ConversationActivity.java

  1package eu.siacs.conversations.ui;
  2
  3import android.annotation.SuppressLint;
  4import android.app.ActionBar;
  5import android.app.AlertDialog;
  6import android.app.FragmentTransaction;
  7import android.app.PendingIntent;
  8import android.content.DialogInterface;
  9import android.content.DialogInterface.OnClickListener;
 10import android.content.Intent;
 11import android.content.IntentSender.SendIntentException;
 12import android.net.Uri;
 13import android.os.Bundle;
 14import android.os.SystemClock;
 15import android.provider.MediaStore;
 16import android.support.v4.widget.SlidingPaneLayout;
 17import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 18import android.view.KeyEvent;
 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.ListView;
 27import android.widget.PopupMenu;
 28import android.widget.PopupMenu.OnMenuItemClickListener;
 29import android.widget.Toast;
 30
 31import java.util.ArrayList;
 32import java.util.List;
 33
 34import eu.siacs.conversations.R;
 35import eu.siacs.conversations.entities.Contact;
 36import eu.siacs.conversations.entities.Conversation;
 37import eu.siacs.conversations.entities.Message;
 38import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
 39import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 40import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
 41import eu.siacs.conversations.ui.adapter.ConversationAdapter;
 42import eu.siacs.conversations.utils.ExceptionHelper;
 43
 44public class ConversationActivity extends XmppActivity implements
 45		OnAccountUpdate, OnConversationUpdate, OnRosterUpdate {
 46
 47	public static final String VIEW_CONVERSATION = "viewConversation";
 48	public static final String CONVERSATION = "conversationUuid";
 49	public static final String TEXT = "text";
 50	public static final String NICK = "nick";
 51	public static final String PRESENCE = "eu.siacs.conversations.presence";
 52
 53	public static final int REQUEST_SEND_MESSAGE = 0x0201;
 54	public static final int REQUEST_DECRYPT_PGP = 0x0202;
 55	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 56	private static final int REQUEST_ATTACH_IMAGE_DIALOG = 0x0203;
 57	private static final int REQUEST_IMAGE_CAPTURE = 0x0204;
 58	private static final int REQUEST_RECORD_AUDIO = 0x0205;
 59	private static final int REQUEST_SEND_PGP_IMAGE = 0x0206;
 60	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x0208;
 61	private static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 62	private static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 63	private static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 64	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
 65	private static final String STATE_PANEL_OPEN = "state_panel_open";
 66	private static final String STATE_PENDING_URI = "state_pending_uri";
 67
 68	private String mOpenConverstaion = null;
 69	private boolean mPanelOpen = true;
 70	private Uri mPendingImageUri = null;
 71	private Uri mPendingFileUri = null;
 72
 73	private View mContentView;
 74
 75	private List<Conversation> conversationList = new ArrayList<>();
 76	private Conversation selectedConversation = null;
 77	private ListView listView;
 78	private ConversationFragment mConversationFragment;
 79
 80	private ArrayAdapter<Conversation> listAdapter;
 81
 82	private Toast prepareFileToast;
 83
 84
 85	public List<Conversation> getConversationList() {
 86		return this.conversationList;
 87	}
 88
 89	public Conversation getSelectedConversation() {
 90		return this.selectedConversation;
 91	}
 92
 93	public void setSelectedConversation(Conversation conversation) {
 94		this.selectedConversation = conversation;
 95	}
 96
 97	public ListView getConversationListView() {
 98		return this.listView;
 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(Bundle savedInstanceState) {
145		super.onCreate(savedInstanceState);
146		if (savedInstanceState != null) {mOpenConverstaion = savedInstanceState.getString(
147					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				mPendingImageUri = Uri.parse(pending);
152			}
153		}
154
155		setContentView(R.layout.fragment_conversations_overview);
156
157		this.mConversationFragment = new ConversationFragment();
158		FragmentTransaction transaction = getFragmentManager().beginTransaction();
159		transaction.replace(R.id.selected_conversation, this.mConversationFragment, "conversation");
160		transaction.commit();
161
