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