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