1package eu.siacs.conversations.ui;
2
3import android.annotation.SuppressLint;
4import android.annotation.TargetApi;
5import android.app.ActionBar;
6import android.app.Activity;
7import android.app.AlertDialog;
8import android.app.AlertDialog.Builder;
9import android.app.PendingIntent;
10import android.content.ClipData;
11import android.content.ClipboardManager;
12import android.content.ComponentName;
13import android.content.Context;
14import android.content.DialogInterface;
15import android.content.DialogInterface.OnClickListener;
16import android.content.Intent;
17import android.content.IntentSender.SendIntentException;
18import android.content.ServiceConnection;
19import android.content.SharedPreferences;
20import android.content.pm.PackageManager;
21import android.content.pm.ResolveInfo;
22import android.content.res.Resources;
23import android.graphics.Bitmap;
24import android.graphics.Color;
25import android.graphics.Point;
26import android.graphics.drawable.BitmapDrawable;
27import android.graphics.drawable.Drawable;
28import android.net.Uri;
29import android.nfc.NdefMessage;
30import android.nfc.NdefRecord;
31import android.nfc.NfcAdapter;
32import android.nfc.NfcEvent;
33import android.os.AsyncTask;
34import android.os.Build;
35import android.os.Bundle;
36import android.os.IBinder;
37import android.preference.PreferenceManager;
38import android.text.InputType;
39import android.util.DisplayMetrics;
40import android.util.Log;
41import android.view.MenuItem;
42import android.view.View;
43import android.view.inputmethod.InputMethodManager;
44import android.widget.EditText;
45import android.widget.ImageView;
46import android.widget.Toast;
47
48import com.google.zxing.BarcodeFormat;
49import com.google.zxing.EncodeHintType;
50import com.google.zxing.WriterException;
51import com.google.zxing.common.BitMatrix;
52import com.google.zxing.qrcode.QRCodeWriter;
53import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
54
55import net.java.otr4j.session.SessionID;
56
57import java.io.FileNotFoundException;
58import java.lang.ref.WeakReference;
59import java.util.ArrayList;
60import java.util.Hashtable;
61import java.util.List;
62import java.util.concurrent.RejectedExecutionException;
63
64import eu.siacs.conversations.Config;
65import eu.siacs.conversations.R;
66import eu.siacs.conversations.entities.Account;
67import eu.siacs.conversations.entities.Contact;
68import eu.siacs.conversations.entities.Conversation;
69import eu.siacs.conversations.entities.Message;
70import eu.siacs.conversations.entities.Presences;
71import eu.siacs.conversations.services.AvatarService;
72import eu.siacs.conversations.services.XmppConnectionService;
73import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
74import eu.siacs.conversations.utils.ExceptionHelper;
75import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
76import eu.siacs.conversations.xmpp.jid.InvalidJidException;
77import eu.siacs.conversations.xmpp.jid.Jid;
78
79public abstract class XmppActivity extends Activity {
80
81 protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
82 protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
83
84 public XmppConnectionService xmppConnectionService;
85 public boolean xmppConnectionServiceBound = false;
86 protected boolean registeredListeners = false;
87
88 protected int mPrimaryTextColor;
89 protected int mSecondaryTextColor;
90 protected int mSecondaryBackgroundColor;
91 protected int mColorRed;
92 protected int mColorOrange;
93 protected int mColorGreen;
94 protected int mPrimaryColor;
95
96 protected boolean mUseSubject = true;
97
98 private DisplayMetrics metrics;
99 protected int mTheme;
100 protected boolean mUsingEnterKey = false;
101
102 protected interface OnValueEdited {
103 public void onValueEdited(String value);
104 }
105
106 public interface OnPresenceSelected {
107 public void onPresenceSelected();
108 }
109
110 protected ServiceConnection mConnection = new ServiceConnection() {
111
112 @Override
113 public void onServiceConnected(ComponentName className, IBinder service) {
114 XmppConnectionBinder binder = (XmppConnectionBinder) service;
115 xmppConnectionService = binder.getService();
116 xmppConnectionServiceBound = true;
