1package eu.siacs.conversations.ui;
2
3import java.io.FileNotFoundException;
4import java.lang.ref.WeakReference;
5import java.util.concurrent.RejectedExecutionException;
6
7import eu.siacs.conversations.Config;
8import eu.siacs.conversations.R;
9import eu.siacs.conversations.entities.Account;
10import eu.siacs.conversations.entities.Contact;
11import eu.siacs.conversations.entities.Conversation;
12import eu.siacs.conversations.entities.Message;
13import eu.siacs.conversations.entities.Presences;
14import eu.siacs.conversations.services.XmppConnectionService;
15import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
16import eu.siacs.conversations.utils.ExceptionHelper;
17import android.app.Activity;
18import android.app.AlertDialog;
19import android.app.PendingIntent;
20import android.app.AlertDialog.Builder;
21import android.content.ComponentName;
22import android.content.Context;
23import android.content.DialogInterface;
24import android.content.DialogInterface.OnClickListener;
25import android.content.IntentSender.SendIntentException;
26import android.content.res.Resources;
27import android.content.Intent;
28import android.content.ServiceConnection;
29import android.graphics.Bitmap;
30import android.graphics.drawable.BitmapDrawable;
31import android.graphics.drawable.Drawable;
32import android.net.Uri;
33import android.os.AsyncTask;
34import android.os.Bundle;
35import android.os.IBinder;
36import android.text.InputType;
37import android.util.DisplayMetrics;
38import android.util.Log;
39import android.view.Gravity;
40import android.view.MenuItem;
41import android.view.View;
42import android.view.inputmethod.InputMethodManager;
43import android.widget.EditText;
44import android.widget.ImageView;
45import android.widget.Toast;
46
47public abstract class XmppActivity extends Activity {
48
49 protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
50 protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
51
52 public XmppConnectionService xmppConnectionService;
53 public boolean xmppConnectionServiceBound = false;
54 protected boolean handledViewIntent = false;
55
56 protected int mPrimaryTextColor;
57 protected int mSecondaryTextColor;
58 protected int mWarningTextColor;
59 protected int mPrimaryColor;
60
61 private DisplayMetrics metrics;
62
63 protected interface OnValueEdited {
64 public void onValueEdited(String value);
65 }
66
67 public interface OnPresenceSelected {
68 public void onPresenceSelected();
69 }
70
71 protected ServiceConnection mConnection = new ServiceConnection() {
72
73 @Override
74 public void onServiceConnected(ComponentName className, IBinder service) {
75 XmppConnectionBinder binder = (XmppConnectionBinder) service;
76 xmppConnectionService = binder.getService();
77 xmppConnectionServiceBound = true;
78 onBackendConnected();
79 }
80
81 @Override
82 public void onServiceDisconnected(ComponentName arg0) {
83 xmppConnectionServiceBound = false;
84 }
85 };
86
87 @Override
88 protected void onStart() {
89 super.onStart();
90 if (!xmppConnectionServiceBound) {
91 connectToBackend();
92 }
93 }
94
95 public void connectToBackend() {
96 Intent intent = new Intent(this, XmppConnectionService.class);
97 intent.setAction("ui");
98 startService(intent);
99 bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
100 }
101
102 @Override
103 protected void onStop() {
104 super.onStop();
105 if (xmppConnectionServiceBound) {
106 unbindService(mConnection);
107 xmppConnectionServiceBound = false;
108 }
109 }
110
111 protected void hideKeyboard() {
112 InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
113
114 View focus = getCurrentFocus();
115
116 if (focus != null) {
117
118 inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
119 InputMethodManager.HIDE_NOT_ALWAYS);
120 }
121 }
122
123 public boolean hasPgp() {
124 return xmppConnectionService.getPgpEngine() != null;
125 }
126
127 public void showInstallPgpDialog() {
128 Builder builder = new AlertDialog.Builder(this);
129 builder.setTitle(getString(R.string.openkeychain_required));
130 builder.setIconAttribute(android.R.attr.alertDialogIcon);
131 builder.setMessage(getText(R.string.openkeychain_required_long));
132 builder.setNegativeButton(getString(R.string.cancel), null);
133 builder.setNeutralButton(getString(R.string.restart),
134 new OnClickListener() {
135
136 @Override
137 public void onClick(DialogInterface dialog, int which) {
138 if (xmppConnectionServiceBound) {
139 unbindService(mConnection);
140 xmppConnectionServiceBound = false;
141 }
