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			AlertDialog.Builder builder = new AlertDialog.Builder(this);
422			builder.setTitle(getString(R.string.otr_file_transfer));
423			builder.setMessage(getString(R.string.otr_file_transfer_msg));
424			builder.setNegativeButton(getString(R.string.cancel), null);
425			if (conversation.getContact().getPgpKeyId() == 0) {
426				builder.setPositiveButton(getString(R.string.send_unencrypted),
427						new OnClickListener() {
428
429							@Override
430							public void onClick(DialogInterface dialog,
431									int which) {
432								conversation
433										.setNextEncryption(Message.ENCRYPTION_NONE);
434								attachFile(attachmentChoice);
435							}
436						});
437			} else {
438				builder.setPositiveButton(
439						getString(R.string.use_pgp_encryption),
440						new OnClickListener() {
441
442							@Override
443							public void onClick(DialogInterface dialog,
444									int which) {
445								conversation
446										.setNextEncryption(Message.ENCRYPTION_PGP);
447								attachFile(attachmentChoice);
448							}
449						});
450			}
451			builder.create().show();
452		}
453	}
454
455	@Override
456	public boolean onOptionsItemSelected(MenuItem item) {
457		switch (item.getItemId()) {
458		case android.R.id.home:
459			spl.openPane();
460			break;
461		case R.id.action_attach_file:
462			View menuAttachFile = findViewById(R.id.action_attach_file);
463			PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
464			attachFilePopup.inflate(R.menu.attachment_choices);
465			attachFilePopup
466					.setOnMenuItemClickListener(new OnMenuItemClickListener() {
467
468						@Override
469						public boolean onMenuItemClick(MenuItem item) {
470							switch (item.getItemId()) {
471							case R.id.attach_choose_picture:
472								attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
473								break;
474							case R.id.attach_take_picture:
475								attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
476								break;
477							case R.id.attach_record_voice:
478								attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
479								break;
480							}
481							return false;
482						}
483					});
484			attachFilePopup.show();
485			break;
486		case R.id.action_add:
487			startActivity(new Intent(this, ContactsActivity.class));
488			break;
489		case R.id.action_archive:
490			this.endConversation(getSelectedConversation());
491			break;
492		case R.id.action_contact_details:
493			Contact contact = this.getSelectedConversation().getContact();
494			if (contact.showInRoster()) {
495				Intent intent = new Intent(this, ContactDetailsActivity.class);
496				intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
497				intent.putExtra("account", this.getSelectedConversation()
498						.getAccount().getJid());
499				intent.putExtra("contact", contact.getJid());
500				startActivity(intent);
501			} else {
502				showAddToRosterDialog(getSelectedConversation());
503			}
504			break;
505		case R.id.action_muc_details:
506			Intent intent = new Intent(this, MucDetailsActivity.class);
507			intent.setAction(MucDetailsActivity.ACTION_VIEW_MUC);
508			intent.putExtra("uuid", getSelectedConversation().getUuid());
509			startActivity(intent);
510			break;
511		case R.id.action_invite:
512			Intent inviteIntent = new Intent(getApplicationContext(),
513					ContactsActivity.class);
514			inviteIntent.setAction("invite");
515			inviteIntent.putExtra("uuid", getSelectedConversation().getUuid());
516			startActivity(inviteIntent);
517			break;
518		case R.id.action_security:
519			final Conversation conversation = getSelectedConversation();
520			View menuItemView = findViewById(R.id.action_security);
521			PopupMenu popup = new PopupMenu(this, menuItemView);
522			final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
523					.findFragmentByTag("conversation");
524			if (fragment != null) {
525				popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
526
527					@Override
528					public boolean onMenuItemClick(MenuItem item) {
529						switch (item.getItemId()) {
530						case R.id.encryption_choice_none:
531							conversation
532									.setNextEncryption(Message.ENCRYPTION_NONE);
533							item.setChecked(true);
534							break;
535						case R.id.encryption_choice_otr:
536							conversation
537									.setNextEncryption(Message.ENCRYPTION_OTR);
538							item.setChecked(true);
539							break;
540						case R.id.encryption_choice_pgp:
541							if (hasPgp()) {
542								if (conversation.getAccount().getKeys()
543										.has("pgp_signature")) {
544									conversation
