1package eu.siacs.conversations.ui;
2
3import java.io.FileNotFoundException;
4import java.lang.ref.WeakReference;
5import java.util.ArrayList;
6import java.util.Hashtable;
7import java.util.List;
8
9import eu.siacs.conversations.R;
10import eu.siacs.conversations.entities.Account;
11import eu.siacs.conversations.entities.Contact;
12import eu.siacs.conversations.entities.Conversation;
13import eu.siacs.conversations.entities.Message;
14import eu.siacs.conversations.utils.ExceptionHelper;
15import eu.siacs.conversations.utils.UIHelper;
16import android.os.AsyncTask;
17import android.os.Bundle;
18import android.preference.PreferenceManager;
19import android.app.AlertDialog;
20import android.app.FragmentTransaction;
21import android.content.Context;
22import android.content.DialogInterface;
23import android.content.DialogInterface.OnClickListener;
24import android.content.Intent;
25import android.content.SharedPreferences;
26import android.content.res.Resources;
27import android.graphics.Bitmap;
28import android.graphics.Color;
29import android.graphics.Typeface;
30import android.graphics.drawable.BitmapDrawable;
31import android.graphics.drawable.Drawable;
32import android.support.v4.widget.SlidingPaneLayout;
33import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
34import android.util.DisplayMetrics;
35import android.util.Log;
36import android.view.KeyEvent;
37import android.view.LayoutInflater;
38import android.view.Menu;
39import android.view.MenuItem;
40import android.view.View;
41import android.view.ViewGroup;
42import android.widget.AdapterView;
43import android.widget.AdapterView.OnItemClickListener;
44import android.widget.ArrayAdapter;
45import android.widget.CheckBox;
46import android.widget.ListView;
47import android.widget.PopupMenu;
48import android.widget.PopupMenu.OnMenuItemClickListener;
49import android.widget.TextView;
50import android.widget.ImageView;
51
52public class ConversationActivity extends XmppActivity {
53
54 public static final String VIEW_CONVERSATION = "viewConversation";
55 public static final String CONVERSATION = "conversationUuid";
56 public static final String TEXT = "text";
57 public static final String PRESENCE = "eu.siacs.conversations.presence";
58
59 public static final int REQUEST_SEND_MESSAGE = 0x75441;
60 public static final int REQUEST_DECRYPT_PGP = 0x76783;
61 private static final int ATTACH_FILE = 0x48502;
62
63 protected SlidingPaneLayout spl;
64
65 private List<Conversation> conversationList = new ArrayList<Conversation>();
66 private Conversation selectedConversation = null;
67 private ListView listView;
68
69 private boolean paneShouldBeOpen = true;
70 private boolean useSubject = true;
71 private ArrayAdapter<Conversation> listAdapter;
72
73 private OnConversationListChangedListener onConvChanged = new OnConversationListChangedListener() {
74
75 @Override
76 public void onConversationListChanged() {
77 runOnUiThread(new Runnable() {
78
79 @Override
80 public void run() {
81 updateConversationList();
82 if (paneShouldBeOpen) {
83 if (conversationList.size() >= 1) {
84 swapConversationFragment();
85 } else {
86 startActivity(new Intent(getApplicationContext(),
87 ContactsActivity.class));
88 finish();
89 }
90 }
91 ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
92 .findFragmentByTag("conversation");
93 if (selectedFragment != null) {
94 selectedFragment.updateMessages();
95 }
96 }
97 });
98 }
99 };
100
101 protected ConversationActivity activity = this;
102 private DisplayMetrics metrics;
103
104 public List<Conversation> getConversationList() {
105 return this.conversationList;
106 }
107
108 public Conversation getSelectedConversation() {
109 return this.selectedConversation;
110 }
111
