package eu.siacs.conversations.ui; import android.app.Activity; import android.app.AlertDialog; import android.app.Fragment; import android.app.PendingIntent; import android.content.ActivityNotFoundException; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentSender.SendIntentException; import android.os.Bundle; import android.os.Handler; import android.support.v13.view.inputmethod.InputConnectionCompat; import android.support.v13.view.inputmethod.InputContentInfoCompat; import android.text.Editable; import android.text.InputType; import android.util.Log; import android.util.Pair; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.Gravity; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputMethodManager; import android.widget.AbsListView; import android.widget.AbsListView.OnScrollListener; import android.widget.AdapterView; import android.widget.AdapterView.AdapterContextMenuInfo; import android.widget.ImageButton; import android.widget.ListView; import android.widget.PopupMenu; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.TextView.OnEditorActionListener; import android.widget.Toast; import net.java.otr4j.session.SessionStatus; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.UUID; import java.util.concurrent.atomic.AtomicBoolean; import eu.siacs.conversations.Config; import eu.siacs.conversations.R; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Blockable; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.DownloadableFile; import eu.siacs.conversations.entities.Message; import eu.siacs.conversations.entities.MucOptions; import eu.siacs.conversations.entities.Presence; import eu.siacs.conversations.entities.Transferable; import eu.siacs.conversations.entities.TransferablePlaceholder; import eu.siacs.conversations.http.HttpDownloadConnection; import eu.siacs.conversations.persistance.FileBackend; import eu.siacs.conversations.services.MessageArchiveService; import eu.siacs.conversations.services.XmppConnectionService; import eu.siacs.conversations.ui.XmppActivity.OnPresenceSelected; import eu.siacs.conversations.ui.XmppActivity.OnValueEdited; import eu.siacs.conversations.ui.adapter.MessageAdapter; import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureClicked; import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureLongClicked; import eu.siacs.conversations.ui.widget.ListSelectionManager; import eu.siacs.conversations.utils.GeoHelper; import eu.siacs.conversations.utils.UIHelper; import eu.siacs.conversations.xmpp.XmppConnection; import eu.siacs.conversations.xmpp.chatstate.ChatState; import eu.siacs.conversations.xmpp.jid.Jid; public class ConversationFragment extends Fragment implements EditMessage.KeyboardListener { protected Conversation conversation; private OnClickListener leaveMuc = new OnClickListener() { @Override public void onClick(View v) { activity.endConversation(conversation); } }; private OnClickListener joinMuc = new OnClickListener() { @Override public void onClick(View v) { activity.xmppConnectionService.joinMuc(conversation); } }; private OnClickListener enterPassword = new OnClickListener() { @Override public void onClick(View v) { MucOptions muc = conversation.getMucOptions(); String password = muc.getPassword(); if (password == null) { password = ""; } activity.quickPasswordEdit(password, new OnValueEdited() { @Override public void onValueEdited(String value) { activity.xmppConnectionService.providePasswordForMuc( conversation, value); } }); } }; protected ListView messagesView; final protected List messageList = new ArrayList<>(); protected MessageAdapter messageListAdapter; private EditMessage mEditMessage; private ImageButton mSendButton; private RelativeLayout snackbar; private TextView snackbarMessage; private TextView snackbarAction; private Toast messageLoaderToast; private OnScrollListener mOnScrollListener = new OnScrollListener() { @Override public void onScrollStateChanged(AbsListView view, int scrollState) { // TODO Auto-generated method stub } @Override public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { synchronized (ConversationFragment.this.messageList) { if (firstVisibleItem < 5 && conversation != null && conversation.messagesLoaded.compareAndSet(true,false) && messageList.size() > 0) { long timestamp; if (messageList.get(0).getType() == Message.TYPE_STATUS && messageList.size() >= 2) { timestamp = messageList.get(1).getTimeSent(); } else { timestamp = messageList.get(0).getTimeSent(); } activity.xmppConnectionService.loadMoreMessages(conversation, timestamp, new XmppConnectionService.OnMoreMessagesLoaded() { @Override public void onMoreMessagesLoaded(final int c, final Conversation conversation) { if (ConversationFragment.this.conversation != conversation) { conversation.messagesLoaded.set(true); return; } activity.runOnUiThread(new Runnable() { @Override public void run() { final int oldPosition = messagesView.getFirstVisiblePosition(); final Message message; if (oldPosition < messageList.size()) { message = messageList.get(oldPosition); } else { message = null; } String uuid = message != null ? message.getUuid() : null; View v = messagesView.getChildAt(0); final int pxOffset = (v == null) ? 0 : v.getTop(); ConversationFragment.this.conversation.populateWithMessages(ConversationFragment.this.messageList); try { updateStatusMessages(); } catch (IllegalStateException e) { Log.d(Config.LOGTAG,"caught illegal state exception while updating status messages"); } messageListAdapter.notifyDataSetChanged(); int pos = Math.max(getIndexOf(uuid,messageList),0); messagesView.setSelectionFromTop(pos, pxOffset); if (messageLoaderToast != null) { messageLoaderToast.cancel(); } conversation.messagesLoaded.set(true); } }); } @Override public void informUser(final int resId) { activity.runOnUiThread(new Runnable() { @Override public void run() { if (messageLoaderToast != null) { messageLoaderToast.cancel(); } if (ConversationFragment.this.conversation != conversation) { return; } messageLoaderToast = Toast.makeText(activity, resId, Toast.LENGTH_LONG); messageLoaderToast.show(); } }); } }); } } } }; private int getIndexOf(String uuid, List messages) { if (uuid == null) { return messages.size() - 1; } for(int