ConversationActivity.java

   1package eu.siacs.conversations.ui;
   2
   3import android.annotation.SuppressLint;
   4import android.app.ActionBar;
   5import android.app.AlertDialog;
   6import android.app.FragmentTransaction;
   7import android.app.PendingIntent;
   8import android.content.ActivityNotFoundException;
   9import android.content.ClipData;
  10import android.content.DialogInterface;
  11import android.content.DialogInterface.OnClickListener;
  12import android.content.Intent;
  13import android.content.IntentSender.SendIntentException;
  14import android.content.pm.PackageManager;
  15import android.net.Uri;
  16import android.os.Build;
  17import android.os.Bundle;
  18import android.os.Handler;
  19import android.provider.MediaStore;
  20import android.provider.Settings;
  21import android.support.v4.widget.SlidingPaneLayout;
  22import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
  23import android.util.Log;
  24import android.util.Pair;
  25import android.view.Gravity;
  26import android.view.KeyEvent;
  27import android.view.Menu;
  28import android.view.MenuItem;
  29import android.view.Surface;
  30import android.view.View;
  31import android.widget.AdapterView;
  32import android.widget.AdapterView.OnItemClickListener;
  33import android.widget.ArrayAdapter;
  34import android.widget.CheckBox;
  35import android.widget.PopupMenu;
  36import android.widget.PopupMenu.OnMenuItemClickListener;
  37import android.widget.Toast;
  38
  39import net.java.otr4j.session.SessionStatus;
  40
  41import org.openintents.openpgp.util.OpenPgpApi;
  42
  43import java.util.ArrayList;
  44import java.util.Iterator;
  45import java.util.List;
  46import java.util.concurrent.atomic.AtomicBoolean;
  47
  48import de.timroes.android.listview.EnhancedListView;
  49import eu.siacs.conversations.Config;
  50import eu.siacs.conversations.R;
  51import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  52import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
  53import eu.siacs.conversations.entities.Account;
  54import eu.siacs.conversations.entities.Blockable;
  55import eu.siacs.conversations.entities.Contact;
  56import eu.siacs.conversations.entities.Conversation;
  57import eu.siacs.conversations.entities.Message;
  58import eu.siacs.conversations.entities.Transferable;
  59import eu.siacs.conversations.persistance.FileBackend;
  60import eu.siacs.conversations.services.XmppConnectionService;
  61import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
  62import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
  63import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  64import eu.siacs.conversations.ui.adapter.ConversationAdapter;
  65import eu.siacs.conversations.utils.ExceptionHelper;
  66import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  67import eu.siacs.conversations.xmpp.XmppConnection;
  68import eu.siacs.conversations.xmpp.jid.InvalidJidException;
  69import eu.siacs.conversations.xmpp.jid.Jid;
  70
  71public class ConversationActivity extends XmppActivity
  72	implements OnAccountUpdate, OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, XmppConnectionService.OnShowErrorToast {
  73
  74	public static final String ACTION_VIEW_CONVERSATION = "eu.siacs.conversations.action.VIEW";
  75	public static final String CONVERSATION = "conversationUuid";
  76	public static final String EXTRA_DOWNLOAD_UUID = "eu.siacs.conversations.download_uuid";
  77	public static final String TEXT = "text";
  78	public static final String NICK = "nick";
  79	public static final String PRIVATE_MESSAGE = "pm";
  80
  81	public static final int REQUEST_SEND_MESSAGE = 0x0201;
  82	public static final int REQUEST_DECRYPT_PGP = 0x0202;
  83	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
  84	public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
  85	public static final int REQUEST_TRUST_KEYS_MENU = 0x0209;
  86	public static final int REQUEST_START_DOWNLOAD = 0x0210;
  87	public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
  88	public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
  89	public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
  90	public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
  91	public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
  92	public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
  93	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
  94	private static final String STATE_PANEL_OPEN = "state_panel_open";
  95	private static final String STATE_PENDING_URI = "state_pending_uri";
  96	private static final String STATE_FIRST_VISIBLE = "first_visible";
  97	private static final String STATE_OFFSET_FROM_TOP = "offset_from_top";
  98
  99	private String mOpenConversation = null;
 100	private boolean mPanelOpen = true;
 101	private Pair<Integer,Integer> mScrollPosition = null;
 102	final private List<Uri> mPendingImageUris = new ArrayList<>();
 103	final private List<Uri> mPendingFileUris = new ArrayList<>();
 104	private Uri mPendingGeoUri = null;
 105	private boolean forbidProcessingPendings = false;
 106	private Message mPendingDownloadableMessage = null;
 107
 108	private boolean conversationWasSelectedByKeyboard = false;
 109
 110	private View mContentView;
 111
 112	private List<Conversation> conversationList = new ArrayList<>();
 113	private Conversation swipedConversation = null;
 114	private Conversation mSelectedConversation = null;
 115	private EnhancedListView listView;
 116	private ConversationFragment mConversationFragment;
 117
 118	private ArrayAdapter<Conversation> listAdapter;
 119
 120	private boolean mActivityPaused = false;
 121	private AtomicBoolean mRedirected = new AtomicBoolean(false);
 122	private Pair<Integer, Intent> mPostponedActivityResult;
 123	private boolean mUnprocessedNewIntent = false;
 124
 125	public Conversation getSelectedConversation() {
 126		return this.mSelectedConversation;
 127	}
 128
 129	public void setSelectedConversation(Conversation conversation) {
 130		this.mSelectedConversation = conversation;
 131	}
 132
 133	public void showConversationsOverview() {
 134		if (mContentView instanceof SlidingPaneLayout) {
 135			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 136			mSlidingPaneLayout.openPane();
 137		}
 138	}
 139
 140	@Override
 141	protected String getShareableUri() {
 142		Conversation conversation = getSelectedConversation();
 143		if (conversation != null) {
 144			return conversation.getAccount().getShareableUri();
 145		} else {
 146			return "";
 147		}
 148	}
 149
 150	public void hideConversationsOverview() {
 151		if (mContentView instanceof SlidingPaneLayout) {
 152			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 153			mSlidingPaneLayout.closePane();
 154		}
 155	}
 156
 157	public boolean isConversationsOverviewHideable() {
 158		return mContentView instanceof SlidingPaneLayout;
 159	}
 160
 161	public boolean isConversationsOverviewVisable() {
 162		if (mContentView instanceof SlidingPaneLayout) {
 163			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 164			return mSlidingPaneLayout.isOpen();
 165		} else {
 166			return true;
 167		}
 168	}
 169
 170	@Override
 171	protected void onCreate(final Bundle savedInstanceState) {
 172		super.onCreate(savedInstanceState);
 173		if (savedInstanceState != null) {
 174			mOpenConversation = savedInstanceState.getString(STATE_OPEN_CONVERSATION, null);
 175			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
 176			int pos = savedInstanceState.getInt(STATE_FIRST_VISIBLE, -1);
 177			int offset = savedInstanceState.getInt(STATE_OFFSET_FROM_TOP, 1);
 178			if (pos >= 0 && offset <= 0) {
 179				Log.d(Config.LOGTAG,"retrieved scroll position from instanceState "+pos+":"+offset);
 180				mScrollPosition = new Pair<>(pos,offset);
 181			} else {
 182				mScrollPosition = null;
 183			}
 184			String pending = savedInstanceState.getString(STATE_PENDING_URI, null);
 185			if (pending != null) {
 186				Log.d(Config.LOGTAG,"ConversationsActivity.onCreate() - restoring pending image uri");
 187				mPendingImageUris.clear();
 188				mPendingImageUris.add(Uri.parse(pending));
 189			}
 190		}
 191
 192		setContentView(R.layout.fragment_conversations_overview);
 193
 194		this.mConversationFragment = new ConversationFragment();
 195		FragmentTransaction transaction = getFragmentManager().beginTransaction();
 196		transaction.replace(R.id.selected_conversation, this.mConversationFragment, "conversation");
 197		transaction.commit();
 198
