1package eu.siacs.conversations.ui;
   2
   3import android.annotation.SuppressLint;
   4import android.app.ActionBar;
   5import android.app.AlertDialog;
   6import android.app.FragmentTransaction;
   7import android.app.PendingIntent;
   8import android.content.ActivityNotFoundException;
   9import android.content.ClipData;
  10import android.content.DialogInterface;
  11import android.content.DialogInterface.OnClickListener;
  12import android.content.Intent;
  13import android.content.IntentSender.SendIntentException;
  14import android.content.pm.PackageManager;
  15import android.net.Uri;
  16import android.os.Build;
  17import android.os.Bundle;
  18import android.os.Handler;
  19import android.provider.MediaStore;
  20import android.provider.Settings;
  21import android.support.v4.widget.SlidingPaneLayout;
  22import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
  23import android.util.Log;
  24import android.util.Pair;
  25import android.view.Gravity;
  26import android.view.KeyEvent;
  27import android.view.Menu;
  28import android.view.MenuItem;
  29import android.view.Surface;
  30import android.view.View;
  31import android.widget.AdapterView;
  32import android.widget.AdapterView.OnItemClickListener;
  33import android.widget.ArrayAdapter;
  34import android.widget.CheckBox;
  35import android.widget.PopupMenu;
  36import android.widget.PopupMenu.OnMenuItemClickListener;
  37import android.widget.Toast;
  38
  39import net.java.otr4j.session.SessionStatus;
  40
  41import org.openintents.openpgp.util.OpenPgpApi;
  42
  43import java.util.ArrayList;
  44import java.util.Iterator;
  45import java.util.List;
  46import java.util.concurrent.atomic.AtomicBoolean;
  47
  48import de.timroes.android.listview.EnhancedListView;
  49import eu.siacs.conversations.Config;
  50import eu.siacs.conversations.R;
  51import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  52import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
  53import eu.siacs.conversations.entities.Account;
  54import eu.siacs.conversations.entities.Blockable;
  55import eu.siacs.conversations.entities.Contact;
  56import eu.siacs.conversations.entities.Conversation;
  57import eu.siacs.conversations.entities.Message;
  58import eu.siacs.conversations.entities.Transferable;
  59import eu.siacs.conversations.persistance.FileBackend;
  60import eu.siacs.conversations.services.XmppConnectionService;
  61import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
  62import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
  63import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  64import eu.siacs.conversations.ui.adapter.ConversationAdapter;
  65import eu.siacs.conversations.utils.ExceptionHelper;
  66import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  67import eu.siacs.conversations.xmpp.jid.InvalidJidException;
  68import eu.siacs.conversations.xmpp.jid.Jid;
  69
  70public class ConversationActivity extends XmppActivity
  71	implements OnAccountUpdate, OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, XmppConnectionService.OnShowErrorToast {
  72
  73	public static final String ACTION_VIEW_CONVERSATION = "eu.siacs.conversations.action.VIEW";
  74	public static final String CONVERSATION = "conversationUuid";
  75	public static final String EXTRA_DOWNLOAD_UUID = "eu.siacs.conversations.download_uuid";
  76	public static final String TEXT = "text";
  77	public static final String NICK = "nick";
  78	public static final String PRIVATE_MESSAGE = "pm";
  79
  80	public static final int REQUEST_SEND_MESSAGE = 0x0201;
  81	public static final int REQUEST_DECRYPT_PGP = 0x0202;
  82	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
  83	public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
  84	public static final int REQUEST_TRUST_KEYS_MENU = 0x0209;
  85	public static final int REQUEST_START_DOWNLOAD = 0x0210;
  86	public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
  87	public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
  88	public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
  89	public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
  90	public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
  91	public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
  92	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
  93	private static final String STATE_PANEL_OPEN = "state_panel_open";
  94	private static final String STATE_PENDING_URI = "state_pending_uri";
  95	private static final String STATE_FIRST_VISIBLE = "first_visible";
  96	private static final String STATE_OFFSET_FROM_TOP = "offset_from_top";
  97
  98	private String mOpenConversation = null;
  99	private boolean mPanelOpen = true;
 100	private Pair<Integer,Integer> mScrollPosition = null;
 101	final private List<Uri> mPendingImageUris = new ArrayList<>();
 102	final private List<Uri> mPendingFileUris = new ArrayList<>();
 103	private Uri mPendingGeoUri = null;
 104	private boolean forbidProcessingPendings = false;
 105	private Message mPendingDownloadableMessage = null;
 106
 107	private boolean conversationWasSelectedByKeyboard = false;
 108
 109	private View mContentView;
 110
 111	private List<Conversation> conversationList = new ArrayList<>();
 112	private Conversation swipedConversation = null;
 113	private Conversation mSelectedConversation = null;
 114	private EnhancedListView listView;
 115	private ConversationFragment mConversationFragment;
 116
 117	private ArrayAdapter<Conversation> listAdapter;
 118
 119	private boolean mActivityPaused = false;
 120	private AtomicBoolean mRedirected = new AtomicBoolean(false);
 121	private Pair<Integer, Intent> mPostponedActivityResult;
 122
 123	public Conversation getSelectedConversation() {
 124		return this.mSelectedConversation;
 125	}
 126
 127	public void setSelectedConversation(Conversation conversation) {
 128		this.mSelectedConversation = conversation;
 129	}
 130
 131	public void showConversationsOverview() {
 132		if (mContentView instanceof SlidingPaneLayout) {
 133			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 134			mSlidingPaneLayout.openPane();
 135		}
 136	}
 137
 138	@Override
 139	protected String getShareableUri() {
 140		Conversation conversation = getSelectedConversation();
 141		if (conversation != null) {
 142			return conversation.getAccount().getShareableUri();
 143		} else {
 144			return "";
 145		}
 146	}
 147
 148	public void hideConversationsOverview() {
 149		if (mContentView instanceof SlidingPaneLayout) {
 150			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 151			mSlidingPaneLayout.closePane();
 152		}
 153	}
 154
 155	public boolean isConversationsOverviewHideable() {
 156		if (mContentView instanceof SlidingPaneLayout) {
 157			return true;
 158		} else {
 159			return false;
 160		}
 161	}
 162
 163	public boolean isConversationsOverviewVisable() {
 164		if (mContentView instanceof SlidingPaneLayout) {
 165			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 166			return mSlidingPaneLayout.isOpen();
 167		} else {
 168			return true;
 169		}
 170	}
 171
 172	@Override
 173	protected void onCreate(final Bundle savedInstanceState) {
 174		super.onCreate(savedInstanceState);
 175		if (savedInstanceState != null) {
 176			mOpenConversation = savedInstanceState.getString(STATE_OPEN_CONVERSATION, null);
 177			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
 178			int pos = savedInstanceState.getInt(STATE_FIRST_VISIBLE, -1);
 179			int offset = savedInstanceState.getInt(STATE_OFFSET_FROM_TOP, 1);
 180			if (pos >= 0 && offset <= 0) {
 181				Log.d(Config.LOGTAG,"retrieved scroll position from instanceState "+pos+":"+offset);
 182				mScrollPosition = new Pair<>(pos,offset);
 183			} else {
 184				mScrollPosition = null;
 185			}
 186			String pending = savedInstanceState.getString(STATE_PENDING_URI, null);
 187			if (pending != null) {
 188				mPendingImageUris.clear();
 189				mPendingImageUris.add(Uri.parse(pending));
 190			}
 191		}
 192
 193		setContentView(R.layout.fragment_conversations_overview);
 194
 195		this.mConversationFragment = new ConversationFragment();
 196		FragmentTransaction transaction = getFragmentManager().beginTransaction();
 197		transaction.replace(R.id.selected_conversation, this.mConversationFragment, "conversation");
 198		transaction.commit();
