1package eu.siacs.conversations.ui;
2
3import java.io.FileNotFoundException;
4import java.lang.ref.WeakReference;
5import java.util.List;
6import java.util.concurrent.RejectedExecutionException;
7
8import eu.siacs.conversations.Config;
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.entities.Presences;
15import eu.siacs.conversations.services.XmppConnectionService;
16import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
17import eu.siacs.conversations.utils.ExceptionHelper;
18import android.app.Activity;
19import android.app.AlertDialog;
20import android.app.PendingIntent;
21import android.app.AlertDialog.Builder;
22import android.content.ComponentName;
23import android.content.Context;
24import android.content.DialogInterface;
25import android.content.SharedPreferences;
26import android.content.DialogInterface.OnClickListener;
27import android.content.IntentSender.SendIntentException;
28import android.content.pm.PackageManager;
29import android.content.pm.ResolveInfo;
30import android.content.res.Resources;
31import android.content.Intent;
32import android.content.ServiceConnection;
33import android.graphics.Bitmap;
34import android.graphics.drawable.BitmapDrawable;
35import android.graphics.drawable.Drawable;
36import android.net.Uri;
37import android.os.AsyncTask;
38import android.os.Bundle;
39import android.os.IBinder;
40import android.preference.PreferenceManager;
41import android.text.InputType;
42import android.util.DisplayMetrics;
43import android.util.Log;
44import android.view.MenuItem;
45import android.view.View;
46import android.view.inputmethod.InputMethodManager;
47import android.widget.EditText;
48import android.widget.ImageView;
49
50public abstract class XmppActivity extends Activity {
51
52 protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
53 protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
54
55 public XmppConnectionService xmppConnectionService;
56 public boolean xmppConnectionServiceBound = false;
57 protected boolean handledViewIntent = false;
58
59 protected int mPrimaryTextColor;
60 protected int mSecondaryTextColor;
61 protected int mColorRed;
62 protected int mColorOrange;
63 protected int mColorGreen;
64 protected int mPrimaryColor;
65
66 protected boolean mUseSubject = true;
67
68 private DisplayMetrics metrics;
69
70 protected interface OnValueEdited {
71 public void onValueEdited(String value);
72 }
73
74 public interface OnPresenceSelected {
75 public void onPresenceSelected();
76 }
77
78 protected ServiceConnection mConnection = new ServiceConnection() {
79
80 @Override
81 public void onServiceConnected(ComponentName className, IBinder service) {
82 XmppConnectionBinder binder = (XmppConnectionBinder) service;
83 xmppConnectionService = binder.getService();
84 xmppConnectionServiceBound = true;
85 onBackendConnected();
86 }
87
88 @Override
89 public void onServiceDisconnected(ComponentName arg0) {
90 xmppConnectionServiceBound = false;
91 }
92 };
93
94 @Override
95 protected void onStart() {
96 super.onStart();
97 if (!xmppConnectionServiceBound) {
98 connectToBackend();
99 }
100 }
101
102 public void connectToBackend() {
103 Intent intent = new Intent(this, XmppConnectionService.class);
104 intent.setAction("ui");
105 startService(intent);
106 bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
107 }
108
109 @Override
110 protected void onStop() {
111 super.onStop();
112 if (xmppConnectionServiceBound) {
113 unbindService(mConnection);
114 xmppConnectionServiceBound = false;
115 }
116 }
117
118 protected void hideKeyboard() {
119 InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
120
121 View focus = getCurrentFocus();
122
123 if (focus != null) {
124
125 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
126 InputMethodManager.HIDE_NOT_ALWAYS);
127 }
128 }
129
130 public boolean hasPgp() {
131 return xmppConnectionService.getPgpEngine() != null;
132 }
133
134 public void showInstallPgpDialog() {
