1package eu.siacs.conversations.ui;
   2
   3import android.annotation.SuppressLint;
   4import android.app.ActionBar;
   5import android.app.AlertDialog;
   6import android.app.FragmentTransaction;
   7import android.app.PendingIntent;
   8import android.content.ActivityNotFoundException;
   9import android.content.ClipData;
  10import android.content.DialogInterface;
  11import android.content.DialogInterface.OnClickListener;
  12import android.content.Intent;
  13import android.content.IntentSender.SendIntentException;
  14import android.content.pm.PackageManager;
  15import android.net.Uri;
  16import android.os.Build;
  17import android.os.Bundle;
  18import android.os.Handler;
  19import android.provider.MediaStore;
  20import android.provider.Settings;
  21import android.support.v4.widget.SlidingPaneLayout;
  22import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
  23import android.util.Log;
  24import android.util.Pair;
  25import android.view.Gravity;
  26import android.view.KeyEvent;
  27import android.view.Menu;
  28import android.view.MenuItem;
  29import android.view.Surface;
  30import android.view.View;
  31import android.widget.AdapterView;
  32import android.widget.AdapterView.OnItemClickListener;
  33import android.widget.ArrayAdapter;
  34import android.widget.CheckBox;
  35import android.widget.PopupMenu;
  36import android.widget.PopupMenu.OnMenuItemClickListener;
  37import android.widget.Toast;
  38
  39import net.java.otr4j.session.SessionStatus;
  40
  41import org.openintents.openpgp.util.OpenPgpApi;
  42
  43import java.util.ArrayList;
  44import java.util.Iterator;
  45import java.util.List;
  46import java.util.concurrent.atomic.AtomicBoolean;
  47
  48import de.timroes.android.listview.EnhancedListView;
  49import eu.siacs.conversations.Config;
  50import eu.siacs.conversations.R;
  51import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  52import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  53import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
  54import eu.siacs.conversations.entities.Account;
  55import eu.siacs.conversations.entities.Blockable;
  56import eu.siacs.conversations.entities.Contact;
  57import eu.siacs.conversations.entities.Conversation;
  58import eu.siacs.conversations.entities.Message;
  59import eu.siacs.conversations.entities.Transferable;
  60import eu.siacs.conversations.persistance.FileBackend;
  61import eu.siacs.conversations.services.XmppConnectionService;
  62import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
  63import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
  64import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  65import eu.siacs.conversations.ui.adapter.ConversationAdapter;
  66import eu.siacs.conversations.utils.ExceptionHelper;
  67import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  68import eu.siacs.conversations.xmpp.XmppConnection;
  69import eu.siacs.conversations.xmpp.jid.InvalidJidException;
  70import eu.siacs.conversations.xmpp.jid.Jid;
  71
  72public class ConversationActivity extends XmppActivity
  73	implements OnAccountUpdate, OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, XmppConnectionService.OnShowErrorToast {
  74
  75	public static final String ACTION_VIEW_CONVERSATION = "eu.siacs.conversations.action.VIEW";
  76	public static final String CONVERSATION = "conversationUuid";
  77	public static final String EXTRA_DOWNLOAD_UUID = "eu.siacs.conversations.download_uuid";
  78	public static final String TEXT = "text";
  79	public static final String NICK = "nick";
  80	public static final String PRIVATE_MESSAGE = "pm";
  81
  82	public static final int REQUEST_SEND_MESSAGE = 0x0201;
  83	public static final int REQUEST_DECRYPT_PGP = 0x0202;
  84	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
  85	public static final int REQUEST_TRUST_KEYS_TEXT = 0x0208;
  86	public static final int REQUEST_TRUST_KEYS_MENU = 0x0209;
  87	public static final int REQUEST_START_DOWNLOAD = 0x0210;
  88	public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
  89	public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
  90	public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
  91	public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
  92	public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
  93	public static final int ATTACHMENT_CHOICE_INVALID = 0x0306;
  94	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
  95	private static final String STATE_PANEL_OPEN = "state_panel_open";
  96	private static final String STATE_PENDING_URI = "state_pending_uri";
  97	private static final String STATE_FIRST_VISIBLE = "first_visible";
  98	private static final String STATE_OFFSET_FROM_TOP = "offset_from_top";
  99
 100	private String mOpenConversation = null;
 101	private boolean mPanelOpen = true;
 102	private AtomicBoolean mShouldPanelBeOpen = new AtomicBoolean(false);
 103	private Pair<Integer,Integer> mScrollPosition = null;
 104	final private List<Uri> mPendingImageUris = new ArrayList<>();
 105	final private List<Uri> mPendingFileUris = new ArrayList<>();
 106	private Uri mPendingGeoUri = null;
 107	private boolean forbidProcessingPendings = false;
 108	private Message mPendingDownloadableMessage = null;
 109
 110	private boolean conversationWasSelectedByKeyboard = false;
 111
 112	private View mContentView;
 113
 114	private List<Conversation> conversationList = new ArrayList<>();
 115	private Conversation swipedConversation = null;
 116	private Conversation mSelectedConversation = null;
 117	private EnhancedListView listView;
 118	private ConversationFragment mConversationFragment;
 119
 120	private ArrayAdapter<Conversation> listAdapter;
 121
 122	private boolean mActivityPaused = false;
 123	private AtomicBoolean mRedirected = new AtomicBoolean(false);
 124	private Pair<Integer, Intent> mPostponedActivityResult;
 125	private boolean mUnprocessedNewIntent = false;
 126
 127	public Conversation getSelectedConversation() {
 128		return this.mSelectedConversation;
 129	}
 130
 131	public void setSelectedConversation(Conversation conversation) {
 132		this.mSelectedConversation = conversation;
 133	}
 134
 135	public void showConversationsOverview() {
 136		if (mContentView instanceof SlidingPaneLayout) {
 137			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 138			mShouldPanelBeOpen.set(true);
 139			mSlidingPaneLayout.openPane();
 140		}
 141	}
 142
 143	@Override
 144	protected String getShareableUri() {
 145		Conversation conversation = getSelectedConversation();
 146		if (conversation != null) {
 147			return conversation.getAccount().getShareableUri();
 148		} else {
 149			return "";
 150		}
 151	}
 152
 153	public void hideConversationsOverview() {
 154		if (mContentView instanceof SlidingPaneLayout) {
 155			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 156			mShouldPanelBeOpen.set(false);
 157			mSlidingPaneLayout.closePane();
 158		}
 159	}
 160
 161	public boolean isConversationsOverviewHideable() {
 162		return mContentView instanceof SlidingPaneLayout;
 163	}
 164
 165	public boolean isConversationsOverviewVisable() {
 166		if (mContentView instanceof SlidingPaneLayout) {
 167			return mShouldPanelBeOpen.get();
 168		} else {
 169			return true;
 170		}
 171	}
 172
 173	@Override
 174	protected void onCreate(final Bundle savedInstanceState) {
 175		super.onCreate(savedInstanceState);
 176		if (savedInstanceState != null) {
 177			mOpenConversation = savedInstanceState.getString(STATE_OPEN_CONVERSATION, null);
 178			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
 179			int pos = savedInstanceState.getInt(STATE_FIRST_VISIBLE, -1);
 180			int offset = savedInstanceState.getInt(STATE_OFFSET_FROM_TOP, 1);
 181			if (pos >= 0 && offset <= 0) {
 182				Log.d(Config.LOGTAG,"retrieved scroll position from instanceState "+pos+":"+offset);
 183				mScrollPosition = new Pair<>(pos,offset);
 184			} else {
 185				mScrollPosition = null;
 186			}
 187			String pending = savedInstanceState.getString(STATE_PENDING_URI, null);
 188			if (pending != null) {
 189				Log.d(Config.LOGTAG,"ConversationsActivity.onCreate() - restoring pending image uri");
 190				mPendingImageUris.clear();
 191				mPendingImageUris.add(Uri.parse(pending));
 192			}
 193		}
 194
 195		setContentView(R.layout.fragment_conversations_overview);
 196
 197		this.mConversationFragment = new ConversationFragment();
 198		FragmentTransaction transaction = getFragmentManager().beginTransaction();
 199		transaction.replace(R.id.selected_conversation, this.mConversationFragment, "conversation");
 200		transaction.commit();
 201
 202		listView = (EnhancedListView) findViewById(R.id.list);