 199
 200		listView = (EnhancedListView) findViewById(R.id.list);
 201		this.listAdapter = new ConversationAdapter(this, conversationList);
 202		listView.setAdapter(this.listAdapter);
 203
 204		if (getActionBar() != null) {
 205			getActionBar().setDisplayHomeAsUpEnabled(false);
 206			getActionBar().setHomeButtonEnabled(false);
 207		}
 208
 209		listView.setOnItemClickListener(new OnItemClickListener() {
 210
 211			@Override
 212			public void onItemClick(AdapterView<?> arg0, View clickedView,
 213									int position, long arg3) {
 214				if (getSelectedConversation() != conversationList.get(position)) {
 215					setSelectedConversation(conversationList.get(position));
 216					ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 217					conversationWasSelectedByKeyboard = false;
 218				}
 219				hideConversationsOverview();
 220				openConversation();
 221			}
 222		});
 223
 224		listView.setDismissCallback(new EnhancedListView.OnDismissCallback() {
 225
 226			@Override
 227			public EnhancedListView.Undoable onDismiss(final EnhancedListView enhancedListView, final int position) {
 228
 229				final int index = listView.getFirstVisiblePosition();
 230				View v = listView.getChildAt(0);
 231				final int top = (v == null) ? 0 : (v.getTop() - listView.getPaddingTop());
 232
 233				try {
 234					swipedConversation = listAdapter.getItem(position);
 235				} catch (IndexOutOfBoundsException e) {
 236					return null;
 237				}
 238				listAdapter.remove(swipedConversation);
 239				xmppConnectionService.markRead(swipedConversation);
 240
 241				final boolean formerlySelected = (getSelectedConversation() == swipedConversation);
 242				if (position == 0 && listAdapter.getCount() == 0) {
 243					endConversation(swipedConversation, false, true);
 244					return null;
 245				} else if (formerlySelected) {
 246					setSelectedConversation(listAdapter.getItem(0));
 247					ConversationActivity.this.mConversationFragment
 248							.reInit(getSelectedConversation());
 249				}
 250
 251				return new EnhancedListView.Undoable() {
 252
 253					@Override
 254					public void undo() {
 255						listAdapter.insert(swipedConversation, position);
 256						if (formerlySelected) {
 257							setSelectedConversation(swipedConversation);
 258							ConversationActivity.this.mConversationFragment
 259									.reInit(getSelectedConversation());
 260						}
 261						swipedConversation = null;
 262						listView.setSelectionFromTop(index + (listView.getChildCount() < position ? 1 : 0), top);
 263					}
 264
 265					@Override
 266					public void discard() {
 267						if (!swipedConversation.isRead()
 268								&& swipedConversation.getMode() == Conversation.MODE_SINGLE) {
 269							swipedConversation = null;
 270							return;
 271						}
 272						endConversation(swipedConversation, false, false);
 273						swipedConversation = null;
 274					}
 275
 276					@Override
 277					public String getTitle() {
 278						if (swipedConversation.getMode() == Conversation.MODE_MULTI) {
 279							return getResources().getString(R.string.title_undo_swipe_out_muc);
 280						} else {
 281							return getResources().getString(R.string.title_undo_swipe_out_conversation);
 282						}
 283					}
 284				};
 285			}
 286		});
 287		listView.enableSwipeToDismiss();
 288		listView.setSwipingLayout(R.id.swipeable_item);
 289		listView.setUndoStyle(EnhancedListView.UndoStyle.SINGLE_POPUP);
 290		listView.setUndoHideDelay(5000);
 291		listView.setRequireTouchBeforeDismiss(false);
 292
 293		mContentView = findViewById(R.id.content_view_spl);
 294		if (mContentView == null) {
 295			mContentView = findViewById(R.id.content_view_ll);
 296		}
 297		if (mContentView instanceof SlidingPaneLayout) {
 298			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 299			mSlidingPaneLayout.setParallaxDistance(150);
 300			mSlidingPaneLayout
 301					.setShadowResource(R.drawable.es_slidingpane_shadow);
 302			mSlidingPaneLayout.setSliderFadeColor(0);
 303			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
 304
 305				@Override
 306				public void onPanelOpened(View arg0) {
 307					updateActionBarTitle();
 308					invalidateOptionsMenu();
 309					hideKeyboard();
 310					if (xmppConnectionServiceBound) {
 311						xmppConnectionService.getNotificationService()
 312								.setOpenConversation(null);
 313					}
 314					closeContextMenu();
 315				}
 316
 317				@Override
 318				public void onPanelClosed(View arg0) {
 319					listView.discardUndo();
 320					openConversation();
 321				}
 322
 323				@Override
 324				public void onPanelSlide(View arg0, float arg1) {
 325					// TODO Auto-generated method stub
 326
 327				}
 328			});
 329		}
 330	}
 331
 332	@Override
 333	public void switchToConversation(Conversation conversation) {
 334		setSelectedConversation(conversation);
 335		runOnUiThread(new Runnable() {
 336			@Override
 337			public void run() {
 338				ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 339				openConversation();
 340			}
 341		});
 342	}
 343
 344	private void updateActionBarTitle() {
 345		updateActionBarTitle(isConversationsOverviewHideable() && !isConversationsOverviewVisable());
 346	}
 347
 348	private void updateActionBarTitle(boolean titleShouldBeName) {
 349		final ActionBar ab = getActionBar();
 350		final Conversation conversation = getSelectedConversation();
 351		if (ab != null) {
 352			if (titleShouldBeName && conversation != null) {
 353				ab.setDisplayHomeAsUpEnabled(true);
 354				ab.setHomeButtonEnabled(true);
 355				if (conversation.getMode() == Conversation.MODE_SINGLE || useSubjectToIdentifyConference()) {
 356					ab.setTitle(conversation.getName());
 357				} else {
 358					ab.setTitle(conversation.getJid().toBareJid().toString());
 359				}
 360			} else {
 361				ab.setDisplayHomeAsUpEnabled(false);
 362				ab.setHomeButtonEnabled(false);
 363				ab.setTitle(R.string.app_name);
 364			}
 365		}
 366	}
 367
 368	private void openConversation() {
 369		this.updateActionBarTitle();
 370		this.invalidateOptionsMenu();
 371		if (xmppConnectionServiceBound) {
 372			final Conversation conversation = getSelectedConversation();
 373			xmppConnectionService.getNotificationService().setOpenConversation(conversation);
 374			sendReadMarkerIfNecessary(conversation);
 375		}
 376		listAdapter.notifyDataSetChanged();
 377	}
 378
 379	public void sendReadMarkerIfNecessary(final Conversation conversation) {
 380		if (!mActivityPaused && conversation != null) {
 381			xmppConnectionService.sendReadMarker(conversation);
 382		}
 383	}
 384
 385	@Override
 386	public boolean onCreateOptionsMenu(Menu menu) {
 387		getMenuInflater().inflate(R.menu.conversations, menu);
 388		final MenuItem menuSecure = menu.findItem(R.id.action_security);
 389		final MenuItem menuArchive = menu.findItem(R.id.action_archive);
 390		final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
 391		final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
 392		final MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
 393		final MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
 394		final MenuItem menuAdd = menu.findItem(R.id.action_add);
 395		final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
 396		final MenuItem menuMute = menu.findItem(R.id.action_mute);
 397		final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
 398
 399		if (isConversationsOverviewVisable() && isConversationsOverviewHideable()) {
 400			menuArchive.setVisible(false);
 401			menuMucDetails.setVisible(false);
 402			menuContactDetails.setVisible(false);
 403			menuSecure.setVisible(false);
 404			menuInviteContact.setVisible(false);
 405			menuAttach.setVisible(false);
 406			menuClearHistory.setVisible(false);
 407			menuMute.setVisible(false);
 408			menuUnmute.setVisible(false);
 409		} else {
 410			menuAdd.setVisible(!isConversationsOverviewHideable());
 411			if (this.getSelectedConversation() != null) {
 412				if (this.getSelectedConversation().getNextEncryption() != Message.ENCRYPTION_NONE) {
 413					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 414						menuSecure.setIcon(R.drawable.ic_lock_white_24dp);
 415					} else {
 416						menuSecure.setIcon(R.drawable.ic_action_secure);
 417					}
 418				}
 419				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
