ConversationActivity.java

  1package eu.siacs.conversations.ui;
  2
  3import java.util.ArrayList;
  4import java.util.List;
  5
  6import eu.siacs.conversations.R;
  7import eu.siacs.conversations.entities.Contact;
  8import eu.siacs.conversations.entities.Conversation;
  9import eu.siacs.conversations.entities.Message;
 10import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
 11import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 12import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
 13import eu.siacs.conversations.ui.adapter.ConversationAdapter;
 14import eu.siacs.conversations.utils.ExceptionHelper;
 15import android.net.Uri;
 16import android.os.Bundle;
 17import android.os.SystemClock;
 18import android.provider.MediaStore;
 19import android.annotation.SuppressLint;
 20import android.app.ActionBar;
 21import android.app.AlertDialog;
 22import android.app.FragmentTransaction;
 23import android.app.PendingIntent;
 24import android.content.DialogInterface;
 25import android.content.DialogInterface.OnClickListener;
 26import android.content.IntentSender.SendIntentException;
 27import android.content.Intent;
 28import android.support.v4.widget.SlidingPaneLayout;
 29import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 30import android.view.KeyEvent;
 31import android.view.Menu;
 32import android.view.MenuItem;
 33import android.view.View;
 34import android.widget.AdapterView;
 35import android.widget.AdapterView.OnItemClickListener;
 36import android.widget.ArrayAdapter;
 37import android.widget.CheckBox;
 38import android.widget.ListView;
 39import android.widget.PopupMenu;
 40import android.widget.PopupMenu.OnMenuItemClickListener;
 41import android.widget.Toast;
 42
 43public class ConversationActivity extends XmppActivity implements
 44		OnAccountUpdate, OnConversationUpdate, OnRosterUpdate {
 45
 46	public static final String VIEW_CONVERSATION = "viewConversation";
 47	public static final String CONVERSATION = "conversationUuid";
 48	public static final String TEXT = "text";
 49	public static final String PRESENCE = "eu.siacs.conversations.presence";
 50
 51	public static final int REQUEST_SEND_MESSAGE = 0x0201;
 52	public static final int REQUEST_DECRYPT_PGP = 0x0202;
 53	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x0203;
 54	private static final int REQUEST_IMAGE_CAPTURE = 0x0204;
 55	private static final int REQUEST_RECORD_AUDIO = 0x0205;
 56	private static final int REQUEST_SEND_PGP_IMAGE = 0x0206;
 57	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 58
 59	private static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x0301;
 60	private static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x0302;
 61	private static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x0303;
 62	private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
 63	private static final String STATE_PANEL_OPEN = "state_panel_open";
 64
 65	private String mOpenConverstaion = null;
 66	private boolean mPanelOpen = true;
 67
 68	private View mContentView;
 69
 70	private List<Conversation> conversationList = new ArrayList<Conversation>();
 71	private Conversation selectedConversation = null;
 72	private ListView listView;
 73
 74	private boolean paneShouldBeOpen = true;
 75	private ArrayAdapter<Conversation> listAdapter;
 76
 77	private Toast prepareImageToast;
 78
 79	private Uri pendingImageUri = null;
 80
 81	public List<Conversation> getConversationList() {
 82		return this.conversationList;
 83	}
 84
 85	public Conversation getSelectedConversation() {
 86		return this.selectedConversation;
 87	}
 88
 89	public void setSelectedConversation(Conversation conversation) {
 90		this.selectedConversation = conversation;
 91	}
 92
 93	public ListView getConversationListView() {
 94		return this.listView;
 95	}
 96
 97	public boolean shouldPaneBeOpen() {
 98		return paneShouldBeOpen;
 99	}
100
101	public void showConversationsOverview() {
102		if (mContentView instanceof SlidingPaneLayout) {
103			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
104			mSlidingPaneLayout.openPane();
105		}
106	}
107
108	public void hideConversationsOverview() {
109		if (mContentView instanceof SlidingPaneLayout) {
110			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
111			mSlidingPaneLayout.closePane();
112		}
113	}
114
115	public boolean isConversationsOverviewHideable() {
116		if (mContentView instanceof SlidingPaneLayout) {
117			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