 199		listView = (EnhancedListView) findViewById(R.id.list);
 200		this.listAdapter = new ConversationAdapter(this, conversationList);
 201		listView.setAdapter(this.listAdapter);
 202
 203		if (getActionBar() != null) {
 204			getActionBar().setDisplayHomeAsUpEnabled(false);
 205			getActionBar().setHomeButtonEnabled(false);
 206		}
 207
 208		listView.setOnItemClickListener(new OnItemClickListener() {
 209
 210			@Override
 211			public void onItemClick(AdapterView<?> arg0, View clickedView,
 212									int position, long arg3) {
 213				if (getSelectedConversation() != conversationList.get(position)) {
 214					setSelectedConversation(conversationList.get(position));
 215					ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 216					conversationWasSelectedByKeyboard = false;
 217				}
 218				hideConversationsOverview();
 219				openConversation();
 220			}
 221		});
 222
 223		listView.setDismissCallback(new EnhancedListView.OnDismissCallback() {
 224
 225			@Override
 226			public EnhancedListView.Undoable onDismiss(final EnhancedListView enhancedListView, final int position) {
 227
 228				final int index = listView.getFirstVisiblePosition();
 229				View v = listView.getChildAt(0);
 230				final int top = (v == null) ? 0 : (v.getTop() - listView.getPaddingTop());
 231
 232				try {
 233					swipedConversation = listAdapter.getItem(position);
 234				} catch (IndexOutOfBoundsException e) {
 235					return null;
 236				}
 237				listAdapter.remove(swipedConversation);
 238				xmppConnectionService.markRead(swipedConversation);
 239
 240				final boolean formerlySelected = (getSelectedConversation() == swipedConversation);
 241				if (position == 0 && listAdapter.getCount() == 0) {
 242					endConversation(swipedConversation, false, true);
 243					return null;
 244				} else if (formerlySelected) {
 245					setSelectedConversation(listAdapter.getItem(0));
 246					ConversationActivity.this.mConversationFragment
 247							.reInit(getSelectedConversation());
 248				}
 249
 250				return new EnhancedListView.Undoable() {
 251
 252					@Override
 253					public void undo() {
 254						listAdapter.insert(swipedConversation, position);
 255						if (formerlySelected) {
 256							setSelectedConversation(swipedConversation);
 257							ConversationActivity.this.mConversationFragment
 258									.reInit(getSelectedConversation());
 259						}
 260						swipedConversation = null;
 261						listView.setSelectionFromTop(index + (listView.getChildCount() < position ? 1 : 0), top);
 262					}
 263
 264					@Override
 265					public void discard() {
 266						if (!swipedConversation.isRead()
 267								&& swipedConversation.getMode() == Conversation.MODE_SINGLE) {
 268							swipedConversation = null;
 269							return;
 270						}
 271						endConversation(swipedConversation, false, false);
 272						swipedConversation = null;
 273					}
 274
 275					@Override
 276					public String getTitle() {
 277						if (swipedConversation.getMode() == Conversation.MODE_MULTI) {
 278							return getResources().getString(R.string.title_undo_swipe_out_muc);
 279						} else {
 280							return getResources().getString(R.string.title_undo_swipe_out_conversation);
 281						}
 282					}
 283				};
 284			}
 285		});
 286		listView.enableSwipeToDismiss();
 287		listView.setSwipingLayout(R.id.swipeable_item);
 288		listView.setUndoStyle(EnhancedListView.UndoStyle.SINGLE_POPUP);
 289		listView.setUndoHideDelay(5000);
 290		listView.setRequireTouchBeforeDismiss(false);
 291
 292		mContentView = findViewById(R.id.content_view_spl);
 293		if (mContentView == null) {
 294			mContentView = findViewById(R.id.content_view_ll);
 295		}
 296		if (mContentView instanceof SlidingPaneLayout) {
 297			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 298			mSlidingPaneLayout.setParallaxDistance(150);
 299			mSlidingPaneLayout
 300					.setShadowResource(R.drawable.es_slidingpane_shadow);
 301			mSlidingPaneLayout.setSliderFadeColor(0);
 302			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
 303
 304				@Override
 305				public void onPanelOpened(View arg0) {
 306					updateActionBarTitle();
 307					invalidateOptionsMenu();
 308					hideKeyboard();
 309					if (xmppConnectionServiceBound) {
 310						xmppConnectionService.getNotificationService()
 311								.setOpenConversation(null);
 312					}
 313					closeContextMenu();
 314				}
 315
 316				@Override
 317				public void onPanelClosed(View arg0) {
 318					listView.discardUndo();
 319					openConversation();
 320				}
 321
 322				@Override
 323				public void onPanelSlide(View arg0, float arg1) {
 324					// TODO Auto-generated method stub
 325
 326				}
 327			});
 328		}
 329	}
 330
 331	@Override
 332	public void switchToConversation(Conversation conversation) {
 333		setSelectedConversation(conversation);
 334		runOnUiThread(new Runnable() {
 335			@Override
 336			public void run() {
 337				ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 338				openConversation();
 339			}
 340		});
 341	}
 342
 343	private void updateActionBarTitle() {
 344		updateActionBarTitle(isConversationsOverviewHideable() && !isConversationsOverviewVisable());
 345	}
 346
 347	private void updateActionBarTitle(boolean titleShouldBeName) {
 348		final ActionBar ab = getActionBar();
 349		final Conversation conversation = getSelectedConversation();
 350		if (ab != null) {
 351			if (titleShouldBeName && conversation != null) {
 352				ab.setDisplayHomeAsUpEnabled(true);
 353				ab.setHomeButtonEnabled(true);
 354				if (conversation.getMode() == Conversation.MODE_SINGLE || useSubjectToIdentifyConference()) {
 355					ab.setTitle(conversation.getName());
 356				} else {
 357					ab.setTitle(conversation.getJid().toBareJid().toString());
 358				}
 359			} else {
 360				ab.setDisplayHomeAsUpEnabled(false);
 361				ab.setHomeButtonEnabled(false);
 362				ab.setTitle(R.string.app_name);
 363			}
 364		}
 365	}
 366
 367	private void openConversation() {
 368		this.updateActionBarTitle();
 369		this.invalidateOptionsMenu();
 370		if (xmppConnectionServiceBound) {
 371			final Conversation conversation = getSelectedConversation();
 372			xmppConnectionService.getNotificationService().setOpenConversation(conversation);
 373			sendReadMarkerIfNecessary(conversation);
 374		}
 375		listAdapter.notifyDataSetChanged();
 376	}
 377
 378	public void sendReadMarkerIfNecessary(final Conversation conversation) {
 379		if (!mActivityPaused && !mUnprocessedNewIntent && conversation != null) {
 380			xmppConnectionService.sendReadMarker(conversation);
 381		}
 382	}
 383
 384	@Override
 385	public boolean onCreateOptionsMenu(Menu menu) {
 386		getMenuInflater().inflate(R.menu.conversations, menu);
 387		final MenuItem menuSecure = menu.findItem(R.id.action_security);
 388		final MenuItem menuArchive = menu.findItem(R.id.action_archive);
 389		final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
 390		final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
 391		final MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
 392		final MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
 393		final MenuItem menuAdd = menu.findItem(R.id.action_add);
 394		final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
 395		final MenuItem menuMute = menu.findItem(R.id.action_mute);
 396		final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
 397
 398		if (isConversationsOverviewVisable() && isConversationsOverviewHideable()) {
 399			menuArchive.setVisible(false);
 400			menuMucDetails.setVisible(false);
 401			menuContactDetails.setVisible(false);
 402			menuSecure.setVisible(false);
 403			menuInviteContact.setVisible(false);
 404			menuAttach.setVisible(false);
 405			menuClearHistory.setVisible(false);
 406			menuMute.setVisible(false);
 407			menuUnmute.setVisible(false);
 408		} else {
 409			menuAdd.setVisible(!isConversationsOverviewHideable());
 410			if (this.getSelectedConversation() != null) {
 411				if (this.getSelectedConversation().getNextEncryption() != Message.ENCRYPTION_NONE) {
 412					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 413						menuSecure.setIcon(R.drawable.ic_lock_white_24dp);
 414					} else {
 415						menuSecure.setIcon(R.drawable.ic_action_secure);
 416					}
 417				}
 418				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
 419					menuContactDetails.setVisible(false);
 420					menuAttach.setVisible(getSelectedConversation().getAccount().httpUploadAvailable() && getSelectedConversation().getMucOptions().participating());
