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.services.XmppConnectionService.OnConversationUpdate;
 14import eu.siacs.conversations.utils.ExceptionHelper;
 15import eu.siacs.conversations.utils.UIHelper;
 16import android.net.Uri;
 17import android.os.AsyncTask;
 18import android.os.Bundle;
 19import android.preference.PreferenceManager;
 20import android.provider.MediaStore;
 21import android.app.ActionBar;
 22import android.app.AlertDialog;
 23import android.app.FragmentTransaction;
 24import android.app.PendingIntent;
 25import android.content.Context;
 26import android.content.DialogInterface;
 27import android.content.DialogInterface.OnClickListener;
 28import android.content.IntentSender.SendIntentException;
 29import android.content.Intent;
 30import android.content.SharedPreferences;
 31import android.content.res.Resources;
 32import android.graphics.Bitmap;
 33import android.graphics.Color;
 34import android.graphics.Typeface;
 35import android.graphics.drawable.BitmapDrawable;
 36import android.graphics.drawable.Drawable;
 37import android.support.v4.widget.SlidingPaneLayout;
 38import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 39import android.util.DisplayMetrics;
 40import android.view.KeyEvent;
 41import android.view.LayoutInflater;
 42import android.view.Menu;
 43import android.view.MenuItem;
 44import android.view.View;
 45import android.view.ViewGroup;
 46import android.widget.AdapterView;
 47import android.widget.AdapterView.OnItemClickListener;
 48import android.widget.ArrayAdapter;
 49import android.widget.CheckBox;
 50import android.widget.ListView;
 51import android.widget.PopupMenu;
 52import android.widget.PopupMenu.OnMenuItemClickListener;
 53import android.widget.TextView;
 54import android.widget.ImageView;
 55import android.widget.Toast;
 56
 57public class ConversationActivity extends XmppActivity {
 58
 59	public static final String VIEW_CONVERSATION = "viewConversation";
 60	public static final String CONVERSATION = "conversationUuid";
 61	public static final String TEXT = "text";
 62	public static final String PRESENCE = "eu.siacs.conversations.presence";
 63
 64	public static final int REQUEST_SEND_MESSAGE = 0x75441;
 65	public static final int REQUEST_DECRYPT_PGP = 0x76783;
 66	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x48502;
 67	private static final int REQUEST_IMAGE_CAPTURE = 0x33788;
 68	private static final int REQUEST_RECORD_AUDIO = 0x46189;
 69	private static final int REQUEST_SEND_PGP_IMAGE = 0x53883;
 70	public static final int REQUEST_ENCRYPT_MESSAGE = 0x378018;
 71
 72	private static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x92734;
 73	private static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x84123;
 74	private static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x75291;
 75
 76	protected SlidingPaneLayout spl;
 77
 78	private List<Conversation> conversationList = new ArrayList<Conversation>();
 79	private Conversation selectedConversation = null;
 80	private ListView listView;
 81
 82	private boolean paneShouldBeOpen = true;
 83	private boolean useSubject = true;
 84	private boolean showLastseen = false;
 85	private ArrayAdapter<Conversation> listAdapter;
 86
 87	private OnConversationUpdate onConvChanged = new OnConversationUpdate() {
 88		
 89		@Override
 90		public void onConversationUpdate() {
 91			runOnUiThread(new Runnable() {
 92
 93				@Override
 94				public void run() {
 95					updateConversationList();
 96					if (paneShouldBeOpen) {
 97						if (conversationList.size() >= 1) {
 98							swapConversationFragment();
 99						} else {
100							startActivity(new Intent(getApplicationContext(),
101									StartConversationActivity.class));
102							finish();
103						}
104					}
105					ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
106							.findFragmentByTag("conversation");
107					if (selectedFragment != null) {
108						selectedFragment.updateMessages();
109					}
110				}
111			});
112		}
113	};
114
115	protected ConversationActivity activity = this;
116	private DisplayMetrics metrics;
117	private Toast prepareImageToast;
118