117 if (!registeredListeners && shouldRegisterListeners()) {
118 registerListeners();
119 registeredListeners = true;
120 }
121 onBackendConnected();
122 }
123
124 @Override
125 public void onServiceDisconnected(ComponentName arg0) {
126 xmppConnectionServiceBound = false;
127 }
128 };
129
130 @Override
131 protected void onStart() {
132 super.onStart();
133 if (!xmppConnectionServiceBound) {
134 connectToBackend();
135 } else {
136 if (!registeredListeners) {
137 this.registerListeners();
138 this.registeredListeners = true;
139 }
140 this.onBackendConnected();
141 }
142 }
143
144 @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
145 protected boolean shouldRegisterListeners() {
146 if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
147 return !isDestroyed() && !isFinishing();
148 } else {
149 return !isFinishing();
150 }
151 }
152
153 public void connectToBackend() {
154 Intent intent = new Intent(this, XmppConnectionService.class);
155 intent.setAction("ui");
156 startService(intent);
157 bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
158 }
159
160 @Override
161 protected void onStop() {
162 super.onStop();
163 if (xmppConnectionServiceBound) {
164 if (registeredListeners) {
165 this.unregisterListeners();
166 this.registeredListeners = false;
167 }
168 unbindService(mConnection);
169 xmppConnectionServiceBound = false;
170 }
171 }
172
173 protected void hideKeyboard() {
174 InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
175
176 View focus = getCurrentFocus();
177
178 if (focus != null) {
179
180 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
181 InputMethodManager.HIDE_NOT_ALWAYS);
182 }
183 }
184
185 public boolean hasPgp() {
186 return xmppConnectionService.getPgpEngine() != null;
187 }
188
189 public void showInstallPgpDialog() {
190 Builder builder = new AlertDialog.Builder(this);
191 builder.setTitle(getString(R.string.openkeychain_required));
192 builder.setIconAttribute(android.R.attr.alertDialogIcon);
193 builder.setMessage(getText(R.string.openkeychain_required_long));
194 builder.setNegativeButton(getString(R.string.cancel), null);
195 builder.setNeutralButton(getString(R.string.restart),
196 new OnClickListener() {
197
198 @Override
199 public void onClick(DialogInterface dialog, int which) {
200 if (xmppConnectionServiceBound) {
201 unbindService(mConnection);
202 xmppConnectionServiceBound = false;
203 }
204 stopService(new Intent(XmppActivity.this,
205 XmppConnectionService.class));
206 finish();
207 }
208 });
209 builder.setPositiveButton(getString(R.string.install),
210 new OnClickListener() {
211
212 @Override
213 public void onClick(DialogInterface dialog, int which) {
214 Uri uri = Uri
215 .parse("market://details?id=org.sufficientlysecure.keychain");
216 Intent marketIntent = new Intent(Intent.ACTION_VIEW,
217 uri);
218 PackageManager manager = getApplicationContext()
219 .getPackageManager();
220 List<ResolveInfo> infos = manager
221 .queryIntentActivities(marketIntent, 0);
222 if (infos.size() > 0) {
223 startActivity(marketIntent);
224 } else {
225 uri = Uri.parse("http://www.openkeychain.org/");
226 Intent browserIntent = new Intent(
227 Intent.ACTION_VIEW, uri);
228 startActivity(browserIntent);
229 }
230 finish();
231 }
232 });
233 builder.create().show();
234 }
235
236 abstract void onBackendConnected();
237
238 protected void registerListeners() {
239 if (this instanceof XmppConnectionService.OnConversationUpdate) {
240 this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
241 }
242 if (this instanceof XmppConnectionService.OnAccountUpdate) {
243 this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
244 }
245 if (this instanceof XmppConnectionService.OnRosterUpdate) {
246 this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
247 }
248 if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
249 this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
250 }
251 if (this instanceof OnUpdateBlocklist) {
252 this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
253 }
254 }
255
256 protected void unregisterListeners() {
257 if (this instanceof XmppConnectionService.OnConversationUpdate) {
258 this.xmppConnectionService.removeOnConversationListChangedListener();
259 }
