ConversationActivity.java

  1package eu.siacs.conversations.ui;
  2
  3import java.util.ArrayList;
  4import java.util.List;
  5
  6import eu.siacs.conversations.R;
  7import eu.siacs.conversations.entities.Contact;
  8import eu.siacs.conversations.entities.Conversation;
  9import eu.siacs.conversations.entities.Message;
 10import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
 11import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 12import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
 13import eu.siacs.conversations.ui.adapter.ConversationAdapter;
 14import eu.siacs.conversations.utils.ExceptionHelper;
 15import android.net.Uri;
 16import android.os.Bundle;
 17import android.os.SystemClock;
 18import android.provider.MediaStore;
 19import android.annotation.SuppressLint;
 20import android.app.ActionBar;
 21import android.app.AlertDialog;
 22import android.app.FragmentTransaction;
 23import android.app.PendingIntent;
 24import android.content.DialogInterface;
 25import android.content.DialogInterface.OnClickListener;
 26import android.content.IntentSender.SendIntentException;
 27import android.content.Intent;
 28import android.support.v4.widget.SlidingPaneLayout;
 29import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 30import android.view.KeyEvent;
 31import android.view.Menu;
 32import android.view.MenuItem;
 33import android.view.View;
 34import android.widget.AdapterView;
 35import android.widget.AdapterView.OnItemClickListener;
 36import android.widget.ArrayAdapter;
 37import android.widget.CheckBox;
 38import android.widget.ListView;
 39import android.widget.PopupMenu;
 40import android.widget.PopupMenu.OnMenuItemClickListener;
 41import android.widget.Toast;
 42
 43public class ConversationActivity extends XmppActivity implements
 44		OnAccountUpdate, OnConversationUpdate, OnRosterUpdate {
 45
 46	public static final String VIEW_CONVERSATION = "viewConversation";
 47	public static final String CONVERSATION = "conversationUuid";
 48	public static final String TEXT = "text";
 49	public static final String PRESENCE = "eu.siacs.conversations.presence";
 50
 51	public static final int REQUEST_SEND_MESSAGE = 0x0201;
 52	public static final int REQUEST_DECRYPT_PGP = 0x0202;
 53	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x0203;
 54	private static final int REQUEST_IMAGE_CAPTURE = 0x0204;
 55	private static final int REQUEST_RECORD_AUDIO = 0x0205;
 56	private static final int REQUEST_SEND_PGP_IMAGE = 0x0206;
 57	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 58
 59	private static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 60	private static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 61	private static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0303;
 62	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
 63	private static final String STATE_PANEL_OPEN = "state_panel_open";
 64
 65	private String mOpenConverstaion = null;
 66	private boolean mPanelOpen = true;
 67
 68	private View mContentView;
 69
 70	private List<Conversation> conversationList = new ArrayList<Conversation>();
 71	private Conversation selectedConversation = null;
 72	private ListView listView;
 73
 74	private boolean paneShouldBeOpen = true;
 75	private ArrayAdapter<Conversation> listAdapter;
 76
 77	private Toast prepareImageToast;
 78
 79	private Uri pendingImageUri = null;
 80
 81	public List<Conversation> getConversationList() {
 82		return this.conversationList;
 83	}
 84
 85	public Conversation getSelectedConversation() {
 86		return this.selectedConversation;
 87	}
 88
 89	public void setSelectedConversation(Conversation conversation) {
 90		this.selectedConversation = conversation;
 91	}
 92
 93	public ListView getConversationListView() {
 94		return this.listView;
 95	}
 96
 97	public boolean shouldPaneBeOpen() {
 98		return paneShouldBeOpen;
 99	}
100
101	public void showConversationsOverview() {
102		if (mContentView instanceof SlidingPaneLayout) {
103			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
104			mSlidingPaneLayout.openPane();
105		}
106	}
107
108	public void hideConversationsOverview() {
109		if (mContentView instanceof SlidingPaneLayout) {
110			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
111			mSlidingPaneLayout.closePane();
112		}
113	}
114
115	public boolean isConversationsOverviewHideable() {
116		if (mContentView instanceof SlidingPaneLayout) {
117			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
118			return mSlidingPaneLayout.isSlideable();
