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.ContextMenu;
 19import android.view.KeyEvent;
 20import android.view.Menu;
 21import android.view.MenuItem;
 22import android.view.View;
 23import android.widget.AdapterView;
 24import android.widget.AdapterView.OnItemClickListener;
 25import android.widget.ArrayAdapter;
 26import android.widget.CheckBox;
 27import android.widget.ListView;
 28import android.widget.PopupMenu;
 29import android.widget.PopupMenu.OnMenuItemClickListener;
 30import android.widget.Toast;
 31
 32import java.util.ArrayList;
 33import java.util.List;
 34
 35import eu.siacs.conversations.R;
 36import eu.siacs.conversations.entities.Contact;
 37import eu.siacs.conversations.entities.Conversation;
 38import eu.siacs.conversations.entities.Message;
 39import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
 40import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 41import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
 42import eu.siacs.conversations.ui.adapter.ConversationAdapter;
 43import eu.siacs.conversations.utils.ExceptionHelper;
 44
 45public class ConversationActivity extends XmppActivity implements
 46		OnAccountUpdate, OnConversationUpdate, OnRosterUpdate {
 47
 48	public static final String VIEW_CONVERSATION = "viewConversation";
 49	public static final String CONVERSATION = "conversationUuid";
 50	public static final String TEXT = "text";
 51	public static final String NICK = "nick";
 52	public static final String PRESENCE = "eu.siacs.conversations.presence";
 53
 54	public static final int REQUEST_SEND_MESSAGE = 0x0201;
 55	public static final int REQUEST_DECRYPT_PGP = 0x0202;
 56	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 57	private static final int REQUEST_ATTACH_IMAGE_DIALOG = 0x0203;
 58	private static final int REQUEST_IMAGE_CAPTURE = 0x0204;
 59	private static final int REQUEST_RECORD_AUDIO = 0x0205;
 60	private static final int REQUEST_SEND_PGP_IMAGE = 0x0206;
 61	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x0208;
 62	private static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 63	private static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 64	private static final int ATTACHMENT_CHOICE_CHOOSE_FILE = 0x0303;
 65	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
 66	private static final String STATE_PANEL_OPEN = "state_panel_open";
 67	private static final String STATE_PENDING_URI = "state_pending_uri";
 68
 69	private String mOpenConverstaion = null;
 70	private boolean mPanelOpen = true;
 71	private Uri mPendingImageUri = null;
 72	private Uri mPendingFileUri = null;
 73
 74	private View mContentView;
 75
 76	private List<Conversation> conversationList = new ArrayList<>();
 77	private Conversation mSelectedConversation = null;
 78	private ListView listView;
 79	private ConversationFragment mConversationFragment;
 80
 81	private ArrayAdapter<Conversation> listAdapter;
 82
 83	private Toast prepareFileToast;
 84
 85
 86	public List<Conversation> getConversationList() {
 87		return this.conversationList;
 88	}
 89
 90	public Conversation getSelectedConversation() {
 91		return this.mSelectedConversation;
 92	}
 93
 94	public void setSelectedConversation(Conversation conversation) {
 95		this.mSelectedConversation = conversation;
 96	}
 97
 98	public ListView getConversationListView() {
 99		return this.listView;
100	}
101
102	public void showConversationsOverview() {
103		if (mContentView instanceof SlidingPaneLayout) {
104			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
105			mSlidingPaneLayout.openPane();
106		}
107	}
108
109	@Override
110	protected String getShareableUri() {
111		Conversation conversation = getSelectedConversation();
112		if (conversation != null) {
113			return conversation.getAccount().getShareableUri();
114		} else {
115			return "";
116		}
117	}
118
119	public void hideConversationsOverview() {
120		if (mContentView instanceof SlidingPaneLayout) {
121			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
122			mSlidingPaneLayout.closePane();
123		}
124	}
125
126	public boolean isConversationsOverviewHideable() {
127		if (mContentView instanceof SlidingPaneLayout) {
128			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
129			return mSlidingPaneLayout.isSlideable();
130		} else {
131			return false;
132		}
133	}
134
135	public boolean isConversationsOverviewVisable() {
136		if (mContentView instanceof SlidingPaneLayout) {
137			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
138			return mSlidingPaneLayout.isOpen();