i = 0; i < messages.size(); ++i) { if (uuid.equals(messages.get(i).getUuid())) { return i; } else { Message next = messages.get(i); while(next != null && next.wasMergedIntoPrevious()) { if (uuid.equals(next.getUuid())) { return i; } next = next.next(); } } } return -1; } public Pair getScrollPosition() { if (this.messagesView.getCount() == 0 || this.messagesView.getLastVisiblePosition() == this.messagesView.getCount() - 1) { return null; } else { final int pos = messagesView.getFirstVisiblePosition(); final View view = messagesView.getChildAt(0); if (view == null) { return null; } else { return new Pair<>(pos, view.getTop()); } } } public void setScrollPosition(Pair scrollPosition) { if (scrollPosition != null) { this.messagesView.setSelectionFromTop(scrollPosition.first, scrollPosition.second); } } protected OnClickListener clickToDecryptListener = new OnClickListener() { @Override public void onClick(View v) { PendingIntent pendingIntent = conversation.getAccount().getPgpDecryptionService().getPendingIntent(); if (pendingIntent != null) { try { activity.startIntentSenderForResult(pendingIntent.getIntentSender(), ConversationActivity.REQUEST_DECRYPT_PGP, null, 0, 0, 0); } catch (SendIntentException e) { Toast.makeText(activity,R.string.unable_to_connect_to_keychain, Toast.LENGTH_SHORT).show(); conversation.getAccount().getPgpDecryptionService().continueDecryption(true); } } updateSnackBar(conversation); } }; protected OnClickListener clickToVerify = new OnClickListener() { @Override public void onClick(View v) { activity.verifyOtrSessionDialog(conversation, v); } }; private OnEditorActionListener mEditorActionListener = new OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_SEND) { InputMethodManager imm = (InputMethodManager) v.getContext() .getSystemService(Context.INPUT_METHOD_SERVICE); if (imm.isFullscreenMode()) { imm.hideSoftInputFromWindow(v.getWindowToken(), 0); } sendMessage(); return true; } else { return false; } } }; private EditMessage.OnCommitContentListener mEditorContentListener = new EditMessage.OnCommitContentListener() { @Override public boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags, Bundle opts, String[] contentMimeTypes) { // try to get permission to read the image, if applicable if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION) != 0) { try { inputContentInfo.requestPermission(); } catch (Exception e) { Log.e(Config.LOGTAG, "InputContentInfoCompat#requestPermission() failed.", e); Toast.makeText( activity, activity.getString(R.string.no_permission_to_access_x, inputContentInfo.getDescription()), Toast.LENGTH_LONG ).show(); return false; } } // send the image activity.attachImageToConversation(inputContentInfo.getContentUri()); // TODO: revoke permissions? // since uploading an image is async its tough to wire a callback to when // the image has finished uploading. // According to the docs: "calling IC#releasePermission() is just to be a // good citizen. Even if we failed to call that method, the system would eventually revoke // the permission sometime after inputContentInfo object gets garbage-collected." // See: https://developer.android.com/samples/CommitContentSampleApp/src/com.example.android.commitcontent.app/MainActivity.html#l164 return true; } }; private OnClickListener mSendButtonListener = new OnClickListener() { @Override public void onClick(View v) { Object tag = v.getTag(); if (tag instanceof SendButtonAction) { SendButtonAction action = (SendButtonAction) tag; switch (action) { case TAKE_PHOTO: activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_TAKE_PHOTO); break; case SEND_LOCATION: activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_LOCATION); break; case RECORD_VOICE: activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_RECORD_VOICE); break; case CHOOSE_PICTURE: activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_CHOOSE_IMAGE); break; case CANCEL: if (conversation != null) { if(conversation.setCorrectingMessage(null)) { mEditMessage.setText(""); mEditMessage.append(conversation.getDraftMessage()); conversation.setDraftMessage(null); } else if (conversation.getMode() == Conversation.MODE_MULTI) { conversation.setNextCounterpart(null); } updateChatMsgHint(); updateSendButton(); } break; default: sendMessage(); } } else { sendMessage(); } } }; private OnClickListener clickToMuc = new OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(getActivity(), ConferenceDetailsActivity.class); intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC); intent.putExtra("uuid", conversation.getUuid()); startActivity(intent); } }; private ConversationActivity activity; private Message selectedMessage; private void sendMessage() { final String body = mEditMessage.getText().toString(); if (body.length() == 0 || this.conversation == null) { return; } final Message message; if (conversation.getCorrectingMessage() == null) { message = new Message(conversation, body, conversation.getNextEncryption()); if (conversation.getMode() == Conversation.MODE_MULTI) { if (conversation.getNextCounterpart() != null) { message.setCounterpart(conversation.getNextCounterpart()); message.setType(Message.TYPE_PRIVATE); } } } else { message = conversation.getCorrectingMessage(); message.setBody(body); message.setEdited(message.getUuid()); message.setUuid(UUID.randomUUID().toString()); } switch (conversation.getNextEncryption()) { case Message.ENCRYPTION_OTR: sendOtrMessage(message); break; case Message.ENCRYPTION_PGP: sendPgpMessage(message); break; case Message.ENCRYPTION_AXOLOTL: if(!activity.trustKeysIfNeeded(ConversationActivity.REQUEST_TRUST_KEYS_TEXT)) { sendAxolotlMessage(message); } break; default: sendPlainTextMessage(message); } } public void updateChatMsgHint() { final boolean multi = conversation.getMode() == Conversation.MODE_MULTI; if (conversation.getCorrectingMessage() != null) { this.mEditMessage.setHint(R.string.send_corrected_message); } else if (multi && conversation.getNextCounterpart() != null) { this.mEditMessage.setHint(getString( R.string.send_private_message_to, conversation.getNextCounterpart().getResourcepart())); } else if (multi && !conversation.getMucOptions().participating()) { this.mEditMessage.setHint(R.string.you_are_not_participating); } else { this.mEditMessage.setHint(UIHelper.getMessageHint(activity,conversation)); getActivity().invalidateOptionsMenu(); } } public void setupIme() { if (activity == null) { return; } else if (activity.usingEnterKey() && activity.enterIsSend()) { mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_FLAG_MULTI_LINE)); mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE)); } else if (activity.usingEnterKey()) { mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE); mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE)); } else { mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE); mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE); } } @Override public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View view = inflater.inflate(R.layout.fragment_conversation, container, false); view.setOnClickListener(null); String[] allImagesMimeType = {"image/*"}; mEditMessage = (EditMessage) view.findViewById(R.id.textinput); mEditMessage.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (activity != null) { activity.hideConversationsOverview(); } } }); mEditMessage.setOnEditorActionListener(mEditorActionListener); mEditMessage.setRichContentListener(allImagesMimeType, mEditorContentListener); mSendButton = (ImageButton) view.findViewById(R.id.textSendButton); mSendButton.setOnClickListener(this.mSendButtonListener); snackbar = (RelativeLayout) view.findViewById(R.id.snackbar); snackbarMessage = (TextView) view.findViewById(R.id.snackbar_message); snackbarAction = (TextView) view.findViewById(R.id.snackbar_action); messagesView = (ListView) view.findViewById(R.id.messages_view); messagesView.setOnScrollListener(mOnScrollListener); messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL); messageListAdapter = new MessageAdapter((ConversationActivity) getActivity(), this.messageList); messageListAdapter.setOnContactPictureClicked(new OnContactPictureClicked() { @Override public void onContactPictureClicked(Message message) { if (message.getStatus() <= Message.STATUS_RECEIVED) { if (message.getConversation().getMode() == Conversation.MODE_MULTI) { Jid user = message.getCounterpart(); if (user != null && !user.isBareJid()) { if (!message.getConversation().getMucOptions().isUserInRoom(user)) { Toast.makeText(activity,activity.getString(R.string.user_has_left_conference,user.getResourcepart()),Toast.LENGTH_SHORT).show(); } highlightInConference(user.getResourcepart()); } } else { if (!message.getContact().isSelf()) { String fingerprint; if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) { fingerprint = "pgp"; } else { fingerprint = message.getFingerprint(); } activity.switchToContactDetails(message.getContact(), fingerprint); } } } else { Account account = message.getConversation().getAccount(); Intent intent; if (activity.manuallyChangePresence()) { intent = new Intent(activity, SetPresenceActivity.class); intent.putExtra(SetPresenceActivity.EXTRA_ACCOUNT, account.getJid().toBareJid().toString()); } else { intent = new Intent(activity, EditAccountActivity.class); intent.putExtra("jid", account.getJid().toBareJid().toString()); String fingerprint; if (message.getEncryption() == Message.ENCRYPTION_PGP || message.getEncryption() == Message.ENCRYPTION_DECRYPTED) { fingerprint = "pgp"; } else { fingerprint = message.getFingerprint(); } intent.putExtra("fingerprint", fingerprint); } startActivity(intent); } } }); messageListAdapter .setOnContactPictureLongClicked(new OnContactPictureLongClicked() { @Override public void onContactPictureLongClicked(Message message) { if (message.getStatus() <= Message.STATUS_RECEIVED) { if (message.getConversation().getMode() == Conversation.MODE_MULTI) { Jid user = message.getCounterpart(); if (user != null && !user.isBareJid()) { if (message.getConversation().getMucOptions().isUserInRoom(user)) { privateMessageWith(user); } else { Toast.makeText(activity, activity.getString(R.string.user_has_left_conference, user.getResourcepart()), Toast.LENGTH_SHORT).show(); } } } } else { activity.showQrCode(); } } }); messageListAdapter.setOnQuoteListener(new MessageAdapter.OnQuoteListener() { @Override public void onQuote(String text) { if (mEditMessage.isEnabled()) { text = text.replaceAll("(\n *){2,}", "\n").replaceAll("(^|\n)", "$1> ").replaceAll("\n$", ""); Editable editable = mEditMessage.getEditableText(); int position = mEditMessage.getSelectionEnd(); if (position == -1) position = editable.length(); if (position > 0 && editable.charAt(position - 1) != '\n') { editable.insert(position++, "\n"); } editable.insert(position, text); position += text.length(); editable.insert(position++, "\n"); if (position < editable.length() && editable.charAt(position) != '\n') { editable.insert(position, "\n"); } mEditMessage.setSelection(position); mEditMessage.requestFocus(); InputMethodManager inputMethodManager = (InputMethodManager) getActivity() .getSystemService(Context.INPUT_METHOD_SERVICE); if (inputMethodManager != null) { inputMethodManager.showSoftInput(mEditMessage, InputMethodManager.SHOW_IMPLICIT); } } } }); messagesView.setAdapter(messageListAdapter); registerForContextMenu(messagesView); return view; } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { synchronized (this.messageList) { super.onCreateContextMenu(menu, v, menuInfo); AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo; this.selectedMessage = this.messageList.get(acmi.position); populateContextMenu(menu); } } private void populateContextMenu(ContextMenu menu) { final Message m = this.selectedMessage; final Transferable t = m.getTransferable(); Message relevantForCorrection = m; while(relevantForCorrection.mergeable(relevantForCorrection.next())) { relevantForCorrection = relevantForCorrection.next(); } if (m.getType() != Message.TYPE_STATUS) { final boolean treatAsFile = m.getType() != Message.TYPE_TEXT && m.getType() != Message.TYPE_PRIVATE && t == null; activity.getMenuInflater().inflate(R.menu.message_context, menu); menu.setHeaderTitle(R.string.message_options); MenuItem copyText = menu.findItem(R.id.copy_text); MenuItem selectText = menu.findItem(R.id.select_text); MenuItem retryDecryption = menu.findItem(R.id.retry_decryption); MenuItem correctMessage = menu.findItem(R.id.correct_message); MenuItem shareWith = menu.findItem(R.id.share_with); MenuItem sendAgain = menu.findItem(R.id.send_again); MenuItem copyUrl = menu.findItem(R.id.copy_url); MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission); MenuItem deleteFile = menu.findItem(R.id.delete_file); MenuItem showErrorMessage = menu.findItem(R.id.show_error_message); if (!treatAsFile && !GeoHelper.isGeoUri(m.getBody()) && !m.treatAsDownloadable()) { copyText.setVisible(true); selectText.setVisible(ListSelectionManager.isSupported()); } if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) { retryDecryption.setVisible(true); } if (relevantForCorrection.getType() == Message.TYPE_TEXT && relevantForCorrection.isLastCorrectableMessage() && (m.getConversation().getMucOptions().nonanonymous() || m.getConversation().getMode() == Conversation.MODE_SINGLE)) { correctMessage.setVisible(true); } if (treatAsFile || (GeoHelper.isGeoUri(m.getBody()))) { shareWith.setVisible(true); } if (m.getStatus() == Message.STATUS_SEND_FAILED) { sendAgain.setVisible(true); } if (m.hasFileOnRemoteHost() || GeoHelper.isGeoUri(m.getBody()) || m.treatAsDownloadable() || (t != null && t instanceof HttpDownloadConnection)) { copyUrl.setVisible(true); } boolean waitingOfferedSending = m.getStatus() == Message.STATUS_WAITING || m.getStatus() == Message.STATUS_UNSEND || m.getStatus() == Message.STATUS_OFFERED; if ((t != null && !(t instanceof TransferablePlaceholder)) || waitingOfferedSending && m.needsUploading()) { cancelTransmission.setVisible(true); } if (treatAsFile) { String path = m.getRelativeFilePath(); if (path == null || !path.startsWith("/")) { deleteFile.setVisible(true); deleteFile.setTitle(activity.getString(R.string.delete_x_file, UIHelper.getFileDescriptionString(activity, m))); } } if (m.getStatus() == Message.STATUS_SEND_FAILED && m.getErrorMessage() != null) { showErrorMessage.setVisible(true); } } } @Override public boolean onContextItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.share_with: shareWith(selectedMessage); return true; case R.id.copy_text: copyText(selectedMessage); return true; case R.id.select_text: selectText(selectedMessage); return true; case R.id.correct_message: correctMessage(selectedMessage); return true; case R.id.send_again: resendMessage(selectedMessage); return true; case R.id.copy_url: copyUrl(selectedMessage); return true; case R.id.cancel_transmission: cancelTransmission(selectedMessage); return true; case R.id.retry_decryption: retryDecryption(selectedMessage); return true; case R.id.delete_file: deleteFile(selectedMessage); return true; case R.id.show_error_message: showErrorMessage(selectedMessage); return true; default: return super.onContextItemSelected(item); } } private void showErrorMessage(final Message message) { AlertDialog.Builder builder = new AlertDialog.Builder(activity); builder.setTitle(R.string.error_message); builder.setMessage(message.getErrorMessage()); builder.setPositiveButton(R.string.confirm,null); builder.create().show(); } private void shareWith(Message message) { Intent shareIntent = new Intent(); shareIntent.setAction(Intent.ACTION_SEND); if (GeoHelper.isGeoUri(message.getBody())) { shareIntent.putExtra(Intent.EXTRA_TEXT, message.getBody()); shareIntent.setType("text/plain"); } else { final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message); try { shareIntent.putExtra(Intent.EXTRA_STREAM, FileBackend.getUriForFile(activity, file)); } catch (SecurityException e) { Toast.makeText(activity, activity.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show(); return; } shareIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); String mime = message.getMimeType(); if (mime == null) { mime = "*/*"; } shareIntent.setType(mime); } try { activity.startActivity(Intent.createChooser(shareIntent, getText(R.string.share_with))); } catch (ActivityNotFoundException e) { //This should happen only on faulty androids because normally chooser is always available Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show(); } } private void copyText(Message message) { if (activity.copyTextToClipboard(message.getMergedBody().toString(), R.string.message_text)) { Toast.makeText(activity, R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show(); } } private void selectText(Message message) { final int index; synchronized (this.messageList) { index = this.messageList.indexOf(message); } if (index >= 0) { final int first = this.messagesView.getFirstVisiblePosition(); final int last = first + this.messagesView.getChildCount(); if (index >= first && index < last) { final View view = this.messagesView.getChildAt(index - first); final TextView messageBody = this.messageListAdapter.getMessageBody(view); if (messageBody != null) { ListSelectionManager.startSelection(messageBody); } } } } private void deleteFile(Message message) { if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) { message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED)); activity.updateConversationList(); updateMessages(); } } private void resendMessage(Message message) { if (message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) { DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message); if (!file.exists()) { Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show(); message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED)); activity.updateConversationList(); updateMessages(); return; } } activity.xmppConnectionService.resendFailedMessages(message); } private void copyUrl(Message message) { final String url; final int resId; if (GeoHelper.isGeoUri(message.getBody())) { resId = R.string.location; url = message.getBody(); } else if (message.hasFileOnRemoteHost()) { resId = R.string.file_url; url = message.getFileParams().url.toString(); } else { url = message.getBody().trim(); resId = R.string.file_url; } if (activity.copyTextToClipboard(url, resId)) { Toast.makeText(activity, R.string.url_copied_to_clipboard, Toast.LENGTH_SHORT).show(); } } private void cancelTransmission(Message message) { Transferable transferable = message.getTransferable(); if (transferable != null) { transferable.cancel(); } } private