aboutsummaryrefslogtreecommitdiffstats
path: root/src/eu/siacs/conversations/ui/ConversationActivity.java
blob: 85025108da175f698cc57a634b151cf8d8ce1ba4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
package eu.siacs.conversations.ui;

import java.io.FileNotFoundException;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;

import org.openintents.openpgp.OpenPgpError;

import eu.siacs.conversations.R;
import eu.siacs.conversations.crypto.OnPgpEngineResult;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.utils.ExceptionHelper;
import eu.siacs.conversations.utils.UIHelper;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.app.AlertDialog;
import android.app.FragmentTransaction;
import android.app.PendingIntent;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.IntentSender.SendIntentException;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.support.v4.widget.SlidingPaneLayout;
import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.ListView;
import android.widget.PopupMenu;
import android.widget.PopupMenu.OnMenuItemClickListener;
import android.widget.TextView;
import android.widget.ImageView;

public class ConversationActivity extends XmppActivity {

	public static final String VIEW_CONVERSATION = "viewConversation";
	public static final String CONVERSATION = "conversationUuid";
	public static final String TEXT = "text";
	public static final String PRESENCE = "eu.siacs.conversations.presence";

	public static final int REQUEST_SEND_MESSAGE = 0x75441;
	public static final int REQUEST_DECRYPT_PGP = 0x76783;
	private static final int ATTACH_FILE = 0x48502;
	private static final int REQUEST_SEND_PGP_IMAGE = 0x53883;

	protected SlidingPaneLayout spl;

	private List<Conversation> conversationList = new ArrayList<Conversation>();
	private Conversation selectedConversation = null;
	private ListView listView;
	
	private boolean paneShouldBeOpen = true;
	private boolean useSubject = true;
	private ArrayAdapter<Conversation> listAdapter;
	
	public Message pendingMessage = null;

	private OnConversationListChangedListener onConvChanged = new OnConversationListChangedListener() {

		@Override
		public void onConversationListChanged() {
			runOnUiThread(new Runnable() {

				@Override
				public void run() {
					updateConversationList();
					if (paneShouldBeOpen) {
						if (conversationList.size() >= 1) {
							swapConversationFragment();
						} else {
							startActivity(new Intent(getApplicationContext(),
									ContactsActivity.class));
							finish();
						}
					}
					ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
							.findFragmentByTag("conversation");
					if (selectedFragment != null) {
						selectedFragment.updateMessages();
					}
				}
			});
		}
	};
	
	protected ConversationActivity activity = this;
	private DisplayMetrics metrics;

	public List<Conversation> getConversationList() {
		return this.conversationList;
	}

	public Conversation getSelectedConversation() {
		return this.selectedConversation;
	}

	public ListView getConversationListView() {
		return this.listView;
	}

	public SlidingPaneLayout getSlidingPaneLayout() {
		return this.spl;
	}

	public boolean shouldPaneBeOpen() {
		return paneShouldBeOpen;
	}

	@Override
	protected void onCreate(Bundle savedInstanceState) {

		metrics = getResources().getDisplayMetrics();
		
		super.onCreate(savedInstanceState);

		setContentView(R.layout.fragment_conversations_overview);

		listView = (ListView) findViewById(R.id.list);

		this.listAdapter = new ArrayAdapter<Conversation>(this,
				R.layout.conversation_list_row, conversationList) {
			@Override
			public View getView(int position, View view, ViewGroup parent) {
				if (view == null) {
					LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
					view = (View) inflater.inflate(
							R.layout.conversation_list_row, null);
				}
				Conversation conv;
				if (conversationList.size() > position) {
					conv = getItem(position);
				} else {
					return view;
				}
				if (!spl.isSlideable()) {
					if (conv == getSelectedConversation()) {
						view.setBackgroundColor(0xffdddddd);
					} else {
						view.setBackgroundColor(Color.TRANSPARENT);
					}
				} else {
					view.setBackgroundColor(Color.TRANSPARENT);
				}
				TextView convName = (TextView) view
						.findViewById(R.id.conversation_name);
				convName.setText(conv.getName(useSubject));
				TextView convLastMsg = (TextView) view
						.findViewById(R.id.conversation_lastmsg);
				ImageView imagePreview = (ImageView) view.findViewById(R.id.conversation_lastimage);
				
