ConversationActivity.java

  1package eu.siacs.conversations.ui;
  2
  3import java.io.FileNotFoundException;
  4import java.lang.ref.WeakReference;
  5import java.util.ArrayList;
  6import java.util.List;
  7
  8import eu.siacs.conversations.R;
  9import eu.siacs.conversations.entities.Contact;
 10import eu.siacs.conversations.entities.Conversation;
 11import eu.siacs.conversations.entities.Message;
 12import eu.siacs.conversations.services.ImageProvider;
 13import eu.siacs.conversations.utils.ExceptionHelper;
 14import eu.siacs.conversations.utils.UIHelper;
 15import android.net.Uri;
 16import android.os.AsyncTask;
 17import android.os.Bundle;
 18import android.preference.PreferenceManager;
 19import android.provider.MediaStore;
 20import android.app.AlertDialog;
 21import android.app.FragmentTransaction;
 22import android.app.PendingIntent;
 23import android.content.Context;
 24import android.content.DialogInterface;
 25import android.content.DialogInterface.OnClickListener;
 26import android.content.IntentSender.SendIntentException;
 27import android.content.Intent;
 28import android.content.SharedPreferences;
 29import android.content.res.Resources;
 30import android.graphics.Bitmap;
 31import android.graphics.Color;
 32import android.graphics.Typeface;
 33import android.graphics.drawable.BitmapDrawable;
 34import android.graphics.drawable.Drawable;
 35import android.support.v4.widget.SlidingPaneLayout;
 36import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 37import android.util.DisplayMetrics;
 38import android.util.Log;
 39import android.view.KeyEvent;
 40import android.view.LayoutInflater;
 41import android.view.Menu;
 42import android.view.MenuItem;
 43import android.view.View;
 44import android.view.ViewGroup;
 45import android.widget.AdapterView;
 46import android.widget.AdapterView.OnItemClickListener;
 47import android.widget.ArrayAdapter;
 48import android.widget.CheckBox;
 49import android.widget.ListView;
 50import android.widget.PopupMenu;
 51import android.widget.PopupMenu.OnMenuItemClickListener;
 52import android.widget.TextView;
 53import android.widget.ImageView;
 54import android.widget.Toast;
 55
 56public class ConversationActivity extends XmppActivity {
 57
 58	public static final String VIEW_CONVERSATION = "viewConversation";
 59	public static final String CONVERSATION = "conversationUuid";
 60	public static final String TEXT = "text";
 61	public static final String PRESENCE = "eu.siacs.conversations.presence";
 62
 63	public static final int REQUEST_SEND_MESSAGE = 0x75441;
 64	public static final int REQUEST_DECRYPT_PGP = 0x76783;
 65	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x48502;
 66	private static final int REQUEST_IMAGE_CAPTURE = 0x33788;
 67	private static final int REQUEST_RECORD_AUDIO = 0x46189;
 68	private static final int REQUEST_SEND_PGP_IMAGE = 0x53883;
 69	public static final int REQUEST_ENCRYPT_MESSAGE = 0x378018;
 70
 71	private static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x92734;
 72	private static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x84123;
 73	private static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x75291;
 74
 75	protected SlidingPaneLayout spl;
 76
 77	private List<Conversation> conversationList = new ArrayList<Conversation>();
 78	private Conversation selectedConversation = null;
 79	private ListView listView;
 80
 81	private boolean paneShouldBeOpen = true;
 82	private boolean useSubject = true;
 83	private boolean showLastseen = false;
 84	private ArrayAdapter<Conversation> listAdapter;
 85
 86	private OnConversationListChangedListener onConvChanged = new OnConversationListChangedListener() {
 87
 88		@Override
 89		public void onConversationListChanged() {
 90			runOnUiThread(new Runnable() {
 91
 92				@Override
 93				public void run() {
 94					updateConversationList();
 95					if (paneShouldBeOpen) {
 96						if (conversationList.size() >= 1) {
 97							swapConversationFragment();
 98						} else {
 99							startActivity(new Intent(getApplicationContext(),
100									ContactsActivity.class));
101							finish();
102						}
103					}
