639 }
640 activity.xmppConnectionService.resendFailedMessages(message);
641 }
642
643 private void copyUrl(Message message) {
644 final String url;
645 final int resId;
646 if (GeoHelper.isGeoUri(message.getBody())) {
647 resId = R.string.location;
648 url = message.getBody();
649 } else if (message.hasFileOnRemoteHost()) {
650 resId = R.string.file_url;
651 url = message.getFileParams().url.toString();
652 } else {
653 url = message.getBody().trim();
654 resId = R.string.file_url;
655 }
656 if (activity.copyTextToClipboard(url, resId)) {
657 Toast.makeText(activity, R.string.url_copied_to_clipboard,
658 Toast.LENGTH_SHORT).show();
659 }
660 }
661
662 private void downloadFile(Message message) {
663 activity.xmppConnectionService.getHttpConnectionManager()
664 .createNewDownloadConnection(message,true);
665 }
666
667 private void cancelTransmission(Message message) {
668 Transferable transferable = message.getTransferable();
669 if (transferable != null) {
670 transferable.cancel();
671 } else {
672 activity.xmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED);
673 }
674 }
675
676 protected void privateMessageWith(final Jid counterpart) {
677 this.mEditMessage.setText("");
678 this.conversation.setNextCounterpart(counterpart);
679 updateChatMsgHint();
680 updateSendButton();
681 }
682
683 private void correctMessage(Message message) {
684 while(message.mergeable(message.next())) {
685 message = message.next();
686 }
687 this.conversation.setCorrectingMessage(message);
688 this.mEditMessage.getEditableText().clear();
689 this.mEditMessage.getEditableText().append(message.getBody());
690
691 }
692
693 protected void highlightInConference(String nick) {
694 String oldString = mEditMessage.getText().toString().trim();
695 if (oldString.isEmpty() || mEditMessage.getSelectionStart() == 0) {
696 mEditMessage.getText().insert(0, nick + ": ");
697 } else {
698 if (mEditMessage.getText().charAt(
699 mEditMessage.getSelectionStart() - 1) != ' ') {
700 nick = " " + nick;
701 }
702 mEditMessage.getText().insert(mEditMessage.getSelectionStart(),
703 nick + " ");
704 }
705 }
706
707 @Override
708 public void onStop() {
709 super.onStop();
710 if (this.conversation != null) {
711 final String msg = mEditMessage.getText().toString();
712 this.conversation.setNextMessage(msg);
713 updateChatState(this.conversation, msg);
714 }
715 }
716
717 private void updateChatState(final Conversation conversation, final String msg) {
718 ChatState state = msg.length() == 0 ? Config.DEFAULT_CHATSTATE : ChatState.PAUSED;
719 Account.State status = conversation.getAccount().getStatus();
720 if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
721 activity.xmppConnectionService.sendChatState(conversation);
722 }
723 }
724
725 public void reInit(Conversation conversation) {
726 if (conversation == null) {
727 return;
728 }
729 this.activity = (ConversationActivity) getActivity();
730 setupIme();
731 if (this.conversation != null) {
732 final String msg = mEditMessage.getText().toString();
733 this.conversation.setNextMessage(msg);
734 if (this.conversation != conversation) {
735 updateChatState(this.conversation, msg);
736 }
737 this.conversation.trim();
738 }
739
740 this.keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
741 this.conversation = conversation;
742 boolean canWrite = this.conversation.getMode() == Conversation.MODE_SINGLE || this.conversation.getMucOptions().participating();
743 this.mEditMessage.setEnabled(canWrite);
744 this.mSendButton.setEnabled(canWrite);
745 this.mEditMessage.setKeyboardListener(null);
746 this.mEditMessage.setText("");
747 this.mEditMessage.append(this.conversation.getNextMessage());
748 this.mEditMessage.setKeyboardListener(this);
749 messageListAdapter.updatePreferences();
750 this.messagesView.setAdapter(messageListAdapter);
751 updateMessages();
752 this.messagesLoaded = true;
753 int size = this.messageList.size();
754 if (size > 0) {
755 messagesView.setSelection(size - 1);
756 }
757 }
758
759 private OnClickListener mUnblockClickListener = new OnClickListener() {
760 @Override