112 public ListView getConversationListView() {
113 return this.listView;
114 }
115
116 public SlidingPaneLayout getSlidingPaneLayout() {
117 return this.spl;
118 }
119
120 public boolean shouldPaneBeOpen() {
121 return paneShouldBeOpen;
122 }
123
124 @Override
125 protected void onCreate(Bundle savedInstanceState) {
126
127 metrics = getResources().getDisplayMetrics();
128
129 super.onCreate(savedInstanceState);
130
131 setContentView(R.layout.fragment_conversations_overview);
132
133 listView = (ListView) findViewById(R.id.list);
134
135 this.listAdapter = new ArrayAdapter<Conversation>(this,
136 R.layout.conversation_list_row, conversationList) {
137 @Override
138 public View getView(int position, View view, ViewGroup parent) {
139 if (view == null) {
140 LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
141 view = (View) inflater.inflate(
142 R.layout.conversation_list_row, null);
143 }
144 Conversation conv;
145 if (conversationList.size() > position) {
146 conv = getItem(position);
147 } else {
148 return view;
149 }
150 if (!spl.isSlideable()) {
151 if (conv == getSelectedConversation()) {
152 view.setBackgroundColor(0xffdddddd);
153 } else {
154 view.setBackgroundColor(Color.TRANSPARENT);
155 }
156 } else {
157 view.setBackgroundColor(Color.TRANSPARENT);
158 }
159 TextView convName = (TextView) view
160 .findViewById(R.id.conversation_name);
161 convName.setText(conv.getName(useSubject));
162 TextView convLastMsg = (TextView) view
163 .findViewById(R.id.conversation_lastmsg);
164 ImageView imagePreview = (ImageView) view.findViewById(R.id.conversation_lastimage);
165
166 Message latestMessage = conv.getLatestMessage();
167
168 if (latestMessage.getType() == Message.TYPE_TEXT) {
169 convLastMsg.setText(conv.getLatestMessage().getBody());
170 convLastMsg.setVisibility(View.VISIBLE);
171 imagePreview.setVisibility(View.GONE);
172 } else if (latestMessage.getType() == Message.TYPE_IMAGE) {
173 if ((latestMessage.getStatus() >= Message.STATUS_RECIEVED)&&(latestMessage.getStatus() != Message.STATUS_PREPARING)) {
174 convLastMsg.setVisibility(View.GONE);
175 imagePreview.setVisibility(View.VISIBLE);
176 loadBitmap(latestMessage, imagePreview);
177 } else {
178 convLastMsg.setVisibility(View.VISIBLE);
179 imagePreview.setVisibility(View.GONE);
180 if (latestMessage.getStatus() == Message.STATUS_PREPARING) {
181 convLastMsg.setText(getText(R.string.preparing_image));
182 } else if (latestMessage.getStatus() == Message.STATUS_RECEIVED_OFFER) {
183 convLastMsg.setText(getText(R.string.image_offered_for_download));
184 } else if (latestMessage.getStatus() == Message.STATUS_RECIEVING) {
185 convLastMsg.setText(getText(R.string.receiving_image));
186 } else {
187 convLastMsg.setText("");
188 }
189 }
190 }
191
192
193
194 if (!conv.isRead()) {
195 convName.setTypeface(null, Typeface.BOLD);
196 convLastMsg.setTypeface(null, Typeface.BOLD);
197 } else {
198 convName.setTypeface(null, Typeface.NORMAL);
199 convLastMsg.setTypeface(null, Typeface.NORMAL);
200 }
201
202 ((TextView) view.findViewById(R.id.conversation_lastupdate))
203 .setText(UIHelper.readableTimeDifference(conv
204 .getLatestMessage().getTimeSent()));
205
206 ImageView profilePicture = (ImageView) view
207 .findViewById(R.id.conversation_image);
208 profilePicture.setImageBitmap(UIHelper.getContactPicture(
209 conv, 56, activity.getApplicationContext(), false));
210
211 return view;
212 }
213
214 };
215
216 listView.setAdapter(this.listAdapter);
217
218 listView.setOnItemClickListener(new OnItemClickListener() {
219
220 @Override
221 public void onItemClick(AdapterView<?> arg0, View clickedView,
222 int position, long arg3) {
223 paneShouldBeOpen = false;
224 if (selectedConversation != conversationList.get(position)) {