260 if (this instanceof XmppConnectionService.OnAccountUpdate) {
261 this.xmppConnectionService.removeOnAccountListChangedListener();
262 }
263 if (this instanceof XmppConnectionService.OnRosterUpdate) {
264 this.xmppConnectionService.removeOnRosterUpdateListener();
265 }
266 if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
267 this.xmppConnectionService.removeOnMucRosterUpdateListener();
268 }
269 if (this instanceof OnUpdateBlocklist) {
270 this.xmppConnectionService.removeOnUpdateBlocklistListener();
271 }
272 }
273
274 @Override
275 public boolean onOptionsItemSelected(final MenuItem item) {
276 switch (item.getItemId()) {
277 case R.id.action_settings:
278 startActivity(new Intent(this, SettingsActivity.class));
279 break;
280 case R.id.action_accounts:
281 startActivity(new Intent(this, ManageAccountActivity.class));
282 break;
283 case android.R.id.home:
284 finish();
285 break;
286 case R.id.action_show_qr_code:
287 showQrCode();
288 break;
289 }
290 return super.onOptionsItemSelected(item);
291 }
292
293 @Override
294 protected void onCreate(Bundle savedInstanceState) {
295 super.onCreate(savedInstanceState);
296 metrics = getResources().getDisplayMetrics();
297 ExceptionHelper.init(getApplicationContext());
298 mPrimaryTextColor = getResources().getColor(R.color.primarytext);
299 mSecondaryTextColor = getResources().getColor(R.color.secondarytext);
300 mColorRed = getResources().getColor(R.color.red);
301 mColorOrange = getResources().getColor(R.color.orange);
302 mColorGreen = getResources().getColor(R.color.green);
303 mPrimaryColor = getResources().getColor(R.color.primary);
304 mSecondaryBackgroundColor = getResources().getColor(R.color.secondarybackground);
305 this.mTheme = findTheme();
306 setTheme(this.mTheme);
307 this.mUsingEnterKey = usingEnterKey();
308 mUseSubject = getPreferences().getBoolean("use_subject", true);
309 final ActionBar ab = getActionBar();
310 if (ab!=null) {
311 ab.setDisplayHomeAsUpEnabled(true);
312 }
313 }
314
315 protected boolean usingEnterKey() {
316 return getPreferences().getBoolean("display_enter_key", false);
317 }
318
319 protected SharedPreferences getPreferences() {
320 return PreferenceManager
321 .getDefaultSharedPreferences(getApplicationContext());
322 }
323
324 public boolean useSubjectToIdentifyConference() {
325 return mUseSubject;
326 }
327
328 public void switchToConversation(Conversation conversation) {
329 switchToConversation(conversation, null, false);
330 }
331
332 public void switchToConversation(Conversation conversation, String text,
333 boolean newTask) {
334 switchToConversation(conversation,text,null,newTask);
335 }
336
337 public void highlightInMuc(Conversation conversation, String nick) {
338 switchToConversation(conversation,null,nick,false);
339 }
340
341 private void switchToConversation(Conversation conversation, String text, String nick, boolean newTask) {
342 Intent viewConversationIntent = new Intent(this,
343 ConversationActivity.class);
344 viewConversationIntent.setAction(Intent.ACTION_VIEW);
345 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
346 conversation.getUuid());
347 if (text != null) {
348 viewConversationIntent.putExtra(ConversationActivity.TEXT, text);
349 }
350 if (nick != null) {
351 viewConversationIntent.putExtra(ConversationActivity.NICK, nick);
352 }
353 viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
354 if (newTask) {
355 viewConversationIntent.setFlags(viewConversationIntent.getFlags()
356 | Intent.FLAG_ACTIVITY_NEW_TASK
357 | Intent.FLAG_ACTIVITY_SINGLE_TOP);
358 } else {
359 viewConversationIntent.setFlags(viewConversationIntent.getFlags()
360 | Intent.FLAG_ACTIVITY_CLEAR_TOP);
361 }
362 startActivity(viewConversationIntent);
363 finish();
364 }
365
366 public void switchToContactDetails(Contact contact) {
367 Intent intent = new Intent(this, ContactDetailsActivity.class);
368 intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
369 intent.putExtra("account", contact.getAccount().getJid().toBareJid().toString());
370 intent.putExtra("contact", contact.getJid().toString());
371 startActivity(intent);
372 }
373
374 public void switchToAccount(Account account) {
375 Intent intent = new Intent(this, EditAccountActivity.class);