118			return mSlidingPaneLayout.isSlideable();
119		} else {
120			return false;
121		}
122	}
123
124	public boolean isConversationsOverviewVisable() {
125		if (mContentView instanceof SlidingPaneLayout) {
126			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
127			return mSlidingPaneLayout.isOpen();
128		} else {
129			return true;
130		}
131	}
132
133	@Override
134	protected void onCreate(Bundle savedInstanceState) {
135		super.onCreate(savedInstanceState);
136
137		if (savedInstanceState != null) {
138			mOpenConverstaion = savedInstanceState.getString(
139					STATE_OPEN_CONVERSATION, null);
140			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
141		}
142
143		setContentView(R.layout.fragment_conversations_overview);
144
145		listView = (ListView) findViewById(R.id.list);
146
147		getActionBar().setDisplayHomeAsUpEnabled(false);
148		getActionBar().setHomeButtonEnabled(false);
149
150		this.listAdapter = new ConversationAdapter(this, conversationList);
151		listView.setAdapter(this.listAdapter);
152
153		listView.setOnItemClickListener(new OnItemClickListener() {
154
155			@Override
156			public void onItemClick(AdapterView<?> arg0, View clickedView,
157					int position, long arg3) {
158				paneShouldBeOpen = false;
159				if (getSelectedConversation() != conversationList.get(position)) {
160					setSelectedConversation(conversationList.get(position));
161					swapConversationFragment();
162				} else {
163					hideConversationsOverview();
164				}
165			}
166		});
167		mContentView = findViewById(R.id.content_view_spl);
168		if (mContentView == null) {
169			mContentView = findViewById(R.id.content_view_ll);
170		}
171		if (mContentView instanceof SlidingPaneLayout) {
172			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
173			mSlidingPaneLayout.setParallaxDistance(150);
174			mSlidingPaneLayout
175					.setShadowResource(R.drawable.es_slidingpane_shadow);
176			mSlidingPaneLayout.setSliderFadeColor(0);
177			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
178
179				@Override
180				public void onPanelOpened(View arg0) {
181					paneShouldBeOpen = true;
182					ActionBar ab = getActionBar();
183					if (ab != null) {
184						ab.setDisplayHomeAsUpEnabled(false);
185						ab.setHomeButtonEnabled(false);
186						ab.setTitle(R.string.app_name);
187					}
188					invalidateOptionsMenu();
189					hideKeyboard();
190					if (xmppConnectionServiceBound) {
191						xmppConnectionService.getNotificationService()
192								.setOpenConversation(null);
193					}
194				}
195
196				@Override
197				public void onPanelClosed(View arg0) {
198					paneShouldBeOpen = false;
199					if ((conversationList.size() > 0)
200							&& (getSelectedConversation() != null)) {
201						openConversation(getSelectedConversation());
202						if (!getSelectedConversation().isRead()) {
203							xmppConnectionService.markRead(
204									getSelectedConversation(), true);
205							listView.invalidateViews();
206						}
207					}
208				}
209
210				@Override
211				public void onPanelSlide(View arg0, float arg1) {
212					// TODO Auto-generated method stub
213
214				}
215			});
216		}
217	}
218
219	public void openConversation(Conversation conversation) {
220		ActionBar ab = getActionBar();
221		if (ab != null) {
222			ab.setDisplayHomeAsUpEnabled(true);
223			ab.setHomeButtonEnabled(true);
224			if (getSelectedConversation().getMode() == Conversation.MODE_SINGLE
225					|| ConversationActivity.this.useSubjectToIdentifyConference()) {
226				ab.setTitle(getSelectedConversation().getName());
227			} else {
228				ab.setTitle(getSelectedConversation().getContactJid()
229						.split("/")[0]);
230			}
231		}
232		invalidateOptionsMenu();
233		if (xmppConnectionServiceBound) {
234			xmppConnectionService.getNotificationService().setOpenConversation(
235					conversation);
236		}
237	}
238
239	@Override
240	public boolean onCreateOptionsMenu(Menu menu) {
241		getMenuInflater().inflate(R.menu.conversations, menu);
242		MenuItem menuSecure = (MenuItem) menu.findItem(R.id.action_security);
243		MenuItem menuArchive = (MenuItem) menu.findItem(R.id.action_archive);
244		MenuItem menuMucDetails = (MenuItem) menu
245				.findItem(R.id.action_muc_details);
246		MenuItem menuContactDetails = (MenuItem) menu
247				.findItem(R.id.action_contact_details);
248		MenuItem menuAttach = (MenuItem) menu.findItem(R.id.action_attach_file);
249		MenuItem menuClearHistory = (MenuItem) menu
250				.findItem(R.id.action_clear_history);
