ConversationActivity.java

  1package eu.siacs.conversations.ui;
  2
  3import android.annotation.SuppressLint;
  4import android.app.ActionBar;
  5import android.app.AlertDialog;
  6import android.app.FragmentTransaction;
  7import android.app.PendingIntent;
  8import android.content.DialogInterface;
  9import android.content.DialogInterface.OnClickListener;
 10import android.content.Intent;
 11import android.content.IntentSender.SendIntentException;
 12import android.net.Uri;
 13import android.os.Bundle;
 14import android.os.SystemClock;
 15import android.provider.MediaStore;
 16import android.support.v4.widget.SlidingPaneLayout;
 17import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 18import android.view.KeyEvent;
 19import android.view.Menu;
 20import android.view.MenuItem;
 21import android.view.View;
 22import android.widget.AdapterView;
 23import android.widget.AdapterView.OnItemClickListener;
 24import android.widget.ArrayAdapter;
 25import android.widget.CheckBox;
 26import android.widget.ListView;
 27import android.widget.PopupMenu;
 28import android.widget.PopupMenu.OnMenuItemClickListener;
 29import android.widget.Toast;
 30
 31import java.util.ArrayList;
 32import java.util.List;
 33
 34import eu.siacs.conversations.R;
 35import eu.siacs.conversations.entities.Contact;
 36import eu.siacs.conversations.entities.Conversation;
 37import eu.siacs.conversations.entities.Message;
 38import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
 39import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 40import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
 41import eu.siacs.conversations.ui.adapter.ConversationAdapter;
 42import eu.siacs.conversations.utils.ExceptionHelper;
 43
 44public class ConversationActivity extends XmppActivity implements
 45		OnAccountUpdate, OnConversationUpdate, OnRosterUpdate {
 46
 47	public static final String VIEW_CONVERSATION = "viewConversation";
 48	public static final String CONVERSATION = "conversationUuid";
 49	public static final String TEXT = "text";
 50	public static final String PRESENCE = "eu.siacs.conversations.presence";
 51
 52	public static final int REQUEST_SEND_MESSAGE = 0x0201;
 53	public static final int REQUEST_DECRYPT_PGP = 0x0202;
 54	public static final int REQUEST_ENCRYPT_MESSAGE = 0x0207;
 55	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x0203;
 56	private static final int REQUEST_IMAGE_CAPTURE = 0x0204;
 57	private static final int REQUEST_RECORD_AUDIO = 0x0205;
 58	private static final int REQUEST_SEND_PGP_IMAGE = 0x0206;
 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	private static final String STATE_PENDING_URI = "state_pending_uri";
 65
 66	private String mOpenConverstaion = null;
 67	private boolean mPanelOpen = true;
 68	private Uri mPendingImageUri = null;
 69
 70	private View mContentView;
 71
 72	private List<Conversation> conversationList = new ArrayList<Conversation>();
 73	private Conversation selectedConversation = null;
 74	private ListView listView;
 75
 76	private boolean paneShouldBeOpen = true;
 77	private ArrayAdapter<Conversation> listAdapter;
 78
 79	private Toast prepareImageToast;
 80
 81
 82	public List<Conversation> getConversationList() {
 83		return this.conversationList;
 84	}
 85
 86	public Conversation getSelectedConversation() {
 87		return this.selectedConversation;
 88	}
 89
 90	public void setSelectedConversation(Conversation conversation) {
 91		this.selectedConversation = conversation;
 92	}
 93
 94	public ListView getConversationListView() {
 95		return this.listView;
 96	}
 97
 98	public boolean shouldPaneBeOpen() {
 99		return paneShouldBeOpen;
100	}
101
102	public void showConversationsOverview() {
103		if (mContentView instanceof SlidingPaneLayout) {
104			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
105			mSlidingPaneLayout.openPane();
106		}
107	}
108
109	@Override
110	protected String getShareableUri() {
111		Conversation conversation = getSelectedConversation();
112		if (conversation != null) {
113			return "xmpp:" + conversation.getAccount().getJid();
114		} else {
115			return "";
116		}
117	}
118
119	public void hideConversationsOverview() {
120		if (mContentView instanceof SlidingPaneLayout) {
121			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
122			mSlidingPaneLayout.closePane();
123		}
124	}
125
126	public boolean isConversationsOverviewHideable() {
127		if (mContentView instanceof SlidingPaneLayout) {
128			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
129			return mSlidingPaneLayout.isSlideable();
130		} else {
131			return false;
