1package eu.siacs.conversations.ui.adapter;
2
3import android.content.ActivityNotFoundException;
4import android.content.Intent;
5import android.content.pm.PackageManager;
6import android.content.pm.ResolveInfo;
7import android.content.res.Resources;
8import android.graphics.Bitmap;
9import android.graphics.Typeface;
10import android.graphics.drawable.BitmapDrawable;
11import android.graphics.drawable.Drawable;
12import android.net.Uri;
13import android.os.AsyncTask;
14import android.text.Spannable;
15import android.text.SpannableString;
16import android.text.Spanned;
17import android.text.style.ForegroundColorSpan;
18import android.text.style.RelativeSizeSpan;
19import android.text.style.StyleSpan;
20import android.util.DisplayMetrics;
21import android.util.Patterns;
22import android.view.View;
23import android.view.View.OnClickListener;
24import android.view.View.OnLongClickListener;
25import android.view.ViewGroup;
26import android.widget.ArrayAdapter;
27import android.widget.Button;
28import android.widget.ImageView;
29import android.widget.LinearLayout;
30import android.widget.TextView;
31import android.widget.Toast;
32
33import java.lang.ref.WeakReference;
34import java.util.List;
35import java.util.concurrent.RejectedExecutionException;
36import java.util.regex.Matcher;
37
38import eu.siacs.conversations.R;
39import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
40import eu.siacs.conversations.entities.Account;
41import eu.siacs.conversations.entities.Conversation;
42import eu.siacs.conversations.entities.DownloadableFile;
43import eu.siacs.conversations.entities.Message;
44import eu.siacs.conversations.entities.Message.FileParams;
45import eu.siacs.conversations.entities.Transferable;
46import eu.siacs.conversations.ui.ConversationActivity;
47import eu.siacs.conversations.utils.CryptoHelper;
48import eu.siacs.conversations.utils.GeoHelper;
49import eu.siacs.conversations.utils.UIHelper;
50
51public class MessageAdapter extends ArrayAdapter<Message> {
52
53 private static final int SENT = 0;
54 private static final int RECEIVED = 1;
55 private static final int STATUS = 2;
56
57 private ConversationActivity activity;
58
59 private DisplayMetrics metrics;
60
61 private OnContactPictureClicked mOnContactPictureClickedListener;
62 private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
63
64 private OnLongClickListener openContextMenu = new OnLongClickListener() {
65
66 @Override
67 public boolean onLongClick(View v) {
68 v.showContextMenu();
69 return true;
70 }
71 };
72 private boolean mIndicateReceived = false;
73 private boolean mUseWhiteBackground = false;
74
75 public MessageAdapter(ConversationActivity activity, List<Message> messages) {
76 super(activity, 0, messages);
77 this.activity = activity;
78 metrics = getContext().getResources().getDisplayMetrics();
79 updatePreferences();
80 }
81
82 public void setOnContactPictureClicked(OnContactPictureClicked listener) {
83 this.mOnContactPictureClickedListener = listener;
84 }
85
86 public void setOnContactPictureLongClicked(
87 OnContactPictureLongClicked listener) {
88 this.mOnContactPictureLongClickedListener = listener;
89 }
90
91 @Override
92 public int getViewTypeCount() {
93 return 3;
94 }
95
96 public int getItemViewType(Message message) {
97 if (message.getType() == Message.TYPE_STATUS) {
98 return STATUS;
99 } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
100 return RECEIVED;
101 }
102
103 return SENT;
104 }
105
106 @Override
107 public int getItemViewType(int position) {
108 return this.getItemViewType(getItem(position));
109 }
110
111 private int getMessageTextColor(boolean onDark, boolean primary) {
112 if (onDark) {
113 return activity.getResources().getColor(primary ? R.color.white : R.color.white70);
114 } else {
115 return activity.getResources().getColor(primary ? R.color.black87 : R.color.black54);
116 }
117 }
118
119 private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
120 String filesize = null;
121 String info = null;
122 boolean error = false;
123 if (viewHolder.indicatorReceived != null) {
124 viewHolder.indicatorReceived.setVisibility(View.GONE);
125 }
126 boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
127 && message.getMergedStatus() <= Message.STATUS_RECEIVED;
128 if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getTransferable() != null) {
129 FileParams params = message.getFileParams();
130 if (params.size > (1.5 * 1024 * 1024)) {
131 filesize = params.size / (1024 * 1024)+ " MiB";
132 } else if (params.size > 0) {