 421					menuInviteContact.setVisible(getSelectedConversation().getMucOptions().canInvite());
 422					menuSecure.setVisible((Config.supportOpenPgp() || Config.supportOmemo()) && Config.multipleEncryptionChoices()); //only if pgp is supported we have a choice
 423				} else {
 424					menuContactDetails.setVisible(!this.getSelectedConversation().withSelf());
 425					menuMucDetails.setVisible(false);
 426					menuSecure.setVisible(Config.multipleEncryptionChoices());
 427				}
 428				if (this.getSelectedConversation().isMuted()) {
 429					menuMute.setVisible(false);
 430				} else {
 431					menuUnmute.setVisible(false);
 432				}
 433			}
 434		}
 435		if (Config.supportOmemo()) {
 436			new Handler().post(new Runnable() {
 437				@Override
 438				public void run() {
 439					View view = findViewById(R.id.action_security);
 440					if (view != null) {
 441						view.setOnLongClickListener(new View.OnLongClickListener() {
 442							@Override
 443							public boolean onLongClick(View v) {
 444								return quickOmemoDebugger(getSelectedConversation());
 445							}
 446						});
 447					}
 448				}
 449			});
 450		}
 451		return super.onCreateOptionsMenu(menu);
 452	}
 453
 454	private boolean quickOmemoDebugger(Conversation c) {
 455		if (c != null) {
 456			boolean single = c.getMode() == Conversation.MODE_SINGLE;
 457			AxolotlService axolotlService = c.getAccount().getAxolotlService();
 458			Pair<AxolotlService.AxolotlCapability,Jid> capabilityJidPair = axolotlService.isConversationAxolotlCapableDetailed(c);
 459			switch (capabilityJidPair.first) {
 460				case MISSING_PRESENCE:
 461					Toast.makeText(ConversationActivity.this,single ? getString(R.string.missing_presence_subscription) : getString(R.string.missing_presence_subscription_with_x,capabilityJidPair.second.toBareJid().toString()),Toast.LENGTH_SHORT).show();
 462					return true;
 463				case MISSING_KEYS:
 464					Toast.makeText(ConversationActivity.this,single ? getString(R.string.missing_omemo_keys) : getString(R.string.missing_keys_from_x,capabilityJidPair.second.toBareJid().toString()),Toast.LENGTH_SHORT).show();
 465					return true;
 466				case WRONG_CONFIGURATION:
 467					Toast.makeText(ConversationActivity.this,R.string.wrong_conference_configuration, Toast.LENGTH_SHORT).show();
 468					return true;
 469				case NO_MEMBERS:
 470					Toast.makeText(ConversationActivity.this,R.string.this_conference_has_no_members, Toast.LENGTH_SHORT).show();
 471					return true;
 472			}
 473		}
 474		return false;
 475	}
 476
 477	protected void selectPresenceToAttachFile(final int attachmentChoice, final int encryption) {
 478		final Conversation conversation = getSelectedConversation();
 479		final Account account = conversation.getAccount();
 480		final OnPresenceSelected callback = new OnPresenceSelected() {
 481
 482			@Override
 483			public void onPresenceSelected() {
 484				Intent intent = new Intent();
 485				boolean chooser = false;
 486				String fallbackPackageId = null;
 487				switch (attachmentChoice) {
 488					case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 489						intent.setAction(Intent.ACTION_GET_CONTENT);
 490						if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 491							intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 492						}
 493						intent.setType("image/*");
 494						chooser = true;
 495						break;
 496					case ATTACHMENT_CHOICE_TAKE_PHOTO:
 497						Uri uri = xmppConnectionService.getFileBackend().getTakePhotoUri();
 498						intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 499						intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
 500						intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
 501						mPendingImageUris.clear();
 502						mPendingImageUris.add(uri);
 503						break;
 504					case ATTACHMENT_CHOICE_CHOOSE_FILE:
 505						chooser = true;
 506						intent.setType("*/*");
 507						intent.addCategory(Intent.CATEGORY_OPENABLE);
 508						intent.setAction(Intent.ACTION_GET_CONTENT);
 509						break;
 510					case ATTACHMENT_CHOICE_RECORD_VOICE:
 511						intent.setAction(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
 512						fallbackPackageId = "eu.siacs.conversations.voicerecorder";
 513						break;
 514					case ATTACHMENT_CHOICE_LOCATION:
 515						intent.setAction("eu.siacs.conversations.location.request");
 516						fallbackPackageId = "eu.siacs.conversations.sharelocation";
 517						break;
 518				}
 519				if (intent.resolveActivity(getPackageManager()) != null) {
 520					if (chooser) {
 521						startActivityForResult(
 522								Intent.createChooser(intent, getString(R.string.perform_action_with)),
 523								attachmentChoice);
 524					} else {
 525						startActivityForResult(intent, attachmentChoice);
 526					}
 527				} else if (fallbackPackageId != null) {
 528					startActivity(getInstallApkIntent(fallbackPackageId));
 529				}
 530			}
 531		};
 532		if ((account.httpUploadAvailable() || attachmentChoice == ATTACHMENT_CHOICE_LOCATION) && encryption != Message.ENCRYPTION_OTR) {
 533			conversation.setNextCounterpart(null);
 534			callback.onPresenceSelected();
 535		} else {
 536			selectPresence(conversation, callback);
 537		}
 538	}
 539
 540	private Intent getInstallApkIntent(final String packageId) {
 541		Intent intent = new Intent(Intent.ACTION_VIEW);
 542		intent.setData(Uri.parse("market://details?id=" + packageId));
 543		if (intent.resolveActivity(getPackageManager()) != null) {
 544			return intent;
 545		} else {
 546			intent.setData(Uri.parse("http://play.google.com/store/apps/details?id=" + packageId));
 547			return intent;
 548		}
 549	}
 550
 551	public void attachFile(final int attachmentChoice) {
 552		if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
 553			if (!hasStoragePermission(attachmentChoice)) {
 554				return;
 555			}
 556		}
 557		switch (attachmentChoice) {
 558			case ATTACHMENT_CHOICE_LOCATION:
 559				getPreferences().edit().putString("recently_used_quick_action", "location").apply();
 560				break;
 561			case ATTACHMENT_CHOICE_RECORD_VOICE:
 562				getPreferences().edit().putString("recently_used_quick_action", "voice").apply();
 563				break;
 564			case ATTACHMENT_CHOICE_TAKE_PHOTO:
 565				getPreferences().edit().putString("recently_used_quick_action", "photo").apply();
 566				break;
 567			case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 568				getPreferences().edit().putString("recently_used_quick_action", "picture").apply();
 569				break;
 570		}
 571		final Conversation conversation = getSelectedConversation();
 572		final int encryption = conversation.getNextEncryption();
 573		final int mode = conversation.getMode();
 574		if (encryption == Message.ENCRYPTION_PGP) {
 575			if (hasPgp()) {
 576				if (mode == Conversation.MODE_SINGLE && conversation.getContact().getPgpKeyId() != 0) {
 577					xmppConnectionService.getPgpEngine().hasKey(
 578							conversation.getContact(),
 579							new UiCallback<Contact>() {
 580
 581								@Override
 582								public void userInputRequried(PendingIntent pi, Contact contact) {
 583									ConversationActivity.this.runIntent(pi, attachmentChoice);
 584								}
 585
 586								@Override
 587								public void success(Contact contact) {
 588									selectPresenceToAttachFile(attachmentChoice, encryption);
 589								}
 590
 591								@Override
 592								public void error(int error, Contact contact) {
 593									replaceToast(getString(error));
 594								}
 595							});
 596				} else if (mode == Conversation.MODE_MULTI && conversation.getMucOptions().pgpKeysInUse()) {
 597					if (!conversation.getMucOptions().everybodyHasKeys()) {
 598						Toast warning = Toast
 599								.makeText(this,
 600										R.string.missing_public_keys,
 601										Toast.LENGTH_LONG);
 602						warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
 603						warning.show();
 604					}
 605					selectPresenceToAttachFile(attachmentChoice, encryption);
 606				} else {
 607					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 608							.findFragmentByTag("conversation");
 609					if (fragment != null) {
 610						fragment.showNoPGPKeyDialog(false,
 611								new OnClickListener() {
 612
 613									@Override
 614									public void onClick(DialogInterface dialog,
 615														int which) {
 616										conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 617										xmppConnectionService.updateConversation(conversation);
