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