ConversationFragment.java

   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.os.Handler;
  14import android.os.SystemClock;
  15import android.support.v13.view.inputmethod.InputConnectionCompat;
  16import android.support.v13.view.inputmethod.InputContentInfoCompat;
  17import android.text.Editable;
  18import android.text.InputType;
  19import android.util.Log;
  20import android.util.Pair;
  21import android.view.ContextMenu;
  22import android.view.ContextMenu.ContextMenuInfo;
  23import android.view.Gravity;
  24import android.view.KeyEvent;
  25import android.view.LayoutInflater;
  26import android.view.MenuItem;
  27import android.view.MotionEvent;
  28import android.view.View;
  29import android.view.View.OnClickListener;
  30import android.view.ViewGroup;
  31import android.view.inputmethod.EditorInfo;
  32import android.view.inputmethod.InputMethodManager;
  33import android.widget.AbsListView;
  34import android.widget.AbsListView.OnScrollListener;
  35import android.widget.AdapterView;
  36import android.widget.AdapterView.AdapterContextMenuInfo;
  37import android.widget.ImageButton;
  38import android.widget.ListView;
  39import android.widget.PopupMenu;
  40import android.widget.RelativeLayout;
  41import android.widget.TextView;
  42import android.widget.TextView.OnEditorActionListener;
  43import android.widget.Toast;
  44
  45import net.java.otr4j.session.SessionStatus;
  46
  47import java.util.ArrayList;
  48import java.util.Arrays;
  49import java.util.Collections;
  50import java.util.HashSet;
  51import java.util.List;
  52import java.util.Set;
  53import java.util.UUID;
  54import java.util.concurrent.atomic.AtomicBoolean;
  55
  56import eu.siacs.conversations.Config;
  57import eu.siacs.conversations.R;
  58import eu.siacs.conversations.entities.Account;
  59import eu.siacs.conversations.entities.Blockable;
  60import eu.siacs.conversations.entities.Contact;
  61import eu.siacs.conversations.entities.Conversation;
  62import eu.siacs.conversations.entities.DownloadableFile;
  63import eu.siacs.conversations.entities.Message;
  64import eu.siacs.conversations.entities.MucOptions;
  65import eu.siacs.conversations.entities.Presence;
  66import eu.siacs.conversations.entities.ReadByMarker;
  67import eu.siacs.conversations.entities.Transferable;
  68import eu.siacs.conversations.entities.TransferablePlaceholder;
  69import eu.siacs.conversations.http.HttpDownloadConnection;
  70import eu.siacs.conversations.persistance.FileBackend;
  71import eu.siacs.conversations.services.MessageArchiveService;
  72import eu.siacs.conversations.services.XmppConnectionService;
  73import eu.siacs.conversations.ui.XmppActivity.OnPresenceSelected;
  74import eu.siacs.conversations.ui.XmppActivity.OnValueEdited;
  75import eu.siacs.conversations.ui.adapter.MessageAdapter;
  76import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureClicked;
  77import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureLongClicked;
  78import eu.siacs.conversations.ui.widget.EditMessage;
  79import eu.siacs.conversations.utils.MessageUtils;
  80import eu.siacs.conversations.utils.NickValidityChecker;
  81import eu.siacs.conversations.utils.StylingHelper;
  82import eu.siacs.conversations.utils.UIHelper;
  83import eu.siacs.conversations.xmpp.XmppConnection;
  84import eu.siacs.conversations.xmpp.chatstate.ChatState;
  85import eu.siacs.conversations.xmpp.jid.Jid;
  86
  87public class ConversationFragment extends Fragment implements EditMessage.KeyboardListener {
  88
  89	final protected List<Message> messageList = new ArrayList<>();
  90	protected Conversation conversation;
  91	protected ListView messagesView;
  92	protected MessageAdapter messageListAdapter;
  93	private EditMessage mEditMessage;
  94	private ImageButton mSendButton;
  95	private RelativeLayout snackbar;
  96	private TextView snackbarMessage;
  97	private TextView snackbarAction;
  98	private Toast messageLoaderToast;
  99	private OnClickListener clickToMuc = new OnClickListener() {
 100
 101		@Override
 102		public void onClick(View v) {
 103			Intent intent = new Intent(getActivity(), ConferenceDetailsActivity.class);
 104			intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
 105			intent.putExtra("uuid", conversation.getUuid());
 106			startActivity(intent);
 107		}
 108	};
 109	private ConversationActivity activity;
 110	private OnClickListener leaveMuc = new OnClickListener() {
 111
 112		@Override
 113		public void onClick(View v) {
 114			activity.endConversation(conversation);
 115		}
 116	};
 117	private OnClickListener joinMuc = new OnClickListener() {
 118
 119		@Override
 120		public void onClick(View v) {
 121			activity.xmppConnectionService.joinMuc(conversation);
 122		}
 123	};
 124	private OnClickListener enterPassword = new OnClickListener() {
 125
 126		@Override
 127		public void onClick(View v) {
 128			MucOptions muc = conversation.getMucOptions();
 129			String password = muc.getPassword();
 130			if (password == null) {
 131				password = "";
 132			}
 133			activity.quickPasswordEdit(password, new OnValueEdited() {
 134
 135				@Override
 136				public String onValueEdited(String value) {
 137					activity.xmppConnectionService.providePasswordForMuc(conversation, value);
 138					return null;
 139				}
 140			});
 141		}
 142	};
 143	private OnScrollListener mOnScrollListener = new OnScrollListener() {
 144
 145		@Override
 146		public void onScrollStateChanged(AbsListView view, int scrollState) {
 147			// TODO Auto-generated method stub
 148
 149		}
 150
 151		@Override
 152		public void onScroll(final AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
 153			synchronized (ConversationFragment.this.messageList) {
 154				if (firstVisibleItem < 5 && conversation != null && conversation.messagesLoaded.compareAndSet(true, false) && messageList.size() > 0) {
 155					long timestamp;
 156					if (messageList.get(0).getType() == Message.TYPE_STATUS && messageList.size() >= 2) {
 157						timestamp = messageList.get(1).getTimeSent();
 158					} else {
 159						timestamp = messageList.get(0).getTimeSent();
 160					}
 161					activity.xmppConnectionService.loadMoreMessages(conversation, timestamp, new XmppConnectionService.OnMoreMessagesLoaded() {
 162						@Override
 163						public void onMoreMessagesLoaded(final int c, final Conversation conversation) {
 164							if (ConversationFragment.this.conversation != conversation) {
 165								conversation.messagesLoaded.set(true);
 166								return;
 167							}
 168							activity.runOnUiThread(new Runnable() {
 169								@Override
 170								public void run() {
 171									final int oldPosition = messagesView.getFirstVisiblePosition();
 172									Message message = null;
 173									int childPos;
 174									for (childPos = 0; childPos + oldPosition < messageList.size(); ++childPos) {
 175										message = messageList.get(oldPosition + childPos);
 176										if (message.getType() != Message.TYPE_STATUS) {
 177											break;
 178										}
 179									}
 180									final String uuid = message != null ? message.getUuid() : null;
 181									View v = messagesView.getChildAt(childPos);
 182									final int pxOffset = (v == null) ? 0 : v.getTop();
 183									ConversationFragment.this.conversation.populateWithMessages(ConversationFragment.this.messageList);
 184									try {
 185										updateStatusMessages();
 186									} catch (IllegalStateException e) {
 187										Log.d(Config.LOGTAG, "caught illegal state exception while updating status messages");
 188									}
 189									messageListAdapter.notifyDataSetChanged();
 190									int pos = Math.max(getIndexOf(uuid, messageList), 0);
 191									messagesView.setSelectionFromTop(pos, pxOffset);
 192									if (messageLoaderToast != null) {
 193										messageLoaderToast.cancel();
 194									}
 195									conversation.messagesLoaded.set(true);
 196								}
 197							});
 198						}
 199
 200						@Override
 201						public void informUser(final int resId) {
 202
 203							activity.runOnUiThread(new Runnable() {
 204								@Override
 205								public void run() {
 206									if (messageLoaderToast != null) {
 207										messageLoaderToast.cancel();
 208									}
 209									if (ConversationFragment.this.conversation != conversation) {
 210										return;
 211									}
 212									messageLoaderToast = Toast.makeText(view.getContext(), resId, Toast.LENGTH_LONG);
 213									messageLoaderToast.show();
 214								}
 215							});
 216
 217						}
 218					});
 219
 220				}
 221			}
 222		}
 223	};
 224	protected OnClickListener clickToVerify = new OnClickListener() {
 225
 226		@Override
 227		public void onClick(View v) {