142 stopService(new Intent(XmppActivity.this,
143 XmppConnectionService.class));
144 finish();
145 }
146 });
147 builder.setPositiveButton(getString(R.string.install),
148 new OnClickListener() {
149
150 @Override
151 public void onClick(DialogInterface dialog, int which) {
152 Uri uri = Uri
153 .parse("market://details?id=org.sufficientlysecure.keychain");
154 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
155 startActivity(intent);
156 finish();
157 }
158 });
159 builder.create().show();
160 }
161
162 abstract void onBackendConnected();
163
164 public boolean onOptionsItemSelected(MenuItem item) {
165 switch (item.getItemId()) {
166 case R.id.action_settings:
167 startActivity(new Intent(this, SettingsActivity.class));
168 break;
169 case R.id.action_accounts:
170 startActivity(new Intent(this, ManageAccountActivity.class));
171 break;
172 case android.R.id.home:
173 finish();
174 break;
175 }
176 return super.onOptionsItemSelected(item);
177 }
178
179 @Override
180 protected void onCreate(Bundle savedInstanceState) {
181 super.onCreate(savedInstanceState);
182 metrics = getResources().getDisplayMetrics();
183 ExceptionHelper.init(getApplicationContext());
184 mPrimaryTextColor = getResources().getColor(R.color.primarytext);
185 mSecondaryTextColor = getResources().getColor(R.color.secondarytext);
186 mWarningTextColor = getResources().getColor(R.color.warningtext);
187 mPrimaryColor = getResources().getColor(R.color.primary);
188 }
189
190 public void switchToConversation(Conversation conversation) {
191 switchToConversation(conversation, null, false);
192 }
193
194 public void switchToConversation(Conversation conversation, String text,
195 boolean newTask) {
196 Intent viewConversationIntent = new Intent(this,
197 ConversationActivity.class);
198 viewConversationIntent.setAction(Intent.ACTION_VIEW);
199 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
200 conversation.getUuid());
201 if (text != null) {
202 viewConversationIntent.putExtra(ConversationActivity.TEXT, text);
203 }
204 viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
205 if (newTask) {
206 viewConversationIntent.setFlags(viewConversationIntent.getFlags()
207 | Intent.FLAG_ACTIVITY_NEW_TASK
208 | Intent.FLAG_ACTIVITY_SINGLE_TOP);
209 } else {
210 viewConversationIntent.setFlags(viewConversationIntent.getFlags()
211 | Intent.FLAG_ACTIVITY_CLEAR_TOP);
212 }
213 startActivity(viewConversationIntent);
214 }
215
216 public void switchToContactDetails(Contact contact) {
217 Intent intent = new Intent(this, ContactDetailsActivity.class);
218 intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
219 intent.putExtra("account", contact.getAccount().getJid());
220 intent.putExtra("contact", contact.getJid());
221 startActivity(intent);
222 }
223
224 protected void inviteToConversation(Conversation conversation) {
225 Intent intent = new Intent(getApplicationContext(),
226 ChooseContactActivity.class);
227 intent.putExtra("conversation", conversation.getUuid());
228 startActivityForResult(intent, REQUEST_INVITE_TO_CONVERSATION);
229 }
230
231 protected void announcePgp(Account account, final Conversation conversation) {
232 xmppConnectionService.getPgpEngine().generateSignature(account,
233 "online", new UiCallback<Account>() {
234
235 @Override
236 public void userInputRequried(PendingIntent pi,
237 Account account) {
238 try {
239 startIntentSenderForResult(pi.getIntentSender(),
240 REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
241 } catch (SendIntentException e) {
242 }
243 }
244
245 @Override
246 public void success(Account account) {
247 xmppConnectionService.databaseBackend
248 .updateAccount(account);
249 xmppConnectionService.sendPresencePacket(account,
250 xmppConnectionService.getPresenceGenerator()
251 .sendPresence(account));
252 if (conversation != null) {
253 conversation
254 .setNextEncryption(Message.ENCRYPTION_PGP);
255 }
256 }
257
258 @Override
259 public void error(int error, Account account) {
260 displayErrorDialog(error);
261 }
262 });
263 }
264
265 protected void displayErrorDialog(final int errorCode) {
266 runOnUiThread(new Runnable() {
267
268 @Override
269 public void run() {
270 AlertDialog.Builder builder = new AlertDialog.Builder(
271 XmppActivity.this);
272 builder.setIconAttribute(android.R.attr.alertDialogIcon);
273 builder.setTitle(getString(R.string.error));
274 builder.setMessage(errorCode);
275 builder.setNeutralButton(R.string.accept, null);
276 builder.create().show();
277 }
278 });
279
280 }
281