135 Builder builder = new AlertDialog.Builder(this);
136 builder.setTitle(getString(R.string.openkeychain_required));
137 builder.setIconAttribute(android.R.attr.alertDialogIcon);
138 builder.setMessage(getText(R.string.openkeychain_required_long));
139 builder.setNegativeButton(getString(R.string.cancel), null);
140 builder.setNeutralButton(getString(R.string.restart),
141 new OnClickListener() {
142
143 @Override
144 public void onClick(DialogInterface dialog, int which) {
145 if (xmppConnectionServiceBound) {
146 unbindService(mConnection);
147 xmppConnectionServiceBound = false;
148 }
149 stopService(new Intent(XmppActivity.this,
150 XmppConnectionService.class));
151 finish();
152 }
153 });
154 builder.setPositiveButton(getString(R.string.install),
155 new OnClickListener() {
156
157 @Override
158 public void onClick(DialogInterface dialog, int which) {
159 Uri uri = Uri
160 .parse("market://details?id=org.sufficientlysecure.keychain");
161 Intent marketIntent = new Intent(Intent.ACTION_VIEW,
162 uri);
163 PackageManager manager = getApplicationContext()
164 .getPackageManager();
165 List<ResolveInfo> infos = manager
166 .queryIntentActivities(marketIntent, 0);
167 if (infos.size() > 0) {
168 startActivity(marketIntent);
169 } else {
170 uri = Uri.parse("http://www.openkeychain.org/");
171 Intent browserIntent = new Intent(
172 Intent.ACTION_VIEW, uri);
173 startActivity(browserIntent);
174 }
175 finish();
176 }
177 });
178 builder.create().show();
179 }
180
181 abstract void onBackendConnected();
182
183 public boolean onOptionsItemSelected(MenuItem item) {
184 switch (item.getItemId()) {
185 case R.id.action_settings:
186 startActivity(new Intent(this, SettingsActivity.class));
187 break;
188 case R.id.action_accounts:
189 startActivity(new Intent(this, ManageAccountActivity.class));
190 break;
191 case android.R.id.home:
192 finish();
193 break;
194 }
195 return super.onOptionsItemSelected(item);
196 }
197
198 @Override
199 protected void onCreate(Bundle savedInstanceState) {
200 super.onCreate(savedInstanceState);
201 metrics = getResources().getDisplayMetrics();
202 ExceptionHelper.init(getApplicationContext());
203 mPrimaryTextColor = getResources().getColor(R.color.primarytext);
204 mSecondaryTextColor = getResources().getColor(R.color.secondarytext);
205 mColorRed = getResources().getColor(R.color.red);
206 mColorOrange = getResources().getColor(R.color.orange);
207 mColorGreen = getResources().getColor(R.color.green);
208 mPrimaryColor = getResources().getColor(R.color.primary);
209 if (getPreferences().getBoolean("use_larger_font", false)) {
210 setTheme(R.style.ConversationsTheme_LargerText);
211 }
212 mUseSubject = getPreferences().getBoolean("use_subject", true);
213 }
214
215 protected SharedPreferences getPreferences() {
216 return PreferenceManager
217 .getDefaultSharedPreferences(getApplicationContext());
218 }
219
220 public boolean useSubjectToIdentifyConference() {
221 return mUseSubject;
222 }
223
224 public void switchToConversation(Conversation conversation) {
225 switchToConversation(conversation, null, false);
226 }
227
228 public void switchToConversation(Conversation conversation, String text,
229 boolean newTask) {
230 Intent viewConversationIntent = new Intent(this,
231 ConversationActivity.class);
232 viewConversationIntent.setAction(Intent.ACTION_VIEW);
233 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
234 conversation.getUuid());
235 if (text != null) {
236 viewConversationIntent.putExtra(ConversationActivity.TEXT, text);
237 }
238 viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
239 if (newTask) {
240 viewConversationIntent.setFlags(viewConversationIntent.getFlags()
241 | Intent.FLAG_ACTIVITY_NEW_TASK
242 | Intent.FLAG_ACTIVITY_SINGLE_TOP);
243 } else {
244 viewConversationIntent.setFlags(viewConversationIntent.getFlags()
245 | Intent.FLAG_ACTIVITY_CLEAR_TOP);
246 }
247 startActivity(viewConversationIntent);
248 }
249
250 public void switchToContactDetails(Contact contact) {