 228			activity.verifyOtrSessionDialog(conversation, v);
 229		}
 230	};
 231	private EditMessage.OnCommitContentListener mEditorContentListener = new EditMessage.OnCommitContentListener() {
 232		@Override
 233		public boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags, Bundle opts, String[] contentMimeTypes) {
 234			// try to get permission to read the image, if applicable
 235			if ((flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION) != 0) {
 236				try {
 237					inputContentInfo.requestPermission();
 238				} catch (Exception e) {
 239					Log.e(Config.LOGTAG, "InputContentInfoCompat#requestPermission() failed.", e);
 240					Toast.makeText(
 241							activity,
 242							activity.getString(R.string.no_permission_to_access_x, inputContentInfo.getDescription()),
 243							Toast.LENGTH_LONG
 244					).show();
 245					return false;
 246				}
 247			}
 248			if (activity.hasStoragePermission(ConversationActivity.REQUEST_ADD_EDITOR_CONTENT)) {
 249				activity.attachImageToConversation(inputContentInfo.getContentUri());
 250			} else {
 251				activity.mPendingEditorContent = inputContentInfo.getContentUri();
 252			}
 253			return true;
 254		}
 255	};
 256	private Message selectedMessage;
 257	private OnClickListener mEnableAccountListener = new OnClickListener() {
 258		@Override
 259		public void onClick(View v) {
 260			final Account account = conversation == null ? null : conversation.getAccount();
 261			if (account != null) {
 262				account.setOption(Account.OPTION_DISABLED, false);
 263				activity.xmppConnectionService.updateAccount(account);
 264			}
 265		}
 266	};
 267	private OnClickListener mUnblockClickListener = new OnClickListener() {
 268		@Override
 269		public void onClick(final View v) {
 270			v.post(new Runnable() {
 271				@Override
 272				public void run() {
 273					v.setVisibility(View.INVISIBLE);
 274				}
 275			});
 276			if (conversation.isDomainBlocked()) {
 277				BlockContactDialog.show(activity, conversation);
 278			} else {
 279				activity.unblockConversation(conversation);
 280			}
 281		}
 282	};
 283	private OnClickListener mBlockClickListener = new OnClickListener() {
 284		@Override
 285		public void onClick(final View view) {
 286			showBlockSubmenu(view);
 287		}
 288	};
 289	private OnClickListener mAddBackClickListener = new OnClickListener() {
 290
 291		@Override
 292		public void onClick(View v) {
 293			final Contact contact = conversation == null ? null : conversation.getContact();
 294			if (contact != null) {
 295				activity.xmppConnectionService.createContact(contact);
 296				activity.switchToContactDetails(contact);
 297			}
 298		}
 299	};
 300	private View.OnLongClickListener mLongPressBlockListener = new View.OnLongClickListener() {
 301		@Override
 302		public boolean onLongClick(View v) {
 303			showBlockSubmenu(v);
 304			return true;
 305		}
 306	};
 307	private OnClickListener mAllowPresenceSubscription = new OnClickListener() {
 308		@Override
 309		public void onClick(View v) {
 310			final Contact contact = conversation == null ? null : conversation.getContact();
 311			if (contact != null) {
 312				activity.xmppConnectionService.sendPresencePacket(contact.getAccount(),
 313						activity.xmppConnectionService.getPresenceGenerator()
 314								.sendPresenceUpdatesTo(contact));
 315				hideSnackbar();
 316			}
 317		}
 318	};
 319	private OnClickListener mAnswerSmpClickListener = new OnClickListener() {
 320		@Override
 321		public void onClick(View view) {
 322			Intent intent = new Intent(activity, VerifyOTRActivity.class);
 323			intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
 324			intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
 325			intent.putExtra(VerifyOTRActivity.EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
 326			intent.putExtra("mode", VerifyOTRActivity.MODE_ANSWER_QUESTION);
 327			startActivity(intent);
 328		}
 329	};
 330	protected OnClickListener clickToDecryptListener = new OnClickListener() {
 331
 332		@Override
 333		public void onClick(View v) {
 334			PendingIntent pendingIntent = conversation.getAccount().getPgpDecryptionService().getPendingIntent();
 335			if (pendingIntent != null) {
 336				try {
 337					activity.startIntentSenderForResult(pendingIntent.getIntentSender(),
 338							ConversationActivity.REQUEST_DECRYPT_PGP,
 339							null,
 340							0,
 341							0,
 342							0);
 343				} catch (SendIntentException e) {
 344					Toast.makeText(activity, R.string.unable_to_connect_to_keychain, Toast.LENGTH_SHORT).show();
 345					conversation.getAccount().getPgpDecryptionService().continueDecryption(true);
 346				}
 347			}
 348			updateSnackBar(conversation);
 349		}
 350	};
 351	private AtomicBoolean mSendingPgpMessage = new AtomicBoolean(false);
 352	private OnEditorActionListener mEditorActionListener = new OnEditorActionListener() {
 353
 354		@Override
 355		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 356			if (actionId == EditorInfo.IME_ACTION_SEND) {
 357				InputMethodManager imm = (InputMethodManager) v.getContext()
 358						.getSystemService(Context.INPUT_METHOD_SERVICE);
 359				if (imm.isFullscreenMode()) {
 360					imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
 361				}
 362				sendMessage();
 363				return true;
 364			} else {
 365				return false;
 366			}
 367		}
 368	};
 369	private OnClickListener mSendButtonListener = new OnClickListener() {
 370
 371		@Override
 372		public void onClick(View v) {
 373			Object tag = v.getTag();
 374			if (tag instanceof SendButtonAction) {
 375				SendButtonAction action = (SendButtonAction) tag;
 376				switch (action) {
 377					case TAKE_PHOTO:
 378						activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_TAKE_PHOTO);
 379						break;
 380					case RECORD_VIDEO:
 381						activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_RECORD_VIDEO);
 382						break;
 383					case SEND_LOCATION:
 384						activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_LOCATION);
 385						break;
 386					case RECORD_VOICE:
 387						activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_RECORD_VOICE);
 388						break;
 389					case CHOOSE_PICTURE:
 390						activity.attachFile(ConversationActivity.ATTACHMENT_CHOICE_CHOOSE_IMAGE);
 391						break;
 392					case CANCEL:
 393						if (conversation != null) {
 394							if (conversation.setCorrectingMessage(null)) {
 395								mEditMessage.setText("");
 396								mEditMessage.append(conversation.getDraftMessage());
 397								conversation.setDraftMessage(null);
 398							} else if (conversation.getMode() == Conversation.MODE_MULTI) {
 399								conversation.setNextCounterpart(null);
 400							}
 401							updateChatMsgHint();
 402							updateSendButton();
 403							updateEditablity();
 404						}
 405						break;
 406					default:
 407						sendMessage();
 408				}
 409			} else {
 410				sendMessage();
 411			}
 412		}
 413	};
 414	private int completionIndex = 0;
 415	private int lastCompletionLength = 0;
 416	private String incomplete;
 417	private int lastCompletionCursor;
 418	private boolean firstWord = false;
 419
 420	private int getIndexOf(String uuid, List<Message> messages) {
 421		if (uuid == null) {
 422			return messages.size() - 1;
 423		}
 424		for (int i = 0; i < messages.size(); ++i) {
 425			if (uuid.equals(messages.get(i).getUuid())) {
 426				return i;
 427			} else {
 428				Message next = messages.get(i);
 429				while (next != null && next.wasMergedIntoPrevious()) {
 430					if (uuid.equals(next.getUuid())) {
 431						return i;
 432					}
 433					next = next.next();
 434				}
 435
 436			}
 437		}
 438		return -1;
 439	}
 440
 441	public Pair<Integer, Integer> getScrollPosition() {
 442		if (this.messagesView.getCount() == 0 ||
 443				this.messagesView.getLastVisiblePosition() == this.messagesView.getCount() - 1) {
 444			return null;
 445		} else {
 446			final int pos = messagesView.getFirstVisiblePosition();
 447			final View view = messagesView.getChildAt(0);
 448			if (view == null) {
 449				return null;
 450			} else {
 451				return new Pair<>(pos, view.getTop());
 452			}
 453		}
 454	}
 455
 456	public void setScrollPosition(Pair<Integer, Integer> scrollPosition) {
 457		if (scrollPosition != null) {
 458			this.messagesView.setSelectionFromTop(scrollPosition.first, scrollPosition.second);
 459		}
 460	}
 461
 462	private void sendMessage() {
 463		final String body = mEditMessage.getText().toString();
 464		final Conversation conversation = this.conversation;
 465		if (body.length() == 0 || conversation == null) {
 466			return;
 467		}
 468		final Message message;
 469		if (conversation.getCorrectingMessage() == null) {