void retryDecryption(Message message) { message.setEncryption(Message.ENCRYPTION_PGP); activity.updateConversationList(); updateMessages(); conversation.getAccount().getPgpDecryptionService().decrypt(message, false); } protected void privateMessageWith(final Jid counterpart) { if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) { activity.xmppConnectionService.sendChatState(conversation); } this.mEditMessage.setText(""); this.conversation.setNextCounterpart(counterpart); updateChatMsgHint(); updateSendButton(); } private void correctMessage(Message message) { while(message.mergeable(message.next())) { message = message.next(); } this.conversation.setCorrectingMessage(message); final Editable editable = mEditMessage.getText(); this.conversation.setDraftMessage(editable.toString()); this.mEditMessage.setText(""); this.mEditMessage.append(message.getBody()); } protected void highlightInConference(String nick) { final Editable editable = mEditMessage.getText(); String oldString = editable.toString().trim(); final int pos = mEditMessage.getSelectionStart(); if (oldString.isEmpty() || pos == 0) { editable.insert(0, nick + ": "); } else { final char before = editable.charAt(pos - 1); final char after = editable.length() > pos ? editable.charAt(pos) : '\0'; if (before == '\n') { editable.insert(pos, nick + ": "); } else { if (pos > 2 && editable.subSequence(pos-2,pos).toString().equals(": ")) { editable.insert(pos-2,", "+nick); } else { editable.insert(pos, (Character.isWhitespace(before) ? "" : " ") + nick + (Character.isWhitespace(after) ? "" : " ")); if (Character.isWhitespace(after)) { mEditMessage.setSelection(mEditMessage.getSelectionStart() + 1); } } } } } @Override public void onStop() { super.onStop(); if (this.conversation != null) { final String msg = mEditMessage.getText().toString(); this.conversation.setNextMessage(msg); updateChatState(this.conversation, msg); } } private void updateChatState(final Conversation conversation, final String msg) { ChatState state = msg.length() == 0 ? Config.DEFAULT_CHATSTATE : ChatState.PAUSED; Account.State status = conversation.getAccount().getStatus(); if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) { activity.xmppConnectionService.sendChatState(conversation); } } public boolean reInit(Conversation conversation) { if (conversation == null) { return false; } this.activity = (ConversationActivity) getActivity(); setupIme(); if (this.conversation != null) { final String msg = mEditMessage.getText().toString(); this.conversation.setNextMessage(msg); if (this.conversation != conversation) { updateChatState(this.conversation, msg); } this.conversation.trim(); } this.conversation = conversation; boolean canWrite = this.conversation.getMode() == Conversation.MODE_SINGLE || this.conversation.getMucOptions().participating(); this.mEditMessage.setEnabled(canWrite); this.mSendButton.setEnabled(canWrite); this.mEditMessage.setKeyboardListener(null); this.mEditMessage.setText(""); this.mEditMessage.append(this.conversation.getNextMessage()); this.mEditMessage.setKeyboardListener(this); messageListAdapter.updatePreferences(); this.messagesView.setAdapter(messageListAdapter); updateMessages(); this.conversation.messagesLoaded.set(true); synchronized (this.messageList) { final Message first = conversation.getFirstUnreadMessage(); final int bottom = Math.max(0, this.messageList.size() - 1); final int pos; if (first == null) { pos = bottom; } else { int i = getIndexOf(first.getUuid(), this.messageList); pos = i < 0 ? bottom : i; } messagesView.setSelection(pos); return pos == bottom; } } private OnClickListener mEnableAccountListener = new OnClickListener() { @Override public void onClick(View v) { final Account account = conversation == null ? null : conversation.getAccount(); if (account != null) { account.setOption(Account.OPTION_DISABLED, false); activity.xmppConnectionService.updateAccount(account); } } }; private OnClickListener mUnblockClickListener = new OnClickListener() { @Override public void onClick(final View v) { v.post(new Runnable() { @Override public void run() { v.setVisibility(View.INVISIBLE); } }); if (conversation.isDomainBlocked()) { BlockContactDialog.show(activity, conversation); } else { activity.unblockConversation(conversation); } } }; private OnClickListener mBlockClickListener = new OnClickListener() { @Override public void onClick(final View view) { final Jid jid = conversation.getJid(); if (jid.isDomainJid()) { BlockContactDialog.show(activity, conversation); } else { PopupMenu popupMenu = new PopupMenu(activity, view); popupMenu.inflate(R.menu.block); popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem menuItem) { Blockable blockable; switch (menuItem.getItemId()) { case R.id.block_domain: blockable = conversation.getAccount().getRoster().getContact(jid.toDomainJid()); break; default: blockable = conversation; } BlockContactDialog.show(activity, blockable); return true; } }); popupMenu.show(); } } }; private OnClickListener mAddBackClickListener = new OnClickListener() { @Override public void onClick(View v) { final Contact contact = conversation == null ? null : conversation.getContact(); if (contact != null) { activity.xmppConnectionService.createContact(contact); activity.switchToContactDetails(contact); } } }; private OnClickListener mAllowPresenceSubscription = new OnClickListener() { @Override public void onClick(View v) { final Contact contact = conversation == null ? null : conversation.getContact(); if (contact != null) { activity.xmppConnectionService.sendPresencePacket(contact.getAccount(), activity.xmppConnectionService.getPresenceGenerator() .sendPresenceUpdatesTo(contact)); hideSnackbar(); } } }; private OnClickListener mAnswerSmpClickListener = new OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(activity, VerifyOTRActivity.class); intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT); intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString()); intent.putExtra(VerifyOTRActivity.EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString()); intent.putExtra("mode", VerifyOTRActivity.MODE_ANSWER_QUESTION); startActivity(intent); } }; private void