 203		this.listAdapter = new ConversationAdapter(this, conversationList);
 204		listView.setAdapter(this.listAdapter);
 205
 206		if (getActionBar() != null) {
 207			getActionBar().setDisplayHomeAsUpEnabled(false);
 208			getActionBar().setHomeButtonEnabled(false);
 209		}
 210
 211		listView.setOnItemClickListener(new OnItemClickListener() {
 212
 213			@Override
 214			public void onItemClick(AdapterView<?> arg0, View clickedView,
 215									int position, long arg3) {
 216				if (getSelectedConversation() != conversationList.get(position)) {
 217					setSelectedConversation(conversationList.get(position));
 218					ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 219					conversationWasSelectedByKeyboard = false;
 220				}
 221				hideConversationsOverview();
 222				openConversation();
 223			}
 224		});
 225
 226		listView.setDismissCallback(new EnhancedListView.OnDismissCallback() {
 227
 228			@Override
 229			public EnhancedListView.Undoable onDismiss(final EnhancedListView enhancedListView, final int position) {
 230
 231				final int index = listView.getFirstVisiblePosition();
 232				View v = listView.getChildAt(0);
 233				final int top = (v == null) ? 0 : (v.getTop() - listView.getPaddingTop());
 234
 235				try {
 236					swipedConversation = listAdapter.getItem(position);
 237				} catch (IndexOutOfBoundsException e) {
 238					return null;
 239				}
 240				listAdapter.remove(swipedConversation);
 241				xmppConnectionService.markRead(swipedConversation);
 242
 243				final boolean formerlySelected = (getSelectedConversation() == swipedConversation);
 244				if (position == 0 && listAdapter.getCount() == 0) {
 245					endConversation(swipedConversation, false, true);
 246					return null;
 247				} else if (formerlySelected) {
 248					setSelectedConversation(listAdapter.getItem(0));
 249					ConversationActivity.this.mConversationFragment
 250							.reInit(getSelectedConversation());
 251				}
 252
 253				return new EnhancedListView.Undoable() {
 254
 255					@Override
 256					public void undo() {
 257						listAdapter.insert(swipedConversation, position);
 258						if (formerlySelected) {
 259							setSelectedConversation(swipedConversation);
 260							ConversationActivity.this.mConversationFragment
 261									.reInit(getSelectedConversation());
 262						}
 263						swipedConversation = null;
 264						listView.setSelectionFromTop(index + (listView.getChildCount() < position ? 1 : 0), top);
 265					}
 266
 267					@Override
 268					public void discard() {
 269						if (!swipedConversation.isRead()
 270								&& swipedConversation.getMode() == Conversation.MODE_SINGLE) {
 271							swipedConversation = null;
 272							return;
 273						}
 274						endConversation(swipedConversation, false, false);
 275						swipedConversation = null;
 276					}
 277
 278					@Override
 279					public String getTitle() {
 280						if (swipedConversation.getMode() == Conversation.MODE_MULTI) {
 281							return getResources().getString(R.string.title_undo_swipe_out_muc);
 282						} else {
 283							return getResources().getString(R.string.title_undo_swipe_out_conversation);
 284						}
 285					}
 286				};
 287			}
 288		});
 289		listView.enableSwipeToDismiss();
 290		listView.setSwipingLayout(R.id.swipeable_item);
 291		listView.setUndoStyle(EnhancedListView.UndoStyle.SINGLE_POPUP);
 292		listView.setUndoHideDelay(5000);
 293		listView.setRequireTouchBeforeDismiss(false);
 294
 295		mContentView = findViewById(R.id.content_view_spl);
 296		if (mContentView == null) {
 297			mContentView = findViewById(R.id.content_view_ll);
 298		}
 299		if (mContentView instanceof SlidingPaneLayout) {
 300			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 301			mSlidingPaneLayout.setShadowResource(R.drawable.es_slidingpane_shadow);
 302			mSlidingPaneLayout.setSliderFadeColor(0);
 303			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
 304
 305				@Override
 306				public void onPanelOpened(View arg0) {
 307					mShouldPanelBeOpen.set(true);
 308					updateActionBarTitle();
 309					invalidateOptionsMenu();
 310					hideKeyboard();
 311					if (xmppConnectionServiceBound) {
 312						xmppConnectionService.getNotificationService().setOpenConversation(null);
 313					}
 314					closeContextMenu();
 315				}
 316
 317				@Override
 318				public void onPanelClosed(View arg0) {
 319					mShouldPanelBeOpen.set(false);
 320					listView.discardUndo();
 321					openConversation();
 322				}
 323
 324				@Override
 325				public void onPanelSlide(View arg0, float arg1) {
 326					// TODO Auto-generated method stub
 327
 328				}
 329			});
 330		}
 331	}
 332
 333	@Override
 334	public void switchToConversation(Conversation conversation) {
 335		setSelectedConversation(conversation);
 336		runOnUiThread(new Runnable() {
 337			@Override
 338			public void run() {
 339				ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 340				openConversation();
 341			}
 342		});
 343	}
 344
 345	private void updateActionBarTitle() {
 346		updateActionBarTitle(isConversationsOverviewHideable() && !isConversationsOverviewVisable());
 347	}
 348
 349	private void updateActionBarTitle(boolean titleShouldBeName) {
 350		final ActionBar ab = getActionBar();
 351		final Conversation conversation = getSelectedConversation();
 352		if (ab != null) {
 353			if (titleShouldBeName && conversation != null) {
 354				ab.setDisplayHomeAsUpEnabled(true);
 355				ab.setHomeButtonEnabled(true);
 356				if (conversation.getMode() == Conversation.MODE_SINGLE || useSubjectToIdentifyConference()) {
 357					ab.setTitle(conversation.getName());
 358				} else {
 359					ab.setTitle(conversation.getJid().toBareJid().toString());
 360				}
 361			} else {
 362				ab.setDisplayHomeAsUpEnabled(false);
 363				ab.setHomeButtonEnabled(false);
 364				ab.setTitle(R.string.app_name);
 365			}
 366		}
 367	}
 368
 369	private void openConversation() {
 370		this.updateActionBarTitle();
 371		this.invalidateOptionsMenu();
 372		if (xmppConnectionServiceBound) {
 373			final Conversation conversation = getSelectedConversation();
 374			xmppConnectionService.getNotificationService().setOpenConversation(conversation);
 375			sendReadMarkerIfNecessary(conversation);
 376		}
 377		listAdapter.notifyDataSetChanged();
 378	}
 379
 380	public void sendReadMarkerIfNecessary(final Conversation conversation) {
 381		if (!mActivityPaused && !mUnprocessedNewIntent && conversation != null) {
 382			xmppConnectionService.sendReadMarker(conversation);
 383		}
 384	}
 385
 386	@Override
 387	public boolean onCreateOptionsMenu(Menu menu) {
 388		getMenuInflater().inflate(R.menu.conversations, menu);
 389		final MenuItem menuSecure = menu.findItem(R.id.action_security);
 390		final MenuItem menuArchive = menu.findItem(R.id.action_archive);
 391		final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
 392		final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
 393		final MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
 394		final MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
 395		final MenuItem menuAdd = menu.findItem(R.id.action_add);
 396		final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
 397		final MenuItem menuMute = menu.findItem(R.id.action_mute);
 398		final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
 399
 400		if (isConversationsOverviewVisable() && isConversationsOverviewHideable()) {
 401			menuArchive.setVisible(false);
 402			menuMucDetails.setVisible(false);
 403			menuContactDetails.setVisible(false);
 404			menuSecure.setVisible(false);
 405			menuInviteContact.setVisible(false);
 406			menuAttach.setVisible(false);
 407			menuClearHistory.setVisible(false);
 408			menuMute.setVisible(false);
 409			menuUnmute.setVisible(false);
 410		} else {
 411			menuAdd.setVisible(!isConversationsOverviewHideable());
 412			if (this.getSelectedConversation() != null) {
 413				if (this.getSelectedConversation().getNextEncryption() != Message.ENCRYPTION_NONE) {
 414					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 415						menuSecure.setIcon(R.drawable.ic_lock_white_24dp);
 416					} else {
 417						menuSecure.setIcon(R.drawable.ic_action_secure);
 418					}
 419				}
 420				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
 421					menuContactDetails.setVisible(false);
 422					menuAttach.setVisible(getSelectedConversation().getAccount().httpUploadAvailable() && getSelectedConversation().getMucOptions().participating());
 423					menuInviteContact.setVisible(getSelectedConversation().getMucOptions().canInvite());
 424					menuSecure.setVisible((Config.supportOpenPgp() || Config.supportOmemo()) && Config.multipleEncryptionChoices()); //only if pgp is supported we have a choice