 470			message = new Message(conversation, body, conversation.getNextEncryption());
 471			if (conversation.getMode() == Conversation.MODE_MULTI) {
 472				final Jid nextCounterpart = conversation.getNextCounterpart();
 473				if (nextCounterpart != null) {
 474					message.setCounterpart(nextCounterpart);
 475					message.setTrueCounterpart(conversation.getMucOptions().getTrueCounterpart(nextCounterpart));
 476					message.setType(Message.TYPE_PRIVATE);
 477				}
 478			}
 479		} else {
 480			message = conversation.getCorrectingMessage();
 481			message.setBody(body);
 482			message.setEdited(message.getUuid());
 483			message.setUuid(UUID.randomUUID().toString());
 484		}
 485		switch (message.getConversation().getNextEncryption()) {
 486			case Message.ENCRYPTION_OTR:
 487				sendOtrMessage(message);
 488				break;
 489			case Message.ENCRYPTION_PGP:
 490				sendPgpMessage(message);
 491				break;
 492			case Message.ENCRYPTION_AXOLOTL:
 493				if (!activity.trustKeysIfNeeded(ConversationActivity.REQUEST_TRUST_KEYS_TEXT)) {
 494					sendAxolotlMessage(message);
 495				}
 496				break;
 497			default:
 498				sendPlainTextMessage(message);
 499		}
 500	}
 501
 502	public void updateChatMsgHint() {
 503		final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
 504		if (conversation.getCorrectingMessage() != null) {
 505			this.mEditMessage.setHint(R.string.send_corrected_message);
 506		} else if (multi && conversation.getNextCounterpart() != null) {
 507			this.mEditMessage.setHint(getString(
 508					R.string.send_private_message_to,
 509					conversation.getNextCounterpart().getResourcepart()));
 510		} else if (multi && !conversation.getMucOptions().participating()) {
 511			this.mEditMessage.setHint(R.string.you_are_not_participating);
 512		} else {
 513			this.mEditMessage.setHint(UIHelper.getMessageHint(activity, conversation));
 514			getActivity().invalidateOptionsMenu();
 515		}
 516	}
 517
 518	public void setupIme() {
 519		if (activity != null) {
 520			if (activity.usingEnterKey() && activity.enterIsSend()) {
 521				mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_FLAG_MULTI_LINE));
 522				mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
 523			} else if (activity.usingEnterKey()) {
 524				mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE);
 525				mEditMessage.setInputType(mEditMessage.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
 526			} else {
 527				mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE);
 528				mEditMessage.setInputType(mEditMessage.getInputType() | InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE);
 529			}
 530		}
 531	}
 532
 533	@Override
 534	public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 535		final View view = inflater.inflate(R.layout.fragment_conversation, container, false);
 536		view.setOnClickListener(null);
 537
 538		mEditMessage = (EditMessage) view.findViewById(R.id.textinput);
 539		mEditMessage.setOnClickListener(new OnClickListener() {
 540
 541			@Override
 542			public void onClick(View v) {
 543				if (activity != null) {
 544					activity.hideConversationsOverview();
 545				}
 546			}
 547		});
 548
 549		mEditMessage.addTextChangedListener(new StylingHelper.MessageEditorStyler(mEditMessage));
 550
 551		mEditMessage.setOnEditorActionListener(mEditorActionListener);
 552		mEditMessage.setRichContentListener(new String[]{"image/*"}, mEditorContentListener);
 553
 554		mSendButton = (ImageButton) view.findViewById(R.id.textSendButton);
 555		mSendButton.setOnClickListener(this.mSendButtonListener);
 556
 557		snackbar = (RelativeLayout) view.findViewById(R.id.snackbar);
 558		snackbarMessage = (TextView) view.findViewById(R.id.snackbar_message);
 559		snackbarAction = (TextView) view.findViewById(R.id.snackbar_action);
 560
 561		messagesView = (ListView) view.findViewById(R.id.messages_view);
 562		messagesView.setOnScrollListener(mOnScrollListener);
 563		messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
 564		messageListAdapter = new MessageAdapter((ConversationActivity) getActivity(), this.messageList);
 565		messageListAdapter.setOnContactPictureClicked(new OnContactPictureClicked() {
 566
 567			@Override
 568			public void onContactPictureClicked(Message message) {
 569				if (message.getStatus() <= Message.STATUS_RECEIVED) {
 570					if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
 571						Jid user = message.getCounterpart();
 572						if (user != null && !user.isBareJid()) {
 573							if (!message.getConversation().getMucOptions().isUserInRoom(user)) {
 574								Toast.makeText(activity, activity.getString(R.string.user_has_left_conference, user.getResourcepart()), Toast.LENGTH_SHORT).show();
 575							}
 576							highlightInConference(user.getResourcepart());
 577						}
 578					} else {
 579						if (!message.getContact().isSelf()) {
 580							String fingerprint;
 581							if (message.getEncryption() == Message.ENCRYPTION_PGP
 582									|| message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 583								fingerprint = "pgp";
 584							} else {
 585								fingerprint = message.getFingerprint();
 586							}
 587							activity.switchToContactDetails(message.getContact(), fingerprint);
 588						}
 589					}
 590				} else {
 591					Account account = message.getConversation().getAccount();
 592					Intent intent;
 593					if (activity.manuallyChangePresence()) {
 594						intent = new Intent(activity, SetPresenceActivity.class);
 595						intent.putExtra(SetPresenceActivity.EXTRA_ACCOUNT, account.getJid().toBareJid().toString());
 596					} else {
 597						intent = new Intent(activity, EditAccountActivity.class);
 598						intent.putExtra("jid", account.getJid().toBareJid().toString());
 599						String fingerprint;
 600						if (message.getEncryption() == Message.ENCRYPTION_PGP
 601								|| message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 602							fingerprint = "pgp";
 603						} else if (message.getEncryption() == Message.ENCRYPTION_OTR) {
 604							fingerprint = "otr";
 605						} else {
 606							fingerprint = message.getFingerprint();
 607						}
 608						intent.putExtra("fingerprint", fingerprint);
 609					}
 610					startActivity(intent);
 611				}
 612			}
 613		});
 614		messageListAdapter.setOnContactPictureLongClicked(message -> {
 615			if (message.getStatus() <= Message.STATUS_RECEIVED) {
 616				if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
 617					final MucOptions mucOptions = conversation.getMucOptions();
 618					if (!mucOptions.allowPm()) {
 619						Toast.makeText(activity, R.string.private_messages_are_disabled, Toast.LENGTH_SHORT).show();
 620						return;
 621					}
 622					Jid user = message.getCounterpart();
 623					if (user != null && !user.isBareJid()) {
 624						if (mucOptions.isUserInRoom(user)) {
 625							privateMessageWith(user);
 626						} else {
 627							Toast.makeText(activity, activity.getString(R.string.user_has_left_conference, user.getResourcepart()), Toast.LENGTH_SHORT).show();
 628						}
 629					}
 630				}
 631			} else {
 632				activity.showQrCode();
 633			}
 634		});
 635		messageListAdapter.setOnQuoteListener(text -> quoteText(text));
 636		messagesView.setAdapter(messageListAdapter);
 637
 638		registerForContextMenu(messagesView);
 639
 640		return view;
 641	}
 642
 643	private void quoteText(String text) {
 644		if (mEditMessage.isEnabled()) {
 645			text = text.replaceAll("(\n *){2,}", "\n").replaceAll("(^|\n)", "$1> ").replaceAll("\n$", "");
 646			Editable editable = mEditMessage.getEditableText();
 647			int position = mEditMessage.getSelectionEnd();
 648			if (position == -1) position = editable.length();
 649			if (position > 0 && editable.charAt(position - 1) != '\n') {
 650				editable.insert(position++, "\n");
 651			}
 652			editable.insert(position, text);
 653			position += text.length();
 654			editable.insert(position++, "\n");
 655			if (position < editable.length() && editable.charAt(position) != '\n') {
 656				editable.insert(position, "\n");
 657			}
 658			mEditMessage.setSelection(position);
 659			mEditMessage.requestFocus();
 660			InputMethodManager inputMethodManager = (InputMethodManager) getActivity()
 661					.getSystemService(Context.INPUT_METHOD_SERVICE);
 662			if (inputMethodManager != null) {
 663				inputMethodManager.showSoftInput(mEditMessage, InputMethodManager.SHOW_IMPLICIT);
 664			}
 665		}
 666	}
 667
 668	private void quoteMessage(Message message) {
 669		quoteText(MessageUtils.prepareQuote(message));
 670	}
 671
 672	@Override
 673	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
 674		synchronized (this.messageList) {
 675			super.onCreateContextMenu(menu, v, menuInfo);
 676			AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