104					ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
105							.findFragmentByTag("conversation");
106					if (selectedFragment != null) {
107						selectedFragment.updateMessages();
108					}
109				}
110			});
111		}
112	};
113
114	protected ConversationActivity activity = this;
115	private DisplayMetrics metrics;
116	private Toast prepareImageToast;
117
118	public List<Conversation> getConversationList() {
119		return this.conversationList;
120	}
121
122	public Conversation getSelectedConversation() {
123		return this.selectedConversation;
124	}
125
126	public void setSelectedConversation(Conversation conversation) {
127		this.selectedConversation = conversation;
128	}
129
130	public ListView getConversationListView() {
131		return this.listView;
132	}
133
134	public SlidingPaneLayout getSlidingPaneLayout() {
135		return this.spl;
136	}
137
138	public boolean shouldPaneBeOpen() {
139		return paneShouldBeOpen;
140	}
141
142	@Override
143	protected void onCreate(Bundle savedInstanceState) {
144
145		metrics = getResources().getDisplayMetrics();
146
147		super.onCreate(savedInstanceState);
148
149		setContentView(R.layout.fragment_conversations_overview);
150
151		listView = (ListView) findViewById(R.id.list);
152
153		this.listAdapter = new ArrayAdapter<Conversation>(this,
154				R.layout.conversation_list_row, conversationList) {
155			@Override
156			public View getView(int position, View view, ViewGroup parent) {
157				if (view == null) {
158					LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
159					view = (View) inflater.inflate(
160							R.layout.conversation_list_row, null);
161				}
162				Conversation conv;
163				if (conversationList.size() > position) {
164					conv = getItem(position);
165				} else {
166					return view;
167				}
168				if (!spl.isSlideable()) {
169					if (conv == getSelectedConversation()) {
170						view.setBackgroundColor(0xffdddddd);
171					} else {
172						view.setBackgroundColor(Color.TRANSPARENT);
173					}
174				} else {
175					view.setBackgroundColor(Color.TRANSPARENT);
176				}
177				TextView convName = (TextView) view
178						.findViewById(R.id.conversation_name);
179				convName.setText(conv.getName(useSubject));
180				TextView convLastMsg = (TextView) view
181						.findViewById(R.id.conversation_lastmsg);
182				ImageView imagePreview = (ImageView) view
183						.findViewById(R.id.conversation_lastimage);
184
185				Message latestMessage = conv.getLatestMessage();
186
187				if (latestMessage.getType() == Message.TYPE_TEXT) {
188					if ((latestMessage.getEncryption() != Message.ENCRYPTION_PGP)
189							&& (latestMessage.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED)) {
190						convLastMsg.setText(conv.getLatestMessage().getBody());
191					} else {
192						convLastMsg
193								.setText(getText(R.string.encrypted_message_received));
194					}
195					convLastMsg.setVisibility(View.VISIBLE);
196					imagePreview.setVisibility(View.GONE);
197				} else if (latestMessage.getType() == Message.TYPE_IMAGE) {
198					if (latestMessage.getStatus() >= Message.STATUS_RECIEVED) {
199						convLastMsg.setVisibility(View.GONE);
200						imagePreview.setVisibility(View.VISIBLE);
201						loadBitmap(latestMessage, imagePreview);
202					} else {
203						convLastMsg.setVisibility(View.VISIBLE);
204						imagePreview.setVisibility(View.GONE);
205						if (latestMessage.getStatus() == Message.STATUS_RECEIVED_OFFER) {
206							convLastMsg
207									.setText(getText(R.string.image_offered_for_download));
208						} else if (latestMessage.getStatus() == Message.STATUS_RECIEVING) {
209							convLastMsg
210									.setText(getText(R.string.receiving_image));
211						} else {
212							convLastMsg.setText("");
213						}
214					}
215				}
216
217				if (!conv.isRead()) {
218					convName.setTypeface(null, Typeface.BOLD);
219					convLastMsg.setTypeface(null, Typeface.BOLD);
220				} else {
221					convName.setTypeface(null, Typeface.NORMAL);
222					convLastMsg.setTypeface(null, Typeface.NORMAL);
223				}
224
225				((TextView) view.findViewById(R.id.conversation_lastupdate))
226						.setText(UIHelper.readableTimeDifference(getContext(),
