1package eu.siacs.conversations.ui;
   2
   3import android.annotation.SuppressLint;
   4import android.app.ActionBar;
   5import android.app.AlertDialog;
   6import android.app.FragmentTransaction;
   7import android.app.PendingIntent;
   8import android.content.ClipData;
   9import android.content.DialogInterface;
  10import android.content.DialogInterface.OnClickListener;
  11import android.content.Intent;
  12import android.content.IntentSender.SendIntentException;
  13import android.net.Uri;
  14import android.os.Build;
  15import android.os.Bundle;
  16import android.provider.MediaStore;
  17import android.support.v4.widget.SlidingPaneLayout;
  18import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
  19import android.view.Menu;
  20import android.view.MenuItem;
  21import android.view.View;
  22import android.widget.AdapterView;
  23import android.widget.AdapterView.OnItemClickListener;
  24import android.widget.ArrayAdapter;
  25import android.widget.CheckBox;
  26import android.widget.PopupMenu;
  27import android.widget.PopupMenu.OnMenuItemClickListener;
  28import android.widget.Toast;
  29
  30import net.java.otr4j.session.SessionStatus;
  31import de.timroes.android.listview.EnhancedListView;
  32
  33import java.util.ArrayList;
  34import java.util.Iterator;
  35import java.util.List;
  36
  37import eu.siacs.conversations.R;
  38import eu.siacs.conversations.entities.Blockable;
  39import eu.siacs.conversations.entities.Contact;
  40import eu.siacs.conversations.entities.Conversation;
  41import eu.siacs.conversations.entities.Message;
  42import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
  43import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
  44import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  45import eu.siacs.conversations.ui.adapter.ConversationAdapter;
  46import eu.siacs.conversations.utils.ExceptionHelper;
  47import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  48
  49public class ConversationActivity extends XmppActivity
  50	implements OnAccountUpdate, OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist {
  51
  52	public static final String ACTION_DOWNLOAD = "eu.siacs.conversations.action.DOWNLOAD";
  53
  54	public static final String VIEW_CONVERSATION = "viewConversation";
  55	public static final String CONVERSATION = "conversationUuid";
  56	public static final String MESSAGE = "messageUuid";
  57	public static final String TEXT = "text";
  58	public static final String NICK = "nick";
  59
  60	public static final int REQUEST_SEND_MESSAGE = 0x0201;
  61	public static final int REQUEST_DECRYPT_PGP = 0x0202;
  62	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
  63	public static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
  64	public static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
  65	public static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
  66	public static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0304;
  67	public static final int ATTACHMENT_CHOICE_LOCATION = 0x0305;
  68	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
  69	private static final String STATE_PANEL_OPEN = "state_panel_open";
  70	private static final String STATE_PENDING_URI = "state_pending_uri";
  71
  72	private String mOpenConverstaion = null;
  73	private boolean mPanelOpen = true;
  74	final private List<Uri> mPendingImageUris = new ArrayList<>();
  75	final private List<Uri> mPendingFileUris = new ArrayList<>();
  76	private Uri mPendingGeoUri = null;
  77
  78	private View mContentView;
  79
  80	private List<Conversation> conversationList = new ArrayList<>();
  81	private Conversation swipedConversation = null;
  82	private Conversation mSelectedConversation = null;
  83	private EnhancedListView listView;
  84	private ConversationFragment mConversationFragment;
  85
  86	private ArrayAdapter<Conversation> listAdapter;
  87
  88	private Toast prepareFileToast;
  89
  90	private boolean mActivityPaused = false;
  91	private boolean mRedirected = true;
  92
  93	public Conversation getSelectedConversation() {
  94		return this.mSelectedConversation;
  95	}
  96
  97	public void setSelectedConversation(Conversation conversation) {
  98		this.mSelectedConversation = conversation;
  99	}
 100
 101	public void showConversationsOverview() {
 102		if (mContentView instanceof SlidingPaneLayout) {
 103			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 104			mSlidingPaneLayout.openPane();
 105		}
 106	}
 107
 108	@Override
 109	protected String getShareableUri() {
 110		Conversation conversation = getSelectedConversation();
 111		if (conversation != null) {
 112			return conversation.getAccount().getShareableUri();
 113		} else {
 114			return "";
 115		}
 116	}
 117
 118	public void hideConversationsOverview() {
 119		if (mContentView instanceof SlidingPaneLayout) {
 120			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 121			mSlidingPaneLayout.closePane();
 122		}
 123	}
 124
 125	public boolean isConversationsOverviewHideable() {
 126		if (mContentView instanceof SlidingPaneLayout) {
 127			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 128			return mSlidingPaneLayout.isSlideable();
 129		} else {
 130			return false;
 131		}
 132	}
 133
 134	public boolean isConversationsOverviewVisable() {
 135		if (mContentView instanceof SlidingPaneLayout) {
 136			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 137			return mSlidingPaneLayout.isOpen();
 138		} else {
 139			return true;
 140		}
 141	}
 142
 143	@Override
 144	protected void onCreate(final Bundle savedInstanceState) {
 145		super.onCreate(savedInstanceState);
 146		if (savedInstanceState != null) {