119		} else {
120			return false;
121		}
122	}
123
124	public boolean isConversationsOverviewVisable() {
125		if (mContentView instanceof SlidingPaneLayout) {
126			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
127			return mSlidingPaneLayout.isOpen();
128		} else {
129			return true;
130		}
131	}
132
133	@Override
134	protected void onCreate(Bundle savedInstanceState) {
135		super.onCreate(savedInstanceState);
136
137		if (savedInstanceState != null) {
138			mOpenConverstaion = savedInstanceState.getString(
139					STATE_OPEN_CONVERSATION, null);
140			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
141		}
142
143		setContentView(R.layout.fragment_conversations_overview);
144
145		listView = (ListView) findViewById(R.id.list);
146
147		getActionBar().setDisplayHomeAsUpEnabled(false);
148		getActionBar().setHomeButtonEnabled(false);
149
150		this.listAdapter = new ConversationAdapter(this, conversationList);
151		listView.setAdapter(this.listAdapter);
152
153		listView.setOnItemClickListener(new OnItemClickListener() {
154
155			@Override
156			public void onItemClick(AdapterView<?> arg0, View clickedView,
157					int position, long arg3) {
158				paneShouldBeOpen = false;
159				if (getSelectedConversation() != conversationList.get(position)) {
160					setSelectedConversation(conversationList.get(position));
161					swapConversationFragment();
162				} else {
163					hideConversationsOverview();
164				}
165			}
166		});
167		mContentView = findViewById(R.id.content_view_spl);
168		if (mContentView == null) {
169			mContentView = findViewById(R.id.content_view_ll);
170		}
171		if (mContentView instanceof SlidingPaneLayout) {
172			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
173			mSlidingPaneLayout.setParallaxDistance(150);
174			mSlidingPaneLayout
175					.setShadowResource(R.drawable.es_slidingpane_shadow);
176			mSlidingPaneLayout.setSliderFadeColor(0);
177			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
178
179				@Override
180				public void onPanelOpened(View arg0) {
181					paneShouldBeOpen = true;
182					ActionBar ab = getActionBar();
183					if (ab != null) {
184						ab.setDisplayHomeAsUpEnabled(false);
185						ab.setHomeButtonEnabled(false);
186						ab.setTitle(R.string.app_name);
187					}
188					invalidateOptionsMenu();
189					hideKeyboard();
190					if (xmppConnectionServiceBound) {
191						xmppConnectionService.getNotificationService()
192								.setOpenConversation(null);
193					}
194					closeContextMenu();
195				}
196
197				@Override
198				public void onPanelClosed(View arg0) {
199					paneShouldBeOpen = false;
200					if ((conversationList.size() > 0)
201							&& (getSelectedConversation() != null)) {
202						openConversation(getSelectedConversation());
203						if (!getSelectedConversation().isRead()) {
204							xmppConnectionService.markRead(
205									getSelectedConversation(), true);
206							listView.invalidateViews();
207						}
208					}
209				}
210
211				@Override
212				public void onPanelSlide(View arg0, float arg1) {
213					// TODO Auto-generated method stub
214
215				}
216			});
217		}
218	}
219
220	public void openConversation(Conversation conversation) {
221		ActionBar ab = getActionBar();
222		if (ab != null) {
223			ab.setDisplayHomeAsUpEnabled(true);
224			ab.setHomeButtonEnabled(true);
225			if (getSelectedConversation().getMode() == Conversation.MODE_SINGLE
226					|| ConversationActivity.this
227							.useSubjectToIdentifyConference()) {
228				ab.setTitle(getSelectedConversation().getName());
229			} else {
230				ab.setTitle(getSelectedConversation().getContactJid()
231						.split("/")[0]);
232			}
233		}
234		invalidateOptionsMenu();
235		if (xmppConnectionServiceBound) {
236			xmppConnectionService.getNotificationService().setOpenConversation(
237					conversation);
238		}
239	}
240
241	@Override
242	public boolean onCreateOptionsMenu(Menu menu) {
243		getMenuInflater().inflate(R.menu.conversations, menu);
244		MenuItem menuSecure = menu.findItem(R.id.action_security);
245		MenuItem menuArchive = menu.findItem(R.id.action_archive);
246		MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
247		MenuItem menuContactDetails = menu
248				.findItem(R.id.action_contact_details);
249		MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
250		MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
251		MenuItem menuAdd = menu.findItem(R.id.action_add);
252		MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