227								conv.getLatestMessage().getTimeSent()));
228
229				ImageView profilePicture = (ImageView) view
230						.findViewById(R.id.conversation_image);
231				profilePicture.setImageBitmap(UIHelper.getContactPicture(conv,
232						56, activity.getApplicationContext(), false));
233
234				return view;
235			}
236
237		};
238
239		listView.setAdapter(this.listAdapter);
240
241		listView.setOnItemClickListener(new OnItemClickListener() {
242
243			@Override
244			public void onItemClick(AdapterView<?> arg0, View clickedView,
245					int position, long arg3) {
246				paneShouldBeOpen = false;
247				if (getSelectedConversation() != conversationList.get(position)) {
248					setSelectedConversation(conversationList.get(position));
249					swapConversationFragment(); // .onBackendConnected(conversationList.get(position));
250				} else {
251					spl.closePane();
252				}
253			}
254		});
255		spl = (SlidingPaneLayout) findViewById(R.id.slidingpanelayout);
256		spl.setParallaxDistance(150);
257		spl.setShadowResource(R.drawable.es_slidingpane_shadow);
258		spl.setSliderFadeColor(0);
259		spl.setPanelSlideListener(new PanelSlideListener() {
260
261			@Override
262			public void onPanelOpened(View arg0) {
263				paneShouldBeOpen = true;
264				getActionBar().setDisplayHomeAsUpEnabled(false);
265				getActionBar().setHomeButtonEnabled(false);
266				getActionBar().setTitle(R.string.app_name);
267				invalidateOptionsMenu();
268				hideKeyboard();
269			}
270
271			@Override
272			public void onPanelClosed(View arg0) {
273				paneShouldBeOpen = false;
274				if ((conversationList.size() > 0)
275						&& (getSelectedConversation() != null)) {
276					getActionBar().setDisplayHomeAsUpEnabled(true);
277					getActionBar().setHomeButtonEnabled(true);
278					getActionBar().setTitle(
279							getSelectedConversation().getName(useSubject));
280					invalidateOptionsMenu();
281					if (!getSelectedConversation().isRead()) {
282						xmppConnectionService
283								.markRead(getSelectedConversation());
284						UIHelper.updateNotification(getApplicationContext(),
285								getConversationList(), null, false);
286						listView.invalidateViews();
287					}
288				}
289			}
290
291			@Override
292			public void onPanelSlide(View arg0, float arg1) {
293				// TODO Auto-generated method stub
294
295			}
296		});
297	}
298
299	@Override
300	public boolean onCreateOptionsMenu(Menu menu) {
301		getMenuInflater().inflate(R.menu.conversations, menu);
302		MenuItem menuSecure = (MenuItem) menu.findItem(R.id.action_security);
303		MenuItem menuArchive = (MenuItem) menu.findItem(R.id.action_archive);
304		MenuItem menuMucDetails = (MenuItem) menu
305				.findItem(R.id.action_muc_details);
306		MenuItem menuContactDetails = (MenuItem) menu
307				.findItem(R.id.action_contact_details);
308		MenuItem menuInviteContacts = (MenuItem) menu
309				.findItem(R.id.action_invite);
310		MenuItem menuAttach = (MenuItem) menu.findItem(R.id.action_attach_file);
311		MenuItem menuClearHistory = (MenuItem) menu
312				.findItem(R.id.action_clear_history);
313
314		if ((spl.isOpen() && (spl.isSlideable()))) {
315			menuArchive.setVisible(false);
316			menuMucDetails.setVisible(false);
317			menuContactDetails.setVisible(false);
318			menuSecure.setVisible(false);
319			menuInviteContacts.setVisible(false);
320			menuAttach.setVisible(false);
321			menuClearHistory.setVisible(false);
322		} else {
323			((MenuItem) menu.findItem(R.id.action_add)).setVisible(!spl
324					.isSlideable());
325			if (this.getSelectedConversation() != null) {
326				if (this.getSelectedConversation().getLatestMessage()
327						.getEncryption() != Message.ENCRYPTION_NONE) {
328					menuSecure.setIcon(R.drawable.ic_action_secure);
329				}
330				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
331					menuContactDetails.setVisible(false);
332					menuAttach.setVisible(false);
333				} else {
334					menuMucDetails.setVisible(false);
335					menuInviteContacts.setVisible(false);
336				}
337			}
338		}
339		return true;
340	}
341
342	private void selectPresenceToAttachFile(final int attachmentChoice) {
