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.FingerprintStatus;
  53import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
  54import eu.siacs.conversations.entities.Account;
  55import eu.siacs.conversations.entities.Blockable;
  56import eu.siacs.conversations.entities.Contact;
  57import eu.siacs.conversations.entities.Conversation;
  58import eu.siacs.conversations.entities.Message;
  59import eu.siacs.conversations.entities.Transferable;
  60import eu.siacs.conversations.persistance.FileBackend;
  61import eu.siacs.conversations.services.XmppConnectionService;
  62import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
  63import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
  64import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  65import eu.siacs.conversations.ui.adapter.ConversationAdapter;
  66import eu.siacs.conversations.utils.ExceptionHelper;
  67import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  68import eu.siacs.conversations.xmpp.XmppConnection;
  69import eu.siacs.conversations.xmpp.jid.InvalidJidException;
  70import eu.siacs.conversations.xmpp.jid.Jid;
  71
  72public class ConversationActivity extends XmppActivity
  73	implements OnAccountUpdate, OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, XmppConnectionService.OnShowErrorToast {
  74
  75	public static final String ACTION_VIEW_CONVERSATION = "eu.siacs.conversations.action.VIEW";
  76	public static final String CONVERSATION = "conversationUuid";
  77	public static final String EXTRA_DOWNLOAD_UUID = "eu.siacs.conversations.download_uuid";
  78	public static final String TEXT = "text";
  79	public static final String NICK = "nick";
  80	public static final String PRIVATE_MESSAGE = "pm";
  81
  82	public static final int REQUEST_SEND_MESSAGE = 0x0201;
  83	public static final int REQUEST_DECRYPT_PGP = 0x0202;
  84	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
  85	public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
  86	public static final int REQUEST_TRUST_KEYS_MENU = 0x0209;
  87	public static final int REQUEST_START_DOWNLOAD = 0x0210;
  88	public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
  89	public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
  90	public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
  91	public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
  92	public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
  93	public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
  94	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
  95	private static final String STATE_PANEL_OPEN = "state_panel_open";
  96	private static final String STATE_PENDING_URI = "state_pending_uri";
  97	private static final String STATE_FIRST_VISIBLE = "first_visible";
  98	private static final String STATE_OFFSET_FROM_TOP = "offset_from_top";
  99
 100	private String mOpenConversation = null;
 101	private boolean mPanelOpen = true;
 102	private AtomicBoolean mShouldPanelBeOpen = new AtomicBoolean(false);
 103	private Pair<Integer,Integer> mScrollPosition = null;
 104	final private List<Uri> mPendingImageUris = new ArrayList<>();
 105	final private List<Uri> mPendingFileUris = new ArrayList<>();
 106	private Uri mPendingGeoUri = null;
 107	private boolean forbidProcessingPendings = false;
 108	private Message mPendingDownloadableMessage = null;
 109
 110	private boolean conversationWasSelectedByKeyboard = false;
 111
 112	private View mContentView;
 113
 114	private List<Conversation> conversationList = new ArrayList<>();
 115	private Conversation swipedConversation = null;
 116	private Conversation mSelectedConversation = null;
 117	private EnhancedListView listView;
 118	private ConversationFragment mConversationFragment;
 119
 120	private ArrayAdapter<Conversation> listAdapter;
 121
 122	private boolean mActivityPaused = false;
 123	private AtomicBoolean mRedirected = new AtomicBoolean(false);
 124	private Pair<Integer, Intent> mPostponedActivityResult;
 125	private boolean mUnprocessedNewIntent = false;
 126
 127	public Conversation getSelectedConversation() {
 128		return this.mSelectedConversation;
 129	}
 130
 131	public void setSelectedConversation(Conversation conversation) {
 132		this.mSelectedConversation = conversation;
 133	}
 134
 135	public void showConversationsOverview() {
 136		if (mContentView instanceof SlidingPaneLayout) {
 137			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 138			mShouldPanelBeOpen.set(true);
 139			mSlidingPaneLayout.openPane();
 140		}
 141	}
 142
 143	@Override
 144	protected String getShareableUri() {
 145		Conversation conversation = getSelectedConversation();
 146		if (conversation != null) {
 147			return conversation.getAccount().getShareableUri();
 148		} else {
 149			return "";
 150		}
 151	}
 152
 153	public void hideConversationsOverview() {
 154		if (mContentView instanceof SlidingPaneLayout) {
 155			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 156			mShouldPanelBeOpen.set(false);
 157			mSlidingPaneLayout.closePane();
 158		}
 159	}
 160
 161	public boolean isConversationsOverviewHideable() {
 162		return mContentView instanceof SlidingPaneLayout;
 163	}
 164
 165	public boolean isConversationsOverviewVisable() {
 166		if (mContentView instanceof SlidingPaneLayout) {
 167			return mShouldPanelBeOpen.get();
 168		} else {
 169			return true;
 170		}
 171	}
 172
 173	@Override
 174	protected void onCreate(final Bundle savedInstanceState) {
 175		super.onCreate(savedInstanceState);
 176		if (savedInstanceState != null) {
 177			mOpenConversation = savedInstanceState.getString(STATE_OPEN_CONVERSATION, null);
 178			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
 179			int pos = savedInstanceState.getInt(STATE_FIRST_VISIBLE, -1);
 180			int offset = savedInstanceState.getInt(STATE_OFFSET_FROM_TOP, 1);
 181			if (pos >= 0 && offset <= 0) {
 182				Log.d(Config.LOGTAG,"retrieved scroll position from instanceState "+pos+":"+offset);
 183				mScrollPosition = new Pair<>(pos,offset);
 184			} else {
 185				mScrollPosition = null;
 186			}
 187			String pending = savedInstanceState.getString(STATE_PENDING_URI, null);
 188			if (pending != null) {
 189				Log.d(Config.LOGTAG,"ConversationsActivity.onCreate() - restoring pending image uri");
 190				mPendingImageUris.clear();
 191				mPendingImageUris.add(Uri.parse(pending));
 192			}
 193		}
 194
 195		setContentView(R.layout.fragment_conversations_overview);
 196
 197		this.mConversationFragment = new ConversationFragment();
 198		FragmentTransaction transaction = getFragmentManager().beginTransaction();
 199		transaction.replace(R.id.selected_conversation, this.mConversationFragment, "conversation");
 200		transaction.commit();
 201
 202		listView = (EnhancedListView) findViewById(R.id.list);
 203		this.listAdapter = new ConversationAdapter(this, conversationList);
 204		listView.setAdapter(this.listAdapter);
 205
 206		if (getActionBar() != null) {
 207			getActionBar().setDisplayHomeAsUpEnabled(false);
 208			getActionBar().setHomeButtonEnabled(false);
 209		}
 210
 211		listView.setOnItemClickListener(new OnItemClickListener() {
 212
 213			@Override
 214			public void onItemClick(AdapterView<?> arg0, View clickedView,
 215									int position, long arg3) {
 216				if (getSelectedConversation() != conversationList.get(position)) {
 217					setSelectedConversation(conversationList.get(position));
 218					ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 219					conversationWasSelectedByKeyboard = false;
 220				}
 221				hideConversationsOverview();
 222				openConversation();
 223			}
 224		});
 225
 226		listView.setDismissCallback(new EnhancedListView.OnDismissCallback() {
 227
 228			@Override
 229			public EnhancedListView.Undoable onDismiss(final EnhancedListView enhancedListView, final int position) {
 230
 231				final int index = listView.getFirstVisiblePosition();
 232				View v = listView.getChildAt(0);
 233				final int top = (v == null) ? 0 : (v.getTop() - listView.getPaddingTop());
 234
 235				try {
 236					swipedConversation = listAdapter.getItem(position);
 237				} catch (IndexOutOfBoundsException e) {
 238					return null;
 239				}
 240				listAdapter.remove(swipedConversation);
 241				xmppConnectionService.markRead(swipedConversation);