 677			this.selectedMessage = this.messageList.get(acmi.position);
 678			populateContextMenu(menu);
 679		}
 680	}
 681
 682	private void populateContextMenu(ContextMenu menu) {
 683		final Message m = this.selectedMessage;
 684		final Transferable t = m.getTransferable();
 685		Message relevantForCorrection = m;
 686		while (relevantForCorrection.mergeable(relevantForCorrection.next())) {
 687			relevantForCorrection = relevantForCorrection.next();
 688		}
 689		if (m.getType() != Message.TYPE_STATUS) {
 690			final boolean treatAsFile = m.getType() != Message.TYPE_TEXT
 691					&& m.getType() != Message.TYPE_PRIVATE
 692					&& t == null;
 693			final boolean encrypted = m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED
 694					|| m.getEncryption() == Message.ENCRYPTION_PGP;
 695			activity.getMenuInflater().inflate(R.menu.message_context, menu);
 696			menu.setHeaderTitle(R.string.message_options);
 697			MenuItem copyMessage = menu.findItem(R.id.copy_message);
 698			MenuItem quoteMessage = menu.findItem(R.id.quote_message);
 699			MenuItem retryDecryption = menu.findItem(R.id.retry_decryption);
 700			MenuItem correctMessage = menu.findItem(R.id.correct_message);
 701			MenuItem shareWith = menu.findItem(R.id.share_with);
 702			MenuItem sendAgain = menu.findItem(R.id.send_again);
 703			MenuItem copyUrl = menu.findItem(R.id.copy_url);
 704			MenuItem downloadFile = menu.findItem(R.id.download_file);
 705			MenuItem cancelTransmission = menu.findItem(R.id.cancel_transmission);
 706			MenuItem deleteFile = menu.findItem(R.id.delete_file);
 707			MenuItem showErrorMessage = menu.findItem(R.id.show_error_message);
 708			if (!treatAsFile && !encrypted && !m.isGeoUri() && !m.treatAsDownloadable()) {
 709				copyMessage.setVisible(true);
 710				quoteMessage.setVisible(MessageUtils.prepareQuote(m).length() > 0);
 711			}
 712			if (m.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
 713				retryDecryption.setVisible(true);
 714			}
 715			if (relevantForCorrection.getType() == Message.TYPE_TEXT
 716					&& relevantForCorrection.isLastCorrectableMessage()
 717					&& (m.getConversation().getMucOptions().nonanonymous() || m.getConversation().getMode() == Conversation.MODE_SINGLE)) {
 718				correctMessage.setVisible(true);
 719			}
 720			if (treatAsFile || (m.getType() == Message.TYPE_TEXT && !m.treatAsDownloadable())) {
 721				shareWith.setVisible(true);
 722			}
 723			if (m.getStatus() == Message.STATUS_SEND_FAILED) {
 724				sendAgain.setVisible(true);
 725			}
 726			if (m.hasFileOnRemoteHost()
 727					|| m.isGeoUri()
 728					|| m.treatAsDownloadable()
 729					|| (t != null && t instanceof HttpDownloadConnection)) {
 730				copyUrl.setVisible(true);
 731			}
 732			if ((m.isFileOrImage() && t instanceof TransferablePlaceholder && m.hasFileOnRemoteHost())) {
 733				downloadFile.setVisible(true);
 734				downloadFile.setTitle(activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, m)));
 735			}
 736			boolean waitingOfferedSending = m.getStatus() == Message.STATUS_WAITING
 737					|| m.getStatus() == Message.STATUS_UNSEND
 738					|| m.getStatus() == Message.STATUS_OFFERED;
 739			if ((t != null && !(t instanceof TransferablePlaceholder)) || waitingOfferedSending && m.needsUploading()) {
 740				cancelTransmission.setVisible(true);
 741			}
 742			if (treatAsFile) {
 743				String path = m.getRelativeFilePath();
 744				if (path == null || !path.startsWith("/")) {
 745					deleteFile.setVisible(true);
 746					deleteFile.setTitle(activity.getString(R.string.delete_x_file, UIHelper.getFileDescriptionString(activity, m)));
 747				}
 748			}
 749			if (m.getStatus() == Message.STATUS_SEND_FAILED && m.getErrorMessage() != null) {
 750				showErrorMessage.setVisible(true);
 751			}
 752		}
 753	}
 754
 755	@Override
 756	public boolean onContextItemSelected(MenuItem item) {
 757		switch (item.getItemId()) {
 758			case R.id.share_with:
 759				shareWith(selectedMessage);
 760				return true;
 761			case R.id.correct_message:
 762				correctMessage(selectedMessage);
 763				return true;
 764			case R.id.copy_message:
 765				copyMessage(selectedMessage);
 766				return true;
 767			case R.id.quote_message:
 768				quoteMessage(selectedMessage);
 769				return true;
 770			case R.id.send_again:
 771				resendMessage(selectedMessage);
 772				return true;
 773			case R.id.copy_url:
 774				copyUrl(selectedMessage);
 775				return true;
 776			case R.id.download_file:
 777				downloadFile(selectedMessage);
 778				return true;
 779			case R.id.cancel_transmission:
 780				cancelTransmission(selectedMessage);
 781				return true;
 782			case R.id.retry_decryption:
 783				retryDecryption(selectedMessage);
 784				return true;
 785			case R.id.delete_file:
 786				deleteFile(selectedMessage);
 787				return true;
 788			case R.id.show_error_message:
 789				showErrorMessage(selectedMessage);
 790				return true;
 791			default:
 792				return super.onContextItemSelected(item);
 793		}
 794	}
 795
 796	private void showErrorMessage(final Message message) {
 797		AlertDialog.Builder builder = new AlertDialog.Builder(activity);
 798		builder.setTitle(R.string.error_message);
 799		builder.setMessage(message.getErrorMessage());
 800		builder.setPositiveButton(R.string.confirm, null);
 801		builder.create().show();
 802	}
 803
 804	private void shareWith(Message message) {
 805		Intent shareIntent = new Intent();
 806		shareIntent.setAction(Intent.ACTION_SEND);
 807		if (message.isGeoUri()) {
 808			shareIntent.putExtra(Intent.EXTRA_TEXT, message.getBody());
 809			shareIntent.setType("text/plain");
 810		} else if (!message.isFileOrImage()) {
 811			shareIntent.putExtra(Intent.EXTRA_TEXT, message.getMergedBody().toString());
 812			shareIntent.setType("text/plain");
 813		} else {
 814			final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
 815			try {
 816				shareIntent.putExtra(Intent.EXTRA_STREAM, FileBackend.getUriForFile(activity, file));
 817			} catch (SecurityException e) {
 818				Toast.makeText(activity, activity.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
 819				return;
 820			}
 821			shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 822			String mime = message.getMimeType();
 823			if (mime == null) {
 824				mime = "*/*";
 825			}
 826			shareIntent.setType(mime);
 827		}
 828		try {
 829			activity.startActivity(Intent.createChooser(shareIntent, getText(R.string.share_with)));
 830		} catch (ActivityNotFoundException e) {
 831			//This should happen only on faulty androids because normally chooser is always available
 832			Toast.makeText(activity, R.string.no_application_found_to_open_file, Toast.LENGTH_SHORT).show();
 833		}
 834	}
 835
 836	private void copyMessage(Message message) {
 837		if (activity.copyTextToClipboard(message.getMergedBody().toString(), R.string.message)) {
 838			Toast.makeText(activity, R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
 839		}
 840	}
 841
 842	private void deleteFile(Message message) {
 843		if (activity.xmppConnectionService.getFileBackend().deleteFile(message)) {
 844			message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
 845			activity.updateConversationList();
 846			updateMessages();
 847		}
 848	}
 849
 850	private void resendMessage(final Message message) {
 851		if (message.isFileOrImage()) {
 852			DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
 853			if (file.exists()) {
 854				final Conversation conversation = message.getConversation();
 855				final XmppConnection xmppConnection = conversation.getAccount().getXmppConnection();
 856				if (!message.hasFileOnRemoteHost()
 857						&& xmppConnection != null
 858						&& !xmppConnection.getFeatures().httpUpload(message.getFileParams().size)) {
 859					activity.selectPresence(conversation, new OnPresenceSelected() {
 860						@Override
 861						public void onPresenceSelected() {
 862							message.setCounterpart(conversation.getNextCounterpart());
 863							activity.xmppConnectionService.resendFailedMessages(message);
 864						}
 865					});
 866					return;
 867				}
 868			} else {
 869				Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
 870				message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
 871				activity.updateConversationList();
 872				updateMessages();
 873				return;
 874			}
 875		}
 876		activity.xmppConnectionService.resendFailedMessages(message);
 877	}
 878
 879	private void copyUrl(Message message) {
 880		final String url;
 881		final int resId;
 882		if (message.isGeoUri()) {
 883			resId = R.string.location;
 884			url = message.getBody();
 885		} else if (message.hasFileOnRemoteHost()) {
 886			resId = R.string.file_url;