251 Intent intent = new Intent(this, ContactDetailsActivity.class);
252 intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
253 intent.putExtra("account", contact.getAccount().getJid());
254 intent.putExtra("contact", contact.getJid());
255 startActivity(intent);
256 }
257
258 public void switchToAccount(Account account) {
259 Intent intent = new Intent(this, EditAccountActivity.class);
260 intent.putExtra("jid", account.getJid());
261 startActivity(intent);
262 }
263
264 protected void inviteToConversation(Conversation conversation) {
265 Intent intent = new Intent(getApplicationContext(),
266 ChooseContactActivity.class);
267 intent.putExtra("conversation", conversation.getUuid());
268 startActivityForResult(intent, REQUEST_INVITE_TO_CONVERSATION);
269 }
270
271 protected void announcePgp(Account account, final Conversation conversation) {
272 xmppConnectionService.getPgpEngine().generateSignature(account,
273 "online", new UiCallback<Account>() {
274
275 @Override
276 public void userInputRequried(PendingIntent pi,
277 Account account) {
278 try {
279 startIntentSenderForResult(pi.getIntentSender(),
280 REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
281 } catch (SendIntentException e) {
282 }
283 }
284
285 @Override
286 public void success(Account account) {
287 xmppConnectionService.databaseBackend
288 .updateAccount(account);
289 xmppConnectionService.sendPresencePacket(account,
290 xmppConnectionService.getPresenceGenerator()
291 .sendPresence(account));
292 if (conversation != null) {
293 conversation
294 .setNextEncryption(Message.ENCRYPTION_PGP);
295 }
296 }
297
298 @Override
299 public void error(int error, Account account) {
300 displayErrorDialog(error);
301 }
302 });
303 }
304
305 protected void displayErrorDialog(final int errorCode) {
306 runOnUiThread(new Runnable() {
307
308 @Override
309 public void run() {
310 AlertDialog.Builder builder = new AlertDialog.Builder(
311 XmppActivity.this);
312 builder.setIconAttribute(android.R.attr.alertDialogIcon);
313 builder.setTitle(getString(R.string.error));
314 builder.setMessage(errorCode);
315 builder.setNeutralButton(R.string.accept, null);
316 builder.create().show();
317 }
318 });
319
320 }
321
322 protected void showAddToRosterDialog(final Conversation conversation) {
323 String jid = conversation.getContactJid();
324 AlertDialog.Builder builder = new AlertDialog.Builder(this);
325 builder.setTitle(jid);
326 builder.setMessage(getString(R.string.not_in_roster));
327 builder.setNegativeButton(getString(R.string.cancel), null);
328 builder.setPositiveButton(getString(R.string.add_contact),
329 new DialogInterface.OnClickListener() {
330
331 @Override
332 public void onClick(DialogInterface dialog, int which) {
333 String jid = conversation.getContactJid();
334 Account account = conversation.getAccount();
335 Contact contact = account.getRoster().getContact(jid);
336 xmppConnectionService.createContact(contact);
337 switchToContactDetails(contact);
338 }
339 });
340 builder.create().show();
341 }
342
343 private void showAskForPresenceDialog(final Contact contact) {
344 AlertDialog.Builder builder = new AlertDialog.Builder(this);
345 builder.setTitle(contact.getJid());
346 builder.setMessage(R.string.request_presence_updates);
347 builder.setNegativeButton(R.string.cancel, null);
348 builder.setPositiveButton(R.string.request_now,
349 new DialogInterface.OnClickListener() {
350
351 @Override
352 public void onClick(DialogInterface dialog, int which) {
353 if (xmppConnectionServiceBound) {
354 xmppConnectionService.sendPresencePacket(contact
355 .getAccount(), xmppConnectionService
356 .getPresenceGenerator()
357 .requestPresenceUpdatesFrom(contact));
358 }
359 }
360 });
361 builder.create().show();
362 }
363
364 private void warnMutalPresenceSubscription(final Conversation conversation,
365 final OnPresenceSelected listener) {
366 AlertDialog.Builder builder = new AlertDialog.Builder(this);