225 selectedConversation = conversationList.get(position);
226 swapConversationFragment(); // .onBackendConnected(conversationList.get(position));
227 } else {
228 spl.closePane();
229 }
230 }
231 });
232 spl = (SlidingPaneLayout) findViewById(R.id.slidingpanelayout);
233 spl.setParallaxDistance(150);
234 spl.setShadowResource(R.drawable.es_slidingpane_shadow);
235 spl.setSliderFadeColor(0);
236 spl.setPanelSlideListener(new PanelSlideListener() {
237
238 @Override
239 public void onPanelOpened(View arg0) {
240 paneShouldBeOpen = true;
241 getActionBar().setDisplayHomeAsUpEnabled(false);
242 getActionBar().setTitle(R.string.app_name);
243 invalidateOptionsMenu();
244 hideKeyboard();
245 }
246
247 @Override
248 public void onPanelClosed(View arg0) {
249 paneShouldBeOpen = false;
250 if ((conversationList.size() > 0)
251 && (getSelectedConversation() != null)) {
252 getActionBar().setDisplayHomeAsUpEnabled(true);
253 getActionBar().setTitle(
254 getSelectedConversation().getName(useSubject));
255 invalidateOptionsMenu();
256 if (!getSelectedConversation().isRead()) {
257 getSelectedConversation().markRead();
258 UIHelper.updateNotification(getApplicationContext(),
259 getConversationList(), null, false);
260 listView.invalidateViews();
261 }
262 }
263 }
264
265 @Override
266 public void onPanelSlide(View arg0, float arg1) {
267 // TODO Auto-generated method stub
268
269 }
270 });
271 }
272
273 @Override
274 public boolean onCreateOptionsMenu(Menu menu) {
275 getMenuInflater().inflate(R.menu.conversations, menu);
276 MenuItem menuSecure = (MenuItem) menu.findItem(R.id.action_security);
277 MenuItem menuArchive = (MenuItem) menu.findItem(R.id.action_archive);
278 MenuItem menuMucDetails = (MenuItem) menu
279 .findItem(R.id.action_muc_details);
280 MenuItem menuContactDetails = (MenuItem) menu
281 .findItem(R.id.action_contact_details);
282 MenuItem menuInviteContacts = (MenuItem) menu
283 .findItem(R.id.action_invite);
284 MenuItem menuAttach = (MenuItem) menu.findItem(R.id.action_attach_file);
285 MenuItem menuClearHistory = (MenuItem) menu.findItem(R.id.action_clear_history);
286
287 if ((spl.isOpen() && (spl.isSlideable()))) {
288 menuArchive.setVisible(false);
289 menuMucDetails.setVisible(false);
290 menuContactDetails.setVisible(false);
291 menuSecure.setVisible(false);
292 menuInviteContacts.setVisible(false);
293 menuAttach.setVisible(false);
294 menuClearHistory.setVisible(false);
295 } else {
296 ((MenuItem) menu.findItem(R.id.action_add)).setVisible(!spl
297 .isSlideable());
298 if (this.getSelectedConversation() != null) {
299 if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
300 menuContactDetails.setVisible(false);
301 menuSecure.setVisible(false);
302 menuAttach.setVisible(false);
303 } else {
304 menuMucDetails.setVisible(false);
305 menuInviteContacts.setVisible(false);
306 if (this.getSelectedConversation().getLatestMessage()
307 .getEncryption() != Message.ENCRYPTION_NONE) {
308 menuSecure.setIcon(R.drawable.ic_action_secure);
309 }
310 }
311 }
312 }
313 return true;
314 }
315
316 @Override
317 public boolean onOptionsItemSelected(MenuItem item) {
318 switch (item.getItemId()) {
319 case android.R.id.home:
320 spl.openPane();
321 break;
322 case R.id.action_attach_file:
323 selectPresence(getSelectedConversation(), new OnPresenceSelected() {
324
325 @Override
326 public void onPresenceSelected(boolean success, String presence) {
327 if (success) {
328 Intent attachFileIntent = new Intent();
329 attachFileIntent.setType("image/*");
330 attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
331 Intent chooser = Intent.createChooser(attachFileIntent, getString(R.string.attach_file));
332 startActivityForResult(chooser, ATTACH_FILE);
333 }
334 }
335
