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.nfc.NdefMessage;
 14import android.nfc.NdefRecord;
 15import android.nfc.NfcAdapter;
 16import android.nfc.NfcEvent;
 17import android.os.Bundle;
 18import android.os.SystemClock;
 19import android.provider.MediaStore;
 20import android.support.v4.widget.SlidingPaneLayout;
 21import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 22import android.view.KeyEvent;
 23import android.view.Menu;
 24import android.view.MenuItem;
 25import android.view.View;
 26import android.widget.AdapterView;
 27import android.widget.AdapterView.OnItemClickListener;
 28import android.widget.ArrayAdapter;
 29import android.widget.CheckBox;
 30import android.widget.ListView;
 31import android.widget.PopupMenu;
 32import android.widget.PopupMenu.OnMenuItemClickListener;
 33import android.widget.Toast;
 34
 35import java.util.ArrayList;
 36import java.util.List;
 37
 38import eu.siacs.conversations.R;
 39import eu.siacs.conversations.entities.Contact;
 40import eu.siacs.conversations.entities.Conversation;
 41import eu.siacs.conversations.entities.Message;
 42import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
 43import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 44import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
 45import eu.siacs.conversations.ui.adapter.ConversationAdapter;
 46import eu.siacs.conversations.utils.ExceptionHelper;
 47
 48public class ConversationActivity extends XmppActivity implements
 49		OnAccountUpdate, OnConversationUpdate, OnRosterUpdate {
 50
 51	public static final String VIEW_CONVERSATION = "viewConversation";
 52	public static final String CONVERSATION = "conversationUuid";
 53	public static final String TEXT = "text";
 54	public static final String PRESENCE = "eu.siacs.conversations.presence";
 55
 56	public static final int REQUEST_SEND_MESSAGE = 0x0201;
 57	public static final int REQUEST_DECRYPT_PGP = 0x0202;
 58	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x0203;
 59	private static final int REQUEST_IMAGE_CAPTURE = 0x0204;
 60	private static final int REQUEST_RECORD_AUDIO = 0x0205;
 61	private static final int REQUEST_SEND_PGP_IMAGE = 0x0206;
 62	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 63
 64	private static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 65	private static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 66	private static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0303;
 67	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
 68	private static final String STATE_PANEL_OPEN = "state_panel_open";
 69
 70	private String mOpenConverstaion = null;
 71	private boolean mPanelOpen = true;
 72
 73	private View mContentView;
 74
 75	private List<Conversation> conversationList = new ArrayList<Conversation>();
 76	private Conversation selectedConversation = null;
 77	private ListView listView;
 78
 79	private boolean paneShouldBeOpen = true;
 80	private ArrayAdapter<Conversation> listAdapter;
 81
 82	private Toast prepareImageToast;
 83
 84	private Uri pendingImageUri = null;
 85
 86	public List<Conversation> getConversationList() {
 87		return this.conversationList;
 88	}
 89
 90	public Conversation getSelectedConversation() {
 91		return this.selectedConversation;
 92	}
 93
 94	public void setSelectedConversation(Conversation conversation) {
 95		this.selectedConversation = conversation;
 96	}
 97
 98	public ListView getConversationListView() {
 99		return this.listView;
100	}
101
102	public boolean shouldPaneBeOpen() {
103		return paneShouldBeOpen;
104	}
105
106	public void showConversationsOverview() {
107		if (mContentView instanceof SlidingPaneLayout) {
108			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
109			mSlidingPaneLayout.openPane();
110		}
111	}
112
113	@Override
114	protected String getShareableUri() {
115		Conversation conversation = getSelectedConversation();
116		if (conversation!=null) {
117			return "xmpp:"+conversation.getAccount().getJid();
118		} else {
119			return super.getShareableUri();
120		}
121	}
122
123	public void hideConversationsOverview() {
124		if (mContentView instanceof SlidingPaneLayout) {
125			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
126			mSlidingPaneLayout.closePane();
127		}
128	}
129
130	public boolean isConversationsOverviewHideable() {
131		if (mContentView instanceof SlidingPaneLayout) {
132			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