 147			mOpenConverstaion = savedInstanceState.getString(STATE_OPEN_CONVERSATION, null);
 148			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
 149			String pending = savedInstanceState.getString(STATE_PENDING_URI, null);
 150			if (pending != null) {
 151				mPendingImageUris.clear();
 152				mPendingImageUris.add(Uri.parse(pending));
 153			}
 154		}
 155
 156		setContentView(R.layout.fragment_conversations_overview);
 157
 158		this.mConversationFragment = new ConversationFragment();
 159		FragmentTransaction transaction = getFragmentManager().beginTransaction();
 160		transaction.replace(R.id.selected_conversation, this.mConversationFragment, "conversation");
 161		transaction.commit();
 162
 163		listView = (EnhancedListView) findViewById(R.id.list);
 164		this.listAdapter = new ConversationAdapter(this, conversationList);
 165		listView.setAdapter(this.listAdapter);
 166
 167		if (getActionBar() != null) {
 168			getActionBar().setDisplayHomeAsUpEnabled(false);
 169			getActionBar().setHomeButtonEnabled(false);
 170		}
 171
 172		listView.setOnItemClickListener(new OnItemClickListener() {
 173
 174			@Override
 175			public void onItemClick(AdapterView<?> arg0, View clickedView,
 176					int position, long arg3) {
 177				if (getSelectedConversation() != conversationList.get(position)) {
 178					setSelectedConversation(conversationList.get(position));
 179					ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 180				}
 181				hideConversationsOverview();
 182				openConversation();
 183			}
 184		});
 185
 186		listView.setDismissCallback(new EnhancedListView.OnDismissCallback() {
 187
 188			@Override
 189			public EnhancedListView.Undoable onDismiss(final EnhancedListView enhancedListView, final int position) {
 190
 191				final int index = listView.getFirstVisiblePosition();
 192				View v = listView.getChildAt(0);
 193				final int top = (v == null) ? 0 : (v.getTop() - listView.getPaddingTop());
 194
 195				swipedConversation = listAdapter.getItem(position);
 196				listAdapter.remove(swipedConversation);
 197				swipedConversation.markRead();
 198				xmppConnectionService.getNotificationService().clear(swipedConversation);
 199
 200				final boolean formerlySelected = (getSelectedConversation() == swipedConversation);
 201				if (position == 0 && listAdapter.getCount() == 0) {
 202					endConversation(swipedConversation, false, true);
 203					return null;
 204				} else if (formerlySelected) {
 205					setSelectedConversation(listAdapter.getItem(0));
 206					ConversationActivity.this.mConversationFragment
 207							.reInit(getSelectedConversation());
 208				}
 209
 210				return new EnhancedListView.Undoable() {
 211
 212					@Override
 213					public void undo() {
 214						listAdapter.insert(swipedConversation, position);
 215						if (formerlySelected) {
 216							setSelectedConversation(swipedConversation);
 217							ConversationActivity.this.mConversationFragment
 218									.reInit(getSelectedConversation());
 219						}
 220						swipedConversation = null;
 221						listView.setSelectionFromTop(index + (listView.getChildCount() < position ? 1 : 0), top);
 222					}
 223
 224					@Override
 225					public void discard() {
 226						if (!swipedConversation.isRead()
 227								&& swipedConversation.getMode() == Conversation.MODE_SINGLE) {
 228							swipedConversation = null;
 229							return;
 230						}
 231						endConversation(swipedConversation, false, false);
 232						swipedConversation = null;
 233					}
 234
 235					@Override
 236					public String getTitle() {
 237						if (swipedConversation.getMode() == Conversation.MODE_MULTI) {
 238							return getResources().getString(R.string.title_undo_swipe_out_muc);
 239						} else {
 240							return getResources().getString(R.string.title_undo_swipe_out_conversation);
 241						}
 242					}
 243				};
 244			}
 245		});
 246		listView.enableSwipeToDismiss();
 247		listView.setSwipingLayout(R.id.swipeable_item);
 248		listView.setUndoStyle(EnhancedListView.UndoStyle.SINGLE_POPUP);
 249		listView.setUndoHideDelay(5000);
 250		listView.setRequireTouchBeforeDismiss(false);
 251
 252		mContentView = findViewById(R.id.content_view_spl);
 253		if (mContentView == null) {
 254			mContentView = findViewById(R.id.content_view_ll);
 255		}
 256		if (mContentView instanceof SlidingPaneLayout) {
 257			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
 258			mSlidingPaneLayout.setParallaxDistance(150);
 259			mSlidingPaneLayout
 260				.setShadowResource(R.drawable.es_slidingpane_shadow);
 261			mSlidingPaneLayout.setSliderFadeColor(0);
 262			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
 263
 264				@Override
 265				public void onPanelOpened(View arg0) {
 266					updateActionBarTitle();
 267					invalidateOptionsMenu();
 268					hideKeyboard();
 269					if (xmppConnectionServiceBound) {
 270						xmppConnectionService.getNotificationService()
 271							.setOpenConversation(null);
 272					}
 273					closeContextMenu();
 274				}
 275
 276				@Override
 277				public void onPanelClosed(View arg0) {
 278					listView.discardUndo();
 279					openConversation();
 280				}
 281
 282				@Override
 283				public void onPanelSlide(View arg0, float arg1) {
 284					// TODO Auto-generated method stub
 285
 286				}
 287			});
 288		}
 289	}
 290
 291	@Override
 292	public void switchToConversation(Conversation conversation) {
 293		setSelectedConversation(conversation);
 294		runOnUiThread(new Runnable() {
 295			@Override
 296			public void run() {
 297				ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
 298				openConversation();
 299			}
 300		});
 301	}
 302
 303	private void updateActionBarTitle() {