132		}
133	}
134
135	public boolean isConversationsOverviewVisable() {
136		if (mContentView instanceof SlidingPaneLayout) {
137			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
138			return mSlidingPaneLayout.isOpen();
139		} else {
140			return true;
141		}
142	}
143
144	@Override
145	protected void onCreate(Bundle savedInstanceState) {
146		super.onCreate(savedInstanceState);
147		if (savedInstanceState != null) {
148			mOpenConverstaion = savedInstanceState.getString(
149					STATE_OPEN_CONVERSATION, null);
150			mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
151			String pending = savedInstanceState.getString(STATE_PENDING_URI, null);
152			if (pending != null) {
153				mPendingImageUri = Uri.parse(pending);
154			}
155		}
156
157		setContentView(R.layout.fragment_conversations_overview);
158
159		listView = (ListView) findViewById(R.id.list);
160
161		getActionBar().setDisplayHomeAsUpEnabled(false);
162		getActionBar().setHomeButtonEnabled(false);
163		this.listAdapter = new ConversationAdapter(this, conversationList);
164		listView.setAdapter(this.listAdapter);
165
166		listView.setOnItemClickListener(new OnItemClickListener() {
167
168			@Override
169			public void onItemClick(AdapterView<?> arg0, View clickedView,
170									int position, long arg3) {
171				paneShouldBeOpen = false;
172				if (getSelectedConversation() != conversationList.get(position)) {
173					setSelectedConversation(conversationList.get(position));
174					swapConversationFragment();
175				} else {
176					hideConversationsOverview();
177				}
178			}
179		});
180		mContentView = findViewById(R.id.content_view_spl);
181		if (mContentView == null) {
182			mContentView = findViewById(R.id.content_view_ll);
183		}
184		if (mContentView instanceof SlidingPaneLayout) {
185			SlidingPaneLayout mSlidingPaneLayout = (SlidingPaneLayout) mContentView;
186			mSlidingPaneLayout.setParallaxDistance(150);
187			mSlidingPaneLayout
188					.setShadowResource(R.drawable.es_slidingpane_shadow);
189			mSlidingPaneLayout.setSliderFadeColor(0);
190			mSlidingPaneLayout.setPanelSlideListener(new PanelSlideListener() {
191
192				@Override
193				public void onPanelOpened(View arg0) {
194					paneShouldBeOpen = true;
195					ActionBar ab = getActionBar();
196					if (ab != null) {
197						ab.setDisplayHomeAsUpEnabled(false);
198						ab.setHomeButtonEnabled(false);
199						ab.setTitle(R.string.app_name);
200					}
201					invalidateOptionsMenu();
202					hideKeyboard();
203					if (xmppConnectionServiceBound) {
204						xmppConnectionService.getNotificationService()
205								.setOpenConversation(null);
206					}
207					closeContextMenu();
208				}
209
210				@Override
211				public void onPanelClosed(View arg0) {
212					paneShouldBeOpen = false;
213					if ((conversationList.size() > 0)
214							&& (getSelectedConversation() != null)) {
215						openConversation(getSelectedConversation());
216						if (!getSelectedConversation().isRead()) {
217							xmppConnectionService.markRead(
218									getSelectedConversation(), true);
219							listView.invalidateViews();
220						}
221					}
222				}
223
224				@Override
225				public void onPanelSlide(View arg0, float arg1) {
226					// TODO Auto-generated method stub
227
228				}
229			});
230		}
231	}
232
233	public void openConversation(Conversation conversation) {
234		ActionBar ab = getActionBar();
235		if (ab != null) {
236			ab.setDisplayHomeAsUpEnabled(true);
237			ab.setHomeButtonEnabled(true);
238			if (getSelectedConversation().getMode() == Conversation.MODE_SINGLE
239					|| ConversationActivity.this
240					.useSubjectToIdentifyConference()) {
241				ab.setTitle(getSelectedConversation().getName());
242			} else {
243				ab.setTitle(getSelectedConversation().getContactJid()
244						.split("/")[0]);
245			}
246		}
247		invalidateOptionsMenu();
248		if (xmppConnectionServiceBound) {
249			xmppConnectionService.getNotificationService().setOpenConversation(
250					conversation);
251		}
252	}
253
254	@Override
255	public boolean onCreateOptionsMenu(Menu menu) {
256		getMenuInflater().inflate(R.menu.conversations, menu);
257		MenuItem menuSecure = menu.findItem(R.id.action_security);
258		MenuItem menuArchive = menu.findItem(R.id.action_archive);
259		MenuItem menuMucDetails = menu.findItem(R.id.action_muc_details);
260		MenuItem menuContactDetails = menu
261				.findItem(R.id.action_contact_details);
262		MenuItem menuAttach = menu.findItem(R.id.action_attach_file);
263		MenuItem menuClearHistory = menu.findItem(R.id.action_clear_history);