761 public void onClick(final View v) {
762 v.post(new Runnable() {
763 @Override
764 public void run() {
765 v.setVisibility(View.INVISIBLE);
766 }
767 });
768 if (conversation.isDomainBlocked()) {
769 BlockContactDialog.show(activity, activity.xmppConnectionService, conversation);
770 } else {
771 activity.unblockConversation(conversation);
772 }
773 }
774 };
775
776 private OnClickListener mAddBackClickListener = new OnClickListener() {
777
778 @Override
779 public void onClick(View v) {
780 final Contact contact = conversation == null ? null : conversation.getContact();
781 if (contact != null) {
782 activity.xmppConnectionService.createContact(contact);
783 activity.switchToContactDetails(contact);
784 }
785 }
786 };
787
788 private OnClickListener mAnswerSmpClickListener = new OnClickListener() {
789 @Override
790 public void onClick(View view) {
791 Intent intent = new Intent(activity, VerifyOTRActivity.class);
792 intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
793 intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
794 intent.putExtra(VerifyOTRActivity.EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
795 intent.putExtra("mode", VerifyOTRActivity.MODE_ANSWER_QUESTION);
796 startActivity(intent);
797 }
798 };
799
800 private void updateSnackBar(final Conversation conversation) {
801 final Account account = conversation.getAccount();
802 final Contact contact = conversation.getContact();
803 final int mode = conversation.getMode();
804 if (conversation.isBlocked()) {
805 showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
806 } else if (!contact.showInRoster() && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
807 showSnackbar(R.string.contact_added_you, R.string.add_back, this.mAddBackClickListener);
808 } else if (mode == Conversation.MODE_MULTI
809 && !conversation.getMucOptions().online()
810 && account.getStatus() == Account.State.ONLINE) {
811 switch (conversation.getMucOptions().getError()) {
812 case NICK_IN_USE:
813 showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
814 break;
815 case NO_RESPONSE:
816 showSnackbar(R.string.joining_conference, 0, null);
817 break;
818 case PASSWORD_REQUIRED:
819 showSnackbar(R.string.conference_requires_password, R.string.enter_password, enterPassword);
820 break;
821 case BANNED:
822 showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
823 break;
824 case MEMBERS_ONLY:
825 showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
826 break;
827 case KICKED:
828 showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
829 break;
830 case UNKNOWN:
831 showSnackbar(R.string.conference_unknown_error, R.string.join, joinMuc);
832 break;
833 case SHUTDOWN:
834 showSnackbar(R.string.conference_shutdown, R.string.join, joinMuc);
835 break;
836 default:
837 break;
838 }
839 } else if (keychainUnlock == KEYCHAIN_UNLOCK_REQUIRED) {
840 showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
841 } else if (mode == Conversation.MODE_SINGLE
842 && conversation.smpRequested()) {
843 showSnackbar(R.string.smp_requested, R.string.verify, this.mAnswerSmpClickListener);
844 } else if (mode == Conversation.MODE_SINGLE
845 && conversation.hasValidOtrSession()
846 && (conversation.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED)
847 && (!conversation.isOtrFingerprintVerified())) {
848 showSnackbar(R.string.unknown_otr_fingerprint, R.string.verify, clickToVerify);
849 } else {
850 hideSnackbar();
851 }
852 }
853
854 public void updateMessages() {
855 synchronized (this.messageList) {
856 if (getView() == null) {
857 return;
858 }
859 final ConversationActivity activity = (ConversationActivity) getActivity();
860 if (this.conversation != null) {
861 conversation.populateWithMessages(ConversationFragment.this.messageList);
862 updatePgpMessages();
863 updateSnackBar(conversation);
864 updateStatusMessages();
865 this.messageListAdapter.notifyDataSetChanged();
866 updateChatMsgHint();
867 if (!activity.isConversationsOverviewVisable() || !activity.isConversationsOverviewHideable()) {
868 activity.sendReadMarkerIfNecessary(conversation);
869 }