162		listView = (ListView) findViewById(R.id.list);
163		this.listAdapter = new ConversationAdapter(this, conversationList);
164		listView.setAdapter(this.listAdapter);
165
166		if (getActionBar() != null) {
167			getActionBar().setDisplayHomeAsUpEnabled(false);
168			getActionBar().setHomeButtonEnabled(false);
169		}
170
171		listView.setOnItemClickListener(new OnItemClickListener() {
172
173			@Override
174			public void onItemClick(AdapterView<?> arg0, View clickedView,
175									int position, long arg3) {
176				if (getSelectedConversation() != conversationList.get(position)) {
177					setSelectedConversation(conversationList.get(position));
178					ConversationActivity.this.mConversationFragment.reInit(getSelectedConversation());
179				}
180				hideConversationsOverview();
181			}
182		});
183		mContentView = findViewById(R.id.content_view_spl);
184		if (mContentView == null) {
185			mContentView = findViewById(R.id.content_view_ll);
186		}
187		if (mContentView instanceof SlidingPaneLayout) {
188			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
189			mSlidingPaneLayout.setParallaxDistance(150);
190			mSlidingPaneLayout
191					.setShadowResource(R.drawable.es_slidingpane_shadow);
192			mSlidingPaneLayout.setSliderFadeColor(0);
193			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
194
195				@Override
196				public void onPanelOpened(View arg0) {
197					ActionBar ab = getActionBar();
198					if (ab != null) {
199						ab.setDisplayHomeAsUpEnabled(false);
200						ab.setHomeButtonEnabled(false);
201						ab.setTitle(R.string.app_name);
202					}
203					invalidateOptionsMenu();
204					hideKeyboard();
205					if (xmppConnectionServiceBound) {
206						xmppConnectionService.getNotificationService()
207								.setOpenConversation(null);
208					}
209					closeContextMenu();
210				}
211
212				@Override
213				public void onPanelClosed(View arg0) {
214					openConversation();
215				}
216
217				@Override
218				public void onPanelSlide(View arg0, float arg1) {
219					// TODO Auto-generated method stub
220
221				}
222			});
223		}
224	}
225
226	public void openConversation() {
227		ActionBar ab = getActionBar();
228		if (ab != null) {
229			ab.setDisplayHomeAsUpEnabled(true);
230			ab.setHomeButtonEnabled(true);
231			if (getSelectedConversation().getMode() == Conversation.MODE_SINGLE
232					|| ConversationActivity.this
233					.useSubjectToIdentifyConference()) {
234				ab.setTitle(getSelectedConversation().getName());
235			} else {
236				ab.setTitle(getSelectedConversation().getContactJid().toBareJid().toString());
237			}
238		}
239		invalidateOptionsMenu();
240		if (xmppConnectionServiceBound) {
241			xmppConnectionService.getNotificationService().setOpenConversation(getSelectedConversation());
242			if (!getSelectedConversation().isRead()) {
243				xmppConnectionService.markRead(getSelectedConversation(), true);
244				listView.invalidateViews();
245			}
246		}
247	}
248
249	@Override
250	public boolean onCreateOptionsMenu(Menu menu) {
251		getMenuInflater().inflate(R.menu.conversations, menu);
252		MenuItem menuSecure = menu.findItem(R.id.action_security);
253		MenuItem menuArchive = menu.findItem(R.id.action_archive);
254		MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
255		MenuItem menuContactDetails = menu
256				.findItem(R.id.action_contact_details);
257		MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
258		MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
259		MenuItem menuAdd = menu.findItem(R.id.action_add);
260		MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
261		MenuItem menuMute = menu.findItem(R.id.action_mute);
262
263		if (isConversationsOverviewVisable()
264				&& isConversationsOverviewHideable()) {
265			menuArchive.setVisible(false);
266			menuMucDetails.setVisible(false);
267			menuContactDetails.setVisible(false);
268			menuSecure.setVisible(false);
269			menuInviteContact.setVisible(false);
270			menuAttach.setVisible(false);
271			menuClearHistory.setVisible(false);
272			menuMute.setVisible(false);
273		} else {
274			menuAdd.setVisible(!isConversationsOverviewHideable());
275			if (this.getSelectedConversation() != null) {
276				if (this.getSelectedConversation().getLatestMessage()
277						.getEncryption() != Message.ENCRYPTION_NONE) {
278					menuSecure.setIcon(R.drawable.ic_action_secure);
279				}
280				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
