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