 618										selectPresenceToAttachFile(attachmentChoice, Message.ENCRYPTION_NONE);
 619									}
 620								});
 621					}
 622				}
 623			} else {
 624				showInstallPgpDialog();
 625			}
 626		} else {
 627			if (encryption != Message.ENCRYPTION_AXOLOTL || !trustKeysIfNeeded(REQUEST_TRUST_KEYS_MENU, attachmentChoice)) {
 628				selectPresenceToAttachFile(attachmentChoice, encryption);
 629			}
 630		}
 631	}
 632
 633	@Override
 634	public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
 635		if (grantResults.length > 0)
 636			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 637				if (requestCode == REQUEST_START_DOWNLOAD) {
 638					if (this.mPendingDownloadableMessage != null) {
 639						startDownloadable(this.mPendingDownloadableMessage);
 640					}
 641				} else {
 642					attachFile(requestCode);
 643				}
 644			} else {
 645				Toast.makeText(this, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
 646			}
 647	}
 648
 649	public void startDownloadable(Message message) {
 650		if (!hasStoragePermission(ConversationActivity.REQUEST_START_DOWNLOAD)) {
 651			this.mPendingDownloadableMessage = message;
 652			return;
 653		}
 654		Transferable transferable = message.getTransferable();
 655		if (transferable != null) {
 656			if (!transferable.start()) {
 657				Toast.makeText(this, R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
 658			}
 659		} else if (message.treatAsDownloadable() != Message.Decision.NEVER) {
 660			xmppConnectionService.getHttpConnectionManager().createNewDownloadConnection(message, true);
 661		}
 662	}
 663
 664	@Override
 665	public boolean onOptionsItemSelected(final MenuItem item) {
 666		if (item.getItemId() == android.R.id.home) {
 667			showConversationsOverview();
 668			return true;
 669		} else if (item.getItemId() == R.id.action_add) {
 670			startActivity(new Intent(this, StartConversationActivity.class));
 671			return true;
 672		} else if (getSelectedConversation() != null) {
 673			switch (item.getItemId()) {
 674				case R.id.action_attach_file:
 675					attachFileDialog();
 676					break;
 677				case R.id.action_archive:
 678					this.endConversation(getSelectedConversation());
 679					break;
 680				case R.id.action_contact_details:
 681					switchToContactDetails(getSelectedConversation().getContact());
 682					break;
 683				case R.id.action_muc_details:
 684					Intent intent = new Intent(this,
 685							ConferenceDetailsActivity.class);
 686					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
 687					intent.putExtra("uuid", getSelectedConversation().getUuid());
 688					startActivity(intent);
 689					break;
 690				case R.id.action_invite:
 691					inviteToConversation(getSelectedConversation());
 692					break;
 693				case R.id.action_security:
 694					selectEncryptionDialog(getSelectedConversation());
 695					break;
 696				case R.id.action_clear_history:
 697					clearHistoryDialog(getSelectedConversation());
 698					break;
 699				case R.id.action_mute:
 700					muteConversationDialog(getSelectedConversation());
 701					break;
 702				case R.id.action_unmute:
 703					unmuteConversation(getSelectedConversation());
 704					break;
 705				case R.id.action_block:
 706					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 707					break;
 708				case R.id.action_unblock:
 709					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 710					break;
 711				default:
 712					break;
 713			}
 714			return super.onOptionsItemSelected(item);
 715		} else {
 716			return super.onOptionsItemSelected(item);
 717		}
 718	}
 719
 720	public void endConversation(Conversation conversation) {
 721		endConversation(conversation, true, true);
 722	}
 723
 724	public void endConversation(Conversation conversation, boolean showOverview, boolean reinit) {
 725		if (showOverview) {
 726			showConversationsOverview();
 727		}
 728		xmppConnectionService.archiveConversation(conversation);
 729		if (reinit) {
 730			if (conversationList.size() > 0) {
 731				setSelectedConversation(conversationList.get(0));
 732				this.mConversationFragment.reInit(getSelectedConversation());
 733			} else {
 734				setSelectedConversation(null);
 735				if (mRedirected.compareAndSet(false, true)) {
 736					Intent intent = new Intent(this, StartConversationActivity.class);
 737					intent.putExtra("init", true);
 738					startActivity(intent);
 739					finish();
 740				}
 741			}
 742		}
 743	}
 744
 745	@SuppressLint("InflateParams")
 746	protected void clearHistoryDialog(final Conversation conversation) {
 747		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 748		builder.setTitle(getString(R.string.clear_conversation_history));
 749		View dialogView = getLayoutInflater().inflate(
 750				R.layout.dialog_clear_history, null);
 751		final CheckBox endConversationCheckBox = (CheckBox) dialogView
 752				.findViewById(R.id.end_conversation_checkbox);
 753		builder.setView(dialogView);
 754		builder.setNegativeButton(getString(R.string.cancel), null);
 755		builder.setPositiveButton(getString(R.string.delete_messages),
 756				new OnClickListener() {
 757
 758					@Override
 759					public void onClick(DialogInterface dialog, int which) {
 760						ConversationActivity.this.xmppConnectionService.clearConversationHistory(conversation);
 761						if (endConversationCheckBox.isChecked()) {
 762							endConversation(conversation);
 763						} else {
 764							updateConversationList();
 765							ConversationActivity.this.mConversationFragment.updateMessages();
 766						}
 767					}
 768				});
 769		builder.create().show();
 770	}
 771
 772	protected void attachFileDialog() {
 773		View menuAttachFile = findViewById(R.id.action_attach_file);
 774		if (menuAttachFile == null) {
 775			return;
 776		}
 777		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
 778		attachFilePopup.inflate(R.menu.attachment_choices);
 779		if (new Intent(MediaStore.Audio.Media.RECORD_SOUND_ACTION).resolveActivity(getPackageManager()) == null) {
 780			attachFilePopup.getMenu().findItem(R.id.attach_record_voice).setVisible(false);
 781		}
 782		if (new Intent("eu.siacs.conversations.location.request").resolveActivity(getPackageManager()) == null) {
 783			attachFilePopup.getMenu().findItem(R.id.attach_location).setVisible(false);
 784		}
 785		attachFilePopup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 786
 787			@Override
 788			public boolean onMenuItemClick(MenuItem item) {
 789				switch (item.getItemId()) {
 790					case R.id.attach_choose_picture:
 791						attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
 792						break;
 793					case R.id.attach_take_picture:
 794						attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
 795						break;
 796					case R.id.attach_choose_file:
 797						attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
 798						break;
 799					case R.id.attach_record_voice:
 800						attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
 801						break;
 802					case R.id.attach_location:
 803						attachFile(ATTACHMENT_CHOICE_LOCATION);
 804						break;
 805				}
 806				return false;
 807			}
 808		});
 809		attachFilePopup.show();
 810	}
 811
 812	public void verifyOtrSessionDialog(final Conversation conversation, View view) {
 813		if (!conversation.hasValidOtrSession() || conversation.getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
 814			Toast.makeText(this, R.string.otr_session_not_started, Toast.LENGTH_LONG).show();
 815			return;
 816		}
 817		if (view == null) {
 818			return;
 819		}
 820		PopupMenu popup = new PopupMenu(this, view);
 821		popup.inflate(R.menu.verification_choices);
 822		popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 823			@Override
 824			public boolean onMenuItemClick(MenuItem menuItem) {
 825				Intent intent = new Intent(ConversationActivity.this, VerifyOTRActivity.class);
 826				intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
 827				intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
 828				intent.putExtra(EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
 829				switch (menuItem.getItemId()) {
 830					case R.id.scan_fingerprint:
 831						intent.putExtra("mode", VerifyOTRActivity.MODE_SCAN_FINGERPRINT);
 832						break;
 833					case R.id.ask_question:
 834						intent.putExtra("mode", VerifyOTRActivity.MODE_ASK_QUESTION);
 835						break;
 836					case R.id.manual_verification:
 837						intent.putExtra("mode", VerifyOTRActivity.MODE_MANUAL_VERIFICATION);
 838						break;
 839				}