367 builder.setTitle(conversation.getContact().getJid());
368 builder.setMessage(R.string.without_mutual_presence_updates);
369 builder.setNegativeButton(R.string.cancel, null);
370 builder.setPositiveButton(R.string.ignore, new OnClickListener() {
371
372 @Override
373 public void onClick(DialogInterface dialog, int which) {
374 conversation.setNextPresence(null);
375 if (listener != null) {
376 listener.onPresenceSelected();
377 }
378 }
379 });
380 builder.create().show();
381 }
382
383 protected void quickEdit(String previousValue, OnValueEdited callback) {
384 quickEdit(previousValue, callback, false);
385 }
386
387 protected void quickPasswordEdit(String previousValue,
388 OnValueEdited callback) {
389 quickEdit(previousValue, callback, true);
390 }
391
392 private void quickEdit(final String previousValue,
393 final OnValueEdited callback, boolean password) {
394 AlertDialog.Builder builder = new AlertDialog.Builder(this);
395 View view = (View) getLayoutInflater()
396 .inflate(R.layout.quickedit, null);
397 final EditText editor = (EditText) view.findViewById(R.id.editor);
398 OnClickListener mClickListener = new OnClickListener() {
399
400 @Override
401 public void onClick(DialogInterface dialog, int which) {
402 String value = editor.getText().toString();
403 if (!previousValue.equals(value) && value.trim().length() > 0) {
404 callback.onValueEdited(value);
405 }
406 }
407 };
408 if (password) {
409 editor.setInputType(InputType.TYPE_CLASS_TEXT
410 | InputType.TYPE_TEXT_VARIATION_PASSWORD);
411 editor.setHint(R.string.password);
412 builder.setPositiveButton(R.string.accept, mClickListener);
413 } else {
414 builder.setPositiveButton(R.string.edit, mClickListener);
415 }
416 editor.requestFocus();
417 editor.setText(previousValue);
418 builder.setView(view);
419 builder.setNegativeButton(R.string.cancel, null);
420 builder.create().show();
421 }
422
423 public void selectPresence(final Conversation conversation,
424 final OnPresenceSelected listener) {
425 Contact contact = conversation.getContact();
426 if (!contact.showInRoster()) {
427 showAddToRosterDialog(conversation);
428 } else {
429 Presences presences = contact.getPresences();
430 if (presences.size() == 0) {
431 if (!contact.getOption(Contact.Options.TO)
432 && !contact.getOption(Contact.Options.ASKING)
433 && contact.getAccount().getStatus() == Account.STATUS_ONLINE) {
434 showAskForPresenceDialog(contact);
435 } else if (!contact.getOption(Contact.Options.TO)
436 || !contact.getOption(Contact.Options.FROM)) {
437 warnMutalPresenceSubscription(conversation, listener);
438 } else {
439 conversation.setNextPresence(null);
440 listener.onPresenceSelected();
441 }
442 } else if (presences.size() == 1) {
443 String presence = (String) presences.asStringArray()[0];
444 conversation.setNextPresence(presence);
445 listener.onPresenceSelected();
446 } else {
447 final StringBuilder presence = new StringBuilder();
448 AlertDialog.Builder builder = new AlertDialog.Builder(this);
449 builder.setTitle(getString(R.string.choose_presence));
450 final String[] presencesArray = presences.asStringArray();
451 int preselectedPresence = 0;
452 for (int i = 0; i < presencesArray.length; ++i) {
453 if (presencesArray[i].equals(contact.lastseen.presence)) {
454 preselectedPresence = i;
455 break;
456 }
457 }
458 presence.append(presencesArray[preselectedPresence]);
459 builder.setSingleChoiceItems(presencesArray,
460 preselectedPresence,
461 new DialogInterface.OnClickListener() {
462
463 @Override
464 public void onClick(DialogInterface dialog,
465 int which) {
466 presence.delete(0, presence.length());
467 presence.append(presencesArray[which]);
468 }
469 });
470 builder.setNegativeButton(R.string.cancel, null);
471 builder.setPositiveButton(R.string.ok, new OnClickListener() {
472
473 @Override
474 public void onClick(DialogInterface dialog, int which) {
475 conversation.setNextPresence(presence.toString());
476 listener.onPresenceSelected();
477 }