281					menuContactDetails.setVisible(false);
282					menuAttach.setVisible(false);
283				} else {
284					menuMucDetails.setVisible(false);
285					menuInviteContact.setVisible(false);
286				}
287			}
288		}
289		return true;
290	}
291
292	private void selectPresenceToAttachFile(final int attachmentChoice) {
293		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
294
295			@Override
296			public void onPresenceSelected() {
297				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
298					mPendingImageUri = xmppConnectionService.getFileBackend()
299							.getTakePhotoUri();
300					Intent takePictureIntent = new Intent(
301							MediaStore.ACTION_IMAGE_CAPTURE);
302					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
303							mPendingImageUri);
304					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
305						startActivityForResult(takePictureIntent,
306								REQUEST_IMAGE_CAPTURE);
307					}
308				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
309					Intent attachFileIntent = new Intent();
310					attachFileIntent.setType("image/*");
311					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
312					Intent chooser = Intent.createChooser(attachFileIntent,
313							getString(R.string.attach_file));
314					startActivityForResult(chooser, REQUEST_ATTACH_IMAGE_DIALOG);
315				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_FILE) {
316					Intent attachFileIntent = new Intent();
317					//attachFileIntent.setType("file/*");
318					attachFileIntent.setType("*/*");
319					attachFileIntent.addCategory(Intent.CATEGORY_OPENABLE);
320					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
321					Intent chooser = Intent.createChooser(attachFileIntent,
322							getString(R.string.attach_file));
323					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
324				}
325			}
326		});
327	}
328
329	private void attachFile(final int attachmentChoice) {
330		final Conversation conversation = getSelectedConversation();
331		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
332			if (hasPgp()) {
333				if (conversation.getContact().getPgpKeyId() != 0) {
334					xmppConnectionService.getPgpEngine().hasKey(
335							conversation.getContact(),
336							new UiCallback<Contact>() {
337
338								@Override
339								public void userInputRequried(PendingIntent pi,
340															  Contact contact) {
341									ConversationActivity.this.runIntent(pi,
342											attachmentChoice);
343								}
344
345								@Override
346								public void success(Contact contact) {
347									selectPresenceToAttachFile(attachmentChoice);
348								}
349
350								@Override
351								public void error(int error, Contact contact) {
352									displayErrorDialog(error);
353								}
354							});
355				} else {
356					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
357							.findFragmentByTag("conversation");
358					if (fragment != null) {
359						fragment.showNoPGPKeyDialog(false,
360								new OnClickListener() {
361
362									@Override
363									public void onClick(DialogInterface dialog,
364														int which) {
365										conversation
366												.setNextEncryption(Message.ENCRYPTION_NONE);
367										xmppConnectionService.databaseBackend
368												.updateConversation(conversation);
369										selectPresenceToAttachFile(attachmentChoice);
370									}
371								});
372					}
373				}
374			} else {
375				showInstallPgpDialog();
376			}
377		} else if (getSelectedConversation().getNextEncryption(
378				forceEncryption()) == Message.ENCRYPTION_NONE) {
379			selectPresenceToAttachFile(attachmentChoice);
380		} else {
381			selectPresenceToAttachFile(attachmentChoice);
382		}
383	}
384
385	@Override
386	public boolean onOptionsItemSelected(MenuItem item) {
387		if (item.getItemId() == android.R.id.home) {
388			showConversationsOverview();
389			return true;
390		} else if (item.getItemId() == R.id.action_add) {
391			startActivity(new Intent(this, StartConversationActivity.class));
392			return true;
393		} else if (getSelectedConversation() != null) {
394			switch (item.getItemId()) {
395				case R.id.action_attach_file:
396					attachFileDialog();
397					break;
398				case R.id.action_archive:
399					this.endConversation(getSelectedConversation());
400					break;
401				case R.id.action_contact_details:
402					Contact contact = this.getSelectedConversation().getContact();
403					if (contact.showInRoster()) {