264		MenuItem menuAdd = menu.findItem(R.id.action_add);
265		MenuItem menuInviteContact = menu.findItem(R.id.action_invite);
266		MenuItem menuMute = menu.findItem(R.id.action_mute);
267
268		if (isConversationsOverviewVisable()
269				&& isConversationsOverviewHideable()) {
270			menuArchive.setVisible(false);
271			menuMucDetails.setVisible(false);
272			menuContactDetails.setVisible(false);
273			menuSecure.setVisible(false);
274			menuInviteContact.setVisible(false);
275			menuAttach.setVisible(false);
276			menuClearHistory.setVisible(false);
277			menuMute.setVisible(false);
278		} else {
279			menuAdd.setVisible(!isConversationsOverviewHideable());
280			if (this.getSelectedConversation() != null) {
281				if (this.getSelectedConversation().getLatestMessage()
282						.getEncryption() != Message.ENCRYPTION_NONE) {
283					menuSecure.setIcon(R.drawable.ic_action_secure);
284				}
285				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
286					menuContactDetails.setVisible(false);
287					menuAttach.setVisible(false);
288				} else {
289					menuMucDetails.setVisible(false);
290					menuInviteContact.setVisible(false);
291				}
292			}
293		}
294		return true;
295	}
296
297	private void selectPresenceToAttachFile(final int attachmentChoice) {
298		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
299
300			@Override
301			public void onPresenceSelected() {
302				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
303					mPendingImageUri = xmppConnectionService.getFileBackend()
304							.getTakePhotoUri();
305					Intent takePictureIntent = new Intent(
306							MediaStore.ACTION_IMAGE_CAPTURE);
307					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
308							mPendingImageUri);
309					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
310						startActivityForResult(takePictureIntent,
311								REQUEST_IMAGE_CAPTURE);
312					}
313				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
314					Intent attachFileIntent = new Intent();
315					attachFileIntent.setType("image/*");
316					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
317					Intent chooser = Intent.createChooser(attachFileIntent,
318							getString(R.string.attach_file));
319					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
320				} else if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
321					Intent intent = new Intent(
322							MediaStore.Audio.Media.RECORD_SOUND_ACTION);
323					startActivityForResult(intent, REQUEST_RECORD_AUDIO);
324				}
325			}
326		});
327	}
328
329	private void attachFile(final int attachmentChoice) {
330		final Conversation conversation = getSelectedConversation();
331		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
332			if (hasPgp()) {
333				if (conversation.getContact().getPgpKeyId() != 0) {
334					xmppConnectionService.getPgpEngine().hasKey(
335							conversation.getContact(),
336							new UiCallback<Contact>() {
337
338								@Override
339								public void userInputRequried(PendingIntent pi,
340															  Contact contact) {
341									ConversationActivity.this.runIntent(pi,
342											attachmentChoice);
343								}
344
345								@Override
346								public void success(Contact contact) {
347									selectPresenceToAttachFile(attachmentChoice);
348								}
349
350								@Override
351								public void error(int error, Contact contact) {
352									displayErrorDialog(error);
353								}
354							});
355				} else {
356					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
357							.findFragmentByTag("conversation");
358					if (fragment != null) {
359						fragment.showNoPGPKeyDialog(false,
360								new OnClickListener() {
361
362									@Override
363									public void onClick(DialogInterface dialog,
364														int which) {
365										conversation
366												.setNextEncryption(Message.ENCRYPTION_NONE);
367										xmppConnectionService.databaseBackend
368												.updateConversation(conversation);
369										selectPresenceToAttachFile(attachmentChoice);
370									}
371								});
372					}
373				}
374			} else {
375				showInstallPgpDialog();
376			}
377		} else if (getSelectedConversation().getNextEncryption(
378				forceEncryption()) == Message.ENCRYPTION_NONE) {
379			selectPresenceToAttachFile(attachmentChoice);
380		} else {
381			selectPresenceToAttachFile(attachmentChoice);
382		}
383	}
384
385	@Override
386	public boolean onOptionsItemSelected(MenuItem item) {
387		if (item.getItemId() == android.R.id.home) {
388			showConversationsOverview();
389			return true;
390		} else if (item.getItemId() == R.id.action_add) {