 242
 243				final boolean formerlySelected = (getSelectedConversation() == swipedConversation);
 244				if (position == 0 && listAdapter.getCount() == 0) {
 245					endConversation(swipedConversation, false, true);
 246					return null;
 247				} else if (formerlySelected) {
 248					setSelectedConversation(listAdapter.getItem(0));
 249					ConversationActivity.this.mConversationFragment
 250							.reInit(getSelectedConversation());
 251				}
 252
 253				return new EnhancedListView.Undoable() {
 254
 255					@Override
 256					public void undo() {
 257						listAdapter.insert(swipedConversation, position);
 258						if (formerlySelected) {
 259							setSelectedConversation(swipedConversation);
 260							ConversationActivity.this.mConversationFragment
 261									.reInit(getSelectedConversation());
 262						}
 263						swipedConversation = null;
 264						listView.setSelectionFromTop(index + (listView.getChildCount() < position ? 1 : 0), top);
 265					}
 266
 267					@Override
 268					public void discard() {
 269						if (!swipedConversation.isRead()
 270								&& swipedConversation.getMode() == Conversation.MODE_SINGLE) {
 271							swipedConversation = null;
 272							return;
 273						}
 274						endConversation(swipedConversation, false, false);
 275						swipedConversation = null;
 276					}
 277
 278					@Override
 279					public String getTitle() {
 280						if (swipedConversation.getMode() == Conversation.MODE_MULTI) {
 281							return getResources().getString(R.string.title_undo_swipe_out_muc);
 282						} else {
 283							return getResources().getString(R.string.title_undo_swipe_out_conversation);
 284						}
 285					}
 286				};
 287			}
 288		});
 289		listView.enableSwipeToDismiss();
 290		listView.setSwipingLayout(R.id.swipeable_item);
 291		listView.setUndoStyle(EnhancedListView.UndoStyle.SINGLE_POPUP);
 292		listView.setUndoHideDelay(5000);
 293		listView.setRequireTouchBeforeDismiss(false);
 294
 295		mContentView = findViewById(R.id.content_view_spl);
 296		if (mContentView == null) {
 297			mContentView = findViewById(R.id.content_view_ll);
 298		}
 299		if (mContentView instanceof SlidingPaneLayout) {
 300			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 301			mSlidingPaneLayout.setShadowResource(R.drawable.es_slidingpane_shadow);
 302			mSlidingPaneLayout.setSliderFadeColor(0);
 303			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
 304
 305				@Override
 306				public void onPanelOpened(View arg0) {
 307					updateActionBarTitle();
 308					invalidateOptionsMenu();
 309					hideKeyboard();
 310					if (xmppConnectionServiceBound) {
 311						xmppConnectionService.getNotificationService()
 312								.setOpenConversation(null);
 313					}
 314					closeContextMenu();
 315				}
 316
 317				@Override
 318				public void onPanelClosed(View arg0) {
 319					listView.discardUndo();
 320					openConversation();
 321				}
 322
 323				@Override
 324				public void onPanelSlide(View arg0, float arg1) {
 325					// TODO Auto-generated method stub
 326
 327				}
 328			});
 329		}
 330	}
 331
 332	@Override
 333	public void switchToConversation(Conversation conversation) {
 334		setSelectedConversation(conversation);
 335		runOnUiThread(new Runnable() {
 336			@Override
 337			public void run() {
 338				ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 339				openConversation();
 340			}
 341		});
 342	}
 343
 344	private void updateActionBarTitle() {
 345		updateActionBarTitle(isConversationsOverviewHideable() && !isConversationsOverviewVisable());
 346	}
 347
 348	private void updateActionBarTitle(boolean titleShouldBeName) {
 349		final ActionBar ab = getActionBar();
 350		final Conversation conversation = getSelectedConversation();
 351		if (ab != null) {
 352			if (titleShouldBeName && conversation != null) {
 353				ab.setDisplayHomeAsUpEnabled(true);
 354				ab.setHomeButtonEnabled(true);
 355				if (conversation.getMode() == Conversation.MODE_SINGLE || useSubjectToIdentifyConference()) {
 356					ab.setTitle(conversation.getName());
 357				} else {
 358					ab.setTitle(conversation.getJid().toBareJid().toString());
 359				}
 360			} else {
 361				ab.setDisplayHomeAsUpEnabled(false);
 362				ab.setHomeButtonEnabled(false);
 363				ab.setTitle(R.string.app_name);
 364			}
 365		}
 366	}
 367
 368	private void openConversation() {
 369		this.updateActionBarTitle();
 370		this.invalidateOptionsMenu();
 371		if (xmppConnectionServiceBound) {
 372			final Conversation conversation = getSelectedConversation();
 373			xmppConnectionService.getNotificationService().setOpenConversation(conversation);
 374			sendReadMarkerIfNecessary(conversation);
 375		}
 376		listAdapter.notifyDataSetChanged();
 377	}
 378
 379	public void sendReadMarkerIfNecessary(final Conversation conversation) {
 380		if (!mActivityPaused && !mUnprocessedNewIntent && conversation != null) {
 381			xmppConnectionService.sendReadMarker(conversation);
 382		}
 383	}
 384
 385	@Override
 386	public boolean onCreateOptionsMenu(Menu menu) {
 387		getMenuInflater().inflate(R.menu.conversations, menu);
 388		final MenuItem menuSecure = menu.findItem(R.id.action_security);
 389		final MenuItem menuArchive = menu.findItem(R.id.action_archive);
 390		final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
 391		final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
 392		final MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
 393		final MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
 394		final MenuItem menuAdd = menu.findItem(R.id.action_add);
 395		final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
 396		final MenuItem menuMute = menu.findItem(R.id.action_mute);
 397		final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
 398
 399		if (isConversationsOverviewVisable() && isConversationsOverviewHideable()) {
 400			menuArchive.setVisible(false);
 401			menuMucDetails.setVisible(false);
 402			menuContactDetails.setVisible(false);
 403			menuSecure.setVisible(false);
 404			menuInviteContact.setVisible(false);
 405			menuAttach.setVisible(false);
 406			menuClearHistory.setVisible(false);
 407			menuMute.setVisible(false);
 408			menuUnmute.setVisible(false);
 409		} else {
 410			menuAdd.setVisible(!isConversationsOverviewHideable());
 411			if (this.getSelectedConversation() != null) {
 412				if (this.getSelectedConversation().getNextEncryption() != Message.ENCRYPTION_NONE) {
 413					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 414						menuSecure.setIcon(R.drawable.ic_lock_white_24dp);
 415					} else {
 416						menuSecure.setIcon(R.drawable.ic_action_secure);
 417					}
 418				}
 419				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
 420					menuContactDetails.setVisible(false);
 421					menuAttach.setVisible(getSelectedConversation().getAccount().httpUploadAvailable() && getSelectedConversation().getMucOptions().participating());
 422					menuInviteContact.setVisible(getSelectedConversation().getMucOptions().canInvite());
 423					menuSecure.setVisible((Config.supportOpenPgp() || Config.supportOmemo()) && Config.multipleEncryptionChoices()); //only if pgp is supported we have a choice
 424				} else {
 425					menuContactDetails.setVisible(!this.getSelectedConversation().withSelf());
 426					menuMucDetails.setVisible(false);
 427					menuSecure.setVisible(Config.multipleEncryptionChoices());
 428				}
 429				if (this.getSelectedConversation().isMuted()) {
 430					menuMute.setVisible(false);
 431				} else {
 432					menuUnmute.setVisible(false);
 433				}
 434			}
 435		}
 436		if (Config.supportOmemo()) {
 437			new Handler().post(new Runnable() {
 438				@Override
 439				public void run() {
 440					View view = findViewById(R.id.action_security);
 441					if (view != null) {
 442						view.setOnLongClickListener(new View.OnLongClickListener() {
 443							@Override
 444							public boolean onLongClick(View v) {
 445								return quickOmemoDebugger(getSelectedConversation());
 446							}
 447						});
 448					}
 449				}
 450			});
 451		}
 452		return super.onCreateOptionsMenu(menu);
 453	}
 454
 455	private boolean quickOmemoDebugger(Conversation c) {
 456		if (c != null) {
 457			boolean single = c.getMode() == Conversation.MODE_SINGLE;