119	public List<Conversation> getConversationList() {
120		return this.conversationList;
121	}
122
123	public Conversation getSelectedConversation() {
124		return this.selectedConversation;
125	}
126
127	public void setSelectedConversation(Conversation conversation) {
128		this.selectedConversation = conversation;
129	}
130
131	public ListView getConversationListView() {
132		return this.listView;
133	}
134
135	public SlidingPaneLayout getSlidingPaneLayout() {
136		return this.spl;
137	}
138
139	public boolean shouldPaneBeOpen() {
140		return paneShouldBeOpen;
141	}
142
143	@Override
144	protected void onCreate(Bundle savedInstanceState) {
145
146		metrics = getResources().getDisplayMetrics();
147
148		super.onCreate(savedInstanceState);
149
150		setContentView(R.layout.fragment_conversations_overview);
151
152		listView = (ListView) findViewById(R.id.list);
153
154		this.listAdapter = new ArrayAdapter<Conversation>(this,
155				R.layout.conversation_list_row, conversationList) {
156			@Override
157			public View getView(int position, View view, ViewGroup parent) {
158				if (view == null) {
159					LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
160					view = (View) inflater.inflate(
161							R.layout.conversation_list_row, parent,false);
162				}
163				Conversation conv;
164				if (conversationList.size() > position) {
165					conv = getItem(position);
166				} else {
167					return view;
168				}
169				if (!spl.isSlideable()) {
170					if (conv == getSelectedConversation()) {
171						view.setBackgroundColor(0xffdddddd);
172					} else {
173						view.setBackgroundColor(Color.TRANSPARENT);
174					}
175				} else {
176					view.setBackgroundColor(Color.TRANSPARENT);
177				}
178				TextView convName = (TextView) view
179						.findViewById(R.id.conversation_name);
180				convName.setText(conv.getName(useSubject));
181				TextView convLastMsg = (TextView) view
182						.findViewById(R.id.conversation_lastmsg);
183				ImageView imagePreview = (ImageView) view
184						.findViewById(R.id.conversation_lastimage);
185
186				Message latestMessage = conv.getLatestMessage();
187
188				if (latestMessage.getType() == Message.TYPE_TEXT) {
189					if ((latestMessage.getEncryption() != Message.ENCRYPTION_PGP)
190							&& (latestMessage.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED)) {
191						convLastMsg.setText(conv.getLatestMessage().getBody());
192					} else {
193						convLastMsg
194								.setText(getText(R.string.encrypted_message_received));
195					}
196					convLastMsg.setVisibility(View.VISIBLE);
197					imagePreview.setVisibility(View.GONE);
198				} else if (latestMessage.getType() == Message.TYPE_IMAGE) {
199					if (latestMessage.getStatus() >= Message.STATUS_RECIEVED) {
200						convLastMsg.setVisibility(View.GONE);
201						imagePreview.setVisibility(View.VISIBLE);
202						loadBitmap(latestMessage, imagePreview);
203					} else {
204						convLastMsg.setVisibility(View.VISIBLE);
205						imagePreview.setVisibility(View.GONE);
206						if (latestMessage.getStatus() == Message.STATUS_RECEIVED_OFFER) {
207							convLastMsg
208									.setText(getText(R.string.image_offered_for_download));
209						} else if (latestMessage.getStatus() == Message.STATUS_RECIEVING) {
210							convLastMsg
211									.setText(getText(R.string.receiving_image));
212						} else {
213							convLastMsg.setText("");
214						}
215					}
216				}
217
218				if (!conv.isRead()) {
219					convName.setTypeface(null, Typeface.BOLD);
220					convLastMsg.setTypeface(null, Typeface.BOLD);
221				} else {
222					convName.setTypeface(null, Typeface.NORMAL);
223					convLastMsg.setTypeface(null, Typeface.NORMAL);
224				}
225
226				((TextView) view.findViewById(R.id.conversation_lastupdate))
227						.setText(UIHelper.readableTimeDifference(getContext(),
228								conv.getLatestMessage().getTimeSent()));
229
230				ImageView profilePicture = (ImageView) view
231						.findViewById(R.id.conversation_image);
232				profilePicture.setImageBitmap(UIHelper.getContactPicture(conv,
233						56, activity.getApplicationContext(), false));
234
235				return view;
236			}
237
238		};
239