 425				} else {
 426					menuContactDetails.setVisible(!this.getSelectedConversation().withSelf());
 427					menuMucDetails.setVisible(false);
 428					menuSecure.setVisible(Config.multipleEncryptionChoices());
 429					menuInviteContact.setVisible(xmppConnectionService != null && xmppConnectionService.findConferenceServer(getSelectedConversation().getAccount()) != null);
 430				}
 431				if (this.getSelectedConversation().isMuted()) {
 432					menuMute.setVisible(false);
 433				} else {
 434					menuUnmute.setVisible(false);
 435				}
 436			}
 437		}
 438		if (Config.supportOmemo()) {
 439			new Handler().post(new Runnable() {
 440				@Override
 441				public void run() {
 442					View view = findViewById(R.id.action_security);
 443					if (view != null) {
 444						view.setOnLongClickListener(new View.OnLongClickListener() {
 445							@Override
 446							public boolean onLongClick(View v) {
 447								return quickOmemoDebugger(getSelectedConversation());
 448							}
 449						});
 450					}
 451				}
 452			});
 453		}
 454		return super.onCreateOptionsMenu(menu);
 455	}
 456
 457	private boolean quickOmemoDebugger(Conversation c) {
 458		if (c != null) {
 459			boolean single = c.getMode() == Conversation.MODE_SINGLE;
 460			AxolotlService axolotlService = c.getAccount().getAxolotlService();
 461			Pair<AxolotlService.AxolotlCapability,Jid> capabilityJidPair = axolotlService.isConversationAxolotlCapableDetailed(c);
 462			switch (capabilityJidPair.first) {
 463				case MISSING_PRESENCE:
 464					Toast.makeText(ConversationActivity.this,single ? getString(R.string.missing_presence_subscription) : getString(R.string.missing_presence_subscription_with_x,capabilityJidPair.second.toBareJid().toString()),Toast.LENGTH_SHORT).show();
 465					return true;
 466				case MISSING_KEYS:
 467					Toast.makeText(ConversationActivity.this,single ? getString(R.string.missing_omemo_keys) : getString(R.string.missing_keys_from_x,capabilityJidPair.second.toBareJid().toString()),Toast.LENGTH_SHORT).show();
 468					return true;
 469				case WRONG_CONFIGURATION:
 470					Toast.makeText(ConversationActivity.this,R.string.wrong_conference_configuration, Toast.LENGTH_SHORT).show();
 471					return true;
 472				case NO_MEMBERS:
 473					Toast.makeText(ConversationActivity.this,R.string.this_conference_has_no_members, Toast.LENGTH_SHORT).show();
 474					return true;
 475			}
 476		}
 477		return false;
 478	}
 479
 480	protected void selectPresenceToAttachFile(final int attachmentChoice, final int encryption) {
 481		final Conversation conversation = getSelectedConversation();
 482		final Account account = conversation.getAccount();
 483		final OnPresenceSelected callback = new OnPresenceSelected() {
 484
 485			@Override
 486			public void onPresenceSelected() {
 487				Intent intent = new Intent();
 488				boolean chooser = false;
 489				String fallbackPackageId = null;
 490				switch (attachmentChoice) {
 491					case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 492						intent.setAction(Intent.ACTION_GET_CONTENT);
 493						if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 494							intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 495						}
 496						intent.setType("image/*");
 497						chooser = true;
 498						break;
 499					case ATTACHMENT_CHOICE_TAKE_PHOTO:
 500						Uri uri = xmppConnectionService.getFileBackend().getTakePhotoUri();
 501						intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 502						intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 503						intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
 504						intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
 505						mPendingImageUris.clear();
 506						mPendingImageUris.add(uri);
 507						break;
 508					case ATTACHMENT_CHOICE_CHOOSE_FILE:
 509						chooser = true;
 510						intent.setType("*/*");
 511						intent.addCategory(Intent.CATEGORY_OPENABLE);
 512						intent.setAction(Intent.ACTION_GET_CONTENT);
 513						break;
 514					case ATTACHMENT_CHOICE_RECORD_VOICE:
 515						intent.setAction(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
 516						fallbackPackageId = "eu.siacs.conversations.voicerecorder";
 517						break;
 518					case ATTACHMENT_CHOICE_LOCATION:
 519						intent.setAction("eu.siacs.conversations.location.request");
 520						fallbackPackageId = "eu.siacs.conversations.sharelocation";
 521						break;
 522				}
 523				if (intent.resolveActivity(getPackageManager()) != null) {
 524					if (chooser) {
 525						startActivityForResult(
 526								Intent.createChooser(intent, getString(R.string.perform_action_with)),
 527								attachmentChoice);
 528					} else {
 529						startActivityForResult(intent, attachmentChoice);
 530					}
 531				} else if (fallbackPackageId != null) {
 532					startActivity(getInstallApkIntent(fallbackPackageId));
 533				}
 534			}
 535		};
 536		if ((account.httpUploadAvailable() || attachmentChoice == ATTACHMENT_CHOICE_LOCATION) && encryption != Message.ENCRYPTION_OTR) {
 537			conversation.setNextCounterpart(null);
 538			callback.onPresenceSelected();
 539		} else {
 540			selectPresence(conversation, callback);
 541		}
 542	}
 543
 544	private Intent getInstallApkIntent(final String packageId) {
 545		Intent intent = new Intent(Intent.ACTION_VIEW);
 546		intent.setData(Uri.parse("market://details?id=" + packageId));
 547		if (intent.resolveActivity(getPackageManager()) != null) {
 548			return intent;
 549		} else {
 550			intent.setData(Uri.parse("http://play.google.com/store/apps/details?id=" + packageId));
 551			return intent;
 552		}
 553	}
 554
 555	public void attachFile(final int attachmentChoice) {
 556		if (attachmentChoice != ATTACHMENT_CHOICE_LOCATION) {
 557			if (!Config.ONLY_INTERNAL_STORAGE && !hasStoragePermission(attachmentChoice)) {
 558				return;
 559			}
 560		}
 561		switch (attachmentChoice) {
 562			case ATTACHMENT_CHOICE_LOCATION:
 563				getPreferences().edit().putString("recently_used_quick_action", "location").apply();
 564				break;
 565			case ATTACHMENT_CHOICE_RECORD_VOICE:
 566				getPreferences().edit().putString("recently_used_quick_action", "voice").apply();
 567				break;
 568			case ATTACHMENT_CHOICE_TAKE_PHOTO:
 569				getPreferences().edit().putString("recently_used_quick_action", "photo").apply();
 570				break;
 571			case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 572				getPreferences().edit().putString("recently_used_quick_action", "picture").apply();
 573				break;
 574		}
 575		final Conversation conversation = getSelectedConversation();
 576		final int encryption = conversation.getNextEncryption();
 577		final int mode = conversation.getMode();
 578		if (encryption == Message.ENCRYPTION_PGP) {
 579			if (hasPgp()) {
 580				if (mode == Conversation.MODE_SINGLE && conversation.getContact().getPgpKeyId() != 0) {
 581					xmppConnectionService.getPgpEngine().hasKey(
 582							conversation.getContact(),
 583							new UiCallback<Contact>() {
 584
 585								@Override
 586								public void userInputRequried(PendingIntent pi, Contact contact) {
 587									ConversationActivity.this.runIntent(pi, attachmentChoice);
 588								}
 589
 590								@Override
 591								public void success(Contact contact) {
 592									selectPresenceToAttachFile(attachmentChoice, encryption);
 593								}
 594
 595								@Override
 596								public void error(int error, Contact contact) {
 597									replaceToast(getString(error));
 598								}
 599							});
 600				} else if (mode == Conversation.MODE_MULTI && conversation.getMucOptions().pgpKeysInUse()) {
 601					if (!conversation.getMucOptions().everybodyHasKeys()) {
 602						Toast warning = Toast
 603								.makeText(this,
 604										R.string.missing_public_keys,
 605										Toast.LENGTH_LONG);
 606						warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
 607						warning.show();
 608					}
 609					selectPresenceToAttachFile(attachmentChoice, encryption);
 610				} else {
 611					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 612							.findFragmentByTag("conversation");
 613					if (fragment != null) {
 614						fragment.showNoPGPKeyDialog(false,
 615								new OnClickListener() {
 616
 617									@Override
 618									public void onClick(DialogInterface dialog,
 619														int which) {
 620										conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 621										xmppConnectionService.updateConversation(conversation);
 622										selectPresenceToAttachFile(attachmentChoice, Message.ENCRYPTION_NONE);
 623									}
 624								});
 625					}