251		MenuItem menuAdd = (MenuItem) menu.findItem(R.id.action_add);
252		MenuItem menuInviteContact = (MenuItem) menu
253				.findItem(R.id.action_invite);
254		MenuItem menuMute = (MenuItem) menu.findItem(R.id.action_mute);
255
256		if (isConversationsOverviewVisable()
257				&& isConversationsOverviewHideable()) {
258			menuArchive.setVisible(false);
259			menuMucDetails.setVisible(false);
260			menuContactDetails.setVisible(false);
261			menuSecure.setVisible(false);
262			menuInviteContact.setVisible(false);
263			menuAttach.setVisible(false);
264			menuClearHistory.setVisible(false);
265			menuMute.setVisible(false);
266		} else {
267			menuAdd.setVisible(!isConversationsOverviewHideable());
268			if (this.getSelectedConversation() != null) {
269				if (this.getSelectedConversation().getLatestMessage()
270						.getEncryption() != Message.ENCRYPTION_NONE) {
271					menuSecure.setIcon(R.drawable.ic_action_secure);
272				}
273				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
274					menuContactDetails.setVisible(false);
275					menuAttach.setVisible(false);
276				} else {
277					menuMucDetails.setVisible(false);
278					menuInviteContact.setVisible(false);
279				}
280			}
281		}
282		return true;
283	}
284
285	private void selectPresenceToAttachFile(final int attachmentChoice) {
286		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
287
288			@Override
289			public void onPresenceSelected() {
290				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
291					pendingImageUri = xmppConnectionService.getFileBackend()
292							.getTakePhotoUri();
293					Intent takePictureIntent = new Intent(
294							MediaStore.ACTION_IMAGE_CAPTURE);
295					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
296							pendingImageUri);
297					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
298						startActivityForResult(takePictureIntent,
299								REQUEST_IMAGE_CAPTURE);
300					}
301				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
302					Intent attachFileIntent = new Intent();
303					attachFileIntent.setType("image/*");
304					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
305					Intent chooser = Intent.createChooser(attachFileIntent,
306							getString(R.string.attach_file));
307					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
308				} else if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
309					Intent intent = new Intent(
310							MediaStore.Audio.Media.RECORD_SOUND_ACTION);
311					startActivityForResult(intent, REQUEST_RECORD_AUDIO);
312				}
313			}
314		});
315	}
316
317	private void attachFile(final int attachmentChoice) {
318		final Conversation conversation = getSelectedConversation();
319		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
320			if (hasPgp()) {
321				if (conversation.getContact().getPgpKeyId() != 0) {
322					xmppConnectionService.getPgpEngine().hasKey(
323							conversation.getContact(),
324							new UiCallback<Contact>() {
325
326								@Override
327								public void userInputRequried(PendingIntent pi,
328										Contact contact) {
329									ConversationActivity.this.runIntent(pi,
330											attachmentChoice);
331								}
332
333								@Override
334								public void success(Contact contact) {
335									selectPresenceToAttachFile(attachmentChoice);
336								}
337
338								@Override
339								public void error(int error, Contact contact) {
340									displayErrorDialog(error);
341								}
342							});
343				} else {
344					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
345							.findFragmentByTag("conversation");
346					if (fragment != null) {
347						fragment.showNoPGPKeyDialog(false,
348								new OnClickListener() {
349
350									@Override
351									public void onClick(DialogInterface dialog,
352											int which) {
353										conversation
354												.setNextEncryption(Message.ENCRYPTION_NONE);
355										xmppConnectionService.databaseBackend
356												.updateConversation(conversation);
357										selectPresenceToAttachFile(attachmentChoice);
358									}
359								});
360					}
361				}
362			} else {
363				showInstallPgpDialog();
364			}
365		} else if (getSelectedConversation().getNextEncryption(
366				forceEncryption()) == Message.ENCRYPTION_NONE) {
367			selectPresenceToAttachFile(attachmentChoice);
368		} else {
369			selectPresenceToAttachFile(attachmentChoice);
370		}
371	}
372
373	@Override
374	public boolean onOptionsItemSelected(MenuItem item) {