 840				startActivity(intent);
 841				return true;
 842			}
 843		});
 844		popup.show();
 845	}
 846
 847	protected void selectEncryptionDialog(final Conversation conversation) {
 848		View menuItemView = findViewById(R.id.action_security);
 849		if (menuItemView == null) {
 850			return;
 851		}
 852		PopupMenu popup = new PopupMenu(this, menuItemView);
 853		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 854				.findFragmentByTag("conversation");
 855		if (fragment != null) {
 856			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 857
 858				@Override
 859				public boolean onMenuItemClick(MenuItem item) {
 860					switch (item.getItemId()) {
 861						case R.id.encryption_choice_none:
 862							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 863							item.setChecked(true);
 864							break;
 865						case R.id.encryption_choice_otr:
 866							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
 867							item.setChecked(true);
 868							break;
 869						case R.id.encryption_choice_pgp:
 870							if (hasPgp()) {
 871								if (conversation.getAccount().getPgpSignature() != null) {
 872									conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 873									item.setChecked(true);
 874								} else {
 875									announcePgp(conversation.getAccount(), conversation, onOpenPGPKeyPublished);
 876								}
 877							} else {
 878								showInstallPgpDialog();
 879							}
 880							break;
 881						case R.id.encryption_choice_axolotl:
 882							Log.d(Config.LOGTAG, AxolotlService.getLogprefix(conversation.getAccount())
 883									+ "Enabled axolotl for Contact " + conversation.getContact().getJid());
 884							conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
 885							item.setChecked(true);
 886							break;
 887						default:
 888							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 889							break;
 890					}
 891					xmppConnectionService.updateConversation(conversation);
 892					fragment.updateChatMsgHint();
 893					invalidateOptionsMenu();
 894					refreshUi();
 895					return true;
 896				}
 897			});
 898			popup.inflate(R.menu.encryption_choices);
 899			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
 900			MenuItem none = popup.getMenu().findItem(R.id.encryption_choice_none);
 901			MenuItem pgp = popup.getMenu().findItem(R.id.encryption_choice_pgp);
 902			MenuItem axolotl = popup.getMenu().findItem(R.id.encryption_choice_axolotl);
 903			pgp.setVisible(Config.supportOpenPgp());
 904			none.setVisible(Config.supportUnencrypted() || conversation.getMode() == Conversation.MODE_MULTI);
 905			otr.setVisible(Config.supportOtr());
 906			axolotl.setVisible(Config.supportOmemo());
 907			if (conversation.getMode() == Conversation.MODE_MULTI) {
 908				otr.setVisible(false);
 909			}
 910			if (!conversation.getAccount().getAxolotlService().isConversationAxolotlCapable(conversation)) {
 911				axolotl.setEnabled(false);
 912			}
 913			switch (conversation.getNextEncryption()) {
 914				case Message.ENCRYPTION_NONE:
 915					none.setChecked(true);
 916					break;
 917				case Message.ENCRYPTION_OTR:
 918					otr.setChecked(true);
 919					break;
 920				case Message.ENCRYPTION_PGP:
 921					pgp.setChecked(true);
 922					break;
 923				case Message.ENCRYPTION_AXOLOTL:
 924					axolotl.setChecked(true);
 925					break;
 926				default:
 927					none.setChecked(true);
 928					break;
 929			}
 930			popup.show();
 931		}
 932	}
 933
 934	protected void muteConversationDialog(final Conversation conversation) {
 935		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 936		builder.setTitle(R.string.disable_notifications);
 937		final int[] durations = getResources().getIntArray(R.array.mute_options_durations);
 938		builder.setItems(R.array.mute_options_descriptions,
 939				new OnClickListener() {
 940
 941					@Override
 942					public void onClick(final DialogInterface dialog, final int which) {
 943						final long till;
 944						if (durations[which] == -1) {
 945							till = Long.MAX_VALUE;
 946						} else {
 947							till = System.currentTimeMillis() + (durations[which] * 1000);
 948						}
 949						conversation.setMutedTill(till);
 950						ConversationActivity.this.xmppConnectionService.updateConversation(conversation);
 951						updateConversationList();
 952						ConversationActivity.this.mConversationFragment.updateMessages();
 953						invalidateOptionsMenu();
 954					}
 955				});
 956		builder.create().show();
 957	}
 958
 959	public void unmuteConversation(final Conversation conversation) {
 960		conversation.setMutedTill(0);
 961		this.xmppConnectionService.updateConversation(conversation);
 962		updateConversationList();
 963		ConversationActivity.this.mConversationFragment.updateMessages();
 964		invalidateOptionsMenu();
 965	}
 966
 967	@Override
 968	public void onBackPressed() {
 969		if (!isConversationsOverviewVisable()) {
 970			showConversationsOverview();
 971		} else {
 972			moveTaskToBack(true);
 973		}
 974	}
 975
 976	@Override
 977	public boolean onKeyUp(int key, KeyEvent event) {
 978		int rotation = getWindowManager().getDefaultDisplay().getRotation();
 979		final int upKey;
 980		final int downKey;
 981		switch (rotation) {
 982			case Surface.ROTATION_90:
 983				upKey = KeyEvent.KEYCODE_DPAD_LEFT;
 984				downKey = KeyEvent.KEYCODE_DPAD_RIGHT;
 985				break;
 986			case Surface.ROTATION_180:
 987				upKey = KeyEvent.KEYCODE_DPAD_DOWN;
 988				downKey = KeyEvent.KEYCODE_DPAD_UP;
 989				break;
 990			case Surface.ROTATION_270:
 991				upKey = KeyEvent.KEYCODE_DPAD_RIGHT;
 992				downKey = KeyEvent.KEYCODE_DPAD_LEFT;
 993				break;
 994			default:
 995				upKey = KeyEvent.KEYCODE_DPAD_UP;
 996				downKey = KeyEvent.KEYCODE_DPAD_DOWN;
 997		}
 998		final boolean modifier = event.isCtrlPressed() || (event.getMetaState() & KeyEvent.META_ALT_LEFT_ON) != 0;
 999		if (modifier && key == KeyEvent.KEYCODE_TAB && isConversationsOverviewHideable()) {
1000			toggleConversationsOverview();
1001			return true;
1002		} else if (modifier && key == KeyEvent.KEYCODE_SPACE) {
1003			startActivity(new Intent(this, StartConversationActivity.class));
1004			return true;
1005		} else if (modifier && key == downKey) {
1006			if (isConversationsOverviewHideable() && !isConversationsOverviewVisable()) {
1007				showConversationsOverview();
1008				;
1009			}
1010			return selectDownConversation();
1011		} else if (modifier && key == upKey) {
1012			if (isConversationsOverviewHideable() && !isConversationsOverviewVisable()) {
1013				showConversationsOverview();
1014			}
1015			return selectUpConversation();
1016		} else if (modifier && key == KeyEvent.KEYCODE_1) {
1017			return openConversationByIndex(0);
1018		} else if (modifier && key == KeyEvent.KEYCODE_2) {
1019			return openConversationByIndex(1);
1020		} else if (modifier && key == KeyEvent.KEYCODE_3) {
1021			return openConversationByIndex(2);
1022		} else if (modifier && key == KeyEvent.KEYCODE_4) {
1023			return openConversationByIndex(3);
1024		} else if (modifier && key == KeyEvent.KEYCODE_5) {
1025			return openConversationByIndex(4);
1026		} else if (modifier && key == KeyEvent.KEYCODE_6) {
1027			return openConversationByIndex(5);
1028		} else if (modifier && key == KeyEvent.KEYCODE_7) {
1029			return openConversationByIndex(6);
1030		} else if (modifier && key == KeyEvent.KEYCODE_8) {
1031			return openConversationByIndex(7);
1032		} else if (modifier && key == KeyEvent.KEYCODE_9) {
1033			return openConversationByIndex(8);
1034		} else if (modifier && key == KeyEvent.KEYCODE_0) {
1035			return openConversationByIndex(9);
1036		} else {
1037			return super.onKeyUp(key, event);
1038		}
1039	}
1040
1041	private void toggleConversationsOverview() {
1042		if (isConversationsOverviewVisable()) {
1043			hideConversationsOverview();
1044			if (mConversationFragment != null) {
1045				mConversationFragment.setFocusOnInputField();
1046			}
1047		} else {
1048			showConversationsOverview();
1049		}
1050	}
1051
1052	private boolean selectUpConversation() {
1053		if (this.mSelectedConversation != null) {
1054			int index = this.conversationList.indexOf(this.mSelectedConversation);
1055			if (index > 0) {
1056				return openConversationByIndex(index - 1);
1057			}
1058		}
1059		return false;
1060	}
1061
1062	private boolean selectDownConversation() {
1063		if (this.mSelectedConversation != null) {
1064			int index = this.conversationList.indexOf(this.mSelectedConversation);
1065			if (index != -1 && index < this.conversationList.size() - 1) {