478 });
479 builder.create().show();
480 }
481 }
482 }
483
484 protected void onActivityResult(int requestCode, int resultCode,
485 final Intent data) {
486 super.onActivityResult(requestCode, resultCode, data);
487 if (requestCode == REQUEST_INVITE_TO_CONVERSATION
488 && resultCode == RESULT_OK) {
489 String contactJid = data.getStringExtra("contact");
490 String conversationUuid = data.getStringExtra("conversation");
491 Conversation conversation = xmppConnectionService
492 .findConversationByUuid(conversationUuid);
493 if (conversation.getMode() == Conversation.MODE_MULTI) {
494 xmppConnectionService.invite(conversation, contactJid);
495 }
496 Log.d(Config.LOGTAG, "inviting " + contactJid + " to "
497 + conversation.getName());
498 }
499 }
500
501 public int getSecondaryTextColor() {
502 return this.mSecondaryTextColor;
503 }
504
505 public int getPrimaryTextColor() {
506 return this.mPrimaryTextColor;
507 }
508
509 public int getWarningTextColor() {
510 return this.mColorRed;
511 }
512
513 public int getPrimaryColor() {
514 return this.mPrimaryColor;
515 }
516
517 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
518 private final WeakReference<ImageView> imageViewReference;
519 private Message message = null;
520
521 public BitmapWorkerTask(ImageView imageView) {
522 imageViewReference = new WeakReference<ImageView>(imageView);
523 }
524
525 @Override
526 protected Bitmap doInBackground(Message... params) {
527 message = params[0];
528 try {
529 return xmppConnectionService.getFileBackend().getThumbnail(
530 message, (int) (metrics.density * 288), false);
531 } catch (FileNotFoundException e) {
532 return null;
533 }
534 }
535
536 @Override
537 protected void onPostExecute(Bitmap bitmap) {
538 if (imageViewReference != null && bitmap != null) {
539 final ImageView imageView = imageViewReference.get();
540 if (imageView != null) {
541 imageView.setImageBitmap(bitmap);
542 imageView.setBackgroundColor(0x00000000);
543 }
544 }
545 }
546 }
547
548 public void loadBitmap(Message message, ImageView imageView) {
549 Bitmap bm;
550 try {
551 bm = xmppConnectionService.getFileBackend().getThumbnail(message,
552 (int) (metrics.density * 288), true);
553 } catch (FileNotFoundException e) {
554 bm = null;
555 }
556 if (bm != null) {
557 imageView.setImageBitmap(bm);
558 imageView.setBackgroundColor(0x00000000);
559 } else {
560 if (cancelPotentialWork(message, imageView)) {
561 imageView.setBackgroundColor(0xff333333);
562 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
563 final AsyncDrawable asyncDrawable = new AsyncDrawable(
564 getResources(), null, task);
565 imageView.setImageDrawable(asyncDrawable);
566 try {
567 task.execute(message);
568 } catch (RejectedExecutionException e) {
569 return;
570 }
571 }
572 }
573 }
574
575 public static boolean cancelPotentialWork(Message message,
576 ImageView imageView) {
577 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
578
579 if (bitmapWorkerTask != null) {
580 final Message oldMessage = bitmapWorkerTask.message;
581 if (oldMessage == null || message != oldMessage) {
582 bitmapWorkerTask.cancel(true);
583 } else {
584 return false;
585 }
586 }
587 return true;
588 }
589
590 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
591 if (imageView != null) {
592 final Drawable drawable = imageView.getDrawable();
593 if (drawable instanceof AsyncDrawable) {
594 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
595 return asyncDrawable.getBitmapWorkerTask();
596 }
597 }
598 return null;
599 }
600
601 static class AsyncDrawable extends BitmapDrawable {
602 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
603
604 public AsyncDrawable(Resources res, Bitmap bitmap,
605 BitmapWorkerTask bitmapWorkerTask) {
606 super(res, bitmap);
607 bitmapWorkerTaskReference = new WeakReference<BitmapWorkerTask>(
608 bitmapWorkerTask);
609 }
610
611 public BitmapWorkerTask getBitmapWorkerTask() {
612 return bitmapWorkerTaskReference.get();
613 }
614 }
615}