 304		updateActionBarTitle(isConversationsOverviewHideable() && !isConversationsOverviewVisable());
 305	}
 306
 307	private void updateActionBarTitle(boolean titleShouldBeName) {
 308		final ActionBar ab = getActionBar();
 309		final Conversation conversation = getSelectedConversation();
 310		if (ab != null) {
 311			if (titleShouldBeName && conversation != null) {
 312				ab.setDisplayHomeAsUpEnabled(true);
 313				ab.setHomeButtonEnabled(true);
 314				if (conversation.getMode() == Conversation.MODE_SINGLE || useSubjectToIdentifyConference()) {
 315					ab.setTitle(conversation.getName());
 316				} else {
 317					ab.setTitle(conversation.getJid().toBareJid().toString());
 318				}
 319			} else {
 320				ab.setDisplayHomeAsUpEnabled(false);
 321				ab.setHomeButtonEnabled(false);
 322				ab.setTitle(R.string.app_name);
 323			}
 324		}
 325	}
 326
 327	private void openConversation() {
 328		this.updateActionBarTitle();
 329		this.invalidateOptionsMenu();
 330		if (xmppConnectionServiceBound) {
 331			final Conversation conversation = getSelectedConversation();
 332			xmppConnectionService.getNotificationService().setOpenConversation(conversation);
 333			sendReadMarkerIfNecessary(conversation);
 334		}
 335		listAdapter.notifyDataSetChanged();
 336	}
 337
 338	public void sendReadMarkerIfNecessary(final Conversation conversation) {
 339		if (!mActivityPaused && conversation != null) {
 340			if (!conversation.isRead()) {
 341				xmppConnectionService.sendReadMarker(conversation);
 342			} else {
 343				xmppConnectionService.markRead(conversation);
 344			}
 345		}
 346	}
 347
 348	@Override
 349	public boolean onCreateOptionsMenu(Menu menu) {
 350		getMenuInflater().inflate(R.menu.conversations, menu);
 351		final MenuItem menuSecure = menu.findItem(R.id.action_security);
 352		final MenuItem menuArchive = menu.findItem(R.id.action_archive);
 353		final MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
 354		final MenuItem menuContactDetails = menu.findItem(R.id.action_contact_details);
 355		final MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
 356		final MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
 357		final MenuItem menuAdd = menu.findItem(R.id.action_add);
 358		final MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
 359		final MenuItem menuMute = menu.findItem(R.id.action_mute);
 360		final MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
 361
 362		if (isConversationsOverviewVisable() && isConversationsOverviewHideable()) {
 363			menuArchive.setVisible(false);
 364			menuMucDetails.setVisible(false);
 365			menuContactDetails.setVisible(false);
 366			menuSecure.setVisible(false);
 367			menuInviteContact.setVisible(false);
 368			menuAttach.setVisible(false);
 369			menuClearHistory.setVisible(false);
 370			menuMute.setVisible(false);
 371			menuUnmute.setVisible(false);
 372		} else {
 373			menuAdd.setVisible(!isConversationsOverviewHideable());
 374			if (this.getSelectedConversation() != null) {
 375				if (this.getSelectedConversation().getLatestMessage()
 376						.getEncryption() != Message.ENCRYPTION_NONE) {
 377					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 378						menuSecure.setIcon(R.drawable.ic_lock_white_24dp);
 379					} else {
 380						menuSecure.setIcon(R.drawable.ic_action_secure);
 381					}
 382				}
 383				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
 384					menuContactDetails.setVisible(false);
 385					menuAttach.setVisible(false);
 386					menuInviteContact.setVisible(getSelectedConversation().getMucOptions().canInvite());
 387				} else {
 388					menuMucDetails.setVisible(false);
 389				}
 390				if (this.getSelectedConversation().isMuted()) {
 391					menuMute.setVisible(false);
 392				} else {
 393					menuUnmute.setVisible(false);
 394				}
 395			}
 396		}
 397		return true;
 398	}
 399
 400	private void selectPresenceToAttachFile(final int attachmentChoice, final int encryption) {
 401		final OnPresenceSelected callback = new OnPresenceSelected() {
 402
 403			@Override
 404			public void onPresenceSelected() {
 405				Intent intent = new Intent();
 406				boolean chooser = false;
 407				String fallbackPackageId = null;
 408				switch (attachmentChoice) {
 409					case ATTACHMENT_CHOICE_CHOOSE_IMAGE:
 410						intent.setAction(Intent.ACTION_GET_CONTENT);
 411						if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
 412							intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE,true);
 413						}
 414						intent.setType("image/*");
 415						chooser = true;
 416						break;
 417					case ATTACHMENT_CHOICE_TAKE_PHOTO:
 418						Uri uri = xmppConnectionService.getFileBackend().getTakePhotoUri();
 419						intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
 420						intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
 421						mPendingImageUris.clear();
 422						mPendingImageUris.add(uri);
 423						break;
 424					case ATTACHMENT_CHOICE_CHOOSE_FILE:
 425						chooser = true;
 426						intent.setType("*/*");
 427						intent.addCategory(Intent.CATEGORY_OPENABLE);
 428						intent.setAction(Intent.ACTION_GET_CONTENT);
 429						break;
 430					case ATTACHMENT_CHOICE_RECORD_VOICE:
 431						intent.setAction(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
 432						break;
 433					case ATTACHMENT_CHOICE_LOCATION:
 434						intent.setAction("eu.siacs.conversations.location.request");
 435						fallbackPackageId = "eu.siacs.conversations.sharelocation";
 436						break;
 437				}
 438				if (intent.resolveActivity(getPackageManager()) != null) {
 439					if (chooser) {
 440						startActivityForResult(
 441								Intent.createChooser(intent, getString(R.string.perform_action_with)),