139		} else {
140			return true;
141		}
142	}
143
144	@Override
145	protected void onCreate(Bundle savedInstanceState) {
146		super.onCreate(savedInstanceState);
147		if (savedInstanceState != null) {mOpenConverstaion = savedInstanceState.getString(
148					STATE_OPEN_CONVERSATION, null);
149			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
150			String pending = savedInstanceState.getString(STATE_PENDING_URI, null);
151			if (pending != null) {
152				mPendingImageUri = 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 = (ListView) 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			}
183		});
184		//registerForContextMenu(listView);
185		mContentView = findViewById(R.id.content_view_spl);
186		if (mContentView == null) {
187			mContentView = findViewById(R.id.content_view_ll);
188		}
189		if (mContentView instanceof SlidingPaneLayout) {
190			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
191			mSlidingPaneLayout.setParallaxDistance(150);
192			mSlidingPaneLayout
193					.setShadowResource(R.drawable.es_slidingpane_shadow);
194			mSlidingPaneLayout.setSliderFadeColor(0);
195			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
196
197				@Override
198				public void onPanelOpened(View arg0) {
199					ActionBar ab = getActionBar();
200					if (ab != null) {
201						ab.setDisplayHomeAsUpEnabled(false);
202						ab.setHomeButtonEnabled(false);
203						ab.setTitle(R.string.app_name);
204					}
205					invalidateOptionsMenu();
206					hideKeyboard();
207					if (xmppConnectionServiceBound) {
208						xmppConnectionService.getNotificationService()
209								.setOpenConversation(null);
210					}
211					closeContextMenu();
212				}
213
214				@Override
215				public void onPanelClosed(View arg0) {
216					openConversation();
217				}
218
219				@Override
220				public void onPanelSlide(View arg0, float arg1) {
221					// TODO Auto-generated method stub
222
223				}
224			});
225		}
226	}
227
228	public void openConversation() {
229		ActionBar ab = getActionBar();
230		if (ab != null) {
231			ab.setDisplayHomeAsUpEnabled(true);
232			ab.setHomeButtonEnabled(true);
233			if (getSelectedConversation().getMode() == Conversation.MODE_SINGLE
234					|| ConversationActivity.this
235					.useSubjectToIdentifyConference()) {
236				ab.setTitle(getSelectedConversation().getName());
237			} else {
238				ab.setTitle(getSelectedConversation().getContactJid().toBareJid().toString());
239			}
240		}
241		invalidateOptionsMenu();
242		if (xmppConnectionServiceBound) {
243			xmppConnectionService.getNotificationService().setOpenConversation(getSelectedConversation());
244			if (!getSelectedConversation().isRead()) {
245				xmppConnectionService.markRead(getSelectedConversation(), true);
246				listView.invalidateViews();
247			}
248		}
249	}
250
251	@Override
252	public boolean onCreateOptionsMenu(Menu menu) {
253		getMenuInflater().inflate(R.menu.conversations, menu);
254		MenuItem menuSecure = menu.findItem(R.id.action_security);
255		MenuItem menuArchive = menu.findItem(R.id.action_archive);
256		MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
257		MenuItem menuContactDetails = menu
258				.findItem(R.id.action_contact_details);
259		MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
260		MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
261		MenuItem menuAdd = menu.findItem(R.id.action_add);
262		MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
263		MenuItem menuMute = menu.findItem(R.id.action_mute);
264		MenuItem menuUnmute = menu.findItem(R.id.action_unmute);
265
266		if (isConversationsOverviewVisable()
267				&& isConversationsOverviewHideable()) {
268			menuArchive.setVisible(false);
269			menuMucDetails.setVisible(false);
270			menuContactDetails.setVisible(false);
271			menuSecure.setVisible(false);
272			menuInviteContact.setVisible(false);
273			menuAttach.setVisible(false);
274			menuClearHistory.setVisible(false);
275			menuMute.setVisible(false);
276			menuUnmute.setVisible(false);
277		} else {
278			menuAdd.setVisible(!isConversationsOverviewHideable());
279			if (this.getSelectedConversation() != null) {
280				if (this.getSelectedConversation().getLatestMessage()
281						.getEncryption() != Message.ENCRYPTION_NONE) {
282					menuSecure.setIcon(R.drawable.ic_action_secure);
283				}
284				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
285					menuContactDetails.setVisible(false);
286					menuAttach.setVisible(false);
287				} else {
288					menuMucDetails.setVisible(false);