336 @Override
337 public void onSendPlainTextInstead() {
338 // TODO Auto-generated method stub
339
340 }
341 },"file");
342 break;
343 case R.id.action_add:
344 startActivity(new Intent(this, ContactsActivity.class));
345 break;
346 case R.id.action_archive:
347 this.endConversation(getSelectedConversation());
348 break;
349 case R.id.action_contact_details:
350 Contact contact = this.getSelectedConversation().getContact();
351 if (contact != null) {
352 Intent intent = new Intent(this, ContactDetailsActivity.class);
353 intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
354 intent.putExtra("uuid", contact.getUuid());
355 startActivity(intent);
356 } else {
357 showAddToRosterDialog(getSelectedConversation());
358 }
359 break;
360 case R.id.action_muc_details:
361 Intent intent = new Intent(this, MucDetailsActivity.class);
362 intent.setAction(MucDetailsActivity.ACTION_VIEW_MUC);
363 intent.putExtra("uuid", getSelectedConversation().getUuid());
364 startActivity(intent);
365 break;
366 case R.id.action_invite:
367 Intent inviteIntent = new Intent(getApplicationContext(),
368 ContactsActivity.class);
369 inviteIntent.setAction("invite");
370 inviteIntent.putExtra("uuid", selectedConversation.getUuid());
371 startActivity(inviteIntent);
372 break;
373 case R.id.action_security:
374 final Conversation selConv = getSelectedConversation();
375 View menuItemView = findViewById(R.id.action_security);
376 PopupMenu popup = new PopupMenu(this, menuItemView);
377 final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
378 .findFragmentByTag("conversation");
379 if (fragment != null) {
380 popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
381
382 @Override
383 public boolean onMenuItemClick(MenuItem item) {
384 switch (item.getItemId()) {
385 case R.id.encryption_choice_none:
386 selConv.nextMessageEncryption = Message.ENCRYPTION_NONE;
387 item.setChecked(true);
388 break;
389 case R.id.encryption_choice_otr:
390 selConv.nextMessageEncryption = Message.ENCRYPTION_OTR;
391 item.setChecked(true);
392 break;
393 case R.id.encryption_choice_pgp:
394 selConv.nextMessageEncryption = Message.ENCRYPTION_PGP;
395 item.setChecked(true);
396 break;
397 default:
398 selConv.nextMessageEncryption = Message.ENCRYPTION_NONE;
399 break;
400 }
401 fragment.updateChatMsgHint();
402 return true;
403 }
404 });
405 popup.inflate(R.menu.encryption_choices);
406 switch (selConv.nextMessageEncryption) {
407 case Message.ENCRYPTION_NONE:
408 popup.getMenu().findItem(R.id.encryption_choice_none)
409 .setChecked(true);
410 break;
411 case Message.ENCRYPTION_OTR:
412 popup.getMenu().findItem(R.id.encryption_choice_otr)
413 .setChecked(true);
414 break;
415 case Message.ENCRYPTION_PGP:
416 popup.getMenu().findItem(R.id.encryption_choice_pgp)
417 .setChecked(true);
418 break;
419 case Message.ENCRYPTION_DECRYPTED:
420 popup.getMenu().findItem(R.id.encryption_choice_pgp)
421 .setChecked(true);
422 break;
423 default:
424 popup.getMenu().findItem(R.id.encryption_choice_none)
425 .setChecked(true);
426 break;
427 }
428 popup.show();
429 }
430
431 break;
432 case R.id.action_clear_history:
433 clearHistoryDialog(getSelectedConversation());
434 break;
435 default:
436 break;
437 }
438 return super.onOptionsItemSelected(item);
439 }
440
441 private void endConversation(Conversation conversation) {
442 conversation.setStatus(Conversation.STATUS_ARCHIVED);
443 paneShouldBeOpen = true;
444 spl.openPane();
445 xmppConnectionService.archiveConversation(conversation);
446 if (conversationList.size() > 0) {
447 selectedConversation = conversationList.get(0);
448 } else {
449 selectedConversation = null;
450 }
451 }
452
453 protected void clearHistoryDialog(final Conversation conversation) {
