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