133 filesize = params.size / 1024 + " KiB";
134 }
135 if (message.getTransferable() != null && message.getTransferable().getStatus() == Transferable.STATUS_FAILED) {
136 error = true;
137 }
138 }
139 switch (message.getMergedStatus()) {
140 case Message.STATUS_WAITING:
141 info = getContext().getString(R.string.waiting);
142 break;
143 case Message.STATUS_UNSEND:
144 Transferable d = message.getTransferable();
145 if (d!=null) {
146 info = getContext().getString(R.string.sending_file,d.getProgress());
147 } else {
148 info = getContext().getString(R.string.sending);
149 }
150 break;
151 case Message.STATUS_OFFERED:
152 info = getContext().getString(R.string.offering);
153 break;
154 case Message.STATUS_SEND_RECEIVED:
155 if (mIndicateReceived) {
156 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
157 }
158 break;
159 case Message.STATUS_SEND_DISPLAYED:
160 if (mIndicateReceived) {
161 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
162 }
163 break;
164 case Message.STATUS_SEND_FAILED:
165 info = getContext().getString(R.string.send_failed);
166 error = true;
167 break;
168 default:
169 if (multiReceived) {
170 info = UIHelper.getMessageDisplayName(message);
171 }
172 break;
173 }
174 if (error && type == SENT) {
175 viewHolder.time.setTextColor(activity.getWarningTextColor());
176 } else {
177 viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground,false));
178 }
179 if (message.getEncryption() == Message.ENCRYPTION_NONE) {
180 viewHolder.indicator.setVisibility(View.GONE);
181 } else {
182 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_secure_indicator_white : R.drawable.ic_secure_indicator);
183 viewHolder.indicator.setVisibility(View.VISIBLE);
184 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
185 XmppAxolotlSession.Trust trust = message.getConversation()
186 .getAccount().getAxolotlService().getFingerprintTrust(
187 message.getAxolotlFingerprint());
188
189 if(trust == null || (!trust.trusted() && !trust.trustedInactive())) {
190 viewHolder.indicator.setColorFilter(activity.getWarningTextColor());
191 viewHolder.indicator.setAlpha(1.0f);
192 } else {
193 viewHolder.indicator.clearColorFilter();
194 if (darkBackground) {
195 viewHolder.indicator.setAlpha(0.7f);
196 } else {
197 viewHolder.indicator.setAlpha(0.57f);
198 }
199 }
200 } else {
201 viewHolder.indicator.clearColorFilter();
202 if (darkBackground) {
203 viewHolder.indicator.setAlpha(0.7f);
204 } else {
205 viewHolder.indicator.setAlpha(0.57f);
206 }
207 }
208 }
209
210 String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(),
211 message.getMergedTimeSent());
212 if (message.getStatus() <= Message.STATUS_RECEIVED) {
213 if ((filesize != null) && (info != null)) {
214 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize +" \u00B7 " + info);
215 } else if ((filesize == null) && (info != null)) {
216 viewHolder.time.setText(formatedTime + " \u00B7 " + info);
217 } else if ((filesize != null) && (info == null)) {
218 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
219 } else {
220 viewHolder.time.setText(formatedTime);
221 }
222 } else {
223 if ((filesize != null) && (info != null)) {
224 viewHolder.time.setText(filesize + " \u00B7 " + info);
225 } else if ((filesize == null) && (info != null)) {
226 if (error) {
227 viewHolder.time.setText(info + " \u00B7 " + formatedTime);
228 } else {
229 viewHolder.time.setText(info);
230 }
231 } else if ((filesize != null) && (info == null)) {
232 viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
233 } else {
234 viewHolder.time.setText(formatedTime);
235 }
236 }
237 }
238
239 private void displayInfoMessage(ViewHolder viewHolder, String text, boolean darkBackground) {
240 if (viewHolder.download_button != null) {
241 viewHolder.download_button.setVisibility(View.GONE);
242 }
243 viewHolder.image.setVisibility(View.GONE);
244 viewHolder.messageBody.setVisibility(View.VISIBLE);
245 viewHolder.messageBody.setText(text);
246 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
247 viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
248 viewHolder.messageBody.setTextIsSelectable(false);
249 }
250
251 private void displayDecryptionFailed(ViewHolder viewHolder, boolean darkBackground) {
252 if (viewHolder.download_button != null) {
253 viewHolder.download_button.setVisibility(View.GONE);
254 }
255 viewHolder.image.setVisibility(View.GONE);
256 viewHolder.messageBody.setVisibility(View.VISIBLE);
257 viewHolder.messageBody.setText(getContext().getString(
258 R.string.decryption_failed));