 458			AxolotlService axolotlService = c.getAccount().getAxolotlService();
 459			Pair<AxolotlService.AxolotlCapability,Jid> capabilityJidPair = axolotlService.isConversationAxolotlCapableDetailed(c);
 460			switch (capabilityJidPair.first) {
 461				case MISSING_PRESENCE:
 462					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();
 463					return true;
 464				case MISSING_KEYS:
 465					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();
 466					return true;
 467				case WRONG_CONFIGURATION:
 468					Toast.makeText(ConversationActivity.this,R.string.wrong_conference_configuration, Toast.LENGTH_SHORT).show();
 469					return true;
 470				case NO_MEMBERS:
 471					Toast.makeText(ConversationActivity.this,R.string.this_conference_has_no_members, Toast.LENGTH_SHORT).show();
 472					return true;
 473			}
 474		}
 475		return false;
 476	}
 477
 478	protected void selectPresenceToAttachFile(final int attachmentChoice, final int encryption) {
 479		final Conversation conversation = getSelectedConversation();
 480		final Account account = conversation.getAccount();
 481		final OnPresenceSelected callback = new OnPresenceSelected() {
 482
 483			@Override
 484			public void onPresenceSelected() {
 485				Intent intent = new Intent();
 486				boolean chooser = false;
 487				String fallbackPackageId = null;
 488				switch (attachmentChoice) {
 489					case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 490						intent.setAction(Intent.ACTION_GET_CONTENT);
 491						if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 492							intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 493						}
 494						intent.setType("image/*");
 495						chooser = true;
 496						break;
 497					case ATTACHMENT_CHOICE_TAKE_PHOTO:
 498						Uri uri = xmppConnectionService.getFileBackend().getTakePhotoUri();
 499						intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 500						intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 501						intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
 502						intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
 503						mPendingImageUris.clear();
 504						mPendingImageUris.add(uri);
 505						break;
 506					case ATTACHMENT_CHOICE_CHOOSE_FILE:
 507						chooser = true;
 508						intent.setType("*/*");
 509						intent.addCategory(Intent.CATEGORY_OPENABLE);
 510						intent.setAction(Intent.ACTION_GET_CONTENT);
 511						break;
 512					case ATTACHMENT_CHOICE_RECORD_VOICE:
 513						intent.setAction(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
 514						fallbackPackageId = "eu.siacs.conversations.voicerecorder";
 515						break;
 516					case ATTACHMENT_CHOICE_LOCATION:
 517						intent.setAction("eu.siacs.conversations.location.request");
 518						fallbackPackageId = "eu.siacs.conversations.sharelocation";
 519						break;
 520				}
 521				if (intent.resolveActivity(getPackageManager()) != null) {
 522					if (chooser) {
 523						startActivityForResult(
 524								Intent.createChooser(intent, getString(R.string.perform_action_with)),
 525								attachmentChoice);
 526					} else {
 527						startActivityForResult(intent, attachmentChoice);
 528					}
 529				} else if (fallbackPackageId != null) {
 530					startActivity(getInstallApkIntent(fallbackPackageId));
 531				}
 532			}
 533		};
 534		if ((account.httpUploadAvailable() || attachmentChoice == ATTACHMENT_CHOICE_LOCATION) && encryption != Message.ENCRYPTION_OTR) {
 535			conversation.setNextCounterpart(null);
 536			callback.onPresenceSelected();
 537		} else {
 538			selectPresence(conversation, callback);
 539		}
 540	}
 541
 542	private Intent getInstallApkIntent(final String packageId) {
 543		Intent intent = new Intent(Intent.ACTION_VIEW);
 544		intent.setData(Uri.parse("market://details?id=" + packageId));
 545		if (intent.resolveActivity(getPackageManager()) != null) {
 546			return intent;
 547		} else {
 548			intent.setData(Uri.parse("http://play.google.com/store/apps/details?id=" + packageId));
 549			return intent;
 550		}
 551	}
 552
 553	public void attachFile(final int attachmentChoice) {
 554		if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
 555			if (!Config.ONLY_INTERNAL_STORAGE && !hasStoragePermission(attachmentChoice)) {
 556				return;
 557			}
 558		}
 559		switch (attachmentChoice) {
 560			case ATTACHMENT_CHOICE_LOCATION:
 561				getPreferences().edit().putString("recently_used_quick_action", "location").apply();
 562				break;
 563			case ATTACHMENT_CHOICE_RECORD_VOICE:
 564				getPreferences().edit().putString("recently_used_quick_action", "voice").apply();
 565				break;
 566			case ATTACHMENT_CHOICE_TAKE_PHOTO:
 567				getPreferences().edit().putString("recently_used_quick_action", "photo").apply();
 568				break;
 569			case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 570				getPreferences().edit().putString("recently_used_quick_action", "picture").apply();
 571				break;
 572		}
 573		final Conversation conversation = getSelectedConversation();
 574		final int encryption = conversation.getNextEncryption();
 575		final int mode = conversation.getMode();
 576		if (encryption == Message.ENCRYPTION_PGP) {
 577			if (hasPgp()) {
 578				if (mode == Conversation.MODE_SINGLE && conversation.getContact().getPgpKeyId() != 0) {
 579					xmppConnectionService.getPgpEngine().hasKey(
 580							conversation.getContact(),
 581							new UiCallback<Contact>() {
 582
 583								@Override
 584								public void userInputRequried(PendingIntent pi, Contact contact) {
 585									ConversationActivity.this.runIntent(pi, attachmentChoice);
 586								}
 587
 588								@Override
 589								public void success(Contact contact) {
 590									selectPresenceToAttachFile(attachmentChoice, encryption);
 591								}
 592
 593								@Override
 594								public void error(int error, Contact contact) {
 595									replaceToast(getString(error));
 596								}
 597							});
 598				} else if (mode == Conversation.MODE_MULTI && conversation.getMucOptions().pgpKeysInUse()) {
 599					if (!conversation.getMucOptions().everybodyHasKeys()) {
 600						Toast warning = Toast
 601								.makeText(this,
 602										R.string.missing_public_keys,
 603										Toast.LENGTH_LONG);
 604						warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
 605						warning.show();
 606					}
 607					selectPresenceToAttachFile(attachmentChoice, encryption);
 608				} else {
 609					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 610							.findFragmentByTag("conversation");
 611					if (fragment != null) {
 612						fragment.showNoPGPKeyDialog(false,
 613								new OnClickListener() {
 614
 615									@Override
 616									public void onClick(DialogInterface dialog,
 617														int which) {
 618										conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 619										xmppConnectionService.updateConversation(conversation);
 620										selectPresenceToAttachFile(attachmentChoice, Message.ENCRYPTION_NONE);
 621									}
 622								});
 623					}
 624				}
 625			} else {
 626				showInstallPgpDialog();
 627			}
 628		} else {
 629			if (encryption != Message.ENCRYPTION_AXOLOTL || !trustKeysIfNeeded(REQUEST_TRUST_KEYS_MENU, attachmentChoice)) {
 630				selectPresenceToAttachFile(attachmentChoice, encryption);
 631			}
 632		}
 633	}
 634
 635	@Override
 636	public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
 637		if (grantResults.length > 0)
 638			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 639				if (requestCode == REQUEST_START_DOWNLOAD) {
 640					if (this.mPendingDownloadableMessage != null) {
 641						startDownloadable(this.mPendingDownloadableMessage);
 642					}
 643				} else {
 644					attachFile(requestCode);
 645				}
 646			} else {
 647				Toast.makeText(this, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
 648			}
 649	}
 650
 651	public void startDownloadable(Message message) {
 652		if (!Config.ONLY_INTERNAL_STORAGE && !hasStoragePermission(ConversationActivity.REQUEST_START_DOWNLOAD)) {
 653			this.mPendingDownloadableMessage = message;
 654			return;
 655		}
 656		Transferable transferable = message.getTransferable();
 657		if (transferable != null) {
 658			if (!transferable.start()) {
 659				Toast.makeText(this, R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
