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									StartConversation.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		}
423	}
424
425	@Override
426	public boolean onOptionsItemSelected(MenuItem item) {
427		switch (item.getItemId()) {
428		case android.R.id.home:
429			spl.openPane();
430			break;
431		case R.id.action_attach_file:
432			View menuAttachFile = findViewById(R.id.action_attach_file);
433			if (menuAttachFile==null) {
434				break;
435			}
436			PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
437			attachFilePopup.inflate(R.menu.attachment_choices);
438			attachFilePopup
439					.setOnMenuItemClickListener(new OnMenuItemClickListener() {
440
441						@Override
442						public boolean onMenuItemClick(MenuItem item) {
443							switch (item.getItemId()) {
444							case R.id.attach_choose_picture:
445								attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
446								break;
447							case R.id.attach_take_picture:
448								attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
449								break;
450							case R.id.attach_record_voice:
451								attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
452								break;
453							}
454							return false;
455						}
456					});
457			attachFilePopup.show();
458			break;
459		case R.id.action_add:
460			startActivity(new Intent(this, StartConversation.class));
461			break;
462		case R.id.action_archive:
463			this.endConversation(getSelectedConversation());
464			break;
465		case R.id.action_contact_details:
466			Contact contact = this.getSelectedConversation().getContact();
467			if (contact.showInRoster()) {
468				switchToContactDetails(contact);
469			} else {
470				showAddToRosterDialog(getSelectedConversation());
471			}
472			break;
473		case R.id.action_muc_details:
474			Intent intent = new Intent(this, MucDetailsActivity.class);
475			intent.setAction(MucDetailsActivity.ACTION_VIEW_MUC);
476			intent.putExtra("uuid", getSelectedConversation().getUuid());
477			startActivity(intent);
478			break;
479		case R.id.action_invite:
480			/*Intent inviteIntent = new Intent(getApplicationContext(),
481					ContactsActivity.class);
482			inviteIntent.setAction("invite");
483			inviteIntent.putExtra("uuid", getSelectedConversation().getUuid());
484			startActivity(inviteIntent);*/
485			break;
486		case R.id.action_security:
487			final Conversation conversation = getSelectedConversation();
488			View menuItemView = findViewById(R.id.action_security);
489			if (menuItemView==null) {
490				break;
491			}
492			PopupMenu popup = new PopupMenu(this, menuItemView);
493			final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
494					.findFragmentByTag("conversation");
495			if (fragment != null) {
496				popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
497
498					@Override
499					public boolean onMenuItemClick(MenuItem item) {
500						switch (item.getItemId()) {
501						case R.id.encryption_choice_none:
502							conversation
503									.setNextEncryption(Message.ENCRYPTION_NONE);
504							item.setChecked(true);
505							break;
506						case R.id.encryption_choice_otr:
507							conversation
508									.setNextEncryption(Message.ENCRYPTION_OTR);
509							item.setChecked(true);
510							break;
511						case R.id.encryption_choice_pgp:
512							if (hasPgp()) {
513								if (conversation.getAccount().getKeys()
514										.has("pgp_signature")) {
515									conversation
516											.setNextEncryption(Message.ENCRYPTION_PGP);
517									item.setChecked(true);
518								} else {
519									announcePgp(conversation.getAccount(),
520											conversation);
521								}
522							} else {
523								showInstallPgpDialog();
524							}
525							break;
526						default:
527							conversation
528									.setNextEncryption(Message.ENCRYPTION_NONE);
529							break;
530						}
531						fragment.updateChatMsgHint();
532						return true;
533					}
534				});
535				popup.inflate(R.menu.encryption_choices);
536				MenuItem otr = popup.getMenu().findItem(
537						R.id.encryption_choice_otr);
538				if (conversation.getMode() == Conversation.MODE_MULTI) {
539					otr.setEnabled(false);
540				}
541				switch (conversation.getNextEncryption()) {
542				case Message.ENCRYPTION_NONE:
543					popup.getMenu().findItem(R.id.encryption_choice_none)
544							.setChecked(true);