391			startActivity(new Intent(this, StartConversationActivity.class));
392			return true;
393		} else if (getSelectedConversation() != null) {
394			switch (item.getItemId()) {
395				case R.id.action_attach_file:
396					attachFileDialog();
397					break;
398				case R.id.action_archive:
399					this.endConversation(getSelectedConversation());
400					break;
401				case R.id.action_contact_details:
402					Contact contact = this.getSelectedConversation().getContact();
403					if (contact.showInRoster()) {
404						switchToContactDetails(contact);
405					} else {
406						showAddToRosterDialog(getSelectedConversation());
407					}
408					break;
409				case R.id.action_muc_details:
410					Intent intent = new Intent(this,
411							ConferenceDetailsActivity.class);
412					intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
413					intent.putExtra("uuid", getSelectedConversation().getUuid());
414					startActivity(intent);
415					break;
416				case R.id.action_invite:
417					inviteToConversation(getSelectedConversation());
418					break;
419				case R.id.action_security:
420					selectEncryptionDialog(getSelectedConversation());
421					break;
422				case R.id.action_clear_history:
423					clearHistoryDialog(getSelectedConversation());
424					break;
425				case R.id.action_mute:
426					muteConversationDialog(getSelectedConversation());
427					break;
428				default:
429					break;
430			}
431			return super.onOptionsItemSelected(item);
432		} else {
433			return super.onOptionsItemSelected(item);
434		}
435	}
436
437	public void endConversation(Conversation conversation) {
438		conversation.setStatus(Conversation.STATUS_ARCHIVED);
439		paneShouldBeOpen = true;
440		showConversationsOverview();
441		xmppConnectionService.archiveConversation(conversation);
442		if (conversationList.size() > 0) {
443			setSelectedConversation(conversationList.get(0));
444		} else {
445			setSelectedConversation(null);
446		}
447	}
448
449	@SuppressLint("InflateParams")
450	protected void clearHistoryDialog(final Conversation conversation) {
451		AlertDialog.Builder builder = new AlertDialog.Builder(this);
452		builder.setTitle(getString(R.string.clear_conversation_history));
453		View dialogView = getLayoutInflater().inflate(
454				R.layout.dialog_clear_history, null);
455		final CheckBox endConversationCheckBox = (CheckBox) dialogView
456				.findViewById(R.id.end_conversation_checkbox);
457		builder.setView(dialogView);
458		builder.setNegativeButton(getString(R.string.cancel), null);
459		builder.setPositiveButton(getString(R.string.delete_messages),
460				new OnClickListener() {
461
462					@Override
463					public void onClick(DialogInterface dialog, int which) {
464						ConversationActivity.this.xmppConnectionService
465								.clearConversationHistory(conversation);
466						if (endConversationCheckBox.isChecked()) {
467							endConversation(conversation);
468						}
469					}
470				});
471		builder.create().show();
472	}
473
474	protected void attachFileDialog() {
475		View menuAttachFile = findViewById(R.id.action_attach_file);
476		if (menuAttachFile == null) {
477			return;
478		}
479		PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
480		attachFilePopup.inflate(R.menu.attachment_choices);
481		attachFilePopup
482				.setOnMenuItemClickListener(new OnMenuItemClickListener() {
483
484					@Override
485					public boolean onMenuItemClick(MenuItem item) {
486						switch (item.getItemId()) {
487							case R.id.attach_choose_picture:
488								attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
489								break;
490							case R.id.attach_take_picture:
491								attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
492								break;
493							case R.id.attach_record_voice:
494								attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
495								break;
496						}
497						return false;
498					}
499				});
500		attachFilePopup.show();
501	}
502
503	protected void selectEncryptionDialog(final Conversation conversation) {
504		View menuItemView = findViewById(R.id.action_security);
505		if (menuItemView == null) {
506			return;
507		}
508		PopupMenu popup = new PopupMenu(this, menuItemView);
509		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
510				.findFragmentByTag("conversation");
511		if (fragment != null) {
512			popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
513
514				@Override
515				public boolean onMenuItemClick(MenuItem item) {
516					switch (item.getItemId()) {
517						case R.id.encryption_choice_none:
518							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
519							item.setChecked(true);
520							break;
521						case R.id.encryption_choice_otr:
522							conversation.setNextEncryption(Message.ENCRYPTION_OTR);
523							item.setChecked(true);
524							break;
525						case R.id.encryption_choice_pgp:
526							if (hasPgp()) {
527								if (conversation.getAccount().getKeys()
528										.has("pgp_signature")) {
529									conversation
530											.setNextEncryption(Message.ENCRYPTION_PGP);
531									item.setChecked(true);
532								} else {
533									announcePgp(conversation.getAccount(),
534											conversation);
535								}
536							} else {
537								showInstallPgpDialog();
538							}
539							break;
540						default:
541							conversation.setNextEncryption(Message.ENCRYPTION_NONE);
542							break;
543					}
544					xmppConnectionService.databaseBackend
545							.updateConversation(conversation);
546					fragment.updateChatMsgHint();
547					return true;
548				}
549			});
550			popup.inflate(R.menu.encryption_choices);
551			MenuItem otr = popup.getMenu().findItem(R.id.encryption_choice_otr);
552			MenuItem none = popup.getMenu().findItem(
553					R.id.encryption_choice_none);
554			if (conversation.getMode() == Conversation.MODE_MULTI) {
555				otr.setEnabled(false);
556			} else {
557				if (forceEncryption()) {
558					none.setVisible(false);
559				}
560			}
561			switch (conversation.getNextEncryption(forceEncryption())) {
562				case Message.ENCRYPTION_NONE:
563					none.setChecked(true);
564					break;
565				case Message.ENCRYPTION_OTR:
566					otr.setChecked(true);
567					break;
568				case Message.ENCRYPTION_PGP:
569					popup.getMenu().findItem(R.id.encryption_choice_pgp)
570							.setChecked(true);
571					break;
572				default:
573					popup.getMenu().findItem(R.id.encryption_choice_none)
574							.setChecked(true);
575					break;
576			}
577			popup.show();
578		}
579	}
580
581	protected void muteConversationDialog(final Conversation conversation) {
582		AlertDialog.Builder builder = new AlertDialog.Builder(this);
583		builder.setTitle(R.string.disable_notifications_for_this_conversation);
584		final int[] durations = getResources().getIntArray(
585				R.array.mute_options_durations);
586		builder.setItems(R.array.mute_options_descriptions,
587				new OnClickListener() {
588
589					@Override
590					public void onClick(DialogInterface dialog, int which) {
591						long till;
592						if (durations[which] == -1) {
593							till = Long.MAX_VALUE;
594						} else {
595							till = SystemClock.elapsedRealtime()
596									+ (durations[which] * 1000);
597						}
598						conversation.setMutedTill(till);
599						ConversationActivity.this.xmppConnectionService.databaseBackend
600								.updateConversation(conversation);
601						ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
602								.findFragmentByTag("conversation");
603						if (selectedFragment != null) {
604							selectedFragment.updateMessages();
605						}
606					}
607				});
608		builder.create().show();
609	}
610
611	protected ConversationFragment swapConversationFragment() {
612		ConversationFragment selectedFragment = new ConversationFragment();
613		if (!isFinishing()) {
614
615			FragmentTransaction transaction = getFragmentManager()
616					.beginTransaction();
617			transaction.replace(R.id.selected_conversation, selectedFragment,
618					"conversation");
619			try {
620				transaction.commitAllowingStateLoss();
621			} catch (IllegalStateException e) {
622				return selectedFragment;
623			}
624		}
625		return selectedFragment;
626	}
627
628	@Override
629	public boolean onKeyDown(int keyCode, KeyEvent event) {
630		if (keyCode == KeyEvent.KEYCODE_BACK) {
631			if (!isConversationsOverviewVisable()) {
632				showConversationsOverview();
633				return false;
634			}
635		}
636		return super.onKeyDown(keyCode, event);
637	}
638
639	@Override
640	protected void onNewIntent(Intent intent) {
641		if (xmppConnectionServiceBound) {
642			if (intent != null && VIEW_CONVERSATION.equals(intent.getType())) {
643				handleViewConversationIntent(intent);
644			}
645		} else {
646			setIntent(intent);
647		}
648	}
649
650	@Override
651	public void onStart() {
652		super.onStart();
653		if (this.xmppConnectionServiceBound) {
654			this.onBackendConnected();
655		}
656		if (conversationList.size() >= 1) {
657			this.onConversationUpdate();
658		}
659	}
660
661	@Override
662	protected void onStop() {
663		if (xmppConnectionServiceBound) {
664			xmppConnectionService.removeOnConversationListChangedListener();