 420					menuContactDetails.setVisible(false);
 421					menuAttach.setVisible(getSelectedConversation().getAccount().httpUploadAvailable() && getSelectedConversation().getMucOptions().participating());
 422					menuInviteContact.setVisible(getSelectedConversation().getMucOptions().canInvite());
 423					menuSecure.setVisible((Config.supportOpenPgp() || Config.supportOmemo()) && Config.multipleEncryptionChoices()); //only if pgp is supported we have a choice
 424				} else {
 425					menuContactDetails.setVisible(!this.getSelectedConversation().withSelf());
 426					menuMucDetails.setVisible(false);
 427					menuSecure.setVisible(Config.multipleEncryptionChoices());
 428				}
 429				if (this.getSelectedConversation().isMuted()) {
 430					menuMute.setVisible(false);
 431				} else {
 432					menuUnmute.setVisible(false);
 433				}
 434			}
 435		}
 436		if (Config.supportOmemo()) {
 437			new Handler().post(new Runnable() {
 438				@Override
 439				public void run() {
 440					View view = findViewById(R.id.action_security);
 441					if (view != null) {
 442						view.setOnLongClickListener(new View.OnLongClickListener() {
 443							@Override
 444							public boolean onLongClick(View v) {
 445								return quickOmemoDebugger(getSelectedConversation());
 446							}
 447						});
 448					}
 449				}
 450			});
 451		}
 452		return super.onCreateOptionsMenu(menu);
 453	}
 454
 455	private boolean quickOmemoDebugger(Conversation c) {
 456		if (c != null) {
 457			AxolotlService axolotlService = c.getAccount().getAxolotlService();
 458			Pair<AxolotlService.AxolotlCapability,Jid> capabilityJidPair = axolotlService.isConversationAxolotlCapableDetailed(c);
 459			switch (capabilityJidPair.first) {
 460				case MISSING_PRESENCE:
 461					Toast.makeText(ConversationActivity.this,getString(R.string.missing_presence_subscription_with_x,capabilityJidPair.second.toBareJid().toString()),Toast.LENGTH_SHORT).show();
 462					return true;
 463				case MISSING_KEYS:
 464					Toast.makeText(ConversationActivity.this,getString(R.string.missing_keys_from_x,capabilityJidPair.second.toBareJid().toString()),Toast.LENGTH_SHORT).show();
 465					return true;
 466				case WRONG_CONFIGURATION:
 467					Toast.makeText(ConversationActivity.this,R.string.wrong_conference_configuration, Toast.LENGTH_SHORT).show();
 468					return true;
 469				case NO_MEMBERS:
 470					Toast.makeText(ConversationActivity.this,R.string.this_conference_has_no_members, Toast.LENGTH_SHORT).show();
 471					return true;
 472			}
 473		}
 474		return false;
 475	}
 476
 477	protected void selectPresenceToAttachFile(final int attachmentChoice, final int encryption) {
 478		final Conversation conversation = getSelectedConversation();
 479		final Account account = conversation.getAccount();
 480		final OnPresenceSelected callback = new OnPresenceSelected() {
 481
 482			@Override
 483			public void onPresenceSelected() {
 484				Intent intent = new Intent();
 485				boolean chooser = false;
 486				String fallbackPackageId = null;
 487				switch (attachmentChoice) {
 488					case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 489						intent.setAction(Intent.ACTION_GET_CONTENT);
 490						if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 491							intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 492						}
 493						intent.setType("image/*");
 494						chooser = true;
 495						break;
 496					case ATTACHMENT_CHOICE_TAKE_PHOTO:
 497						Uri uri = xmppConnectionService.getFileBackend().getTakePhotoUri();
 498						intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 499						intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
 500						intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
 501						mPendingImageUris.clear();
 502						mPendingImageUris.add(uri);
 503						break;
 504					case ATTACHMENT_CHOICE_CHOOSE_FILE:
 505						chooser = true;
 506						intent.setType("*/*");
 507						intent.addCategory(Intent.CATEGORY_OPENABLE);
 508						intent.setAction(Intent.ACTION_GET_CONTENT);
 509						break;
 510					case ATTACHMENT_CHOICE_RECORD_VOICE:
 511						intent.setAction(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
 512						fallbackPackageId = "eu.siacs.conversations.voicerecorder";
 513						break;
 514					case ATTACHMENT_CHOICE_LOCATION:
 515						intent.setAction("eu.siacs.conversations.location.request");
 516						fallbackPackageId = "eu.siacs.conversations.sharelocation";
 517						break;
 518				}
 519				if (intent.resolveActivity(getPackageManager()) != null) {
 520					if (chooser) {
 521						startActivityForResult(
 522								Intent.createChooser(intent, getString(R.string.perform_action_with)),
 523								attachmentChoice);
 524					} else {
 525						startActivityForResult(intent, attachmentChoice);
 526					}
 527				} else if (fallbackPackageId != null) {
 528					startActivity(getInstallApkIntent(fallbackPackageId));
 529				}
 530			}
 531		};
 532		if ((account.httpUploadAvailable() || attachmentChoice == ATTACHMENT_CHOICE_LOCATION) && encryption != Message.ENCRYPTION_OTR) {
 533			conversation.setNextCounterpart(null);
 534			callback.onPresenceSelected();
 535		} else {
 536			selectPresence(conversation, callback);
 537		}
 538	}
 539
 540	private Intent getInstallApkIntent(final String packageId) {
 541		Intent intent = new Intent(Intent.ACTION_VIEW);
 542		intent.setData(Uri.parse("market://details?id=" + packageId));
 543		if (intent.resolveActivity(getPackageManager()) != null) {
 544			return intent;
 545		} else {
 546			intent.setData(Uri.parse("http://play.google.com/store/apps/details?id=" + packageId));
 547			return intent;
 548		}
 549	}
 550
 551	public void attachFile(final int attachmentChoice) {
 552		if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
 553			if (!hasStoragePermission(attachmentChoice)) {
 554				return;
 555			}
 556		}
 557		switch (attachmentChoice) {
 558			case ATTACHMENT_CHOICE_LOCATION:
 559				getPreferences().edit().putString("recently_used_quick_action", "location").apply();
 560				break;
 561			case ATTACHMENT_CHOICE_RECORD_VOICE:
 562				getPreferences().edit().putString("recently_used_quick_action", "voice").apply();
 563				break;
 564			case ATTACHMENT_CHOICE_TAKE_PHOTO:
 565				getPreferences().edit().putString("recently_used_quick_action", "photo").apply();
 566				break;
 567			case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 568				getPreferences().edit().putString("recently_used_quick_action", "picture").apply();
 569				break;
 570		}
 571		final Conversation conversation = getSelectedConversation();
 572		final int encryption = conversation.getNextEncryption();
 573		final int mode = conversation.getMode();
 574		if (encryption == Message.ENCRYPTION_PGP) {
 575			if (hasPgp()) {
 576				if (mode == Conversation.MODE_SINGLE && conversation.getContact().getPgpKeyId() != 0) {
 577					xmppConnectionService.getPgpEngine().hasKey(
 578							conversation.getContact(),
 579							new UiCallback<Contact>() {
 580
 581								@Override
 582								public void userInputRequried(PendingIntent pi, Contact contact) {
 583									ConversationActivity.this.runIntent(pi, attachmentChoice);
 584								}
 585
 586								@Override
 587								public void success(Contact contact) {
 588									selectPresenceToAttachFile(attachmentChoice, encryption);
 589								}
 590
 591								@Override
 592								public void error(int error, Contact contact) {
 593									replaceToast(getString(error));
 594								}
 595							});
 596				} else if (mode == Conversation.MODE_MULTI && conversation.getMucOptions().pgpKeysInUse()) {
 597					if (!conversation.getMucOptions().everybodyHasKeys()) {
 598						Toast warning = Toast
 599								.makeText(this,
 600										R.string.missing_public_keys,
 601										Toast.LENGTH_LONG);
 602						warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
 603						warning.show();
 604					}
 605					selectPresenceToAttachFile(attachmentChoice, encryption);
 606				} else {
 607					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 608							.findFragmentByTag("conversation");
 609					if (fragment != null) {
 610						fragment.showNoPGPKeyDialog(false,
 611								new OnClickListener() {
 612
 613									@Override
 614									public void onClick(DialogInterface dialog,
 615														int which) {