545					break;
546				case Message.ENCRYPTION_OTR:
547					otr.setChecked(true);
548					break;
549				case Message.ENCRYPTION_PGP:
550					popup.getMenu().findItem(R.id.encryption_choice_pgp)
551							.setChecked(true);
552					break;
553				default:
554					popup.getMenu().findItem(R.id.encryption_choice_none)
555							.setChecked(true);
556					break;
557				}
558				popup.show();
559			}
560
561			break;
562		case R.id.action_clear_history:
563			clearHistoryDialog(getSelectedConversation());
564			break;
565		default:
566			break;
567		}
568		return super.onOptionsItemSelected(item);
569	}
570
571	private void endConversation(Conversation conversation) {
572		conversation.setStatus(Conversation.STATUS_ARCHIVED);
573		paneShouldBeOpen = true;
574		spl.openPane();
575		xmppConnectionService.archiveConversation(conversation);
576		if (conversationList.size() > 0) {
577			setSelectedConversation(conversationList.get(0));
578		} else {
579			setSelectedConversation(null);
580		}
581	}
582
583	protected void clearHistoryDialog(final Conversation conversation) {
584		AlertDialog.Builder builder = new AlertDialog.Builder(this);
585		builder.setTitle(getString(R.string.clear_conversation_history));
586		View dialogView = getLayoutInflater().inflate(
587				R.layout.dialog_clear_history, null);
588		final CheckBox endConversationCheckBox = (CheckBox) dialogView
589				.findViewById(R.id.end_conversation_checkbox);
590		builder.setView(dialogView);
591		builder.setNegativeButton(getString(R.string.cancel), null);
592		builder.setPositiveButton(getString(R.string.delete_messages),
593				new OnClickListener() {
594
595					@Override
596					public void onClick(DialogInterface dialog, int which) {
597						activity.xmppConnectionService
598								.clearConversationHistory(conversation);
599						if (endConversationCheckBox.isChecked()) {
600							endConversation(conversation);
601						}
602					}
603				});
604		builder.create().show();
605	}
606
607	protected ConversationFragment swapConversationFragment() {
608		ConversationFragment selectedFragment = new ConversationFragment();
609
610		FragmentTransaction transaction = getFragmentManager()
611				.beginTransaction();
612		transaction.replace(R.id.selected_conversation, selectedFragment,
613				"conversation");
614		transaction.commitAllowingStateLoss();
615		return selectedFragment;
616	}
617
618	@Override
619	public boolean onKeyDown(int keyCode, KeyEvent event) {
620		if (keyCode == KeyEvent.KEYCODE_BACK) {
621			if (!spl.isOpen()) {
622				spl.openPane();
623				return false;
624			}
625		}
626		return super.onKeyDown(keyCode, event);
627	}
628
629	@Override
630	protected void onNewIntent(Intent intent) {
631		if ((Intent.ACTION_VIEW.equals(intent.getAction()) && (VIEW_CONVERSATION
632				.equals(intent.getType())))) {
633			String convToView = (String) intent.getExtras().get(CONVERSATION);
634			updateConversationList();
635			for (int i = 0; i < conversationList.size(); ++i) {
636				if (conversationList.get(i).getUuid().equals(convToView)) {
637					setSelectedConversation(conversationList.get(i));
638					break;
639				}
640			}
641			paneShouldBeOpen = false;
642			String text = intent.getExtras().getString(TEXT, null);
643			swapConversationFragment().setText(text);
644		}
645	}
646
647	@Override
648	public void onStart() {
649		super.onStart();
650		SharedPreferences preferences = PreferenceManager
651				.getDefaultSharedPreferences(this);
652		this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
653		this.showLastseen = preferences.getBoolean("show_last_seen", false);
654		if (this.xmppConnectionServiceBound) {
655			this.onBackendConnected();
656		}
657		if (conversationList.size() >= 1) {
658			onConvChanged.onConversationListChanged();
659		}
660	}
661
662	@Override
663	protected void onStop() {
664		if (xmppConnectionServiceBound) {
665			xmppConnectionService.removeOnConversationListChangedListener();
666		}
667		super.onStop();
668	}
669
670	@Override
671	void onBackendConnected() {
672		this.registerListener();
673		if (conversationList.size() == 0) {
674			updateConversationList();
675		}
676
677		if ((getIntent().getAction() != null)
678				&& (getIntent().getAction().equals(Intent.ACTION_VIEW) && (!handledViewIntent))) {
679			if (getIntent().getType().equals(
680					ConversationActivity.VIEW_CONVERSATION)) {