343		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
344
345			@Override
346			public void onPresenceSelected() {
347				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
348					Intent takePictureIntent = new Intent(
349							MediaStore.ACTION_IMAGE_CAPTURE);
350					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
351							ImageProvider.getIncomingContentUri());
352					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
353						startActivityForResult(takePictureIntent,
354								REQUEST_IMAGE_CAPTURE);
355					}
356				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
357					Intent attachFileIntent = new Intent();
358					attachFileIntent.setType("image/*");
359					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
360					Intent chooser = Intent.createChooser(attachFileIntent,
361							getString(R.string.attach_file));
362					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
363				} else if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
364					Intent intent = new Intent(
365							MediaStore.Audio.Media.RECORD_SOUND_ACTION);
366					startActivityForResult(intent, REQUEST_RECORD_AUDIO);
367				}
368			}
369		});
370	}
371
372	private void attachFile(final int attachmentChoice) {
373		final Conversation conversation = getSelectedConversation();
374		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
375			if (hasPgp()) {
376				if (conversation.getContact().getPgpKeyId() != 0) {
377					xmppConnectionService.getPgpEngine().hasKey(
378							conversation.getContact(),
379							new UiCallback<Contact>() {
380
381								@Override
382								public void userInputRequried(PendingIntent pi,
383										Contact contact) {
384									ConversationActivity.this.runIntent(pi,
385											attachmentChoice);
386								}
387
388								@Override
389								public void success(Contact contact) {
390									selectPresenceToAttachFile(attachmentChoice);
391								}
392
393								@Override
394								public void error(int error, Contact contact) {
395									displayErrorDialog(error);
396								}
397							});
398				} else {
399					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
400							.findFragmentByTag("conversation");
401					if (fragment != null) {
402						fragment.showNoPGPKeyDialog(false,
403								new OnClickListener() {
404
405									@Override
406									public void onClick(DialogInterface dialog,
407											int which) {
408										conversation
409												.setNextEncryption(Message.ENCRYPTION_NONE);
410										selectPresenceToAttachFile(attachmentChoice);
411									}
412								});
413					}
414				}
415			} else {
416				showInstallPgpDialog();
417			}
418		} else if (getSelectedConversation().getNextEncryption() == Message.ENCRYPTION_NONE) {
419			selectPresenceToAttachFile(attachmentChoice);
420		} else {
421			selectPresenceToAttachFile(attachmentChoice);
422			/*AlertDialog.Builder builder = new AlertDialog.Builder(this);
423			builder.setTitle(getString(R.string.otr_file_transfer));
424			builder.setMessage(getString(R.string.otr_file_transfer_msg));
425			builder.setNegativeButton(getString(R.string.cancel), null);
426			if (conversation.getContact().getPgpKeyId() == 0) {
427				builder.setPositiveButton(getString(R.string.send_unencrypted),
428						new OnClickListener() {
429
430							@Override
431							public void onClick(DialogInterface dialog,
432									int which) {
433								conversation
434										.setNextEncryption(Message.ENCRYPTION_NONE);
435								attachFile(attachmentChoice);
436							}
437						});
438			} else {
439				builder.setPositiveButton(
440						getString(R.string.use_pgp_encryption),
441						new OnClickListener() {
442
443							@Override
444							public void onClick(DialogInterface dialog,
445									int which) {
446								conversation
447										.setNextEncryption(Message.ENCRYPTION_PGP);
448								attachFile(attachmentChoice);
449							}
450						});
451			}
452			builder.create().show();*/
453		}
454	}
455
456	@Override
457	public boolean onOptionsItemSelected(MenuItem item) {
458		switch (item.getItemId()) {
459		case android.R.id.home:
460			spl.openPane();
461			break;