133			return mSlidingPaneLayout.isSlideable();
134		} else {
135			return false;
136		}
137	}
138
139	public boolean isConversationsOverviewVisable() {
140		if (mContentView instanceof SlidingPaneLayout) {
141			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
142			return mSlidingPaneLayout.isOpen();
143		} else {
144			return true;
145		}
146	}
147
148	@Override
149	protected void onCreate(Bundle savedInstanceState) {
150		super.onCreate(savedInstanceState);
151
152		if (savedInstanceState != null) {
153			mOpenConverstaion = savedInstanceState.getString(
154					STATE_OPEN_CONVERSATION, null);
155			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
156		}
157
158		setContentView(R.layout.fragment_conversations_overview);
159
160		listView = (ListView) findViewById(R.id.list);
161
162		getActionBar().setDisplayHomeAsUpEnabled(false);
163		getActionBar().setHomeButtonEnabled(false);
164		this.listAdapter = new ConversationAdapter(this, conversationList);
165		listView.setAdapter(this.listAdapter);
166
167		listView.setOnItemClickListener(new OnItemClickListener() {
168
169			@Override
170			public void onItemClick(AdapterView<?> arg0, View clickedView,
171									int position, long arg3) {
172				paneShouldBeOpen = false;
173				if (getSelectedConversation() != conversationList.get(position)) {
174					setSelectedConversation(conversationList.get(position));
175					swapConversationFragment();
176				} else {
177					hideConversationsOverview();
178				}
179			}
180		});
181		mContentView = findViewById(R.id.content_view_spl);
182		if (mContentView == null) {
183			mContentView = findViewById(R.id.content_view_ll);
184		}
185		if (mContentView instanceof SlidingPaneLayout) {
186			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
187			mSlidingPaneLayout.setParallaxDistance(150);
188			mSlidingPaneLayout
189					.setShadowResource(R.drawable.es_slidingpane_shadow);
190			mSlidingPaneLayout.setSliderFadeColor(0);
191			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
192
193				@Override
194				public void onPanelOpened(View arg0) {
195					paneShouldBeOpen = true;
196					ActionBar ab = getActionBar();
197					if (ab != null) {
198						ab.setDisplayHomeAsUpEnabled(false);
199						ab.setHomeButtonEnabled(false);
200						ab.setTitle(R.string.app_name);
201					}
202					invalidateOptionsMenu();
203					hideKeyboard();
204					if (xmppConnectionServiceBound) {
205						xmppConnectionService.getNotificationService()
206								.setOpenConversation(null);
207					}
208					closeContextMenu();
209				}
210
211				@Override
212				public void onPanelClosed(View arg0) {
213					paneShouldBeOpen = false;
214					if ((conversationList.size() > 0)
215							&& (getSelectedConversation() != null)) {
216						openConversation(getSelectedConversation());
217						if (!getSelectedConversation().isRead()) {
218							xmppConnectionService.markRead(
219									getSelectedConversation(), true);
220							listView.invalidateViews();
221						}
222					}
223				}
224
225				@Override
226				public void onPanelSlide(View arg0, float arg1) {
227					// TODO Auto-generated method stub
228
229				}
230			});
231		}
232	}
233
234	public void openConversation(Conversation conversation) {
235		ActionBar ab = getActionBar();
236		if (ab != null) {
237			ab.setDisplayHomeAsUpEnabled(true);
238			ab.setHomeButtonEnabled(true);
239			if (getSelectedConversation().getMode() == Conversation.MODE_SINGLE
240					|| ConversationActivity.this
241					.useSubjectToIdentifyConference()) {
242				ab.setTitle(getSelectedConversation().getName());
243			} else {
244				ab.setTitle(getSelectedConversation().getContactJid()
245						.split("/")[0]);
246			}
247		}
248		invalidateOptionsMenu();
249		if (xmppConnectionServiceBound) {
250			xmppConnectionService.getNotificationService().setOpenConversation(
251					conversation);
252		}
253	}
254
255	@Override
256	public boolean onCreateOptionsMenu(Menu menu) {
257		getMenuInflater().inflate(R.menu.conversations, menu);
258		MenuItem menuSecure = menu.findItem(R.id.action_security);
259		MenuItem menuArchive = menu.findItem(R.id.action_archive);
260		MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
261		MenuItem menuContactDetails = menu
262				.findItem(R.id.action_contact_details);
263		MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
264		MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
265		MenuItem menuAdd = menu.findItem(R.id.action_add);