454 AlertDialog.Builder builder = new AlertDialog.Builder(this);
455 builder.setTitle(getString(R.string.clear_conversation_history));
456 View dialogView = getLayoutInflater().inflate(R.layout.dialog_clear_history, null);
457 final CheckBox endConversationCheckBox = (CheckBox) dialogView.findViewById(R.id.end_conversation_checkbox);
458 builder.setView(dialogView);
459 builder.setNegativeButton(getString(R.string.cancel), null);
460 builder.setPositiveButton(getString(R.string.delete_messages), new OnClickListener() {
461
462 @Override
463 public void onClick(DialogInterface dialog, int which) {
464 activity.xmppConnectionService.clearConversationHistory(conversation);
465 if (endConversationCheckBox.isChecked()) {
466 endConversation(conversation);
467 }
468 }
469 });
470 builder.create().show();
471 }
472
473 protected ConversationFragment swapConversationFragment() {
474 ConversationFragment selectedFragment = new ConversationFragment();
475
476 FragmentTransaction transaction = getFragmentManager()
477 .beginTransaction();
478 transaction.replace(R.id.selected_conversation, selectedFragment,
479 "conversation");
480 transaction.commit();
481 return selectedFragment;
482 }
483
484 @Override
485 public boolean onKeyDown(int keyCode, KeyEvent event) {
486 if (keyCode == KeyEvent.KEYCODE_BACK) {
487 if (!spl.isOpen()) {
488 spl.openPane();
489 return false;
490 }
491 }
492 return super.onKeyDown(keyCode, event);
493 }
494
495 @Override
496 public void onStart() {
497 super.onStart();
498 SharedPreferences preferences = PreferenceManager
499 .getDefaultSharedPreferences(this);
500 this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
501 if (this.xmppConnectionServiceBound) {
502 this.onBackendConnected();
503 }
504 if (conversationList.size() >= 1) {
505 onConvChanged.onConversationListChanged();
506 }
507 }
508
509 @Override
510 protected void onStop() {
511 if (xmppConnectionServiceBound) {
512 xmppConnectionService.removeOnConversationListChangedListener();
513 }
514 super.onStop();
515 }
516
517 @Override
518 void onBackendConnected() {
519 this.registerListener();
520 if (conversationList.size() == 0) {
521 updateConversationList();
522 }
523
524 if ((getIntent().getAction() != null)
525 && (getIntent().getAction().equals(Intent.ACTION_VIEW) && (!handledViewIntent))) {
526 if (getIntent().getType().equals(
527 ConversationActivity.VIEW_CONVERSATION)) {
528 handledViewIntent = true;
529
530 String convToView = (String) getIntent().getExtras().get(
531 CONVERSATION);
532
533 for (int i = 0; i < conversationList.size(); ++i) {
534 if (conversationList.get(i).getUuid().equals(convToView)) {
535 selectedConversation = conversationList.get(i);
536 }
537 }
538 paneShouldBeOpen = false;
539 String text = getIntent().getExtras().getString(TEXT, null);
540 swapConversationFragment().setText(text);
541 }
542 } else {
543 if (xmppConnectionService.getAccounts().size() == 0) {
544 startActivity(new Intent(this, ManageAccountActivity.class));
545 finish();
546 } else if (conversationList.size() <= 0) {
547 // add no history
548 startActivity(new Intent(this, ContactsActivity.class));
549 finish();
550 } else {
551 spl.openPane();
552 // find currently loaded fragment
553 ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
554 .findFragmentByTag("conversation");
555 if (selectedFragment != null) {
556 selectedFragment.onBackendConnected();
557 } else {
558 selectedConversation = conversationList.get(0);
559 swapConversationFragment();
560 }
561 ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
562 }
563 }
564 }
565
566 public void registerListener() {
567 if (xmppConnectionServiceBound) {
568 xmppConnectionService
569 .setOnConversationListChangedListener(this.onConvChanged);
570 }
