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.Color;
10import android.graphics.Typeface;
11import android.graphics.drawable.BitmapDrawable;
12import android.graphics.drawable.Drawable;
13import android.net.Uri;
14import android.os.AsyncTask;
15import android.support.annotation.ColorInt;
16import android.support.v4.content.ContextCompat;
17import android.text.Spannable;
18import android.text.SpannableString;
19import android.text.SpannableStringBuilder;
20import android.text.Spanned;
21import android.text.format.DateUtils;
22import android.text.style.ForegroundColorSpan;
23import android.text.style.RelativeSizeSpan;
24import android.text.style.StyleSpan;
25import android.text.util.Linkify;
26import android.util.DisplayMetrics;
27import android.util.Log;
28import android.view.ActionMode;
29import android.view.Menu;
30import android.view.MenuItem;
31import android.view.View;
32import android.view.View.OnClickListener;
33import android.view.View.OnLongClickListener;
34import android.view.ViewGroup;
35import android.view.WindowManager;
36import android.widget.ArrayAdapter;
37import android.widget.Button;
38import android.widget.ImageView;
39import android.widget.LinearLayout;
40import android.widget.RelativeLayout;
41import android.widget.TextView;
42import android.widget.Toast;
43
44import java.lang.ref.WeakReference;
45import java.net.URL;
46import java.util.List;
47import java.util.Locale;
48import java.util.concurrent.RejectedExecutionException;
49import java.util.regex.Matcher;
50import java.util.regex.Pattern;
51
52import eu.siacs.conversations.Config;
53import eu.siacs.conversations.R;
54import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
55import eu.siacs.conversations.entities.Account;
56import eu.siacs.conversations.entities.Conversation;
57import eu.siacs.conversations.entities.DownloadableFile;
58import eu.siacs.conversations.entities.Message;
59import eu.siacs.conversations.entities.Message.FileParams;
60import eu.siacs.conversations.entities.Transferable;
61import eu.siacs.conversations.persistance.FileBackend;
62import eu.siacs.conversations.services.MessageArchiveService;
63import eu.siacs.conversations.services.NotificationService;
64import eu.siacs.conversations.ui.ConversationActivity;
65import eu.siacs.conversations.ui.service.AudioPlayer;
66import eu.siacs.conversations.ui.text.DividerSpan;
67import eu.siacs.conversations.ui.text.FixedURLSpan;
68import eu.siacs.conversations.ui.text.QuoteSpan;
69import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
70import eu.siacs.conversations.ui.widget.CopyTextView;
71import eu.siacs.conversations.ui.widget.ListSelectionManager;
72import eu.siacs.conversations.utils.CryptoHelper;
73import eu.siacs.conversations.utils.EmojiWrapper;
74import eu.siacs.conversations.utils.Emoticons;
75import eu.siacs.conversations.utils.GeoHelper;
76import eu.siacs.conversations.utils.Patterns;
77import eu.siacs.conversations.utils.StylingHelper;
78import eu.siacs.conversations.utils.UIHelper;
79import eu.siacs.conversations.utils.XmppUri;
80import eu.siacs.conversations.xmpp.mam.MamReference;
81
82public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
83
84 private static final int SENT = 0;
85 private static final int RECEIVED = 1;
86 private static final int STATUS = 2;
87 private static final int DATE_SEPARATOR = 3;
88
89 public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
90
91 private static final Pattern XMPP_PATTERN = Pattern
92 .compile("xmpp\\:(?:(?:["
93 + Patterns.GOOD_IRI_CHAR
94 + "\\;\\/\\?\\@\\&\\=\\#\\~\\-\\.\\+\\!\\*\\'\\(\\)\\,\\_])"
95 + "|(?:\\%[a-fA-F0-9]{2}))+");
96
97 private static final Linkify.TransformFilter WEBURL_TRANSFORM_FILTER = new Linkify.TransformFilter() {
98 @Override
99 public String transformUrl(Matcher matcher, String url) {
100 if (url == null) {
101 return null;
102 }
103 final String lcUrl = url.toLowerCase(Locale.US);
104 if (lcUrl.startsWith("http://") || lcUrl.startsWith("https://")) {
105 return url;
106 } else {
107 return "http://"+url;
108 }
109 }
110 };
111 private static final Linkify.MatchFilter WEBURL_MATCH_FILTER = new Linkify.MatchFilter() {
112 @Override
113 public boolean acceptMatch(CharSequence cs, int start, int end) {
114 return start < 1 || (cs.charAt(start-1) != '@' && cs.charAt(start-1) != '.' && !cs.subSequence(Math.max(0,start - 3),start).equals("://"));
115 }
116 };
117
118 private static final Linkify.MatchFilter XMPPURI_MATCH_FILTER = new Linkify.MatchFilter() {
119 @Override
120 public boolean acceptMatch(CharSequence s, int start, int end) {