240		listView.setAdapter(this.listAdapter);
241
242		listView.setOnItemClickListener(new OnItemClickListener() {
243
244			@Override
245			public void onItemClick(AdapterView<?> arg0, View clickedView,
246					int position, long arg3) {
247				paneShouldBeOpen = false;
248				if (getSelectedConversation() != conversationList.get(position)) {
249					setSelectedConversation(conversationList.get(position));
250					swapConversationFragment(); // .onBackendConnected(conversationList.get(position));
251				} else {
252					spl.closePane();
253				}
254			}
255		});
256		spl = (SlidingPaneLayout) findViewById(R.id.slidingpanelayout);
257		spl.setParallaxDistance(150);
258		spl.setShadowResource(R.drawable.es_slidingpane_shadow);
259		spl.setSliderFadeColor(0);
260		spl.setPanelSlideListener(new PanelSlideListener() {
261
262			@Override
263			public void onPanelOpened(View arg0) {
264				paneShouldBeOpen = true;
265				ActionBar ab = getActionBar();
266				if (ab!=null) {
267					ab.setDisplayHomeAsUpEnabled(false);
268					ab.setHomeButtonEnabled(false);
269					ab.setTitle(R.string.app_name);
270				}
271				invalidateOptionsMenu();
272				hideKeyboard();
273			}
274
275			@Override
276			public void onPanelClosed(View arg0) {
277				paneShouldBeOpen = false;
278				if ((conversationList.size() > 0)
279						&& (getSelectedConversation() != null)) {
280					ActionBar ab = getActionBar();
281					if (ab!=null) {
282						ab.setDisplayHomeAsUpEnabled(true);
283						ab.setHomeButtonEnabled(true);
284						ab.setTitle(
285							getSelectedConversation().getName(useSubject));
286					}
287					invalidateOptionsMenu();
288					if (!getSelectedConversation().isRead()) {
289						xmppConnectionService
290								.markRead(getSelectedConversation());
291						UIHelper.updateNotification(getApplicationContext(),
292								getConversationList(), null, false);
293						listView.invalidateViews();
294					}
295				}
296			}
297
298			@Override
299			public void onPanelSlide(View arg0, float arg1) {
300				// TODO Auto-generated method stub
301
302			}
303		});
304	}
305
306	@Override
307	public boolean onCreateOptionsMenu(Menu menu) {
308		getMenuInflater().inflate(R.menu.conversations, menu);
309		MenuItem menuSecure = (MenuItem) menu.findItem(R.id.action_security);
310		MenuItem menuArchive = (MenuItem) menu.findItem(R.id.action_archive);
311		MenuItem menuMucDetails = (MenuItem) menu
312				.findItem(R.id.action_muc_details);
313		MenuItem menuContactDetails = (MenuItem) menu
314				.findItem(R.id.action_contact_details);
315		MenuItem menuAttach = (MenuItem) menu.findItem(R.id.action_attach_file);
316		MenuItem menuClearHistory = (MenuItem) menu
317				.findItem(R.id.action_clear_history);
318		MenuItem menuAdd = (MenuItem) menu.findItem(R.id.action_add);
319		MenuItem menuInviteContact = (MenuItem) menu.findItem(R.id.action_invite);
320
321		if ((spl.isOpen() && (spl.isSlideable()))) {
322			menuArchive.setVisible(false);
323			menuMucDetails.setVisible(false);
324			menuContactDetails.setVisible(false);
325			menuSecure.setVisible(false);
326			menuInviteContact.setVisible(false);
327			menuAttach.setVisible(false);
328			menuClearHistory.setVisible(false);
329		} else {
330			menuAdd.setVisible(!spl.isSlideable());
331			if (this.getSelectedConversation() != null) {
332				if (this.getSelectedConversation().getLatestMessage()
333						.getEncryption() != Message.ENCRYPTION_NONE) {
334					menuSecure.setIcon(R.drawable.ic_action_secure);
335				}
336				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
337					menuContactDetails.setVisible(false);
338					menuAttach.setVisible(false);
339				} else {
340					menuMucDetails.setVisible(false);
341					menuInviteContact.setVisible(false);
342				}
343			}
344		}
345		return true;
346	}
347
348	private void selectPresenceToAttachFile(final int attachmentChoice) {
349		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
350
351			@Override
352			public void onPresenceSelected() {
353				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
354					Intent takePictureIntent = new Intent(
355							MediaStore.ACTION_IMAGE_CAPTURE);