				Message latestMessage = conv.getLatestMessage();
				
				if (latestMessage.getType() == Message.TYPE_TEXT) {
					convLastMsg.setText(conv.getLatestMessage().getBody());
					convLastMsg.setVisibility(View.VISIBLE);
					imagePreview.setVisibility(View.GONE);
				} else if (latestMessage.getType() == Message.TYPE_IMAGE) {
					if ((latestMessage.getStatus() >= Message.STATUS_RECIEVED)&&(latestMessage.getStatus() != Message.STATUS_PREPARING)) {
						convLastMsg.setVisibility(View.GONE);
						imagePreview.setVisibility(View.VISIBLE);
						loadBitmap(latestMessage, imagePreview);
					} else {
						convLastMsg.setVisibility(View.VISIBLE);
						imagePreview.setVisibility(View.GONE);
						if (latestMessage.getStatus() == Message.STATUS_PREPARING) {
							convLastMsg.setText(getText(R.string.preparing_image));
						} else  if (latestMessage.getStatus() == Message.STATUS_RECEIVED_OFFER) {
							convLastMsg.setText(getText(R.string.image_offered_for_download));
						} else if (latestMessage.getStatus() == Message.STATUS_RECIEVING) {
							convLastMsg.setText(getText(R.string.receiving_image));
						} else {
							convLastMsg.setText("");
						}
					}
				}
				
				

				if (!conv.isRead()) {
					convName.setTypeface(null, Typeface.BOLD);
					convLastMsg.setTypeface(null, Typeface.BOLD);
				} else {
					convName.setTypeface(null, Typeface.NORMAL);
					convLastMsg.setTypeface(null, Typeface.NORMAL);
				}

				((TextView) view.findViewById(R.id.conversation_lastupdate))
						.setText(UIHelper.readableTimeDifference(conv
								.getLatestMessage().getTimeSent()));

				ImageView profilePicture = (ImageView) view
						.findViewById(R.id.conversation_image);
				profilePicture.setImageBitmap(UIHelper.getContactPicture(
						conv, 56, activity.getApplicationContext(), false));
				
				return view;
			}

		};

		listView.setAdapter(this.listAdapter);

		listView.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View clickedView,
					int position, long arg3) {
				paneShouldBeOpen = false;
				if (selectedConversation != conversationList.get(position)) {
					selectedConversation = conversationList.get(position);
					swapConversationFragment(); // .onBackendConnected(conversationList.get(position));
				} else {
					spl.closePane();
				}
			}
		});
		spl = (SlidingPaneLayout) findViewById(R.id.slidingpanelayout);
		spl.setParallaxDistance(150);
		spl.setShadowResource(R.drawable.es_slidingpane_shadow);
		spl.setSliderFadeColor(0);
		spl.setPanelSlideListener(new PanelSlideListener() {

			@Override
			public void onPanelOpened(View arg0) {
				paneShouldBeOpen = true;
				getActionBar().setDisplayHomeAsUpEnabled(false);
				getActionBar().setTitle(R.string.app_name);
				invalidateOptionsMenu();
				hideKeyboard();
			}

			@Override
			public void onPanelClosed(View arg0) {
				paneShouldBeOpen = false;
				if ((conversationList.size() > 0)
						&& (getSelectedConversation() != null)) {
					getActionBar().setDisplayHomeAsUpEnabled(true);
					getActionBar().setTitle(
							getSelectedConversation().getName(useSubject));
					invalidateOptionsMenu();
					if (!getSelectedConversation().isRead()) {
						getSelectedConversation().markRead();
						UIHelper.updateNotification(getApplicationContext(),
								getConversationList(), null, false);
						listView.invalidateViews();
					}
				}
			}

			@Override
			public void onPanelSlide(View arg0, float arg1) {
				// TODO Auto-generated method stub