289					menuInviteContact.setVisible(false);
290				}
291				if (this.getSelectedConversation().isMuted()) {
292					menuMute.setVisible(false);
293				} else {
294					menuUnmute.setVisible(false);
295				}
296			}
297		}
298		return true;
299	}
300
301	private void selectPresenceToAttachFile(final int attachmentChoice) {
302		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
303
304			@Override
305			public void onPresenceSelected() {
306				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
307					mPendingImageUri = xmppConnectionService.getFileBackend()
308							.getTakePhotoUri();
309					Intent takePictureIntent = new Intent(
310							MediaStore.ACTION_IMAGE_CAPTURE);
311					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
312							mPendingImageUri);
313					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
314						startActivityForResult(takePictureIntent,
315								REQUEST_IMAGE_CAPTURE);
316					}
317				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
318					Intent attachFileIntent = new Intent();
319					attachFileIntent.setType("image/*");
320					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
321					Intent chooser = Intent.createChooser(attachFileIntent,
322							getString(R.string.attach_file));
323					startActivityForResult(chooser, REQUEST_ATTACH_IMAGE_DIALOG);
324				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_FILE) {
325					Intent attachFileIntent = new Intent();
326					//attachFileIntent.setType("file/*");
327					attachFileIntent.setType("*/*");
328					attachFileIntent.addCategory(Intent.CATEGORY_OPENABLE);
329					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
330					Intent chooser = Intent.createChooser(attachFileIntent,
331							getString(R.string.attach_file));
332					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
333				}
334			}
335		});
336	}
337
338	private void attachFile(final int attachmentChoice) {
339		final Conversation conversation = getSelectedConversation();
340		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
341			if (hasPgp()) {
342				if (conversation.getContact().getPgpKeyId() != 0) {
343					xmppConnectionService.getPgpEngine().hasKey(
344							conversation.getContact(),
345							new UiCallback<Contact>() {
346
347								@Override
348								public void userInputRequried(PendingIntent pi,
349															  Contact contact) {
350									ConversationActivity.this.runIntent(pi,
351											attachmentChoice);
352								}
353
354								@Override
355								public void success(Contact contact) {
356									selectPresenceToAttachFile(attachmentChoice);
357								}
358
359								@Override
360								public void error(int error, Contact contact) {
361									displayErrorDialog(error);
362								}
363							});
364				} else {
365					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
366							.findFragmentByTag("conversation");
367					if (fragment != null) {
368						fragment.showNoPGPKeyDialog(false,
369								new OnClickListener() {
370
371									@Override
372									public void onClick(DialogInterface dialog,
373														int which) {
374										conversation
375												.setNextEncryption(Message.ENCRYPTION_NONE);
376										xmppConnectionService.databaseBackend
377												.updateConversation(conversation);
378										selectPresenceToAttachFile(attachmentChoice);
379									}
380								});
381					}
382				}
383			} else {
384				showInstallPgpDialog();
385			}
386		} else if (getSelectedConversation().getNextEncryption(
387				forceEncryption()) == Message.ENCRYPTION_NONE) {
388			selectPresenceToAttachFile(attachmentChoice);
389		} else {
390			selectPresenceToAttachFile(attachmentChoice);
391		}
392	}
393
394	@Override
395	public boolean onOptionsItemSelected(MenuItem item) {
396		if (item.getItemId() == android.R.id.home) {
397			showConversationsOverview();
398			return true;
399		} else if (item.getItemId() == R.id.action_add) {
400			startActivity(new Intent(this, StartConversationActivity.class));
401			return true;
402		} else if (getSelectedConversation() != null) {
403			switch (item.getItemId()) {
404				case R.id.action_attach_file:
405					attachFileDialog();
406					break;
407				case R.id.action_archive:
408					this.endConversation(getSelectedConversation());
409					break;
410				case R.id.action_contact_details:
411					Contact contact = this.getSelectedConversation().getContact();
412					if (contact.showInRoster()) {
413						switchToContactDetails(contact);