356					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
357							ImageProvider.getIncomingContentUri());
358					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
359						startActivityForResult(takePictureIntent,
360								REQUEST_IMAGE_CAPTURE);
361					}
362				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
363					Intent attachFileIntent = new Intent();
364					attachFileIntent.setType("image/*");
365					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
366					Intent chooser = Intent.createChooser(attachFileIntent,
367							getString(R.string.attach_file));
368					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
369				} else if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
370					Intent intent = new Intent(
371							MediaStore.Audio.Media.RECORD_SOUND_ACTION);
372					startActivityForResult(intent, REQUEST_RECORD_AUDIO);
373				}
374			}
375		});
376	}
377
378	private void attachFile(final int attachmentChoice) {
379		final Conversation conversation = getSelectedConversation();
380		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
381			if (hasPgp()) {
382				if (conversation.getContact().getPgpKeyId() != 0) {
383					xmppConnectionService.getPgpEngine().hasKey(
384							conversation.getContact(),
385							new UiCallback<Contact>() {
386
387								@Override
388								public void userInputRequried(PendingIntent pi,
389										Contact contact) {
390									ConversationActivity.this.runIntent(pi,
391											attachmentChoice);
392								}
393
394								@Override
395								public void success(Contact contact) {
396									selectPresenceToAttachFile(attachmentChoice);
397								}
398
399								@Override
400								public void error(int error, Contact contact) {
401									displayErrorDialog(error);
402								}
403							});
404				} else {
405					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
406							.findFragmentByTag("conversation");
407					if (fragment != null) {
408						fragment.showNoPGPKeyDialog(false,
409								new OnClickListener() {
410
411									@Override
412									public void onClick(DialogInterface dialog,
413											int which) {
414										conversation
415												.setNextEncryption(Message.ENCRYPTION_NONE);
416										selectPresenceToAttachFile(attachmentChoice);
417									}
418								});
419					}
420				}
421			} else {
422				showInstallPgpDialog();
423			}
424		} else if (getSelectedConversation().getNextEncryption() == Message.ENCRYPTION_NONE) {
425			selectPresenceToAttachFile(attachmentChoice);
426		} else {
427			selectPresenceToAttachFile(attachmentChoice);
428		}
429	}
430
431	@Override
432	public boolean onOptionsItemSelected(MenuItem item) {
433		switch (item.getItemId()) {
434		case android.R.id.home:
435			spl.openPane();
436			break;
437		case R.id.action_attach_file:
438			View menuAttachFile = findViewById(R.id.action_attach_file);
439			if (menuAttachFile==null) {
440				break;
441			}
442			PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
443			attachFilePopup.inflate(R.menu.attachment_choices);
444			attachFilePopup
445					.setOnMenuItemClickListener(new OnMenuItemClickListener() {
446
447						@Override
448						public boolean onMenuItemClick(MenuItem item) {
449							switch (item.getItemId()) {
450							case R.id.attach_choose_picture:
451								attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
452								break;
453							case R.id.attach_take_picture:
454								attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
455								break;
456							case R.id.attach_record_voice:
457								attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
458								break;
459							}
460							return false;
461						}
462					});
463			attachFilePopup.show();
464			break;
465		case R.id.action_add:
466			startActivity(new Intent(this, StartConversationActivity.class));
467			break;
468		case R.id.action_archive:
469			this.endConversation(getSelectedConversation());
470			break;
471		case R.id.action_contact_details:
472			Contact contact = this.getSelectedConversation().getContact();
473			if (contact.showInRoster()) {
474				switchToContactDetails(contact);