121 XmppUri uri = new XmppUri(s.subSequence(start,end).toString());
122 return uri.isJidValid();
123 }
124 };
125
126 private final ConversationActivity activity;
127
128 private DisplayMetrics metrics;
129
130 private OnContactPictureClicked mOnContactPictureClickedListener;
131 private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
132
133 private boolean mIndicateReceived = false;
134 private boolean mUseGreenBackground = false;
135
136 private OnQuoteListener onQuoteListener;
137
138 private final ListSelectionManager listSelectionManager = new ListSelectionManager();
139
140 private final AudioPlayer audioPlayer;
141
142 public MessageAdapter(ConversationActivity activity, List<Message> messages) {
143 super(activity, 0, messages);
144 this.audioPlayer = new AudioPlayer(this);
145 this.activity = activity;
146 metrics = getContext().getResources().getDisplayMetrics();
147 updatePreferences();
148 }
149
150 public void flagScreenOn() {
151 activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
152 }
153
154 public void flagScreenOff() {
155 activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
156 }
157
158 public void setOnContactPictureClicked(OnContactPictureClicked listener) {
159 this.mOnContactPictureClickedListener = listener;
160 }
161
162 public void setOnContactPictureLongClicked(
163 OnContactPictureLongClicked listener) {
164 this.mOnContactPictureLongClickedListener = listener;
165 }
166
167 public void setOnQuoteListener(OnQuoteListener listener) {
168 this.onQuoteListener = listener;
169 }
170
171 @Override
172 public int getViewTypeCount() {
173 return 4;
174 }
175
176 public int getItemViewType(Message message) {
177 if (message.getType() == Message.TYPE_STATUS) {
178 if (DATE_SEPARATOR_BODY.equals(message.getBody())) {
179 return DATE_SEPARATOR;
180 } else {
181 return STATUS;
182 }
183 } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
184 return RECEIVED;
185 }
186
187 return SENT;
188 }
189
190 @Override
191 public int getItemViewType(int position) {
192 return this.getItemViewType(getItem(position));
193 }
194
195 public int getMessageTextColor(boolean onDark, boolean primary) {
196 if (onDark) {
197 return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
198 } else {
199 return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
200 }
201 }
202
203 private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
204 String filesize = null;
205 String info = null;
206 boolean error = false;
207 if (viewHolder.indicatorReceived != null) {
208 viewHolder.indicatorReceived.setVisibility(View.GONE);
209 }
210
211 if (viewHolder.edit_indicator != null) {
212 if (message.edited()) {
213 viewHolder.edit_indicator.setVisibility(View.VISIBLE);
214 viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
215 viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
216 } else {
217 viewHolder.edit_indicator.setVisibility(View.GONE);
218 }
219 }
220 boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
221 && message.getMergedStatus() <= Message.STATUS_RECEIVED;
222 if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getTransferable() != null) {
223 FileParams params = message.getFileParams();
224 if (params.size > (1.5 * 1024 * 1024)) {
225 filesize = Math.round(params.size * 1f/ (1024 * 1024))+ " MiB";
226 } else if (params.size >= 1024) {
227 filesize = Math.round(params.size * 1f/ 1024) + " KiB";
228 } else if (params.size > 0){
229 filesize = params.size + " B";
230 }
231 if (message.getTransferable() != null && message.getTransferable().getStatus() == Transferable.STATUS_FAILED) {
232 error = true;
233 }
234 }
235 switch (message.getMergedStatus()) {
236 case Message.STATUS_WAITING:
237 info = getContext().getString(R.string.waiting);
238 break;
239 case Message.STATUS_UNSEND:
240 Transferable d = message.getTransferable();
241 if (d!=null) {
242 info = getContext().getString(R.string.sending_file,d.getProgress());
243 } else {
244 info = getContext().getString(R.string.sending);
245 }
246 break;
247 case Message.STATUS_OFFERED:
248 info = getContext().getString(R.string.offering);
249 break;
250 case Message.STATUS_SEND_RECEIVED:
251 if (mIndicateReceived) {
252 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
253 }
254 break;
255 case Message.STATUS_SEND_DISPLAYED:
256 if (mIndicateReceived) {
257 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
258 }
259 break;
260 case Message.STATUS_SEND_FAILED:
261 info = getContext().getString(R.string.send_failed);
262 error = true;
263 break;
264 default:
265 if (multiReceived) {