414					} else {
415						showAddToRosterDialog(getSelectedConversation());
416					}
417					break;
418				case R.id.action_muc_details:
419					Intent intent = new Intent(this,
420							ConferenceDetailsActivity.class);
421					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
422					intent.putExtra("uuid", getSelectedConversation().getUuid());
423					startActivity(intent);
424					break;
425				case R.id.action_invite:
426					inviteToConversation(getSelectedConversation());
427					break;
428				case R.id.action_security:
429					selectEncryptionDialog(getSelectedConversation());
430					break;
431				case R.id.action_clear_history:
432					clearHistoryDialog(getSelectedConversation());
433					break;
434				case R.id.action_mute:
435					muteConversationDialog(getSelectedConversation());
436					break;
437				case R.id.action_unmute:
438					unmuteConversation(getSelectedConversation());
439					break;
440				default:
441					break;
442			}
443			return super.onOptionsItemSelected(item);
444		} else {
445			return super.onOptionsItemSelected(item);
446		}
447	}
448
449	public void endConversation(Conversation conversation) {
450		conversation.setStatus(Conversation.STATUS_ARCHIVED);
451		showConversationsOverview();
452		xmppConnectionService.archiveConversation(conversation);
453		if (conversationList.size() > 0) {
454			setSelectedConversation(conversationList.get(0));
455			this.mConversationFragment.reInit(getSelectedConversation());
456		} else {
457			setSelectedConversation(null);
458		}
459	}
460
461	@SuppressLint("InflateParams")
462	protected void clearHistoryDialog(final Conversation conversation) {
463		AlertDialog.Builder builder = new AlertDialog.Builder(this);
464		builder.setTitle(getString(R.string.clear_conversation_history));
465		View dialogView = getLayoutInflater().inflate(
466				R.layout.dialog_clear_history, null);
467		final CheckBox endConversationCheckBox = (CheckBox) dialogView
468				.findViewById(R.id.end_conversation_checkbox);
469		builder.setView(dialogView);
470		builder.setNegativeButton(getString(R.string.cancel), null);
471		builder.setPositiveButton(getString(R.string.delete_messages),
472				new OnClickListener() {
473
474					@Override
475					public void onClick(DialogInterface dialog, int which) {
476						ConversationActivity.this.xmppConnectionService
477								.clearConversationHistory(conversation);
478						if (endConversationCheckBox.isChecked()) {
479							endConversation(conversation);
480						}
481					}
482				});
483		builder.create().show();
484	}
485
486	protected void attachFileDialog() {
487		View menuAttachFile = findViewById(R.id.action_attach_file);
488		if (menuAttachFile == null) {
489			return;
490		}
491		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
492		attachFilePopup.inflate(R.menu.attachment_choices);
493		attachFilePopup
494				.setOnMenuItemClickListener(new OnMenuItemClickListener() {
495
496					@Override
497					public boolean onMenuItemClick(MenuItem item) {
498						switch (item.getItemId()) {
499							case R.id.attach_choose_picture:
500								attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
501								break;
502							case R.id.attach_take_picture:
503								attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
504								break;
505							case R.id.attach_record_voice:
506								attachFile(ATTACHMENT_CHOICE_CHOOSE_FILE);
507								break;
508						}
509						return false;
510					}
511				});
512		attachFilePopup.show();
513	}
514
515	protected void selectEncryptionDialog(final Conversation conversation) {
516		View menuItemView = findViewById(R.id.action_security);
517		if (menuItemView == null) {
518			return;
519		}
520		PopupMenu popup = new PopupMenu(this, menuItemView);
521		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
522				.findFragmentByTag("conversation");
523		if (fragment != null) {
524			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
525
526				@Override
527				public boolean onMenuItemClick(MenuItem item) {
528					switch (item.getItemId()) {
529						case R.id.encryption_choice_none:
530							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
531							item.setChecked(true);
532							break;
533						case R.id.encryption_choice_otr:
534							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
535							item.setChecked(true);
536							break;
537						case R.id.encryption_choice_pgp:
538							if (hasPgp()) {
539								if (conversation.getAccount().getKeys()