 442								attachmentChoice);
 443					} else {
 444						startActivityForResult(intent, attachmentChoice);
 445					}
 446				} else if (fallbackPackageId != null) {
 447					startActivity(getInstallApkIntent(fallbackPackageId));
 448				}
 449			}
 450		};
 451		if (attachmentChoice == ATTACHMENT_CHOICE_LOCATION && encryption != Message.ENCRYPTION_OTR) {
 452			getSelectedConversation().setNextCounterpart(null);
 453			callback.onPresenceSelected();
 454		} else {
 455			selectPresence(getSelectedConversation(),callback);
 456		}
 457	}
 458
 459	private Intent getInstallApkIntent(final String packageId) {
 460		Intent intent = new Intent(Intent.ACTION_VIEW);
 461		intent.setData(Uri.parse("market://details?id="+packageId));
 462		if (intent.resolveActivity(getPackageManager()) != null) {
 463			return intent;
 464		} else {
 465			intent.setData(Uri.parse("http://play.google.com/store/apps/details?id="+packageId));
 466			return intent;
 467		}
 468	}
 469
 470	public void attachFile(final int attachmentChoice) {
 471		switch (attachmentChoice) {
 472			case ATTACHMENT_CHOICE_LOCATION:
 473				getPreferences().edit().putString("recently_used_quick_action","location").apply();
 474				break;
 475			case ATTACHMENT_CHOICE_RECORD_VOICE:
 476				getPreferences().edit().putString("recently_used_quick_action","voice").apply();
 477				break;
 478			case ATTACHMENT_CHOICE_TAKE_PHOTO:
 479				getPreferences().edit().putString("recently_used_quick_action","photo").apply();
 480				break;
 481		}
 482		final Conversation conversation = getSelectedConversation();
 483		final int encryption = conversation.getNextEncryption(forceEncryption());
 484		if (encryption == Message.ENCRYPTION_PGP) {
 485			if (hasPgp()) {
 486				if (conversation.getContact().getPgpKeyId() != 0) {
 487					xmppConnectionService.getPgpEngine().hasKey(
 488							conversation.getContact(),
 489							new UiCallback<Contact>() {
 490
 491								@Override
 492								public void userInputRequried(PendingIntent pi,
 493										Contact contact) {
 494									ConversationActivity.this.runIntent(pi,attachmentChoice);
 495								}
 496
 497								@Override
 498								public void success(Contact contact) {
 499									selectPresenceToAttachFile(attachmentChoice,encryption);
 500								}
 501
 502								@Override
 503								public void error(int error, Contact contact) {
 504									displayErrorDialog(error);
 505								}
 506							});
 507				} else {
 508					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 509						.findFragmentByTag("conversation");
 510					if (fragment != null) {
 511						fragment.showNoPGPKeyDialog(false,
 512								new OnClickListener() {
 513
 514									@Override
 515									public void onClick(DialogInterface dialog,
 516											int which) {
 517										conversation
 518											.setNextEncryption(Message.ENCRYPTION_NONE);
 519										xmppConnectionService.databaseBackend
 520											.updateConversation(conversation);
 521										selectPresenceToAttachFile(attachmentChoice,Message.ENCRYPTION_NONE);
 522									}
 523								});
 524					}
 525				}
 526			} else {
 527				showInstallPgpDialog();
 528			}
 529		} else {
 530			selectPresenceToAttachFile(attachmentChoice,encryption);
 531		}
 532	}
 533
 534	@Override
 535	public boolean onOptionsItemSelected(final MenuItem item) {
 536		if (item.getItemId() == android.R.id.home) {
 537			showConversationsOverview();
 538			return true;
 539		} else if (item.getItemId() == R.id.action_add) {
 540			startActivity(new Intent(this, StartConversationActivity.class));
 541			return true;
 542		} else if (getSelectedConversation() != null) {
 543			switch (item.getItemId()) {
 544				case R.id.action_attach_file:
 545					attachFileDialog();
 546					break;
 547				case R.id.action_archive:
 548					this.endConversation(getSelectedConversation());
 549					break;
 550				case R.id.action_contact_details:
 551					switchToContactDetails(getSelectedConversation().getContact());
 552					break;
 553				case R.id.action_muc_details:
 554					Intent intent = new Intent(this,
 555							ConferenceDetailsActivity.class);
 556					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
 557					intent.putExtra("uuid", getSelectedConversation().getUuid());
 558					startActivity(intent);
 559					break;
 560				case R.id.action_invite:
 561					inviteToConversation(getSelectedConversation());
 562					break;
 563				case R.id.action_security:
 564					selectEncryptionDialog(getSelectedConversation());
 565					break;
 566				case R.id.action_clear_history:
 567					clearHistoryDialog(getSelectedConversation());
 568					break;
 569				case R.id.action_mute:
 570					muteConversationDialog(getSelectedConversation());
 571					break;
 572				case R.id.action_unmute:
 573					unmuteConversation(getSelectedConversation());
 574					break;
 575				case R.id.action_block:
 576					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 577					break;
 578				case R.id.action_unblock:
 579					BlockContactDialog.show(this, xmppConnectionService, getSelectedConversation());
 580					break;
 581				default:
 582					break;
 583			}
 584			return super.onOptionsItemSelected(item);
 585		} else {
 586			return super.onOptionsItemSelected(item);
 587		}
 588	}
 589
 590	public void endConversation(Conversation conversation) {
 591		endConversation(conversation, true, true);
 592	}
 593
 594	public void endConversation(Conversation conversation, boolean showOverview, boolean reinit) {
 595		if (showOverview) {
 596			showConversationsOverview();
 597		}
 598		xmppConnectionService.archiveConversation(conversation);
 599		if (reinit) {
