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