ConversationActivity.java

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