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