404						switchToContactDetails(contact);
405					} else {
406						showAddToRosterDialog(getSelectedConversation());
407					}
408					break;
409				case R.id.action_muc_details:
410					Intent intent = new Intent(this,
411							ConferenceDetailsActivity.class);
412					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
413					intent.putExtra("uuid", getSelectedConversation().getUuid());
414					startActivity(intent);
415					break;
416				case R.id.action_invite:
417					inviteToConversation(getSelectedConversation());
418					break;
419				case R.id.action_security:
420					selectEncryptionDialog(getSelectedConversation());
421					break;
422				case R.id.action_clear_history:
423					clearHistoryDialog(getSelectedConversation());
424					break;
425				case R.id.action_mute:
426					muteConversationDialog(getSelectedConversation());
427					break;
428				default:
429					break;
430			}
431			return super.onOptionsItemSelected(item);
432		} else {
433			return super.onOptionsItemSelected(item);
434		}
435	}
436
437	public void endConversation(Conversation conversation) {
438		conversation.setStatus(Conversation.STATUS_ARCHIVED);
439		showConversationsOverview();
440		xmppConnectionService.archiveConversation(conversation);
441		if (conversationList.size() > 0) {
442			setSelectedConversation(conversationList.get(0));
443			this.mConversationFragment.reInit(getSelectedConversation());
444		} else {
445			setSelectedConversation(null);
446		}
447	}
448
449	@SuppressLint("InflateParams")
450	protected void clearHistoryDialog(final Conversation conversation) {
451		AlertDialog.Builder builder = new AlertDialog.Builder(this);
452		builder.setTitle(getString(R.string.clear_conversation_history));
453		View dialogView = getLayoutInflater().inflate(
454				R.layout.dialog_clear_history, null);
455		final CheckBox endConversationCheckBox = (CheckBox) dialogView
456				.findViewById(R.id.end_conversation_checkbox);
457		builder.setView(dialogView);
458		builder.setNegativeButton(getString(R.string.cancel), null);
459		builder.setPositiveButton(getString(R.string.delete_messages),
460				new OnClickListener() {
461
462					@Override
463					public void onClick(DialogInterface dialog, int which) {
464						ConversationActivity.this.xmppConnectionService
465								.clearConversationHistory(conversation);
466						if (endConversationCheckBox.isChecked()) {
467							endConversation(conversation);
468						}
469					}
470				});
471		builder.create().show();
472	}
473
474	protected void attachFileDialog() {
475		View menuAttachFile = findViewById(R.id.action_attach_file);
476		if (menuAttachFile == null) {
477			return;
478		}
479		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
480		attachFilePopup.inflate(R.menu.attachment_choices);
481		attachFilePopup
482				.setOnMenuItemClickListener(new OnMenuItemClickListener() {
483
484					@Override
485					public boolean onMenuItemClick(MenuItem item) {
486						switch (item.getItemId()) {
487							case R.id.attach_choose_picture:
488								attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
489								break;
490							case R.id.attach_take_picture:
491								attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
492								break;
493							case R.id.attach_record_voice:
494								attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
495								break;
496						}
497						return false;
498					}
499				});
500		attachFilePopup.show();
501	}
502
503	protected void selectEncryptionDialog(final Conversation conversation) {
504		View menuItemView = findViewById(R.id.action_security);
505		if (menuItemView == null) {
506			return;
507		}
508		PopupMenu popup = new PopupMenu(this, menuItemView);
509		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
510				.findFragmentByTag("conversation");
511		if (fragment != null) {
512			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
513
514				@Override
515				public boolean onMenuItemClick(MenuItem item) {
516					switch (item.getItemId()) {
517						case R.id.encryption_choice_none:
518							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
519							item.setChecked(true);
520							break;
521						case R.id.encryption_choice_otr:
522							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
523							item.setChecked(true);
524							break;
525						case R.id.encryption_choice_pgp:
526							if (hasPgp()) {
527								if (conversation.getAccount().getKeys()