376 intent.putExtra("jid", account.getJid().toBareJid().toString());
377 startActivity(intent);
378 }
379
380 protected void inviteToConversation(Conversation conversation) {
381 Intent intent = new Intent(getApplicationContext(),
382 ChooseContactActivity.class);
383 intent.putExtra("conversation", conversation.getUuid());
384 startActivityForResult(intent, REQUEST_INVITE_TO_CONVERSATION);
385 }
386
387 protected void announcePgp(Account account, final Conversation conversation) {
388 xmppConnectionService.getPgpEngine().generateSignature(account,
389 "online", new UiCallback<Account>() {
390
391 @Override
392 public void userInputRequried(PendingIntent pi,
393 Account account) {
394 try {
395 startIntentSenderForResult(pi.getIntentSender(),
396 REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
397 } catch (final SendIntentException ignored) {
398 }
399 }
400
401 @Override
402 public void success(Account account) {
403 xmppConnectionService.databaseBackend
404 .updateAccount(account);
405 xmppConnectionService.sendPresencePacket(account,
406 xmppConnectionService.getPresenceGenerator()
407 .sendPresence(account));
408 if (conversation != null) {
409 conversation
410 .setNextEncryption(Message.ENCRYPTION_PGP);
411 xmppConnectionService.databaseBackend
412 .updateConversation(conversation);
413 }
414 }
415
416 @Override
417 public void error(int error, Account account) {
418 displayErrorDialog(error);
419 }
420 });
421 }
422
423 protected void displayErrorDialog(final int errorCode) {
424 runOnUiThread(new Runnable() {
425
426 @Override
427 public void run() {
428 AlertDialog.Builder builder = new AlertDialog.Builder(
429 XmppActivity.this);
430 builder.setIconAttribute(android.R.attr.alertDialogIcon);
431 builder.setTitle(getString(R.string.error));
432 builder.setMessage(errorCode);
433 builder.setNeutralButton(R.string.accept, null);
434 builder.create().show();
435 }
436 });
437
438 }
439
440 protected void showAddToRosterDialog(final Conversation conversation) {
441 showAddToRosterDialog(conversation.getContact());
442 }
443
444 protected void showAddToRosterDialog(final Contact contact) {
445 AlertDialog.Builder builder = new AlertDialog.Builder(this);
446 builder.setTitle(contact.getJid().toString());
447 builder.setMessage(getString(R.string.not_in_roster));
448 builder.setNegativeButton(getString(R.string.cancel), null);
449 builder.setPositiveButton(getString(R.string.add_contact),
450 new DialogInterface.OnClickListener() {
451
452 @Override
453 public void onClick(DialogInterface dialog, int which) {
454 final Jid jid = contact.getJid();
455 Account account = contact.getAccount();
456 Contact contact = account.getRoster().getContact(jid);
457 xmppConnectionService.createContact(contact);
458 }
459 });
460 builder.create().show();
461 }
462
463 private void showAskForPresenceDialog(final Contact contact) {
464 AlertDialog.Builder builder = new AlertDialog.Builder(this);
465 builder.setTitle(contact.getJid().toString());
466 builder.setMessage(R.string.request_presence_updates);
467 builder.setNegativeButton(R.string.cancel, null);
468 builder.setPositiveButton(R.string.request_now,
469 new DialogInterface.OnClickListener() {
470
471 @Override
472 public void onClick(DialogInterface dialog, int which) {
473 if (xmppConnectionServiceBound) {
474 xmppConnectionService.sendPresencePacket(contact
475 .getAccount(), xmppConnectionService
476 .getPresenceGenerator()
477 .requestPresenceUpdatesFrom(contact));
478 }
479 }
480 });
481 builder.create().show();
482 }
483
484 private void warnMutalPresenceSubscription(final Conversation conversation,
485 final OnPresenceSelected listener) {
486 AlertDialog.Builder builder = new AlertDialog.Builder(this);
487 builder.setTitle(conversation.getContact().getJid().toString());
488 builder.setMessage(R.string.without_mutual_presence_updates);
489 builder.setNegativeButton(R.string.cancel, null);
490 builder.setPositiveButton(R.string.ignore, new OnClickListener() {
491
492 @Override
493 public void onClick(DialogInterface dialog, int which) {
494 conversation.setNextCounterpart(null);
495 if (listener != null) {
496 listener.onPresenceSelected();
497 }
498 }
499 });
500 builder.create().show();
501 }
502