375		if (item.getItemId() == android.R.id.home) {
376			showConversationsOverview();
377			return true;
378		} else if (item.getItemId() == R.id.action_add) {
379			startActivity(new Intent(this, StartConversationActivity.class));
380			return true;
381		} else if (getSelectedConversation() != null) {
382			switch (item.getItemId()) {
383			case R.id.action_attach_file:
384				attachFileDialog();
385				break;
386			case R.id.action_archive:
387				this.endConversation(getSelectedConversation());
388				break;
389			case R.id.action_contact_details:
390				Contact contact = this.getSelectedConversation().getContact();
391				if (contact.showInRoster()) {
392					switchToContactDetails(contact);
393				} else {
394					showAddToRosterDialog(getSelectedConversation());
395				}
396				break;
397			case R.id.action_muc_details:
398				Intent intent = new Intent(this,
399						ConferenceDetailsActivity.class);
400				intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
401				intent.putExtra("uuid", getSelectedConversation().getUuid());
402				startActivity(intent);
403				break;
404			case R.id.action_invite:
405				inviteToConversation(getSelectedConversation());
406				break;
407			case R.id.action_security:
408				selectEncryptionDialog(getSelectedConversation());
409				break;
410			case R.id.action_clear_history:
411				clearHistoryDialog(getSelectedConversation());
412				break;
413			case R.id.action_mute:
414				muteConversationDialog(getSelectedConversation());
415				break;
416			default:
417				break;
418			}
419			return super.onOptionsItemSelected(item);
420		} else {
421			return super.onOptionsItemSelected(item);
422		}
423	}
424
425	public void endConversation(Conversation conversation) {
426		conversation.setStatus(Conversation.STATUS_ARCHIVED);
427		paneShouldBeOpen = true;
428		showConversationsOverview();
429		xmppConnectionService.archiveConversation(conversation);
430		if (conversationList.size() > 0) {
431			setSelectedConversation(conversationList.get(0));
432		} else {
433			setSelectedConversation(null);
434		}
435	}
436
437	@SuppressLint("InflateParams")
438	protected void clearHistoryDialog(final Conversation conversation) {
439		AlertDialog.Builder builder = new AlertDialog.Builder(this);
440		builder.setTitle(getString(R.string.clear_conversation_history));
441		View dialogView = getLayoutInflater().inflate(
442				R.layout.dialog_clear_history, null);
443		final CheckBox endConversationCheckBox = (CheckBox) dialogView
444				.findViewById(R.id.end_conversation_checkbox);
445		builder.setView(dialogView);
446		builder.setNegativeButton(getString(R.string.cancel), null);
447		builder.setPositiveButton(getString(R.string.delete_messages),
448				new OnClickListener() {
449
450					@Override
451					public void onClick(DialogInterface dialog, int which) {
452						ConversationActivity.this.xmppConnectionService
453								.clearConversationHistory(conversation);
454						if (endConversationCheckBox.isChecked()) {
455							endConversation(conversation);
456						}
457					}
458				});
459		builder.create().show();
460	}
461
462	protected void attachFileDialog() {
463		View menuAttachFile = findViewById(R.id.action_attach_file);
464		if (menuAttachFile == null) {
465			return;
466		}
467		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
468		attachFilePopup.inflate(R.menu.attachment_choices);
469		attachFilePopup
470				.setOnMenuItemClickListener(new OnMenuItemClickListener() {
471
472					@Override
473					public boolean onMenuItemClick(MenuItem item) {
474						switch (item.getItemId()) {
475						case R.id.attach_choose_picture:
476							attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
477							break;
478						case R.id.attach_take_picture:
479							attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
480							break;
481						case R.id.attach_record_voice:
482							attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
483							break;
484						}
485						return false;
486					}
487				});
488		attachFilePopup.show();
489	}
490
491	protected void selectEncryptionDialog(final Conversation conversation) {
492		View menuItemView = findViewById(R.id.action_security);
493		if (menuItemView == null) {
494			return;
495		}
496		PopupMenu popup = new PopupMenu(this, menuItemView);
497		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
498				.findFragmentByTag("conversation");
499		if (fragment != null) {
500			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