 660			}
 661		} else if (message.treatAsDownloadable() != Message.Decision.NEVER) {
 662			xmppConnectionService.getHttpConnectionManager().createNewDownloadConnection(message, true);
 663		}
 664	}
 665
 666	@Override
 667	public boolean onOptionsItemSelected(final MenuItem item) {
 668		if (item.getItemId() == android.R.id.home) {
 669			showConversationsOverview();
 670			return true;
 671		} else if (item.getItemId() == R.id.action_add) {
 672			startActivity(new Intent(this, StartConversationActivity.class));
 673			return true;
 674		} else if (getSelectedConversation() != null) {
 675			switch (item.getItemId()) {
 676				case R.id.action_attach_file:
 677					attachFileDialog();
 678					break;
 679				case R.id.action_archive:
 680					this.endConversation(getSelectedConversation());
 681					break;
 682				case R.id.action_contact_details:
 683					switchToContactDetails(getSelectedConversation().getContact());
 684					break;
 685				case R.id.action_muc_details:
 686					Intent intent = new Intent(this,
 687							ConferenceDetailsActivity.class);
 688					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
 689					intent.putExtra("uuid", getSelectedConversation().getUuid());
 690					startActivity(intent);
 691					break;
 692				case R.id.action_invite:
 693					inviteToConversation(getSelectedConversation());
 694					break;
 695				case R.id.action_security:
 696					selectEncryptionDialog(getSelectedConversation());
 697					break;
 698				case R.id.action_clear_history:
 699					clearHistoryDialog(getSelectedConversation());
 700					break;
 701				case R.id.action_mute:
 702					muteConversationDialog(getSelectedConversation());
 703					break;
 704				case R.id.action_unmute:
 705					unmuteConversation(getSelectedConversation());
 706					break;
 707				case R.id.action_block:
 708					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 709					break;
 710				case R.id.action_unblock:
 711					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 712					break;
 713				default:
 714					break;
 715			}
 716			return super.onOptionsItemSelected(item);
 717		} else {
 718			return super.onOptionsItemSelected(item);
 719		}
 720	}
 721
 722	public void endConversation(Conversation conversation) {
 723		endConversation(conversation, true, true);
 724	}
 725
 726	public void endConversation(Conversation conversation, boolean showOverview, boolean reinit) {
 727		if (showOverview) {
 728			showConversationsOverview();
 729		}
 730		xmppConnectionService.archiveConversation(conversation);
 731		if (reinit) {
 732			if (conversationList.size() > 0) {
 733				setSelectedConversation(conversationList.get(0));
 734				this.mConversationFragment.reInit(getSelectedConversation());
 735			} else {
 736				setSelectedConversation(null);
 737				if (mRedirected.compareAndSet(false, true)) {
 738					Intent intent = new Intent(this, StartConversationActivity.class);
 739					intent.putExtra("init", true);
 740					startActivity(intent);
 741					finish();
 742				}
 743			}
 744		}
 745	}
 746
 747	@SuppressLint("InflateParams")
 748	protected void clearHistoryDialog(final Conversation conversation) {
 749		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 750		builder.setTitle(getString(R.string.clear_conversation_history));
 751		View dialogView = getLayoutInflater().inflate(
 752				R.layout.dialog_clear_history, null);
 753		final CheckBox endConversationCheckBox = (CheckBox) dialogView
 754				.findViewById(R.id.end_conversation_checkbox);
 755		builder.setView(dialogView);
 756		builder.setNegativeButton(getString(R.string.cancel), null);
 757		builder.setPositiveButton(getString(R.string.delete_messages),
 758				new OnClickListener() {
 759
 760					@Override
 761					public void onClick(DialogInterface dialog, int which) {
 762						ConversationActivity.this.xmppConnectionService.clearConversationHistory(conversation);
 763						if (endConversationCheckBox.isChecked()) {
 764							endConversation(conversation);
 765						} else {
 766							updateConversationList();
 767							ConversationActivity.this.mConversationFragment.updateMessages();
 768						}
 769					}
 770				});
 771		builder.create().show();
 772	}
 773
 774	protected void attachFileDialog() {
 775		View menuAttachFile = findViewById(R.id.action_attach_file);
 776		if (menuAttachFile == null) {
 777			return;
 778		}
 779		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
 780		attachFilePopup.inflate(R.menu.attachment_choices);
 781		if (new Intent(MediaStore.Audio.Media.RECORD_SOUND_ACTION).resolveActivity(getPackageManager()) == null) {
 782			attachFilePopup.getMenu().findItem(R.id.attach_record_voice).setVisible(false);
 783		}
 784		if (new Intent("eu.siacs.conversations.location.request").resolveActivity(getPackageManager()) == null) {
 785			attachFilePopup.getMenu().findItem(R.id.attach_location).setVisible(false);
 786		}
 787		attachFilePopup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 788
 789			@Override
 790			public boolean onMenuItemClick(MenuItem item) {
 791				switch (item.getItemId()) {
 792					case R.id.attach_choose_picture:
 793						attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
 794						break;
 795					case R.id.attach_take_picture:
 796						attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
 797						break;
 798					case R.id.attach_choose_file:
 799						attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
 800						break;
 801					case R.id.attach_record_voice:
 802						attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
 803						break;
 804					case R.id.attach_location:
 805						attachFile(ATTACHMENT_CHOICE_LOCATION);
 806						break;
 807				}
 808				return false;
 809			}
 810		});
 811		attachFilePopup.show();
 812	}
 813
 814	public void verifyOtrSessionDialog(final Conversation conversation, View view) {
 815		if (!conversation.hasValidOtrSession() || conversation.getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
 816			Toast.makeText(this, R.string.otr_session_not_started, Toast.LENGTH_LONG).show();
 817			return;
 818		}
 819		if (view == null) {
 820			return;
 821		}
 822		PopupMenu popup = new PopupMenu(this, view);
 823		popup.inflate(R.menu.verification_choices);
 824		popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 825			@Override
 826			public boolean onMenuItemClick(MenuItem menuItem) {
 827				Intent intent = new Intent(ConversationActivity.this, VerifyOTRActivity.class);
 828				intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
 829				intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
 830				intent.putExtra(EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
 831				switch (menuItem.getItemId()) {
 832					case R.id.scan_fingerprint:
 833						intent.putExtra("mode", VerifyOTRActivity.MODE_SCAN_FINGERPRINT);
 834						break;
 835					case R.id.ask_question:
 836						intent.putExtra("mode", VerifyOTRActivity.MODE_ASK_QUESTION);
 837						break;
 838					case R.id.manual_verification:
 839						intent.putExtra("mode", VerifyOTRActivity.MODE_MANUAL_VERIFICATION);
 840						break;
 841				}
 842				startActivity(intent);
 843				return true;
 844			}
 845		});
 846		popup.show();
 847	}
 848
 849	protected void selectEncryptionDialog(final Conversation conversation) {
 850		View menuItemView = findViewById(R.id.action_security);
 851		if (menuItemView == null) {
 852			return;
 853		}
 854		PopupMenu popup = new PopupMenu(this, menuItemView);
 855		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 856				.findFragmentByTag("conversation");
 857		if (fragment != null) {
 858			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 859
 860				@Override
 861				public boolean onMenuItemClick(MenuItem item) {
 862					switch (item.getItemId()) {
 863						case R.id.encryption_choice_none:
 864							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 865							item.setChecked(true);
 866							break;
 867						case R.id.encryption_choice_otr:
 868							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
 869							item.setChecked(true);
 870							break;
 871						case R.id.encryption_choice_pgp:
 872							if (hasPgp()) {
 873								if (conversation.getAccount().getPgpSignature() != null) {