updateSnackBar(final Conversation conversation) { final Account account = conversation.getAccount(); final XmppConnection connection = account.getXmppConnection(); final int mode = conversation.getMode(); final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null; if (account.getStatus() == Account.State.DISABLED) { showSnackbar(R.string.this_account_is_disabled, R.string.enable, this.mEnableAccountListener); } else if (conversation.isBlocked()) { showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener); } else if (contact != null && !contact.showInRoster() && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) { showSnackbar(R.string.contact_added_you, R.string.add_back, this.mAddBackClickListener); } else if (contact != null && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) { showSnackbar(R.string.contact_asks_for_presence_subscription, R.string.allow, this.mAllowPresenceSubscription); } else if (mode == Conversation.MODE_MULTI && !conversation.getMucOptions().online() && account.getStatus() == Account.State.ONLINE) { switch (conversation.getMucOptions().getError()) { case NICK_IN_USE: showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc); break; case NO_RESPONSE: showSnackbar(R.string.joining_conference, 0, null); break; case SERVER_NOT_FOUND: showSnackbar(R.string.remote_server_not_found,R.string.leave, leaveMuc); break; case PASSWORD_REQUIRED: showSnackbar(R.string.conference_requires_password, R.string.enter_password, enterPassword); break; case BANNED: showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc); break; case MEMBERS_ONLY: showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc); break; case KICKED: showSnackbar(R.string.conference_kicked, R.string.join, joinMuc); break; case UNKNOWN: showSnackbar(R.string.conference_unknown_error, R.string.join, joinMuc); break; case SHUTDOWN: showSnackbar(R.string.conference_shutdown, R.string.join, joinMuc); break; default: break; } } else if (account.hasPendingPgpIntent(conversation)) { showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener); } else if (mode == Conversation.MODE_SINGLE && conversation.smpRequested()) { showSnackbar(R.string.smp_requested, R.string.verify, this.mAnswerSmpClickListener); } else if (mode == Conversation.MODE_SINGLE && conversation.hasValidOtrSession() && (conversation.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED) && (!conversation.isOtrFingerprintVerified())) { showSnackbar(R.string.unknown_otr_fingerprint, R.string.verify, clickToVerify); } else if (connection != null && connection.getFeatures().blocking() && conversation.countMessages() != 0 && !conversation.isBlocked() && conversation.isWithStranger()) { showSnackbar(R.string.received_message_from_stranger,R.string.block, mBlockClickListener); } else { hideSnackbar(); } } public void updateMessages() { synchronized (this.messageList) { if (getView() == null) { return; } final ConversationActivity activity = (ConversationActivity) getActivity(); if (this.conversation != null) { conversation.populateWithMessages(ConversationFragment.this.messageList); updateSnackBar(conversation); updateStatusMessages(); this.messageListAdapter.notifyDataSetChanged(); updateChatMsgHint(); if (!activity.isConversationsOverviewVisable() || !activity.isConversationsOverviewHideable()) { activity.sendReadMarkerIfNecessary(conversation); } this.updateSendButton(); } } } protected void messageSent() { mSendingPgpMessage.set(false); mEditMessage.setText(""); if (conversation.setCorrectingMessage(null)) { mEditMessage.append(conversation.getDraftMessage()); conversation.setDraftMessage(null); } updateChatMsgHint(); new Handler().post(new Runnable() { @Override public void run() { int size = messageList.size(); messagesView.setSelection(size - 1); } }); } public void setFocusOnInputField() { mEditMessage.requestFocus(); } public void doneSendingPgpMessage() { mSendingPgpMessage.set(false); } enum SendButtonAction {TEXT, TAKE_PHOTO, SEND_LOCATION, RECORD_VOICE, CANCEL, CHOOSE_PICTURE} private int getSendButtonImageResource(SendButtonAction action, Presence.Status status) { switch (action) { case TEXT: switch (status) { case CHAT: case ONLINE: return R.drawable.ic_send_text_online; case AWAY: return R.drawable.ic_send_text_away; case XA: case DND: return R.drawable.ic_send_text_dnd; default: return activity.getThemeResource(R.attr.ic_send_text_offline, R.drawable.ic_send_text_offline); } case TAKE_PHOTO: switch (status) { case CHAT: case ONLINE: return R.drawable.ic_send_photo_online; case AWAY: return R.drawable.ic_send_photo_away; case XA: case DND: return R.drawable.ic_send_photo_dnd; default: return activity.getThemeResource(R.attr.ic_send_photo_offline, R.drawable.ic_send_photo_offline); } case RECORD_VOICE: switch (status) { case CHAT: case ONLINE: return R.drawable.ic_send_voice_online; case AWAY: return R.drawable.ic_send_voice_away; case XA: case DND: return R.drawable.ic_send_voice_dnd; default: return activity.getThemeResource(R.attr.ic_send_voice_offline, R.drawable.ic_send_voice_offline); } case SEND_LOCATION: switch (status) { case CHAT: case ONLINE: return R.drawable.ic_send_location_online; case AWAY: return R.drawable.ic_send_location_away; case XA: case DND: return R.drawable.ic_send_location_dnd; default: return activity.getThemeResource(R.attr.ic_send_location_offline, R.drawable.ic_send_location_offline); } case CANCEL: switch (status) { case CHAT: case ONLINE: return R.drawable.ic_send_cancel_online; case AWAY: return R.drawable.ic_send_cancel_away; case XA: case DND: return R.drawable.ic_send_cancel_dnd; default: return activity.getThemeResource(R.attr.ic_send_cancel_offline, R.drawable.ic_send_cancel_offline); } case CHOOSE_PICTURE: switch (status) { case CHAT: case ONLINE: return R.drawable.ic_send_picture_online; case AWAY: return R.drawable.ic_send_picture_away; case XA: case DND: return R.drawable.ic_send_picture_dnd; default: return activity.getThemeResource(R.attr.ic_send_picture_offline, R.drawable.ic_send_picture_offline); } } return activity.getThemeResource(R.attr.ic_send_text_offline, R.drawable.ic_send_text_offline); } public void updateSendButton() { final Conversation c = this.conversation; final