266		MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
267		MenuItem menuMute = menu.findItem(R.id.action_mute);
268
269		if (isConversationsOverviewVisable()
270				&& isConversationsOverviewHideable()) {
271			menuArchive.setVisible(false);
272			menuMucDetails.setVisible(false);
273			menuContactDetails.setVisible(false);
274			menuSecure.setVisible(false);
275			menuInviteContact.setVisible(false);
276			menuAttach.setVisible(false);
277			menuClearHistory.setVisible(false);
278			menuMute.setVisible(false);
279		} else {
280			menuAdd.setVisible(!isConversationsOverviewHideable());
281			if (this.getSelectedConversation() != null) {
282				if (this.getSelectedConversation().getLatestMessage()
283						.getEncryption() != Message.ENCRYPTION_NONE) {
284					menuSecure.setIcon(R.drawable.ic_action_secure);
285				}
286				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
287					menuContactDetails.setVisible(false);
288					menuAttach.setVisible(false);
289				} else {
290					menuMucDetails.setVisible(false);
291					menuInviteContact.setVisible(false);
292				}
293			}
294		}
295		return true;
296	}
297
298	private void selectPresenceToAttachFile(final int attachmentChoice) {
299		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
300
301			@Override
302			public void onPresenceSelected() {
303				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
304					pendingImageUri = xmppConnectionService.getFileBackend()
305							.getTakePhotoUri();
306					Intent takePictureIntent = new Intent(
307							MediaStore.ACTION_IMAGE_CAPTURE);
308					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
309							pendingImageUri);
310					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
311						startActivityForResult(takePictureIntent,
312								REQUEST_IMAGE_CAPTURE);
313					}
314				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
315					Intent attachFileIntent = new Intent();
316					attachFileIntent.setType("image/*");
317					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
318					Intent chooser = Intent.createChooser(attachFileIntent,
319							getString(R.string.attach_file));
320					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
321				} else if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
322					Intent intent = new Intent(
323							MediaStore.Audio.Media.RECORD_SOUND_ACTION);
324					startActivityForResult(intent, REQUEST_RECORD_AUDIO);
325				}
326			}
327		});
328	}
329
330	private void attachFile(final int attachmentChoice) {
331		final Conversation conversation = getSelectedConversation();
332		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
333			if (hasPgp()) {
334				if (conversation.getContact().getPgpKeyId() != 0) {
335					xmppConnectionService.getPgpEngine().hasKey(
336							conversation.getContact(),
337							new UiCallback<Contact>() {
338
339								@Override
340								public void userInputRequried(PendingIntent pi,
341															  Contact contact) {
342									ConversationActivity.this.runIntent(pi,
343											attachmentChoice);
344								}
345
346								@Override
347								public void success(Contact contact) {
348									selectPresenceToAttachFile(attachmentChoice);
349								}
350
351								@Override
352								public void error(int error, Contact contact) {
353									displayErrorDialog(error);
354								}
355							});
356				} else {
357					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
358							.findFragmentByTag("conversation");
359					if (fragment != null) {
360						fragment.showNoPGPKeyDialog(false,
361								new OnClickListener() {
362
363									@Override
364									public void onClick(DialogInterface dialog,
365														int which) {
366										conversation
367												.setNextEncryption(Message.ENCRYPTION_NONE);
368										xmppConnectionService.databaseBackend
369												.updateConversation(conversation);
370										selectPresenceToAttachFile(attachmentChoice);
371									}
372								});
373					}
374				}
375			} else {
376				showInstallPgpDialog();
377			}
378		} else if (getSelectedConversation().getNextEncryption(
379				forceEncryption()) == Message.ENCRYPTION_NONE) {
380			selectPresenceToAttachFile(attachmentChoice);
381		} else {
382			selectPresenceToAttachFile(attachmentChoice);
383		}
384	}
385
386	@Override
387	public boolean onOptionsItemSelected(MenuItem item) {
388		if (item.getItemId() == android.R.id.home) {