 874									conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 875									item.setChecked(true);
 876								} else {
 877									announcePgp(conversation.getAccount(), conversation, onOpenPGPKeyPublished);
 878								}
 879							} else {
 880								showInstallPgpDialog();
 881							}
 882							break;
 883						case R.id.encryption_choice_axolotl:
 884							Log.d(Config.LOGTAG, AxolotlService.getLogprefix(conversation.getAccount())
 885									+ "Enabled axolotl for Contact " + conversation.getContact().getJid());
 886							conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
 887							item.setChecked(true);
 888							break;
 889						default:
 890							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 891							break;
 892					}
 893					xmppConnectionService.updateConversation(conversation);
 894					fragment.updateChatMsgHint();
 895					invalidateOptionsMenu();
 896					refreshUi();
 897					return true;
 898				}
 899			});
 900			popup.inflate(R.menu.encryption_choices);
 901			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
 902			MenuItem none = popup.getMenu().findItem(R.id.encryption_choice_none);
 903			MenuItem pgp = popup.getMenu().findItem(R.id.encryption_choice_pgp);
 904			MenuItem axolotl = popup.getMenu().findItem(R.id.encryption_choice_axolotl);
 905			pgp.setVisible(Config.supportOpenPgp());
 906			none.setVisible(Config.supportUnencrypted() || conversation.getMode() == Conversation.MODE_MULTI);
 907			otr.setVisible(Config.supportOtr());
 908			axolotl.setVisible(Config.supportOmemo());
 909			if (conversation.getMode() == Conversation.MODE_MULTI) {
 910				otr.setVisible(false);
 911			}
 912			if (!conversation.getAccount().getAxolotlService().isConversationAxolotlCapable(conversation)) {
 913				axolotl.setEnabled(false);
 914			}
 915			switch (conversation.getNextEncryption()) {
 916				case Message.ENCRYPTION_NONE:
 917					none.setChecked(true);
 918					break;
 919				case Message.ENCRYPTION_OTR:
 920					otr.setChecked(true);
 921					break;
 922				case Message.ENCRYPTION_PGP:
 923					pgp.setChecked(true);
 924					break;
 925				case Message.ENCRYPTION_AXOLOTL:
 926					axolotl.setChecked(true);
 927					break;
 928				default:
 929					none.setChecked(true);
 930					break;
 931			}
 932			popup.show();
 933		}
 934	}
 935
 936	protected void muteConversationDialog(final Conversation conversation) {
 937		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 938		builder.setTitle(R.string.disable_notifications);
 939		final int[] durations = getResources().getIntArray(R.array.mute_options_durations);
 940		builder.setItems(R.array.mute_options_descriptions,
 941				new OnClickListener() {
 942
 943					@Override
 944					public void onClick(final DialogInterface dialog, final int which) {
 945						final long till;
 946						if (durations[which] == -1) {
 947							till = Long.MAX_VALUE;
 948						} else {
 949							till = System.currentTimeMillis() + (durations[which] * 1000);
 950						}
 951						conversation.setMutedTill(till);
 952						ConversationActivity.this.xmppConnectionService.updateConversation(conversation);
 953						updateConversationList();
 954						ConversationActivity.this.mConversationFragment.updateMessages();
 955						invalidateOptionsMenu();
 956					}
 957				});
 958		builder.create().show();
 959	}
 960
 961	public void unmuteConversation(final Conversation conversation) {
 962		conversation.setMutedTill(0);
 963		this.xmppConnectionService.updateConversation(conversation);
 964		updateConversationList();
 965		ConversationActivity.this.mConversationFragment.updateMessages();
 966		invalidateOptionsMenu();
 967	}
 968
 969	@Override
 970	public void onBackPressed() {
 971		if (!isConversationsOverviewVisable()) {
 972			showConversationsOverview();
 973		} else {
 974			moveTaskToBack(true);
 975		}
 976	}
 977
 978	@Override
 979	public boolean onKeyUp(int key, KeyEvent event) {
 980		int rotation = getWindowManager().getDefaultDisplay().getRotation();
 981		final int upKey;
 982		final int downKey;
 983		switch (rotation) {
 984			case Surface.ROTATION_90:
 985				upKey = KeyEvent.KEYCODE_DPAD_LEFT;
 986				downKey = KeyEvent.KEYCODE_DPAD_RIGHT;
 987				break;
 988			case Surface.ROTATION_180:
 989				upKey = KeyEvent.KEYCODE_DPAD_DOWN;
 990				downKey = KeyEvent.KEYCODE_DPAD_UP;
 991				break;
 992			case Surface.ROTATION_270:
 993				upKey = KeyEvent.KEYCODE_DPAD_RIGHT;
 994				downKey = KeyEvent.KEYCODE_DPAD_LEFT;
 995				break;
 996			default:
 997				upKey = KeyEvent.KEYCODE_DPAD_UP;
 998				downKey = KeyEvent.KEYCODE_DPAD_DOWN;
 999		}
1000		final boolean modifier = event.isCtrlPressed() || (event.getMetaState() & KeyEvent.META_ALT_LEFT_ON) != 0;
1001		if (modifier && key == KeyEvent.KEYCODE_TAB && isConversationsOverviewHideable()) {
1002			toggleConversationsOverview();
1003			return true;
1004		} else if (modifier && key == KeyEvent.KEYCODE_SPACE) {
1005			startActivity(new Intent(this, StartConversationActivity.class));
1006			return true;
1007		} else if (modifier && key == downKey) {
1008			if (isConversationsOverviewHideable() && !isConversationsOverviewVisable()) {
1009				showConversationsOverview();
1010				;
1011			}
1012			return selectDownConversation();
1013		} else if (modifier && key == upKey) {
1014			if (isConversationsOverviewHideable() && !isConversationsOverviewVisable()) {
1015				showConversationsOverview();
1016			}
1017			return selectUpConversation();
1018		} else if (modifier && key == KeyEvent.KEYCODE_1) {
1019			return openConversationByIndex(0);
1020		} else if (modifier && key == KeyEvent.KEYCODE_2) {
1021			return openConversationByIndex(1);
1022		} else if (modifier && key == KeyEvent.KEYCODE_3) {
1023			return openConversationByIndex(2);
1024		} else if (modifier && key == KeyEvent.KEYCODE_4) {
1025			return openConversationByIndex(3);
1026		} else if (modifier && key == KeyEvent.KEYCODE_5) {
1027			return openConversationByIndex(4);
1028		} else if (modifier && key == KeyEvent.KEYCODE_6) {
1029			return openConversationByIndex(5);
1030		} else if (modifier && key == KeyEvent.KEYCODE_7) {
1031			return openConversationByIndex(6);
1032		} else if (modifier && key == KeyEvent.KEYCODE_8) {
1033			return openConversationByIndex(7);
1034		} else if (modifier && key == KeyEvent.KEYCODE_9) {
1035			return openConversationByIndex(8);
1036		} else if (modifier && key == KeyEvent.KEYCODE_0) {
1037			return openConversationByIndex(9);
1038		} else {
1039			return super.onKeyUp(key, event);
1040		}
1041	}
1042
1043	private void toggleConversationsOverview() {
1044		if (isConversationsOverviewVisable()) {
1045			hideConversationsOverview();
1046			if (mConversationFragment != null) {
1047				mConversationFragment.setFocusOnInputField();
1048			}
1049		} else {
1050			showConversationsOverview();
1051		}
1052	}
1053
1054	private boolean selectUpConversation() {
1055		if (this.mSelectedConversation != null) {
1056			int index = this.conversationList.indexOf(this.mSelectedConversation);
1057			if (index > 0) {
1058				return openConversationByIndex(index - 1);
1059			}
1060		}
1061		return false;
1062	}
1063
1064	private boolean selectDownConversation() {
1065		if (this.mSelectedConversation != null) {
1066			int index = this.conversationList.indexOf(this.mSelectedConversation);
1067			if (index != -1 && index < this.conversationList.size() - 1) {
1068				return openConversationByIndex(index + 1);
1069			}
1070		}
1071		return false;
1072	}
1073
1074	private boolean openConversationByIndex(int index) {
1075		try {
1076			this.conversationWasSelectedByKeyboard = true;
1077			setSelectedConversation(this.conversationList.get(index));
1078			this.mConversationFragment.reInit(getSelectedConversation());
1079			if (index > listView.getLastVisiblePosition() - 1 || index < listView.getFirstVisiblePosition() + 1) {
1080				this.listView.setSelection(index);
1081			}
1082			openConversation();
1083			return true;
1084		} catch (IndexOutOfBoundsException e) {
1085			return false;
1086		}
1087	}
1088
1089	@Override
1090	protected void onNewIntent(final Intent intent) {
1091		if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
1092			mOpenConversation = null;
1093			mUnprocessedNewIntent = true;
1094			if (xmppConnectionServiceBound) {