528										.has("pgp_signature")) {
529									conversation
530											.setNextEncryption(Message.ENCRYPTION_PGP);
531									item.setChecked(true);
532								} else {
533									announcePgp(conversation.getAccount(),
534											conversation);
535								}
536							} else {
537								showInstallPgpDialog();
538							}
539							break;
540						default:
541							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
542							break;
543					}
544					xmppConnectionService.databaseBackend
545							.updateConversation(conversation);
546					fragment.updateChatMsgHint();
547					return true;
548				}
549			});
550			popup.inflate(R.menu.encryption_choices);
551			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
552			MenuItem none = popup.getMenu().findItem(
553					R.id.encryption_choice_none);
554			if (conversation.getMode() == Conversation.MODE_MULTI) {
555				otr.setEnabled(false);
556			} else {
557				if (forceEncryption()) {
558					none.setVisible(false);
559				}
560			}
561			switch (conversation.getNextEncryption(forceEncryption())) {
562				case Message.ENCRYPTION_NONE:
563					none.setChecked(true);
564					break;
565				case Message.ENCRYPTION_OTR:
566					otr.setChecked(true);
567					break;
568				case Message.ENCRYPTION_PGP:
569					popup.getMenu().findItem(R.id.encryption_choice_pgp)
570							.setChecked(true);
571					break;
572				default:
573					popup.getMenu().findItem(R.id.encryption_choice_none)
574							.setChecked(true);
575					break;
576			}
577			popup.show();
578		}
579	}
580
581	protected void muteConversationDialog(final Conversation conversation) {
582		AlertDialog.Builder builder = new AlertDialog.Builder(this);
583		builder.setTitle(R.string.disable_notifications_for_this_conversation);
584		final int[] durations = getResources().getIntArray(
585				R.array.mute_options_durations);
586		builder.setItems(R.array.mute_options_descriptions,
587				new OnClickListener() {
588
589					@Override
590					public void onClick(DialogInterface dialog, int which) {
591						long till;
592						if (durations[which] == -1) {
593							till = Long.MAX_VALUE;
594						} else {
595							till = SystemClock.elapsedRealtime()
596									+ (durations[which] * 1000);
597						}
598						conversation.setMutedTill(till);
599						ConversationActivity.this.xmppConnectionService.databaseBackend
600								.updateConversation(conversation);
601						ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
602								.findFragmentByTag("conversation");
603						if (selectedFragment != null) {
604							selectedFragment.updateMessages();
605						}
606					}
607				});
608		builder.create().show();
609	}
610
611	@Override
612	public boolean onKeyDown(final int keyCode, final KeyEvent event) {
613		if (keyCode == KeyEvent.KEYCODE_BACK) {
614			if (!isConversationsOverviewVisable()) {
615				showConversationsOverview();
616				return false;
617			}
618		}
619		return super.onKeyDown(keyCode, event);
620	}
621
622	@Override
623	protected void onNewIntent(final Intent intent) {
624		if (xmppConnectionServiceBound) {
625			if (intent != null && VIEW_CONVERSATION.equals(intent.getType())) {
626				handleViewConversationIntent(intent);
627			}
628		} else {
629			setIntent(intent);
630		}
631	}
632
633	@Override
634	public void onStart() {
635		super.onStart();
636		if (this.xmppConnectionServiceBound) {
637			this.onBackendConnected();
638		}
639		if (conversationList.size() >= 1) {
640			this.onConversationUpdate();
641		}
642	}
643
644	@Override
645	public void onSaveInstanceState(final Bundle savedInstanceState) {
646		Conversation conversation = getSelectedConversation();
647		if (conversation != null) {
648			savedInstanceState.putString(STATE_OPEN_CONVERSATION,
649					conversation.getUuid());
650		}
651		savedInstanceState.putBoolean(STATE_PANEL_OPEN,
652				isConversationsOverviewVisable());
653		if (this.mPendingImageUri != null) {
654			savedInstanceState.putString(STATE_PENDING_URI, this.mPendingImageUri.toString());
655		}
656		super.onSaveInstanceState(savedInstanceState);
657	}
658
659	@Override
660	void onBackendConnected() {
661		updateConversationList();
662		if (xmppConnectionService.getAccounts().size() == 0) {
663			startActivity(new Intent(this, EditAccountActivity.class));
664		} else if (conversationList.size() <= 0) {
665			startActivity(new Intent(this, StartConversationActivity.class));
666			finish();