503 protected void quickEdit(String previousValue, OnValueEdited callback) {
504 quickEdit(previousValue, callback, false);
505 }
506
507 protected void quickPasswordEdit(String previousValue,
508 OnValueEdited callback) {
509 quickEdit(previousValue, callback, true);
510 }
511
512 @SuppressLint("InflateParams")
513 private void quickEdit(final String previousValue,
514 final OnValueEdited callback, boolean password) {
515 AlertDialog.Builder builder = new AlertDialog.Builder(this);
516 View view = getLayoutInflater().inflate(R.layout.quickedit, null);
517 final EditText editor = (EditText) view.findViewById(R.id.editor);
518 OnClickListener mClickListener = new OnClickListener() {
519
520 @Override
521 public void onClick(DialogInterface dialog, int which) {
522 String value = editor.getText().toString();
523 if (!previousValue.equals(value) && value.trim().length() > 0) {
524 callback.onValueEdited(value);
525 }
526 }
527 };
528 if (password) {
529 editor.setInputType(InputType.TYPE_CLASS_TEXT
530 | InputType.TYPE_TEXT_VARIATION_PASSWORD);
531 editor.setHint(R.string.password);
532 builder.setPositiveButton(R.string.accept, mClickListener);
533 } else {
534 builder.setPositiveButton(R.string.edit, mClickListener);
535 }
536 editor.requestFocus();
537 editor.setText(previousValue);
538 builder.setView(view);
539 builder.setNegativeButton(R.string.cancel, null);
540 builder.create().show();
541 }
542
543 public void selectPresence(final Conversation conversation,
544 final OnPresenceSelected listener) {
545 final Contact contact = conversation.getContact();
546 if (conversation.hasValidOtrSession()) {
547 SessionID id = conversation.getOtrSession().getSessionID();
548 Jid jid;
549 try {
550 jid = Jid.fromString(id.getAccountID() + "/" + id.getUserID());
551 } catch (InvalidJidException e) {
552 jid = null;
553 }
554 conversation.setNextCounterpart(jid);
555 listener.onPresenceSelected();
556 } else if (!contact.showInRoster()) {
557 showAddToRosterDialog(conversation);
558 } else {
559 Presences presences = contact.getPresences();
560 if (presences.size() == 0) {
561 if (!contact.getOption(Contact.Options.TO)
562 && !contact.getOption(Contact.Options.ASKING)
563 && contact.getAccount().getStatus() == Account.State.ONLINE) {
564 showAskForPresenceDialog(contact);
565 } else if (!contact.getOption(Contact.Options.TO)
566 || !contact.getOption(Contact.Options.FROM)) {
567 warnMutalPresenceSubscription(conversation, listener);
568 } else {
569 conversation.setNextCounterpart(null);
570 listener.onPresenceSelected();
571 }
572 } else if (presences.size() == 1) {
573 String presence = presences.asStringArray()[0];
574 try {
575 conversation.setNextCounterpart(Jid.fromParts(contact.getJid().getLocalpart(),contact.getJid().getDomainpart(),presence));
576 } catch (InvalidJidException e) {
577 conversation.setNextCounterpart(null);
578 }
579 listener.onPresenceSelected();
580 } else {
581 final StringBuilder presence = new StringBuilder();
582 AlertDialog.Builder builder = new AlertDialog.Builder(this);
583 builder.setTitle(getString(R.string.choose_presence));
584 final String[] presencesArray = presences.asStringArray();
585 int preselectedPresence = 0;
586 for (int i = 0; i < presencesArray.length; ++i) {
587 if (presencesArray[i].equals(contact.lastseen.presence)) {
588 preselectedPresence = i;
589 break;
590 }
591 }
592 presence.append(presencesArray[preselectedPresence]);
593 builder.setSingleChoiceItems(presencesArray,
594 preselectedPresence,
595 new DialogInterface.OnClickListener() {
596
597 @Override
598 public void onClick(DialogInterface dialog,
599 int which) {
600 presence.delete(0, presence.length());
601 presence.append(presencesArray[which]);
602 }
603 });
604 builder.setNegativeButton(R.string.cancel, null);
605 builder.setPositiveButton(R.string.ok, new OnClickListener() {
606
607 @Override
608 public void onClick(DialogInterface dialog, int which) {
609 try {
610 conversation.setNextCounterpart(Jid.fromParts(contact.getJid().getLocalpart(),contact.getJid().getDomainpart(),presence.toString()));
611 } catch (InvalidJidException e) {
612 conversation.setNextCounterpart(null);
613 }
614 listener.onPresenceSelected();
615 }
616 });
617 builder.create().show();
618 }
619 }
620 }