1095				handleViewConversationIntent(intent);
1096				intent.setAction(Intent.ACTION_MAIN);
1097			} else {
1098				setIntent(intent);
1099			}
1100		}
1101	}
1102
1103	@Override
1104	public void onStart() {
1105		super.onStart();
1106		this.mRedirected.set(false);
1107		if (this.xmppConnectionServiceBound) {
1108			this.onBackendConnected();
1109		}
1110		if (conversationList.size() >= 1) {
1111			this.onConversationUpdate();
1112		}
1113	}
1114
1115	@Override
1116	public void onPause() {
1117		listView.discardUndo();
1118		super.onPause();
1119		this.mActivityPaused = true;
1120	}
1121
1122	@Override
1123	public void onResume() {
1124		super.onResume();
1125		final int theme = findTheme();
1126		final boolean usingEnterKey = usingEnterKey();
1127		if (this.mTheme != theme || usingEnterKey != mUsingEnterKey) {
1128			recreate();
1129		}
1130		this.mActivityPaused = false;
1131
1132
1133		if (!isConversationsOverviewVisable() || !isConversationsOverviewHideable()) {
1134			Conversation c = getSelectedConversation();
1135			sendReadMarkerIfNecessary(getSelectedConversation());
1136		}
1137
1138	}
1139
1140	@Override
1141	public void onSaveInstanceState(final Bundle savedInstanceState) {
1142		Conversation conversation = getSelectedConversation();
1143		if (conversation != null) {
1144			savedInstanceState.putString(STATE_OPEN_CONVERSATION, conversation.getUuid());
1145			Pair<Integer,Integer> scrollPosition = mConversationFragment.getScrollPosition();
1146			if (scrollPosition != null) {
1147				savedInstanceState.putInt(STATE_FIRST_VISIBLE, scrollPosition.first);
1148				savedInstanceState.putInt(STATE_OFFSET_FROM_TOP, scrollPosition.second);
1149			}
1150		} else {
1151			savedInstanceState.remove(STATE_OPEN_CONVERSATION);
1152		}
1153		savedInstanceState.putBoolean(STATE_PANEL_OPEN, isConversationsOverviewVisable());
1154		if (this.mPendingImageUris.size() >= 1) {
1155			Log.d(Config.LOGTAG,"ConversationsActivity.onSaveInstanceState() - saving pending image uri");
1156			savedInstanceState.putString(STATE_PENDING_URI, this.mPendingImageUris.get(0).toString());
1157		} else {
1158			savedInstanceState.remove(STATE_PENDING_URI);
1159		}
1160		super.onSaveInstanceState(savedInstanceState);
1161	}
1162
1163	private void clearPending() {
1164		mPendingImageUris.clear();
1165		mPendingFileUris.clear();
1166		mPendingGeoUri = null;
1167		mPostponedActivityResult = null;
1168	}
1169
1170	@Override
1171	void onBackendConnected() {
1172		this.xmppConnectionService.getNotificationService().setIsInForeground(true);
1173		updateConversationList();
1174
1175		if (mPendingConferenceInvite != null) {
1176			if (mPendingConferenceInvite.execute(this)) {
1177				mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
1178				mToast.show();
1179			}
1180			mPendingConferenceInvite = null;
1181		}
1182
1183		final Intent intent = getIntent();
1184
1185		if (xmppConnectionService.getAccounts().size() == 0) {
1186			if (mRedirected.compareAndSet(false, true)) {
1187				if (Config.X509_VERIFICATION) {
1188					startActivity(new Intent(this, ManageAccountActivity.class));
1189				} else if (Config.MAGIC_CREATE_DOMAIN != null) {
1190					startActivity(new Intent(this, WelcomeActivity.class));
1191				} else {
1192					Intent editAccount = new Intent(this, EditAccountActivity.class);
1193					editAccount.putExtra("init",true);
1194					startActivity(editAccount);
1195				}
1196				finish();
1197			}
1198		} else if (conversationList.size() <= 0) {
1199			if (mRedirected.compareAndSet(false, true)) {
1200				Account pendingAccount = xmppConnectionService.getPendingAccount();
1201				if (pendingAccount == null) {
1202					Intent startConversationActivity = new Intent(this, StartConversationActivity.class);
1203					intent.putExtra("init", true);
1204					startActivity(startConversationActivity);
1205				} else {
1206					switchToAccount(pendingAccount, true);
1207				}
1208				finish();
1209			}
1210		} else if (selectConversationByUuid(mOpenConversation)) {
1211			if (mPanelOpen) {
1212				showConversationsOverview();
1213			} else {
1214				if (isConversationsOverviewHideable()) {
1215					openConversation();
1216					updateActionBarTitle(true);
1217				}
1218			}
1219			if (this.mConversationFragment.reInit(getSelectedConversation())) {
1220				Log.d(Config.LOGTAG,"setting scroll position on fragment");
1221				this.mConversationFragment.setScrollPosition(mScrollPosition);
1222			}
1223			mOpenConversation = null;
1224		} else if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
1225			clearPending();
1226			handleViewConversationIntent(intent);
1227			intent.setAction(Intent.ACTION_MAIN);
1228		} else if (getSelectedConversation() == null) {
1229			showConversationsOverview();
1230			clearPending();
1231			setSelectedConversation(conversationList.get(0));
1232			this.mConversationFragment.reInit(getSelectedConversation());
1233		} else {
1234			this.mConversationFragment.messageListAdapter.updatePreferences();
1235			this.mConversationFragment.messagesView.invalidateViews();
1236			this.mConversationFragment.setupIme();
1237		}
1238
1239		if (this.mPostponedActivityResult != null) {
1240			this.onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
1241		}
1242
1243		final boolean stopping;
1244		if (Build.VERSION.SDK_INT >= 17) {
1245			stopping = isFinishing() || isDestroyed();
1246		} else {
1247			stopping = isFinishing();
1248		}
1249
1250		if (!forbidProcessingPendings) {
1251			for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1252				Uri foo = i.next();
1253				Log.d(Config.LOGTAG,"ConversationsActivity.onBackendConnected() - attaching image to conversations. stopping="+Boolean.toString(stopping));
1254				attachImageToConversation(getSelectedConversation(), foo);
1255			}
1256
1257			for (Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
1258				Log.d(Config.LOGTAG,"ConversationsActivity.onBackendConnected() - attaching file to conversations. stopping="+Boolean.toString(stopping));
1259				attachFileToConversation(getSelectedConversation(), i.next());
1260			}
1261
1262			if (mPendingGeoUri != null) {
1263				attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1264				mPendingGeoUri = null;
1265			}
1266		}
1267		forbidProcessingPendings = false;
1268
1269		if (!ExceptionHelper.checkForCrash(this, this.xmppConnectionService)) {
1270			openBatteryOptimizationDialogIfNeeded();
1271		}
1272	}
1273
1274	private void handleViewConversationIntent(final Intent intent) {
1275		final String uuid = intent.getStringExtra(CONVERSATION);
1276		final String downloadUuid = intent.getStringExtra(EXTRA_DOWNLOAD_UUID);
1277		final String text = intent.getStringExtra(TEXT);
1278		final String nick = intent.getStringExtra(NICK);
1279		final boolean pm = intent.getBooleanExtra(PRIVATE_MESSAGE, false);
1280		if (selectConversationByUuid(uuid)) {
1281			this.mConversationFragment.reInit(getSelectedConversation());
1282			if (nick != null) {
1283				if (pm) {
1284					Jid jid = getSelectedConversation().getJid();
1285					try {
1286						Jid next = Jid.fromParts(jid.getLocalpart(), jid.getDomainpart(), nick);
1287						this.mConversationFragment.privateMessageWith(next);
1288					} catch (final InvalidJidException ignored) {
1289						//do nothing
1290					}
1291				} else {
1292					this.mConversationFragment.highlightInConference(nick);
1293				}
1294			} else {
1295				this.mConversationFragment.appendText(text);
1296			}
1297			hideConversationsOverview();
1298			mUnprocessedNewIntent = false;
1299			openConversation();
1300			if (mContentView instanceof SlidingPaneLayout) {
1301				updateActionBarTitle(true); //fixes bug where slp isn't properly closed yet
1302			}
1303			if (downloadUuid != null) {
1304				final Message message = mSelectedConversation.findMessageWithFileAndUuid(downloadUuid);
1305				if (message != null) {
1306					startDownloadable(message);
1307				}
1308			}
1309		} else {
1310			mUnprocessedNewIntent = false;
1311		}
1312	}
1313
1314	private boolean selectConversationByUuid(String uuid) {
1315		if (uuid == null) {
1316			return false;
1317		}
1318		for (Conversation aConversationList : conversationList) {
1319			if (aConversationList.getUuid().equals(uuid)) {
1320				setSelectedConversation(aConversationList);
1321				return true;
1322			}