870 this.updateSendButton();
871 }
872 }
873 }
874
875 public void updatePgpMessages() {
876 if (keychainUnlock != KEYCHAIN_UNLOCK_PENDING) {
877 if (getLastPgpDecryptableMessage() != null
878 && !conversation.getAccount().getPgpDecryptionService().isRunning()) {
879 keychainUnlock = KEYCHAIN_UNLOCK_REQUIRED;
880 } else {
881 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
882 }
883 }
884 }
885
886 @Nullable
887 private Message getLastPgpDecryptableMessage() {
888 for (final Message message : this.messageList) {
889 if (message.getEncryption() == Message.ENCRYPTION_PGP
890 && (message.getStatus() == Message.STATUS_RECEIVED || message.getStatus() >= Message.STATUS_SEND)
891 && message.getTransferable() == null) {
892 return message;
893 }
894 }
895 return null;
896 }
897
898 private void messageSent() {
899 int size = this.messageList.size();
900 messagesView.setSelection(size - 1);
901 mEditMessage.setText("");
902 updateChatMsgHint();
903 }
904
905 public void setFocusOnInputField() {
906 mEditMessage.requestFocus();
907 }
908
909 enum SendButtonAction {TEXT, TAKE_PHOTO, SEND_LOCATION, RECORD_VOICE, CANCEL, CHOOSE_PICTURE}
910
911 private int getSendButtonImageResource(SendButtonAction action, Presence.Status status) {
912 switch (action) {
913 case TEXT:
914 switch (status) {
915 case CHAT:
916 case ONLINE:
917 return R.drawable.ic_send_text_online;
918 case AWAY:
919 return R.drawable.ic_send_text_away;
920 case XA:
921 case DND:
922 return R.drawable.ic_send_text_dnd;
923 default:
924 return R.drawable.ic_send_text_offline;
925 }
926 case TAKE_PHOTO:
927 switch (status) {
928 case CHAT:
929 case ONLINE:
930 return R.drawable.ic_send_photo_online;
931 case AWAY:
932 return R.drawable.ic_send_photo_away;
933 case XA:
934 case DND:
935 return R.drawable.ic_send_photo_dnd;
936 default:
937 return R.drawable.ic_send_photo_offline;
938 }
939 case RECORD_VOICE:
940 switch (status) {
941 case CHAT:
942 case ONLINE:
943 return R.drawable.ic_send_voice_online;
944 case AWAY:
945 return R.drawable.ic_send_voice_away;
946 case XA:
947 case DND:
948 return R.drawable.ic_send_voice_dnd;
949 default:
950 return R.drawable.ic_send_voice_offline;
951 }
952 case SEND_LOCATION:
953 switch (status) {
954 case CHAT:
955 case ONLINE:
956 return R.drawable.ic_send_location_online;
957 case AWAY:
958 return R.drawable.ic_send_location_away;
959 case XA:
960 case DND:
961 return R.drawable.ic_send_location_dnd;
962 default:
963 return R.drawable.ic_send_location_offline;
964 }
965 case CANCEL:
966 switch (status) {
967 case CHAT:
968 case ONLINE:
969 return R.drawable.ic_send_cancel_online;
970 case AWAY:
971 return R.drawable.ic_send_cancel_away;
972 case XA:
973 case DND:
974 return R.drawable.ic_send_cancel_dnd;
975 default:
976 return R.drawable.ic_send_cancel_offline;
977 }
978 case CHOOSE_PICTURE:
979 switch (status) {
980 case CHAT:
981 case ONLINE:
982 return R.drawable.ic_send_picture_online;
983 case AWAY:
984 return R.drawable.ic_send_picture_away;
985 case XA:
986 case DND:
987 return R.drawable.ic_send_picture_dnd;
988 default:
989 return R.drawable.ic_send_picture_offline;
990 }
991 }
992 return R.drawable.ic_send_text_offline;
993 }
994
995 public void updateSendButton() {
996 final Conversation c = this.conversation;
997 final SendButtonAction action;
998 final Presence.Status status;
999 final String text = this.mEditMessage == null ? "" : this.mEditMessage.getText().toString();
1000 final boolean empty = text.length() == 0;
1001 final boolean conference = c.getMode() == Conversation.MODE_MULTI;
1002 if (c.getCorrectingMessage() != null && (empty || text.equals(c.getCorrectingMessage().getBody()))) {
1003 action = SendButtonAction.CANCEL;
1004 } else if (conference && !c.getAccount().httpUploadAvailable()) {
1005 if (empty && c.getNextCounterpart() != null) {
1006 action = SendButtonAction.CANCEL;
1007 } else {
1008 action = SendButtonAction.TEXT;
1009 }
1010 } else {
1011 if (empty) {
1012 if (conference && c.getNextCounterpart() != null) {
1013 action = SendButtonAction.CANCEL;
1014 } else {