621
622 protected void onActivityResult(int requestCode, int resultCode,
623 final Intent data) {
624 super.onActivityResult(requestCode, resultCode, data);
625 if (requestCode == REQUEST_INVITE_TO_CONVERSATION
626 && resultCode == RESULT_OK) {
627 try {
628 Jid jid = Jid.fromString(data.getStringExtra("contact"));
629 String conversationUuid = data.getStringExtra("conversation");
630 Conversation conversation = xmppConnectionService
631 .findConversationByUuid(conversationUuid);
632 if (conversation.getMode() == Conversation.MODE_MULTI) {
633 xmppConnectionService.invite(conversation, jid);
634 } else {
635 List<Jid> jids = new ArrayList<Jid>();
636 jids.add(conversation.getJid().toBareJid());
637 jids.add(jid);
638 xmppConnectionService.createAdhocConference(conversation.getAccount(), jids, adhocCallback);
639 }
640 } catch (final InvalidJidException ignored) {
641
642 }
643 }
644 }
645
646 private UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
647 @Override
648 public void success(final Conversation conversation) {
649 switchToConversation(conversation);
650 runOnUiThread(new Runnable() {
651 @Override
652 public void run() {
653 Toast.makeText(XmppActivity.this,R.string.conference_created,Toast.LENGTH_LONG).show();
654 }
655 });
656 }
657
658 @Override
659 public void error(final int errorCode, Conversation object) {
660 runOnUiThread(new Runnable() {
661 @Override
662 public void run() {
663 Toast.makeText(XmppActivity.this,errorCode,Toast.LENGTH_LONG).show();
664 }
665 });
666 }
667
668 @Override
669 public void userInputRequried(PendingIntent pi, Conversation object) {
670
671 }
672 };
673
674 public int getSecondaryTextColor() {
675 return this.mSecondaryTextColor;
676 }
677
678 public int getPrimaryTextColor() {
679 return this.mPrimaryTextColor;
680 }
681
682 public int getWarningTextColor() {
683 return this.mColorRed;
684 }
685
686 public int getPrimaryColor() {
687 return this.mPrimaryColor;
688 }
689
690 public int getOnlineColor() {
691 return this.mColorGreen;
692 }
693
694 public int getSecondaryBackgroundColor() {
695 return this.mSecondaryBackgroundColor;
696 }
697
698 public int getPixel(int dp) {
699 DisplayMetrics metrics = getResources().getDisplayMetrics();
700 return ((int) (dp * metrics.density));
701 }
702
703 public boolean copyTextToClipboard(String text, int labelResId) {
704 ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
705 String label = getResources().getString(labelResId);
706 if (mClipBoardManager != null) {
707 ClipData mClipData = ClipData.newPlainText(label, text);
708 mClipBoardManager.setPrimaryClip(mClipData);
709 return true;
710 }
711 return false;
712 }
713
714 protected void registerNdefPushMessageCallback() {
715 NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
716 if (nfcAdapter != null && nfcAdapter.isEnabled()) {
717 nfcAdapter.setNdefPushMessageCallback(new NfcAdapter.CreateNdefMessageCallback() {
718 @Override
719 public NdefMessage createNdefMessage(NfcEvent nfcEvent) {
720 return new NdefMessage(new NdefRecord[]{
721 NdefRecord.createUri(getShareableUri()),
722 NdefRecord.createApplicationRecord("eu.siacs.conversations")
723 });
724 }
725 }, this);
726 }
727 }
728
729 protected void unregisterNdefPushMessageCallback() {
730 NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
731 if (nfcAdapter != null && nfcAdapter.isEnabled()) {
732 nfcAdapter.setNdefPushMessageCallback(null,this);
733 }
734 }
735
736 protected String getShareableUri() {
737 return null;
738 }
739
740 @Override
741 public void onResume() {
742 super.onResume();
743 if (this.getShareableUri()!=null) {
744 this.registerNdefPushMessageCallback();
745 }
746 }
747
748 protected int findTheme() {
749 if (getPreferences().getBoolean("use_larger_font", false)) {
750 return R.style.ConversationsTheme_LargerText;
751 } else {
752 return R.style.ConversationsTheme;
753 }
754 }
755
756 @Override
757 public void onPause() {
758 super.onPause();
759 this.unregisterNdefPushMessageCallback();
760 }
761
762 protected void showQrCode() {
763 String uri = getShareableUri();
764 if (uri!=null) {
765 Point size = new Point();
766 getWindowManager().getDefaultDisplay().getSize(size);
767 final int width = (size.x < size.y ? size.x : size.y);