681				handledViewIntent = true;
682
683				String convToView = (String) getIntent().getExtras().get(
684						CONVERSATION);
685
686				for (int i = 0; i < conversationList.size(); ++i) {
687					if (conversationList.get(i).getUuid().equals(convToView)) {
688						setSelectedConversation(conversationList.get(i));
689					}
690				}
691				paneShouldBeOpen = false;
692				String text = getIntent().getExtras().getString(TEXT, null);
693				swapConversationFragment().setText(text);
694			}
695		} else {
696			if (xmppConnectionService.getAccounts().size() == 0) {
697				startActivity(new Intent(this, ManageAccountActivity.class));
698				finish();
699			} else if (conversationList.size() <= 0) {
700				// add no history
701				startActivity(new Intent(this, StartConversation.class));
702				finish();
703			} else {
704				spl.openPane();
705				// find currently loaded fragment
706				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
707						.findFragmentByTag("conversation");
708				if (selectedFragment != null) {
709					selectedFragment.onBackendConnected();
710				} else {
711					setSelectedConversation(conversationList.get(0));
712					swapConversationFragment();
713				}
714				ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
715			}
716		}
717	}
718
719	public void registerListener() {
720		if (xmppConnectionServiceBound) {
721			xmppConnectionService
722					.setOnConversationListChangedListener(this.onConvChanged);
723		}
724	}
725
726	@Override
727	protected void onActivityResult(int requestCode, int resultCode,
728			final Intent data) {
729		super.onActivityResult(requestCode, resultCode, data);
730		if (resultCode == RESULT_OK) {
731			if (requestCode == REQUEST_DECRYPT_PGP) {
732				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
733						.findFragmentByTag("conversation");
734				if (selectedFragment != null) {
735					selectedFragment.hideSnackbar();
736				}
737			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
738				attachImageToConversation(getSelectedConversation(),
739						data.getData());
740			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
741
742			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
743				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
744			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
745				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
746			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
747				announcePgp(getSelectedConversation().getAccount(),
748						getSelectedConversation());
749			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
750				// encryptTextMessage();
751			} else if (requestCode == REQUEST_IMAGE_CAPTURE) {
752				attachImageToConversation(getSelectedConversation(), null);
753			} else if (requestCode == REQUEST_RECORD_AUDIO) {
754				Log.d("xmppService", data.getData().toString());
755				attachAudioToConversation(getSelectedConversation(),
756						data.getData());
757			} else {
758				Log.d(LOGTAG, "unknown result code:" + requestCode);
759			}
760		}
761	}
762
763	private void attachAudioToConversation(Conversation conversation, Uri uri) {
764
765	}
766
767	private void attachImageToConversation(Conversation conversation, Uri uri) {
768		prepareImageToast = Toast.makeText(getApplicationContext(),
769				getText(R.string.preparing_image), Toast.LENGTH_LONG);
770		prepareImageToast.show();
771		xmppConnectionService.attachImageToConversation(conversation, uri,
772				new UiCallback<Message>() {
773
774					@Override
775					public void userInputRequried(PendingIntent pi,
776							Message object) {
777						hidePrepareImageToast();
778						ConversationActivity.this.runIntent(pi,
779								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
780					}
781
782					@Override
783					public void success(Message message) {
784						xmppConnectionService.sendMessage(message);
785					}
786
787					@Override
788					public void error(int error, Message message) {
789						hidePrepareImageToast();
790						displayErrorDialog(error);
791					}
792				});
793	}
794
795	private void hidePrepareImageToast() {
796		if (prepareImageToast != null) {
797			runOnUiThread(new Runnable() {
798
799				@Override
800				public void run() {
801					prepareImageToast.cancel();
802				}
803			});
804		}
805	}
806
807	public void updateConversationList() {