462		case R.id.action_attach_file:
463			View menuAttachFile = findViewById(R.id.action_attach_file);
464			if (menuAttachFile==null) {
465				break;
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			break;
490		case R.id.action_add:
491			startActivity(new Intent(this, ContactsActivity.class));
492			break;
493		case R.id.action_archive:
494			this.endConversation(getSelectedConversation());
495			break;
496		case R.id.action_contact_details:
497			Contact contact = this.getSelectedConversation().getContact();
498			if (contact.showInRoster()) {
499				Intent intent = new Intent(this, ContactDetailsActivity.class);
500				intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
501				intent.putExtra("account", this.getSelectedConversation()
502						.getAccount().getJid());
503				intent.putExtra("contact", contact.getJid());
504				startActivity(intent);
505			} else {
506				showAddToRosterDialog(getSelectedConversation());
507			}
508			break;
509		case R.id.action_muc_details:
510			Intent intent = new Intent(this, MucDetailsActivity.class);
511			intent.setAction(MucDetailsActivity.ACTION_VIEW_MUC);
512			intent.putExtra("uuid", getSelectedConversation().getUuid());
513			startActivity(intent);
514			break;
515		case R.id.action_invite:
516			Intent inviteIntent = new Intent(getApplicationContext(),
517					ContactsActivity.class);
518			inviteIntent.setAction("invite");
519			inviteIntent.putExtra("uuid", getSelectedConversation().getUuid());
520			startActivity(inviteIntent);
521			break;
522		case R.id.action_security:
523			final Conversation conversation = getSelectedConversation();
524			View menuItemView = findViewById(R.id.action_security);
525			if (menuItemView==null) {
526				break;
527			}
528			PopupMenu popup = new PopupMenu(this, menuItemView);
529			final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
530					.findFragmentByTag("conversation");
531			if (fragment != null) {
532				popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
533
534					@Override
535					public boolean onMenuItemClick(MenuItem item) {
536						switch (item.getItemId()) {
537						case R.id.encryption_choice_none:
538							conversation
539									.setNextEncryption(Message.ENCRYPTION_NONE);
540							item.setChecked(true);
541							break;
542						case R.id.encryption_choice_otr:
543							conversation
544									.setNextEncryption(Message.ENCRYPTION_OTR);
545							item.setChecked(true);
546							break;
547						case R.id.encryption_choice_pgp:
548							if (hasPgp()) {
549								if (conversation.getAccount().getKeys()
550										.has("pgp_signature")) {
551									conversation
552											.setNextEncryption(Message.ENCRYPTION_PGP);
553									item.setChecked(true);
554								} else {
555									announcePgp(conversation.getAccount(),
556											conversation);
557								}
558							} else {
559								showInstallPgpDialog();
560							}
561							break;
562						default:
563							conversation
564									.setNextEncryption(Message.ENCRYPTION_NONE);
565							break;
566						}
567						fragment.updateChatMsgHint();
568						return true;
569					}
570				});
571				popup.inflate(R.menu.encryption_choices);
572				MenuItem otr = popup.getMenu().findItem(
573						R.id.encryption_choice_otr);
574				if (conversation.getMode() == Conversation.MODE_MULTI) {
575					otr.setEnabled(false);
576				}
577				switch (conversation.getNextEncryption()) {
578				case Message.ENCRYPTION_NONE:
579					popup.getMenu().findItem(R.id.encryption_choice_none)
580							.setChecked(true);
581					break;
582				case Message.ENCRYPTION_OTR:
583					otr.setChecked(true);
584					break;
585				case Message.ENCRYPTION_PGP:
586					popup.getMenu().findItem(R.id.encryption_choice_pgp)
587							.setChecked(true);
588					break;
589				default:
590					popup.getMenu().findItem(R.id.encryption_choice_none)
591							.setChecked(true);
592					break;
593				}
594				popup.show();
595			}
596
597			break;
598		case R.id.action_clear_history:
599			clearHistoryDialog(getSelectedConversation());
600			break;
601		default:
602			break;
603		}
604		return super.onOptionsItemSelected(item);