			}
		});
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.conversations, menu);
		MenuItem menuSecure = (MenuItem) menu.findItem(R.id.action_security);
		MenuItem menuArchive = (MenuItem) menu.findItem(R.id.action_archive);
		MenuItem menuMucDetails = (MenuItem) menu
				.findItem(R.id.action_muc_details);
		MenuItem menuContactDetails = (MenuItem) menu
				.findItem(R.id.action_contact_details);
		MenuItem menuInviteContacts = (MenuItem) menu
				.findItem(R.id.action_invite);
		MenuItem menuAttach = (MenuItem) menu.findItem(R.id.action_attach_file);
		MenuItem menuClearHistory = (MenuItem) menu.findItem(R.id.action_clear_history);

		if ((spl.isOpen() && (spl.isSlideable()))) {
			menuArchive.setVisible(false);
			menuMucDetails.setVisible(false);
			menuContactDetails.setVisible(false);
			menuSecure.setVisible(false);
			menuInviteContacts.setVisible(false);
			menuAttach.setVisible(false);
			menuClearHistory.setVisible(false);
		} else {
			((MenuItem) menu.findItem(R.id.action_add)).setVisible(!spl
					.isSlideable());
			if (this.getSelectedConversation() != null) {
				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
					menuContactDetails.setVisible(false);
					menuSecure.setVisible(false);
					menuAttach.setVisible(false);
				} else {
					menuMucDetails.setVisible(false);
					menuInviteContacts.setVisible(false);
					if (this.getSelectedConversation().getLatestMessage()
							.getEncryption() != Message.ENCRYPTION_NONE) {
						menuSecure.setIcon(R.drawable.ic_action_secure);
					}
				}
			}
		}
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		case android.R.id.home:
			spl.openPane();
			break;
		case R.id.action_attach_file:
			selectPresence(getSelectedConversation(), new OnPresenceSelected() {
				
				@Override
				public void onPresenceSelected(boolean success, String presence) {
					if (success) {
						Intent attachFileIntent = new Intent();
						attachFileIntent.setType("image/*");
						attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
						Intent chooser = Intent.createChooser(attachFileIntent, getString(R.string.attach_file));
						startActivityForResult(chooser,	ATTACH_FILE);
					}
				}

				@Override
				public void onSendPlainTextInstead() {
					// TODO Auto-generated method stub
					
				}
			},"file");
			break;
		case R.id.action_add:
			startActivity(new Intent(this, ContactsActivity.class));
			break;
		case R.id.action_archive:
			this.endConversation(getSelectedConversation());
			break;
		case R.id.action_contact_details:
			Contact contact = this.getSelectedConversation().getContact();
			if (contact != null) {
				Intent intent = new Intent(this, ContactDetailsActivity.class);
				intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
				intent.putExtra("uuid", contact.getUuid());
				startActivity(intent);
			} else {
				showAddToRosterDialog(getSelectedConversation());
			}
			break;
		case R.id.action_muc_details:
			Intent intent = new Intent(this, MucDetailsActivity.class);
			intent.setAction(MucDetailsActivity.ACTION_VIEW_MUC);
			intent.putExtra("uuid", getSelectedConversation().getUuid());
			startActivity(intent);
			break;
		case R.id.action_invite:
			Intent inviteIntent = new Intent(getApplicationContext(),
					ContactsActivity.class);
			inviteIntent.setAction("invite");
			inviteIntent.putExtra("uuid", selectedConversation.getUuid());
			startActivity(inviteIntent);
			break;
		case R.id.action_security:
			final Conversation selConv = getSelectedConversation();
			View menuItemView = findViewById(R.id.action_security);
			PopupMenu popup = new PopupMenu(this, menuItemView);
			final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
					.findFragmentByTag("conversation");
			if (fragment != null) {
				popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {

					@Override
					public boolean onMenuItemClick(MenuItem item) {
						switch (item.getItemId()) {
						case R.id.encryption_choice_none:
							selConv.nextMessageEncryption = Message.ENCRYPTION_NONE;
							item.setChecked(true);
							break;
						case R.id.encryption_choice_otr:
							selConv.nextMessageEncryption = Message.ENCRYPTION_OTR;
							item.setChecked(true);
							break;
						case R.id.encryption_choice_pgp:
							selConv.nextMessageEncryption = Message.ENCRYPTION_PGP;
							item.setChecked(true);
							break;
						default:
							selConv.nextMessageEncryption = Message.ENCRYPTION_NONE;
							break;
						}
						fragment.updateChatMsgHint();
						return true;
					}
				});
				popup.inflate(R.menu.encryption_choices);
				switch (selConv.nextMessageEncryption) {
				case Message.ENCRYPTION_NONE:
					popup.getMenu().findItem(R.id.encryption_choice_none)
							.setChecked(true);
					break;
				case Message.ENCRYPTION_OTR:
					popup.getMenu().findItem(R.id.encryption_choice_otr)
							.setChecked(true);
					break;
				case Message.ENCRYPTION_PGP:
					popup.getMenu().findItem(R.id.encryption_choice_pgp)
							.setChecked(true);
					break;
				case Message.ENCRYPTION_DECRYPTED:
					popup.getMenu().findItem(R.id.encryption_choice_pgp)
							.setChecked(true);
					break;
				default:
					popup.getMenu().findItem(R.id.encryption_choice_none)
							.setChecked(true);
					break;
				}
				popup.show();
			}