571 }
572
573 @Override
574 protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
575 super.onActivityResult(requestCode, resultCode, data);
576 if (resultCode == RESULT_OK) {
577 if (requestCode == REQUEST_DECRYPT_PGP) {
578 ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
579 .findFragmentByTag("conversation");
580 if (selectedFragment != null) {
581 selectedFragment.hidePgpPassphraseBox();
582 }
583 } else if (requestCode == ATTACH_FILE) {
584 Conversation conversation = getSelectedConversation();
585 String presence = conversation.getNextPresence();
586 xmppConnectionService.attachImageToConversation(conversation, presence, data.getData());
587
588 }
589 }
590 }
591
592 public void updateConversationList() {
593 conversationList.clear();
594 conversationList.addAll(xmppConnectionService.getConversations());
595 listView.invalidateViews();
596 }
597
598 public void selectPresence(final Conversation conversation, final OnPresenceSelected listener, String reason) {
599 Account account = conversation.getAccount();
600 if (account.getStatus() != Account.STATUS_ONLINE) {
601 AlertDialog.Builder builder = new AlertDialog.Builder(this);
602 builder.setTitle(getString(R.string.not_connected));
603 builder.setIconAttribute(android.R.attr.alertDialogIcon);
604 if ("otr".equals(reason)) {
605 builder.setMessage(getString(R.string.you_are_offline,getString(R.string.otr_messages)));
606 } else if ("file".equals(reason)) {
607 builder.setMessage(getString(R.string.you_are_offline,getString(R.string.files)));
608 } else {
609 builder.setMessage(getString(R.string.you_are_offline_blank));
610 }
611 builder.setNegativeButton(getString(R.string.cancel), null);
612 builder.setPositiveButton(getString(R.string.manage_account), new OnClickListener() {
613
614 @Override
615 public void onClick(DialogInterface dialog, int which) {
616 startActivity(new Intent(activity, ManageAccountActivity.class));
617 }
618 });
619 builder.create().show();
620 listener.onPresenceSelected(false, null);
621 } else {
622 Contact contact = conversation.getContact();
623 if (contact==null) {
624 showAddToRosterDialog(conversation);
625 listener.onPresenceSelected(false,null);
626 } else {
627 Hashtable<String, Integer> presences = contact.getPresences();
628 if (presences.size() == 0) {
629 AlertDialog.Builder builder = new AlertDialog.Builder(this);
630 builder.setTitle(getString(R.string.contact_offline));
631 if ("otr".equals(reason)) {
632 builder.setMessage(getString(R.string.contact_offline_otr));
633 builder.setPositiveButton(getString(R.string.send_unencrypted), new OnClickListener() {
634
635 @Override
636 public void onClick(DialogInterface dialog, int which) {
637 listener.onSendPlainTextInstead();
638 }
639 });
640 } else if ("file".equals(reason)) {
641 builder.setMessage(getString(R.string.contact_offline_file));
642 }
643 builder.setIconAttribute(android.R.attr.alertDialogIcon);
644 builder.setNegativeButton(getString(R.string.cancel), null);
645 builder.create().show();
646 listener.onPresenceSelected(false, null);
647 } else if (presences.size() == 1) {
648 String presence = (String) presences.keySet().toArray()[0];
649 conversation.setNextPresence(presence);
650 listener.onPresenceSelected(true, presence);
651 } else {
652 AlertDialog.Builder builder = new AlertDialog.Builder(this);
653 builder.setTitle(getString(R.string.choose_presence));
654 final String[] presencesArray = new String[presences.size()];
655 presences.keySet().toArray(presencesArray);
656 builder.setItems(presencesArray,
657 new DialogInterface.OnClickListener() {
658
659 @Override
660 public void onClick(DialogInterface dialog,
661 int which) {
662 String presence = presencesArray[which];