253		MenuItem menuMute = menu.findItem(R.id.action_mute);
254
255		if (isConversationsOverviewVisable()
256				&& isConversationsOverviewHideable()) {
257			menuArchive.setVisible(false);
258			menuMucDetails.setVisible(false);
259			menuContactDetails.setVisible(false);
260			menuSecure.setVisible(false);
261			menuInviteContact.setVisible(false);
262			menuAttach.setVisible(false);
263			menuClearHistory.setVisible(false);
264			menuMute.setVisible(false);
265		} else {
266			menuAdd.setVisible(!isConversationsOverviewHideable());
267			if (this.getSelectedConversation() != null) {
268				if (this.getSelectedConversation().getLatestMessage()
269						.getEncryption() != Message.ENCRYPTION_NONE) {
270					menuSecure.setIcon(R.drawable.ic_action_secure);
271				}
272				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
273					menuContactDetails.setVisible(false);
274					menuAttach.setVisible(false);
275				} else {
276					menuMucDetails.setVisible(false);
277					menuInviteContact.setVisible(false);
278				}
279			}
280		}
281		return true;
282	}
283
284	private void selectPresenceToAttachFile(final int attachmentChoice) {
285		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
286
287			@Override
288			public void onPresenceSelected() {
289				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
290					pendingImageUri = xmppConnectionService.getFileBackend()
291							.getTakePhotoUri();
292					Intent takePictureIntent = new Intent(
293							MediaStore.ACTION_IMAGE_CAPTURE);
294					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
295							pendingImageUri);
296					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
297						startActivityForResult(takePictureIntent,
298								REQUEST_IMAGE_CAPTURE);
299					}
300				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
301					Intent attachFileIntent = new Intent();
302					attachFileIntent.setType("image/*");
303					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
304					Intent chooser = Intent.createChooser(attachFileIntent,
305							getString(R.string.attach_file));
306					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
307				} else if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
308					Intent intent = new Intent(
309							MediaStore.Audio.Media.RECORD_SOUND_ACTION);
310					startActivityForResult(intent, REQUEST_RECORD_AUDIO);
311				}
312			}
313		});
314	}
315
316	private void attachFile(final int attachmentChoice) {
317		final Conversation conversation = getSelectedConversation();
318		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
319			if (hasPgp()) {
320				if (conversation.getContact().getPgpKeyId() != 0) {
321					xmppConnectionService.getPgpEngine().hasKey(
322							conversation.getContact(),
323							new UiCallback<Contact>() {
324
325								@Override
326								public void userInputRequried(PendingIntent pi,
327										Contact contact) {
328									ConversationActivity.this.runIntent(pi,
329											attachmentChoice);
330								}
331
332								@Override
333								public void success(Contact contact) {
334									selectPresenceToAttachFile(attachmentChoice);
335								}
336
337								@Override
338								public void error(int error, Contact contact) {
339									displayErrorDialog(error);
340								}
341							});
342				} else {
343					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
344							.findFragmentByTag("conversation");
345					if (fragment != null) {
346						fragment.showNoPGPKeyDialog(false,
347								new OnClickListener() {
348
349									@Override
350									public void onClick(DialogInterface dialog,
351											int which) {
352										conversation
353												.setNextEncryption(Message.ENCRYPTION_NONE);
354										xmppConnectionService.databaseBackend
355												.updateConversation(conversation);
356										selectPresenceToAttachFile(attachmentChoice);
357									}
358								});
359					}
360				}
361			} else {
362				showInstallPgpDialog();
363			}
364		} else if (getSelectedConversation().getNextEncryption(
365				forceEncryption()) == Message.ENCRYPTION_NONE) {
366			selectPresenceToAttachFile(attachmentChoice);
367		} else {
368			selectPresenceToAttachFile(attachmentChoice);
369		}
370	}
371
372	@Override
373	public boolean onOptionsItemSelected(MenuItem item) {
374		if (item.getItemId() == android.R.id.home) {
375			showConversationsOverview();
376			return true;
377		} else if (item.getItemId() == R.id.action_add) {