545											.setNextEncryption(Message.ENCRYPTION_PGP);
546									item.setChecked(true);
547								} else {
548									announcePgp(conversation.getAccount(),
549											conversation);
550								}
551							} else {
552								showInstallPgpDialog();
553							}
554							break;
555						default:
556							conversation
557									.setNextEncryption(Message.ENCRYPTION_NONE);
558							break;
559						}
560						fragment.updateChatMsgHint();
561						return true;
562					}
563				});
564				popup.inflate(R.menu.encryption_choices);
565				MenuItem otr = popup.getMenu().findItem(
566						R.id.encryption_choice_otr);
567				if (conversation.getMode() == Conversation.MODE_MULTI) {
568					otr.setEnabled(false);
569				}
570				switch (conversation.getNextEncryption()) {
571				case Message.ENCRYPTION_NONE:
572					popup.getMenu().findItem(R.id.encryption_choice_none)
573							.setChecked(true);
574					break;
575				case Message.ENCRYPTION_OTR:
576					otr.setChecked(true);
577					break;
578				case Message.ENCRYPTION_PGP:
579					popup.getMenu().findItem(R.id.encryption_choice_pgp)
580							.setChecked(true);
581					break;
582				default:
583					popup.getMenu().findItem(R.id.encryption_choice_none)
584							.setChecked(true);
585					break;
586				}
587				popup.show();
588			}
589
590			break;
591		case R.id.action_clear_history:
592			clearHistoryDialog(getSelectedConversation());
593			break;
594		default:
595			break;
596		}
597		return super.onOptionsItemSelected(item);
598	}
599
600	private void endConversation(Conversation conversation) {
601		conversation.setStatus(Conversation.STATUS_ARCHIVED);
602		paneShouldBeOpen = true;
603		spl.openPane();
604		xmppConnectionService.archiveConversation(conversation);
605		if (conversationList.size() > 0) {
606			setSelectedConversation(conversationList.get(0));
607		} else {
608			setSelectedConversation(null);
609		}
610	}
611
612	protected void clearHistoryDialog(final Conversation conversation) {
613		AlertDialog.Builder builder = new AlertDialog.Builder(this);
614		builder.setTitle(getString(R.string.clear_conversation_history));
615		View dialogView = getLayoutInflater().inflate(
616				R.layout.dialog_clear_history, null);
617		final CheckBox endConversationCheckBox = (CheckBox) dialogView
618				.findViewById(R.id.end_conversation_checkbox);
619		builder.setView(dialogView);
620		builder.setNegativeButton(getString(R.string.cancel), null);
621		builder.setPositiveButton(getString(R.string.delete_messages),
622				new OnClickListener() {
623
624					@Override
625					public void onClick(DialogInterface dialog, int which) {
626						activity.xmppConnectionService
627								.clearConversationHistory(conversation);
628						if (endConversationCheckBox.isChecked()) {
629							endConversation(conversation);
630						}
631					}
632				});
633		builder.create().show();
634	}
635
636	protected ConversationFragment swapConversationFragment() {
637		ConversationFragment selectedFragment = new ConversationFragment();
638
639		FragmentTransaction transaction = getFragmentManager()
640				.beginTransaction();
641		transaction.replace(R.id.selected_conversation, selectedFragment,
642				"conversation");
643		transaction.commit();
644		return selectedFragment;
645	}
646
647	@Override
648	public boolean onKeyDown(int keyCode, KeyEvent event) {
649		if (keyCode == KeyEvent.KEYCODE_BACK) {
650			if (!spl.isOpen()) {
651				spl.openPane();
652				return false;
653			}
654		}
655		return super.onKeyDown(keyCode, event);
656	}
657
658	@Override
659	protected void onNewIntent(Intent intent) {
660		if ((Intent.ACTION_VIEW.equals(intent.getAction()) && (VIEW_CONVERSATION
661				.equals(intent.getType())))) {
662			String convToView = (String) intent.getExtras().get(CONVERSATION);
663			updateConversationList();
664			for (int i = 0; i < conversationList.size(); ++i) {
665				if (conversationList.get(i).getUuid().equals(convToView)) {
666					setSelectedConversation(conversationList.get(i));
667					break;
668				}
669			}
670			paneShouldBeOpen = false;
671			String text = intent.getExtras().getString(TEXT, null);
672			swapConversationFragment().setText(text);
673		}
674	}
675
676	@Override
677	public void onStart() {
678		super.onStart();
679		SharedPreferences preferences = PreferenceManager
680				.getDefaultSharedPreferences(this);
681		this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
682		this.showLastseen = preferences.getBoolean("show_last_seen", false);
683		if (this.xmppConnectionServiceBound) {
684			this.onBackendConnected();
685		}
686		if (conversationList.size() >= 1) {