1323		}
1324		return false;
1325	}
1326
1327	@Override
1328	protected void unregisterListeners() {
1329		super.unregisterListeners();
1330		xmppConnectionService.getNotificationService().setOpenConversation(null);
1331	}
1332
1333	@SuppressLint("NewApi")
1334	private static List<Uri> extractUriFromIntent(final Intent intent) {
1335		List<Uri> uris = new ArrayList<>();
1336		if (intent == null) {
1337			return uris;
1338		}
1339		Uri uri = intent.getData();
1340		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2 && uri == null) {
1341			final ClipData clipData = intent.getClipData();
1342			if (clipData != null) {
1343				for (int i = 0; i < clipData.getItemCount(); ++i) {
1344					uris.add(clipData.getItemAt(i).getUri());
1345				}
1346			}
1347		} else {
1348			uris.add(uri);
1349		}
1350		return uris;
1351	}
1352
1353	@Override
1354	protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
1355		super.onActivityResult(requestCode, resultCode, data);
1356		if (resultCode == RESULT_OK) {
1357			if (requestCode == REQUEST_DECRYPT_PGP) {
1358				mConversationFragment.onActivityResult(requestCode, resultCode, data);
1359			} else if (requestCode == REQUEST_CHOOSE_PGP_ID) {
1360				// the user chose OpenPGP for encryption and selected his key in the PGP provider
1361				if (xmppConnectionServiceBound) {
1362					if (data.getExtras().containsKey(OpenPgpApi.EXTRA_SIGN_KEY_ID)) {
1363						// associate selected PGP keyId with the account
1364						mSelectedConversation.getAccount().setPgpSignId(data.getExtras().getLong(OpenPgpApi.EXTRA_SIGN_KEY_ID));
1365						// we need to announce the key as described in XEP-027
1366						announcePgp(mSelectedConversation.getAccount(), null, onOpenPGPKeyPublished);
1367					} else {
1368						choosePgpSignId(mSelectedConversation.getAccount());
1369					}
1370					this.mPostponedActivityResult = null;
1371				} else {
1372					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1373				}
1374			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
1375				if (xmppConnectionServiceBound) {
1376					announcePgp(mSelectedConversation.getAccount(), mSelectedConversation, onOpenPGPKeyPublished);
1377					this.mPostponedActivityResult = null;
1378				} else {
1379					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1380				}
1381			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
1382				mPendingImageUris.clear();
1383				mPendingImageUris.addAll(extractUriFromIntent(data));
1384				if (xmppConnectionServiceBound) {
1385					for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1386						Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching image to conversations. CHOOSE_IMAGE");
1387						attachImageToConversation(getSelectedConversation(), i.next());
1388					}
1389				}
1390			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_FILE || requestCode == ATTACHMENT_CHOICE_RECORD_VOICE) {
1391				final List<Uri> uris = extractUriFromIntent(data);
1392				final Conversation c = getSelectedConversation();
1393				final OnPresenceSelected callback = new OnPresenceSelected() {
1394					@Override
1395					public void onPresenceSelected() {
1396						mPendingFileUris.clear();
1397						mPendingFileUris.addAll(uris);
1398						if (xmppConnectionServiceBound) {
1399							for (Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
1400								Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE");
1401								attachFileToConversation(c, i.next());
1402							}
1403						}
1404					}
1405				};
1406				if (c == null || c.getMode() == Conversation.MODE_MULTI
1407						|| FileBackend.allFilesUnderSize(this, uris, getMaxHttpUploadSize(c))
1408						|| c.getNextEncryption() == Message.ENCRYPTION_OTR) {
1409					callback.onPresenceSelected();
1410				} else {
1411					selectPresence(c, callback);
1412				}
1413			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
1414				if (mPendingImageUris.size() == 1) {
1415					Uri uri = FileBackend.getIndexableTakePhotoUri(mPendingImageUris.get(0));
1416					mPendingImageUris.set(0, uri);
1417					if (xmppConnectionServiceBound) {
1418						Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching image to conversations. TAKE_PHOTO");
1419						attachImageToConversation(getSelectedConversation(), uri);
1420						mPendingImageUris.clear();
1421					}
1422					if (!Config.ONLY_INTERNAL_STORAGE) {
1423						Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1424						intent.setData(uri);
1425						sendBroadcast(intent);
1426					}
1427				} else {
1428					mPendingImageUris.clear();
1429				}
1430			} else if (requestCode == ATTACHMENT_CHOICE_LOCATION) {
1431				double latitude = data.getDoubleExtra("latitude", 0);
1432				double longitude = data.getDoubleExtra("longitude", 0);
1433				this.mPendingGeoUri = Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude));
1434				if (xmppConnectionServiceBound) {
1435					attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1436					this.mPendingGeoUri = null;
1437				}
1438			} else if (requestCode == REQUEST_TRUST_KEYS_TEXT || requestCode == REQUEST_TRUST_KEYS_MENU) {
1439				this.forbidProcessingPendings = !xmppConnectionServiceBound;
1440				if (xmppConnectionServiceBound) {
1441					mConversationFragment.onActivityResult(requestCode, resultCode, data);
1442					this.mPostponedActivityResult = null;
1443				} else {
1444					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1445				}
1446
1447			}
1448		} else {
1449			mPendingImageUris.clear();
1450			mPendingFileUris.clear();
1451			if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1452				mConversationFragment.onActivityResult(requestCode, resultCode, data);
1453			}
1454			if (requestCode == REQUEST_BATTERY_OP) {
1455				setNeverAskForBatteryOptimizationsAgain();
1456			}
1457		}
1458	}
1459
1460	private long getMaxHttpUploadSize(Conversation conversation) {
1461		final XmppConnection connection = conversation.getAccount().getXmppConnection();
1462		return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
1463	}
1464
1465	private void setNeverAskForBatteryOptimizationsAgain() {
1466		getPreferences().edit().putBoolean("show_battery_optimization", false).commit();
1467	}
1468
1469	private void openBatteryOptimizationDialogIfNeeded() {
1470		if (hasAccountWithoutPush()
1471				&& isOptimizingBattery()
1472				&& getPreferences().getBoolean("show_battery_optimization", true)) {
1473			AlertDialog.Builder builder = new AlertDialog.Builder(this);
1474			builder.setTitle(R.string.battery_optimizations_enabled);
1475			builder.setMessage(R.string.battery_optimizations_enabled_dialog);
1476			builder.setPositiveButton(R.string.next, new OnClickListener() {
1477				@Override
1478				public void onClick(DialogInterface dialog, int which) {
1479					Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
1480					Uri uri = Uri.parse("package:" + getPackageName());
1481					intent.setData(uri);
1482					try {
1483						startActivityForResult(intent, REQUEST_BATTERY_OP);
1484					} catch (ActivityNotFoundException e) {
1485						Toast.makeText(ConversationActivity.this, R.string.device_does_not_support_battery_op, Toast.LENGTH_SHORT).show();
1486					}
1487				}
1488			});
1489			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
1490				builder.setOnDismissListener(new DialogInterface.OnDismissListener() {
1491					@Override
1492					public void onDismiss(DialogInterface dialog) {
1493						setNeverAskForBatteryOptimizationsAgain();
1494					}
1495				});
1496			}
1497			builder.create().show();
1498		}
1499	}
1500
1501	private boolean hasAccountWithoutPush() {
1502		for(Account account : xmppConnectionService.getAccounts()) {
1503			if (account.getStatus() != Account.State.DISABLED
1504					&& !xmppConnectionService.getPushManagementService().availableAndUseful(account)) {
1505				return true;
1506			}
1507		}
1508		return false;
1509	}
1510
1511	private void attachLocationToConversation(Conversation conversation, Uri uri) {
1512		if (conversation == null) {
1513			return;
1514		}
1515		xmppConnectionService.attachLocationToConversation(conversation,uri, new UiCallback<Message>() {
1516
1517			@Override
1518			public void success(Message message) {
1519				xmppConnectionService.sendMessage(message);
1520			}
1521
1522			@Override