475			} else {
476				showAddToRosterDialog(getSelectedConversation());
477			}
478			break;
479		case R.id.action_muc_details:
480			Intent intent = new Intent(this, ConferenceDetailsActivity.class);
481			intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
482			intent.putExtra("uuid", getSelectedConversation().getUuid());
483			startActivity(intent);
484			break;
485		case R.id.action_invite:
486			inviteToConversation(getSelectedConversation());
487			break;
488		case R.id.action_security:
489			final Conversation conversation = getSelectedConversation();
490			View menuItemView = findViewById(R.id.action_security);
491			if (menuItemView==null) {
492				break;
493			}
494			PopupMenu popup = new PopupMenu(this, menuItemView);
495			final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
496					.findFragmentByTag("conversation");
497			if (fragment != null) {
498				popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
499
500					@Override
501					public boolean onMenuItemClick(MenuItem item) {
502						switch (item.getItemId()) {
503						case R.id.encryption_choice_none:
504							conversation
505									.setNextEncryption(Message.ENCRYPTION_NONE);
506							item.setChecked(true);
507							break;
508						case R.id.encryption_choice_otr:
509							conversation
510									.setNextEncryption(Message.ENCRYPTION_OTR);
511							item.setChecked(true);
512							break;
513						case R.id.encryption_choice_pgp:
514							if (hasPgp()) {
515								if (conversation.getAccount().getKeys()
516										.has("pgp_signature")) {
517									conversation
518											.setNextEncryption(Message.ENCRYPTION_PGP);
519									item.setChecked(true);
520								} else {
521									announcePgp(conversation.getAccount(),
522											conversation);
523								}
524							} else {
525								showInstallPgpDialog();
526							}
527							break;
528						default:
529							conversation
530									.setNextEncryption(Message.ENCRYPTION_NONE);
531							break;
532						}
533						fragment.updateChatMsgHint();
534						return true;
535					}
536				});
537				popup.inflate(R.menu.encryption_choices);
538				MenuItem otr = popup.getMenu().findItem(
539						R.id.encryption_choice_otr);
540				if (conversation.getMode() == Conversation.MODE_MULTI) {
541					otr.setEnabled(false);
542				}
543				switch (conversation.getNextEncryption()) {
544				case Message.ENCRYPTION_NONE:
545					popup.getMenu().findItem(R.id.encryption_choice_none)
546							.setChecked(true);
547					break;
548				case Message.ENCRYPTION_OTR:
549					otr.setChecked(true);
550					break;
551				case Message.ENCRYPTION_PGP:
552					popup.getMenu().findItem(R.id.encryption_choice_pgp)
553							.setChecked(true);
554					break;
555				default:
556					popup.getMenu().findItem(R.id.encryption_choice_none)
557							.setChecked(true);
558					break;
559				}
560				popup.show();
561			}
562
563			break;
564		case R.id.action_clear_history:
565			clearHistoryDialog(getSelectedConversation());
566			break;
567		default:
568			break;
569		}
570		return super.onOptionsItemSelected(item);
571	}
572
573	public void endConversation(Conversation conversation) {
574		conversation.setStatus(Conversation.STATUS_ARCHIVED);
575		paneShouldBeOpen = true;
576		spl.openPane();
577		xmppConnectionService.archiveConversation(conversation);
578		if (conversationList.size() > 0) {
579			setSelectedConversation(conversationList.get(0));
580		} else {
581			setSelectedConversation(null);
582		}
583	}
584
585	protected void clearHistoryDialog(final Conversation conversation) {
586		AlertDialog.Builder builder = new AlertDialog.Builder(this);
587		builder.setTitle(getString(R.string.clear_conversation_history));
588		View dialogView = getLayoutInflater().inflate(
589				R.layout.dialog_clear_history, null);
590		final CheckBox endConversationCheckBox = (CheckBox) dialogView
591				.findViewById(R.id.end_conversation_checkbox);
592		builder.setView(dialogView);
593		builder.setNegativeButton(getString(R.string.cancel), null);
594		builder.setPositiveButton(getString(R.string.delete_messages),
595				new OnClickListener() {