389			showConversationsOverview();
390			return true;
391		} else if (item.getItemId() == R.id.action_add) {
392			startActivity(new Intent(this, StartConversationActivity.class));
393			return true;
394		} else if (getSelectedConversation() != null) {
395			switch (item.getItemId()) {
396				case R.id.action_attach_file:
397					attachFileDialog();
398					break;
399				case R.id.action_archive:
400					this.endConversation(getSelectedConversation());
401					break;
402				case R.id.action_contact_details:
403					Contact contact = this.getSelectedConversation().getContact();
404					if (contact.showInRoster()) {
405						switchToContactDetails(contact);
406					} else {
407						showAddToRosterDialog(getSelectedConversation());
408					}
409					break;
410				case R.id.action_muc_details:
411					Intent intent = new Intent(this,
412							ConferenceDetailsActivity.class);
413					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
414					intent.putExtra("uuid", getSelectedConversation().getUuid());
415					startActivity(intent);
416					break;
417				case R.id.action_invite:
418					inviteToConversation(getSelectedConversation());
419					break;
420				case R.id.action_security:
421					selectEncryptionDialog(getSelectedConversation());
422					break;
423				case R.id.action_clear_history:
424					clearHistoryDialog(getSelectedConversation());
425					break;
426				case R.id.action_mute:
427					muteConversationDialog(getSelectedConversation());
428					break;
429				default:
430					break;
431			}
432			return super.onOptionsItemSelected(item);
433		} else {
434			return super.onOptionsItemSelected(item);
435		}
436	}
437
438	public void endConversation(Conversation conversation) {
439		conversation.setStatus(Conversation.STATUS_ARCHIVED);
440		paneShouldBeOpen = true;
441		showConversationsOverview();
442		xmppConnectionService.archiveConversation(conversation);
443		if (conversationList.size() > 0) {
444			setSelectedConversation(conversationList.get(0));
445		} else {
446			setSelectedConversation(null);
447		}
448	}
449
450	@SuppressLint("InflateParams")
451	protected void clearHistoryDialog(final Conversation conversation) {
452		AlertDialog.Builder builder = new AlertDialog.Builder(this);
453		builder.setTitle(getString(R.string.clear_conversation_history));
454		View dialogView = getLayoutInflater().inflate(
455				R.layout.dialog_clear_history, null);
456		final CheckBox endConversationCheckBox = (CheckBox) dialogView
457				.findViewById(R.id.end_conversation_checkbox);
458		builder.setView(dialogView);
459		builder.setNegativeButton(getString(R.string.cancel), null);
460		builder.setPositiveButton(getString(R.string.delete_messages),
461				new OnClickListener() {
462
463					@Override
464					public void onClick(DialogInterface dialog, int which) {
465						ConversationActivity.this.xmppConnectionService
466								.clearConversationHistory(conversation);
467						if (endConversationCheckBox.isChecked()) {
468							endConversation(conversation);
469						}
470					}
471				});
472		builder.create().show();
473	}
474
475	protected void attachFileDialog() {
476		View menuAttachFile = findViewById(R.id.action_attach_file);
477		if (menuAttachFile == null) {
478			return;
479		}
480		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
481		attachFilePopup.inflate(R.menu.attachment_choices);
482		attachFilePopup
483				.setOnMenuItemClickListener(new OnMenuItemClickListener() {
484
485					@Override
486					public boolean onMenuItemClick(MenuItem item) {
487						switch (item.getItemId()) {
488							case R.id.attach_choose_picture:
489								attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
490								break;
491							case R.id.attach_take_picture:
492								attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
493								break;
494							case R.id.attach_record_voice:
495								attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
496								break;
497						}
498						return false;
499					}
500				});
501		attachFilePopup.show();
502	}
503
504	protected void selectEncryptionDialog(final Conversation conversation) {
505		View menuItemView = findViewById(R.id.action_security);
506		if (menuItemView == null) {
507			return;
508		}
509		PopupMenu popup = new PopupMenu(this, menuItemView);
510		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
511				.findFragmentByTag("conversation");
512		if (fragment != null) {