 616										conversation
 617												.setNextEncryption(Message.ENCRYPTION_NONE);
 618										xmppConnectionService.databaseBackend
 619												.updateConversation(conversation);
 620										selectPresenceToAttachFile(attachmentChoice, Message.ENCRYPTION_NONE);
 621									}
 622								});
 623					}
 624				}
 625			} else {
 626				showInstallPgpDialog();
 627			}
 628		} else {
 629			if (encryption != Message.ENCRYPTION_AXOLOTL || !trustKeysIfNeeded(REQUEST_TRUST_KEYS_MENU, attachmentChoice)) {
 630				selectPresenceToAttachFile(attachmentChoice, encryption);
 631			}
 632		}
 633	}
 634
 635	@Override
 636	public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
 637		if (grantResults.length > 0)
 638			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 639				if (requestCode == REQUEST_START_DOWNLOAD) {
 640					if (this.mPendingDownloadableMessage != null) {
 641						startDownloadable(this.mPendingDownloadableMessage);
 642					}
 643				} else {
 644					attachFile(requestCode);
 645				}
 646			} else {
 647				Toast.makeText(this, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
 648			}
 649	}
 650
 651	public void startDownloadable(Message message) {
 652		if (!hasStoragePermission(ConversationActivity.REQUEST_START_DOWNLOAD)) {
 653			this.mPendingDownloadableMessage = message;
 654			return;
 655		}
 656		Transferable transferable = message.getTransferable();
 657		if (transferable != null) {
 658			if (!transferable.start()) {
 659				Toast.makeText(this, R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
 660			}
 661		} else if (message.treatAsDownloadable() != Message.Decision.NEVER) {
 662			xmppConnectionService.getHttpConnectionManager().createNewDownloadConnection(message, true);
 663		}
 664	}
 665
 666	@Override
 667	public boolean onOptionsItemSelected(final MenuItem item) {
 668		if (item.getItemId() == android.R.id.home) {
 669			showConversationsOverview();
 670			return true;
 671		} else if (item.getItemId() == R.id.action_add) {
 672			startActivity(new Intent(this, StartConversationActivity.class));
 673			return true;
 674		} else if (getSelectedConversation() != null) {
 675			switch (item.getItemId()) {
 676				case R.id.action_attach_file:
 677					attachFileDialog();
 678					break;
 679				case R.id.action_archive:
 680					this.endConversation(getSelectedConversation());
 681					break;
 682				case R.id.action_contact_details:
 683					switchToContactDetails(getSelectedConversation().getContact());
 684					break;
 685				case R.id.action_muc_details:
 686					Intent intent = new Intent(this,
 687							ConferenceDetailsActivity.class);
 688					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
 689					intent.putExtra("uuid", getSelectedConversation().getUuid());
 690					startActivity(intent);
 691					break;
 692				case R.id.action_invite:
 693					inviteToConversation(getSelectedConversation());
 694					break;
 695				case R.id.action_security:
 696					selectEncryptionDialog(getSelectedConversation());
 697					break;
 698				case R.id.action_clear_history:
 699					clearHistoryDialog(getSelectedConversation());
 700					break;
 701				case R.id.action_mute:
 702					muteConversationDialog(getSelectedConversation());
 703					break;
 704				case R.id.action_unmute:
 705					unmuteConversation(getSelectedConversation());
 706					break;
 707				case R.id.action_block:
 708					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 709					break;
 710				case R.id.action_unblock:
 711					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 712					break;
 713				default:
 714					break;
 715			}
 716			return super.onOptionsItemSelected(item);
 717		} else {
 718			return super.onOptionsItemSelected(item);
 719		}
 720	}
 721
 722	public void endConversation(Conversation conversation) {
 723		endConversation(conversation, true, true);
 724	}
 725
 726	public void endConversation(Conversation conversation, boolean showOverview, boolean reinit) {
 727		if (showOverview) {
 728			showConversationsOverview();
 729		}
 730		xmppConnectionService.archiveConversation(conversation);
 731		if (reinit) {
 732			if (conversationList.size() > 0) {
 733				setSelectedConversation(conversationList.get(0));
 734				this.mConversationFragment.reInit(getSelectedConversation());
 735			} else {
 736				setSelectedConversation(null);
 737				if (mRedirected.compareAndSet(false, true)) {
 738					Intent intent = new Intent(this, StartConversationActivity.class);
 739					intent.putExtra("init", true);
 740					startActivity(intent);
 741					finish();
 742				}
 743			}
 744		}
 745	}
 746
 747	@SuppressLint("InflateParams")
 748	protected void clearHistoryDialog(final Conversation conversation) {
 749		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 750		builder.setTitle(getString(R.string.clear_conversation_history));
 751		View dialogView = getLayoutInflater().inflate(
 752				R.layout.dialog_clear_history, null);
 753		final CheckBox endConversationCheckBox = (CheckBox) dialogView
 754				.findViewById(R.id.end_conversation_checkbox);
 755		builder.setView(dialogView);
 756		builder.setNegativeButton(getString(R.string.cancel), null);
 757		builder.setPositiveButton(getString(R.string.delete_messages),
 758				new OnClickListener() {
 759
 760					@Override
 761					public void onClick(DialogInterface dialog, int which) {
 762						ConversationActivity.this.xmppConnectionService.clearConversationHistory(conversation);
 763						if (endConversationCheckBox.isChecked()) {
 764							endConversation(conversation);
 765						} else {
 766							updateConversationList();
 767							ConversationActivity.this.mConversationFragment.updateMessages();
 768						}
 769					}
 770				});
 771		builder.create().show();
 772	}
 773
 774	protected void attachFileDialog() {
 775		View menuAttachFile = findViewById(R.id.action_attach_file);
 776		if (menuAttachFile == null) {
 777			return;
 778		}
 779		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
 780		attachFilePopup.inflate(R.menu.attachment_choices);
 781		if (new Intent(MediaStore.Audio.Media.RECORD_SOUND_ACTION).resolveActivity(getPackageManager()) == null) {
 782			attachFilePopup.getMenu().findItem(R.id.attach_record_voice).setVisible(false);
 783		}
 784		if (new Intent("eu.siacs.conversations.location.request").resolveActivity(getPackageManager()) == null) {
 785			attachFilePopup.getMenu().findItem(R.id.attach_location).setVisible(false);
 786		}
 787		attachFilePopup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 788
 789			@Override
 790			public boolean onMenuItemClick(MenuItem item) {
 791				switch (item.getItemId()) {
 792					case R.id.attach_choose_picture:
 793						attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
 794						break;
 795					case R.id.attach_take_picture:
 796						attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
 797						break;
 798					case R.id.attach_choose_file:
 799						attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
 800						break;
 801					case R.id.attach_record_voice:
 802						attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
 803						break;
 804					case R.id.attach_location:
 805						attachFile(ATTACHMENT_CHOICE_LOCATION);
 806						break;
 807				}
 808				return false;
 809			}
 810		});
 811		attachFilePopup.show();
 812	}
 813
 814	public void verifyOtrSessionDialog(final Conversation conversation, View view) {
 815		if (!conversation.hasValidOtrSession() || conversation.getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
 816			Toast.makeText(this, R.string.otr_session_not_started, Toast.LENGTH_LONG).show();
 817			return;
 818		}
 819		if (view == null) {
 820			return;
 821		}
 822		PopupMenu popup = new PopupMenu(this, view);
 823		popup.inflate(R.menu.verification_choices);
 824		popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 825			@Override
 826			public boolean onMenuItemClick(MenuItem menuItem) {
 827				Intent intent = new Intent(ConversationActivity.this, VerifyOTRActivity.class);
 828				intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
 829				intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
 830				intent.putExtra(EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
 831				switch (menuItem.getItemId()) {
 832					case R.id.scan_fingerprint:
 833						intent.putExtra("mode", VerifyOTRActivity.MODE_SCAN_FINGERPRINT);
 834						break;
 835					case R.id.ask_question:
 836						intent.putExtra("mode", VerifyOTRActivity.MODE_ASK_QUESTION);
 837						break;
 838					case R.id.manual_verification:
 839						intent.putExtra("mode", VerifyOTRActivity.MODE_MANUAL_VERIFICATION);
 840						break;
 841				}
 842				startActivity(intent);
 843				return true;
 844			}
 845		});
 846		popup.show();
 847	}
 848
 849	protected void selectEncryptionDialog(final Conversation conversation) {
 850		View menuItemView = findViewById(R.id.action_security);
 851		if (menuItemView == null) {
 852			return;
 853		}
 854		PopupMenu popup = new PopupMenu(this, menuItemView);
 855		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 856				.findFragmentByTag("conversation");
 857		if (fragment != null) {
 858			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 859
 860				@Override
 861				public boolean onMenuItemClick(MenuItem item) {
 862					switch (item.getItemId()) {
 863						case R.id.encryption_choice_none:
 864							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 865							item.setChecked(true);
 866							break;
 867						case R.id.encryption_choice_otr:
 868							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
 869							item.setChecked(true);
 870							break;
 871						case R.id.encryption_choice_pgp:
 872							if (hasPgp()) {
 873								if (conversation.getAccount().getPgpSignature() != null) {
 874									conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 875									item.setChecked(true);
 876								} else {
 877									announcePgp(conversation.getAccount(), conversation, onOpenPGPKeyPublished);
 878								}
 879							} else {
 880								showInstallPgpDialog();
 881							}
 882							break;
 883						case R.id.encryption_choice_axolotl:
 884							Log.d(Config.LOGTAG, AxolotlService.getLogprefix(conversation.getAccount())
 885									+ "Enabled axolotl for Contact " + conversation.getContact().getJid());
 886							conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
 887							item.setChecked(true);
 888							break;
 889						default:
 890							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 891							break;
 892					}
 893					xmppConnectionService.databaseBackend.updateConversation(conversation);
 894					fragment.updateChatMsgHint();
 895					invalidateOptionsMenu();
 896					refreshUi();
 897					return true;
 898				}
 899			});
 900			popup.inflate(R.menu.encryption_choices);
 901			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
 902			MenuItem none = popup.getMenu().findItem(R.id.encryption_choice_none);
 903			MenuItem pgp = popup.getMenu().findItem(R.id.encryption_choice_pgp);
 904			MenuItem axolotl = popup.getMenu().findItem(R.id.encryption_choice_axolotl);
 905			pgp.setVisible(Config.supportOpenPgp());
 906			none.setVisible(Config.supportUnencrypted() || conversation.getMode() == Conversation.MODE_MULTI);
 907			otr.setVisible(Config.supportOtr());
 908			axolotl.setVisible(Config.supportOmemo());
 909			if (conversation.getMode() == Conversation.MODE_MULTI) {
 910				otr.setVisible(false);
 911			}
 912			if (!conversation.getAccount().getAxolotlService().isConversationAxolotlCapable(conversation)) {
 913				axolotl.setEnabled(false);
 914			}
 915			switch (conversation.getNextEncryption()) {
 916				case Message.ENCRYPTION_NONE:
 917					none.setChecked(true);
 918					break;
 919				case Message.ENCRYPTION_OTR:
 920					otr.setChecked(true);
 921					break;
 922				case Message.ENCRYPTION_PGP:
 923					pgp.setChecked(true);
 924					break;
 925				case Message.ENCRYPTION_AXOLOTL:
 926					axolotl.setChecked(true);
 927					break;
 928				default:
 929					none.setChecked(true);
 930					break;
 931			}
 932			popup.show();
 933		}
 934	}
 935
 936	protected void muteConversationDialog(final Conversation conversation) {
 937		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 938		builder.setTitle(R.string.disable_notifications);
 939		final int[] durations = getResources().getIntArray(R.array.mute_options_durations);
 940		builder.setItems(R.array.mute_options_descriptions,
 941				new OnClickListener() {
 942
 943					@Override
 944					public void onClick(final DialogInterface dialog, final int which) {
 945						final long till;
 946						if (durations[which] == -1) {
 947							till = Long.MAX_VALUE;
 948						} else {
 949							till = System.currentTimeMillis() + (durations[which] * 1000);
 950						}
 951						conversation.setMutedTill(till);
 952						ConversationActivity.this.xmppConnectionService.databaseBackend
 953								.updateConversation(conversation);
 954						updateConversationList();
 955						ConversationActivity.this.mConversationFragment.updateMessages();
 956						invalidateOptionsMenu();
 957					}
 958				});
 959		builder.create().show();
 960	}
 961
 962	public void unmuteConversation(final Conversation conversation) {
 963		conversation.setMutedTill(0);
 964		this.xmppConnectionService.databaseBackend.updateConversation(conversation);
 965		updateConversationList();
 966		ConversationActivity.this.mConversationFragment.updateMessages();
 967		invalidateOptionsMenu();
 968	}
 969
 970	@Override
 971	public void onBackPressed() {
 972		if (!isConversationsOverviewVisable()) {
 973			showConversationsOverview();
 974		} else {
 975			moveTaskToBack(true);
 976		}
 977	}
 978
 979	@Override
 980	public boolean onKeyUp(int key, KeyEvent event) {
 981		int rotation = getWindowManager().getDefaultDisplay().getRotation();
 982		final int upKey;
 983		final int downKey;
 984		switch (rotation) {
 985			case Surface.ROTATION_90:
 986				upKey = KeyEvent.KEYCODE_DPAD_LEFT;
 987				downKey = KeyEvent.KEYCODE_DPAD_RIGHT;
 988				break;
 989			case Surface.ROTATION_180:
 990				upKey = KeyEvent.KEYCODE_DPAD_DOWN;
 991				downKey = KeyEvent.KEYCODE_DPAD_UP;
 992				break;
 993			case Surface.ROTATION_270:
 994				upKey = KeyEvent.KEYCODE_DPAD_RIGHT;
 995				downKey = KeyEvent.KEYCODE_DPAD_LEFT;
 996				break;
 997			default:
 998				upKey = KeyEvent.KEYCODE_DPAD_UP;
 999				downKey = KeyEvent.KEYCODE_DPAD_DOWN;
1000		}
1001		final boolean modifier = event.isCtrlPressed() || (event.getMetaState() & KeyEvent.META_ALT_LEFT_ON) != 0;
1002		if (modifier && key == KeyEvent.KEYCODE_TAB && isConversationsOverviewHideable()) {
1003			toggleConversationsOverview();
1004			return true;
1005		} else if (modifier && key == KeyEvent.KEYCODE_SPACE) {
1006			startActivity(new Intent(this, StartConversationActivity.class));
1007			return true;
1008		} else if (modifier && key == downKey) {
1009			if (isConversationsOverviewHideable() && !isConversationsOverviewVisable()) {
1010				showConversationsOverview();
1011				;
1012			}
1013			return selectDownConversation();
1014		} else if (modifier && key == upKey) {
1015			if (isConversationsOverviewHideable() && !isConversationsOverviewVisable()) {
1016				showConversationsOverview();
1017			}
1018			return selectUpConversation();
1019		} else if (modifier && key == KeyEvent.KEYCODE_1) {
1020			return openConversationByIndex(0);
1021		} else if (modifier && key == KeyEvent.KEYCODE_2) {
1022			return openConversationByIndex(1);
1023		} else if (modifier && key == KeyEvent.KEYCODE_3) {
1024			return openConversationByIndex(2);
1025		} else if (modifier && key == KeyEvent.KEYCODE_4) {
1026			return openConversationByIndex(3);
1027		} else if (modifier && key == KeyEvent.KEYCODE_5) {
1028			return openConversationByIndex(4);
1029		} else if (modifier && key == KeyEvent.KEYCODE_6) {
1030			return openConversationByIndex(5);
1031		} else if (modifier && key == KeyEvent.KEYCODE_7) {
1032			return openConversationByIndex(6);
1033		} else if (modifier && key == KeyEvent.KEYCODE_8) {
1034			return openConversationByIndex(7);
1035		} else if (modifier && key == KeyEvent.KEYCODE_9) {
1036			return openConversationByIndex(8);
1037		} else if (modifier && key == KeyEvent.KEYCODE_0) {
1038			return openConversationByIndex(9);
1039		} else {
1040			return super.onKeyUp(key, event);
1041		}
1042	}
1043
1044	private void toggleConversationsOverview() {
1045		if (isConversationsOverviewVisable()) {
1046			hideConversationsOverview();
1047			if (mConversationFragment != null) {
1048				mConversationFragment.setFocusOnInputField();