 887			url = message.getFileParams().url.toString();
 888		} else {
 889			url = message.getBody().trim();
 890			resId = R.string.file_url;
 891		}
 892		if (activity.copyTextToClipboard(url, resId)) {
 893			Toast.makeText(activity, R.string.url_copied_to_clipboard,
 894					Toast.LENGTH_SHORT).show();
 895		}
 896	}
 897
 898	private void downloadFile(Message message) {
 899		activity.xmppConnectionService.getHttpConnectionManager().createNewDownloadConnection(message, true);
 900	}
 901
 902	private void cancelTransmission(Message message) {
 903		Transferable transferable = message.getTransferable();
 904		if (transferable != null) {
 905			transferable.cancel();
 906		} else if (message.getStatus() != Message.STATUS_RECEIVED) {
 907			activity.xmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED);
 908		}
 909	}
 910
 911	private void retryDecryption(Message message) {
 912		message.setEncryption(Message.ENCRYPTION_PGP);
 913		activity.updateConversationList();
 914		updateMessages();
 915		conversation.getAccount().getPgpDecryptionService().decrypt(message, false);
 916	}
 917
 918	protected void privateMessageWith(final Jid counterpart) {
 919		if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
 920			activity.xmppConnectionService.sendChatState(conversation);
 921		}
 922		this.mEditMessage.setText("");
 923		this.conversation.setNextCounterpart(counterpart);
 924		updateChatMsgHint();
 925		updateSendButton();
 926		updateEditablity();
 927	}
 928
 929	private void correctMessage(Message message) {
 930		while (message.mergeable(message.next())) {
 931			message = message.next();
 932		}
 933		this.conversation.setCorrectingMessage(message);
 934		final Editable editable = mEditMessage.getText();
 935		this.conversation.setDraftMessage(editable.toString());
 936		this.mEditMessage.setText("");
 937		this.mEditMessage.append(message.getBody());
 938
 939	}
 940
 941	protected void highlightInConference(String nick) {
 942		final Editable editable = mEditMessage.getText();
 943		String oldString = editable.toString().trim();
 944		final int pos = mEditMessage.getSelectionStart();
 945		if (oldString.isEmpty() || pos == 0) {
 946			editable.insert(0, nick + ": ");
 947		} else {
 948			final char before = editable.charAt(pos - 1);
 949			final char after = editable.length() > pos ? editable.charAt(pos) : '\0';
 950			if (before == '\n') {
 951				editable.insert(pos, nick + ": ");
 952			} else {
 953				if (pos > 2 && editable.subSequence(pos - 2, pos).toString().equals(": ")) {
 954					if (NickValidityChecker.check(conversation, Arrays.asList(editable.subSequence(0, pos - 2).toString().split(", ")))) {
 955						editable.insert(pos - 2, ", " + nick);
 956						return;
 957					}
 958				}
 959				editable.insert(pos, (Character.isWhitespace(before) ? "" : " ") + nick + (Character.isWhitespace(after) ? "" : " "));
 960				if (Character.isWhitespace(after)) {
 961					mEditMessage.setSelection(mEditMessage.getSelectionStart() + 1);
 962				}
 963			}
 964		}
 965	}
 966
 967	@Override
 968	public void onStop() {
 969		super.onStop();
 970		if (activity == null || !activity.isChangingConfigurations()) {
 971			messageListAdapter.stopAudioPlayer();
 972		}
 973		if (this.conversation != null) {
 974			final String msg = mEditMessage.getText().toString();
 975			if (this.conversation.setNextMessage(msg)) {
 976				activity.xmppConnectionService.updateConversation(this.conversation);
 977			}
 978			updateChatState(this.conversation, msg);
 979		}
 980	}
 981
 982	private void updateChatState(final Conversation conversation, final String msg) {
 983		ChatState state = msg.length() == 0 ? Config.DEFAULT_CHATSTATE : ChatState.PAUSED;
 984		Account.State status = conversation.getAccount().getStatus();
 985		if (status == Account.State.ONLINE && conversation.setOutgoingChatState(state)) {
 986			activity.xmppConnectionService.sendChatState(conversation);
 987		}
 988	}
 989
 990	public boolean reInit(Conversation conversation) {
 991		if (conversation == null) {
 992			return false;
 993		}
 994		this.activity = (ConversationActivity) getActivity();
 995		setupIme();
 996		if (this.conversation != null) {
 997			final String msg = mEditMessage.getText().toString();
 998			if (this.conversation.setNextMessage(msg)) {
 999				activity.xmppConnectionService.updateConversation(conversation);
1000			}
1001			if (this.conversation != conversation) {
1002				updateChatState(this.conversation, msg);
1003				messageListAdapter.stopAudioPlayer();
1004			}
1005			this.conversation.trim();
1006
1007		}
1008
1009		if (activity != null) {
1010			this.mSendButton.setContentDescription(activity.getString(R.string.send_message_to_x, conversation.getName()));
1011		}
1012
1013		this.conversation = conversation;
1014		this.mEditMessage.setKeyboardListener(null);
1015		this.mEditMessage.setText("");
1016		this.mEditMessage.append(this.conversation.getNextMessage());
1017		this.mEditMessage.setKeyboardListener(this);
1018		messageListAdapter.updatePreferences();
1019		this.messagesView.setAdapter(messageListAdapter);
1020		updateMessages();
1021		this.conversation.messagesLoaded.set(true);
1022		synchronized (this.messageList) {
1023			final Message first = conversation.getFirstUnreadMessage();
1024			final int bottom = Math.max(0, this.messageList.size() - 1);
1025			final int pos;
1026			if (first == null) {
1027				pos = bottom;
1028			} else {
1029				int i = getIndexOf(first.getUuid(), this.messageList);
1030				pos = i < 0 ? bottom : i;
1031			}
1032			messagesView.setSelection(pos);
1033			return pos == bottom;
1034		}
1035	}
1036
1037	private void showBlockSubmenu(View view) {
1038		final Jid jid = conversation.getJid();
1039		if (jid.isDomainJid()) {
1040			BlockContactDialog.show(activity, conversation);
1041		} else {
1042			PopupMenu popupMenu = new PopupMenu(activity, view);
1043			popupMenu.inflate(R.menu.block);
1044			popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
1045				@Override
1046				public boolean onMenuItemClick(MenuItem menuItem) {
1047					Blockable blockable;
1048					switch (menuItem.getItemId()) {
1049						case R.id.block_domain:
1050							blockable = conversation.getAccount().getRoster().getContact(jid.toDomainJid());
1051							break;
1052						default:
1053							blockable = conversation;
1054					}
1055					BlockContactDialog.show(activity, blockable);
1056					return true;
1057				}
1058			});
1059			popupMenu.show();
1060		}
1061	}
1062
1063	private void updateSnackBar(final Conversation conversation) {
1064		final Account account = conversation.getAccount();
1065		final XmppConnection connection = account.getXmppConnection();
1066		final int mode = conversation.getMode();
1067		final Contact contact = mode == Conversation.MODE_SINGLE ? conversation.getContact() : null;
1068		if (account.getStatus() == Account.State.DISABLED) {
1069			showSnackbar(R.string.this_account_is_disabled, R.string.enable, this.mEnableAccountListener);
1070		} else if (conversation.isBlocked()) {
1071			showSnackbar(R.string.contact_blocked, R.string.unblock, this.mUnblockClickListener);
1072		} else if (contact != null && !contact.showInRoster() && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1073			showSnackbar(R.string.contact_added_you, R.string.add_back, this.mAddBackClickListener, this.mLongPressBlockListener);
1074		} else if (contact != null && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1075			showSnackbar(R.string.contact_asks_for_presence_subscription, R.string.allow, this.mAllowPresenceSubscription, this.mLongPressBlockListener);
1076		} else if (mode == Conversation.MODE_MULTI
1077				&& !conversation.getMucOptions().online()
1078				&& account.getStatus() == Account.State.ONLINE) {
1079			switch (conversation.getMucOptions().getError()) {
1080				case NICK_IN_USE:
1081					showSnackbar(R.string.nick_in_use, R.string.edit, clickToMuc);
1082					break;
1083				case NO_RESPONSE:
1084					showSnackbar(R.string.joining_conference, 0, null);
1085					break;
1086				case SERVER_NOT_FOUND:
1087					if (conversation.receivedMessagesCount() > 0) {
1088						showSnackbar(R.string.remote_server_not_found, R.string.try_again, joinMuc);
1089					} else {
1090						showSnackbar(R.string.remote_server_not_found, R.string.leave, leaveMuc);
1091					}
1092					break;
1093				case PASSWORD_REQUIRED:
1094					showSnackbar(R.string.conference_requires_password, R.string.enter_password, enterPassword);
1095					break;
1096				case BANNED:
1097					showSnackbar(R.string.conference_banned, R.string.leave, leaveMuc);
1098					break;
1099				case MEMBERS_ONLY:
1100					showSnackbar(R.string.conference_members_only, R.string.leave, leaveMuc);
1101					break;
1102				case KICKED:
1103					showSnackbar(R.string.conference_kicked, R.string.join, joinMuc);
1104					break;
1105				case UNKNOWN:
1106					showSnackbar(R.string.conference_unknown_error, R.string.try_again, joinMuc);
1107					break;
1108				case INVALID_NICK:
1109					showSnackbar(R.string.invalid_muc_nick, R.string.edit, clickToMuc);
1110				case SHUTDOWN:
1111					showSnackbar(R.string.conference_shutdown, R.string.try_again, joinMuc);
1112					break;
1113				default:
1114					hideSnackbar();
1115					break;
1116			}
1117		} else if (account.hasPendingPgpIntent(conversation)) {
1118			showSnackbar(R.string.openpgp_messages_found, R.string.decrypt, clickToDecryptListener);
1119		} else if (mode == Conversation.MODE_SINGLE
1120				&& conversation.smpRequested()) {
1121			showSnackbar(R.string.smp_requested, R.string.verify, this.mAnswerSmpClickListener);
1122		} else if (mode == Conversation.MODE_SINGLE
1123				&& conversation.hasValidOtrSession()
1124				&& (conversation.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED)
1125				&& (!conversation.isOtrFingerprintVerified())) {
1126			showSnackbar(R.string.unknown_otr_fingerprint, R.string.verify, clickToVerify);
1127		} else if (connection != null
1128				&& connection.getFeatures().blocking()
1129				&& conversation.countMessages() != 0
1130				&& !conversation.isBlocked()
1131				&& conversation.isWithStranger()) {
1132			showSnackbar(R.string.received_message_from_stranger, R.string.block, mBlockClickListener);
1133		} else {
1134			hideSnackbar();
1135		}
1136	}
1137
1138	public void updateMessages() {
1139		synchronized (this.messageList) {
1140			if (getView() == null) {
1141				return;
1142			}
1143			final ConversationActivity activity = (ConversationActivity) getActivity();
1144			if (this.conversation != null) {
1145				conversation.populateWithMessages(ConversationFragment.this.messageList);
1146				updateSnackBar(conversation);
1147				updateStatusMessages();
1148				this.messageListAdapter.notifyDataSetChanged();
1149				updateChatMsgHint();
1150				if (!activity.isConversationsOverviewVisable() || !activity.isConversationsOverviewHideable()) {
1151					activity.sendReadMarkerIfNecessary(conversation);
1152				}
1153				updateSendButton();
1154				updateEditablity();
1155			}
1156		}
1157	}
1158
1159	protected void messageSent() {
1160		mSendingPgpMessage.set(false);
1161		mEditMessage.setText("");
1162		if (conversation.setCorrectingMessage(null)) {
1163			mEditMessage.append(conversation.getDraftMessage());
1164			conversation.setDraftMessage(null);
1165		}
1166		if (conversation.setNextMessage(mEditMessage.getText().toString())) {
1167			activity.xmppConnectionService.updateConversation(conversation);
1168		}
1169		updateChatMsgHint();
1170		new Handler().post(new Runnable() {
1171			@Override
1172			public void run() {
1173				int size = messageList.size();
1174				messagesView.setSelection(size - 1);
1175			}
1176		});
1177	}
1178
1179	public void setFocusOnInputField() {
1180		mEditMessage.requestFocus();
1181	}
1182
1183	public void doneSendingPgpMessage() {
1184		mSendingPgpMessage.set(false);
1185	}
1186
1187	private int getSendButtonImageResource(SendButtonAction action, Presence.Status status) {
1188		switch (action) {
1189			case TEXT:
1190				switch (status) {
1191					case CHAT:
1192					case ONLINE:
1193						return R.drawable.ic_send_text_online;
1194					case AWAY:
1195						return R.drawable.ic_send_text_away;
1196					case XA:
1197					case DND:
1198						return R.drawable.ic_send_text_dnd;
1199					default:
1200						return activity.getThemeResource(R.attr.ic_send_text_offline, R.drawable.ic_send_text_offline);
1201				}
1202			case RECORD_VIDEO:
1203				switch (status) {
1204					case CHAT:
1205					case ONLINE:
1206						return R.drawable.ic_send_videocam_online;
1207					case AWAY:
1208						return R.drawable.ic_send_videocam_away;
1209					case XA:
1210					case DND:
1211						return R.drawable.ic_send_videocam_dnd;
1212					default:
1213						return activity.getThemeResource(R.attr.ic_send_videocam_offline, R.drawable.ic_send_videocam_offline);
1214				}
1215			case TAKE_PHOTO:
1216				switch (status) {
1217					case CHAT:
1218					case ONLINE:
1219						return R.drawable.ic_send_photo_online;
1220					case AWAY:
1221						return R.drawable.ic_send_photo_away;
1222					case XA:
1223					case DND:
1224						return R.drawable.ic_send_photo_dnd;
1225					default:
1226						return activity.getThemeResource(R.attr.ic_send_photo_offline, R.drawable.ic_send_photo_offline);
1227				}
1228			case RECORD_VOICE:
1229				switch (status) {
1230					case CHAT:
1231					case ONLINE:
1232						return R.drawable.ic_send_voice_online;
1233					case AWAY:
1234						return R.drawable.ic_send_voice_away;
1235					case XA:
1236					case DND:
1237						return R.drawable.ic_send_voice_dnd;
1238					default:
1239						return activity.getThemeResource(R.attr.ic_send_voice_offline, R.drawable.ic_send_voice_offline);
1240				}
1241			case SEND_LOCATION:
1242				switch (status) {
1243					case CHAT:
1244					case ONLINE:
1245						return R.drawable.ic_send_location_online;
1246					case AWAY:
1247						return R.drawable.ic_send_location_away;
1248					case XA:
1249					case DND:
1250						return R.drawable.ic_send_location_dnd;
1251					default:
1252						return activity.getThemeResource(R.attr.ic_send_location_offline, R.drawable.ic_send_location_offline);
1253				}
1254			case CANCEL:
1255				switch (status) {
1256					case CHAT:
1257					case ONLINE:
1258						return R.drawable.ic_send_cancel_online;
1259					case AWAY:
1260						return R.drawable.ic_send_cancel_away;
1261					case XA:
1262					case DND:
1263						return R.drawable.ic_send_cancel_dnd;
1264					default:
1265						return activity.getThemeResource(R.attr.ic_send_cancel_offline, R.drawable.ic_send_cancel_offline);
1266				}
1267			case CHOOSE_PICTURE:
1268				switch (status) {
1269					case CHAT:
1270					case ONLINE:
1271						return R.drawable.ic_send_picture_online;
1272					case AWAY:
1273						return R.drawable.ic_send_picture_away;
1274					case XA:
1275					case DND:
1276						return R.drawable.ic_send_picture_dnd;
1277					default:
1278						return activity.getThemeResource(R.attr.ic_send_picture_offline, R.drawable.ic_send_picture_offline);
1279				}
1280		}
1281		return activity.getThemeResource(R.attr.ic_send_text_offline, R.drawable.ic_send_text_offline);
1282	}
1283
1284	private void updateEditablity() {
1285		boolean canWrite = this.conversation.getMode() == Conversation.MODE_SINGLE || this.conversation.getMucOptions().participating() || this.conversation.getNextCounterpart() != null;
1286		this.mEditMessage.setFocusable(canWrite);
1287		this.mEditMessage.setFocusableInTouchMode(canWrite);
1288		this.mSendButton.setEnabled(canWrite);
1289		this.mEditMessage.setCursorVisible(canWrite);
1290	}
1291
1292	public void updateSendButton() {
1293		final Conversation c = this.conversation;
1294		final SendButtonAction action;
1295		final Presence.Status status;
1296		final String text = this.mEditMessage == null ? "" : this.mEditMessage.getText().toString();
1297		final boolean empty = text.length() == 0;
1298		final boolean conference = c.getMode() == Conversation.MODE_MULTI;
1299		if (c.getCorrectingMessage() != null && (empty || text.equals(c.getCorrectingMessage().getBody()))) {
1300			action = SendButtonAction.CANCEL;
1301		} else if (conference && !c.getAccount().httpUploadAvailable()) {
1302			if (empty && c.getNextCounterpart() != null) {
1303				action = SendButtonAction.CANCEL;
1304			} else {
1305				action = SendButtonAction.TEXT;
1306			}
1307		} else {
1308			if (empty) {
1309				if (conference && c.getNextCounterpart() != null) {
1310					action = SendButtonAction.CANCEL;
1311				} else {
1312					String setting = activity.getPreferences().getString("quick_action", activity.getResources().getString(R.string.quick_action));
1313					if (!setting.equals("none") && UIHelper.receivedLocationQuestion(conversation.getLatestMessage())) {
1314						action = SendButtonAction.SEND_LOCATION;
1315					} else {
1316						if (setting.equals("recent")) {
1317							setting = activity.getPreferences().getString(ConversationActivity.RECENTLY_USED_QUICK_ACTION, SendButtonAction.TEXT.toString());
1318							action = SendButtonAction.valueOfOrDefault(setting, SendButtonAction.TEXT);
1319						} else {
1320							action = SendButtonAction.valueOfOrDefault(setting, SendButtonAction.TEXT);
1321						}
1322					}
1323				}
1324			} else {
1325				action = SendButtonAction.TEXT;
1326			}
1327		}
1328		if (activity.useSendButtonToIndicateStatus() && c.getAccount().getStatus() == Account.State.ONLINE) {