 600			if (conversationList.size() > 0) {
 601				setSelectedConversation(conversationList.get(0));
 602				this.mConversationFragment.reInit(getSelectedConversation());
 603			} else {
 604				setSelectedConversation(null);
 605			}
 606		}
 607	}
 608
 609	@SuppressLint("InflateParams")
 610	protected void clearHistoryDialog(final Conversation conversation) {
 611		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 612		builder.setTitle(getString(R.string.clear_conversation_history));
 613		View dialogView = getLayoutInflater().inflate(
 614				R.layout.dialog_clear_history, null);
 615		final CheckBox endConversationCheckBox = (CheckBox) dialogView
 616			.findViewById(R.id.end_conversation_checkbox);
 617		builder.setView(dialogView);
 618		builder.setNegativeButton(getString(R.string.cancel), null);
 619		builder.setPositiveButton(getString(R.string.delete_messages),
 620				new OnClickListener() {
 621
 622					@Override
 623					public void onClick(DialogInterface dialog, int which) {
 624						ConversationActivity.this.xmppConnectionService.clearConversationHistory(conversation);
 625						if (endConversationCheckBox.isChecked()) {
 626							endConversation(conversation);
 627						} else {
 628							updateConversationList();
 629							ConversationActivity.this.mConversationFragment.updateMessages();
 630						}
 631					}
 632				});
 633		builder.create().show();
 634	}
 635
 636	protected void attachFileDialog() {
 637		View menuAttachFile = findViewById(R.id.action_attach_file);
 638		if (menuAttachFile == null) {
 639			return;
 640		}
 641		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
 642		attachFilePopup.inflate(R.menu.attachment_choices);
 643		if (new Intent(MediaStore.Audio.Media.RECORD_SOUND_ACTION).resolveActivity(getPackageManager()) == null) {
 644			attachFilePopup.getMenu().findItem(R.id.attach_record_voice).setVisible(false);
 645		}
 646		if (new Intent("eu.siacs.conversations.location.request").resolveActivity(getPackageManager()) == null) {
 647			attachFilePopup.getMenu().findItem(R.id.attach_location).setVisible(false);
 648		}
 649		attachFilePopup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 650
 651			@Override
 652			public boolean onMenuItemClick(MenuItem item) {
 653				switch (item.getItemId()) {
 654					case R.id.attach_choose_picture:
 655						attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
 656						break;
 657					case R.id.attach_take_picture:
 658						attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
 659						break;
 660					case R.id.attach_choose_file:
 661						attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
 662						break;
 663					case R.id.attach_record_voice:
 664						attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
 665						break;
 666					case R.id.attach_location:
 667						attachFile(ATTACHMENT_CHOICE_LOCATION);
 668						break;
 669				}
 670				return false;
 671			}
 672		});
 673		attachFilePopup.show();
 674	}
 675
 676	public void verifyOtrSessionDialog(final Conversation conversation, View view) {
 677		if (!conversation.hasValidOtrSession() || conversation.getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
 678			Toast.makeText(this, R.string.otr_session_not_started, Toast.LENGTH_LONG).show();
 679			return;
 680		}
 681		if (view == null) {
 682			return;
 683		}
 684		PopupMenu popup = new PopupMenu(this, view);
 685		popup.inflate(R.menu.verification_choices);
 686		popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 687			@Override
 688			public boolean onMenuItemClick(MenuItem menuItem) {
 689				Intent intent = new Intent(ConversationActivity.this, VerifyOTRActivity.class);
 690				intent.setAction(VerifyOTRActivity.ACTION_VERIFY_CONTACT);
 691				intent.putExtra("contact", conversation.getContact().getJid().toBareJid().toString());
 692				intent.putExtra("account", conversation.getAccount().getJid().toBareJid().toString());
 693				switch (menuItem.getItemId()) {
 694					case R.id.scan_fingerprint:
 695						intent.putExtra("mode",VerifyOTRActivity.MODE_SCAN_FINGERPRINT);
 696						break;
 697					case R.id.ask_question:
 698						intent.putExtra("mode",VerifyOTRActivity.MODE_ASK_QUESTION);
 699						break;
 700					case R.id.manual_verification:
 701						intent.putExtra("mode",VerifyOTRActivity.MODE_MANUAL_VERIFICATION);
 702						break;
 703				}
 704				startActivity(intent);
 705				return true;
 706			}
 707		});
 708		popup.show();
 709	}
 710
 711	protected void selectEncryptionDialog(final Conversation conversation) {
 712		View menuItemView = findViewById(R.id.action_security);
 713		if (menuItemView == null) {
 714			return;
 715		}
 716		PopupMenu popup = new PopupMenu(this, menuItemView);
 717		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
 718			.findFragmentByTag("conversation");
 719		if (fragment != null) {
 720			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 721
 722				@Override
 723				public boolean onMenuItemClick(MenuItem item) {
 724					switch (item.getItemId()) {
 725						case R.id.encryption_choice_none:
 726							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 727							item.setChecked(true);
 728							break;
 729						case R.id.encryption_choice_otr:
 730							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
 731							item.setChecked(true);
 732							break;
 733						case R.id.encryption_choice_pgp:
 734							if (hasPgp()) {
 735								if (conversation.getAccount().getKeys()
 736										.has("pgp_signature")) {
 737									conversation
 738										.setNextEncryption(Message.ENCRYPTION_PGP);
 739									item.setChecked(true);
 740								} else {