1015 String setting = activity.getPreferences().getString("quick_action", "recent");
1016 if (!setting.equals("none") && UIHelper.receivedLocationQuestion(conversation.getLatestMessage())) {
1017 setting = "location";
1018 } else if (setting.equals("recent")) {
1019 setting = activity.getPreferences().getString("recently_used_quick_action", "text");
1020 }
1021 switch (setting) {
1022 case "photo":
1023 action = SendButtonAction.TAKE_PHOTO;
1024 break;
1025 case "location":
1026 action = SendButtonAction.SEND_LOCATION;
1027 break;
1028 case "voice":
1029 action = SendButtonAction.RECORD_VOICE;
1030 break;
1031 case "picture":
1032 action = SendButtonAction.CHOOSE_PICTURE;
1033 break;
1034 default:
1035 action = SendButtonAction.TEXT;
1036 break;
1037 }
1038 }
1039 } else {
1040 action = SendButtonAction.TEXT;
1041 }
1042 }
1043 if (activity.useSendButtonToIndicateStatus() && c != null
1044 && c.getAccount().getStatus() == Account.State.ONLINE) {
1045 if (c.getMode() == Conversation.MODE_SINGLE) {
1046 status = c.getContact().getMostAvailableStatus();
1047 } else {
1048 status = c.getMucOptions().online() ? Presence.Status.ONLINE : Presence.Status.OFFLINE;
1049 }
1050 } else {
1051 status = Presence.Status.OFFLINE;
1052 }
1053 this.mSendButton.setTag(action);
1054 this.mSendButton.setImageResource(getSendButtonImageResource(action, status));
1055 }
1056
1057 protected void updateStatusMessages() {
1058 synchronized (this.messageList) {
1059 if (showLoadMoreMessages(conversation)) {
1060 this.messageList.add(0, Message.createLoadMoreMessage(conversation));
1061 }
1062 if (conversation.getMode() == Conversation.MODE_SINGLE) {
1063 ChatState state = conversation.getIncomingChatState();
1064 if (state == ChatState.COMPOSING) {
1065 this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_is_typing, conversation.getName())));
1066 } else if (state == ChatState.PAUSED) {
1067 this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_has_stopped_typing, conversation.getName())));
1068 } else {
1069 for (int i = this.messageList.size() - 1; i >= 0; --i) {
1070 if (this.messageList.get(i).getStatus() == Message.STATUS_RECEIVED) {
1071 return;
1072 } else {
1073 if (this.messageList.get(i).getStatus() == Message.STATUS_SEND_DISPLAYED) {
1074 this.messageList.add(i + 1,
1075 Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, conversation.getName())));
1076 return;
1077 }
1078 }
1079 }
1080 }
1081 }
1082 }
1083 }
1084
1085 private boolean showLoadMoreMessages(final Conversation c) {
1086 final boolean mam = hasMamSupport(c);
1087 final MessageArchiveService service = activity.xmppConnectionService.getMessageArchiveService();
1088 return mam && (c.getLastClearHistory() != 0 || (c.countMessages() == 0 && c.hasMessagesLeftOnServer() && !service.queryInProgress(c)));
1089 }
1090
1091 private boolean hasMamSupport(final Conversation c) {
1092 if (c.getMode() == Conversation.MODE_SINGLE) {
1093 final XmppConnection connection = c.getAccount().getXmppConnection();
1094 return connection != null && connection.getFeatures().mam();
1095 } else {
1096 return c.getMucOptions().mamSupport();
1097 }
1098 }
1099
1100 protected void showSnackbar(final int message, final int action, final OnClickListener clickListener) {
1101 snackbar.setVisibility(View.VISIBLE);
1102 snackbar.setOnClickListener(null);
1103 snackbarMessage.setText(message);
1104 snackbarMessage.setOnClickListener(null);
1105 snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
1106 if (action != 0) {
1107 snackbarAction.setText(action);
1108 }
1109 snackbarAction.setOnClickListener(clickListener);
1110 }
1111
1112 protected void hideSnackbar() {
1113 snackbar.setVisibility(View.GONE);
1114 }
1115
1116 protected void sendPlainTextMessage(Message message) {
1117 ConversationActivity activity = (ConversationActivity) getActivity();
1118 activity.xmppConnectionService.sendMessage(message);
1119 messageSent();
1120 }
1121
1122 protected void sendPgpMessage(final Message message) {
1123 final ConversationActivity activity = (ConversationActivity) getActivity();