 626				}
 627			} else {
 628				showInstallPgpDialog();
 629			}
 630		} else {
 631			if (encryption != Message.ENCRYPTION_AXOLOTL || !trustKeysIfNeeded(REQUEST_TRUST_KEYS_MENU, attachmentChoice)) {
 632				selectPresenceToAttachFile(attachmentChoice, encryption);
 633			}
 634		}
 635	}
 636
 637	@Override
 638	public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
 639		if (grantResults.length > 0)
 640			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 641				if (requestCode == REQUEST_START_DOWNLOAD) {
 642					if (this.mPendingDownloadableMessage != null) {
 643						startDownloadable(this.mPendingDownloadableMessage);
 644					}
 645				} else {
 646					attachFile(requestCode);
 647				}
 648			} else {
 649				Toast.makeText(this, R.string.no_storage_permission, Toast.LENGTH_SHORT).show();
 650			}
 651	}
 652
 653	public void startDownloadable(Message message) {
 654		if (!Config.ONLY_INTERNAL_STORAGE && !hasStoragePermission(ConversationActivity.REQUEST_START_DOWNLOAD)) {
 655			this.mPendingDownloadableMessage = message;
 656			return;
 657		}
 658		Transferable transferable = message.getTransferable();
 659		if (transferable != null) {
 660			if (!transferable.start()) {
 661				Toast.makeText(this, R.string.not_connected_try_again, Toast.LENGTH_SHORT).show();
 662			}
 663		} else if (message.treatAsDownloadable() != Message.Decision.NEVER) {
 664			xmppConnectionService.getHttpConnectionManager().createNewDownloadConnection(message, true);
 665		}
 666	}
 667
 668	@Override
 669	public boolean onOptionsItemSelected(final MenuItem item) {
 670		if (item.getItemId() == android.R.id.home) {
 671			showConversationsOverview();
 672			return true;
 673		} else if (item.getItemId() == R.id.action_add) {
 674			startActivity(new Intent(this, StartConversationActivity.class));
 675			return true;
 676		} else if (getSelectedConversation() != null) {
 677			switch (item.getItemId()) {
 678				case R.id.action_attach_file:
 679					attachFileDialog();
 680					break;
 681				case R.id.action_archive:
 682					this.endConversation(getSelectedConversation());
 683					break;
 684				case R.id.action_contact_details:
 685					switchToContactDetails(getSelectedConversation().getContact());
 686					break;
 687				case R.id.action_muc_details:
 688					Intent intent = new Intent(this,
 689							ConferenceDetailsActivity.class);
 690					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
 691					intent.putExtra("uuid", getSelectedConversation().getUuid());
 692					startActivity(intent);
 693					break;
 694				case R.id.action_invite:
 695					inviteToConversation(getSelectedConversation());
 696					break;
 697				case R.id.action_security:
 698					selectEncryptionDialog(getSelectedConversation());
 699					break;
 700				case R.id.action_clear_history:
 701					clearHistoryDialog(getSelectedConversation());
 702					break;
 703				case R.id.action_mute:
 704					muteConversationDialog(getSelectedConversation());
 705					break;
 706				case R.id.action_unmute:
 707					unmuteConversation(getSelectedConversation());
 708					break;
 709				case R.id.action_block:
 710					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 711					break;
 712				case R.id.action_unblock:
 713					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 714					break;
 715				default:
 716					break;
 717			}
 718			return super.onOptionsItemSelected(item);
 719		} else {
 720			return super.onOptionsItemSelected(item);
 721		}
 722	}
 723
 724	public void endConversation(Conversation conversation) {
 725		endConversation(conversation, true, true);
 726	}
 727
 728	public void endConversation(Conversation conversation, boolean showOverview, boolean reinit) {
 729		if (showOverview) {
 730			showConversationsOverview();
 731		}
 732		xmppConnectionService.archiveConversation(conversation);
 733		if (reinit) {
 734			if (conversationList.size() > 0) {
 735				setSelectedConversation(conversationList.get(0));
 736				this.mConversationFragment.reInit(getSelectedConversation());
 737			} else {
 738				setSelectedConversation(null);
 739				if (mRedirected.compareAndSet(false, true)) {
 740					Intent intent = new Intent(this, StartConversationActivity.class);
 741					intent.putExtra("init", true);
 742					startActivity(intent);
 743					finish();
 744				}
 745			}
 746		}
 747	}
 748
 749	@SuppressLint("InflateParams")
 750	protected void clearHistoryDialog(final Conversation conversation) {
 751		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 752		builder.setTitle(getString(R.string.clear_conversation_history));
 753		View dialogView = getLayoutInflater().inflate(
 754				R.layout.dialog_clear_history, null);
 755		final CheckBox endConversationCheckBox = (CheckBox) dialogView
 756				.findViewById(R.id.end_conversation_checkbox);
 757		builder.setView(dialogView);
 758		builder.setNegativeButton(getString(R.string.cancel), null);
 759		builder.setPositiveButton(getString(R.string.delete_messages),
 760				new OnClickListener() {
 761
 762					@Override
 763					public void onClick(DialogInterface dialog, int which) {
 764						ConversationActivity.this.xmppConnectionService.clearConversationHistory(conversation);
 765						if (endConversationCheckBox.isChecked()) {
 766							endConversation(conversation);
 767						} else {
 768							updateConversationList();
 769							ConversationActivity.this.mConversationFragment.updateMessages();
 770						}
 771					}
 772				});
 773		builder.create().show();
 774	}
 775
 776	protected void attachFileDialog() {
 777		View menuAttachFile = findViewById(R.id.action_attach_file);
 778		if (menuAttachFile == null) {
 779			return;
 780		}
 781		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
 782		attachFilePopup.inflate(R.menu.attachment_choices);
 783		if (new Intent(MediaStore.Audio.Media.RECORD_SOUND_ACTION).resolveActivity(getPackageManager()) == null) {
 784			attachFilePopup.getMenu().findItem(R.id.attach_record_voice).setVisible(false);
 785		}
 786		if (new Intent("eu.siacs.conversations.location.request").resolveActivity(getPackageManager()) == null) {
 787			attachFilePopup.getMenu().findItem(R.id.attach_location).setVisible(false);
 788		}
 789		attachFilePopup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 790
 791			@Override
 792			public boolean onMenuItemClick(MenuItem item) {
 793				switch (item.getItemId()) {
 794					case R.id.attach_choose_picture:
 795						attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
 796						break;
 797					case R.id.attach_take_picture:
 798						attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
 799						break;
 800					case R.id.attach_choose_file:
 801						attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
 802						break;
 803					case R.id.attach_record_voice:
 804						attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
 805						break;
 806					case R.id.attach_location:
 807						attachFile(ATTACHMENT_CHOICE_LOCATION);
 808						break;
 809				}
 810				return false;
 811			}
 812		});
 813		attachFilePopup.show();
 814	}
 815
 816	public void verifyOtrSessionDialog(final Conversation conversation, View view) {
 817		if (!conversation.hasValidOtrSession() || conversation.getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
 818			Toast.makeText(this, R.string.otr_session_not_started, Toast.LENGTH_LONG).show();
 819			return;
 820		}
 821		if (view == null) {
 822			return;
 823		}
 824		PopupMenu popup = new PopupMenu(this, view);
 825		popup.inflate(R.menu.verification_choices);
 826		popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 827			@Override
 828			public boolean onMenuItemClick(MenuItem menuItem) {
 829				Intent intent = new Intent(ConversationActivity.this, VerifyOTRActivity.class);
 830				intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
 831				intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
 832				intent.putExtra(EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
 833				switch (menuItem.getItemId()) {
 834					case R.id.scan_fingerprint:
 835						intent.putExtra("mode", VerifyOTRActivity.MODE_SCAN_FINGERPRINT);
 836						break;
 837					case R.id.ask_question:
 838						intent.putExtra("mode", VerifyOTRActivity.MODE_ASK_QUESTION);
 839						break;
 840					case R.id.manual_verification:
 841						intent.putExtra("mode", VerifyOTRActivity.MODE_MANUAL_VERIFICATION);
 842						break;
 843				}
 844				startActivity(intent);
 845				return true;
 846			}
 847		});
 848		popup.show();
 849	}
 850
 851	protected void selectEncryptionDialog(final Conversation conversation) {
 852		View menuItemView = findViewById(R.id.action_security);