665			xmppConnectionService.removeOnAccountListChangedListener();
666			xmppConnectionService.removeOnRosterUpdateListener();
667			xmppConnectionService.getNotificationService().setOpenConversation(
668					null);
669		}
670		super.onStop();
671	}
672
673	@Override
674	public void onSaveInstanceState(Bundle savedInstanceState) {
675		Conversation conversation = getSelectedConversation();
676		if (conversation != null) {
677			savedInstanceState.putString(STATE_OPEN_CONVERSATION,
678					conversation.getUuid());
679		}
680		savedInstanceState.putBoolean(STATE_PANEL_OPEN,
681				isConversationsOverviewVisable());
682		if (this.mPendingImageUri != null) {
683			savedInstanceState.putString(STATE_PENDING_URI, this.mPendingImageUri.toString());
684		}
685		super.onSaveInstanceState(savedInstanceState);
686	}
687
688	@Override
689	void onBackendConnected() {
690		this.registerListener();
691		updateConversationList();
692
693		if (xmppConnectionService.getAccounts().size() == 0) {
694			startActivity(new Intent(this, EditAccountActivity.class));
695		} else if (conversationList.size() <= 0) {
696			startActivity(new Intent(this, StartConversationActivity.class));
697			finish();
698		} else if (getIntent() != null
699				&& VIEW_CONVERSATION.equals(getIntent().getType())) {
700			handleViewConversationIntent(getIntent());
701			setIntent(null);
702		} else if (mOpenConverstaion != null) {
703			selectConversationByUuid(mOpenConverstaion);
704			paneShouldBeOpen = mPanelOpen;
705			if (paneShouldBeOpen) {
706				showConversationsOverview();
707			}
708			swapConversationFragment();
709			mOpenConverstaion = null;
710		} else {
711			showConversationsOverview();
712			ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
713					.findFragmentByTag("conversation");
714			if (selectedFragment != null) {
715				selectedFragment.onBackendConnected();
716			} else {
717				mPendingImageUri = null;
718				setSelectedConversation(conversationList.get(0));
719				swapConversationFragment();
720			}
721		}
722
723		if (mPendingImageUri != null) {
724			attachImageToConversation(getSelectedConversation(),
725					mPendingImageUri);
726			mPendingImageUri = null;
727		}
728		ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
729	}
730
731	private void handleViewConversationIntent(Intent intent) {
732		String uuid = (String) intent.getExtras().get(CONVERSATION);
733		String text = intent.getExtras().getString(TEXT, null);
734		selectConversationByUuid(uuid);
735		paneShouldBeOpen = false;
736		swapConversationFragment().setText(text);
737	}
738
739	private void selectConversationByUuid(String uuid) {
740		for (int i = 0; i < conversationList.size(); ++i) {
741			if (conversationList.get(i).getUuid().equals(uuid)) {
742				setSelectedConversation(conversationList.get(i));
743			}
744		}
745	}
746
747	public void registerListener() {
748		xmppConnectionService.setOnConversationListChangedListener(this);
749		xmppConnectionService.setOnAccountListChangedListener(this);
750		xmppConnectionService.setOnRosterUpdateListener(this);
751	}
752
753	@Override
754	protected void onActivityResult(int requestCode, int resultCode,
755									final Intent data) {
756		super.onActivityResult(requestCode, resultCode, data);
757		if (resultCode == RESULT_OK) {
758			if (requestCode == REQUEST_DECRYPT_PGP) {
759				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
760						.findFragmentByTag("conversation");
761				if (selectedFragment != null) {
762					selectedFragment.hideSnackbar();
763					selectedFragment.updateMessages();
764				}
765			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
766				mPendingImageUri = data.getData();
767				if (xmppConnectionServiceBound) {
768					attachImageToConversation(getSelectedConversation(),
769							mPendingImageUri);
770					mPendingImageUri = null;
771				}
772			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
773
774			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
775				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
776			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
777				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
778			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
779				announcePgp(getSelectedConversation().getAccount(),
780						getSelectedConversation());
781			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
782				// encryptTextMessage();
783			} else if (requestCode == REQUEST_IMAGE_CAPTURE && mPendingImageUri != null) {
784				if (xmppConnectionServiceBound) {
785					attachImageToConversation(getSelectedConversation(),