605	}
606
607	private void endConversation(Conversation conversation) {
608		conversation.setStatus(Conversation.STATUS_ARCHIVED);
609		paneShouldBeOpen = true;
610		spl.openPane();
611		xmppConnectionService.archiveConversation(conversation);
612		if (conversationList.size() > 0) {
613			setSelectedConversation(conversationList.get(0));
614		} else {
615			setSelectedConversation(null);
616		}
617	}
618
619	protected void clearHistoryDialog(final Conversation conversation) {
620		AlertDialog.Builder builder = new AlertDialog.Builder(this);
621		builder.setTitle(getString(R.string.clear_conversation_history));
622		View dialogView = getLayoutInflater().inflate(
623				R.layout.dialog_clear_history, null);
624		final CheckBox endConversationCheckBox = (CheckBox) dialogView
625				.findViewById(R.id.end_conversation_checkbox);
626		builder.setView(dialogView);
627		builder.setNegativeButton(getString(R.string.cancel), null);
628		builder.setPositiveButton(getString(R.string.delete_messages),
629				new OnClickListener() {
630
631					@Override
632					public void onClick(DialogInterface dialog, int which) {
633						activity.xmppConnectionService
634								.clearConversationHistory(conversation);
635						if (endConversationCheckBox.isChecked()) {
636							endConversation(conversation);
637						}
638					}
639				});
640		builder.create().show();
641	}
642
643	protected ConversationFragment swapConversationFragment() {
644		ConversationFragment selectedFragment = new ConversationFragment();
645
646		FragmentTransaction transaction = getFragmentManager()
647				.beginTransaction();
648		transaction.replace(R.id.selected_conversation, selectedFragment,
649				"conversation");
650		transaction.commitAllowingStateLoss();
651		return selectedFragment;
652	}
653
654	@Override
655	public boolean onKeyDown(int keyCode, KeyEvent event) {
656		if (keyCode == KeyEvent.KEYCODE_BACK) {
657			if (!spl.isOpen()) {
658				spl.openPane();
659				return false;
660			}
661		}
662		return super.onKeyDown(keyCode, event);
663	}
664
665	@Override
666	protected void onNewIntent(Intent intent) {
667		if ((Intent.ACTION_VIEW.equals(intent.getAction()) && (VIEW_CONVERSATION
668				.equals(intent.getType())))) {
669			String convToView = (String) intent.getExtras().get(CONVERSATION);
670			updateConversationList();
671			for (int i = 0; i < conversationList.size(); ++i) {
672				if (conversationList.get(i).getUuid().equals(convToView)) {
673					setSelectedConversation(conversationList.get(i));
674					break;
675				}
676			}
677			paneShouldBeOpen = false;
678			String text = intent.getExtras().getString(TEXT, null);
679			swapConversationFragment().setText(text);
680		}
681	}
682
683	@Override
684	public void onStart() {
685		super.onStart();
686		SharedPreferences preferences = PreferenceManager
687				.getDefaultSharedPreferences(this);
688		this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
689		this.showLastseen = preferences.getBoolean("show_last_seen", false);
690		if (this.xmppConnectionServiceBound) {
691			this.onBackendConnected();
692		}
693		if (conversationList.size() >= 1) {
694			onConvChanged.onConversationListChanged();
695		}
696	}
697
698	@Override
699	protected void onStop() {
700		if (xmppConnectionServiceBound) {
701			xmppConnectionService.removeOnConversationListChangedListener();
702		}
703		super.onStop();
704	}
705
706	@Override
707	void onBackendConnected() {
708		this.registerListener();
709		if (conversationList.size() == 0) {
710			updateConversationList();
711		}
712
713		if ((getIntent().getAction() != null)
714				&& (getIntent().getAction().equals(Intent.ACTION_VIEW) && (!handledViewIntent))) {
715			if (getIntent().getType().equals(
716					ConversationActivity.VIEW_CONVERSATION)) {
717				handledViewIntent = true;
718
719				String convToView = (String) getIntent().getExtras().get(
720						CONVERSATION);
721
722				for (int i = 0; i < conversationList.size(); ++i) {
723					if (conversationList.get(i).getUuid().equals(convToView)) {
724						setSelectedConversation(conversationList.get(i));
725					}
726				}
727				paneShouldBeOpen = false;