687			onConvChanged.onConversationListChanged();
688		}
689	}
690
691	@Override
692	protected void onStop() {
693		if (xmppConnectionServiceBound) {
694			xmppConnectionService.removeOnConversationListChangedListener();
695		}
696		super.onStop();
697	}
698
699	@Override
700	void onBackendConnected() {
701		this.registerListener();
702		if (conversationList.size() == 0) {
703			updateConversationList();
704		}
705
706		if ((getIntent().getAction() != null)
707				&& (getIntent().getAction().equals(Intent.ACTION_VIEW) && (!handledViewIntent))) {
708			if (getIntent().getType().equals(
709					ConversationActivity.VIEW_CONVERSATION)) {
710				handledViewIntent = true;
711
712				String convToView = (String) getIntent().getExtras().get(
713						CONVERSATION);
714
715				for (int i = 0; i < conversationList.size(); ++i) {
716					if (conversationList.get(i).getUuid().equals(convToView)) {
717						setSelectedConversation(conversationList.get(i));
718					}
719				}
720				paneShouldBeOpen = false;
721				String text = getIntent().getExtras().getString(TEXT, null);
722				swapConversationFragment().setText(text);
723			}
724		} else {
725			if (xmppConnectionService.getAccounts().size() == 0) {
726				startActivity(new Intent(this, ManageAccountActivity.class));
727				finish();
728			} else if (conversationList.size() <= 0) {
729				// add no history
730				startActivity(new Intent(this, ContactsActivity.class));
731				finish();
732			} else {
733				spl.openPane();
734				// find currently loaded fragment
735				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
736						.findFragmentByTag("conversation");
737				if (selectedFragment != null) {
738					selectedFragment.onBackendConnected();
739				} else {
740					setSelectedConversation(conversationList.get(0));
741					swapConversationFragment();
742				}
743				ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
744			}
745		}
746	}
747
748	public void registerListener() {
749		if (xmppConnectionServiceBound) {
750			xmppConnectionService
751					.setOnConversationListChangedListener(this.onConvChanged);
752		}
753	}
754
755	@Override
756	protected void onActivityResult(int requestCode, int resultCode,
757			final Intent data) {
758		super.onActivityResult(requestCode, resultCode, data);
759		if (resultCode == RESULT_OK) {
760			if (requestCode == REQUEST_DECRYPT_PGP) {
761				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
762						.findFragmentByTag("conversation");
763				if (selectedFragment != null) {
764					selectedFragment.hidePgpPassphraseBox();
765				}
766			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
767				attachImageToConversation(getSelectedConversation(),
768						data.getData());
769			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
770
771			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
772				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
773			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
774				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
775			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
776				announcePgp(getSelectedConversation().getAccount(),
777						getSelectedConversation());
778			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
779				// encryptTextMessage();
780			} else if (requestCode == REQUEST_IMAGE_CAPTURE) {
781				attachImageToConversation(getSelectedConversation(), null);
782			} else if (requestCode == REQUEST_RECORD_AUDIO) {
783				Log.d("xmppService", data.getData().toString());
784				attachAudioToConversation(getSelectedConversation(),
785						data.getData());
786			} else {
787				Log.d(LOGTAG, "unknown result code:" + requestCode);
788			}
789		}
790	}
791
792	private void attachAudioToConversation(Conversation conversation, Uri uri) {
793
794	}
795
796	private void attachImageToConversation(Conversation conversation, Uri uri) {
797		prepareImageToast = Toast.makeText(getApplicationContext(),
798				getText(R.string.preparing_image), Toast.LENGTH_LONG);
799		prepareImageToast.show();
800		xmppConnectionService.attachImageToConversation(conversation, uri,
801				new UiCallback<Message>() {
802
803					@Override
804					public void userInputRequried(PendingIntent pi,
805							Message object) {
806						hidePrepareImageToast();
807						ConversationActivity.this.runIntent(pi,
808								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
809					}
810
811					@Override
812					public void success(Message message) {
813						xmppConnectionService.sendMessage(message);
814					}
815
816					@Override
817					public void error(int error, Message message) {
818						hidePrepareImageToast();