808		conversationList.clear();
809		conversationList.addAll(xmppConnectionService.getConversations());
810		listView.invalidateViews();
811	}
812
813	public boolean showLastseen() {
814		if (getSelectedConversation() == null) {
815			return false;
816		} else {
817			return this.showLastseen
818					&& getSelectedConversation().getMode() == Conversation.MODE_SINGLE;
819		}
820	}
821
822	public void runIntent(PendingIntent pi, int requestCode) {
823		try {
824			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
825					null, 0, 0, 0);
826		} catch (SendIntentException e1) {
827			Log.d("xmppService", "failed to start intent to send message");
828		}
829	}
830
831	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
832		private final WeakReference<ImageView> imageViewReference;
833		private Message message = null;
834
835		public BitmapWorkerTask(ImageView imageView) {
836			imageViewReference = new WeakReference<ImageView>(imageView);
837		}
838
839		@Override
840		protected Bitmap doInBackground(Message... params) {
841			message = params[0];
842			try {
843				return xmppConnectionService.getFileBackend().getThumbnail(
844						message, (int) (metrics.density * 288), false);
845			} catch (FileNotFoundException e) {
846				Log.d("xmppService", "file not found!");
847				return null;
848			}
849		}
850
851		@Override
852		protected void onPostExecute(Bitmap bitmap) {
853			if (imageViewReference != null && bitmap != null) {
854				final ImageView imageView = imageViewReference.get();
855				if (imageView != null) {
856					imageView.setImageBitmap(bitmap);
857					imageView.setBackgroundColor(0x00000000);
858				}
859			}
860		}
861	}
862
863	public void loadBitmap(Message message, ImageView imageView) {
864		Bitmap bm;
865		try {
866			bm = xmppConnectionService.getFileBackend().getThumbnail(message,
867					(int) (metrics.density * 288), true);
868		} catch (FileNotFoundException e) {
869			bm = null;
870		}
871		if (bm != null) {
872			imageView.setImageBitmap(bm);
873			imageView.setBackgroundColor(0x00000000);
874		} else {
875			if (cancelPotentialWork(message, imageView)) {
876				imageView.setBackgroundColor(0xff333333);
877				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
878				final AsyncDrawable asyncDrawable = new AsyncDrawable(
879						getResources(), null, task);
880				imageView.setImageDrawable(asyncDrawable);
881				task.execute(message);
882			}
883		}
884	}
885
886	public static boolean cancelPotentialWork(Message message,
887			ImageView imageView) {
888		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
889
890		if (bitmapWorkerTask != null) {
891			final Message oldMessage = bitmapWorkerTask.message;
892			if (oldMessage == null || message != oldMessage) {
893				bitmapWorkerTask.cancel(true);
894			} else {
895				return false;
896			}
897		}
898		return true;
899	}
900
901	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
902		if (imageView != null) {
903			final Drawable drawable = imageView.getDrawable();
904			if (drawable instanceof AsyncDrawable) {
905				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
906				return asyncDrawable.getBitmapWorkerTask();
907			}
908		}
909		return null;
910	}
911
912	static class AsyncDrawable extends BitmapDrawable {
913		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
914
915		public AsyncDrawable(Resources res, Bitmap bitmap,
916				BitmapWorkerTask bitmapWorkerTask) {
917			super(res, bitmap);
918			bitmapWorkerTaskReference = new WeakReference<BitmapWorkerTask>(
919					bitmapWorkerTask);
920		}
921
922		public BitmapWorkerTask getBitmapWorkerTask() {
923			return bitmapWorkerTaskReference.get();
924		}
925	}
926
927	public void encryptTextMessage(Message message) {
928		xmppConnectionService.getPgpEngine().encrypt(message,
929				new UiCallback<Message>() {
930
931					@Override
932					public void userInputRequried(PendingIntent pi,
933							Message message) {
934						activity.runIntent(pi,
935								ConversationActivity.REQUEST_SEND_MESSAGE);
936					}
937
938					@Override
939					public void success(Message message) {
940						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
941						xmppConnectionService.sendMessage(message);
942					}
943
944					@Override
945					public void error(int error, Message message) {
946
947					}
948				});
949	}
950}