728				String text = getIntent().getExtras().getString(TEXT, null);
729				swapConversationFragment().setText(text);
730			}
731		} else {
732			if (xmppConnectionService.getAccounts().size() == 0) {
733				startActivity(new Intent(this, ManageAccountActivity.class));
734				finish();
735			} else if (conversationList.size() <= 0) {
736				// add no history
737				startActivity(new Intent(this, ContactsActivity.class));
738				finish();
739			} else {
740				spl.openPane();
741				// find currently loaded fragment
742				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
743						.findFragmentByTag("conversation");
744				if (selectedFragment != null) {
745					selectedFragment.onBackendConnected();
746				} else {
747					setSelectedConversation(conversationList.get(0));
748					swapConversationFragment();
749				}
750				ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
751			}
752		}
753	}
754
755	public void registerListener() {
756		if (xmppConnectionServiceBound) {
757			xmppConnectionService
758					.setOnConversationListChangedListener(this.onConvChanged);
759		}
760	}
761
762	@Override
763	protected void onActivityResult(int requestCode, int resultCode,
764			final Intent data) {
765		super.onActivityResult(requestCode, resultCode, data);
766		if (resultCode == RESULT_OK) {
767			if (requestCode == REQUEST_DECRYPT_PGP) {
768				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
769						.findFragmentByTag("conversation");
770				if (selectedFragment != null) {
771					selectedFragment.hidePgpPassphraseBox();
772				}
773			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
774				attachImageToConversation(getSelectedConversation(),
775						data.getData());
776			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
777
778			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
779				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
780			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
781				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
782			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
783				announcePgp(getSelectedConversation().getAccount(),
784						getSelectedConversation());
785			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
786				// encryptTextMessage();
787			} else if (requestCode == REQUEST_IMAGE_CAPTURE) {
788				attachImageToConversation(getSelectedConversation(), null);
789			} else if (requestCode == REQUEST_RECORD_AUDIO) {
790				Log.d("xmppService", data.getData().toString());
791				attachAudioToConversation(getSelectedConversation(),
792						data.getData());
793			} else {
794				Log.d(LOGTAG, "unknown result code:" + requestCode);
795			}
796		}
797	}
798
799	private void attachAudioToConversation(Conversation conversation, Uri uri) {
800
801	}
802
803	private void attachImageToConversation(Conversation conversation, Uri uri) {
804		prepareImageToast = Toast.makeText(getApplicationContext(),
805				getText(R.string.preparing_image), Toast.LENGTH_LONG);
806		prepareImageToast.show();
807		xmppConnectionService.attachImageToConversation(conversation, uri,
808				new UiCallback<Message>() {
809
810					@Override
811					public void userInputRequried(PendingIntent pi,
812							Message object) {
813						hidePrepareImageToast();
814						ConversationActivity.this.runIntent(pi,
815								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
816					}
817
818					@Override
819					public void success(Message message) {
820						xmppConnectionService.sendMessage(message);
821					}
822
823					@Override
824					public void error(int error, Message message) {
825						hidePrepareImageToast();
826						displayErrorDialog(error);
827					}
828				});
829	}
830
831	private void hidePrepareImageToast() {
832		if (prepareImageToast != null) {
833			runOnUiThread(new Runnable() {
834
835				@Override
836				public void run() {
837					prepareImageToast.cancel();
838				}
839			});
840		}
841	}
842
843	public void updateConversationList() {
844		conversationList.clear();
845		conversationList.addAll(xmppConnectionService.getConversations());
846		listView.invalidateViews();
847	}
848
849	public boolean showLastseen() {