513			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
514
515				@Override
516				public boolean onMenuItemClick(MenuItem item) {
517					switch (item.getItemId()) {
518						case R.id.encryption_choice_none:
519							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
520							item.setChecked(true);
521							break;
522						case R.id.encryption_choice_otr:
523							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
524							item.setChecked(true);
525							break;
526						case R.id.encryption_choice_pgp:
527							if (hasPgp()) {
528								if (conversation.getAccount().getKeys()
529										.has("pgp_signature")) {
530									conversation
531											.setNextEncryption(Message.ENCRYPTION_PGP);
532									item.setChecked(true);
533								} else {
534									announcePgp(conversation.getAccount(),
535											conversation);
536								}
537							} else {
538								showInstallPgpDialog();
539							}
540							break;
541						default:
542							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
543							break;
544					}
545					xmppConnectionService.databaseBackend
546							.updateConversation(conversation);
547					fragment.updateChatMsgHint();
548					return true;
549				}
550			});
551			popup.inflate(R.menu.encryption_choices);
552			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
553			MenuItem none = popup.getMenu().findItem(
554					R.id.encryption_choice_none);
555			if (conversation.getMode() == Conversation.MODE_MULTI) {
556				otr.setEnabled(false);
557			} else {
558				if (forceEncryption()) {
559					none.setVisible(false);
560				}
561			}
562			switch (conversation.getNextEncryption(forceEncryption())) {
563				case Message.ENCRYPTION_NONE:
564					none.setChecked(true);
565					break;
566				case Message.ENCRYPTION_OTR:
567					otr.setChecked(true);
568					break;
569				case Message.ENCRYPTION_PGP:
570					popup.getMenu().findItem(R.id.encryption_choice_pgp)
571							.setChecked(true);
572					break;
573				default:
574					popup.getMenu().findItem(R.id.encryption_choice_none)
575							.setChecked(true);
576					break;
577			}
578			popup.show();
579		}
580	}
581
582	protected void muteConversationDialog(final Conversation conversation) {
583		AlertDialog.Builder builder = new AlertDialog.Builder(this);
584		builder.setTitle(R.string.disable_notifications_for_this_conversation);
585		final int[] durations = getResources().getIntArray(
586				R.array.mute_options_durations);
587		builder.setItems(R.array.mute_options_descriptions,
588				new OnClickListener() {
589
590					@Override
591					public void onClick(DialogInterface dialog, int which) {
592						long till;
593						if (durations[which] == -1) {
594							till = Long.MAX_VALUE;
595						} else {
596							till = SystemClock.elapsedRealtime()
597									+ (durations[which] * 1000);
598						}
599						conversation.setMutedTill(till);
600						ConversationActivity.this.xmppConnectionService.databaseBackend
601								.updateConversation(conversation);
602						ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
603								.findFragmentByTag("conversation");
604						if (selectedFragment != null) {
605							selectedFragment.updateMessages();
606						}
607					}
608				});
609		builder.create().show();
610	}
611
612	protected ConversationFragment swapConversationFragment() {
613		ConversationFragment selectedFragment = new ConversationFragment();
614		if (!isFinishing()) {
615
616			FragmentTransaction transaction = getFragmentManager()
617					.beginTransaction();
618			transaction.replace(R.id.selected_conversation, selectedFragment,
619					"conversation");
620			try {
621				transaction.commitAllowingStateLoss();
622			} catch (IllegalStateException e) {
623				return selectedFragment;
624			}
625		}
626		return selectedFragment;
627	}
628
629	@Override
630	public boolean onKeyDown(int keyCode, 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(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 onResume() {
664		super.onResume();
665		this.registerNdefPushMessageCallback();
666	}
667
668	@Override
669	public void onPause() {
670		super.onPause();
671		this.unregisterNdefPushMessageCallback();
672	}
673
674	@Override
675	protected void onStop() {
676		if (xmppConnectionServiceBound) {
677			xmppConnectionService.removeOnConversationListChangedListener();
678			xmppConnectionService.removeOnAccountListChangedListener();