1066				return openConversationByIndex(index + 1);
1067			}
1068		}
1069		return false;
1070	}
1071
1072	private boolean openConversationByIndex(int index) {
1073		try {
1074			this.conversationWasSelectedByKeyboard = true;
1075			setSelectedConversation(this.conversationList.get(index));
1076			this.mConversationFragment.reInit(getSelectedConversation());
1077			if (index > listView.getLastVisiblePosition() - 1 || index < listView.getFirstVisiblePosition() + 1) {
1078				this.listView.setSelection(index);
1079			}
1080			openConversation();
1081			return true;
1082		} catch (IndexOutOfBoundsException e) {
1083			return false;
1084		}
1085	}
1086
1087	@Override
1088	protected void onNewIntent(final Intent intent) {
1089		if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
1090			mOpenConversation = null;
1091			mUnprocessedNewIntent = true;
1092			if (xmppConnectionServiceBound) {
1093				handleViewConversationIntent(intent);
1094				intent.setAction(Intent.ACTION_MAIN);
1095			} else {
1096				setIntent(intent);
1097			}
1098		}
1099	}
1100
1101	@Override
1102	public void onStart() {
1103		super.onStart();
1104		this.mRedirected.set(false);
1105		if (this.xmppConnectionServiceBound) {
1106			this.onBackendConnected();
1107		}
1108		if (conversationList.size() >= 1) {
1109			this.onConversationUpdate();
1110		}
1111	}
1112
1113	@Override
1114	public void onPause() {
1115		listView.discardUndo();
1116		super.onPause();
1117		this.mActivityPaused = true;
1118	}
1119
1120	@Override
1121	public void onResume() {
1122		super.onResume();
1123		final int theme = findTheme();
1124		final boolean usingEnterKey = usingEnterKey();
1125		if (this.mTheme != theme || usingEnterKey != mUsingEnterKey) {
1126			recreate();
1127		}
1128		this.mActivityPaused = false;
1129
1130
1131		if (!isConversationsOverviewVisable() || !isConversationsOverviewHideable()) {
1132			sendReadMarkerIfNecessary(getSelectedConversation());
1133		}
1134
1135	}
1136
1137	@Override
1138	public void onSaveInstanceState(final Bundle savedInstanceState) {
1139		Conversation conversation = getSelectedConversation();
1140		if (conversation != null) {
1141			savedInstanceState.putString(STATE_OPEN_CONVERSATION, conversation.getUuid());
1142			Pair<Integer,Integer> scrollPosition = mConversationFragment.getScrollPosition();
1143			if (scrollPosition != null) {
1144				savedInstanceState.putInt(STATE_FIRST_VISIBLE, scrollPosition.first);
1145				savedInstanceState.putInt(STATE_OFFSET_FROM_TOP, scrollPosition.second);
1146			}
1147		} else {
1148			savedInstanceState.remove(STATE_OPEN_CONVERSATION);
1149		}
1150		savedInstanceState.putBoolean(STATE_PANEL_OPEN, isConversationsOverviewVisable());
1151		if (this.mPendingImageUris.size() >= 1) {
1152			Log.d(Config.LOGTAG,"ConversationsActivity.onSaveInstanceState() - saving pending image uri");
1153			savedInstanceState.putString(STATE_PENDING_URI, this.mPendingImageUris.get(0).toString());
1154		} else {
1155			savedInstanceState.remove(STATE_PENDING_URI);
1156		}
1157		super.onSaveInstanceState(savedInstanceState);
1158	}
1159
1160	private void clearPending() {
1161		mPendingImageUris.clear();
1162		mPendingFileUris.clear();
1163		mPendingGeoUri = null;
1164		mPostponedActivityResult = null;
1165	}
1166
1167	@Override
1168	void onBackendConnected() {
1169		this.xmppConnectionService.getNotificationService().setIsInForeground(true);
1170		updateConversationList();
1171
1172		if (mPendingConferenceInvite != null) {
1173			if (mPendingConferenceInvite.execute(this)) {
1174				mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
1175				mToast.show();
1176			}
1177			mPendingConferenceInvite = null;
1178		}
1179
1180		final Intent intent = getIntent();
1181
1182		if (xmppConnectionService.getAccounts().size() == 0) {
1183			if (mRedirected.compareAndSet(false, true)) {
1184				if (Config.X509_VERIFICATION) {
1185					startActivity(new Intent(this, ManageAccountActivity.class));
1186				} else if (Config.MAGIC_CREATE_DOMAIN != null) {
1187					startActivity(new Intent(this, WelcomeActivity.class));
1188				} else {
1189					Intent editAccount = new Intent(this, EditAccountActivity.class);
1190					editAccount.putExtra("init",true);
1191					startActivity(editAccount);
1192				}
1193				finish();
1194			}
1195		} else if (conversationList.size() <= 0) {
1196			if (mRedirected.compareAndSet(false, true)) {
1197				Account pendingAccount = xmppConnectionService.getPendingAccount();
1198				if (pendingAccount == null) {
1199					Intent startConversationActivity = new Intent(this, StartConversationActivity.class);
1200					intent.putExtra("init", true);
1201					startActivity(startConversationActivity);
1202				} else {
1203					switchToAccount(pendingAccount, true);
1204				}
1205				finish();
1206			}
1207		} else if (selectConversationByUuid(mOpenConversation)) {
1208			if (mPanelOpen) {
1209				showConversationsOverview();
1210			} else {
1211				if (isConversationsOverviewHideable()) {
1212					openConversation();
1213					updateActionBarTitle(true);
1214				}
1215			}
1216			if (this.mConversationFragment.reInit(getSelectedConversation())) {
1217				Log.d(Config.LOGTAG,"setting scroll position on fragment");
1218				this.mConversationFragment.setScrollPosition(mScrollPosition);
1219			}
1220			mOpenConversation = null;
1221		} else if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
1222			clearPending();
1223			handleViewConversationIntent(intent);
1224			intent.setAction(Intent.ACTION_MAIN);
1225		} else if (getSelectedConversation() == null) {
1226			showConversationsOverview();
1227			clearPending();
1228			setSelectedConversation(conversationList.get(0));
1229			this.mConversationFragment.reInit(getSelectedConversation());
1230		} else {
1231			this.mConversationFragment.messageListAdapter.updatePreferences();
1232			this.mConversationFragment.messagesView.invalidateViews();
1233			this.mConversationFragment.setupIme();
1234		}
1235
1236		if (this.mPostponedActivityResult != null) {
1237			this.onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
1238		}
1239
1240		final boolean stopping;
1241		if (Build.VERSION.SDK_INT >= 17) {
1242			stopping = isFinishing() || isDestroyed();
1243		} else {
1244			stopping = isFinishing();
1245		}
1246
1247		if (!forbidProcessingPendings) {
1248			for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1249				Uri foo = i.next();
1250				Log.d(Config.LOGTAG,"ConversationsActivity.onBackendConnected() - attaching image to conversations. stopping="+Boolean.toString(stopping));
1251				attachImageToConversation(getSelectedConversation(), foo);
1252			}
1253
1254			for (Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
1255				Log.d(Config.LOGTAG,"ConversationsActivity.onBackendConnected() - attaching file to conversations. stopping="+Boolean.toString(stopping));
1256				attachFileToConversation(getSelectedConversation(), i.next());
1257			}
1258
1259			if (mPendingGeoUri != null) {
1260				attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1261				mPendingGeoUri = null;
1262			}
1263		}
1264		forbidProcessingPendings = false;
1265
1266		if (!ExceptionHelper.checkForCrash(this, this.xmppConnectionService)) {
1267			openBatteryOptimizationDialogIfNeeded();
1268		}
1269	}
1270
1271	private void handleViewConversationIntent(final Intent intent) {
1272		final String uuid = intent.getStringExtra(CONVERSATION);
1273		final String downloadUuid = intent.getStringExtra(EXTRA_DOWNLOAD_UUID);
1274		final String text = intent.getStringExtra(TEXT);
1275		final String nick = intent.getStringExtra(NICK);
1276		final boolean pm = intent.getBooleanExtra(PRIVATE_MESSAGE, false);
1277		if (selectConversationByUuid(uuid)) {
1278			this.mConversationFragment.reInit(getSelectedConversation());
1279			if (nick != null) {
1280				if (pm) {
1281					Jid jid = getSelectedConversation().getJid();
1282					try {
1283						Jid next = Jid.fromParts(jid.getLocalpart(), jid.getDomainpart(), nick);
1284						this.mConversationFragment.privateMessageWith(next);
1285					} catch (final InvalidJidException ignored) {
1286						//do nothing
1287					}
1288				} else {
1289					this.mConversationFragment.highlightInConference(nick);
1290				}
1291			} else {
1292				this.mConversationFragment.appendText(text);
1293			}
1294			hideConversationsOverview();
1295			mUnprocessedNewIntent = false;
1296			openConversation();
1297			if (mContentView instanceof SlidingPaneLayout) {
1298				updateActionBarTitle(true); //fixes bug where slp isn't properly closed yet