768 Bitmap bitmap = createQrCodeBitmap(uri, width);
769 ImageView view = new ImageView(this);
770 view.setImageBitmap(bitmap);
771 AlertDialog.Builder builder = new AlertDialog.Builder(this);
772 builder.setView(view);
773 builder.create().show();
774 }
775 }
776
777 protected Bitmap createQrCodeBitmap(String input, int size) {
778 Log.d(Config.LOGTAG,"qr code requested size: "+size);
779 try {
780 final QRCodeWriter QR_CODE_WRITER = new QRCodeWriter();
781 final Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
782 hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
783 final BitMatrix result = QR_CODE_WRITER.encode(input, BarcodeFormat.QR_CODE, size, size, hints);
784 final int width = result.getWidth();
785 final int height = result.getHeight();
786 final int[] pixels = new int[width * height];
787 for (int y = 0; y < height; y++) {
788 final int offset = y * width;
789 for (int x = 0; x < width; x++) {
790 pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.TRANSPARENT;
791 }
792 }
793 final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
794 Log.d(Config.LOGTAG,"output size: "+width+"x"+height);
795 bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
796 return bitmap;
797 } catch (final WriterException e) {
798 return null;
799 }
800 }
801
802 public AvatarService avatarService() {
803 return xmppConnectionService.getAvatarService();
804 }
805
806 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
807 private final WeakReference<ImageView> imageViewReference;
808 private Message message = null;
809
810 public BitmapWorkerTask(ImageView imageView) {
811 imageViewReference = new WeakReference<>(imageView);
812 }
813
814 @Override
815 protected Bitmap doInBackground(Message... params) {
816 message = params[0];
817 try {
818 return xmppConnectionService.getFileBackend().getThumbnail(
819 message, (int) (metrics.density * 288), false);
820 } catch (FileNotFoundException e) {
821 return null;
822 }
823 }
824
825 @Override
826 protected void onPostExecute(Bitmap bitmap) {
827 if (bitmap != null) {
828 final ImageView imageView = imageViewReference.get();
829 if (imageView != null) {
830 imageView.setImageBitmap(bitmap);
831 imageView.setBackgroundColor(0x00000000);
832 }
833 }
834 }
835 }
836
837 public void loadBitmap(Message message, ImageView imageView) {
838 Bitmap bm;
839 try {
840 bm = xmppConnectionService.getFileBackend().getThumbnail(message,
841 (int) (metrics.density * 288), true);
842 } catch (FileNotFoundException e) {
843 bm = null;
844 }
845 if (bm != null) {
846 imageView.setImageBitmap(bm);
847 imageView.setBackgroundColor(0x00000000);
848 } else {
849 if (cancelPotentialWork(message, imageView)) {
850 imageView.setBackgroundColor(0xff333333);
851 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
852 final AsyncDrawable asyncDrawable = new AsyncDrawable(
853 getResources(), null, task);
854 imageView.setImageDrawable(asyncDrawable);
855 try {
856 task.execute(message);
857 } catch (final RejectedExecutionException ignored) {
858 }
859 }
860 }
861 }
862
863 public static boolean cancelPotentialWork(Message message,
864 ImageView imageView) {
865 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
866
867 if (bitmapWorkerTask != null) {
868 final Message oldMessage = bitmapWorkerTask.message;
869 if (oldMessage == null || message != oldMessage) {
870 bitmapWorkerTask.cancel(true);
871 } else {
872 return false;
873 }
874 }
875 return true;
876 }
877
878 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
879 if (imageView != null) {
880 final Drawable drawable = imageView.getDrawable();
881 if (drawable instanceof AsyncDrawable) {
882 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
883 return asyncDrawable.getBitmapWorkerTask();
884 }
885 }
886 return null;
887 }
888
889 static class AsyncDrawable extends BitmapDrawable {
890 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
891
892 public AsyncDrawable(Resources res, Bitmap bitmap,
893 BitmapWorkerTask bitmapWorkerTask) {
894 super(res, bitmap);
895 bitmapWorkerTaskReference = new WeakReference<>(
896 bitmapWorkerTask);
897 }
898
899 public BitmapWorkerTask getBitmapWorkerTask() {
900 return bitmapWorkerTaskReference.get();
901 }
902 }
903}