SendButtonAction action; final Presence.Status status; final String text = this.mEditMessage == null ? "" : this.mEditMessage.getText().toString(); final boolean empty = text.length() == 0; final boolean conference = c.getMode() == Conversation.MODE_MULTI; if (c.getCorrectingMessage() != null && (empty || text.equals(c.getCorrectingMessage().getBody()))) { action = SendButtonAction.CANCEL; } else if (conference && !c.getAccount().httpUploadAvailable()) { if (empty && c.getNextCounterpart() != null) { action = SendButtonAction.CANCEL; } else { action = SendButtonAction.TEXT; } } else { if (empty) { if (conference && c.getNextCounterpart() != null) { action = SendButtonAction.CANCEL; } else { String setting = activity.getPreferences().getString("quick_action", "recent"); if (!setting.equals("none") && UIHelper.receivedLocationQuestion(conversation.getLatestMessage())) { setting = "location"; } else if (setting.equals("recent")) { setting = activity.getPreferences().getString("recently_used_quick_action", "text"); } switch (setting) { case "photo": action = SendButtonAction.TAKE_PHOTO; break; case "location": action = SendButtonAction.SEND_LOCATION; break; case "voice": action = SendButtonAction.RECORD_VOICE; break; case "picture": action = SendButtonAction.CHOOSE_PICTURE; break; default: action = SendButtonAction.TEXT; break; } } } else { action = SendButtonAction.TEXT; } } if (activity.useSendButtonToIndicateStatus() && c != null && c.getAccount().getStatus() == Account.State.ONLINE) { if (c.getMode() == Conversation.MODE_SINGLE) { status = c.getContact().getShownStatus(); } else { status = c.getMucOptions().online() ? Presence.Status.ONLINE : Presence.Status.OFFLINE; } } else { status = Presence.Status.OFFLINE; } this.mSendButton.setTag(action); this.mSendButton.setImageResource(getSendButtonImageResource(action, status)); } protected void updateStatusMessages() { synchronized (this.messageList) { if (showLoadMoreMessages(conversation)) { this.messageList.add(0, Message.createLoadMoreMessage(conversation)); } if (conversation.getMode() == Conversation.MODE_SINGLE) { ChatState state = conversation.getIncomingChatState(); if (state == ChatState.COMPOSING) { this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_is_typing, conversation.getName()))); } else if (state == ChatState.PAUSED) { this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_has_stopped_typing, conversation.getName()))); } else { for (int i = this.messageList.size() - 1; i >= 0; --i) { if (this.messageList.get(i).getStatus() == Message.STATUS_RECEIVED) { return; } else { if (this.messageList.get(i).getStatus() == Message.STATUS_SEND_DISPLAYED) { this.messageList.add(i + 1, Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, conversation.getName()))); return; } } } } } else { ChatState state = ChatState.COMPOSING; List users = conversation.getMucOptions().getUsersWithChatState(state,5); if (users.size() == 0) { state = ChatState.PAUSED; users = conversation.getMucOptions().getUsersWithChatState(state, 5); } if (users.size() > 0) { Message statusMessage; if (users.size() == 1) { MucOptions.User user = users.get(0); int id = state == ChatState.COMPOSING ? R.string.contact_is_typing : R.string.contact_has_stopped_typing; statusMessage = Message.createStatusMessage(conversation, getString(id, UIHelper.getDisplayName(user))); statusMessage.setTrueCounterpart(user.getRealJid()); statusMessage.setCounterpart(user.getFullJid()); } else { StringBuilder builder = new StringBuilder(); for(MucOptions.User user : users) { if (builder.length() != 0) { builder.append(", "); } builder.append(UIHelper.getDisplayName(user)); } int id = state == ChatState.COMPOSING ? R.string.contacts_are_typing : R.string.contacts_have_stopped_typing; statusMessage = Message.createStatusMessage(conversation, getString(id, builder.toString())); } this.messageList.add(statusMessage); } } } } private boolean showLoadMoreMessages(final Conversation c) { final boolean mam = hasMamSupport(c); final MessageArchiveService service = activity.xmppConnectionService.getMessageArchiveService(); return mam && (c.getLastClearHistory() != 0 || (c.countMessages() == 0 && c.messagesLoaded.get() && c.hasMessagesLeftOnServer() && !service.queryInProgress(c))); } private boolean hasMamSupport(final Conversation c) { if (c.getMode() == Conversation.MODE_SINGLE) { final XmppConnection connection = c.getAccount().getXmppConnection(); return connection != null && connection.getFeatures().mam(); } else { return c.getMucOptions().mamSupport(); } } protected void showSnackbar(final int message, final int action, final OnClickListener clickListener) { snackbar.setVisibility(View.VISIBLE); snackbar.setOnClickListener(null); snackbarMessage.setText(message); snackbarMessage.setOnClickListener(null); snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE); if (action != 0) { snackbarAction.setText(action); } snackbarAction.setOnClickListener(clickListener); } protected void hideSnackbar() { snackbar.setVisibility(View.GONE); } protected void sendPlainTextMessage(Message message) { ConversationActivity activity = (ConversationActivity) getActivity(); activity.xmppConnectionService.sendMessage(message); messageSent(); } private AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false); protected void sendPgpMessage(final Message message) { final ConversationActivity activity = (ConversationActivity) getActivity(); final XmppConnectionService xmppService = activity.xmppConnectionService; final Contact contact = message.getConversation().getContact(); if (!activity.hasPgp()) { activity.showInstallPgpDialog(); return; } if (conversation.getAccount().getPgpSignature() == null) { activity.announcePgp(conversation.getAccount(), conversation, activity.onOpenPGPKeyPublished); return; } if (!mSendingPgpMessage.compareAndSet(false,true)) { Log.d(Config.LOGTAG,"sending pgp message already in progress"); } if (conversation.getMode() == Conversation.MODE_SINGLE) { if (contact.getPgpKeyId() != 0) { xmppService.getPgpEngine().hasKey(contact, new UiCallback() { @Override public void userInputRequried(PendingIntent pi, Contact contact) { activity.runIntent( pi, ConversationActivity.REQUEST_ENCRYPT_MESSAGE); } @Override