501
502				@Override
503				public boolean onMenuItemClick(MenuItem item) {
504					switch (item.getItemId()) {
505					case R.id.encryption_choice_none:
506						conversation.setNextEncryption(Message.ENCRYPTION_NONE);
507						item.setChecked(true);
508						break;
509					case R.id.encryption_choice_otr:
510						conversation.setNextEncryption(Message.ENCRYPTION_OTR);
511						item.setChecked(true);
512						break;
513					case R.id.encryption_choice_pgp:
514						if (hasPgp()) {
515							if (conversation.getAccount().getKeys()
516									.has("pgp_signature")) {
517								conversation
518										.setNextEncryption(Message.ENCRYPTION_PGP);
519								item.setChecked(true);
520							} else {
521								announcePgp(conversation.getAccount(),
522										conversation);
523							}
524						} else {
525							showInstallPgpDialog();
526						}
527						break;
528					default:
529						conversation.setNextEncryption(Message.ENCRYPTION_NONE);
530						break;
531					}
532					xmppConnectionService.databaseBackend
533							.updateConversation(conversation);
534					fragment.updateChatMsgHint();
535					return true;
536				}
537			});
538			popup.inflate(R.menu.encryption_choices);
539			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
540			MenuItem none = popup.getMenu().findItem(
541					R.id.encryption_choice_none);
542			if (conversation.getMode() == Conversation.MODE_MULTI) {
543				otr.setEnabled(false);
544			} else {
545				if (forceEncryption()) {
546					none.setVisible(false);
547				}
548			}
549			switch (conversation.getNextEncryption(forceEncryption())) {
550			case Message.ENCRYPTION_NONE:
551				none.setChecked(true);
552				break;
553			case Message.ENCRYPTION_OTR:
554				otr.setChecked(true);
555				break;
556			case Message.ENCRYPTION_PGP:
557				popup.getMenu().findItem(R.id.encryption_choice_pgp)
558						.setChecked(true);
559				break;
560			default:
561				popup.getMenu().findItem(R.id.encryption_choice_none)
562						.setChecked(true);
563				break;
564			}
565			popup.show();
566		}
567	}
568
569	protected void muteConversationDialog(final Conversation conversation) {
570		AlertDialog.Builder builder = new AlertDialog.Builder(this);
571		builder.setTitle(R.string.disable_notifications_for_this_conversation);
572		final int[] durations = getResources().getIntArray(
573				R.array.mute_options_durations);
574		builder.setItems(R.array.mute_options_descriptions,
575				new OnClickListener() {
576
577					@Override
578					public void onClick(DialogInterface dialog, int which) {
579						long till;
580						if (durations[which] == -1) {
581							till = Long.MAX_VALUE;
582						} else {
583							till = SystemClock.elapsedRealtime()
584									+ (durations[which] * 1000);
585						}
586						conversation.setMutedTill(till);
587						ConversationActivity.this.xmppConnectionService.databaseBackend
588								.updateConversation(conversation);
589						ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
590								.findFragmentByTag("conversation");
591						if (selectedFragment != null) {
592							selectedFragment.updateMessages();
593						}
594					}
595				});
596		builder.create().show();
597	}
598
599	protected ConversationFragment swapConversationFragment() {
600		ConversationFragment selectedFragment = new ConversationFragment();
601		if (!isFinishing()) {
602
603			FragmentTransaction transaction = getFragmentManager()
604					.beginTransaction();
605			transaction.replace(R.id.selected_conversation, selectedFragment,
606					"conversation");
607
608			transaction.commitAllowingStateLoss();
609		}
610		return selectedFragment;
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.ACTION_VIEW.equals(intent.getAction()) && (VIEW_CONVERSATION
628					.equals(intent.getType())))) {
629				String convToView = (String) intent.getExtras().get(
630						CONVERSATION);
631				updateConversationList();
632				for (int i = 0; i < conversationList.size(); ++i) {
633					if (conversationList.get(i).getUuid().equals(convToView)) {
634						setSelectedConversation(conversationList.get(i));
635						break;
636					}
637				}
638				paneShouldBeOpen = false;
639				String text = intent.getExtras().getString(TEXT, null);
640				swapConversationFragment().setText(text);
641			}
642		} else {
643			handledViewIntent = false;
644			setIntent(intent);
645		}
646	}
647
648	@Override
649	public void onStart() {
650		super.onStart();
651		if (this.xmppConnectionServiceBound) {