266 info = UIHelper.getMessageDisplayName(message);
267 }
268 break;
269 }
270 if (error && type == SENT) {
271 viewHolder.time.setTextColor(activity.getWarningTextColor());
272 } else {
273 viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground,false));
274 }
275 if (message.getEncryption() == Message.ENCRYPTION_NONE) {
276 viewHolder.indicator.setVisibility(View.GONE);
277 } else {
278 boolean verified = false;
279 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
280 final FingerprintStatus status = message.getConversation()
281 .getAccount().getAxolotlService().getFingerprintTrust(
282 message.getFingerprint());
283 if (status != null && status.isVerified()) {
284 verified = true;
285 }
286 }
287 if (verified) {
288 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
289 } else {
290 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
291 }
292 if (darkBackground) {
293 viewHolder.indicator.setAlpha(0.7f);
294 } else {
295 viewHolder.indicator.setAlpha(0.57f);
296 }
297 viewHolder.indicator.setVisibility(View.VISIBLE);
298 }
299
300 String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(), message.getMergedTimeSent());
301 if (message.getStatus() <= Message.STATUS_RECEIVED) {
302 if ((filesize != null) && (info != null)) {
303 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize +" \u00B7 " + info);
304 } else if ((filesize == null) && (info != null)) {
305 viewHolder.time.setText(formatedTime + " \u00B7 " + info);
306 } else if ((filesize != null) && (info == null)) {
307 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
308 } else {
309 viewHolder.time.setText(formatedTime);
310 }
311 } else {
312 if ((filesize != null) && (info != null)) {
313 viewHolder.time.setText(filesize + " \u00B7 " + info);
314 } else if ((filesize == null) && (info != null)) {
315 if (error) {
316 viewHolder.time.setText(info + " \u00B7 " + formatedTime);
317 } else {
318 viewHolder.time.setText(info);
319 }
320 } else if ((filesize != null) && (info == null)) {
321 viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
322 } else {
323 viewHolder.time.setText(formatedTime);
324 }
325 }
326 }
327
328 private void displayInfoMessage(ViewHolder viewHolder, String text, boolean darkBackground) {
329 viewHolder.download_button.setVisibility(View.GONE);
330 viewHolder.audioPlayer.setVisibility(View.GONE);
331 viewHolder.image.setVisibility(View.GONE);
332 viewHolder.messageBody.setVisibility(View.VISIBLE);
333 viewHolder.messageBody.setText(text);
334 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
335 viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
336 viewHolder.messageBody.setTextIsSelectable(false);
337 }
338
339 private void displayDecryptionFailed(ViewHolder viewHolder, boolean darkBackground) {
340 viewHolder.download_button.setVisibility(View.GONE);
341 viewHolder.image.setVisibility(View.GONE);
342 viewHolder.audioPlayer.setVisibility(View.GONE);
343 viewHolder.messageBody.setVisibility(View.VISIBLE);
344 viewHolder.messageBody.setText(getContext().getString(
345 R.string.decryption_failed));
346 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
347 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
348 viewHolder.messageBody.setTextIsSelectable(false);
349 }
350
351 private void displayEmojiMessage(final ViewHolder viewHolder, final String body) {
352 viewHolder.download_button.setVisibility(View.GONE);
353 viewHolder.audioPlayer.setVisibility(View.GONE);
354 viewHolder.image.setVisibility(View.GONE);
355 viewHolder.messageBody.setVisibility(View.VISIBLE);
356 Spannable span = new SpannableString(body);
357 float size = Emoticons.isEmoji(body) ? 3.0f : 2.0f;
358 span.setSpan(new RelativeSizeSpan(size), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
359 viewHolder.messageBody.setText(EmojiWrapper.transform(span));
360 }
361
362 private int applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
363 if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
364 body.insert(start++, "\n");
365 body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
366 end++;
367 }
368 if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
369 body.insert(end, "\n");
370 body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
371 }
372 int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
373 : ContextCompat.getColor(activity, R.color.bubble);
374 DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
375 body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
376 return 0;
377 }
378
379 /**
380 * Applies QuoteSpan to group of lines which starts with > or » characters.