 853		if (menuItemView == null) {
 854			return;
 855		}
 856		PopupMenu popup = new PopupMenu(this, menuItemView);
 857		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 858				.findFragmentByTag("conversation");
 859		if (fragment != null) {
 860			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 861
 862				@Override
 863				public boolean onMenuItemClick(MenuItem item) {
 864					switch (item.getItemId()) {
 865						case R.id.encryption_choice_none:
 866							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 867							item.setChecked(true);
 868							break;
 869						case R.id.encryption_choice_otr:
 870							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
 871							item.setChecked(true);
 872							break;
 873						case R.id.encryption_choice_pgp:
 874							if (hasPgp()) {
 875								if (conversation.getAccount().getPgpSignature() != null) {
 876									conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 877									item.setChecked(true);
 878								} else {
 879									announcePgp(conversation.getAccount(), conversation, onOpenPGPKeyPublished);
 880								}
 881							} else {
 882								showInstallPgpDialog();
 883							}
 884							break;
 885						case R.id.encryption_choice_axolotl:
 886							Log.d(Config.LOGTAG, AxolotlService.getLogprefix(conversation.getAccount())
 887									+ "Enabled axolotl for Contact " + conversation.getContact().getJid());
 888							conversation.setNextEncryption(Message.ENCRYPTION_AXOLOTL);
 889							item.setChecked(true);
 890							break;
 891						default:
 892							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 893							break;
 894					}
 895					xmppConnectionService.updateConversation(conversation);
 896					fragment.updateChatMsgHint();
 897					invalidateOptionsMenu();
 898					refreshUi();
 899					return true;
 900				}
 901			});
 902			popup.inflate(R.menu.encryption_choices);
 903			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
 904			MenuItem none = popup.getMenu().findItem(R.id.encryption_choice_none);
 905			MenuItem pgp = popup.getMenu().findItem(R.id.encryption_choice_pgp);
 906			MenuItem axolotl = popup.getMenu().findItem(R.id.encryption_choice_axolotl);
 907			pgp.setVisible(Config.supportOpenPgp());
 908			none.setVisible(Config.supportUnencrypted() || conversation.getMode() == Conversation.MODE_MULTI);
 909			otr.setVisible(Config.supportOtr());
 910			axolotl.setVisible(Config.supportOmemo());
 911			if (conversation.getMode() == Conversation.MODE_MULTI) {
 912				otr.setVisible(false);
 913			}
 914			if (!conversation.getAccount().getAxolotlService().isConversationAxolotlCapable(conversation)) {
 915				axolotl.setEnabled(false);
 916			}
 917			switch (conversation.getNextEncryption()) {
 918				case Message.ENCRYPTION_NONE:
 919					none.setChecked(true);
 920					break;
 921				case Message.ENCRYPTION_OTR:
 922					otr.setChecked(true);
 923					break;
 924				case Message.ENCRYPTION_PGP:
 925					pgp.setChecked(true);
 926					break;
 927				case Message.ENCRYPTION_AXOLOTL:
 928					axolotl.setChecked(true);
 929					break;
 930				default:
 931					none.setChecked(true);
 932					break;
 933			}
 934			popup.show();
 935		}
 936	}
 937
 938	protected void muteConversationDialog(final Conversation conversation) {
 939		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 940		builder.setTitle(R.string.disable_notifications);
 941		final int[] durations = getResources().getIntArray(R.array.mute_options_durations);
 942		builder.setItems(R.array.mute_options_descriptions,
 943				new OnClickListener() {
 944
 945					@Override
 946					public void onClick(final DialogInterface dialog, final int which) {
 947						final long till;
 948						if (durations[which] == -1) {
 949							till = Long.MAX_VALUE;
 950						} else {
 951							till = System.currentTimeMillis() + (durations[which] * 1000);
 952						}
 953						conversation.setMutedTill(till);
 954						ConversationActivity.this.xmppConnectionService.updateConversation(conversation);
 955						updateConversationList();
 956						ConversationActivity.this.mConversationFragment.updateMessages();
 957						invalidateOptionsMenu();
 958					}
 959				});
 960		builder.create().show();
 961	}
 962
 963	public void unmuteConversation(final Conversation conversation) {
 964		conversation.setMutedTill(0);
 965		this.xmppConnectionService.updateConversation(conversation);
 966		updateConversationList();
 967		ConversationActivity.this.mConversationFragment.updateMessages();
 968		invalidateOptionsMenu();
 969	}
 970
 971	@Override
 972	public void onBackPressed() {
 973		if (!isConversationsOverviewVisable()) {
 974			showConversationsOverview();
 975		} else {
 976			super.onBackPressed();
 977		}
 978	}
 979
 980	@Override
 981	public boolean onKeyUp(int key, KeyEvent event) {
 982		int rotation = getWindowManager().getDefaultDisplay().getRotation();
 983		final int upKey;
 984		final int downKey;
 985		switch (rotation) {
 986			case Surface.ROTATION_90:
 987				upKey = KeyEvent.KEYCODE_DPAD_LEFT;
 988				downKey = KeyEvent.KEYCODE_DPAD_RIGHT;
 989				break;
 990			case Surface.ROTATION_180:
 991				upKey = KeyEvent.KEYCODE_DPAD_DOWN;
 992				downKey = KeyEvent.KEYCODE_DPAD_UP;
 993				break;
 994			case Surface.ROTATION_270:
 995				upKey = KeyEvent.KEYCODE_DPAD_RIGHT;
 996				downKey = KeyEvent.KEYCODE_DPAD_LEFT;
 997				break;
 998			case Surface.ROTATION_0:
 999			default:
1000				upKey = KeyEvent.KEYCODE_DPAD_UP;
1001				downKey = KeyEvent.KEYCODE_DPAD_DOWN;
1002		}
1003		final boolean modifier = event.isCtrlPressed() || (event.getMetaState() & KeyEvent.META_ALT_LEFT_ON) != 0;
1004		if (modifier && key == KeyEvent.KEYCODE_TAB && isConversationsOverviewHideable()) {
1005			toggleConversationsOverview();
1006			return true;
1007		} else if (modifier && key == KeyEvent.KEYCODE_SPACE) {
1008			startActivity(new Intent(this, StartConversationActivity.class));
1009			return true;
1010		} else if (modifier && key == downKey) {
1011			if (isConversationsOverviewHideable() && !isConversationsOverviewVisable()) {
1012				showConversationsOverview();
1013				;
1014			}
1015			return selectDownConversation();
1016		} else if (modifier && key == upKey) {
1017			if (isConversationsOverviewHideable() && !isConversationsOverviewVisable()) {
1018				showConversationsOverview();
1019			}
1020			return selectUpConversation();
1021		} else if (modifier && key == KeyEvent.KEYCODE_1) {
1022			return openConversationByIndex(0);
1023		} else if (modifier && key == KeyEvent.KEYCODE_2) {
1024			return openConversationByIndex(1);
1025		} else if (modifier && key == KeyEvent.KEYCODE_3) {
1026			return openConversationByIndex(2);
1027		} else if (modifier && key == KeyEvent.KEYCODE_4) {
1028			return openConversationByIndex(3);
1029		} else if (modifier && key == KeyEvent.KEYCODE_5) {
1030			return openConversationByIndex(4);
1031		} else if (modifier && key == KeyEvent.KEYCODE_6) {
1032			return openConversationByIndex(5);
1033		} else if (modifier && key == KeyEvent.KEYCODE_7) {
1034			return openConversationByIndex(6);
1035		} else if (modifier && key == KeyEvent.KEYCODE_8) {
1036			return openConversationByIndex(7);
1037		} else if (modifier && key == KeyEvent.KEYCODE_9) {
1038			return openConversationByIndex(8);
1039		} else if (modifier && key == KeyEvent.KEYCODE_0) {
1040			return openConversationByIndex(9);
1041		} else {
1042			return super.onKeyUp(key, event);
1043		}
1044	}
1045
1046	private void toggleConversationsOverview() {
1047		if (isConversationsOverviewVisable()) {
1048			hideConversationsOverview();
1049			if (mConversationFragment != null) {
1050				mConversationFragment.setFocusOnInputField();
1051			}
1052		} else {
1053			showConversationsOverview();
1054		}
1055	}
1056
1057	private boolean selectUpConversation() {
1058		if (this.mSelectedConversation != null) {
1059			int index = this.conversationList.indexOf(this.mSelectedConversation);
1060			if (index > 0) {
1061				return openConversationByIndex(index - 1);
1062			}
1063		}
1064		return false;
1065	}
1066
1067	private boolean selectDownConversation() {
1068		if (this.mSelectedConversation != null) {
1069			int index = this.conversationList.indexOf(this.mSelectedConversation);
1070			if (index != -1 && index < this.conversationList.size() - 1) {
1071				return openConversationByIndex(index + 1);
1072			}
1073		}
1074		return false;
1075	}
1076
1077	private boolean openConversationByIndex(int index) {
1078		try {
1079			this.conversationWasSelectedByKeyboard = true;
1080			setSelectedConversation(this.conversationList.get(index));
1081			this.mConversationFragment.reInit(getSelectedConversation());