282 protected void showAddToRosterDialog(final Conversation conversation) {
283 String jid = conversation.getContactJid();
284 AlertDialog.Builder builder = new AlertDialog.Builder(this);
285 builder.setTitle(jid);
286 builder.setMessage(getString(R.string.not_in_roster));
287 builder.setNegativeButton(getString(R.string.cancel), null);
288 builder.setPositiveButton(getString(R.string.add_contact),
289 new DialogInterface.OnClickListener() {
290
291 @Override
292 public void onClick(DialogInterface dialog, int which) {
293 String jid = conversation.getContactJid();
294 Account account = conversation.getAccount();
295 Contact contact = account.getRoster().getContact(jid);
296 xmppConnectionService.createContact(contact);
297 switchToContactDetails(contact);
298 }
299 });
300 builder.create().show();
301 }
302
303 private void showAskForPresenceDialog(final Contact contact) {
304 AlertDialog.Builder builder = new AlertDialog.Builder(this);
305 builder.setTitle(contact.getJid());
306 builder.setMessage(R.string.request_presence_updates);
307 builder.setNegativeButton(getString(R.string.cancel), null);
308 builder.setPositiveButton(getString(R.string.request_now),
309 new DialogInterface.OnClickListener() {
310
311 @Override
312 public void onClick(DialogInterface dialog, int which) {
313 if (xmppConnectionServiceBound) {
314 xmppConnectionService.sendPresencePacket(contact.getAccount(),
315 xmppConnectionService.getPresenceGenerator()
316 .requestPresenceUpdatesFrom(contact));
317 }
318 }
319 });
320 builder.create().show();
321 }
322
323 protected void quickEdit(String previousValue, OnValueEdited callback) {
324 quickEdit(previousValue, callback, false);
325 }
326
327 protected void quickPasswordEdit(String previousValue,
328 OnValueEdited callback) {
329 quickEdit(previousValue, callback, true);
330 }
331
332 private void quickEdit(final String previousValue,
333 final OnValueEdited callback, boolean password) {
334 AlertDialog.Builder builder = new AlertDialog.Builder(this);
335 View view = (View) getLayoutInflater()
336 .inflate(R.layout.quickedit, null);
337 final EditText editor = (EditText) view.findViewById(R.id.editor);
338 OnClickListener mClickListener = new OnClickListener() {
339
340 @Override
341 public void onClick(DialogInterface dialog, int which) {
342 String value = editor.getText().toString();
343 if (!previousValue.equals(value) && value.trim().length() > 0) {
344 callback.onValueEdited(value);
345 }
346 }
347 };
348 if (password) {
349 editor.setInputType(InputType.TYPE_CLASS_TEXT
350 | InputType.TYPE_TEXT_VARIATION_PASSWORD);
351 editor.setHint(R.string.password);
352 builder.setPositiveButton(R.string.accept, mClickListener);
353 } else {
354 builder.setPositiveButton(R.string.edit, mClickListener);
355 }
356 editor.requestFocus();
357 editor.setText(previousValue);
358 builder.setView(view);
359 builder.setNegativeButton(R.string.cancel, null);
360 builder.create().show();
361 }
362
363 public void selectPresence(final Conversation conversation,
364 final OnPresenceSelected listener) {
365 Contact contact = conversation.getContact();
366 if (!contact.showInRoster()) {
367 showAddToRosterDialog(conversation);
368 } else {
369 Presences presences = contact.getPresences();
370 if (presences.size() == 0) {
371 if (!contact.getOption(Contact.Options.TO)
372 && !contact.getOption(Contact.Options.ASKING)
373 && contact.getAccount().getStatus() == Account.STATUS_ONLINE) {
374 showAskForPresenceDialog(contact);
375 return;
376 } else if (!contact.getOption(Contact.Options.TO)) {
377 Toast toast = Toast.makeText(this,
378 R.string.missing_presence_updates,
379 Toast.LENGTH_LONG);
380 toast.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
381 toast.show();
382 }
383 conversation.setNextPresence(null);
384 listener.onPresenceSelected();
385 } else if (presences.size() == 1) {
386 String presence = (String) presences.asStringArray()[0];
387 conversation.setNextPresence(presence);
388 listener.onPresenceSelected();
389 } else {
390 final StringBuilder presence = new StringBuilder();
391 AlertDialog.Builder builder = new AlertDialog.Builder(this);
392 builder.setTitle(getString(R.string.choose_presence));
393 final String[] presencesArray = presences.asStringArray();
394 int preselectedPresence = 0;
395 for (int i = 0; i < presencesArray.length; ++i) {
396 if (presencesArray[i].equals(contact.lastseen.presence)) {
397 preselectedPresence = i;
398 break;
399 }
400 }
401 presence.append(presencesArray[preselectedPresence]);
402 builder.setSingleChoiceItems(presencesArray,