1329			if (activity.xmppConnectionService != null && activity.xmppConnectionService.getMessageArchiveService().isCatchingUp(c)) {
1330				status = Presence.Status.OFFLINE;
1331			} else if (c.getMode() == Conversation.MODE_SINGLE) {
1332				status = c.getContact().getShownStatus();
1333			} else {
1334				status = c.getMucOptions().online() ? Presence.Status.ONLINE : Presence.Status.OFFLINE;
1335			}
1336		} else {
1337			status = Presence.Status.OFFLINE;
1338		}
1339		this.mSendButton.setTag(action);
1340		this.mSendButton.setImageResource(getSendButtonImageResource(action, status));
1341	}
1342
1343	protected void updateDateSeparators() {
1344		synchronized (this.messageList) {
1345			for (int i = 0; i < this.messageList.size(); ++i) {
1346				final Message current = this.messageList.get(i);
1347				if (i == 0 || !UIHelper.sameDay(this.messageList.get(i - 1).getTimeSent(), current.getTimeSent())) {
1348					this.messageList.add(i, Message.createDateSeparator(current));
1349					i++;
1350				}
1351			}
1352		}
1353	}
1354
1355	protected void updateStatusMessages() {
1356		updateDateSeparators();
1357		synchronized (this.messageList) {
1358			if (showLoadMoreMessages(conversation)) {
1359				this.messageList.add(0, Message.createLoadMoreMessage(conversation));
1360			}
1361			if (conversation.getMode() == Conversation.MODE_SINGLE) {
1362				ChatState state = conversation.getIncomingChatState();
1363				if (state == ChatState.COMPOSING) {
1364					this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_is_typing, conversation.getName())));
1365				} else if (state == ChatState.PAUSED) {
1366					this.messageList.add(Message.createStatusMessage(conversation, getString(R.string.contact_has_stopped_typing, conversation.getName())));
1367				} else {
1368					for (int i = this.messageList.size() - 1; i >= 0; --i) {
1369						if (this.messageList.get(i).getStatus() == Message.STATUS_RECEIVED) {
1370							return;
1371						} else {
1372							if (this.messageList.get(i).getStatus() == Message.STATUS_SEND_DISPLAYED) {
1373								this.messageList.add(i + 1,
1374										Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, conversation.getName())));
1375								return;
1376							}
1377						}
1378					}
1379				}
1380			} else {
1381				final MucOptions mucOptions = conversation.getMucOptions();
1382				final List<MucOptions.User> allUsers = mucOptions.getUsers();
1383				final Set<ReadByMarker> addedMarkers = new HashSet<>();
1384				ChatState state = ChatState.COMPOSING;
1385				List<MucOptions.User> users = conversation.getMucOptions().getUsersWithChatState(state, 5);
1386				if (users.size() == 0) {
1387					state = ChatState.PAUSED;
1388					users = conversation.getMucOptions().getUsersWithChatState(state, 5);
1389				}
1390				if (mucOptions.isPrivateAndNonAnonymous()) {
1391					for (int i = this.messageList.size() - 1; i >= 0; --i) {
1392						final Set<ReadByMarker> markersForMessage = messageList.get(i).getReadByMarkers();
1393						final List<MucOptions.User> shownMarkers = new ArrayList<>();
1394						for (ReadByMarker marker : markersForMessage) {
1395							if (!ReadByMarker.contains(marker, addedMarkers)) {
1396								addedMarkers.add(marker); //may be put outside this condition. set should do dedup anyway
1397								MucOptions.User user = mucOptions.findUser(marker);
1398								if (user != null && !users.contains(user)) {
1399									shownMarkers.add(user);
1400								}
1401							}
1402						}
1403						final ReadByMarker markerForSender = ReadByMarker.from(messageList.get(i));
1404						final Message statusMessage;
1405						final int size = shownMarkers.size();
1406						if (size > 1) {
1407							final String body;
1408							if (size <= 4) {
1409								body = getString(R.string.contacts_have_read_up_to_this_point, UIHelper.concatNames(shownMarkers));
1410							} else {
1411								body = getString(R.string.contacts_and_n_more_have_read_up_to_this_point, UIHelper.concatNames(shownMarkers, 3), size - 3);
1412							}
1413							statusMessage = Message.createStatusMessage(conversation, body);
1414							statusMessage.setCounterparts(shownMarkers);
1415						} else if (size == 1) {
1416							statusMessage = Message.createStatusMessage(conversation, getString(R.string.contact_has_read_up_to_this_point, UIHelper.getDisplayName(shownMarkers.get(0))));
1417							statusMessage.setCounterpart(shownMarkers.get(0).getFullJid());
1418							statusMessage.setTrueCounterpart(shownMarkers.get(0).getRealJid());
1419						} else {
1420							statusMessage = null;
1421						}
1422						if (statusMessage != null) {
1423							this.messageList.add(i + 1, statusMessage);
1424						}
1425						addedMarkers.add(markerForSender);
1426						if (ReadByMarker.allUsersRepresented(allUsers, addedMarkers)) {
1427							break;
1428						}
1429					}
1430				}
1431				if (users.size() > 0) {
1432					Message statusMessage;
1433					if (users.size() == 1) {
1434						MucOptions.User user = users.get(0);
1435						int id = state == ChatState.COMPOSING ? R.string.contact_is_typing : R.string.contact_has_stopped_typing;
1436						statusMessage = Message.createStatusMessage(conversation, getString(id, UIHelper.getDisplayName(user)));
1437						statusMessage.setTrueCounterpart(user.getRealJid());
1438						statusMessage.setCounterpart(user.getFullJid());
1439					} else {
1440						int id = state == ChatState.COMPOSING ? R.string.contacts_are_typing : R.string.contacts_have_stopped_typing;
1441						statusMessage = Message.createStatusMessage(conversation, getString(id, UIHelper.concatNames(users)));
1442						statusMessage.setCounterparts(users);
1443					}
1444					this.messageList.add(statusMessage);
1445				}
1446
1447			}
1448		}
1449	}
1450
1451	public void stopScrolling() {
1452		long now = SystemClock.uptimeMillis();
1453		MotionEvent cancel = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
1454		messagesView.dispatchTouchEvent(cancel);
1455	}
1456
1457	private boolean showLoadMoreMessages(final Conversation c) {
1458		final boolean mam = hasMamSupport(c);
1459		final MessageArchiveService service = activity.xmppConnectionService.getMessageArchiveService();
1460		return mam && (c.getLastClearHistory().getTimestamp() != 0 || (c.countMessages() == 0 && c.messagesLoaded.get() && c.hasMessagesLeftOnServer() && !service.queryInProgress(c)));
1461	}
1462
1463	private boolean hasMamSupport(final Conversation c) {
1464		if (c.getMode() == Conversation.MODE_SINGLE) {
1465			final XmppConnection connection = c.getAccount().getXmppConnection();
1466			return connection != null && connection.getFeatures().mam();
1467		} else {
1468			return c.getMucOptions().mamSupport();
1469		}
1470	}
1471
1472	protected void showSnackbar(final int message, final int action, final OnClickListener clickListener) {
1473		showSnackbar(message, action, clickListener, null);
1474	}
1475
1476	protected void showSnackbar(final int message, final int action, final OnClickListener clickListener, final View.OnLongClickListener longClickListener) {
1477		snackbar.setVisibility(View.VISIBLE);
1478		snackbar.setOnClickListener(null);
1479		snackbarMessage.setText(message);
1480		snackbarMessage.setOnClickListener(null);
1481		snackbarAction.setVisibility(clickListener == null ? View.GONE : View.VISIBLE);
1482		if (action != 0) {
1483			snackbarAction.setText(action);
1484		}
1485		snackbarAction.setOnClickListener(clickListener);
1486		snackbarAction.setOnLongClickListener(longClickListener);
1487	}
1488
1489	protected void hideSnackbar() {
1490		snackbar.setVisibility(View.GONE);
1491	}
1492
1493	protected void sendPlainTextMessage(Message message) {
1494		ConversationActivity activity = (ConversationActivity) getActivity();
1495		activity.xmppConnectionService.sendMessage(message);
1496		messageSent();
1497	}
1498
1499	protected void sendPgpMessage(final Message message) {
1500		final ConversationActivity activity = (ConversationActivity) getActivity();
1501		final XmppConnectionService xmppService = activity.xmppConnectionService;
1502		final Contact contact = message.getConversation().getContact();
1503		if (!activity.hasPgp()) {
1504			activity.showInstallPgpDialog();
1505			return;
1506		}
1507		if (conversation.getAccount().getPgpSignature() == null) {
1508			activity.announcePgp(conversation.getAccount(), conversation, null, activity.onOpenPGPKeyPublished);
1509			return;
1510		}
1511		if (!mSendingPgpMessage.compareAndSet(false, true)) {
1512			Log.d(Config.LOGTAG, "sending pgp message already in progress");
1513		}
1514		if (conversation.getMode() == Conversation.MODE_SINGLE) {
1515			if (contact.getPgpKeyId() != 0) {
1516				xmppService.getPgpEngine().hasKey(contact,
1517						new UiCallback<Contact>() {
1518
1519							@Override