819						displayErrorDialog(error);
820					}
821				});
822	}
823
824	private void hidePrepareImageToast() {
825		if (prepareImageToast != null) {
826			runOnUiThread(new Runnable() {
827
828				@Override
829				public void run() {
830					prepareImageToast.cancel();
831				}
832			});
833		}
834	}
835
836	public void updateConversationList() {
837		conversationList.clear();
838		conversationList.addAll(xmppConnectionService.getConversations());
839		listView.invalidateViews();
840	}
841
842	public boolean showLastseen() {
843		if (getSelectedConversation() == null) {
844			return false;
845		} else {
846			return this.showLastseen
847					&& getSelectedConversation().getMode() == Conversation.MODE_SINGLE;
848		}
849	}
850
851	public void runIntent(PendingIntent pi, int requestCode) {
852		try {
853			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
854					null, 0, 0, 0);
855		} catch (SendIntentException e1) {
856			Log.d("xmppService", "failed to start intent to send message");
857		}
858	}
859
860	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
861		private final WeakReference<ImageView> imageViewReference;
862		private Message message = null;
863
864		public BitmapWorkerTask(ImageView imageView) {
865			imageViewReference = new WeakReference<ImageView>(imageView);
866		}
867
868		@Override
869		protected Bitmap doInBackground(Message... params) {
870			message = params[0];
871			try {
872				return xmppConnectionService.getFileBackend().getThumbnail(
873						message, (int) (metrics.density * 288), false);
874			} catch (FileNotFoundException e) {
875				Log.d("xmppService", "file not found!");
876				return null;
877			}
878		}
879
880		@Override
881		protected void onPostExecute(Bitmap bitmap) {
882			if (imageViewReference != null && bitmap != null) {
883				final ImageView imageView = imageViewReference.get();
884				if (imageView != null) {
885					imageView.setImageBitmap(bitmap);
886					imageView.setBackgroundColor(0x00000000);
887				}
888			}
889		}
890	}
891
892	public void loadBitmap(Message message, ImageView imageView) {
893		Bitmap bm;
894		try {
895			bm = xmppConnectionService.getFileBackend().getThumbnail(message,
896					(int) (metrics.density * 288), true);
897		} catch (FileNotFoundException e) {
898			bm = null;
899		}
900		if (bm != null) {
901			imageView.setImageBitmap(bm);
902			imageView.setBackgroundColor(0x00000000);
903		} else {
904			if (cancelPotentialWork(message, imageView)) {
905				imageView.setBackgroundColor(0xff333333);
906				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
907				final AsyncDrawable asyncDrawable = new AsyncDrawable(
908						getResources(), null, task);
909				imageView.setImageDrawable(asyncDrawable);
910				task.execute(message);
911			}
912		}
913	}
914
915	public static boolean cancelPotentialWork(Message message,
916			ImageView imageView) {
917		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
918
919		if (bitmapWorkerTask != null) {
920			final Message oldMessage = bitmapWorkerTask.message;
921			if (oldMessage == null || message != oldMessage) {
922				bitmapWorkerTask.cancel(true);
923			} else {
924				return false;
925			}
926		}
927		return true;
928	}
929
930	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
931		if (imageView != null) {
932			final Drawable drawable = imageView.getDrawable();
933			if (drawable instanceof AsyncDrawable) {
934				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
935				return asyncDrawable.getBitmapWorkerTask();
936			}
937		}
938		return null;
939	}
940
941	static class AsyncDrawable extends BitmapDrawable {
942		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
943
944		public AsyncDrawable(Resources res, Bitmap bitmap,
945				BitmapWorkerTask bitmapWorkerTask) {
946			super(res, bitmap);
947			bitmapWorkerTaskReference = new WeakReference<BitmapWorkerTask>(
948					bitmapWorkerTask);
949		}
950
951		public BitmapWorkerTask getBitmapWorkerTask() {
952			return bitmapWorkerTaskReference.get();
953		}
954	}
955
956	public void encryptTextMessage(Message message) {
957		xmppConnectionService.getPgpEngine().encrypt(message,
958				new UiCallback<Message>() {
959
960					@Override
961					public void userInputRequried(PendingIntent pi,
962							Message message) {
963						activity.runIntent(pi,
964								ConversationActivity.REQUEST_SEND_MESSAGE);
965					}
966
967					@Override
968					public void success(Message message) {
969						xmppConnectionService.sendMessage(message);
970					}
971
972					@Override
973					public void error(int error, Message message) {
974
975					}
976				});
977	}
978}