 741									announcePgp(conversation.getAccount(),
 742											conversation);
 743								}
 744							} else {
 745								showInstallPgpDialog();
 746							}
 747							break;
 748						default:
 749							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
 750							break;
 751					}
 752					xmppConnectionService.databaseBackend
 753						.updateConversation(conversation);
 754					fragment.updateChatMsgHint();
 755					return true;
 756				}
 757			});
 758			popup.inflate(R.menu.encryption_choices);
 759			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
 760			MenuItem none = popup.getMenu().findItem(
 761					R.id.encryption_choice_none);
 762			if (conversation.getMode() == Conversation.MODE_MULTI) {
 763				otr.setEnabled(false);
 764			} else {
 765				if (forceEncryption()) {
 766					none.setVisible(false);
 767				}
 768			}
 769			switch (conversation.getNextEncryption(forceEncryption())) {
 770				case Message.ENCRYPTION_NONE:
 771					none.setChecked(true);
 772					break;
 773				case Message.ENCRYPTION_OTR:
 774					otr.setChecked(true);
 775					break;
 776				case Message.ENCRYPTION_PGP:
 777					popup.getMenu().findItem(R.id.encryption_choice_pgp)
 778						.setChecked(true);
 779					break;
 780				default:
 781					popup.getMenu().findItem(R.id.encryption_choice_none)
 782						.setChecked(true);
 783					break;
 784			}
 785			popup.show();
 786		}
 787	}
 788
 789	protected void muteConversationDialog(final Conversation conversation) {
 790		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 791		builder.setTitle(R.string.disable_notifications);
 792		final int[] durations = getResources().getIntArray(
 793				R.array.mute_options_durations);
 794		builder.setItems(R.array.mute_options_descriptions,
 795				new OnClickListener() {
 796
 797					@Override
 798					public void onClick(final DialogInterface dialog, final int which) {
 799						final long till;
 800						if (durations[which] == -1) {
 801							till = Long.MAX_VALUE;
 802						} else {
 803							till = System.currentTimeMillis() + (durations[which] * 1000);
 804						}
 805						conversation.setMutedTill(till);
 806						ConversationActivity.this.xmppConnectionService.databaseBackend
 807							.updateConversation(conversation);
 808						updateConversationList();
 809						ConversationActivity.this.mConversationFragment.updateMessages();
 810						invalidateOptionsMenu();
 811					}
 812				});
 813		builder.create().show();
 814	}
 815
 816	public void unmuteConversation(final Conversation conversation) {
 817		conversation.setMutedTill(0);
 818		this.xmppConnectionService.databaseBackend.updateConversation(conversation);
 819		updateConversationList();
 820		ConversationActivity.this.mConversationFragment.updateMessages();
 821		invalidateOptionsMenu();
 822	}
 823
 824	@Override
 825	public void onBackPressed() {
 826		if (!isConversationsOverviewVisable()) {
 827			showConversationsOverview();
 828		} else {
 829			moveTaskToBack(true);
 830		}
 831	}
 832
 833	@Override
 834	protected void onNewIntent(final Intent intent) {
 835		if (xmppConnectionServiceBound) {
 836			if (intent != null && VIEW_CONVERSATION.equals(intent.getType())) {
 837				handleViewConversationIntent(intent);
 838			}
 839		} else {
 840			setIntent(intent);
 841		}
 842	}
 843
 844	@Override
 845	public void onStart() {
 846		super.onStart();
 847		this.mRedirected = false;
 848		if (this.xmppConnectionServiceBound) {
 849			this.onBackendConnected();
 850		}
 851		if (conversationList.size() >= 1) {
 852			this.onConversationUpdate();
 853		}
 854	}
 855
 856	@Override
 857	public void onPause() {
 858		listView.discardUndo();
 859		super.onPause();
 860		this.mActivityPaused = true;
 861		if (this.xmppConnectionServiceBound) {
 862			this.xmppConnectionService.getNotificationService().setIsInForeground(false);
 863		}
 864	}
 865
 866	@Override
 867	public void onResume() {
 868		super.onResume();
 869		final int theme = findTheme();
 870		final boolean usingEnterKey = usingEnterKey();
 871		if (this.mTheme != theme || usingEnterKey != mUsingEnterKey) {
 872			recreate();
 873		}
 874		this.mActivityPaused = false;
 875		if (this.xmppConnectionServiceBound) {
 876			this.xmppConnectionService.getNotificationService().setIsInForeground(true);
 877		}
 878
 879		if (!isConversationsOverviewVisable() || !isConversationsOverviewHideable()) {
 880			sendReadMarkerIfNecessary(getSelectedConversation());
 881		}
 882
 883	}
 884
 885	@Override
 886	public void onSaveInstanceState(final Bundle savedInstanceState) {
 887		Conversation conversation = getSelectedConversation();
 888		if (conversation != null) {
 889			savedInstanceState.putString(STATE_OPEN_CONVERSATION,
 890					conversation.getUuid());
 891		}
 892		savedInstanceState.putBoolean(STATE_PANEL_OPEN,
 893				isConversationsOverviewVisable());
 894		if (this.mPendingImageUris.size() >= 1) {
 895			savedInstanceState.putString(STATE_PENDING_URI, this.mPendingImageUris.get(0).toString());
 896		}
 897		super.onSaveInstanceState(savedInstanceState);
 898	}
 899
 900	@Override
 901	void onBackendConnected() {
 902		this.xmppConnectionService.getNotificationService().setIsInForeground(true);
 903		updateConversationList();
 904		if (xmppConnectionService.getAccounts().size() == 0) {
 905			if (!mRedirected) {
 906				this.mRedirected = true;
 907				startActivity(new Intent(this, EditAccountActivity.class));
 908				finish();
 909			}
 910		} else if (conversationList.size() <= 0) {
 911			if (!mRedirected) {
 912				this.mRedirected = true;
 913				Intent intent = new Intent(this, StartConversationActivity.class);
 914				intent.putExtra("init",true);
 915				startActivity(intent);