596
597					@Override
598					public void onClick(DialogInterface dialog, int which) {
599						activity.xmppConnectionService
600								.clearConversationHistory(conversation);
601						if (endConversationCheckBox.isChecked()) {
602							endConversation(conversation);
603						}
604					}
605				});
606		builder.create().show();
607	}
608
609	protected ConversationFragment swapConversationFragment() {
610		ConversationFragment selectedFragment = new ConversationFragment();
611
612		FragmentTransaction transaction = getFragmentManager()
613				.beginTransaction();
614		transaction.replace(R.id.selected_conversation, selectedFragment,
615				"conversation");
616		transaction.commitAllowingStateLoss();
617		return selectedFragment;
618	}
619
620	@Override
621	public boolean onKeyDown(int keyCode, KeyEvent event) {
622		if (keyCode == KeyEvent.KEYCODE_BACK) {
623			if (!spl.isOpen()) {
624				spl.openPane();
625				return false;
626			}
627		}
628		return super.onKeyDown(keyCode, event);
629	}
630
631	@Override
632	protected void onNewIntent(Intent intent) {
633		if (xmppConnectionServiceBound) {
634			if ((Intent.ACTION_VIEW.equals(intent.getAction()) && (VIEW_CONVERSATION
635					.equals(intent.getType())))) {
636				String convToView = (String) intent.getExtras().get(CONVERSATION);
637				updateConversationList();
638				for (int i = 0; i < conversationList.size(); ++i) {
639					if (conversationList.get(i).getUuid().equals(convToView)) {
640						setSelectedConversation(conversationList.get(i));
641						break;
642					}
643				}
644				paneShouldBeOpen = false;
645				String text = intent.getExtras().getString(TEXT, null);
646				swapConversationFragment().setText(text);
647			}
648		} else {
649			handledViewIntent = false;
650			setIntent(intent);
651		}
652	}
653
654	@Override
655	public void onStart() {
656		super.onStart();
657		SharedPreferences preferences = PreferenceManager
658				.getDefaultSharedPreferences(this);
659		this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
660		this.showLastseen = preferences.getBoolean("show_last_seen", false);
661		if (this.xmppConnectionServiceBound) {
662			this.onBackendConnected();
663		}
664		if (conversationList.size() >= 1) {
665			onConvChanged.onConversationUpdate();
666		}
667	}
668
669	@Override
670	protected void onStop() {
671		if (xmppConnectionServiceBound) {
672			xmppConnectionService.removeOnConversationListChangedListener();
673		}
674		super.onStop();
675	}
676
677	@Override
678	void onBackendConnected() {
679		this.registerListener();
680		if (conversationList.size() == 0) {
681			updateConversationList();
682		}
683
684		if ((getIntent().getAction() != null)
685				&& (getIntent().getAction().equals(Intent.ACTION_VIEW) && (!handledViewIntent))) {
686			if (getIntent().getType().equals(
687					ConversationActivity.VIEW_CONVERSATION)) {
688				handledViewIntent = true;
689
690				String convToView = (String) getIntent().getExtras().get(
691						CONVERSATION);
692
693				for (int i = 0; i < conversationList.size(); ++i) {
694					if (conversationList.get(i).getUuid().equals(convToView)) {
695						setSelectedConversation(conversationList.get(i));
696					}
697				}
698				paneShouldBeOpen = false;
699				String text = getIntent().getExtras().getString(TEXT, null);
700				swapConversationFragment().setText(text);
701			}
702		} else {
703			if (xmppConnectionService.getAccounts().size() == 0) {
704				startActivity(new Intent(this, ManageAccountActivity.class));
705				finish();
706			} else if (conversationList.size() <= 0) {
707				// add no history
708				startActivity(new Intent(this, StartConversationActivity.class));
709				finish();
710			} else {
711				spl.openPane();
712				// find currently loaded fragment
713				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
714						.findFragmentByTag("conversation");
715				if (selectedFragment != null) {
716					selectedFragment.onBackendConnected();
717				} else {
718					setSelectedConversation(conversationList.get(0));
719					swapConversationFragment();
720				}
721				ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