259 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
260 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
261 viewHolder.messageBody.setTextIsSelectable(false);
262 }
263
264 private void displayHeartMessage(final ViewHolder viewHolder, final String body) {
265 if (viewHolder.download_button != null) {
266 viewHolder.download_button.setVisibility(View.GONE);
267 }
268 viewHolder.image.setVisibility(View.GONE);
269 viewHolder.messageBody.setVisibility(View.VISIBLE);
270 viewHolder.messageBody.setIncludeFontPadding(false);
271 Spannable span = new SpannableString(body);
272 span.setSpan(new RelativeSizeSpan(4.0f), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
273 span.setSpan(new ForegroundColorSpan(activity.getWarningTextColor()), 0, body.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
274 viewHolder.messageBody.setText(span);
275 }
276
277 private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground) {
278 if (viewHolder.download_button != null) {
279 viewHolder.download_button.setVisibility(View.GONE);
280 }
281 viewHolder.image.setVisibility(View.GONE);
282 viewHolder.messageBody.setVisibility(View.VISIBLE);
283 viewHolder.messageBody.setIncludeFontPadding(true);
284 if (message.getBody() != null) {
285 final String nick = UIHelper.getMessageDisplayName(message);
286 String body;
287 try {
288 body = message.getMergedBody().replaceAll("^" + Message.ME_COMMAND, nick + " ");
289 } catch (ArrayIndexOutOfBoundsException e) {
290 body = message.getMergedBody();
291 }
292 final SpannableString formattedBody = new SpannableString(body);
293 int i = body.indexOf(Message.MERGE_SEPARATOR);
294 while(i >= 0) {
295 final int end = i + Message.MERGE_SEPARATOR.length();
296 formattedBody.setSpan(new RelativeSizeSpan(0.3f),i,end,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
297 i = body.indexOf(Message.MERGE_SEPARATOR,end);
298 }
299 if (message.getType() != Message.TYPE_PRIVATE) {
300 if (message.hasMeCommand()) {
301 final Spannable span = new SpannableString(formattedBody);
302 span.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
303 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
304 viewHolder.messageBody.setText(span);
305 } else {
306 viewHolder.messageBody.setText(formattedBody);
307 }
308 } else {
309 String privateMarker;
310 if (message.getStatus() <= Message.STATUS_RECEIVED) {
311 privateMarker = activity
312 .getString(R.string.private_message);
313 } else {
314 final String to;
315 if (message.getCounterpart() != null) {
316 to = message.getCounterpart().getResourcepart();
317 } else {
318 to = "";
319 }
320 privateMarker = activity.getString(R.string.private_message_to, to);
321 }
322 final Spannable span = new SpannableString(privateMarker + " "
323 + formattedBody);
324 span.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground,false)), 0, privateMarker
325 .length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
326 span.setSpan(new StyleSpan(Typeface.BOLD), 0,
327 privateMarker.length(),
328 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
329 if (message.hasMeCommand()) {
330 span.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarker.length() + 1,
331 privateMarker.length() + 1 + nick.length(),
332 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
333 }
334 viewHolder.messageBody.setText(span);
335 }
336 int urlCount = 0;
337 Matcher matcher = Patterns.WEB_URL.matcher(body);
338 while (matcher.find()) {
339 urlCount++;
340 }
341 viewHolder.messageBody.setTextIsSelectable(urlCount <= 1);
342 } else {
343 viewHolder.messageBody.setText("");
344 viewHolder.messageBody.setTextIsSelectable(false);
345 }
346 viewHolder.messageBody.setTextColor(this.getMessageTextColor(darkBackground, true));
347 viewHolder.messageBody.setLinkTextColor(this.getMessageTextColor(darkBackground, true));
348 viewHolder.messageBody.setHighlightColor(activity.getResources().getColor(darkBackground ? R.color.grey800 : R.color.grey500));
349 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
350 viewHolder.messageBody.setOnLongClickListener(openContextMenu);
351 }
352
353 private void displayDownloadableMessage(ViewHolder viewHolder,
354 final Message message, String text) {
355 viewHolder.image.setVisibility(View.GONE);
356 viewHolder.messageBody.setVisibility(View.GONE);
357 viewHolder.download_button.setVisibility(View.VISIBLE);
358 viewHolder.download_button.setText(text);
359 viewHolder.download_button.setOnClickListener(new OnClickListener() {
360
361 @Override
362 public void onClick(View v) {
363 activity.startDownloadable(message);