1299			}
1300			if (downloadUuid != null) {
1301				final Message message = mSelectedConversation.findMessageWithFileAndUuid(downloadUuid);
1302				if (message != null) {
1303					startDownloadable(message);
1304				}
1305			}
1306		} else {
1307			mUnprocessedNewIntent = false;
1308		}
1309	}
1310
1311	private boolean selectConversationByUuid(String uuid) {
1312		if (uuid == null) {
1313			return false;
1314		}
1315		for (Conversation aConversationList : conversationList) {
1316			if (aConversationList.getUuid().equals(uuid)) {
1317				setSelectedConversation(aConversationList);
1318				return true;
1319			}
1320		}
1321		return false;
1322	}
1323
1324	@Override
1325	protected void unregisterListeners() {
1326		super.unregisterListeners();
1327		xmppConnectionService.getNotificationService().setOpenConversation(null);
1328	}
1329
1330	@SuppressLint("NewApi")
1331	private static List<Uri> extractUriFromIntent(final Intent intent) {
1332		List<Uri> uris = new ArrayList<>();
1333		if (intent == null) {
1334			return uris;
1335		}
1336		Uri uri = intent.getData();
1337		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2 && uri == null) {
1338			final ClipData clipData = intent.getClipData();
1339			if (clipData != null) {
1340				for (int i = 0; i < clipData.getItemCount(); ++i) {
1341					uris.add(clipData.getItemAt(i).getUri());
1342				}
1343			}
1344		} else {
1345			uris.add(uri);
1346		}
1347		return uris;
1348	}
1349
1350	@Override
1351	protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
1352		super.onActivityResult(requestCode, resultCode, data);
1353		if (resultCode == RESULT_OK) {
1354			if (requestCode == REQUEST_DECRYPT_PGP) {
1355				mConversationFragment.onActivityResult(requestCode, resultCode, data);
1356			} else if (requestCode == REQUEST_CHOOSE_PGP_ID) {
1357				// the user chose OpenPGP for encryption and selected his key in the PGP provider
1358				if (xmppConnectionServiceBound) {
1359					if (data.getExtras().containsKey(OpenPgpApi.EXTRA_SIGN_KEY_ID)) {
1360						// associate selected PGP keyId with the account
1361						mSelectedConversation.getAccount().setPgpSignId(data.getExtras().getLong(OpenPgpApi.EXTRA_SIGN_KEY_ID));
1362						// we need to announce the key as described in XEP-027
1363						announcePgp(mSelectedConversation.getAccount(), null, onOpenPGPKeyPublished);
1364					} else {
1365						choosePgpSignId(mSelectedConversation.getAccount());
1366					}
1367					this.mPostponedActivityResult = null;
1368				} else {
1369					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1370				}
1371			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
1372				if (xmppConnectionServiceBound) {
1373					announcePgp(mSelectedConversation.getAccount(), mSelectedConversation, onOpenPGPKeyPublished);
1374					this.mPostponedActivityResult = null;
1375				} else {
1376					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1377				}
1378			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
1379				mPendingImageUris.clear();
1380				mPendingImageUris.addAll(extractUriFromIntent(data));
1381				if (xmppConnectionServiceBound) {
1382					for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1383						Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching image to conversations. CHOOSE_IMAGE");
1384						attachImageToConversation(getSelectedConversation(), i.next());
1385					}
1386				}
1387			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_FILE || requestCode == ATTACHMENT_CHOICE_RECORD_VOICE) {
1388				final List<Uri> uris = extractUriFromIntent(data);
1389				final Conversation c = getSelectedConversation();
1390				final OnPresenceSelected callback = new OnPresenceSelected() {
1391					@Override
1392					public void onPresenceSelected() {
1393						mPendingFileUris.clear();
1394						mPendingFileUris.addAll(uris);
1395						if (xmppConnectionServiceBound) {
1396							for (Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
1397								Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE");
1398								attachFileToConversation(c, i.next());
1399							}
1400						}
1401					}
1402				};
1403				if (c == null || c.getMode() == Conversation.MODE_MULTI
1404						|| FileBackend.allFilesUnderSize(this, uris, getMaxHttpUploadSize(c))
1405						|| c.getNextEncryption() == Message.ENCRYPTION_OTR) {
1406					callback.onPresenceSelected();
1407				} else {
1408					selectPresence(c, callback);
1409				}
1410			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
1411				if (mPendingImageUris.size() == 1) {
1412					Uri uri = FileBackend.getIndexableTakePhotoUri(mPendingImageUris.get(0));
1413					mPendingImageUris.set(0, uri);
1414					if (xmppConnectionServiceBound) {
1415						Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching image to conversations. TAKE_PHOTO");
1416						attachImageToConversation(getSelectedConversation(), uri);
1417						mPendingImageUris.clear();
1418					}
1419					Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1420					intent.setData(uri);
1421					sendBroadcast(intent);
1422				} else {
1423					mPendingImageUris.clear();
1424				}
1425			} else if (requestCode == ATTACHMENT_CHOICE_LOCATION) {
1426				double latitude = data.getDoubleExtra("latitude", 0);
1427				double longitude = data.getDoubleExtra("longitude", 0);
1428				this.mPendingGeoUri = Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude));
1429				if (xmppConnectionServiceBound) {
1430					attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1431					this.mPendingGeoUri = null;
1432				}
1433			} else if (requestCode == REQUEST_TRUST_KEYS_TEXT || requestCode == REQUEST_TRUST_KEYS_MENU) {
1434				this.forbidProcessingPendings = !xmppConnectionServiceBound;
1435				if (xmppConnectionServiceBound) {
1436					mConversationFragment.onActivityResult(requestCode, resultCode, data);
1437					this.mPostponedActivityResult = null;
1438				} else {
1439					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1440				}
1441
1442			}
1443		} else {
1444			mPendingImageUris.clear();
1445			mPendingFileUris.clear();
1446			if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1447				mConversationFragment.onActivityResult(requestCode, resultCode, data);
1448			}
1449			if (requestCode == REQUEST_BATTERY_OP) {
1450				setNeverAskForBatteryOptimizationsAgain();
1451			}
1452		}
1453	}
1454
1455	private long getMaxHttpUploadSize(Conversation conversation) {
1456		final XmppConnection connection = conversation.getAccount().getXmppConnection();
1457		return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
1458	}
1459
1460	private void setNeverAskForBatteryOptimizationsAgain() {
1461		getPreferences().edit().putBoolean("show_battery_optimization", false).commit();
1462	}
1463
1464	private void openBatteryOptimizationDialogIfNeeded() {
1465		if (hasAccountWithoutPush()
1466				&& isOptimizingBattery()
1467				&& getPreferences().getBoolean("show_battery_optimization", true)) {
1468			AlertDialog.Builder builder = new AlertDialog.Builder(this);
1469			builder.setTitle(R.string.battery_optimizations_enabled);
1470			builder.setMessage(R.string.battery_optimizations_enabled_dialog);
1471			builder.setPositiveButton(R.string.next, new OnClickListener() {
1472				@Override
1473				public void onClick(DialogInterface dialog, int which) {
1474					Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
1475					Uri uri = Uri.parse("package:" + getPackageName());
1476					intent.setData(uri);
1477					try {
1478						startActivityForResult(intent, REQUEST_BATTERY_OP);
1479					} catch (ActivityNotFoundException e) {
1480						Toast.makeText(ConversationActivity.this, R.string.device_does_not_support_battery_op, Toast.LENGTH_SHORT).show();
1481					}
1482				}
1483			});
1484			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
1485				builder.setOnDismissListener(new DialogInterface.OnDismissListener() {
1486					@Override
1487					public void onDismiss(DialogInterface dialog) {
1488						setNeverAskForBatteryOptimizationsAgain();
1489					}
1490				});
1491			}
1492			builder.create().show();
1493		}
1494	}
1495
1496	private boolean hasAccountWithoutPush() {
1497		for(Account account : xmppConnectionService.getAccounts()) {
1498			if (account.getStatus() != Account.State.DISABLED
1499					&& !xmppConnectionService.getPushManagementService().available(account)) {
1500				return true;
1501			}
1502		}
1503		return false;
1504	}
1505
1506	private void attachLocationToConversation(Conversation conversation, Uri uri) {