679			xmppConnectionService.removeOnRosterUpdateListener();
680			xmppConnectionService.getNotificationService().setOpenConversation(
681					null);
682		}
683		super.onStop();
684	}
685
686	@Override
687	public void onSaveInstanceState(Bundle savedInstanceState) {
688		Conversation conversation = getSelectedConversation();
689		if (conversation != null) {
690			savedInstanceState.putString(STATE_OPEN_CONVERSATION,
691					conversation.getUuid());
692		}
693		savedInstanceState.putBoolean(STATE_PANEL_OPEN,
694				isConversationsOverviewVisable());
695		super.onSaveInstanceState(savedInstanceState);
696	}
697
698	@Override
699	void onBackendConnected() {
700		this.registerListener();
701		updateConversationList();
702
703		if (xmppConnectionService.getAccounts().size() == 0) {
704			startActivity(new Intent(this, EditAccountActivity.class));
705		} else if (conversationList.size() <= 0) {
706			startActivity(new Intent(this, StartConversationActivity.class));
707			finish();
708		} else if (getIntent() != null
709				&& VIEW_CONVERSATION.equals(getIntent().getType())) {
710			handleViewConversationIntent(getIntent());
711			setIntent(null);
712		} else if (mOpenConverstaion != null) {
713			selectConversationByUuid(mOpenConverstaion);
714			paneShouldBeOpen = mPanelOpen;
715			if (paneShouldBeOpen) {
716				showConversationsOverview();
717			}
718			swapConversationFragment();
719			mOpenConverstaion = null;
720		} else {
721			showConversationsOverview();
722			ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
723					.findFragmentByTag("conversation");
724			if (selectedFragment != null) {
725				selectedFragment.onBackendConnected();
726			} else {
727				pendingImageUri = null;
728				setSelectedConversation(conversationList.get(0));
729				swapConversationFragment();
730			}
731		}
732
733		if (pendingImageUri != null) {
734			attachImageToConversation(getSelectedConversation(),
735					pendingImageUri);
736			pendingImageUri = null;
737		}
738		ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
739	}
740
741	private void handleViewConversationIntent(Intent intent) {
742		String uuid = (String) intent.getExtras().get(CONVERSATION);
743		String text = intent.getExtras().getString(TEXT, null);
744		selectConversationByUuid(uuid);
745		paneShouldBeOpen = false;
746		swapConversationFragment().setText(text);
747	}
748
749	private void selectConversationByUuid(String uuid) {
750		for (int i = 0; i < conversationList.size(); ++i) {
751			if (conversationList.get(i).getUuid().equals(uuid)) {
752				setSelectedConversation(conversationList.get(i));
753			}
754		}
755	}
756
757	public void registerListener() {
758		xmppConnectionService.setOnConversationListChangedListener(this);
759		xmppConnectionService.setOnAccountListChangedListener(this);
760		xmppConnectionService.setOnRosterUpdateListener(this);
761	}
762
763	@Override
764	protected void onActivityResult(int requestCode, int resultCode,
765									final Intent data) {
766		super.onActivityResult(requestCode, resultCode, data);
767		if (resultCode == RESULT_OK) {
768			if (requestCode == REQUEST_DECRYPT_PGP) {
769				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
770						.findFragmentByTag("conversation");
771				if (selectedFragment != null) {
772					selectedFragment.hideSnackbar();
773					selectedFragment.updateMessages();
774				}
775			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
776				pendingImageUri = data.getData();
777				if (xmppConnectionServiceBound) {
778					attachImageToConversation(getSelectedConversation(),
779							pendingImageUri);
780					pendingImageUri = null;
781				}
782			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
783
784			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
785				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
786			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
787				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
788			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
789				announcePgp(getSelectedConversation().getAccount(),
790						getSelectedConversation());
791			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
792				// encryptTextMessage();
793			} else if (requestCode == REQUEST_IMAGE_CAPTURE) {
794				if (xmppConnectionServiceBound) {
795					attachImageToConversation(getSelectedConversation(),
796							pendingImageUri);
797					pendingImageUri = null;
798				}
799				Intent intent = new Intent(