364 }
365 });
366 viewHolder.download_button.setOnLongClickListener(openContextMenu);
367 }
368
369 private void displayOpenableMessage(ViewHolder viewHolder,final Message message) {
370 viewHolder.image.setVisibility(View.GONE);
371 viewHolder.messageBody.setVisibility(View.GONE);
372 viewHolder.download_button.setVisibility(View.VISIBLE);
373 viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
374 viewHolder.download_button.setOnClickListener(new OnClickListener() {
375
376 @Override
377 public void onClick(View v) {
378 openDownloadable(message);
379 }
380 });
381 viewHolder.download_button.setOnLongClickListener(openContextMenu);
382 }
383
384 private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
385 viewHolder.image.setVisibility(View.GONE);
386 viewHolder.messageBody.setVisibility(View.GONE);
387 viewHolder.download_button.setVisibility(View.VISIBLE);
388 viewHolder.download_button.setText(R.string.show_location);
389 viewHolder.download_button.setOnClickListener(new OnClickListener() {
390
391 @Override
392 public void onClick(View v) {
393 showLocation(message);
394 }
395 });
396 viewHolder.download_button.setOnLongClickListener(openContextMenu);
397 }
398
399 private void displayImageMessage(ViewHolder viewHolder,
400 final Message message) {
401 if (viewHolder.download_button != null) {
402 viewHolder.download_button.setVisibility(View.GONE);
403 }
404 viewHolder.messageBody.setVisibility(View.GONE);
405 viewHolder.image.setVisibility(View.VISIBLE);
406 FileParams params = message.getFileParams();
407 double target = metrics.density * 288;
408 int scalledW;
409 int scalledH;
410 if (params.width <= params.height) {
411 scalledW = (int) (params.width / ((double) params.height / target));
412 scalledH = (int) target;
413 } else {
414 scalledW = (int) target;
415 scalledH = (int) (params.height / ((double) params.width / target));
416 }
417 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scalledW, scalledH);
418 layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
419 viewHolder.image.setLayoutParams(layoutParams);
420 activity.loadBitmap(message, viewHolder.image);
421 viewHolder.image.setOnClickListener(new OnClickListener() {
422
423 @Override
424 public void onClick(View v) {
425 openDownloadable(message);
426 }
427 });
428 viewHolder.image.setOnLongClickListener(openContextMenu);
429 }
430
431 @Override
432 public View getView(int position, View view, ViewGroup parent) {
433 final Message message = getItem(position);
434 final boolean isInValidSession = message.isValidInSession();
435 final Conversation conversation = message.getConversation();
436 final Account account = conversation.getAccount();
437 final int type = getItemViewType(position);
438 ViewHolder viewHolder;
439 if (view == null) {
440 viewHolder = new ViewHolder();
441 switch (type) {
442 case SENT:
443 view = activity.getLayoutInflater().inflate(
444 R.layout.message_sent, parent, false);
445 viewHolder.message_box = (LinearLayout) view
446 .findViewById(R.id.message_box);
447 viewHolder.contact_picture = (ImageView) view
448 .findViewById(R.id.message_photo);
449 viewHolder.download_button = (Button) view
450 .findViewById(R.id.download_button);
451 viewHolder.indicator = (ImageView) view
452 .findViewById(R.id.security_indicator);
453 viewHolder.image = (ImageView) view
454 .findViewById(R.id.message_image);
455 viewHolder.messageBody = (TextView) view
456 .findViewById(R.id.message_body);
457 viewHolder.time = (TextView) view
458 .findViewById(R.id.message_time);
459 viewHolder.indicatorReceived = (ImageView) view
460 .findViewById(R.id.indicator_received);
461 break;
462 case RECEIVED:
463 view = activity.getLayoutInflater().inflate(
464 R.layout.message_received, parent, false);
465 viewHolder.message_box = (LinearLayout) view
466 .findViewById(R.id.message_box);
467 viewHolder.contact_picture = (ImageView) view
468 .findViewById(R.id.message_photo);
469 viewHolder.download_button = (Button) view
470 .findViewById(R.id.download_button);
471 viewHolder.indicator = (ImageView) view
472 .findViewById(R.id.security_indicator);
473 viewHolder.image = (ImageView) view
474 .findViewById(R.id.message_image);
475 viewHolder.messageBody = (TextView) view
476 .findViewById(R.id.message_body);
477 viewHolder.time = (TextView) view
478 .findViewById(R.id.message_time);
479 viewHolder.indicatorReceived = (ImageView) view
480 .findViewById(R.id.indicator_received);
481 viewHolder.encryption = (TextView) view.findViewById(R.id.message_encryption);