1507		if (conversation == null) {
1508			return;
1509		}
1510		xmppConnectionService.attachLocationToConversation(conversation,uri, new UiCallback<Message>() {
1511
1512			@Override
1513			public void success(Message message) {
1514				xmppConnectionService.sendMessage(message);
1515			}
1516
1517			@Override
1518			public void error(int errorCode, Message object) {
1519
1520			}
1521
1522			@Override
1523			public void userInputRequried(PendingIntent pi, Message object) {
1524
1525			}
1526		});
1527	}
1528
1529	private void attachFileToConversation(Conversation conversation, Uri uri) {
1530		if (conversation == null) {
1531			return;
1532		}
1533		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_file), Toast.LENGTH_LONG);
1534		prepareFileToast.show();
1535		xmppConnectionService.attachFileToConversation(conversation, uri, new UiCallback<Message>() {
1536			@Override
1537			public void success(Message message) {
1538				hidePrepareFileToast(prepareFileToast);
1539				xmppConnectionService.sendMessage(message);
1540			}
1541
1542			@Override
1543			public void error(final int errorCode, Message message) {
1544				hidePrepareFileToast(prepareFileToast);
1545				runOnUiThread(new Runnable() {
1546					@Override
1547					public void run() {
1548						replaceToast(getString(errorCode));
1549					}
1550				});
1551
1552			}
1553
1554			@Override
1555			public void userInputRequried(PendingIntent pi, Message message) {
1556				hidePrepareFileToast(prepareFileToast);
1557			}
1558		});
1559	}
1560
1561	private void attachImageToConversation(Conversation conversation, Uri uri) {
1562		if (conversation == null) {
1563			return;
1564		}
1565		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_image), Toast.LENGTH_LONG);
1566		prepareFileToast.show();
1567		xmppConnectionService.attachImageToConversation(conversation, uri,
1568				new UiCallback<Message>() {
1569
1570					@Override
1571					public void userInputRequried(PendingIntent pi, Message object) {
1572						hidePrepareFileToast(prepareFileToast);
1573					}
1574
1575					@Override
1576					public void success(Message message) {
1577						hidePrepareFileToast(prepareFileToast);
1578						xmppConnectionService.sendMessage(message);
1579					}
1580
1581					@Override
1582					public void error(final int error, Message message) {
1583						hidePrepareFileToast(prepareFileToast);
1584						runOnUiThread(new Runnable() {
1585							@Override
1586							public void run() {
1587								replaceToast(getString(error));
1588							}
1589						});
1590					}
1591				});
1592	}
1593
1594	private void hidePrepareFileToast(final Toast prepareFileToast) {
1595		if (prepareFileToast != null) {
1596			runOnUiThread(new Runnable() {
1597
1598				@Override
1599				public void run() {
1600					prepareFileToast.cancel();
1601				}
1602			});
1603		}
1604	}
1605
1606	public void updateConversationList() {
1607		xmppConnectionService
1608			.populateWithOrderedConversations(conversationList);
1609		if (swipedConversation != null) {
1610			if (swipedConversation.isRead()) {
1611				conversationList.remove(swipedConversation);
1612			} else {
1613				listView.discardUndo();
1614			}
1615		}
1616		listAdapter.notifyDataSetChanged();
1617	}
1618
1619	public void runIntent(PendingIntent pi, int requestCode) {
1620		try {
1621			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
1622					null, 0, 0, 0);
1623		} catch (final SendIntentException ignored) {
1624		}
1625	}
1626
1627	public void encryptTextMessage(Message message) {
1628		xmppConnectionService.getPgpEngine().encrypt(message,
1629				new UiCallback<Message>() {
1630
1631					@Override
1632					public void userInputRequried(PendingIntent pi,Message message) {
1633						ConversationActivity.this.runIntent(pi,ConversationActivity.REQUEST_SEND_MESSAGE);
1634					}
1635
1636					@Override
1637					public void success(Message message) {
1638						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1639						xmppConnectionService.sendMessage(message);
1640						if (mConversationFragment != null) {
1641							mConversationFragment.messageSent();
1642						}
1643					}
1644
1645					@Override
1646					public void error(final int error, Message message) {
1647						runOnUiThread(new Runnable() {
1648							@Override
1649							public void run() {
1650								Toast.makeText(ConversationActivity.this,
1651										R.string.unable_to_connect_to_keychain,
1652										Toast.LENGTH_SHORT
1653								).show();
1654							}
1655						});
1656					}
1657				});
1658	}
1659
1660	public boolean useSendButtonToIndicateStatus() {
1661		return getPreferences().getBoolean("send_button_status", false);
1662	}
1663
1664	public boolean indicateReceived() {
1665		return getPreferences().getBoolean("indicate_received", false);
1666	}
1667
1668	public boolean useGreenBackground() {
1669		return getPreferences().getBoolean("use_green_background",true);
1670	}
1671
1672	protected boolean trustKeysIfNeeded(int requestCode) {
1673		return trustKeysIfNeeded(requestCode, ATTACHMENT_CHOICE_INVALID);
1674	}
1675
1676	protected boolean trustKeysIfNeeded(int requestCode, int attachmentChoice) {
1677		AxolotlService axolotlService = mSelectedConversation.getAccount().getAxolotlService();
1678		final List<Jid> targets = axolotlService.getCryptoTargets(mSelectedConversation);
1679		boolean hasUnaccepted = !mSelectedConversation.getAcceptedCryptoTargets().containsAll(targets);
1680		boolean hasUndecidedOwn = !axolotlService.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED).isEmpty();
1681		boolean hasUndecidedContacts = !axolotlService.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED, targets).isEmpty();
1682		boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(mSelectedConversation).isEmpty();
1683		boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1684		if(hasUndecidedOwn || hasUndecidedContacts || hasPendingKeys || hasNoTrustedKeys || hasUnaccepted) {
1685			axolotlService.createSessionsIfNeeded(mSelectedConversation);
1686			Intent intent = new Intent(getApplicationContext(), TrustKeysActivity.class);
1687			String[] contacts = new String[targets.size()];
1688			for(int i = 0; i < contacts.length; ++i) {
1689				contacts[i] = targets.get(i).toString();
1690			}
1691			intent.putExtra("contacts", contacts);
1692			intent.putExtra(EXTRA_ACCOUNT, mSelectedConversation.getAccount().getJid().toBareJid().toString());
1693			intent.putExtra("choice", attachmentChoice);
1694			intent.putExtra("conversation",mSelectedConversation.getUuid());
1695			startActivityForResult(intent, requestCode);
1696			return true;
1697		} else {
1698			return false;
1699		}
1700	}
1701
1702	@Override
1703	protected void refreshUiReal() {
1704		updateConversationList();
1705		if (conversationList.size() > 0) {
1706			if (!this.mConversationFragment.isAdded()) {
1707				Log.d(Config.LOGTAG,"fragment NOT added to activity. detached="+Boolean.toString(mConversationFragment.isDetached()));
1708			}
1709			ConversationActivity.this.mConversationFragment.updateMessages();
1710			updateActionBarTitle();
1711			invalidateOptionsMenu();
1712		} else {
1713			Log.d(Config.LOGTAG,"not updating conversations fragment because conversations list size was 0");
1714		}
1715	}
1716
1717	@Override
1718	public void onAccountUpdate() {
1719		this.refreshUi();
1720	}
1721
1722	@Override
1723	public void onConversationUpdate() {
1724		this.refreshUi();
1725	}
1726
1727	@Override
1728	public void onRosterUpdate() {
1729		this.refreshUi();
1730	}
1731
1732	@Override
1733	public void OnUpdateBlocklist(Status status) {
1734		this.refreshUi();
1735	}
1736
1737	public void unblockConversation(final Blockable conversation) {
1738		xmppConnectionService.sendUnblockRequest(conversation);
1739	}
1740
1741	public boolean enterIsSend() {
1742		return getPreferences().getBoolean("enter_is_send",false);
1743	}
1744
1745	@Override
1746	public void onShowErrorToast(final int resId) {
1747		runOnUiThread(new Runnable() {
1748			@Override
1749			public void run() {
1750				Toast.makeText(ConversationActivity.this,resId,Toast.LENGTH_SHORT).show();
1751			}
1752		});
1753	}
1754
1755	public boolean highlightSelectedConversations() {
1756		return !isConversationsOverviewHideable() || this.conversationWasSelectedByKeyboard;
1757	}
1758
1759	public void setMessagesLoaded() {
1760		if (mConversationFragment != null) {
1761			mConversationFragment.setMessagesLoaded();
1762			mConversationFragment.updateMessages();
1763		}
1764	}
1765}