1082			if (index > listView.getLastVisiblePosition() - 1 || index < listView.getFirstVisiblePosition() + 1) {
1083				this.listView.setSelection(index);
1084			}
1085			openConversation();
1086			return true;
1087		} catch (IndexOutOfBoundsException e) {
1088			return false;
1089		}
1090	}
1091
1092	@Override
1093	protected void onNewIntent(final Intent intent) {
1094		if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
1095			mOpenConversation = null;
1096			mUnprocessedNewIntent = true;
1097			if (xmppConnectionServiceBound) {
1098				handleViewConversationIntent(intent);
1099				intent.setAction(Intent.ACTION_MAIN);
1100			} else {
1101				setIntent(intent);
1102			}
1103		}
1104	}
1105
1106	@Override
1107	public void onStart() {
1108		super.onStart();
1109		this.mRedirected.set(false);
1110		if (this.xmppConnectionServiceBound) {
1111			this.onBackendConnected();
1112		}
1113		if (conversationList.size() >= 1) {
1114			this.onConversationUpdate();
1115		}
1116	}
1117
1118	@Override
1119	public void onPause() {
1120		listView.discardUndo();
1121		super.onPause();
1122		this.mActivityPaused = true;
1123	}
1124
1125	@Override
1126	public void onResume() {
1127		super.onResume();
1128		final int theme = findTheme();
1129		final boolean usingEnterKey = usingEnterKey();
1130		if (this.mTheme != theme || usingEnterKey != mUsingEnterKey) {
1131			recreate();
1132		}
1133		this.mActivityPaused = false;
1134
1135
1136		if (!isConversationsOverviewVisable() || !isConversationsOverviewHideable()) {
1137			sendReadMarkerIfNecessary(getSelectedConversation());
1138		}
1139
1140	}
1141
1142	@Override
1143	public void onSaveInstanceState(final Bundle savedInstanceState) {
1144		Conversation conversation = getSelectedConversation();
1145		if (conversation != null) {
1146			savedInstanceState.putString(STATE_OPEN_CONVERSATION, conversation.getUuid());
1147			Pair<Integer,Integer> scrollPosition = mConversationFragment.getScrollPosition();
1148			if (scrollPosition != null) {
1149				savedInstanceState.putInt(STATE_FIRST_VISIBLE, scrollPosition.first);
1150				savedInstanceState.putInt(STATE_OFFSET_FROM_TOP, scrollPosition.second);
1151			}
1152		} else {
1153			savedInstanceState.remove(STATE_OPEN_CONVERSATION);
1154		}
1155		savedInstanceState.putBoolean(STATE_PANEL_OPEN, isConversationsOverviewVisable());
1156		if (this.mPendingImageUris.size() >= 1) {
1157			Log.d(Config.LOGTAG,"ConversationsActivity.onSaveInstanceState() - saving pending image uri");
1158			savedInstanceState.putString(STATE_PENDING_URI, this.mPendingImageUris.get(0).toString());
1159		} else {
1160			savedInstanceState.remove(STATE_PENDING_URI);
1161		}
1162		super.onSaveInstanceState(savedInstanceState);
1163	}
1164
1165	private void clearPending() {
1166		mPendingImageUris.clear();
1167		mPendingFileUris.clear();
1168		mPendingGeoUri = null;
1169		mPostponedActivityResult = null;
1170	}
1171
1172	@Override
1173	void onBackendConnected() {
1174		this.xmppConnectionService.getNotificationService().setIsInForeground(true);
1175		updateConversationList();
1176
1177		if (mPendingConferenceInvite != null) {
1178			if (mPendingConferenceInvite.execute(this)) {
1179				mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
1180				mToast.show();
1181			}
1182			mPendingConferenceInvite = null;
1183		}
1184
1185		final Intent intent = getIntent();
1186
1187		if (xmppConnectionService.getAccounts().size() == 0) {
1188			if (mRedirected.compareAndSet(false, true)) {
1189				if (Config.X509_VERIFICATION) {
1190					startActivity(new Intent(this, ManageAccountActivity.class));
1191				} else if (Config.MAGIC_CREATE_DOMAIN != null) {
1192					startActivity(new Intent(this, WelcomeActivity.class));
1193				} else {
1194					Intent editAccount = new Intent(this, EditAccountActivity.class);
1195					editAccount.putExtra("init",true);
1196					startActivity(editAccount);
1197				}
1198				finish();
1199			}
1200		} else if (conversationList.size() <= 0) {
1201			if (mRedirected.compareAndSet(false, true)) {
1202				Account pendingAccount = xmppConnectionService.getPendingAccount();
1203				if (pendingAccount == null) {
1204					Intent startConversationActivity = new Intent(this, StartConversationActivity.class);
1205					intent.putExtra("init", true);
1206					startActivity(startConversationActivity);
1207				} else {
1208					switchToAccount(pendingAccount, true);
1209				}
1210				finish();
1211			}
1212		} else if (selectConversationByUuid(mOpenConversation)) {
1213			if (mPanelOpen) {
1214				showConversationsOverview();
1215			} else {
1216				if (isConversationsOverviewHideable()) {
1217					openConversation();
1218					updateActionBarTitle(true);
1219				}
1220			}
1221			if (this.mConversationFragment.reInit(getSelectedConversation())) {
1222				Log.d(Config.LOGTAG,"setting scroll position on fragment");
1223				this.mConversationFragment.setScrollPosition(mScrollPosition);
1224			}
1225			mOpenConversation = null;
1226		} else if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
1227			clearPending();
1228			handleViewConversationIntent(intent);
1229			intent.setAction(Intent.ACTION_MAIN);
1230		} else if (getSelectedConversation() == null) {
1231			showConversationsOverview();
1232			clearPending();
1233			setSelectedConversation(conversationList.get(0));
1234			this.mConversationFragment.reInit(getSelectedConversation());
1235		} else {
1236			this.mConversationFragment.messageListAdapter.updatePreferences();
1237			this.mConversationFragment.messagesView.invalidateViews();
1238			this.mConversationFragment.setupIme();
1239		}
1240
1241		if (this.mPostponedActivityResult != null) {
1242			this.onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
1243		}
1244
1245		final boolean stopping;
1246		if (Build.VERSION.SDK_INT >= 17) {
1247			stopping = isFinishing() || isDestroyed();
1248		} else {
1249			stopping = isFinishing();
1250		}
1251
1252		if (!forbidProcessingPendings) {
1253			for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1254				Uri foo = i.next();
1255				Log.d(Config.LOGTAG,"ConversationsActivity.onBackendConnected() - attaching image to conversations. stopping="+Boolean.toString(stopping));
1256				attachImageToConversation(getSelectedConversation(), foo);
1257			}
1258
1259			for (Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
1260				Log.d(Config.LOGTAG,"ConversationsActivity.onBackendConnected() - attaching file to conversations. stopping="+Boolean.toString(stopping));
1261				attachFileToConversation(getSelectedConversation(), i.next());
1262			}
1263
1264			if (mPendingGeoUri != null) {
1265				attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1266				mPendingGeoUri = null;
1267			}
1268		}
1269		forbidProcessingPendings = false;
1270
1271		if (!ExceptionHelper.checkForCrash(this, this.xmppConnectionService)) {
1272			openBatteryOptimizationDialogIfNeeded();
1273		}
1274		if (isConversationsOverviewVisable() && isConversationsOverviewHideable()) {
1275			xmppConnectionService.getNotificationService().setOpenConversation(null);
1276		} else {
1277			xmppConnectionService.getNotificationService().setOpenConversation(getSelectedConversation());
1278		}
1279	}
1280
1281	private void handleViewConversationIntent(final Intent intent) {
1282		final String uuid = intent.getStringExtra(CONVERSATION);
1283		final String downloadUuid = intent.getStringExtra(EXTRA_DOWNLOAD_UUID);
1284		final String text = intent.getStringExtra(TEXT);
1285		final String nick = intent.getStringExtra(NICK);
1286		final boolean pm = intent.getBooleanExtra(PRIVATE_MESSAGE, false);
1287		if (selectConversationByUuid(uuid)) {
1288			this.mConversationFragment.reInit(getSelectedConversation());
1289			if (nick != null) {
1290				if (pm) {
1291					Jid jid = getSelectedConversation().getJid();
1292					try {
1293						Jid next = Jid.fromParts(jid.getLocalpart(), jid.getDomainpart(), nick);
1294						this.mConversationFragment.privateMessageWith(next);
1295					} catch (final InvalidJidException ignored) {
1296						//do nothing
1297					}
1298				} else {
1299					this.mConversationFragment.highlightInConference(nick);
1300				}
1301			} else {
1302				this.mConversationFragment.appendText(text);
1303			}
1304			hideConversationsOverview();
1305			mUnprocessedNewIntent = false;
1306			openConversation();
1307			if (mContentView instanceof SlidingPaneLayout) {
1308				updateActionBarTitle(true); //fixes bug where slp isn't properly closed yet
1309			}
1310			if (downloadUuid != null) {
1311				final Message message = mSelectedConversation.findMessageWithFileAndUuid(downloadUuid);
1312				if (message != null) {
1313					startDownloadable(message);
1314				}
1315			}
