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