			break;
		case R.id.action_clear_history:
			clearHistoryDialog(getSelectedConversation());
			break;
		default:
			break;
		}
		return super.onOptionsItemSelected(item);
	}
	
	private void endConversation(Conversation conversation) {
		conversation.setStatus(Conversation.STATUS_ARCHIVED);
		paneShouldBeOpen = true;
		spl.openPane();
		xmppConnectionService.archiveConversation(conversation);
		if (conversationList.size() > 0) {
			selectedConversation = conversationList.get(0);
		} else {
			selectedConversation = null;
		}
	}

	protected void clearHistoryDialog(final Conversation conversation) {
		AlertDialog.Builder builder = new AlertDialog.Builder(this);
		builder.setTitle(getString(R.string.clear_conversation_history));
		View dialogView = getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
		final CheckBox endConversationCheckBox = (CheckBox) dialogView.findViewById(R.id.end_conversation_checkbox);
		builder.setView(dialogView);
		builder.setNegativeButton(getString(R.string.cancel), null);
		builder.setPositiveButton(getString(R.string.delete_messages), new OnClickListener() {
			
			@Override
			public void onClick(DialogInterface dialog, int which) {
				activity.xmppConnectionService.clearConversationHistory(conversation);
				if (endConversationCheckBox.isChecked()) {
					endConversation(conversation);
				}
			}
		});
		builder.create().show();
	}

	protected ConversationFragment swapConversationFragment() {
		ConversationFragment selectedFragment = new ConversationFragment();

		FragmentTransaction transaction = getFragmentManager()
				.beginTransaction();
		transaction.replace(R.id.selected_conversation, selectedFragment,
				"conversation");
		transaction.commit();
		return selectedFragment;
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_BACK) {
			if (!spl.isOpen()) {
				spl.openPane();
				return false;
			}
		}
		return super.onKeyDown(keyCode, event);
	}

	@Override
	public void onStart() {
		super.onStart();
		SharedPreferences preferences = PreferenceManager
				.getDefaultSharedPreferences(this);
		this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
		if (this.xmppConnectionServiceBound) {
			this.onBackendConnected();
		}
		if (conversationList.size() >= 1) {
			onConvChanged.onConversationListChanged();
		}
	}

	@Override
	protected void onStop() {
		if (xmppConnectionServiceBound) {
			xmppConnectionService.removeOnConversationListChangedListener();
		}
		super.onStop();
	}

	@Override
	void onBackendConnected() {
		this.registerListener();
		if (conversationList.size() == 0) {
			updateConversationList();
		}

		if ((getIntent().getAction() != null)
				&& (getIntent().getAction().equals(Intent.ACTION_VIEW) && (!handledViewIntent))) {
			if (getIntent().getType().equals(
					ConversationActivity.VIEW_CONVERSATION)) {
				handledViewIntent = true;

				String convToView = (String) getIntent().getExtras().get(
						CONVERSATION);

				for (int i = 0; i < conversationList.size(); ++i) {
					if (conversationList.get(i).getUuid().equals(convToView)) {
						selectedConversation = conversationList.get(i);
					}
				}
				paneShouldBeOpen = false;
				String text = getIntent().getExtras().getString(TEXT, null);
				swapConversationFragment().setText(text);
			}
		} else {
			if (xmppConnectionService.getAccounts().size() == 0) {
				startActivity(new Intent(this, ManageAccountActivity.class));
				finish();
			} else if (conversationList.size() <= 0) {
				// add no history
				startActivity(new Intent(this, ContactsActivity.class));
				finish();
			} else {
				spl.openPane();
				// find currently loaded fragment
				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
						.findFragmentByTag("conversation");
				if (selectedFragment != null) {
					selectedFragment.onBackendConnected();
				} else {
					selectedConversation = conversationList.get(0);
					swapConversationFragment();
				}
				ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
			}
		}
	}