public void success(Contact contact) { activity.encryptTextMessage(message); } @Override public void error(int error, Contact contact) { activity.runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(activity, R.string.unable_to_connect_to_keychain, Toast.LENGTH_SHORT ).show(); } }); mSendingPgpMessage.set(false); } }); } else { showNoPGPKeyDialog(false, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { conversation .setNextEncryption(Message.ENCRYPTION_NONE); xmppService.updateConversation(conversation); message.setEncryption(Message.ENCRYPTION_NONE); xmppService.sendMessage(message); messageSent(); } }); } } else { if (conversation.getMucOptions().pgpKeysInUse()) { if (!conversation.getMucOptions().everybodyHasKeys()) { Toast warning = Toast .makeText(getActivity(), R.string.missing_public_keys, Toast.LENGTH_LONG); warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0); warning.show(); } activity.encryptTextMessage(message); } else { showNoPGPKeyDialog(true, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { conversation .setNextEncryption(Message.ENCRYPTION_NONE); message.setEncryption(Message.ENCRYPTION_NONE); xmppService.updateConversation(conversation); xmppService.sendMessage(message); messageSent(); } }); } } } public void showNoPGPKeyDialog(boolean plural, DialogInterface.OnClickListener listener) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setIconAttribute(android.R.attr.alertDialogIcon); if (plural) { builder.setTitle(getString(R.string.no_pgp_keys)); builder.setMessage(getText(R.string.contacts_have_no_pgp_keys)); } else { builder.setTitle(getString(R.string.no_pgp_key)); builder.setMessage(getText(R.string.contact_has_no_pgp_key)); } builder.setNegativeButton(getString(R.string.cancel), null); builder.setPositiveButton(getString(R.string.send_unencrypted), listener); builder.create().show(); } protected void sendAxolotlMessage(final Message message) { final ConversationActivity activity = (ConversationActivity) getActivity(); final XmppConnectionService xmppService = activity.xmppConnectionService; xmppService.sendMessage(message); messageSent(); } protected void sendOtrMessage(final Message message) { final ConversationActivity activity = (ConversationActivity) getActivity(); final XmppConnectionService xmppService = activity.xmppConnectionService; activity.selectPresence(message.getConversation(), new OnPresenceSelected() { @Override public void onPresenceSelected() { message.setCounterpart(conversation.getNextCounterpart()); xmppService.sendMessage(message); messageSent(); } }); } public void appendText(String text) { if (text == null) { return; } String previous = this.mEditMessage.getText().toString(); if (previous.length() != 0 && !previous.endsWith(" ")) { text = " " + text; } this.mEditMessage.append(text); } @Override public boolean onEnterPressed() { if (activity.enterIsSend()) { sendMessage(); return true; } else { return false; } } @Override public void onTypingStarted() { Account.State status = conversation.getAccount().getStatus(); if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.COMPOSING)) { activity.xmppConnectionService.sendChatState(conversation); } activity.hideConversationsOverview(); updateSendButton(); } @Override public void onTypingStopped() { Account.State status = conversation.getAccount().getStatus(); if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) { activity.xmppConnectionService.sendChatState(conversation); } } @Override public void onTextDeleted() { Account.State status = conversation.getAccount().getStatus(); if (status == Account.State.ONLINE && conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) { activity.xmppConnectionService.sendChatState(conversation); } updateSendButton(); } @Override public void onTextChanged() { if (conversation != null && conversation.getCorrectingMessage() != null) { updateSendButton(); } } private int completionIndex = 0; private int lastCompletionLength = 0; private String incomplete; private int lastCompletionCursor; private boolean firstWord = false; @Override public boolean onTabPressed(boolean repeated) { if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) { return false; } if (repeated) { completionIndex++; } else { lastCompletionLength = 0; completionIndex = 0; final String content = mEditMessage.getText().toString(); lastCompletionCursor = mEditMessage.getSelectionEnd(); int start = lastCompletionCursor > 0 ? content.lastIndexOf(" ",lastCompletionCursor-1) + 1 : 0; firstWord = start == 0; incomplete = content.substring(start,lastCompletionCursor); } List completions = new ArrayList<>(); for(MucOptions.User user : conversation.getMucOptions().getUsers()) { String name = user.getName(); if (name != null && name.startsWith(incomplete)) { completions.add(name+(firstWord ? ": " : " ")); } } Collections.sort(completions); if (completions.size() > completionIndex) { String completion = completions.get(completionIndex).substring(incomplete.length()); mEditMessage.getEditableText().delete(lastCompletionCursor,lastCompletionCursor + lastCompletionLength); mEditMessage.getEditableText().insert(lastCompletionCursor, completion); lastCompletionLength = completion.length(); } else { completionIndex = -1; mEditMessage.getEditableText().delete(lastCompletionCursor,lastCompletionCursor + lastCompletionLength); lastCompletionLength = 0; } return true; } @Override public void onActivityResult(int requestCode, int resultCode, final Intent data) { if (resultCode == Activity.RESULT_OK) { if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) { activity.getSelectedConversation().getAccount().getPgpDecryptionService().continueDecryption(true); } else if (requestCode == ConversationActivity.REQUEST_TRUST_KEYS_TEXT) { final String body = mEditMessage.getText().toString(); Message message = new Message(conversation, body, conversation.getNextEncryption()); sendAxolotlMessage(message); } else if (requestCode == ConversationActivity.REQUEST_TRUST_KEYS_MENU) { int choice = data.getIntExtra("choice", ConversationActivity.ATTACHMENT_CHOICE_INVALID); activity.selectPresenceToAttachFile(choice, conversation.getNextEncryption()); } } } }