540										.has("pgp_signature")) {
541									conversation
542											.setNextEncryption(Message.ENCRYPTION_PGP);
543									item.setChecked(true);
544								} else {
545									announcePgp(conversation.getAccount(),
546											conversation);
547								}
548							} else {
549								showInstallPgpDialog();
550							}
551							break;
552						default:
553							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
554							break;
555					}
556					xmppConnectionService.databaseBackend
557							.updateConversation(conversation);
558					fragment.updateChatMsgHint();
559					return true;
560				}
561			});
562			popup.inflate(R.menu.encryption_choices);
563			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
564			MenuItem none = popup.getMenu().findItem(
565					R.id.encryption_choice_none);
566			if (conversation.getMode() == Conversation.MODE_MULTI) {
567				otr.setEnabled(false);
568			} else {
569				if (forceEncryption()) {
570					none.setVisible(false);
571				}
572			}
573			switch (conversation.getNextEncryption(forceEncryption())) {
574				case Message.ENCRYPTION_NONE:
575					none.setChecked(true);
576					break;
577				case Message.ENCRYPTION_OTR:
578					otr.setChecked(true);
579					break;
580				case Message.ENCRYPTION_PGP:
581					popup.getMenu().findItem(R.id.encryption_choice_pgp)
582							.setChecked(true);
583					break;
584				default:
585					popup.getMenu().findItem(R.id.encryption_choice_none)
586							.setChecked(true);
587					break;
588			}
589			popup.show();
590		}
591	}
592
593	protected void muteConversationDialog(final Conversation conversation) {
594		AlertDialog.Builder builder = new AlertDialog.Builder(this);
595		builder.setTitle(R.string.disable_notifications);
596		final int[] durations = getResources().getIntArray(
597				R.array.mute_options_durations);
598		builder.setItems(R.array.mute_options_descriptions,
599				new OnClickListener() {
600
601					@Override
602					public void onClick(DialogInterface dialog, int which) {
603						long till;
604						if (durations[which] == -1) {
605							till = Long.MAX_VALUE;
606						} else {
607							till = SystemClock.elapsedRealtime()
608									+ (durations[which] * 1000);
609						}
610						conversation.setMutedTill(till);
611						ConversationActivity.this.xmppConnectionService.databaseBackend
612								.updateConversation(conversation);
613						updateConversationList();
614						ConversationActivity.this.mConversationFragment.updateMessages();
615						invalidateOptionsMenu();
616					}
617				});
618		builder.create().show();
619	}
620
621	public void unmuteConversation(final Conversation conversation) {
622		conversation.setMutedTill(0);
623		this.xmppConnectionService.databaseBackend.updateConversation(conversation);
624		updateConversationList();
625		ConversationActivity.this.mConversationFragment.updateMessages();
626		invalidateOptionsMenu();
627	}
628
629	@Override
630	public boolean onKeyDown(final int keyCode, final KeyEvent event) {
631		if (keyCode == KeyEvent.KEYCODE_BACK) {
632			if (!isConversationsOverviewVisable()) {
633				showConversationsOverview();
634				return false;
635			}
636		}
637		return super.onKeyDown(keyCode, event);
638	}
639
640	@Override
641	protected void onNewIntent(final Intent intent) {
642		if (xmppConnectionServiceBound) {
643			if (intent != null && VIEW_CONVERSATION.equals(intent.getType())) {
644				handleViewConversationIntent(intent);
645			}
646		} else {
647			setIntent(intent);
648		}
649	}
650
651	@Override
652	public void onStart() {
653		super.onStart();
654		if (this.xmppConnectionServiceBound) {
655			this.onBackendConnected();
656		}
657		if (conversationList.size() >= 1) {
658			this.onConversationUpdate();
659		}
660	}
661
662	@Override
663	public void onSaveInstanceState(final Bundle savedInstanceState) {
664		Conversation conversation = getSelectedConversation();
665		if (conversation != null) {
666			savedInstanceState.putString(STATE_OPEN_CONVERSATION,
667					conversation.getUuid());
668		}
669		savedInstanceState.putBoolean(STATE_PANEL_OPEN,
670				isConversationsOverviewVisable());
671		if (this.mPendingImageUri != null) {
672			savedInstanceState.putString(STATE_PENDING_URI, this.mPendingImageUri.toString());
673		}
674		super.onSaveInstanceState(savedInstanceState);
675	}
676
677	@Override
678	void onBackendConnected() {
679		updateConversationList();
680		if (xmppConnectionService.getAccounts().size() == 0) {
681			startActivity(new Intent(this, EditAccountActivity.class));