378			startActivity(new Intent(this, StartConversationActivity.class));
379			return true;
380		} else if (getSelectedConversation() != null) {
381			switch (item.getItemId()) {
382			case R.id.action_attach_file:
383				attachFileDialog();
384				break;
385			case R.id.action_archive:
386				this.endConversation(getSelectedConversation());
387				break;
388			case R.id.action_contact_details:
389				Contact contact = this.getSelectedConversation().getContact();
390				if (contact.showInRoster()) {
391					switchToContactDetails(contact);
392				} else {
393					showAddToRosterDialog(getSelectedConversation());
394				}
395				break;
396			case R.id.action_muc_details:
397				Intent intent = new Intent(this,
398						ConferenceDetailsActivity.class);
399				intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
400				intent.putExtra("uuid", getSelectedConversation().getUuid());
401				startActivity(intent);
402				break;
403			case R.id.action_invite:
404				inviteToConversation(getSelectedConversation());
405				break;
406			case R.id.action_security:
407				selectEncryptionDialog(getSelectedConversation());
408				break;
409			case R.id.action_clear_history:
410				clearHistoryDialog(getSelectedConversation());
411				break;
412			case R.id.action_mute:
413				muteConversationDialog(getSelectedConversation());
414				break;
415			default:
416				break;
417			}
418			return super.onOptionsItemSelected(item);
419		} else {
420			return super.onOptionsItemSelected(item);
421		}
422	}
423
424	public void endConversation(Conversation conversation) {
425		conversation.setStatus(Conversation.STATUS_ARCHIVED);
426		paneShouldBeOpen = true;
427		showConversationsOverview();
428		xmppConnectionService.archiveConversation(conversation);
429		if (conversationList.size() > 0) {
430			setSelectedConversation(conversationList.get(0));
431		} else {
432			setSelectedConversation(null);
433		}
434	}
435
436	@SuppressLint("InflateParams")
437	protected void clearHistoryDialog(final Conversation conversation) {
438		AlertDialog.Builder builder = new AlertDialog.Builder(this);
439		builder.setTitle(getString(R.string.clear_conversation_history));
440		View dialogView = getLayoutInflater().inflate(
441				R.layout.dialog_clear_history, null);
442		final CheckBox endConversationCheckBox = (CheckBox) dialogView
443				.findViewById(R.id.end_conversation_checkbox);
444		builder.setView(dialogView);
445		builder.setNegativeButton(getString(R.string.cancel), null);
446		builder.setPositiveButton(getString(R.string.delete_messages),
447				new OnClickListener() {
448
449					@Override
450					public void onClick(DialogInterface dialog, int which) {
451						ConversationActivity.this.xmppConnectionService
452								.clearConversationHistory(conversation);
453						if (endConversationCheckBox.isChecked()) {
454							endConversation(conversation);
455						}
456					}
457				});
458		builder.create().show();
459	}
460
461	protected void attachFileDialog() {
462		View menuAttachFile = findViewById(R.id.action_attach_file);
463		if (menuAttachFile == null) {
464			return;
465		}
466		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
467		attachFilePopup.inflate(R.menu.attachment_choices);
468		attachFilePopup
469				.setOnMenuItemClickListener(new OnMenuItemClickListener() {
470
471					@Override
472					public boolean onMenuItemClick(MenuItem item) {
473						switch (item.getItemId()) {
474						case R.id.attach_choose_picture:
475							attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
476							break;
477						case R.id.attach_take_picture:
478							attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
479							break;
480						case R.id.attach_record_voice:
481							attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
482							break;
483						}
484						return false;
485					}
486				});
487		attachFilePopup.show();
488	}
489
490	protected void selectEncryptionDialog(final Conversation conversation) {
491		View menuItemView = findViewById(R.id.action_security);
492		if (menuItemView == null) {
493			return;
494		}
495		PopupMenu popup = new PopupMenu(this, menuItemView);
496		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
497				.findFragmentByTag("conversation");
498		if (fragment != null) {
499			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
500
501				@Override
502				public boolean onMenuItemClick(MenuItem item) {
503					switch (item.getItemId()) {
504					case R.id.encryption_choice_none:
505						conversation.setNextEncryption(Message.ENCRYPTION_NONE);
506						item.setChecked(true);
507						break;
508					case R.id.encryption_choice_otr:
509						conversation.setNextEncryption(Message.ENCRYPTION_OTR);
510						item.setChecked(true);
511						break;
512					case R.id.encryption_choice_pgp:
513						if (hasPgp()) {
514							if (conversation.getAccount().getKeys()
515									.has("pgp_signature")) {
516								conversation
517										.setNextEncryption(Message.ENCRYPTION_PGP);
518								item.setChecked(true);
519							} else {
520								announcePgp(conversation.getAccount(),
521										conversation);
522							}
523						} else {
524							showInstallPgpDialog();
525						}
526						break;
527					default:
528						conversation.setNextEncryption(Message.ENCRYPTION_NONE);
529						break;
530					}
531					xmppConnectionService.databaseBackend
532							.updateConversation(conversation);
533					fragment.updateChatMsgHint();
534					return true;
535				}
536			});
537			popup.inflate(R.menu.encryption_choices);
538			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
539			MenuItem none = popup.getMenu().findItem(
540					R.id.encryption_choice_none);
541			if (conversation.getMode() == Conversation.MODE_MULTI) {
542				otr.setEnabled(false);
543			} else {
544				if (forceEncryption()) {
545					none.setVisible(false);
546				}
547			}
548			switch (conversation.getNextEncryption(forceEncryption())) {
549			case Message.ENCRYPTION_NONE:
550				none.setChecked(true);
551				break;
552			case Message.ENCRYPTION_OTR:
553				otr.setChecked(true);
554				break;
555			case Message.ENCRYPTION_PGP:
556				popup.getMenu().findItem(R.id.encryption_choice_pgp)
557						.setChecked(true);
558				break;
559			default:
560				popup.getMenu().findItem(R.id.encryption_choice_none)
561						.setChecked(true);
562				break;
563			}
564			popup.show();
565		}
566	}
567
568	protected void muteConversationDialog(final Conversation conversation) {
569		AlertDialog.Builder builder = new AlertDialog.Builder(this);
570		builder.setTitle(R.string.disable_notifications_for_this_conversation);
571		final int[] durations = getResources().getIntArray(
572				R.array.mute_options_durations);
573		builder.setItems(R.array.mute_options_descriptions,
574				new OnClickListener() {
575
576					@Override
577					public void onClick(DialogInterface dialog, int which) {
578						long till;
579						if (durations[which] == -1) {
580							till = Long.MAX_VALUE;
581						} else {
582							till = SystemClock.elapsedRealtime()
583									+ (durations[which] * 1000);
584						}
585						conversation.setMutedTill(till);
586						ConversationActivity.this.xmppConnectionService.databaseBackend
587								.updateConversation(conversation);
588						ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
589								.findFragmentByTag("conversation");
590						if (selectedFragment != null) {
591							selectedFragment.updateMessages();
592						}
593					}
594				});
595		builder.create().show();
596	}
597
598	protected ConversationFragment swapConversationFragment() {
599		ConversationFragment selectedFragment = new ConversationFragment();
600		if (!isFinishing()) {
601
602			FragmentTransaction transaction = getFragmentManager()
603					.beginTransaction();
604			transaction.replace(R.id.selected_conversation, selectedFragment,
605					"conversation");
606			try {
607				transaction.commitAllowingStateLoss();
608			} catch (IllegalStateException e) {
609				return selectedFragment;
610			}
611		}
612		return selectedFragment;
613	}
614
615	@Override
616	public boolean onKeyDown(int keyCode, KeyEvent event) {
617		if (keyCode == KeyEvent.KEYCODE_BACK) {
618			if (!isConversationsOverviewVisable()) {
619				showConversationsOverview();
620				return false;
621			}
622		}
623		return super.onKeyDown(keyCode, event);
624	}
625
626	@Override
627	protected void onNewIntent(Intent intent) {
628		if (xmppConnectionServiceBound) {
629			if (intent != null && VIEW_CONVERSATION.equals(intent.getType())) {
630				handleViewConversationIntent(intent);
631			}
632		} else {
633			setIntent(intent);
634		}
635	}
636
637	@Override
638	public void onStart() {
639		super.onStart();
640		if (this.xmppConnectionServiceBound) {
641			this.onBackendConnected();
642		}
643		if (conversationList.size() >= 1) {
644			this.onConversationUpdate();
645		}
646	}
647
648	@Override
649	protected void onStop() {
650		if (xmppConnectionServiceBound) {