652			this.onBackendConnected();
653		}
654		if (conversationList.size() >= 1) {
655			this.onConversationUpdate();
656		}
657	}
658
659	@Override
660	protected void onStop() {
661		if (xmppConnectionServiceBound) {
662			xmppConnectionService.removeOnConversationListChangedListener();
663			xmppConnectionService.removeOnAccountListChangedListener();
664			xmppConnectionService.removeOnRosterUpdateListener();
665			xmppConnectionService.getNotificationService().setOpenConversation(
666					null);
667		}
668		super.onStop();
669	}
670
671	@Override
672	public void onSaveInstanceState(Bundle savedInstanceState) {
673		Conversation conversation = getSelectedConversation();
674		if (conversation != null) {
675			savedInstanceState.putString(STATE_OPEN_CONVERSATION,
676					conversation.getUuid());
677		}
678		savedInstanceState.putBoolean(STATE_PANEL_OPEN,
679				isConversationsOverviewVisable());
680		super.onSaveInstanceState(savedInstanceState);
681	}
682
683	@Override
684	void onBackendConnected() {
685		this.registerListener();
686		updateConversationList();
687
688		if (xmppConnectionService.getAccounts().size() == 0) {
689			startActivity(new Intent(this, EditAccountActivity.class));
690		} else if (conversationList.size() <= 0) {
691			startActivity(new Intent(this, StartConversationActivity.class));
692			finish();
693		} else if (mOpenConverstaion != null) {
694			selectConversationByUuid(mOpenConverstaion);
695			paneShouldBeOpen = mPanelOpen;
696			if (paneShouldBeOpen) {
697				showConversationsOverview();
698			}
699			swapConversationFragment();
700			mOpenConverstaion = null;
701		} else if (getIntent() != null
702				&& VIEW_CONVERSATION.equals(getIntent().getType())) {
703			String uuid = (String) getIntent().getExtras().get(CONVERSATION);
704			String text = getIntent().getExtras().getString(TEXT, null);
705			selectConversationByUuid(uuid);
706			paneShouldBeOpen = false;
707			swapConversationFragment().setText(text);
708			setIntent(null);
709		} else {
710			showConversationsOverview();
711			ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
712					.findFragmentByTag("conversation");
713			if (selectedFragment != null) {
714				selectedFragment.onBackendConnected();
715			} else {
716				pendingImageUri = null;
717				setSelectedConversation(conversationList.get(0));
718				swapConversationFragment();
719			}
720		}
721
722		if (pendingImageUri != null) {
723			attachImageToConversation(getSelectedConversation(),
724					pendingImageUri);
725			pendingImageUri = null;
726		}
727		ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
728	}
729
730	private void selectConversationByUuid(String uuid) {
731		for (int i = 0; i < conversationList.size(); ++i) {
732			if (conversationList.get(i).getUuid().equals(uuid)) {
733				setSelectedConversation(conversationList.get(i));
734			}
735		}
736	}
737
738	public void registerListener() {
739		xmppConnectionService.setOnConversationListChangedListener(this);
740		xmppConnectionService.setOnAccountListChangedListener(this);
741		xmppConnectionService.setOnRosterUpdateListener(this);
742	}
743
744	@Override
745	protected void onActivityResult(int requestCode, int resultCode,
746			final Intent data) {
747		super.onActivityResult(requestCode, resultCode, data);
748		if (resultCode == RESULT_OK) {
749			if (requestCode == REQUEST_DECRYPT_PGP) {
750				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
751						.findFragmentByTag("conversation");
752				if (selectedFragment != null) {
753					selectedFragment.hideSnackbar();
754				}
755			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
756				pendingImageUri = data.getData();
757				if (xmppConnectionServiceBound) {
758					attachImageToConversation(getSelectedConversation(),
759							pendingImageUri);
760					pendingImageUri = null;
761				}
762			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
763
764			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
765				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
766			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
767				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
768			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
769				announcePgp(getSelectedConversation().getAccount(),
770						getSelectedConversation());
771			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
772				// encryptTextMessage();
773			} else if (requestCode == REQUEST_IMAGE_CAPTURE) {
774				if (xmppConnectionServiceBound) {