682		} else if (conversationList.size() <= 0) {
683			startActivity(new Intent(this, StartConversationActivity.class));
684			finish();
685		} else if (getIntent() != null
686				&& VIEW_CONVERSATION.equals(getIntent().getType())) {
687			handleViewConversationIntent(getIntent());
688		} else if (mOpenConverstaion != null) {
689			selectConversationByUuid(mOpenConverstaion);
690			if (mPanelOpen) {
691				showConversationsOverview();
692			} else {
693				if (isConversationsOverviewHideable()) {
694					openConversation();
695				}
696			}
697			this.mConversationFragment.reInit(getSelectedConversation());
698			mOpenConverstaion = null;
699		} else if (getSelectedConversation() != null) {
700			this.mConversationFragment.updateMessages();
701		} else {
702			showConversationsOverview();
703			mPendingImageUri = null;
704			mPendingFileUri = null;
705			setSelectedConversation(conversationList.get(0));
706			this.mConversationFragment.reInit(getSelectedConversation());
707		}
708
709		if (mPendingImageUri != null) {
710			attachImageToConversation(getSelectedConversation(),mPendingImageUri);
711			mPendingImageUri = null;
712		} else if (mPendingFileUri != null) {
713			attachFileToConversation(getSelectedConversation(),mPendingFileUri);
714			mPendingFileUri = null;
715		}
716		ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
717		setIntent(new Intent());
718	}
719
720	private void handleViewConversationIntent(Intent intent) {
721		String uuid = (String) intent.getExtras().get(CONVERSATION);
722		String text = intent.getExtras().getString(TEXT, "");
723		String nick = intent.getExtras().getString(NICK,null);
724		selectConversationByUuid(uuid);
725		this.mConversationFragment.reInit(getSelectedConversation());
726		if (nick!=null) {
727			this.mConversationFragment.highlightInConference(nick);
728		} else {
729			this.mConversationFragment.appendText(text);
730		}
731		hideConversationsOverview();
732		if (mContentView instanceof SlidingPaneLayout) {
733			openConversation();
734		}
735	}
736
737	private void selectConversationByUuid(String uuid) {
738        for (Conversation aConversationList : conversationList) {
739            if (aConversationList.getUuid().equals(uuid)) {
740                setSelectedConversation(aConversationList);
741            }
742        }
743	}
744
745	@Override
746	protected void unregisterListeners() {
747		super.unregisterListeners();
748		xmppConnectionService.getNotificationService().setOpenConversation(null);
749	}
750
751	@Override
752	protected void onActivityResult(int requestCode, int resultCode,
753									final Intent data) {
754		super.onActivityResult(requestCode, resultCode, data);
755		if (resultCode == RESULT_OK) {
756			if (requestCode == REQUEST_DECRYPT_PGP) {
757				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
758						.findFragmentByTag("conversation");
759				if (selectedFragment != null) {
760					selectedFragment.hideSnackbar();
761					selectedFragment.updateMessages();
762				}
763			} else if (requestCode == REQUEST_ATTACH_IMAGE_DIALOG) {
764				mPendingImageUri = data.getData();
765				if (xmppConnectionServiceBound) {
766					attachImageToConversation(getSelectedConversation(),
767							mPendingImageUri);
768					mPendingImageUri = null;
769				}
770			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
771				mPendingFileUri = data.getData();
772				if (xmppConnectionServiceBound) {
773					attachFileToConversation(getSelectedConversation(),
774							mPendingFileUri);
775					mPendingFileUri = null;
776				}
777			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
778
779			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
780				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
781			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
782				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
783			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
784				announcePgp(getSelectedConversation().getAccount(),
785						getSelectedConversation());
786			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
787				// encryptTextMessage();
788			} else if (requestCode == REQUEST_IMAGE_CAPTURE && mPendingImageUri != null) {
789				if (xmppConnectionServiceBound) {
790					attachImageToConversation(getSelectedConversation(),
791							mPendingImageUri);
792					mPendingImageUri = null;
793				}
794				Intent intent = new Intent(
795						Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
796				intent.setData(mPendingImageUri);