1049			}
1050		} else {
1051			showConversationsOverview();
1052		}
1053	}
1054
1055	private boolean selectUpConversation() {
1056		if (this.mSelectedConversation != null) {
1057			int index = this.conversationList.indexOf(this.mSelectedConversation);
1058			if (index > 0) {
1059				return openConversationByIndex(index - 1);
1060			}
1061		}
1062		return false;
1063	}
1064
1065	private boolean selectDownConversation() {
1066		if (this.mSelectedConversation != null) {
1067			int index = this.conversationList.indexOf(this.mSelectedConversation);
1068			if (index != -1 && index < this.conversationList.size() - 1) {
1069				return openConversationByIndex(index + 1);
1070			}
1071		}
1072		return false;
1073	}
1074
1075	private boolean openConversationByIndex(int index) {
1076		try {
1077			this.conversationWasSelectedByKeyboard = true;
1078			setSelectedConversation(this.conversationList.get(index));
1079			this.mConversationFragment.reInit(getSelectedConversation());
1080			if (index > listView.getLastVisiblePosition() - 1 || index < listView.getFirstVisiblePosition() + 1) {
1081				this.listView.setSelection(index);
1082			}
1083			openConversation();
1084			return true;
1085		} catch (IndexOutOfBoundsException e) {
1086			return false;
1087		}
1088	}
1089
1090	@Override
1091	protected void onNewIntent(final Intent intent) {
1092		if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
1093			mOpenConversation = null;
1094			if (xmppConnectionServiceBound) {
1095				handleViewConversationIntent(intent);
1096				intent.setAction(Intent.ACTION_MAIN);
1097			} else {
1098				setIntent(intent);
1099			}
1100		}
1101	}
1102
1103	@Override
1104	public void onStart() {
1105		super.onStart();
1106		this.mRedirected.set(false);
1107		if (this.xmppConnectionServiceBound) {
1108			this.onBackendConnected();
1109		}
1110		if (conversationList.size() >= 1) {
1111			this.onConversationUpdate();
1112		}
1113	}
1114
1115	@Override
1116	public void onPause() {
1117		listView.discardUndo();
1118		super.onPause();
1119		this.mActivityPaused = true;
1120	}
1121
1122	@Override
1123	public void onResume() {
1124		super.onResume();
1125		final int theme = findTheme();
1126		final boolean usingEnterKey = usingEnterKey();
1127		if (this.mTheme != theme || usingEnterKey != mUsingEnterKey) {
1128			recreate();
1129		}
1130		this.mActivityPaused = false;
1131
1132		if (!isConversationsOverviewVisable() || !isConversationsOverviewHideable()) {
1133			sendReadMarkerIfNecessary(getSelectedConversation());
1134		}
1135
1136	}
1137
1138	@Override
1139	public void onSaveInstanceState(final Bundle savedInstanceState) {
1140		Conversation conversation = getSelectedConversation();
1141		if (conversation != null) {
1142			savedInstanceState.putString(STATE_OPEN_CONVERSATION, conversation.getUuid());
1143			Pair<Integer,Integer> scrollPosition = mConversationFragment.getScrollPosition();
1144			if (scrollPosition != null) {
1145				savedInstanceState.putInt(STATE_FIRST_VISIBLE, scrollPosition.first);
1146				savedInstanceState.putInt(STATE_OFFSET_FROM_TOP, scrollPosition.second);
1147			}
1148		} else {
1149			savedInstanceState.remove(STATE_OPEN_CONVERSATION);
1150		}
1151		savedInstanceState.putBoolean(STATE_PANEL_OPEN, isConversationsOverviewVisable());
1152		if (this.mPendingImageUris.size() >= 1) {
1153			savedInstanceState.putString(STATE_PENDING_URI, this.mPendingImageUris.get(0).toString());
1154		} else {
1155			savedInstanceState.remove(STATE_PENDING_URI);
1156		}
1157		super.onSaveInstanceState(savedInstanceState);
1158	}
1159
1160	private void clearPending() {
1161		mPendingImageUris.clear();
1162		mPendingFileUris.clear();
1163		mPendingGeoUri = null;
1164		mPostponedActivityResult = null;
1165	}
1166
1167	@Override
1168	void onBackendConnected() {
1169		this.xmppConnectionService.getNotificationService().setIsInForeground(true);
1170		updateConversationList();
1171
1172		if (mPendingConferenceInvite != null) {
1173			if (mPendingConferenceInvite.execute(this)) {
1174				mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
1175				mToast.show();
1176			}
1177			mPendingConferenceInvite = null;
1178		}
1179
1180		final Intent intent = getIntent();
1181
1182		if (xmppConnectionService.getAccounts().size() == 0) {
1183			if (mRedirected.compareAndSet(false, true)) {
1184				if (Config.X509_VERIFICATION) {
1185					startActivity(new Intent(this, ManageAccountActivity.class));
1186				} else if (Config.MAGIC_CREATE_DOMAIN != null) {
1187					startActivity(new Intent(this, WelcomeActivity.class));
1188				} else {
1189					Intent editAccount = new Intent(this, EditAccountActivity.class);
1190					editAccount.putExtra("init",true);
1191					startActivity(editAccount);
1192				}
1193				finish();
1194			}
1195		} else if (conversationList.size() <= 0) {
1196			if (mRedirected.compareAndSet(false, true)) {
1197				Account pendingAccount = xmppConnectionService.getPendingAccount();
1198				if (pendingAccount == null) {
1199					Intent startConversationActivity = new Intent(this, StartConversationActivity.class);
1200					intent.putExtra("init", true);
1201					startActivity(startConversationActivity);
1202				} else {
1203					switchToAccount(pendingAccount, true);
1204				}
1205				finish();
1206			}
1207		} else if (selectConversationByUuid(mOpenConversation)) {
1208			if (mPanelOpen) {
1209				showConversationsOverview();
1210			} else {
1211				if (isConversationsOverviewHideable()) {
1212					openConversation();
1213					updateActionBarTitle(true);
1214				}
1215			}
1216			if (this.mConversationFragment.reInit(getSelectedConversation())) {
1217				Log.d(Config.LOGTAG,"setting scroll position on fragment");
1218				this.mConversationFragment.setScrollPosition(mScrollPosition);
1219			}
1220			mOpenConversation = null;
1221		} else if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
1222			clearPending();
1223			handleViewConversationIntent(intent);
1224			intent.setAction(Intent.ACTION_MAIN);
1225		} else if (getSelectedConversation() == null) {
1226			showConversationsOverview();
1227			clearPending();
1228			setSelectedConversation(conversationList.get(0));
1229			this.mConversationFragment.reInit(getSelectedConversation());
1230		} else {
1231			this.mConversationFragment.messageListAdapter.updatePreferences();
1232			this.mConversationFragment.messagesView.invalidateViews();
1233			this.mConversationFragment.setupIme();
1234		}
1235
1236		if (this.mPostponedActivityResult != null) {
1237			this.onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
1238		}
1239
1240		if (!forbidProcessingPendings) {
1241			for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1242				Uri foo = i.next();
1243				attachImageToConversation(getSelectedConversation(), foo);
1244			}
1245
1246			for (Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
1247				attachFileToConversation(getSelectedConversation(), i.next());
1248			}
1249
1250			if (mPendingGeoUri != null) {
1251				attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1252				mPendingGeoUri = null;
1253			}
1254		}
1255		forbidProcessingPendings = false;
1256
1257		if (!ExceptionHelper.checkForCrash(this, this.xmppConnectionService)) {
1258			openBatteryOptimizationDialogIfNeeded();
1259		}
1260	}
1261
1262	private void handleViewConversationIntent(final Intent intent) {
1263		final String uuid = intent.getStringExtra(CONVERSATION);
1264		final String downloadUuid = intent.getStringExtra(EXTRA_DOWNLOAD_UUID);
1265		final String text = intent.getStringExtra(TEXT);
1266		final String nick = intent.getStringExtra(NICK);
1267		final boolean pm = intent.getBooleanExtra(PRIVATE_MESSAGE, false);
1268		if (selectConversationByUuid(uuid)) {
1269			this.mConversationFragment.reInit(getSelectedConversation());
1270			if (nick != null) {
1271				if (pm) {
1272					Jid jid = getSelectedConversation().getJid();
1273					try {
1274						Jid next = Jid.fromParts(jid.getLocalpart(), jid.getDomainpart(), nick);
1275						this.mConversationFragment.privateMessageWith(next);
1276					} catch (final InvalidJidException ignored) {
1277						//do nothing
1278					}
1279				} else {
1280					this.mConversationFragment.highlightInConference(nick);
1281				}
1282			} else {
1283				this.mConversationFragment.appendText(text);
1284			}
1285			hideConversationsOverview();