1520							public void userInputRequried(PendingIntent pi,
1521							                              Contact contact) {
1522								activity.runIntent(
1523										pi,
1524										ConversationActivity.REQUEST_ENCRYPT_MESSAGE);
1525							}
1526
1527							@Override
1528							public void success(Contact contact) {
1529								activity.encryptTextMessage(message);
1530							}
1531
1532							@Override
1533							public void error(int error, Contact contact) {
1534								activity.runOnUiThread(new Runnable() {
1535									@Override
1536									public void run() {
1537										Toast.makeText(activity,
1538												R.string.unable_to_connect_to_keychain,
1539												Toast.LENGTH_SHORT
1540										).show();
1541									}
1542								});
1543								mSendingPgpMessage.set(false);
1544							}
1545						});
1546
1547			} else {
1548				showNoPGPKeyDialog(false,
1549						new DialogInterface.OnClickListener() {
1550
1551							@Override
1552							public void onClick(DialogInterface dialog,
1553							                    int which) {
1554								conversation
1555										.setNextEncryption(Message.ENCRYPTION_NONE);
1556								xmppService.updateConversation(conversation);
1557								message.setEncryption(Message.ENCRYPTION_NONE);
1558								xmppService.sendMessage(message);
1559								messageSent();
1560							}
1561						});
1562			}
1563		} else {
1564			if (conversation.getMucOptions().pgpKeysInUse()) {
1565				if (!conversation.getMucOptions().everybodyHasKeys()) {
1566					Toast warning = Toast
1567							.makeText(getActivity(),
1568									R.string.missing_public_keys,
1569									Toast.LENGTH_LONG);
1570					warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
1571					warning.show();
1572				}
1573				activity.encryptTextMessage(message);
1574			} else {
1575				showNoPGPKeyDialog(true,
1576						new DialogInterface.OnClickListener() {
1577
1578							@Override
1579							public void onClick(DialogInterface dialog,
1580							                    int which) {
1581								conversation
1582										.setNextEncryption(Message.ENCRYPTION_NONE);
1583								message.setEncryption(Message.ENCRYPTION_NONE);
1584								xmppService.updateConversation(conversation);
1585								xmppService.sendMessage(message);
1586								messageSent();
1587							}
1588						});
1589			}
1590		}
1591	}
1592
1593	public void showNoPGPKeyDialog(boolean plural,
1594	                               DialogInterface.OnClickListener listener) {
1595		AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
1596		builder.setIconAttribute(android.R.attr.alertDialogIcon);
1597		if (plural) {
1598			builder.setTitle(getString(R.string.no_pgp_keys));
1599			builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
1600		} else {
1601			builder.setTitle(getString(R.string.no_pgp_key));
1602			builder.setMessage(getText(R.string.contact_has_no_pgp_key));
1603		}
1604		builder.setNegativeButton(getString(R.string.cancel), null);
1605		builder.setPositiveButton(getString(R.string.send_unencrypted),
1606				listener);
1607		builder.create().show();
1608	}
1609
1610	protected void sendAxolotlMessage(final Message message) {
1611		final ConversationActivity activity = (ConversationActivity) getActivity();
1612		final XmppConnectionService xmppService = activity.xmppConnectionService;
1613		xmppService.sendMessage(message);
1614		messageSent();
1615	}
1616
1617	protected void sendOtrMessage(final Message message) {
1618		final ConversationActivity activity = (ConversationActivity) getActivity();
1619		final XmppConnectionService xmppService = activity.xmppConnectionService;
1620		activity.selectPresence(message.getConversation(),
1621				new OnPresenceSelected() {
1622
1623					@Override
1624					public void onPresenceSelected() {
1625						message.setCounterpart(conversation.getNextCounterpart());
1626						xmppService.sendMessage(message);
1627						messageSent();
1628					}
1629				});
1630	}
1631
1632	public void appendText(String text) {
1633		if (text == null) {
1634			return;
1635		}
1636		String previous = this.mEditMessage.getText().toString();
1637		if (previous.length() != 0 && !previous.endsWith(" ")) {
1638			text = " " + text;
1639		}
1640		this.mEditMessage.append(text);
1641	}
1642
1643	@Override
1644	public boolean onEnterPressed() {
1645		if (activity.enterIsSend()) {
1646			sendMessage();
1647			return true;
1648		} else {
1649			return false;
1650		}
1651	}
1652
1653	@Override
1654	public void onTypingStarted() {
1655		Account.State status = conversation.getAccount().getStatus();
1656		if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.COMPOSING)) {
1657			activity.xmppConnectionService.sendChatState(conversation);
1658		}
1659		activity.hideConversationsOverview();
1660		updateSendButton();
1661	}
1662
1663	@Override
1664	public void onTypingStopped() {
1665		Account.State status = conversation.getAccount().getStatus();
1666		if (status == Account.State.ONLINE && conversation.setOutgoingChatState(ChatState.PAUSED)) {
1667			activity.xmppConnectionService.sendChatState(conversation);
1668		}
1669	}
1670
1671	@Override
1672	public void onTextDeleted() {
1673		Account.State status = conversation.getAccount().getStatus();
1674		if (status == Account.State.ONLINE && conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1675			activity.xmppConnectionService.sendChatState(conversation);
1676		}
1677		updateSendButton();
1678	}
1679
1680	@Override
1681	public void onTextChanged() {
1682		if (conversation != null && conversation.getCorrectingMessage() != null) {
1683			updateSendButton();
1684		}
1685	}
1686
1687	@Override
1688	public boolean onTabPressed(boolean repeated) {
1689		if (conversation == null || conversation.getMode() == Conversation.MODE_SINGLE) {
1690			return false;
1691		}
1692		if (repeated) {
1693			completionIndex++;
1694		} else {
1695			lastCompletionLength = 0;
1696			completionIndex = 0;
1697			final String content = mEditMessage.getText().toString();
1698			lastCompletionCursor = mEditMessage.getSelectionEnd();
1699			int start = lastCompletionCursor > 0 ? content.lastIndexOf(" ", lastCompletionCursor - 1) + 1 : 0;
1700			firstWord = start == 0;
1701			incomplete = content.substring(start, lastCompletionCursor);
1702		}
1703		List<String> completions = new ArrayList<>();
1704		for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
1705			String name = user.getName();
1706			if (name != null && name.startsWith(incomplete)) {
1707				completions.add(name + (firstWord ? ": " : " "));
1708			}
1709		}
1710		Collections.sort(completions);
1711		if (completions.size() > completionIndex) {
1712			String completion = completions.get(completionIndex).substring(incomplete.length());
1713			mEditMessage.getEditableText().delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
1714			mEditMessage.getEditableText().insert(lastCompletionCursor, completion);
1715			lastCompletionLength = completion.length();
1716		} else {
1717			completionIndex = -1;
1718			mEditMessage.getEditableText().delete(lastCompletionCursor, lastCompletionCursor + lastCompletionLength);
1719			lastCompletionLength = 0;
1720		}
1721		return true;
1722	}
1723
1724	@Override
1725	public void onActivityResult(int requestCode, int resultCode,
1726	                             final Intent data) {
1727		if (resultCode == Activity.RESULT_OK) {
1728			if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1729				activity.getSelectedConversation().getAccount().getPgpDecryptionService().continueDecryption(data);
1730			} else if (requestCode == ConversationActivity.REQUEST_TRUST_KEYS_TEXT) {
1731				final String body = mEditMessage.getText().toString();
1732				Message message = new Message(conversation, body, conversation.getNextEncryption());
1733				sendAxolotlMessage(message);
1734			} else if (requestCode == ConversationActivity.REQUEST_TRUST_KEYS_MENU) {
1735				int choice = data.getIntExtra("choice", ConversationActivity.ATTACHMENT_CHOICE_INVALID);
1736				activity.selectPresenceToAttachFile(choice, conversation.getNextEncryption());
1737			}
1738		} else if (resultCode == Activity.RESULT_CANCELED) {
1739			if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1740				// discard the message to prevent decryption being blocked
1741				conversation.getAccount().getPgpDecryptionService().giveUpCurrentDecryption();
1742			}
1743		}
1744	}
1745
1746	enum SendButtonAction {
1747		TEXT, TAKE_PHOTO, SEND_LOCATION, RECORD_VOICE, CANCEL, CHOOSE_PICTURE, RECORD_VIDEO;
1748
1749		public static SendButtonAction valueOfOrDefault(String setting, SendButtonAction text) {
1750			try {
1751				return valueOf(setting);
1752			} catch (IllegalArgumentException e) {
1753				return TEXT;
1754			}
1755		}
1756	}
1757
1758}