ConversationActivity.java

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