	public void registerListener() {
		if (xmppConnectionServiceBound) {
			xmppConnectionService
					.setOnConversationListChangedListener(this.onConvChanged);
		}
	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		if (resultCode == RESULT_OK) {
			if (requestCode == REQUEST_DECRYPT_PGP) {
				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
						.findFragmentByTag("conversation");
				if (selectedFragment != null) {
					selectedFragment.hidePgpPassphraseBox();
				}
			} else if (requestCode == ATTACH_FILE) {
				final Conversation conversation = getSelectedConversation();
				String presence = conversation.getNextPresence();
				if (conversation.nextMessageEncryption == Message.ENCRYPTION_NONE) {
					xmppConnectionService.attachImageToConversation(conversation, presence, data.getData());
				} else if (conversation.nextMessageEncryption == Message.ENCRYPTION_PGP) {
					pendingMessage = xmppConnectionService.attachEncryptedImageToConversation(conversation, presence, data.getData(), new OnPgpEngineResult() {
						
						@Override
						public void userInputRequried(PendingIntent pi) {
							Log.d(LOGTAG,"user input requried");
							try {
								startIntentSenderForResult(pi.getIntentSender(),
										ConversationActivity.REQUEST_SEND_PGP_IMAGE, null, 0,
										0, 0);
							} catch (SendIntentException e1) {
								Log.d("xmppService","failed to start intent to send message");
							}
						}
						
						@Override
						public void success() {
							conversation.getMessages().add(pendingMessage);
							pendingMessage.setStatus(Message.STATUS_OFFERED);
							xmppConnectionService.databaseBackend.createMessage(pendingMessage);
							xmppConnectionService.sendMessage(pendingMessage, null);
							xmppConnectionService.updateUi(conversation, false);
						}
						
						@Override
						public void error(OpenPgpError openPgpError) {
							Log.d(LOGTAG,"pgp error"+openPgpError.getMessage());
						}
					});
				} else {
					Log.d(LOGTAG,"unknown next message encryption: "+conversation.nextMessageEncryption);
				}
			}
		}
	}

	public void updateConversationList() {
		conversationList.clear();
		conversationList.addAll(xmppConnectionService.getConversations());
		listView.invalidateViews();
	}
	
	public void selectPresence(final Conversation conversation, final OnPresenceSelected listener, String reason) {
		Account account = conversation.getAccount();
		if (account.getStatus() != Account.STATUS_ONLINE) {
			AlertDialog.Builder builder = new AlertDialog.Builder(this);
			builder.setTitle(getString(R.string.not_connected));
			builder.setIconAttribute(android.R.attr.alertDialogIcon);
			if ("otr".equals(reason)) {
				builder.setMessage(getString(R.string.you_are_offline,getString(R.string.otr_messages)));
			} else if ("file".equals(reason)) {
				builder.setMessage(getString(R.string.you_are_offline,getString(R.string.files)));
			} else {
				builder.setMessage(getString(R.string.you_are_offline_blank));
			}
			builder.setNegativeButton(getString(R.string.cancel), null);
			builder.setPositiveButton(getString(R.string.manage_account), new OnClickListener() {
				
				@Override
				public void onClick(DialogInterface dialog, int which) {
					startActivity(new Intent(activity, ManageAccountActivity.class));
				}
			});
			builder.create().show();
			listener.onPresenceSelected(false, null);
		} else {
			Contact contact = conversation.getContact();
			if (contact==null) {
				showAddToRosterDialog(conversation);
				listener.onPresenceSelected(false,null);
			} else {
				Hashtable<String, Integer> presences = contact.getPresences();
				if (presences.size() == 0) {
					AlertDialog.Builder builder = new AlertDialog.Builder(this);
					builder.setTitle(getString(R.string.contact_offline));
					if ("otr".equals(reason)) {
						builder.setMessage(getString(R.string.contact_offline_otr));
						builder.setPositiveButton(getString(R.string.send_unencrypted), new OnClickListener() {
							