786							mPendingImageUri);
787					mPendingImageUri = null;
788				}
789				Intent intent = new Intent(
790						Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
791				intent.setData(mPendingImageUri);
792				sendBroadcast(intent);
793			} else if (requestCode == REQUEST_RECORD_AUDIO) {
794				attachAudioToConversation(getSelectedConversation(),
795						data.getData());
796			}
797		} else {
798			if (requestCode == REQUEST_IMAGE_CAPTURE) {
799				mPendingImageUri = null;
800			}
801		}
802	}
803
804	private void attachAudioToConversation(Conversation conversation, Uri uri) {
805
806	}
807
808	private void attachImageToConversation(Conversation conversation, Uri uri) {
809		prepareImageToast = Toast.makeText(getApplicationContext(),
810				getText(R.string.preparing_image), Toast.LENGTH_LONG);
811		prepareImageToast.show();
812		xmppConnectionService.attachImageToConversation(conversation, uri,
813				new UiCallback<Message>() {
814
815					@Override
816					public void userInputRequried(PendingIntent pi,
817												  Message object) {
818						hidePrepareImageToast();
819						ConversationActivity.this.runIntent(pi,
820								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
821					}
822
823					@Override
824					public void success(Message message) {
825						xmppConnectionService.sendMessage(message);
826					}
827
828					@Override
829					public void error(int error, Message message) {
830						hidePrepareImageToast();
831						displayErrorDialog(error);
832					}
833				});
834	}
835
836	private void hidePrepareImageToast() {
837		if (prepareImageToast != null) {
838			runOnUiThread(new Runnable() {
839
840				@Override
841				public void run() {
842					prepareImageToast.cancel();
843				}
844			});
845		}
846	}
847
848	public void updateConversationList() {
849		xmppConnectionService
850				.populateWithOrderedConversations(conversationList);
851		listAdapter.notifyDataSetChanged();
852	}
853
854	public void runIntent(PendingIntent pi, int requestCode) {
855		try {
856			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
857					null, 0, 0, 0);
858		} catch (SendIntentException e1) {
859		}
860	}
861
862	public void encryptTextMessage(Message message) {
863		xmppConnectionService.getPgpEngine().encrypt(message,
864				new UiCallback<Message>() {
865
866					@Override
867					public void userInputRequried(PendingIntent pi,
868												  Message message) {
869						ConversationActivity.this.runIntent(pi,
870								ConversationActivity.REQUEST_SEND_MESSAGE);
871					}
872
873					@Override
874					public void success(Message message) {
875						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
876						xmppConnectionService.sendMessage(message);
877					}
878
879					@Override
880					public void error(int error, Message message) {
881
882					}
883				});
884	}
885
886	public boolean forceEncryption() {
887		return getPreferences().getBoolean("force_encryption", false);
888	}
889
890	public boolean useSendButtonToIndicateStatus() {
891		return getPreferences().getBoolean("send_button_status", false);
892	}
893
894	public boolean indicateReceived() {
895		return getPreferences().getBoolean("indicate_received", false);
896	}
897
898	@Override
899	public void onAccountUpdate() {
900		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
901				.findFragmentByTag("conversation");
902		if (fragment != null) {
903			runOnUiThread(new Runnable() {
904
905				@Override
906				public void run() {
907					fragment.updateMessages();
908				}
909			});
910		}
911	}
912
913	@Override
914	public void onConversationUpdate() {
915		runOnUiThread(new Runnable() {
916
917			@Override
918			public void run() {
919				updateConversationList();
920				if (paneShouldBeOpen) {
921					if (conversationList.size() >= 1) {
922						swapConversationFragment();
923					} else {
924						startActivity(new Intent(getApplicationContext(),
925								StartConversationActivity.class));
926						finish();
927					}
928				}
929				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
930						.findFragmentByTag("conversation");
931				if (selectedFragment != null) {
932					selectedFragment.updateMessages();
933				}
934			}
935		});
936	}
937
938	@Override
939	public void onRosterUpdate() {
940		final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
941				.findFragmentByTag("conversation");
942		if (fragment != null) {
943			runOnUiThread(new Runnable() {
944
945				@Override
946				public void run() {
947					fragment.updateMessages();
948				}
949			});
950		}
951	}
952}