667		} else if (getIntent() != null
668				&& VIEW_CONVERSATION.equals(getIntent().getType())) {
669			handleViewConversationIntent(getIntent());
670		} else if (mOpenConverstaion != null) {
671			selectConversationByUuid(mOpenConverstaion);
672			if (mPanelOpen) {
673				showConversationsOverview();
674			} else {
675				if (isConversationsOverviewHideable()) {
676					openConversation();
677				}
678			}
679			this.mConversationFragment.reInit(getSelectedConversation());
680			mOpenConverstaion = null;
681		} else if (getSelectedConversation() != null) {
682			this.mConversationFragment.updateMessages();
683		} else {
684			showConversationsOverview();
685			mPendingImageUri = null;
686			mPendingFileUri = null;
687			setSelectedConversation(conversationList.get(0));
688			this.mConversationFragment.reInit(getSelectedConversation());
689		}
690
691		if (mPendingImageUri != null) {
692			attachImageToConversation(getSelectedConversation(),mPendingImageUri);
693			mPendingImageUri = null;
694		} else if (mPendingFileUri != null) {
695			attachFileToConversation(getSelectedConversation(),mPendingFileUri);
696			mPendingFileUri = null;
697		}
698		ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
699		setIntent(new Intent());
700	}
701
702	private void handleViewConversationIntent(Intent intent) {
703		String uuid = (String) intent.getExtras().get(CONVERSATION);
704		String text = intent.getExtras().getString(TEXT, "");
705		String nick = intent.getExtras().getString(NICK,null);
706		selectConversationByUuid(uuid);
707		this.mConversationFragment.reInit(getSelectedConversation());
708		if (nick!=null) {
709			this.mConversationFragment.highlightInConference(nick);
710		} else {
711			this.mConversationFragment.appendText(text);
712		}
713		hideConversationsOverview();
714		if (mContentView instanceof SlidingPaneLayout) {
715			openConversation();
716		}
717	}
718
719	private void selectConversationByUuid(String uuid) {
720        for (Conversation aConversationList : conversationList) {
721            if (aConversationList.getUuid().equals(uuid)) {
722                setSelectedConversation(aConversationList);
723            }
724        }
725	}
726
727	@Override
728	protected void unregisterListeners() {
729		super.unregisterListeners();
730		xmppConnectionService.getNotificationService().setOpenConversation(null);
731	}
732
733	@Override
734	protected void onActivityResult(int requestCode, int resultCode,
735									final Intent data) {
736		super.onActivityResult(requestCode, resultCode, data);
737		if (resultCode == RESULT_OK) {
738			if (requestCode == REQUEST_DECRYPT_PGP) {
739				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
740						.findFragmentByTag("conversation");
741				if (selectedFragment != null) {
742					selectedFragment.hideSnackbar();
743					selectedFragment.updateMessages();
744				}
745			} else if (requestCode == REQUEST_ATTACH_IMAGE_DIALOG) {
746				mPendingImageUri = data.getData();
747				if (xmppConnectionServiceBound) {
748					attachImageToConversation(getSelectedConversation(),
749							mPendingImageUri);
750					mPendingImageUri = null;
751				}
752			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
753				mPendingFileUri = data.getData();
754				if (xmppConnectionServiceBound) {
755					attachFileToConversation(getSelectedConversation(),
756							mPendingFileUri);
757					mPendingFileUri = null;
758				}
759			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
760
761			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
762				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
763			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
764				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
765			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
766				announcePgp(getSelectedConversation().getAccount(),
767						getSelectedConversation());
768			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
769				// encryptTextMessage();
770			} else if (requestCode == REQUEST_IMAGE_CAPTURE && mPendingImageUri != null) {
771				if (xmppConnectionServiceBound) {
772					attachImageToConversation(getSelectedConversation(),
773							mPendingImageUri);
774					mPendingImageUri = null;
775				}
776				Intent intent = new Intent(
777						Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
778				intent.setData(mPendingImageUri);
779				sendBroadcast(intent);
780			}
781		} else {
782			if (requestCode == REQUEST_IMAGE_CAPTURE) {