663 conversation.setNextPresence(presence);
664 listener.onPresenceSelected(true,presence);
665 }
666 });
667 builder.create().show();
668 }
669 }
670 }
671 }
672
673 private void showAddToRosterDialog(final Conversation conversation) {
674 String jid = conversation.getContactJid();
675 AlertDialog.Builder builder = new AlertDialog.Builder(this);
676 builder.setTitle(jid);
677 builder.setMessage(getString(R.string.not_in_roster));
678 builder.setNegativeButton(getString(R.string.cancel), null);
679 builder.setPositiveButton(getString(R.string.add_contact), new DialogInterface.OnClickListener() {
680
681 @Override
682 public void onClick(DialogInterface dialog, int which) {
683 String jid = conversation.getContactJid();
684 Account account = getSelectedConversation().getAccount();
685 String name = jid.split("@")[0];
686 Contact contact = new Contact(account, name, jid, null);
687 xmppConnectionService.createContact(contact);
688 }
689 });
690 builder.create().show();
691 }
692
693
694 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
695 private final WeakReference<ImageView> imageViewReference;
696 private Message message = null;
697
698 public BitmapWorkerTask(ImageView imageView) {
699 imageViewReference = new WeakReference<ImageView>(imageView);
700 }
701
702 @Override
703 protected Bitmap doInBackground(Message... params) {
704 message = params[0];
705 try {
706 return xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288),false);
707 } catch (FileNotFoundException e) {
708 Log.d("xmppService","file not found!");
709 return null;
710 }
711 }
712
713 @Override
714 protected void onPostExecute(Bitmap bitmap) {
715 if (imageViewReference != null && bitmap != null) {
716 final ImageView imageView = imageViewReference.get();
717 if (imageView != null) {
718 imageView.setImageBitmap(bitmap);
719 imageView.setBackgroundColor(0x00000000);
720 }
721 }
722 }
723 }
724
725 public void loadBitmap(Message message, ImageView imageView) {
726 Bitmap bm;
727 try {
728 bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
729 } catch (FileNotFoundException e) {
730 bm = null;
731 }
732 if (bm!=null) {
733 imageView.setImageBitmap(bm);
734 imageView.setBackgroundColor(0x00000000);
735 } else {
736 if (cancelPotentialWork(message, imageView)) {
737 imageView.setBackgroundColor(0xff333333);
738 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
739 final AsyncDrawable asyncDrawable =
740 new AsyncDrawable(getResources(), null, task);
741 imageView.setImageDrawable(asyncDrawable);
742 task.execute(message);
743 }
744 }
745 }
746
747 public static boolean cancelPotentialWork(Message message, ImageView imageView) {
748 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
749
750 if (bitmapWorkerTask != null) {
751 final Message oldMessage = bitmapWorkerTask.message;
752 if (oldMessage == null || message != oldMessage) {
753 bitmapWorkerTask.cancel(true);
754 } else {
755 return false;
756 }
757 }
758 return true;
759 }
760
761 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
762 if (imageView != null) {
763 final Drawable drawable = imageView.getDrawable();
764 if (drawable instanceof AsyncDrawable) {
765 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
766 return asyncDrawable.getBitmapWorkerTask();
767 }
768 }
769 return null;
770 }
771
772 static class AsyncDrawable extends BitmapDrawable {
773 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
774
775 public AsyncDrawable(Resources res, Bitmap bitmap,
776 BitmapWorkerTask bitmapWorkerTask) {
777 super(res, bitmap);
778 bitmapWorkerTaskReference =
779 new WeakReference<BitmapWorkerTask>(bitmapWorkerTask);
780 }
781
782 public BitmapWorkerTask getBitmapWorkerTask() {
783 return bitmapWorkerTaskReference.get();
784 }
785 }
786}