1286			openConversation();
1287			if (mContentView instanceof SlidingPaneLayout) {
1288				updateActionBarTitle(true); //fixes bug where slp isn't properly closed yet
1289			}
1290			if (downloadUuid != null) {
1291				final Message message = mSelectedConversation.findMessageWithFileAndUuid(downloadUuid);
1292				if (message != null) {
1293					startDownloadable(message);
1294				}
1295			}
1296		}
1297	}
1298
1299	private boolean selectConversationByUuid(String uuid) {
1300		if (uuid == null) {
1301			return false;
1302		}
1303		for (Conversation aConversationList : conversationList) {
1304			if (aConversationList.getUuid().equals(uuid)) {
1305				setSelectedConversation(aConversationList);
1306				return true;
1307			}
1308		}
1309		return false;
1310	}
1311
1312	@Override
1313	protected void unregisterListeners() {
1314		super.unregisterListeners();
1315		xmppConnectionService.getNotificationService().setOpenConversation(null);
1316	}
1317
1318	@SuppressLint("NewApi")
1319	private static List<Uri> extractUriFromIntent(final Intent intent) {
1320		List<Uri> uris = new ArrayList<>();
1321		if (intent == null) {
1322			return uris;
1323		}
1324		Uri uri = intent.getData();
1325		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2 && uri == null) {
1326			final ClipData clipData = intent.getClipData();
1327			if (clipData != null) {
1328				for (int i = 0; i < clipData.getItemCount(); ++i) {
1329					uris.add(clipData.getItemAt(i).getUri());
1330				}
1331			}
1332		} else {
1333			uris.add(uri);
1334		}
1335		return uris;
1336	}
1337
1338	@Override
1339	protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
1340		super.onActivityResult(requestCode, resultCode, data);
1341		if (resultCode == RESULT_OK) {
1342			if (requestCode == REQUEST_DECRYPT_PGP) {
1343				mConversationFragment.onActivityResult(requestCode, resultCode, data);
1344			} else if (requestCode == REQUEST_CHOOSE_PGP_ID) {
1345				// the user chose OpenPGP for encryption and selected his key in the PGP provider
1346				if (xmppConnectionServiceBound) {
1347					if (data.getExtras().containsKey(OpenPgpApi.EXTRA_SIGN_KEY_ID)) {
1348						// associate selected PGP keyId with the account
1349						mSelectedConversation.getAccount().setPgpSignId(data.getExtras().getLong(OpenPgpApi.EXTRA_SIGN_KEY_ID));
1350						// we need to announce the key as described in XEP-027
1351						announcePgp(mSelectedConversation.getAccount(), null, onOpenPGPKeyPublished);
1352					} else {
1353						choosePgpSignId(mSelectedConversation.getAccount());
1354					}
1355					this.mPostponedActivityResult = null;
1356				} else {
1357					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1358				}
1359			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
1360				if (xmppConnectionServiceBound) {
1361					announcePgp(mSelectedConversation.getAccount(), mSelectedConversation, onOpenPGPKeyPublished);
1362					this.mPostponedActivityResult = null;
1363				} else {
1364					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1365				}
1366			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
1367				mPendingImageUris.clear();
1368				mPendingImageUris.addAll(extractUriFromIntent(data));
1369				if (xmppConnectionServiceBound) {
1370					for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1371						attachImageToConversation(getSelectedConversation(), i.next());
1372					}
1373				}
1374			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_FILE || requestCode == ATTACHMENT_CHOICE_RECORD_VOICE) {
1375				final List<Uri> uris = extractUriFromIntent(data);
1376				final Conversation c = getSelectedConversation();
1377				final OnPresenceSelected callback = new OnPresenceSelected() {
1378					@Override
1379					public void onPresenceSelected() {
1380						mPendingFileUris.clear();
1381						mPendingFileUris.addAll(uris);
1382						if (xmppConnectionServiceBound) {
1383							for (Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
1384								attachFileToConversation(c, i.next());
1385							}
1386						}
1387					}
1388				};
1389				if (c == null || c.getMode() == Conversation.MODE_MULTI
1390						|| FileBackend.allFilesUnderSize(this, uris, getMaxHttpUploadSize(c))
1391						|| c.getNextEncryption() == Message.ENCRYPTION_OTR) {
1392					callback.onPresenceSelected();
1393				} else {
1394					selectPresence(c, callback);
1395				}
1396			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
1397				if (mPendingImageUris.size() == 1) {
1398					Uri uri = mPendingImageUris.get(0);
1399					if (xmppConnectionServiceBound) {
1400						attachImageToConversation(getSelectedConversation(), uri);
1401						mPendingImageUris.clear();
1402					}
1403					Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1404					intent.setData(uri);
1405					sendBroadcast(intent);
1406				} else {
1407					mPendingImageUris.clear();
1408				}
1409			} else if (requestCode == ATTACHMENT_CHOICE_LOCATION) {
1410				double latitude = data.getDoubleExtra("latitude", 0);
1411				double longitude = data.getDoubleExtra("longitude", 0);
1412				this.mPendingGeoUri = Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude));
1413				if (xmppConnectionServiceBound) {
1414					attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1415					this.mPendingGeoUri = null;
1416				}
1417			} else if (requestCode == REQUEST_TRUST_KEYS_TEXT || requestCode == REQUEST_TRUST_KEYS_MENU) {
1418				this.forbidProcessingPendings = !xmppConnectionServiceBound;
1419				if (xmppConnectionServiceBound) {
1420					mConversationFragment.onActivityResult(requestCode, resultCode, data);
1421					this.mPostponedActivityResult = null;
1422				} else {
1423					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1424				}
1425
1426			}
1427		} else {
1428			mPendingImageUris.clear();
1429			mPendingFileUris.clear();
1430			if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1431				mConversationFragment.onActivityResult(requestCode, resultCode, data);
1432			}
1433			if (requestCode == REQUEST_BATTERY_OP) {
1434				setNeverAskForBatteryOptimizationsAgain();
1435			}
1436		}
1437	}
1438
1439	private long getMaxHttpUploadSize(Conversation conversation) {
1440		return conversation.getAccount().getXmppConnection().getFeatures().getMaxHttpUploadSize();
1441	}
1442
1443	private void setNeverAskForBatteryOptimizationsAgain() {
1444		getPreferences().edit().putBoolean("show_battery_optimization", false).commit();
1445	}
1446
1447	private void openBatteryOptimizationDialogIfNeeded() {
1448		if (hasAccountWithoutPush()
1449				&& isOptimizingBattery()
1450				&& getPreferences().getBoolean("show_battery_optimization", true)) {
1451			AlertDialog.Builder builder = new AlertDialog.Builder(this);
1452			builder.setTitle(R.string.battery_optimizations_enabled);
1453			builder.setMessage(R.string.battery_optimizations_enabled_dialog);
1454			builder.setPositiveButton(R.string.next, new OnClickListener() {
1455				@Override
1456				public void onClick(DialogInterface dialog, int which) {
1457					Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
1458					Uri uri = Uri.parse("package:" + getPackageName());
1459					intent.setData(uri);
1460					try {
1461						startActivityForResult(intent, REQUEST_BATTERY_OP);
1462					} catch (ActivityNotFoundException e) {
1463						Toast.makeText(ConversationActivity.this, R.string.device_does_not_support_battery_op, Toast.LENGTH_SHORT).show();
1464					}
1465				}
1466			});
1467			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
1468				builder.setOnDismissListener(new DialogInterface.OnDismissListener() {
1469					@Override
1470					public void onDismiss(DialogInterface dialog) {
1471						setNeverAskForBatteryOptimizationsAgain();
1472					}
1473				});
1474			}
1475			builder.create().show();
1476		}
1477	}
1478
1479	private boolean hasAccountWithoutPush() {
1480		for(Account account : xmppConnectionService.getAccounts()) {
1481			if (account.getStatus() != Account.State.DISABLED
1482					&& !xmppConnectionService.getPushManagementService().available(account)) {
1483				return true;
1484			}
1485		}
1486		return false;
1487	}
1488
1489	private void attachLocationToConversation(Conversation conversation, Uri uri) {
1490		if (conversation == null) {
1491			return;
1492		}
1493		xmppConnectionService.attachLocationToConversation(conversation,uri, new UiCallback<Message>() {