850		if (getSelectedConversation() == null) {
851			return false;
852		} else {
853			return this.showLastseen
854					&& getSelectedConversation().getMode() == Conversation.MODE_SINGLE;
855		}
856	}
857
858	public void runIntent(PendingIntent pi, int requestCode) {
859		try {
860			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
861					null, 0, 0, 0);
862		} catch (SendIntentException e1) {
863			Log.d("xmppService", "failed to start intent to send message");
864		}
865	}
866
867	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
868		private final WeakReference<ImageView> imageViewReference;
869		private Message message = null;
870
871		public BitmapWorkerTask(ImageView imageView) {
872			imageViewReference = new WeakReference<ImageView>(imageView);
873		}
874
875		@Override
876		protected Bitmap doInBackground(Message... params) {
877			message = params[0];
878			try {
879				return xmppConnectionService.getFileBackend().getThumbnail(
880						message, (int) (metrics.density * 288), false);
881			} catch (FileNotFoundException e) {
882				Log.d("xmppService", "file not found!");
883				return null;
884			}
885		}
886
887		@Override
888		protected void onPostExecute(Bitmap bitmap) {
889			if (imageViewReference != null && bitmap != null) {
890				final ImageView imageView = imageViewReference.get();
891				if (imageView != null) {
892					imageView.setImageBitmap(bitmap);
893					imageView.setBackgroundColor(0x00000000);
894				}
895			}
896		}
897	}
898
899	public void loadBitmap(Message message, ImageView imageView) {
900		Bitmap bm;
901		try {
902			bm = xmppConnectionService.getFileBackend().getThumbnail(message,
903					(int) (metrics.density * 288), true);
904		} catch (FileNotFoundException e) {
905			bm = null;
906		}
907		if (bm != null) {
908			imageView.setImageBitmap(bm);
909			imageView.setBackgroundColor(0x00000000);
910		} else {
911			if (cancelPotentialWork(message, imageView)) {
912				imageView.setBackgroundColor(0xff333333);
913				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
914				final AsyncDrawable asyncDrawable = new AsyncDrawable(
915						getResources(), null, task);
916				imageView.setImageDrawable(asyncDrawable);
917				task.execute(message);
918			}
919		}
920	}
921
922	public static boolean cancelPotentialWork(Message message,
923			ImageView imageView) {
924		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
925
926		if (bitmapWorkerTask != null) {
927			final Message oldMessage = bitmapWorkerTask.message;
928			if (oldMessage == null || message != oldMessage) {
929				bitmapWorkerTask.cancel(true);
930			} else {
931				return false;
932			}
933		}
934		return true;
935	}
936
937	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
938		if (imageView != null) {
939			final Drawable drawable = imageView.getDrawable();
940			if (drawable instanceof AsyncDrawable) {
941				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
942				return asyncDrawable.getBitmapWorkerTask();
943			}
944		}
945		return null;
946	}
947
948	static class AsyncDrawable extends BitmapDrawable {
949		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
950
951		public AsyncDrawable(Resources res, Bitmap bitmap,
952				BitmapWorkerTask bitmapWorkerTask) {
953			super(res, bitmap);
954			bitmapWorkerTaskReference = new WeakReference<BitmapWorkerTask>(
955					bitmapWorkerTask);
956		}
957
958		public BitmapWorkerTask getBitmapWorkerTask() {
959			return bitmapWorkerTaskReference.get();
960		}
961	}
962
963	public void encryptTextMessage(Message message) {
964		xmppConnectionService.getPgpEngine().encrypt(message,
965				new UiCallback<Message>() {
966
967					@Override
968					public void userInputRequried(PendingIntent pi,
969							Message message) {
970						activity.runIntent(pi,
971								ConversationActivity.REQUEST_SEND_MESSAGE);
972					}
973
974					@Override
975					public void success(Message message) {
976						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
977						xmppConnectionService.sendMessage(message);
978					}
979
980					@Override
981					public void error(int error, Message message) {
982
983					}
984				});
985	}
986}