1124 final XmppConnectionService xmppService = activity.xmppConnectionService;
1125 final Contact contact = message.getConversation().getContact();
1126 if (!activity.hasPgp()) {
1127 activity.showInstallPgpDialog();
1128 return;
1129 }
1130 if (conversation.getAccount().getPgpSignature() == null) {
1131 activity.announcePgp(conversation.getAccount(), conversation);
1132 return;
1133 }
1134 if (conversation.getMode() == Conversation.MODE_SINGLE) {
1135 if (contact.getPgpKeyId() != 0) {
1136 xmppService.getPgpEngine().hasKey(contact,
1137 new UiCallback<Contact>() {
1138
1139 @Override
1140 public void userInputRequried(PendingIntent pi,
1141 Contact contact) {
1142 activity.runIntent(
1143 pi,
1144 ConversationActivity.REQUEST_ENCRYPT_MESSAGE);
1145 }
1146
1147 @Override
1148 public void success(Contact contact) {
1149 messageSent();
1150 activity.encryptTextMessage(message);
1151 }
1152
1153 @Override
1154 public void error(int error, Contact contact) {
1155 System.out.println();
1156 }
1157 });
1158
1159 } else {
1160 showNoPGPKeyDialog(false,
1161 new DialogInterface.OnClickListener() {
1162
1163 @Override
1164 public void onClick(DialogInterface dialog,
1165 int which) {
1166 conversation
1167 .setNextEncryption(Message.ENCRYPTION_NONE);
1168 xmppService.databaseBackend
1169 .updateConversation(conversation);
1170 message.setEncryption(Message.ENCRYPTION_NONE);
1171 xmppService.sendMessage(message);
1172 messageSent();
1173 }
1174 });
1175 }
1176 } else {
1177 if (conversation.getMucOptions().pgpKeysInUse()) {
1178 if (!conversation.getMucOptions().everybodyHasKeys()) {
1179 Toast warning = Toast
1180 .makeText(getActivity(),
1181 R.string.missing_public_keys,
1182 Toast.LENGTH_LONG);
1183 warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
1184 warning.show();
1185 }
1186 activity.encryptTextMessage(message);
1187 messageSent();
1188 } else {
1189 showNoPGPKeyDialog(true,
1190 new DialogInterface.OnClickListener() {
1191
1192 @Override
1193 public void onClick(DialogInterface dialog,
1194 int which) {
1195 conversation
1196 .setNextEncryption(Message.ENCRYPTION_NONE);
1197 message.setEncryption(Message.ENCRYPTION_NONE);
1198 xmppService.databaseBackend
1199 .updateConversation(conversation);
1200 xmppService.sendMessage(message);
1201 messageSent();
1202 }
1203 });
1204 }
1205 }
1206 }
1207
1208 public void showNoPGPKeyDialog(boolean plural,
1209 DialogInterface.OnClickListener listener) {
1210 AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1211 builder.setIconAttribute(android.R.attr.alertDialogIcon);
1212 if (plural) {
1213 builder.setTitle(getString(R.string.no_pgp_keys));
1214 builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
1215 } else {
1216 builder.setTitle(getString(R.string.no_pgp_key));
1217 builder.setMessage(getText(R.string.contact_has_no_pgp_key));
1218 }
1219 builder.setNegativeButton(getString(R.string.cancel), null);
1220 builder.setPositiveButton(getString(R.string.send_unencrypted),
1221 listener);
1222 builder.create().show();
1223 }
1224
1225 protected void sendAxolotlMessage(final Message message) {
1226 final ConversationActivity activity = (ConversationActivity) getActivity();
1227 final XmppConnectionService xmppService = activity.xmppConnectionService;
1228 xmppService.sendMessage(message);
1229 messageSent();
1230 }
1231
1232 protected void sendOtrMessage(final Message message) {
1233 final ConversationActivity activity = (ConversationActivity) getActivity();
1234 final XmppConnectionService xmppService = activity.xmppConnectionService;
1235 activity.selectPresence(message.getConversation(),
1236 new OnPresenceSelected() {
1237
1238 @Override
1239 public void onPresenceSelected() {
1240 message.setCounterpart(conversation.getNextCounterpart());
1241 xmppService.sendMessage(message);
1242 messageSent();
1243 }
1244 });
1245 }
1246
1247 public void appendText(String text) {
1248 if (text == null) {
1249 return;
1250 }
1251 String previous = this.mEditMessage.getText().toString();
1252 if (previous.length() != 0 && !previous.endsWith(" ")) {
1253 text = " " + text;
1254 }
1255 this.mEditMessage.append(text);