1316		} else {
1317			mUnprocessedNewIntent = false;
1318		}
1319	}
1320
1321	private boolean selectConversationByUuid(String uuid) {
1322		if (uuid == null) {
1323			return false;
1324		}
1325		for (Conversation aConversationList : conversationList) {
1326			if (aConversationList.getUuid().equals(uuid)) {
1327				setSelectedConversation(aConversationList);
1328				return true;
1329			}
1330		}
1331		return false;
1332	}
1333
1334	@Override
1335	protected void unregisterListeners() {
1336		super.unregisterListeners();
1337		xmppConnectionService.getNotificationService().setOpenConversation(null);
1338	}
1339
1340	@SuppressLint("NewApi")
1341	private static List<Uri> extractUriFromIntent(final Intent intent) {
1342		List<Uri> uris = new ArrayList<>();
1343		if (intent == null) {
1344			return uris;
1345		}
1346		Uri uri = intent.getData();
1347		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2 && uri == null) {
1348			final ClipData clipData = intent.getClipData();
1349			if (clipData != null) {
1350				for (int i = 0; i < clipData.getItemCount(); ++i) {
1351					uris.add(clipData.getItemAt(i).getUri());
1352				}
1353			}
1354		} else {
1355			uris.add(uri);
1356		}
1357		return uris;
1358	}
1359
1360	@Override
1361	protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
1362		super.onActivityResult(requestCode, resultCode, data);
1363		if (resultCode == RESULT_OK) {
1364			if (requestCode == REQUEST_DECRYPT_PGP) {
1365				mConversationFragment.onActivityResult(requestCode, resultCode, data);
1366			} else if (requestCode == REQUEST_CHOOSE_PGP_ID) {
1367				// the user chose OpenPGP for encryption and selected his key in the PGP provider
1368				if (xmppConnectionServiceBound) {
1369					if (data.getExtras().containsKey(OpenPgpApi.EXTRA_SIGN_KEY_ID)) {
1370						// associate selected PGP keyId with the account
1371						mSelectedConversation.getAccount().setPgpSignId(data.getExtras().getLong(OpenPgpApi.EXTRA_SIGN_KEY_ID));
1372						// we need to announce the key as described in XEP-027
1373						announcePgp(mSelectedConversation.getAccount(), null, onOpenPGPKeyPublished);
1374					} else {
1375						choosePgpSignId(mSelectedConversation.getAccount());
1376					}
1377					this.mPostponedActivityResult = null;
1378				} else {
1379					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1380				}
1381			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
1382				if (xmppConnectionServiceBound) {
1383					announcePgp(mSelectedConversation.getAccount(), mSelectedConversation, onOpenPGPKeyPublished);
1384					this.mPostponedActivityResult = null;
1385				} else {
1386					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1387				}
1388			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
1389				mPendingImageUris.clear();
1390				mPendingImageUris.addAll(extractUriFromIntent(data));
1391				if (xmppConnectionServiceBound) {
1392					for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1393						Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching image to conversations. CHOOSE_IMAGE");
1394						attachImageToConversation(getSelectedConversation(), i.next());
1395					}
1396				}
1397			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_FILE || requestCode == ATTACHMENT_CHOICE_RECORD_VOICE) {
1398				final List<Uri> uris = extractUriFromIntent(data);
1399				final Conversation c = getSelectedConversation();
1400				final OnPresenceSelected callback = new OnPresenceSelected() {
1401					@Override
1402					public void onPresenceSelected() {
1403						mPendingFileUris.clear();
1404						mPendingFileUris.addAll(uris);
1405						if (xmppConnectionServiceBound) {
1406							for (Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
1407								Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching file to conversations. CHOOSE_FILE/RECORD_VOICE");
1408								attachFileToConversation(c, i.next());
1409							}
1410						}
1411					}
1412				};
1413				if (c == null || c.getMode() == Conversation.MODE_MULTI
1414						|| FileBackend.allFilesUnderSize(this, uris, getMaxHttpUploadSize(c))
1415						|| c.getNextEncryption() == Message.ENCRYPTION_OTR) {
1416					callback.onPresenceSelected();
1417				} else {
1418					selectPresence(c, callback);
1419				}
1420			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
1421				if (mPendingImageUris.size() == 1) {
1422					Uri uri = FileBackend.getIndexableTakePhotoUri(mPendingImageUris.get(0));
1423					mPendingImageUris.set(0, uri);
1424					if (xmppConnectionServiceBound) {
1425						Log.d(Config.LOGTAG,"ConversationsActivity.onActivityResult() - attaching image to conversations. TAKE_PHOTO");
1426						attachImageToConversation(getSelectedConversation(), uri);
1427						mPendingImageUris.clear();
1428					}
1429					if (!Config.ONLY_INTERNAL_STORAGE) {
1430						Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1431						intent.setData(uri);
1432						sendBroadcast(intent);
1433					}
1434				} else {
1435					mPendingImageUris.clear();
1436				}
1437			} else if (requestCode == ATTACHMENT_CHOICE_LOCATION) {
1438				double latitude = data.getDoubleExtra("latitude", 0);
1439				double longitude = data.getDoubleExtra("longitude", 0);
1440				this.mPendingGeoUri = Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude));
1441				if (xmppConnectionServiceBound) {
1442					attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1443					this.mPendingGeoUri = null;
1444				}
1445			} else if (requestCode == REQUEST_TRUST_KEYS_TEXT || requestCode == REQUEST_TRUST_KEYS_MENU) {
1446				this.forbidProcessingPendings = !xmppConnectionServiceBound;
1447				if (xmppConnectionServiceBound) {
1448					mConversationFragment.onActivityResult(requestCode, resultCode, data);
1449					this.mPostponedActivityResult = null;
1450				} else {
1451					this.mPostponedActivityResult = new Pair<>(requestCode, data);
1452				}
1453
1454			}
1455		} else {
1456			mPendingImageUris.clear();
1457			mPendingFileUris.clear();
1458			if (requestCode == ConversationActivity.REQUEST_DECRYPT_PGP) {
1459				mConversationFragment.onActivityResult(requestCode, resultCode, data);
1460			}
1461			if (requestCode == REQUEST_BATTERY_OP) {
1462				setNeverAskForBatteryOptimizationsAgain();
1463			}
1464		}
1465	}
1466
1467	private long getMaxHttpUploadSize(Conversation conversation) {
1468		final XmppConnection connection = conversation.getAccount().getXmppConnection();
1469		return connection == null ? -1 : connection.getFeatures().getMaxHttpUploadSize();
1470	}
1471
1472	private void setNeverAskForBatteryOptimizationsAgain() {
1473		getPreferences().edit().putBoolean("show_battery_optimization", false).commit();
1474	}
1475
1476	private void openBatteryOptimizationDialogIfNeeded() {
1477		if (hasAccountWithoutPush()
1478				&& isOptimizingBattery()
1479				&& getPreferences().getBoolean("show_battery_optimization", true)) {
1480			AlertDialog.Builder builder = new AlertDialog.Builder(this);
1481			builder.setTitle(R.string.battery_optimizations_enabled);
1482			builder.setMessage(R.string.battery_optimizations_enabled_dialog);
1483			builder.setPositiveButton(R.string.next, new OnClickListener() {
1484				@Override
1485				public void onClick(DialogInterface dialog, int which) {
1486					Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
1487					Uri uri = Uri.parse("package:" + getPackageName());
1488					intent.setData(uri);
1489					try {
1490						startActivityForResult(intent, REQUEST_BATTERY_OP);
1491					} catch (ActivityNotFoundException e) {
1492						Toast.makeText(ConversationActivity.this, R.string.device_does_not_support_battery_op, Toast.LENGTH_SHORT).show();
1493					}
1494				}
1495			});
1496			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
1497				builder.setOnDismissListener(new DialogInterface.OnDismissListener() {
1498					@Override
1499					public void onDismiss(DialogInterface dialog) {
1500						setNeverAskForBatteryOptimizationsAgain();
1501					}
1502				});
1503			}
1504			builder.create().show();
1505		}
1506	}
1507
1508	private boolean hasAccountWithoutPush() {
1509		for(Account account : xmppConnectionService.getAccounts()) {
1510			if (account.getStatus() != Account.State.DISABLED
1511					&& !xmppConnectionService.getPushManagementService().availableAndUseful(account)) {
1512				return true;
1513			}
1514		}
1515		return false;
1516	}
1517
1518	private void attachLocationToConversation(Conversation conversation, Uri uri) {
1519		if (conversation == null) {
1520			return;
1521		}
1522		xmppConnectionService.attachLocationToConversation(conversation,uri, new UiCallback<Message>() {
1523
1524			@Override
1525			public void success(Message message) {