1494
1495			@Override
1496			public void success(Message message) {
1497				xmppConnectionService.sendMessage(message);
1498			}
1499
1500			@Override
1501			public void error(int errorCode, Message object) {
1502
1503			}
1504
1505			@Override
1506			public void userInputRequried(PendingIntent pi, Message object) {
1507
1508			}
1509		});
1510	}
1511
1512	private void attachFileToConversation(Conversation conversation, Uri uri) {
1513		if (conversation == null) {
1514			return;
1515		}
1516		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_file), Toast.LENGTH_LONG);
1517		prepareFileToast.show();
1518		xmppConnectionService.attachFileToConversation(conversation, uri, new UiCallback<Message>() {
1519			@Override
1520			public void success(Message message) {
1521				hidePrepareFileToast(prepareFileToast);
1522				xmppConnectionService.sendMessage(message);
1523			}
1524
1525			@Override
1526			public void error(final int errorCode, Message message) {
1527				hidePrepareFileToast(prepareFileToast);
1528				runOnUiThread(new Runnable() {
1529					@Override
1530					public void run() {
1531						replaceToast(getString(errorCode));
1532					}
1533				});
1534
1535			}
1536
1537			@Override
1538			public void userInputRequried(PendingIntent pi, Message message) {
1539				hidePrepareFileToast(prepareFileToast);
1540			}
1541		});
1542	}
1543
1544	private void attachImageToConversation(Conversation conversation, Uri uri) {
1545		if (conversation == null) {
1546			return;
1547		}
1548		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_image), Toast.LENGTH_LONG);
1549		prepareFileToast.show();
1550		xmppConnectionService.attachImageToConversation(conversation, uri,
1551				new UiCallback<Message>() {
1552
1553					@Override
1554					public void userInputRequried(PendingIntent pi, Message object) {
1555						hidePrepareFileToast(prepareFileToast);
1556					}
1557
1558					@Override
1559					public void success(Message message) {
1560						hidePrepareFileToast(prepareFileToast);
1561						xmppConnectionService.sendMessage(message);
1562					}
1563
1564					@Override
1565					public void error(final int error, Message message) {
1566						hidePrepareFileToast(prepareFileToast);
1567						runOnUiThread(new Runnable() {
1568							@Override
1569							public void run() {
1570								replaceToast(getString(error));
1571							}
1572						});
1573					}
1574				});
1575	}
1576
1577	private void hidePrepareFileToast(final Toast prepareFileToast) {
1578		if (prepareFileToast != null) {
1579			runOnUiThread(new Runnable() {
1580
1581				@Override
1582				public void run() {
1583					prepareFileToast.cancel();
1584				}
1585			});
1586		}
1587	}
1588
1589	public void updateConversationList() {
1590		xmppConnectionService
1591			.populateWithOrderedConversations(conversationList);
1592		if (swipedConversation != null) {
1593			if (swipedConversation.isRead()) {
1594				conversationList.remove(swipedConversation);
1595			} else {
1596				listView.discardUndo();
1597			}
1598		}
1599		listAdapter.notifyDataSetChanged();
1600	}
1601
1602	public void runIntent(PendingIntent pi, int requestCode) {
1603		try {
1604			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
1605					null, 0, 0, 0);
1606		} catch (final SendIntentException ignored) {
1607		}
1608	}
1609
1610	public void encryptTextMessage(Message message) {
1611		xmppConnectionService.getPgpEngine().encrypt(message,
1612				new UiCallback<Message>() {
1613
1614					@Override
1615					public void userInputRequried(PendingIntent pi,Message message) {
1616						ConversationActivity.this.runIntent(pi,ConversationActivity.REQUEST_SEND_MESSAGE);
1617					}
1618
1619					@Override
1620					public void success(Message message) {
1621						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1622						xmppConnectionService.sendMessage(message);
1623						if (mConversationFragment != null) {
1624							mConversationFragment.messageSent();
1625						}
1626					}
1627
1628					@Override
1629					public void error(final int error, Message message) {
1630						runOnUiThread(new Runnable() {
1631							@Override
1632							public void run() {
1633								Toast.makeText(ConversationActivity.this,
1634										R.string.unable_to_connect_to_keychain,
1635										Toast.LENGTH_SHORT
1636								).show();
1637							}
1638						});
1639					}
1640				});
1641	}
1642
1643	public boolean useSendButtonToIndicateStatus() {
1644		return getPreferences().getBoolean("send_button_status", false);
1645	}
1646
1647	public boolean indicateReceived() {
1648		return getPreferences().getBoolean("indicate_received", false);
1649	}
1650
1651	public boolean useGreenBackground() {
1652		return getPreferences().getBoolean("use_green_background",true);
1653	}
1654
1655	protected boolean trustKeysIfNeeded(int requestCode) {
1656		return trustKeysIfNeeded(requestCode, ATTACHMENT_CHOICE_INVALID);
1657	}
1658
1659	protected boolean trustKeysIfNeeded(int requestCode, int attachmentChoice) {
1660		AxolotlService axolotlService = mSelectedConversation.getAccount().getAxolotlService();
1661		final List<Jid> targets = axolotlService.getCryptoTargets(mSelectedConversation);
1662		boolean hasUnaccepted = !mSelectedConversation.getAcceptedCryptoTargets().containsAll(targets);
1663		boolean hasUndecidedOwn = !axolotlService.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED).isEmpty();
1664		boolean hasUndecidedContacts = !axolotlService.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED, targets).isEmpty();
1665		boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(mSelectedConversation).isEmpty();
1666		boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1667		if(hasUndecidedOwn || hasUndecidedContacts || hasPendingKeys || hasNoTrustedKeys || hasUnaccepted) {
1668			axolotlService.createSessionsIfNeeded(mSelectedConversation);
1669			Intent intent = new Intent(getApplicationContext(), TrustKeysActivity.class);
1670			String[] contacts = new String[targets.size()];
1671			for(int i = 0; i < contacts.length; ++i) {
1672				contacts[i] = targets.get(i).toString();
1673			}
1674			intent.putExtra("contacts", contacts);
1675			intent.putExtra(EXTRA_ACCOUNT, mSelectedConversation.getAccount().getJid().toBareJid().toString());
1676			intent.putExtra("choice", attachmentChoice);
1677			intent.putExtra("conversation",mSelectedConversation.getUuid());
1678			startActivityForResult(intent, requestCode);
1679			return true;
1680		} else {
1681			return false;
1682		}
1683	}
1684
1685	@Override
1686	protected void refreshUiReal() {
1687		updateConversationList();
1688		if (conversationList.size() > 0) {
1689			if (!this.mConversationFragment.isAdded()) {
1690				Log.d(Config.LOGTAG,"fragment NOT added to activity. detached="+Boolean.toString(mConversationFragment.isDetached()));
1691			}
1692			ConversationActivity.this.mConversationFragment.updateMessages();
1693			updateActionBarTitle();
1694			invalidateOptionsMenu();
1695		} else {
1696			Log.d(Config.LOGTAG,"not updating conversations fragment because conversations list size was 0");
1697		}
1698	}
1699
1700	@Override
1701	public void onAccountUpdate() {
1702		this.refreshUi();
1703	}
1704
1705	@Override
1706	public void onConversationUpdate() {
1707		this.refreshUi();
1708	}
1709
1710	@Override
1711	public void onRosterUpdate() {
1712		this.refreshUi();
1713	}
1714
1715	@Override
1716	public void OnUpdateBlocklist(Status status) {
1717		this.refreshUi();
1718	}
1719
1720	public void unblockConversation(final Blockable conversation) {
1721		xmppConnectionService.sendUnblockRequest(conversation);
1722	}
1723
1724	public boolean enterIsSend() {
1725		return getPreferences().getBoolean("enter_is_send",false);
1726	}
1727
1728	@Override
1729	public void onShowErrorToast(final int resId) {
1730		runOnUiThread(new Runnable() {
1731			@Override
1732			public void run() {
1733				Toast.makeText(ConversationActivity.this,resId,Toast.LENGTH_SHORT).show();
1734			}
1735		});
1736	}
1737
1738	public boolean highlightSelectedConversations() {
1739		return !isConversationsOverviewHideable() || this.conversationWasSelectedByKeyboard;
1740	}
1741
1742	public void setMessagesLoaded() {
1743		if (mConversationFragment != null) {
1744			mConversationFragment.setMessagesLoaded();
1745			mConversationFragment.updateMessages();
1746		}
1747	}
1748}