797				sendBroadcast(intent);
798			}
799		} else {
800			if (requestCode == REQUEST_IMAGE_CAPTURE) {
801				mPendingImageUri = null;
802			}
803		}
804	}
805
806	private void attachFileToConversation(Conversation conversation, Uri uri) {
807		prepareFileToast = Toast.makeText(getApplicationContext(),
808				getText(R.string.preparing_file), Toast.LENGTH_LONG);
809		prepareFileToast.show();
810		xmppConnectionService.attachFileToConversation(conversation,uri, new UiCallback<Message>() {
811			@Override
812			public void success(Message message) {
813				hidePrepareFileToast();
814				xmppConnectionService.sendMessage(message);
815			}
816
817			@Override
818			public void error(int errorCode, Message message) {
819				displayErrorDialog(errorCode);
820			}
821
822			@Override
823			public void userInputRequried(PendingIntent pi, Message message) {
824
825			}
826		});
827	}
828
829	private void attachImageToConversation(Conversation conversation, Uri uri) {
830		prepareFileToast = Toast.makeText(getApplicationContext(),
831				getText(R.string.preparing_image), Toast.LENGTH_LONG);
832		prepareFileToast.show();
833		xmppConnectionService.attachImageToConversation(conversation, uri,
834				new UiCallback<Message>() {
835
836					@Override
837					public void userInputRequried(PendingIntent pi,
838												  Message object) {
839						hidePrepareFileToast();
840						ConversationActivity.this.runIntent(pi,
841								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
842					}
843
844					@Override
845					public void success(Message message) {
846						xmppConnectionService.sendMessage(message);
847					}
848
849					@Override
850					public void error(int error, Message message) {
851						hidePrepareFileToast();
852						displayErrorDialog(error);
853					}
854				});
855	}
856
857	private void hidePrepareFileToast() {
858		if (prepareFileToast != null) {
859			runOnUiThread(new Runnable() {
860
861				@Override
862				public void run() {
863					prepareFileToast.cancel();
864				}
865			});
866		}
867	}
868
869	public void updateConversationList() {
870		xmppConnectionService
871				.populateWithOrderedConversations(conversationList);
872		listAdapter.notifyDataSetChanged();
873	}
874
875	public void runIntent(PendingIntent pi, int requestCode) {
876		try {
877			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
878					null, 0, 0, 0);
879		} catch (final SendIntentException ignored) {
880		}
881	}
882
883	public void encryptTextMessage(Message message) {
884		xmppConnectionService.getPgpEngine().encrypt(message,
885				new UiCallback<Message>() {
886
887					@Override
888					public void userInputRequried(PendingIntent pi,
889												  Message message) {
890						ConversationActivity.this.runIntent(pi,
891								ConversationActivity.REQUEST_SEND_MESSAGE);
892					}
893
894					@Override
895					public void success(Message message) {
896						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
897						xmppConnectionService.sendMessage(message);
898					}
899
900					@Override
901					public void error(int error, Message message) {
902
903					}
904				});
905	}
906
907	public boolean forceEncryption() {
908		return getPreferences().getBoolean("force_encryption", false);
909	}
910
911	public boolean useSendButtonToIndicateStatus() {
912		return getPreferences().getBoolean("send_button_status", false);
913	}
914
915	public boolean indicateReceived() {
916		return getPreferences().getBoolean("indicate_received", false);
917	}
918
919	@Override
920	public void onAccountUpdate() {
921		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
922				.findFragmentByTag("conversation");
923		if (fragment != null) {
924			runOnUiThread(new Runnable() {
925
926				@Override
927				public void run() {
928					fragment.updateMessages();
929				}
930			});
931		}
932	}
933
934	@Override
935	public void onConversationUpdate() {
936		runOnUiThread(new Runnable() {
937
938			@Override
939			public void run() {
940				updateConversationList();
941				if (conversationList.size() == 0) {
942					startActivity(new Intent(getApplicationContext(),
943							StartConversationActivity.class));
944					finish();
945				}
946				ConversationActivity.this.mConversationFragment.updateMessages();
947			}
948		});
949	}
950
951	@Override
952	public void onRosterUpdate() {
953		runOnUiThread(new Runnable() {
954
955				@Override
956				public void run() {
957					ConversationActivity.this.mConversationFragment.updateMessages();
958				}
959			});
960	}
961}