651			xmppConnectionService.removeOnConversationListChangedListener();
652			xmppConnectionService.removeOnAccountListChangedListener();
653			xmppConnectionService.removeOnRosterUpdateListener();
654			xmppConnectionService.getNotificationService().setOpenConversation(
655					null);
656		}
657		super.onStop();
658	}
659
660	@Override
661	public void onSaveInstanceState(Bundle savedInstanceState) {
662		Conversation conversation = getSelectedConversation();
663		if (conversation != null) {
664			savedInstanceState.putString(STATE_OPEN_CONVERSATION,
665					conversation.getUuid());
666		}
667		savedInstanceState.putBoolean(STATE_PANEL_OPEN,
668				isConversationsOverviewVisable());
669		super.onSaveInstanceState(savedInstanceState);
670	}
671
672	@Override
673	void onBackendConnected() {
674		this.registerListener();
675		updateConversationList();
676
677		if (xmppConnectionService.getAccounts().size() == 0) {
678			startActivity(new Intent(this, EditAccountActivity.class));
679		} else if (conversationList.size() <= 0) {
680			startActivity(new Intent(this, StartConversationActivity.class));
681			finish();
682		} else if (getIntent() != null
683				&& VIEW_CONVERSATION.equals(getIntent().getType())) {
684			handleViewConversationIntent(getIntent());
685			setIntent(null);
686		} else if (mOpenConverstaion != null) {
687			selectConversationByUuid(mOpenConverstaion);
688			paneShouldBeOpen = mPanelOpen;
689			if (paneShouldBeOpen) {
690				showConversationsOverview();
691			}
692			swapConversationFragment();
693			mOpenConverstaion = null;
694		} else {
695			showConversationsOverview();
696			ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
697					.findFragmentByTag("conversation");
698			if (selectedFragment != null) {
699				selectedFragment.onBackendConnected();
700			} else {
701				pendingImageUri = null;
702				setSelectedConversation(conversationList.get(0));
703				swapConversationFragment();
704			}
705		}
706
707		if (pendingImageUri != null) {
708			attachImageToConversation(getSelectedConversation(),
709					pendingImageUri);
710			pendingImageUri = null;
711		}
712		ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
713	}
714
715	private void handleViewConversationIntent(Intent intent) {
716		String uuid = (String) intent.getExtras().get(CONVERSATION);
717		String text = intent.getExtras().getString(TEXT, null);
718		selectConversationByUuid(uuid);
719		paneShouldBeOpen = false;
720		swapConversationFragment().setText(text);
721	}
722
723	private void selectConversationByUuid(String uuid) {
724		for (int i = 0; i < conversationList.size(); ++i) {
725			if (conversationList.get(i).getUuid().equals(uuid)) {
726				setSelectedConversation(conversationList.get(i));
727			}
728		}
729	}
730
731	public void registerListener() {
732		xmppConnectionService.setOnConversationListChangedListener(this);
733		xmppConnectionService.setOnAccountListChangedListener(this);
734		xmppConnectionService.setOnRosterUpdateListener(this);
735	}
736
737	@Override
738	protected void onActivityResult(int requestCode, int resultCode,
739			final Intent data) {
740		super.onActivityResult(requestCode, resultCode, data);
741		if (resultCode == RESULT_OK) {
742			if (requestCode == REQUEST_DECRYPT_PGP) {
743				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
744						.findFragmentByTag("conversation");
745				if (selectedFragment != null) {
746					selectedFragment.hideSnackbar();
747					selectedFragment.updateMessages();
748				}
749			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
750				pendingImageUri = data.getData();
751				if (xmppConnectionServiceBound) {
752					attachImageToConversation(getSelectedConversation(),
753							pendingImageUri);
754					pendingImageUri = null;
755				}
756			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
757
758			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
759				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
760			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
761				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
762			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
763				announcePgp(getSelectedConversation().getAccount(),
764						getSelectedConversation());
765			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
766				// encryptTextMessage();
767			} else if (requestCode == REQUEST_IMAGE_CAPTURE) {
768				if (xmppConnectionServiceBound) {
769					attachImageToConversation(getSelectedConversation(),
770							pendingImageUri);