1523			public void error(int errorCode, Message object) {
1524
1525			}
1526
1527			@Override
1528			public void userInputRequried(PendingIntent pi, Message object) {
1529
1530			}
1531		});
1532	}
1533
1534	private void attachFileToConversation(Conversation conversation, Uri uri) {
1535		if (conversation == null) {
1536			return;
1537		}
1538		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_file), Toast.LENGTH_LONG);
1539		prepareFileToast.show();
1540		xmppConnectionService.attachFileToConversation(conversation, uri, new UiCallback<Message>() {
1541			@Override
1542			public void success(Message message) {
1543				hidePrepareFileToast(prepareFileToast);
1544				xmppConnectionService.sendMessage(message);
1545			}
1546
1547			@Override
1548			public void error(final int errorCode, Message message) {
1549				hidePrepareFileToast(prepareFileToast);
1550				runOnUiThread(new Runnable() {
1551					@Override
1552					public void run() {
1553						replaceToast(getString(errorCode));
1554					}
1555				});
1556
1557			}
1558
1559			@Override
1560			public void userInputRequried(PendingIntent pi, Message message) {
1561				hidePrepareFileToast(prepareFileToast);
1562			}
1563		});
1564	}
1565
1566	public void attachImageToConversation(Uri uri) {
1567		this.attachImageToConversation(getSelectedConversation(), uri);
1568	}
1569
1570	private void attachImageToConversation(Conversation conversation, Uri uri) {
1571		if (conversation == null) {
1572			return;
1573		}
1574		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_image), Toast.LENGTH_LONG);
1575		prepareFileToast.show();
1576		xmppConnectionService.attachImageToConversation(conversation, uri,
1577				new UiCallback<Message>() {
1578
1579					@Override
1580					public void userInputRequried(PendingIntent pi, Message object) {
1581						hidePrepareFileToast(prepareFileToast);
1582					}
1583
1584					@Override
1585					public void success(Message message) {
1586						hidePrepareFileToast(prepareFileToast);
1587						xmppConnectionService.sendMessage(message);
1588					}
1589
1590					@Override
1591					public void error(final int error, Message message) {
1592						hidePrepareFileToast(prepareFileToast);
1593						runOnUiThread(new Runnable() {
1594							@Override
1595							public void run() {
1596								replaceToast(getString(error));
1597							}
1598						});
1599					}
1600				});
1601	}
1602
1603	private void hidePrepareFileToast(final Toast prepareFileToast) {
1604		if (prepareFileToast != null) {
1605			runOnUiThread(new Runnable() {
1606
1607				@Override
1608				public void run() {
1609					prepareFileToast.cancel();
1610				}
1611			});
1612		}
1613	}
1614
1615	public void updateConversationList() {
1616		xmppConnectionService
1617			.populateWithOrderedConversations(conversationList);
1618		if (swipedConversation != null) {
1619			if (swipedConversation.isRead()) {
1620				conversationList.remove(swipedConversation);
1621			} else {
1622				listView.discardUndo();
1623			}
1624		}
1625		listAdapter.notifyDataSetChanged();
1626	}
1627
1628	public void runIntent(PendingIntent pi, int requestCode) {
1629		try {
1630			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
1631					null, 0, 0, 0);
1632		} catch (final SendIntentException ignored) {
1633		}
1634	}
1635
1636	public void encryptTextMessage(Message message) {
1637		xmppConnectionService.getPgpEngine().encrypt(message,
1638				new UiCallback<Message>() {
1639
1640					@Override
1641					public void userInputRequried(PendingIntent pi,Message message) {
1642						ConversationActivity.this.runIntent(pi,ConversationActivity.REQUEST_SEND_MESSAGE);
1643					}
1644
1645					@Override
1646					public void success(Message message) {
1647						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1648						xmppConnectionService.sendMessage(message);
1649						if (mConversationFragment != null) {
1650							mConversationFragment.messageSent();
1651						}
1652					}
1653
1654					@Override
1655					public void error(final int error, Message message) {
1656						runOnUiThread(new Runnable() {
1657							@Override
1658							public void run() {
1659								Toast.makeText(ConversationActivity.this,
1660										R.string.unable_to_connect_to_keychain,
1661										Toast.LENGTH_SHORT
1662								).show();
1663							}
1664						});
1665					}
1666				});
1667	}
1668
1669	public boolean useSendButtonToIndicateStatus() {
1670		return getPreferences().getBoolean("send_button_status", false);
1671	}
1672
1673	public boolean indicateReceived() {
1674		return getPreferences().getBoolean("indicate_received", false);
1675	}
1676
1677	public boolean useGreenBackground() {
1678		return getPreferences().getBoolean("use_green_background",true);
1679	}
1680
1681	protected boolean trustKeysIfNeeded(int requestCode) {
1682		return trustKeysIfNeeded(requestCode, ATTACHMENT_CHOICE_INVALID);
1683	}
1684
1685	protected boolean trustKeysIfNeeded(int requestCode, int attachmentChoice) {
1686		AxolotlService axolotlService = mSelectedConversation.getAccount().getAxolotlService();
1687		final List<Jid> targets = axolotlService.getCryptoTargets(mSelectedConversation);
1688		boolean hasUnaccepted = !mSelectedConversation.getAcceptedCryptoTargets().containsAll(targets);
1689		boolean hasUndecidedOwn = !axolotlService.getKeysWithTrust(FingerprintStatus.createActiveUndecided()).isEmpty();
1690		boolean hasUndecidedContacts = !axolotlService.getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets).isEmpty();
1691		boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(mSelectedConversation).isEmpty();
1692		boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1693		if(hasUndecidedOwn || hasUndecidedContacts || hasPendingKeys || hasNoTrustedKeys || hasUnaccepted) {
1694			axolotlService.createSessionsIfNeeded(mSelectedConversation);
1695			Intent intent = new Intent(getApplicationContext(), TrustKeysActivity.class);
1696			String[] contacts = new String[targets.size()];
1697			for(int i = 0; i < contacts.length; ++i) {
1698				contacts[i] = targets.get(i).toString();
1699			}
1700			intent.putExtra("contacts", contacts);
1701			intent.putExtra(EXTRA_ACCOUNT, mSelectedConversation.getAccount().getJid().toBareJid().toString());
1702			intent.putExtra("choice", attachmentChoice);
1703			intent.putExtra("conversation",mSelectedConversation.getUuid());
1704			startActivityForResult(intent, requestCode);
1705			return true;
1706		} else {
1707			return false;
1708		}
1709	}
1710
1711	@Override
1712	protected void refreshUiReal() {
1713		updateConversationList();
1714		if (conversationList.size() > 0) {
1715			if (!this.mConversationFragment.isAdded()) {
1716				Log.d(Config.LOGTAG,"fragment NOT added to activity. detached="+Boolean.toString(mConversationFragment.isDetached()));
1717			}
1718			ConversationActivity.this.mConversationFragment.updateMessages();
1719			updateActionBarTitle();
1720			invalidateOptionsMenu();
1721		} else {
1722			Log.d(Config.LOGTAG,"not updating conversations fragment because conversations list size was 0");
1723		}
1724	}
1725
1726	@Override
1727	public void onAccountUpdate() {
1728		this.refreshUi();
1729	}
1730
1731	@Override
1732	public void onConversationUpdate() {
1733		this.refreshUi();
1734	}
1735
1736	@Override
1737	public void onRosterUpdate() {
1738		this.refreshUi();
1739	}
1740
1741	@Override
1742	public void OnUpdateBlocklist(Status status) {
1743		this.refreshUi();
1744	}
1745
1746	public void unblockConversation(final Blockable conversation) {
1747		xmppConnectionService.sendUnblockRequest(conversation);
1748	}
1749
1750	public boolean enterIsSend() {
1751		return getPreferences().getBoolean("enter_is_send",false);
1752	}
1753
1754	@Override
1755	public void onShowErrorToast(final int resId) {
1756		runOnUiThread(new Runnable() {
1757			@Override
1758			public void run() {
1759				Toast.makeText(ConversationActivity.this,resId,Toast.LENGTH_SHORT).show();
1760			}
1761		});
1762	}
1763
1764	public boolean highlightSelectedConversations() {
1765		return !isConversationsOverviewHideable() || this.conversationWasSelectedByKeyboard;
1766	}
1767
1768	public void setMessagesLoaded() {
1769		if (mConversationFragment != null) {
1770			mConversationFragment.setMessagesLoaded();
1771			mConversationFragment.updateMessages();
1772		}
1773	}
1774}