 916				finish();
 917			}
 918		} else if (getIntent() != null && VIEW_CONVERSATION.equals(getIntent().getType())) {
 919			handleViewConversationIntent(getIntent());
 920		} else if (selectConversationByUuid(mOpenConverstaion)) {
 921			if (mPanelOpen) {
 922				showConversationsOverview();
 923			} else {
 924				if (isConversationsOverviewHideable()) {
 925					openConversation();
 926				}
 927			}
 928			this.mConversationFragment.reInit(getSelectedConversation());
 929			mOpenConverstaion = null;
 930		} else if (getSelectedConversation() != null) {
 931			this.mConversationFragment.reInit(getSelectedConversation());
 932		} else {
 933			showConversationsOverview();
 934			mPendingImageUris.clear();
 935			mPendingFileUris.clear();
 936			mPendingGeoUri = null;
 937			setSelectedConversation(conversationList.get(0));
 938			this.mConversationFragment.reInit(getSelectedConversation());
 939		}
 940
 941		for(Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
 942			attachImageToConversation(getSelectedConversation(),i.next());
 943		}
 944
 945		for(Iterator<Uri> i = mPendingFileUris.iterator(); i.hasNext(); i.remove()) {
 946			attachFileToConversation(getSelectedConversation(),i.next());
 947		}
 948
 949		if (mPendingGeoUri != null) {
 950			attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
 951			mPendingGeoUri = null;
 952		}
 953		ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
 954		setIntent(new Intent());
 955	}
 956
 957	private void handleViewConversationIntent(final Intent intent) {
 958		final String uuid = intent.getStringExtra(CONVERSATION);
 959		final String downloadUuid = intent.getStringExtra(MESSAGE);
 960		final String text = intent.getStringExtra(TEXT);
 961		final String nick = intent.getStringExtra(NICK);
 962		if (selectConversationByUuid(uuid)) {
 963			this.mConversationFragment.reInit(getSelectedConversation());
 964			if (nick != null) {
 965				this.mConversationFragment.highlightInConference(nick);
 966			} else {
 967				this.mConversationFragment.appendText(text);
 968			}
 969			hideConversationsOverview();
 970			openConversation();
 971			if (mContentView instanceof SlidingPaneLayout) {
 972				updateActionBarTitle(true); //fixes bug where slp isn't properly closed yet
 973			}
 974			if (downloadUuid != null) {
 975				final Message message = mSelectedConversation.findMessageWithFileAndUuid(downloadUuid);
 976				if (message != null) {
 977					mConversationFragment.messageListAdapter.startDownloadable(message);
 978				}
 979			}
 980		}
 981	}
 982
 983	private boolean selectConversationByUuid(String uuid) {
 984		if (uuid == null) {
 985			return false;
 986		}
 987		for (Conversation aConversationList : conversationList) {
 988			if (aConversationList.getUuid().equals(uuid)) {
 989				setSelectedConversation(aConversationList);
 990				return true;
 991			}
 992		}
 993		return false;
 994	}
 995
 996	@Override
 997	protected void unregisterListeners() {
 998		super.unregisterListeners();
 999		xmppConnectionService.getNotificationService().setOpenConversation(null);
1000	}
1001
1002	@SuppressLint("NewApi")
1003	private static List<Uri> extractUriFromIntent(final Intent intent) {
1004		List<Uri> uris = new ArrayList<>();
1005		Uri uri = intent.getData();
1006		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2 && uri == null) {
1007			ClipData clipData = intent.getClipData();
1008			for(int i = 0; i < clipData.getItemCount(); ++i) {
1009				uris.add(clipData.getItemAt(i).getUri());
1010			}
1011		} else {
1012			uris.add(uri);
1013		}
1014		return uris;
1015	}
1016
1017	@Override
1018	protected void onActivityResult(int requestCode, int resultCode,
1019			final Intent data) {
1020		super.onActivityResult(requestCode, resultCode, data);
1021		if (resultCode == RESULT_OK) {
1022			if (requestCode == REQUEST_DECRYPT_PGP) {
1023				mConversationFragment.hideSnackbar();
1024				mConversationFragment.updateMessages();
1025			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
1026				mPendingImageUris.clear();
1027				mPendingImageUris.addAll(extractUriFromIntent(data));
1028				if (xmppConnectionServiceBound) {
1029					for(Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1030						attachImageToConversation(getSelectedConversation(),i.next());
1031					}
1032				}
1033			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_FILE || requestCode == ATTACHMENT_CHOICE_RECORD_VOICE) {
1034				mPendingFileUris.clear();
1035				mPendingFileUris.addAll(extractUriFromIntent(data));
1036				if (xmppConnectionServiceBound) {
1037					for(Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
1038						attachFileToConversation(getSelectedConversation(), i.next());
1039					}
1040				}
1041			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
1042				if (mPendingImageUris.size() == 1) {
1043					Uri uri = mPendingImageUris.get(0);
1044					if (xmppConnectionServiceBound) {
1045						attachImageToConversation(getSelectedConversation(), uri);
1046						mPendingImageUris.clear();
1047					}
1048					Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1049					intent.setData(uri);
1050					sendBroadcast(intent);
1051				} else {
1052					mPendingImageUris.clear();
1053				}
1054			} else if (requestCode == ATTACHMENT_CHOICE_LOCATION) {
1055				double latitude = data.getDoubleExtra("latitude",0);
1056				double longitude = data.getDoubleExtra("longitude",0);
1057				this.mPendingGeoUri = Uri.parse("geo:"+String.valueOf(latitude)+","+String.valueOf(longitude));
1058				if (xmppConnectionServiceBound) {
1059					attachLocationToConversation(getSelectedConversation(), mPendingGeoUri);
1060					this.mPendingGeoUri = null;
1061				}