783				mPendingImageUri = null;
784			}
785		}
786	}
787
788	private void attachFileToConversation(Conversation conversation, Uri uri) {
789		prepareFileToast = Toast.makeText(getApplicationContext(),
790				getText(R.string.preparing_file), Toast.LENGTH_LONG);
791		prepareFileToast.show();
792		xmppConnectionService.attachFileToConversation(conversation,uri, new UiCallback<Message>() {
793			@Override
794			public void success(Message message) {
795				hidePrepareFileToast();
796				xmppConnectionService.sendMessage(message);
797			}
798
799			@Override
800			public void error(int errorCode, Message message) {
801				displayErrorDialog(errorCode);
802			}
803
804			@Override
805			public void userInputRequried(PendingIntent pi, Message message) {
806
807			}
808		});
809	}
810
811	private void attachImageToConversation(Conversation conversation, Uri uri) {
812		prepareFileToast = Toast.makeText(getApplicationContext(),
813				getText(R.string.preparing_image), Toast.LENGTH_LONG);
814		prepareFileToast.show();
815		xmppConnectionService.attachImageToConversation(conversation, uri,
816				new UiCallback<Message>() {
817
818					@Override
819					public void userInputRequried(PendingIntent pi,
820												  Message object) {
821						hidePrepareFileToast();
822						ConversationActivity.this.runIntent(pi,
823								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
824					}
825
826					@Override
827					public void success(Message message) {
828						xmppConnectionService.sendMessage(message);
829					}
830
831					@Override
832					public void error(int error, Message message) {
833						hidePrepareFileToast();
834						displayErrorDialog(error);
835					}
836				});
837	}
838
839	private void hidePrepareFileToast() {
840		if (prepareFileToast != null) {
841			runOnUiThread(new Runnable() {
842
843				@Override
844				public void run() {
845					prepareFileToast.cancel();
846				}
847			});
848		}
849	}
850
851	public void updateConversationList() {
852		xmppConnectionService
853				.populateWithOrderedConversations(conversationList);
854		listAdapter.notifyDataSetChanged();
855	}
856
857	public void runIntent(PendingIntent pi, int requestCode) {
858		try {
859			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
860					null, 0, 0, 0);
861		} catch (final SendIntentException ignored) {
862		}
863	}
864
865	public void encryptTextMessage(Message message) {
866		xmppConnectionService.getPgpEngine().encrypt(message,
867				new UiCallback<Message>() {
868
869					@Override
870					public void userInputRequried(PendingIntent pi,
871												  Message message) {
872						ConversationActivity.this.runIntent(pi,
873								ConversationActivity.REQUEST_SEND_MESSAGE);
874					}
875
876					@Override
877					public void success(Message message) {
878						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
879						xmppConnectionService.sendMessage(message);
880					}
881
882					@Override
883					public void error(int error, Message message) {
884
885					}
886				});
887	}
888
889	public boolean forceEncryption() {
890		return getPreferences().getBoolean("force_encryption", false);
891	}
892
893	public boolean useSendButtonToIndicateStatus() {
894		return getPreferences().getBoolean("send_button_status", false);
895	}
896
897	public boolean indicateReceived() {
898		return getPreferences().getBoolean("indicate_received", false);
899	}
900
901	@Override
902	public void onAccountUpdate() {
903		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
904				.findFragmentByTag("conversation");
905		if (fragment != null) {
906			runOnUiThread(new Runnable() {
907
908				@Override
909				public void run() {
910					fragment.updateMessages();
911				}
912			});
913		}
914	}
915
916	@Override
917	public void onConversationUpdate() {
918		runOnUiThread(new Runnable() {
919
920			@Override
921			public void run() {
922				updateConversationList();
923				if (conversationList.size() == 0) {
924					startActivity(new Intent(getApplicationContext(),
925							StartConversationActivity.class));
926					finish();
927				}
928				ConversationActivity.this.mConversationFragment.updateMessages();
929			}
930		});
931	}
932
933	@Override
934	public void onRosterUpdate() {
935		runOnUiThread(new Runnable() {
936
937				@Override
938				public void run() {
939					ConversationActivity.this.mConversationFragment.updateMessages();
940				}
941			});
942	}
943}