722			}
723		}
724	}
725
726	public void registerListener() {
727		if (xmppConnectionServiceBound) {
728			xmppConnectionService
729					.setOnConversationListChangedListener(this.onConvChanged);
730		}
731	}
732
733	@Override
734	protected void onActivityResult(int requestCode, int resultCode,
735			final Intent data) {
736		super.onActivityResult(requestCode, resultCode, data);
737		if (resultCode == RESULT_OK) {
738			if (requestCode == REQUEST_DECRYPT_PGP) {
739				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
740						.findFragmentByTag("conversation");
741				if (selectedFragment != null) {
742					selectedFragment.hideSnackbar();
743				}
744			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
745				attachImageToConversation(getSelectedConversation(),
746						data.getData());
747			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
748
749			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
750				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
751			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
752				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
753			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
754				announcePgp(getSelectedConversation().getAccount(),
755						getSelectedConversation());
756			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
757				// encryptTextMessage();
758			} else if (requestCode == REQUEST_IMAGE_CAPTURE) {
759				attachImageToConversation(getSelectedConversation(), null);
760			} else if (requestCode == REQUEST_RECORD_AUDIO) {
761				attachAudioToConversation(getSelectedConversation(),
762						data.getData());
763			}
764		}
765	}
766
767	private void attachAudioToConversation(Conversation conversation, Uri uri) {
768
769	}
770
771	private void attachImageToConversation(Conversation conversation, Uri uri) {
772		prepareImageToast = Toast.makeText(getApplicationContext(),
773				getText(R.string.preparing_image), Toast.LENGTH_LONG);
774		prepareImageToast.show();
775		xmppConnectionService.attachImageToConversation(conversation, uri,
776				new UiCallback<Message>() {
777
778					@Override
779					public void userInputRequried(PendingIntent pi,
780							Message object) {
781						hidePrepareImageToast();
782						ConversationActivity.this.runIntent(pi,
783								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
784					}
785
786					@Override
787					public void success(Message message) {
788						xmppConnectionService.sendMessage(message);
789					}
790
791					@Override
792					public void error(int error, Message message) {
793						hidePrepareImageToast();
794						displayErrorDialog(error);
795					}
796				});
797	}
798
799	private void hidePrepareImageToast() {
800		if (prepareImageToast != null) {
801			runOnUiThread(new Runnable() {
802
803				@Override
804				public void run() {
805					prepareImageToast.cancel();
806				}
807			});
808		}
809	}
810
811	public void updateConversationList() {
812		xmppConnectionService.populateWithOrderedConversations(conversationList);
813		listView.invalidateViews();
814	}
815
816	public boolean showLastseen() {
817		if (getSelectedConversation() == null) {
818			return false;
819		} else {
820			return this.showLastseen
821					&& getSelectedConversation().getMode() == Conversation.MODE_SINGLE;
822		}
823	}
824
825	public void runIntent(PendingIntent pi, int requestCode) {
826		try {
827			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
828					null, 0, 0, 0);
829		} catch (SendIntentException e1) {}
830	}
831
832	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
833		private final WeakReference<ImageView> imageViewReference;
834		private Message message = null;
835
836		public BitmapWorkerTask(ImageView imageView) {
837			imageViewReference = new WeakReference<ImageView>(imageView);
838		}
839
840		@Override
841		protected Bitmap doInBackground(Message... params) {
842			message = params[0];
843			try {
844				return xmppConnectionService.getFileBackend().getThumbnail(
845						message, (int) (metrics.density * 288), false);
846			} catch (FileNotFoundException e) {
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}