1256 }
1257
1258 @Override
1259 public boolean onEnterPressed() {
1260 if (activity.enterIsSend()) {
1261 sendMessage();
1262 return true;
1263 } else {
1264 return false;
1265 }
1266 }
1267
1268 @Override
1269 public void onTypingStarted() {
1270 Account.State status = conversation.getAccount().getStatus();
1271 if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
1272 activity.xmppConnectionService.sendChatState(conversation);
1273 }
1274 activity.hideConversationsOverview();
1275 updateSendButton();
1276 }
1277
1278 @Override
1279 public void onTypingStopped() {
1280 Account.State status = conversation.getAccount().getStatus();
1281 if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
1282 activity.xmppConnectionService.sendChatState(conversation);
1283 }
1284 }
1285
1286 @Override
1287 public void onTextDeleted() {
1288 Account.State status = conversation.getAccount().getStatus();
1289 if (status == Account.State.ONLINE && conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1290 activity.xmppConnectionService.sendChatState(conversation);
1291 }
1292 updateSendButton();
1293 }
1294
1295 @Override
1296 public void onTextChanged() {
1297 if (conversation != null && conversation.getCorrectingMessage() != null) {
1298 updateSendButton();
1299 }
1300 }
1301
1302 private int completionIndex = 0;
1303 private int lastCompletionLength = 0;
1304 private String incomplete;
1305 private int lastCompletionCursor;
1306 private boolean firstWord = false;
1307
1308 @Override
1309 public boolean onTabPressed(boolean repeated) {
1310 if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
1311 return false;
1312 }
1313 if (repeated) {
1314 completionIndex++;
1315 } else {
1316 lastCompletionLength = 0;
1317 completionIndex = 0;
1318 final String content = mEditMessage.getText().toString();
1319 lastCompletionCursor = mEditMessage.getSelectionEnd();
1320 int start = lastCompletionCursor > 0 ? content.lastIndexOf(" ",lastCompletionCursor-1) + 1 : 0;
1321 firstWord = start == 0;
1322 incomplete = content.substring(start,lastCompletionCursor);
1323 }
1324 List<String> completions = new ArrayList<>();
1325 for(MucOptions.User user : conversation.getMucOptions().getUsers()) {
1326 if (user.getName().startsWith(incomplete)) {
1327 completions.add(user.getName()+(firstWord ? ": " : " "));
1328 }
1329 }
1330 Collections.sort(completions);
1331 if (completions.size() > completionIndex) {
1332 String completion = completions.get(completionIndex).substring(incomplete.length());
1333 mEditMessage.getEditableText().delete(lastCompletionCursor,lastCompletionCursor + lastCompletionLength);
1334 mEditMessage.getEditableText().insert(lastCompletionCursor, completion);
1335 lastCompletionLength = completion.length();
1336 } else {
1337 completionIndex = -1;
1338 mEditMessage.getEditableText().delete(lastCompletionCursor,lastCompletionCursor + lastCompletionLength);
1339 lastCompletionLength = 0;
1340 }
1341 return true;
1342 }
1343
1344 @Override
1345 public void onActivityResult(int requestCode, int resultCode,
1346 final Intent data) {
1347 if (resultCode == Activity.RESULT_OK) {
1348 if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1349 activity.getSelectedConversation().getAccount().getPgpDecryptionService().onKeychainUnlocked();
1350 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
1351 updatePgpMessages();
1352 } else if (requestCode == ConversationActivity.REQUEST_TRUST_KEYS_TEXT) {
1353 final String body = mEditMessage.getText().toString();
1354 Message message = new Message(conversation, body, conversation.getNextEncryption());
1355 sendAxolotlMessage(message);
1356 } else if (requestCode == ConversationActivity.REQUEST_TRUST_KEYS_MENU) {
1357 int choice = data.getIntExtra("choice", ConversationActivity.ATTACHMENT_CHOICE_INVALID);
1358 activity.selectPresenceToAttachFile(choice, conversation.getNextEncryption());
1359 }
1360 } else {
1361 if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1362 keychainUnlock = KEYCHAIN_UNLOCK_NOT_REQUIRED;
1363 updatePgpMessages();
1364 }
1365 }
1366 }
1367
1368}