482 break;
483 case STATUS:
484 view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
485 viewHolder.contact_picture = (ImageView) view.findViewById(R.id.message_photo);
486 viewHolder.status_message = (TextView) view.findViewById(R.id.status_message);
487 break;
488 default:
489 viewHolder = null;
490 break;
491 }
492 view.setTag(viewHolder);
493 } else {
494 viewHolder = (ViewHolder) view.getTag();
495 if (viewHolder == null) {
496 return view;
497 }
498 }
499
500 boolean darkBackground = (type == RECEIVED && (!isInValidSession || !mUseWhiteBackground));
501
502 if (type == STATUS) {
503 if (conversation.getMode() == Conversation.MODE_SINGLE) {
504 viewHolder.contact_picture.setImageBitmap(activity
505 .avatarService().get(conversation.getContact(),
506 activity.getPixel(32)));
507 viewHolder.contact_picture.setAlpha(0.5f);
508 viewHolder.status_message.setText(message.getBody());
509 }
510 return view;
511 } else {
512 loadAvatar(message,viewHolder.contact_picture);
513 }
514
515 viewHolder.contact_picture
516 .setOnClickListener(new OnClickListener() {
517
518 @Override
519 public void onClick(View v) {
520 if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
521 MessageAdapter.this.mOnContactPictureClickedListener
522 .onContactPictureClicked(message);
523 }
524
525 }
526 });
527 viewHolder.contact_picture
528 .setOnLongClickListener(new OnLongClickListener() {
529
530 @Override
531 public boolean onLongClick(View v) {
532 if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
533 MessageAdapter.this.mOnContactPictureLongClickedListener
534 .onContactPictureLongClicked(message);
535 return true;
536 } else {
537 return false;
538 }
539 }
540 });
541
542 final Transferable transferable = message.getTransferable();
543 if (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING) {
544 if (transferable.getStatus() == Transferable.STATUS_OFFER) {
545 displayDownloadableMessage(viewHolder,message,activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
546 } else if (transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
547 displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
548 } else {
549 displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first,darkBackground);
550 }
551 } else if (message.getType() == Message.TYPE_IMAGE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
552 displayImageMessage(viewHolder, message);
553 } else if (message.getType() == Message.TYPE_FILE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
554 if (message.getFileParams().width > 0) {
555 displayImageMessage(viewHolder,message);
556 } else {
557 displayOpenableMessage(viewHolder, message);
558 }
559 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
560 if (activity.hasPgp()) {
561 if (account.getPgpDecryptionService().isRunning()) {
562 displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
563 } else {
564 displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
565 }
566 } else {
567 displayInfoMessage(viewHolder,activity.getString(R.string.install_openkeychain),darkBackground);
568 if (viewHolder != null) {
569 viewHolder.message_box
570 .setOnClickListener(new OnClickListener() {
571
572 @Override
573 public void onClick(View v) {
574 activity.showInstallPgpDialog();
575 }
576 });
577 }
578 }
579 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
580 displayDecryptionFailed(viewHolder,darkBackground);
581 } else {
582 if (GeoHelper.isGeoUri(message.getBody())) {
583 displayLocationMessage(viewHolder,message);
584 } else if (message.bodyIsHeart()) {
585 displayHeartMessage(viewHolder, message.getBody().trim());
586 } else if (message.treatAsDownloadable() == Message.Decision.MUST) {
587 displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
588 } else {
589 displayTextMessage(viewHolder, message, darkBackground);
590 }
591 }
592
593 if (type == RECEIVED) {
594 if(isInValidSession) {
595 if (mUseWhiteBackground) {
596 viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_white);
597 } else {
598 viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received);
599 }
600 viewHolder.encryption.setVisibility(View.GONE);
601 } else {
602 viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
603 viewHolder.encryption.setVisibility(View.VISIBLE);
604 viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
605 }
606 }
607
608 displayStatus(viewHolder, message, type, darkBackground);
609
610 return view;
611 }
612
613 public void openDownloadable(Message message) {
614 DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