1526				xmppConnectionService.sendMessage(message);
1527			}
1528
1529			@Override
1530			public void error(int errorCode, Message object) {
1531
1532			}
1533
1534			@Override
1535			public void userInputRequried(PendingIntent pi, Message object) {
1536
1537			}
1538		});
1539	}
1540
1541	private void attachFileToConversation(Conversation conversation, Uri uri) {
1542		if (conversation == null) {
1543			return;
1544		}
1545		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_file), Toast.LENGTH_LONG);
1546		prepareFileToast.show();
1547		xmppConnectionService.attachFileToConversation(conversation, uri, new UiInformableCallback<Message>() {
1548			@Override
1549			public void inform(final String text) {
1550				hidePrepareFileToast(prepareFileToast);
1551				runOnUiThread(new Runnable() {
1552					@Override
1553					public void run() {
1554						replaceToast(text);
1555					}
1556				});
1557			}
1558
1559			@Override
1560			public void success(Message message) {
1561				runOnUiThread(new Runnable() {
1562					@Override
1563					public void run() {
1564						hideToast();
1565					}
1566				});
1567				hidePrepareFileToast(prepareFileToast);
1568				xmppConnectionService.sendMessage(message);
1569			}
1570
1571			@Override
1572			public void error(final int errorCode, Message message) {
1573				hidePrepareFileToast(prepareFileToast);
1574				runOnUiThread(new Runnable() {
1575					@Override
1576					public void run() {
1577						replaceToast(getString(errorCode));
1578					}
1579				});
1580
1581			}
1582
1583			@Override
1584			public void userInputRequried(PendingIntent pi, Message message) {
1585				hidePrepareFileToast(prepareFileToast);
1586			}
1587		});
1588	}
1589
1590	public void attachImageToConversation(Uri uri) {
1591		this.attachImageToConversation(getSelectedConversation(), uri);
1592	}
1593
1594	private void attachImageToConversation(Conversation conversation, Uri uri) {
1595		if (conversation == null) {
1596			return;
1597		}
1598		final Toast prepareFileToast = Toast.makeText(getApplicationContext(),getText(R.string.preparing_image), Toast.LENGTH_LONG);
1599		prepareFileToast.show();
1600		xmppConnectionService.attachImageToConversation(conversation, uri,
1601				new UiCallback<Message>() {
1602
1603					@Override
1604					public void userInputRequried(PendingIntent pi, Message object) {
1605						hidePrepareFileToast(prepareFileToast);
1606					}
1607
1608					@Override
1609					public void success(Message message) {
1610						hidePrepareFileToast(prepareFileToast);
1611						xmppConnectionService.sendMessage(message);
1612					}
1613
1614					@Override
1615					public void error(final int error, Message message) {
1616						hidePrepareFileToast(prepareFileToast);
1617						runOnUiThread(new Runnable() {
1618							@Override
1619							public void run() {
1620								replaceToast(getString(error));
1621							}
1622						});
1623					}
1624				});
1625	}
1626
1627	private void hidePrepareFileToast(final Toast prepareFileToast) {
1628		if (prepareFileToast != null) {
1629			runOnUiThread(new Runnable() {
1630
1631				@Override
1632				public void run() {
1633					prepareFileToast.cancel();
1634				}
1635			});
1636		}
1637	}
1638
1639	public void updateConversationList() {
1640		xmppConnectionService
1641			.populateWithOrderedConversations(conversationList);
1642		if (swipedConversation != null) {
1643			if (swipedConversation.isRead()) {
1644				conversationList.remove(swipedConversation);
1645			} else {
1646				listView.discardUndo();
1647			}
1648		}
1649		listAdapter.notifyDataSetChanged();
1650	}
1651
1652	public void runIntent(PendingIntent pi, int requestCode) {
1653		try {
1654			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
1655					null, 0, 0, 0);
1656		} catch (final SendIntentException ignored) {
1657		}
1658	}
1659
1660	public void encryptTextMessage(Message message) {
1661		xmppConnectionService.getPgpEngine().encrypt(message,
1662				new UiCallback<Message>() {
1663
1664					@Override
1665					public void userInputRequried(PendingIntent pi,Message message) {
1666						ConversationActivity.this.runIntent(pi,ConversationActivity.REQUEST_SEND_MESSAGE);
1667					}
1668
1669					@Override
1670					public void success(Message message) {
1671						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1672						xmppConnectionService.sendMessage(message);
1673						if (mConversationFragment != null) {
1674							mConversationFragment.messageSent();
1675						}
1676					}
1677
1678					@Override
1679					public void error(final int error, Message message) {
1680						runOnUiThread(new Runnable() {
1681							@Override
1682							public void run() {
1683								Toast.makeText(ConversationActivity.this,
1684										R.string.unable_to_connect_to_keychain,
1685										Toast.LENGTH_SHORT
1686								).show();
1687							}
1688						});
1689					}
1690				});
1691	}
1692
1693	public boolean useSendButtonToIndicateStatus() {
1694		return getPreferences().getBoolean("send_button_status", false);
1695	}
1696
1697	public boolean indicateReceived() {
1698		return getPreferences().getBoolean("indicate_received", false);
1699	}
1700
1701	public boolean useGreenBackground() {
1702		return getPreferences().getBoolean("use_green_background",true);
1703	}
1704
1705	protected boolean trustKeysIfNeeded(int requestCode) {
1706		return trustKeysIfNeeded(requestCode, ATTACHMENT_CHOICE_INVALID);
1707	}
1708
1709	protected boolean trustKeysIfNeeded(int requestCode, int attachmentChoice) {
1710		AxolotlService axolotlService = mSelectedConversation.getAccount().getAxolotlService();
1711		final List<Jid> targets = axolotlService.getCryptoTargets(mSelectedConversation);
1712		boolean hasUnaccepted = !mSelectedConversation.getAcceptedCryptoTargets().containsAll(targets);
1713		boolean hasUndecidedOwn = !axolotlService.getKeysWithTrust(FingerprintStatus.createActiveUndecided()).isEmpty();
1714		boolean hasUndecidedContacts = !axolotlService.getKeysWithTrust(FingerprintStatus.createActiveUndecided(), targets).isEmpty();
1715		boolean hasPendingKeys = !axolotlService.findDevicesWithoutSession(mSelectedConversation).isEmpty();
1716		boolean hasNoTrustedKeys = axolotlService.anyTargetHasNoTrustedKeys(targets);
1717		if(hasUndecidedOwn || hasUndecidedContacts || hasPendingKeys || hasNoTrustedKeys || hasUnaccepted) {
1718			axolotlService.createSessionsIfNeeded(mSelectedConversation);
1719			Intent intent = new Intent(getApplicationContext(), TrustKeysActivity.class);
1720			String[] contacts = new String[targets.size()];
1721			for(int i = 0; i < contacts.length; ++i) {
1722				contacts[i] = targets.get(i).toString();
1723			}
1724			intent.putExtra("contacts", contacts);
1725			intent.putExtra(EXTRA_ACCOUNT, mSelectedConversation.getAccount().getJid().toBareJid().toString());
1726			intent.putExtra("choice", attachmentChoice);
1727			intent.putExtra("conversation",mSelectedConversation.getUuid());
1728			startActivityForResult(intent, requestCode);
1729			return true;
1730		} else {
1731			return false;
1732		}
1733	}
1734
1735	@Override
1736	protected void refreshUiReal() {
1737		updateConversationList();
1738		if (conversationList.size() > 0) {
1739			if (!this.mConversationFragment.isAdded()) {
1740				Log.d(Config.LOGTAG,"fragment NOT added to activity. detached="+Boolean.toString(mConversationFragment.isDetached()));
1741			}
1742			ConversationActivity.this.mConversationFragment.updateMessages();
1743			updateActionBarTitle();
1744			invalidateOptionsMenu();
1745		} else {
1746			Log.d(Config.LOGTAG,"not updating conversations fragment because conversations list size was 0");
1747		}
1748	}
1749
1750	@Override
1751	public void onAccountUpdate() {
1752		this.refreshUi();
1753	}
1754
1755	@Override
1756	public void onConversationUpdate() {
1757		this.refreshUi();
1758	}
1759
1760	@Override
1761	public void onRosterUpdate() {
1762		this.refreshUi();
1763	}
1764
1765	@Override
1766	public void OnUpdateBlocklist(Status status) {
1767		this.refreshUi();
1768	}
1769
1770	public void unblockConversation(final Blockable conversation) {
1771		xmppConnectionService.sendUnblockRequest(conversation);
1772	}
1773
1774	public boolean enterIsSend() {
1775		return getPreferences().getBoolean("enter_is_send",false);
1776	}
1777
1778	@Override
1779	public void onShowErrorToast(final int resId) {
1780		runOnUiThread(new Runnable() {
1781			@Override
1782			public void run() {
1783				Toast.makeText(ConversationActivity.this,resId,Toast.LENGTH_SHORT).show();
1784			}
1785		});
1786	}
1787
1788	public boolean highlightSelectedConversations() {
1789		return !isConversationsOverviewHideable() || this.conversationWasSelectedByKeyboard;
1790	}
1791}