403 preselectedPresence,
404 new DialogInterface.OnClickListener() {
405
406 @Override
407 public void onClick(DialogInterface dialog,
408 int which) {
409 presence.delete(0, presence.length());
410 presence.append(presencesArray[which]);
411 }
412 });
413 builder.setNegativeButton(R.string.cancel, null);
414 builder.setPositiveButton(R.string.ok, new OnClickListener() {
415
416 @Override
417 public void onClick(DialogInterface dialog, int which) {
418 conversation.setNextPresence(presence.toString());
419 listener.onPresenceSelected();
420 }
421 });
422 builder.create().show();
423 }
424 }
425 }
426
427 protected void onActivityResult(int requestCode, int resultCode,
428 final Intent data) {
429 super.onActivityResult(requestCode, resultCode, data);
430 if (requestCode == REQUEST_INVITE_TO_CONVERSATION
431 && resultCode == RESULT_OK) {
432 String contactJid = data.getStringExtra("contact");
433 String conversationUuid = data.getStringExtra("conversation");
434 Conversation conversation = xmppConnectionService
435 .findConversationByUuid(conversationUuid);
436 if (conversation.getMode() == Conversation.MODE_MULTI) {
437 xmppConnectionService.invite(conversation, contactJid);
438 }
439 Log.d(Config.LOGTAG, "inviting " + contactJid + " to "
440 + conversation.getName());
441 }
442 }
443
444 public int getSecondaryTextColor() {
445 return this.mSecondaryTextColor;
446 }
447
448 public int getPrimaryTextColor() {
449 return this.mPrimaryTextColor;
450 }
451
452 public int getWarningTextColor() {
453 return this.mWarningTextColor;
454 }
455
456 public int getPrimaryColor() {
457 return this.mPrimaryColor;
458 }
459
460 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
461 private final WeakReference<ImageView> imageViewReference;
462 private Message message = null;
463
464 public BitmapWorkerTask(ImageView imageView) {
465 imageViewReference = new WeakReference<ImageView>(imageView);
466 }
467
468 @Override
469 protected Bitmap doInBackground(Message... params) {
470 message = params[0];
471 try {
472 return xmppConnectionService.getFileBackend().getThumbnail(
473 message, (int) (metrics.density * 288), false);
474 } catch (FileNotFoundException e) {
475 return null;
476 }
477 }
478
479 @Override
480 protected void onPostExecute(Bitmap bitmap) {
481 if (imageViewReference != null && bitmap != null) {
482 final ImageView imageView = imageViewReference.get();
483 if (imageView != null) {
484 imageView.setImageBitmap(bitmap);
485 imageView.setBackgroundColor(0x00000000);
486 }
487 }
488 }
489 }
490
491 public void loadBitmap(Message message, ImageView imageView) {
492 Bitmap bm;
493 try {
494 bm = xmppConnectionService.getFileBackend().getThumbnail(message,
495 (int) (metrics.density * 288), true);
496 } catch (FileNotFoundException e) {
497 bm = null;
498 }
499 if (bm != null) {
500 imageView.setImageBitmap(bm);
501 imageView.setBackgroundColor(0x00000000);
502 } else {
503 if (cancelPotentialWork(message, imageView)) {
504 imageView.setBackgroundColor(0xff333333);
505 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
506 final AsyncDrawable asyncDrawable = new AsyncDrawable(
507 getResources(), null, task);
508 imageView.setImageDrawable(asyncDrawable);
509 try {
510 task.execute(message);
511 } catch (RejectedExecutionException e) {
512 return;
513 }
514 }
515 }
516 }
517
518 public static boolean cancelPotentialWork(Message message,
519 ImageView imageView) {
520 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
521
522 if (bitmapWorkerTask != null) {
523 final Message oldMessage = bitmapWorkerTask.message;
524 if (oldMessage == null || message != oldMessage) {
525 bitmapWorkerTask.cancel(true);
526 } else {
527 return false;
528 }
529 }
530 return true;
531 }
532
533 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
534 if (imageView != null) {
535 final Drawable drawable = imageView.getDrawable();
536 if (drawable instanceof AsyncDrawable) {
537 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
538 return asyncDrawable.getBitmapWorkerTask();
539 }
540 }
541 return null;
542 }
543
544 static class AsyncDrawable extends BitmapDrawable {
545 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
546
547 public AsyncDrawable(Resources res, Bitmap bitmap,
548 BitmapWorkerTask bitmapWorkerTask) {
549 super(res, bitmap);
550 bitmapWorkerTaskReference = new WeakReference<BitmapWorkerTask>(
551 bitmapWorkerTask);
552 }
553
554 public BitmapWorkerTask getBitmapWorkerTask() {
555 return bitmapWorkerTaskReference.get();
556 }
557 }
558}