615 if (!file.exists()) {
616 Toast.makeText(activity,R.string.file_deleted,Toast.LENGTH_SHORT).show();
617 return;
618 }
619 Intent openIntent = new Intent(Intent.ACTION_VIEW);
620 String mime = file.getMimeType();
621 if (mime == null) {
622 mime = "*/*";
623 }
624 openIntent.setDataAndType(Uri.fromFile(file), mime);
625 PackageManager manager = activity.getPackageManager();
626 List<ResolveInfo> infos = manager.queryIntentActivities(openIntent, 0);
627 if (infos.size() == 0) {
628 openIntent.setDataAndType(Uri.fromFile(file),"*/*");
629 }
630 try {
631 getContext().startActivity(openIntent);
632 return;
633 } catch (ActivityNotFoundException e) {
634 //ignored
635 }
636 Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
637 }
638
639 public void showLocation(Message message) {
640 for(Intent intent : GeoHelper.createGeoIntentsFromMessage(message)) {
641 if (intent.resolveActivity(getContext().getPackageManager()) != null) {
642 getContext().startActivity(intent);
643 return;
644 }
645 }
646 Toast.makeText(activity,R.string.no_application_found_to_display_location,Toast.LENGTH_SHORT).show();
647 }
648
649 public void updatePreferences() {
650 this.mIndicateReceived = activity.indicateReceived();
651 this.mUseWhiteBackground = activity.useWhiteBackground();
652 }
653
654 public interface OnContactPictureClicked {
655 void onContactPictureClicked(Message message);
656 }
657
658 public interface OnContactPictureLongClicked {
659 void onContactPictureLongClicked(Message message);
660 }
661
662 private static class ViewHolder {
663
664 protected LinearLayout message_box;
665 protected Button download_button;
666 protected ImageView image;
667 protected ImageView indicator;
668 protected ImageView indicatorReceived;
669 protected TextView time;
670 protected TextView messageBody;
671 protected ImageView contact_picture;
672 protected TextView status_message;
673 protected TextView encryption;
674 }
675
676 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
677 private final WeakReference<ImageView> imageViewReference;
678 private Message message = null;
679
680 public BitmapWorkerTask(ImageView imageView) {
681 imageViewReference = new WeakReference<>(imageView);
682 }
683
684 @Override
685 protected Bitmap doInBackground(Message... params) {
686 return activity.avatarService().get(params[0], activity.getPixel(48), isCancelled());
687 }
688
689 @Override
690 protected void onPostExecute(Bitmap bitmap) {
691 if (bitmap != null) {
692 final ImageView imageView = imageViewReference.get();
693 if (imageView != null) {
694 imageView.setImageBitmap(bitmap);
695 imageView.setBackgroundColor(0x00000000);
696 }
697 }
698 }
699 }
700
701 public void loadAvatar(Message message, ImageView imageView) {
702 if (cancelPotentialWork(message, imageView)) {
703 final Bitmap bm = activity.avatarService().get(message, activity.getPixel(48), true);
704 if (bm != null) {
705 imageView.setImageBitmap(bm);
706 imageView.setBackgroundColor(0x00000000);
707 } else {
708 imageView.setBackgroundColor(UIHelper.getColorForName(UIHelper.getMessageDisplayName(message)));
709 imageView.setImageDrawable(null);
710 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
711 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
712 imageView.setImageDrawable(asyncDrawable);
713 try {
714 task.execute(message);
715 } catch (final RejectedExecutionException ignored) {
716 }
717 }
718 }
719 }
720
721 public static boolean cancelPotentialWork(Message message, ImageView imageView) {
722 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
723
724 if (bitmapWorkerTask != null) {
725 final Message oldMessage = bitmapWorkerTask.message;
726 if (oldMessage == null || message != oldMessage) {
727 bitmapWorkerTask.cancel(true);
728 } else {
729 return false;
730 }
731 }
732 return true;
733 }
734
735 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
736 if (imageView != null) {
737 final Drawable drawable = imageView.getDrawable();
738 if (drawable instanceof AsyncDrawable) {
739 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
740 return asyncDrawable.getBitmapWorkerTask();
741 }
742 }
743 return null;
744 }
745
746 static class AsyncDrawable extends BitmapDrawable {
747 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
748
749 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
750 super(res, bitmap);
751 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
752 }
753
754 public BitmapWorkerTask getBitmapWorkerTask() {
755 return bitmapWorkerTaskReference.get();
756 }
757 }
758}