							@Override
							public void onClick(DialogInterface dialog, int which) {
								listener.onSendPlainTextInstead();
							}
						});
					} else if ("file".equals(reason)) {
						builder.setMessage(getString(R.string.contact_offline_file));
					}
					builder.setIconAttribute(android.R.attr.alertDialogIcon);
					builder.setNegativeButton(getString(R.string.cancel), null);
					builder.create().show();
					listener.onPresenceSelected(false, null);
				} else if (presences.size() == 1) {
					String presence = (String) presences.keySet().toArray()[0];
					conversation.setNextPresence(presence);
					listener.onPresenceSelected(true, presence);
				} else {
					AlertDialog.Builder builder = new AlertDialog.Builder(this);
					builder.setTitle(getString(R.string.choose_presence));
					final String[] presencesArray = new String[presences.size()];
					presences.keySet().toArray(presencesArray);
					builder.setItems(presencesArray,
							new DialogInterface.OnClickListener() {
	
								@Override
								public void onClick(DialogInterface dialog,
										int which) {
									String presence = presencesArray[which];
									conversation.setNextPresence(presence);
									listener.onPresenceSelected(true,presence);
								}
							});
					builder.create().show();
				}
			}
		}
	}
	
	private void showAddToRosterDialog(final Conversation conversation) {
		String jid = conversation.getContactJid();
		AlertDialog.Builder builder = new AlertDialog.Builder(this);
		builder.setTitle(jid);
		builder.setMessage(getString(R.string.not_in_roster));
		builder.setNegativeButton(getString(R.string.cancel), null);
		builder.setPositiveButton(getString(R.string.add_contact), new DialogInterface.OnClickListener() {

			@Override
			public void onClick(DialogInterface dialog, int which) {
				String jid = conversation.getContactJid();
				Account account = getSelectedConversation().getAccount();
				String name = jid.split("@")[0];
				Contact contact = new Contact(account, name, jid, null);
				xmppConnectionService.createContact(contact);
			}
		});
		builder.create().show();
	}
	
	
	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
	    private final WeakReference<ImageView> imageViewReference;
	    private Message message = null;

	    public BitmapWorkerTask(ImageView imageView) {
	        imageViewReference = new WeakReference<ImageView>(imageView);
	    }

	    @Override
	    protected Bitmap doInBackground(Message... params) {
	        message = params[0];
	        try {
				return xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288),false);
			} catch (FileNotFoundException e) {
				Log.d("xmppService","file not found!");
				return null;
			}
	    }

	    @Override
	    protected void onPostExecute(Bitmap bitmap) {
	        if (imageViewReference != null && bitmap != null) {
	            final ImageView imageView = imageViewReference.get();
	            if (imageView != null) {
	                imageView.setImageBitmap(bitmap);
	                imageView.setBackgroundColor(0x00000000);
	            }
	        }
	    }
	}
	
	public void loadBitmap(Message message, ImageView imageView) {
		Bitmap bm;
		try {
			bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
		} catch (FileNotFoundException e) {
			bm = null;
		}
		if (bm!=null) {
			imageView.setImageBitmap(bm);
			imageView.setBackgroundColor(0x00000000);
		} else {
		    if (cancelPotentialWork(message, imageView)) {
		    	imageView.setBackgroundColor(0xff333333);
		        final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
		        final AsyncDrawable asyncDrawable =
		                new AsyncDrawable(getResources(), null, task);
		        imageView.setImageDrawable(asyncDrawable);
		        task.execute(message);
		    }
		}
	}
	
	public static boolean cancelPotentialWork(Message message, ImageView imageView) {
	    final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);

	    if (bitmapWorkerTask != null) {
	        final Message oldMessage = bitmapWorkerTask.message;
	        if (oldMessage == null || message != oldMessage) {
	            bitmapWorkerTask.cancel(true);
	        } else {
	            return false;
	        }
	    }
	    return true;
	}
	
	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
		   if (imageView != null) {
		       final Drawable drawable = imageView.getDrawable();
		       if (drawable instanceof AsyncDrawable) {
		           final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
		           return asyncDrawable.getBitmapWorkerTask();
		       }
		    }
		    return null;
	}
	
	static class AsyncDrawable extends BitmapDrawable {
	    private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;

	    public AsyncDrawable(Resources res, Bitmap bitmap,
	            BitmapWorkerTask bitmapWorkerTask) {
	        super(res, bitmap);
	        bitmapWorkerTaskReference =
	            new WeakReference<BitmapWorkerTask>(bitmapWorkerTask);
	    }

	    public BitmapWorkerTask getBitmapWorkerTask() {
	        return bitmapWorkerTaskReference.get();
	    }
	}
}