775					attachImageToConversation(getSelectedConversation(),
776							pendingImageUri);
777					pendingImageUri = null;
778				}
779				Intent intent = new Intent(
780						Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
781				intent.setData(pendingImageUri);
782				sendBroadcast(intent);
783			} else if (requestCode == REQUEST_RECORD_AUDIO) {
784				attachAudioToConversation(getSelectedConversation(),
785						data.getData());
786			}
787		}
788	}
789
790	private void attachAudioToConversation(Conversation conversation, Uri uri) {
791
792	}
793
794	private void attachImageToConversation(Conversation conversation, Uri uri) {
795		prepareImageToast = Toast.makeText(getApplicationContext(),
796				getText(R.string.preparing_image), Toast.LENGTH_LONG);
797		prepareImageToast.show();
798		xmppConnectionService.attachImageToConversation(conversation, uri,
799				new UiCallback<Message>() {
800
801					@Override
802					public void userInputRequried(PendingIntent pi,
803							Message object) {
804						hidePrepareImageToast();
805						ConversationActivity.this.runIntent(pi,
806								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
807					}
808
809					@Override
810					public void success(Message message) {
811						xmppConnectionService.sendMessage(message);
812					}
813
814					@Override
815					public void error(int error, Message message) {
816						hidePrepareImageToast();
817						displayErrorDialog(error);
818					}
819				});
820	}
821
822	private void hidePrepareImageToast() {
823		if (prepareImageToast != null) {
824			runOnUiThread(new Runnable() {
825
826				@Override
827				public void run() {
828					prepareImageToast.cancel();
829				}
830			});
831		}
832	}
833
834	public void updateConversationList() {
835		xmppConnectionService
836				.populateWithOrderedConversations(conversationList);
837		listAdapter.notifyDataSetChanged();
838	}
839
840	public void runIntent(PendingIntent pi, int requestCode) {
841		try {
842			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
843					null, 0, 0, 0);
844		} catch (SendIntentException e1) {
845		}
846	}
847
848	public void encryptTextMessage(Message message) {
849		xmppConnectionService.getPgpEngine().encrypt(message,
850				new UiCallback<Message>() {
851
852					@Override
853					public void userInputRequried(PendingIntent pi,
854							Message message) {
855						ConversationActivity.this.runIntent(pi,
856								ConversationActivity.REQUEST_SEND_MESSAGE);
857					}
858
859					@Override
860					public void success(Message message) {
861						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
862						xmppConnectionService.sendMessage(message);
863					}
864
865					@Override
866					public void error(int error, Message message) {
867
868					}
869				});
870	}
871
872	public boolean forceEncryption() {
873		return getPreferences().getBoolean("force_encryption", false);
874	}
875
876	public boolean useSendButtonToIndicateStatus() {
877		return getPreferences().getBoolean("send_button_status", false);
878	}
879
880	public boolean indicateReceived() {
881		return getPreferences().getBoolean("indicate_received", false);
882	}
883
884	@Override
885	public void onAccountUpdate() {
886		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
887				.findFragmentByTag("conversation");
888		if (fragment != null) {
889			runOnUiThread(new Runnable() {
890
891				@Override
892				public void run() {
893					fragment.updateMessages();
894				}
895			});
896		}
897	}
898
899	@Override
900	public void onConversationUpdate() {
901		runOnUiThread(new Runnable() {
902
903			@Override
904			public void run() {
905				updateConversationList();
906				if (paneShouldBeOpen) {
907					if (conversationList.size() >= 1) {
908						swapConversationFragment();
909					} else {
910						startActivity(new Intent(getApplicationContext(),
911								StartConversationActivity.class));
912						finish();
913					}
914				}
915				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
916						.findFragmentByTag("conversation");
917				if (selectedFragment != null) {
918					selectedFragment.updateMessages();
919				}
920			}
921		});
922	}
923
924	@Override
925	public void onRosterUpdate() {
926		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
927				.findFragmentByTag("conversation");
928		if (fragment != null) {
929			runOnUiThread(new Runnable() {
930
931				@Override
932				public void run() {
933					fragment.updateMessages();
934				}
935			});
936		}
937	}
938}