800						Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
801				intent.setData(pendingImageUri);
802				sendBroadcast(intent);
803			} else if (requestCode == REQUEST_RECORD_AUDIO) {
804				attachAudioToConversation(getSelectedConversation(),
805						data.getData());
806			}
807		} else {
808			if (requestCode == REQUEST_IMAGE_CAPTURE) {
809				pendingImageUri = null;
810			}
811		}
812	}
813
814	private void attachAudioToConversation(Conversation conversation, Uri uri) {
815
816	}
817
818	private void attachImageToConversation(Conversation conversation, Uri uri) {
819		prepareImageToast = Toast.makeText(getApplicationContext(),
820				getText(R.string.preparing_image), Toast.LENGTH_LONG);
821		prepareImageToast.show();
822		xmppConnectionService.attachImageToConversation(conversation, uri,
823				new UiCallback<Message>() {
824
825					@Override
826					public void userInputRequried(PendingIntent pi,
827												  Message object) {
828						hidePrepareImageToast();
829						ConversationActivity.this.runIntent(pi,
830								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
831					}
832
833					@Override
834					public void success(Message message) {
835						xmppConnectionService.sendMessage(message);
836					}
837
838					@Override
839					public void error(int error, Message message) {
840						hidePrepareImageToast();
841						displayErrorDialog(error);
842					}
843				});
844	}
845
846	private void hidePrepareImageToast() {
847		if (prepareImageToast != null) {
848			runOnUiThread(new Runnable() {
849
850				@Override
851				public void run() {
852					prepareImageToast.cancel();
853				}
854			});
855		}
856	}
857
858	public void updateConversationList() {
859		xmppConnectionService
860				.populateWithOrderedConversations(conversationList);
861		listAdapter.notifyDataSetChanged();
862	}
863
864	public void runIntent(PendingIntent pi, int requestCode) {
865		try {
866			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
867					null, 0, 0, 0);
868		} catch (SendIntentException e1) {
869		}
870	}
871
872	public void encryptTextMessage(Message message) {
873		xmppConnectionService.getPgpEngine().encrypt(message,
874				new UiCallback<Message>() {
875
876					@Override
877					public void userInputRequried(PendingIntent pi,
878												  Message message) {
879						ConversationActivity.this.runIntent(pi,
880								ConversationActivity.REQUEST_SEND_MESSAGE);
881					}
882
883					@Override
884					public void success(Message message) {
885						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
886						xmppConnectionService.sendMessage(message);
887					}
888
889					@Override
890					public void error(int error, Message message) {
891
892					}
893				});
894	}
895
896	public boolean forceEncryption() {
897		return getPreferences().getBoolean("force_encryption", false);
898	}
899
900	public boolean useSendButtonToIndicateStatus() {
901		return getPreferences().getBoolean("send_button_status", false);
902	}
903
904	public boolean indicateReceived() {
905		return getPreferences().getBoolean("indicate_received", false);
906	}
907
908	@Override
909	public void onAccountUpdate() {
910		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
911				.findFragmentByTag("conversation");
912		if (fragment != null) {
913			runOnUiThread(new Runnable() {
914
915				@Override
916				public void run() {
917					fragment.updateMessages();
918				}
919			});
920		}
921	}
922
923	@Override
924	public void onConversationUpdate() {
925		runOnUiThread(new Runnable() {
926
927			@Override
928			public void run() {
929				updateConversationList();
930				if (paneShouldBeOpen) {
931					if (conversationList.size() >= 1) {
932						swapConversationFragment();
933					} else {
934						startActivity(new Intent(getApplicationContext(),
935								StartConversationActivity.class));
936						finish();
937					}
938				}
939				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
940						.findFragmentByTag("conversation");
941				if (selectedFragment != null) {
942					selectedFragment.updateMessages();
943				}
944			}
945		});
946	}
947
948	@Override
949	public void onRosterUpdate() {
950		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
951				.findFragmentByTag("conversation");
952		if (fragment != null) {
953			runOnUiThread(new Runnable() {
954
955				@Override
956				public void run() {
957					fragment.updateMessages();
958				}
959			});
960		}
961	}
962}