771					pendingImageUri = null;
772				}
773				Intent intent = new Intent(
774						Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
775				intent.setData(pendingImageUri);
776				sendBroadcast(intent);
777			} else if (requestCode == REQUEST_RECORD_AUDIO) {
778				attachAudioToConversation(getSelectedConversation(),
779						data.getData());
780			}
781		} else {
782			if (requestCode == REQUEST_IMAGE_CAPTURE) {
783				pendingImageUri = null;
784			}
785		}
786	}
787
788	private void attachAudioToConversation(Conversation conversation, Uri uri) {
789
790	}
791
792	private void attachImageToConversation(Conversation conversation, Uri uri) {
793		prepareImageToast = Toast.makeText(getApplicationContext(),
794				getText(R.string.preparing_image), Toast.LENGTH_LONG);
795		prepareImageToast.show();
796		xmppConnectionService.attachImageToConversation(conversation, uri,
797				new UiCallback<Message>() {
798
799					@Override
800					public void userInputRequried(PendingIntent pi,
801							Message object) {
802						hidePrepareImageToast();
803						ConversationActivity.this.runIntent(pi,
804								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
805					}
806
807					@Override
808					public void success(Message message) {
809						xmppConnectionService.sendMessage(message);
810					}
811
812					@Override
813					public void error(int error, Message message) {
814						hidePrepareImageToast();
815						displayErrorDialog(error);
816					}
817				});
818	}
819
820	private void hidePrepareImageToast() {
821		if (prepareImageToast != null) {
822			runOnUiThread(new Runnable() {
823
824				@Override
825				public void run() {
826					prepareImageToast.cancel();
827				}
828			});
829		}
830	}
831
832	public void updateConversationList() {
833		xmppConnectionService
834				.populateWithOrderedConversations(conversationList);
835		listAdapter.notifyDataSetChanged();
836	}
837
838	public void runIntent(PendingIntent pi, int requestCode) {
839		try {
840			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
841					null, 0, 0, 0);
842		} catch (SendIntentException e1) {
843		}
844	}
845
846	public void encryptTextMessage(Message message) {
847		xmppConnectionService.getPgpEngine().encrypt(message,
848				new UiCallback<Message>() {
849
850					@Override
851					public void userInputRequried(PendingIntent pi,
852							Message message) {
853						ConversationActivity.this.runIntent(pi,
854								ConversationActivity.REQUEST_SEND_MESSAGE);
855					}
856
857					@Override
858					public void success(Message message) {
859						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
860						xmppConnectionService.sendMessage(message);
861					}
862
863					@Override
864					public void error(int error, Message message) {
865
866					}
867				});
868	}
869
870	public boolean forceEncryption() {
871		return getPreferences().getBoolean("force_encryption", false);
872	}
873
874	public boolean useSendButtonToIndicateStatus() {
875		return getPreferences().getBoolean("send_button_status", false);
876	}
877
878	public boolean indicateReceived() {
879		return getPreferences().getBoolean("indicate_received", false);
880	}
881
882	@Override
883	public void onAccountUpdate() {
884		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
885				.findFragmentByTag("conversation");
886		if (fragment != null) {
887			runOnUiThread(new Runnable() {
888
889				@Override
890				public void run() {
891					fragment.updateMessages();
892				}
893			});
894		}
895	}
896
897	@Override
898	public void onConversationUpdate() {
899		runOnUiThread(new Runnable() {
900
901			@Override
902			public void run() {
903				updateConversationList();
904				if (paneShouldBeOpen) {
905					if (conversationList.size() >= 1) {
906						swapConversationFragment();
907					} else {
908						startActivity(new Intent(getApplicationContext(),
909								StartConversationActivity.class));
910						finish();
911					}
912				}
913				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
914						.findFragmentByTag("conversation");
915				if (selectedFragment != null) {
916					selectedFragment.updateMessages();
917				}
918			}
919		});
920	}
921
922	@Override
923	public void onRosterUpdate() {
924		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
925				.findFragmentByTag("conversation");
926		if (fragment != null) {
927			runOnUiThread(new Runnable() {
928
929				@Override
930				public void run() {
931					fragment.updateMessages();
932				}
933			});
934		}
935	}
936}