1062			}
1063		} else {
1064			mPendingImageUris.clear();
1065			mPendingFileUris.clear();
1066		}
1067	}
1068
1069	private void attachLocationToConversation(Conversation conversation, Uri uri) {
1070		xmppConnectionService.attachLocationToConversation(conversation,uri, new UiCallback<Message>() {
1071
1072			@Override
1073			public void success(Message message) {
1074				xmppConnectionService.sendMessage(message);
1075			}
1076
1077			@Override
1078			public void error(int errorCode, Message object) {
1079
1080			}
1081
1082			@Override
1083			public void userInputRequried(PendingIntent pi, Message object) {
1084
1085			}
1086		});
1087	}
1088
1089	private void attachFileToConversation(Conversation conversation, Uri uri) {
1090		prepareFileToast = Toast.makeText(getApplicationContext(),
1091				getText(R.string.preparing_file), Toast.LENGTH_LONG);
1092		prepareFileToast.show();
1093		xmppConnectionService.attachFileToConversation(conversation,uri, new UiCallback<Message>() {
1094			@Override
1095			public void success(Message message) {
1096				hidePrepareFileToast();
1097				xmppConnectionService.sendMessage(message);
1098			}
1099
1100			@Override
1101			public void error(int errorCode, Message message) {
1102				displayErrorDialog(errorCode);
1103			}
1104
1105			@Override
1106			public void userInputRequried(PendingIntent pi, Message message) {
1107
1108			}
1109		});
1110	}
1111
1112	private void attachImageToConversation(Conversation conversation, Uri uri) {
1113		prepareFileToast = Toast.makeText(getApplicationContext(),
1114				getText(R.string.preparing_image), Toast.LENGTH_LONG);
1115		prepareFileToast.show();
1116		xmppConnectionService.attachImageToConversation(conversation, uri,
1117				new UiCallback<Message>() {
1118
1119					@Override
1120					public void userInputRequried(PendingIntent pi,
1121							Message object) {
1122						hidePrepareFileToast();
1123					}
1124
1125					@Override
1126					public void success(Message message) {
1127						xmppConnectionService.sendMessage(message);
1128					}
1129
1130					@Override
1131					public void error(int error, Message message) {
1132						hidePrepareFileToast();
1133						displayErrorDialog(error);
1134					}
1135				});
1136	}
1137
1138	private void hidePrepareFileToast() {
1139		if (prepareFileToast != null) {
1140			runOnUiThread(new Runnable() {
1141
1142				@Override
1143				public void run() {
1144					prepareFileToast.cancel();
1145				}
1146			});
1147		}
1148	}
1149
1150	public void updateConversationList() {
1151		xmppConnectionService
1152			.populateWithOrderedConversations(conversationList);
1153		if (swipedConversation != null) {
1154			if (swipedConversation.isRead()) {
1155				conversationList.remove(swipedConversation);
1156			} else {
1157				listView.discardUndo();
1158			}
1159		}
1160		listAdapter.notifyDataSetChanged();
1161	}
1162
1163	public void runIntent(PendingIntent pi, int requestCode) {
1164		try {
1165			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
1166					null, 0, 0, 0);
1167		} catch (final SendIntentException ignored) {
1168		}
1169	}
1170
1171	public void encryptTextMessage(Message message) {
1172		xmppConnectionService.getPgpEngine().encrypt(message,
1173				new UiCallback<Message>() {
1174
1175					@Override
1176					public void userInputRequried(PendingIntent pi,
1177							Message message) {
1178						ConversationActivity.this.runIntent(pi,
1179								ConversationActivity.REQUEST_SEND_MESSAGE);
1180					}
1181
1182					@Override
1183					public void success(Message message) {
1184						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1185						xmppConnectionService.sendMessage(message);
1186					}
1187
1188					@Override
1189					public void error(int error, Message message) {
1190
1191					}
1192				});
1193	}
1194
1195	public boolean forceEncryption() {
1196		return getPreferences().getBoolean("force_encryption", false);
1197	}
1198
1199	public boolean useSendButtonToIndicateStatus() {
1200		return getPreferences().getBoolean("send_button_status", false);
1201	}
1202
1203	public boolean indicateReceived() {
1204		return getPreferences().getBoolean("indicate_received", false);
1205	}
1206
1207	@Override
1208	protected void refreshUiReal() {
1209		updateConversationList();
1210		if (xmppConnectionService != null && xmppConnectionService.getAccounts().size() == 0) {
1211			if (!mRedirected) {
1212				this.mRedirected = true;
1213				startActivity(new Intent(this, EditAccountActivity.class));
1214				finish();
1215			}
1216		} else if (conversationList.size() == 0) {
1217			if (!mRedirected) {
1218				this.mRedirected = true;
1219				Intent intent = new Intent(this, StartConversationActivity.class);
1220				intent.putExtra("init",true);
1221				startActivity(intent);
1222				finish();
1223			}
1224		} else {
1225			ConversationActivity.this.mConversationFragment.updateMessages();
1226			updateActionBarTitle();
1227		}
1228	}
1229
1230	@Override
1231	public void onAccountUpdate() {
1232		this.refreshUi();
1233	}
1234
1235	@Override
1236	public void onConversationUpdate() {
1237		this.refreshUi();
1238	}
1239
1240	@Override
1241	public void onRosterUpdate() {
1242		this.refreshUi();
1243	}
1244
1245	@Override
1246	public void OnUpdateBlocklist(Status status) {
1247		this.refreshUi();
1248		runOnUiThread(new Runnable() {
1249			@Override
1250			public void run() {
1251				invalidateOptionsMenu();
1252			}
1253		});
1254	}
1255
1256	public void unblockConversation(final Blockable conversation) {
1257		xmppConnectionService.sendUnblockRequest(conversation);
1258	}
1259
1260	public boolean enterIsSend() {
1261		return getPreferences().getBoolean("enter_is_send",false);
1262	}
1263}