381 * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
382 */
383 private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
384 boolean startsWithQuote = false;
385 char previous = '\n';
386 int lineStart = -1;
387 int lineTextStart = -1;
388 int quoteStart = -1;
389 for (int i = 0; i <= body.length(); i++) {
390 char current = body.length() > i ? body.charAt(i) : '\n';
391 if (lineStart == -1) {
392 if (previous == '\n') {
393 if ((current == '>' && UIHelper.isPositionFollowedByQuoteableCharacter(body,i))
394 || current == '\u00bb' && !UIHelper.isPositionFollowedByQuote(body,i)) {
395 // Line start with quote
396 lineStart = i;
397 if (quoteStart == -1) quoteStart = i;
398 if (i == 0) startsWithQuote = true;
399 } else if (quoteStart >= 0) {
400 // Line start without quote, apply spans there
401 applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
402 quoteStart = -1;
403 }
404 }
405 } else {
406 // Remove extra spaces between > and first character in the line
407 // > character will be removed too
408 if (current != ' ' && lineTextStart == -1) {
409 lineTextStart = i;
410 }
411 if (current == '\n') {
412 body.delete(lineStart, lineTextStart);
413 i -= lineTextStart - lineStart;
414 if (i == lineStart) {
415 // Avoid empty lines because span over empty line can be hidden
416 body.insert(i++, " ");
417 }
418 lineStart = -1;
419 lineTextStart = -1;
420 }
421 }
422 previous = current;
423 }
424 if (quoteStart >= 0) {
425 // Apply spans to finishing open quote
426 applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
427 }
428 return startsWithQuote;
429 }
430
431 private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
432 viewHolder.download_button.setVisibility(View.GONE);
433 viewHolder.image.setVisibility(View.GONE);
434 viewHolder.audioPlayer.setVisibility(View.GONE);
435 viewHolder.messageBody.setVisibility(View.VISIBLE);
436
437 viewHolder.messageBody.setTextColor(this.getMessageTextColor(darkBackground, true));
438 viewHolder.messageBody.setLinkTextColor(this.getMessageTextColor(darkBackground, true));
439 viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
440 ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
441 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
442
443 if (message.getBody() != null) {
444 final String nick = UIHelper.getMessageDisplayName(message);
445 SpannableStringBuilder body = message.getMergedBody();
446 boolean hasMeCommand = message.hasMeCommand();
447 if (hasMeCommand) {
448 body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
449 }
450 if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
451 body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
452 body.append("\u2026");
453 }
454 Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
455 for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
456 int start = body.getSpanStart(mergeSeparator);
457 int end = body.getSpanEnd(mergeSeparator);
458 body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
459 }
460 boolean startsWithQuote = handleTextQuotes(body, darkBackground);
461 if (message.getType() != Message.TYPE_PRIVATE) {
462 if (hasMeCommand) {
463 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
464 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
465 }
466 } else {
467 String privateMarker;
468 if (message.getStatus() <= Message.STATUS_RECEIVED) {
469 privateMarker = activity.getString(R.string.private_message);
470 } else {
471 final String to;
472 if (message.getCounterpart() != null) {
473 to = message.getCounterpart().getResourcepart();
474 } else {
475 to = "";
476 }
477 privateMarker = activity.getString(R.string.private_message_to, to);
478 }
479 body.insert(0, privateMarker);
480 int privateMarkerIndex = privateMarker.length();
481 if (startsWithQuote) {
482 body.insert(privateMarkerIndex, "\n\n");
483 body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
484 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
485 } else {
486 body.insert(privateMarkerIndex, " ");
487 }
488 body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
489 body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
490 if (hasMeCommand) {
491 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
492 privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
493 }
494 }
495 if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
496 Pattern pattern = NotificationService.generateNickHighlightPattern(message.getConversation().getMucOptions().getActualNick());
497 Matcher matcher = pattern.matcher(body);
498 while(matcher.find()) {
499 body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
500 }
501 }
502 Matcher matcher = Emoticons.generatePattern(body).matcher(body);
503 while(matcher.find()) {
504 if (matcher.start() < matcher.end()) {
505 body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
506 }
507 }
508
509 StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
510
511 Linkify.addLinks(body, XMPP_PATTERN, "xmpp", XMPPURI_MATCH_FILTER, null);
512 Linkify.addLinks(body, Patterns.AUTOLINK_WEB_URL, "http", WEBURL_MATCH_FILTER, WEBURL_TRANSFORM_FILTER);
513 Linkify.addLinks(body, GeoHelper.GEO_URI, "geo");
514 FixedURLSpan.fix(body);
515 viewHolder.messageBody.setAutoLinkMask(0);
516 viewHolder.messageBody.setText(EmojiWrapper.transform(body));
517 viewHolder.messageBody.setTextIsSelectable(true);
518 viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
519 listSelectionManager.onUpdate(viewHolder.messageBody, message);
520 } else {
521 viewHolder.messageBody.setText("");
522 viewHolder.messageBody.setTextIsSelectable(false);
523 }
524 }
525
526 private void displayDownloadableMessage(ViewHolder viewHolder, final Message message, String text) {
527 viewHolder.image.setVisibility(View.GONE);
528 viewHolder.messageBody.setVisibility(View.GONE);
529 viewHolder.audioPlayer.setVisibility(View.GONE);
530 viewHolder.download_button.setVisibility(View.VISIBLE);
531 viewHolder.download_button.setText(text);
532 viewHolder.download_button.setOnClickListener(new OnClickListener() {
533
534 @Override
535 public void onClick(View v) {
536 //TODO make proper reference to fragment
537 //activity.startDownloadable(message);
538 }
539 });
540 }
541
542 private void displayOpenableMessage(ViewHolder viewHolder,final Message message) {
543 viewHolder.image.setVisibility(View.GONE);
544 viewHolder.messageBody.setVisibility(View.GONE);
545 viewHolder.audioPlayer.setVisibility(View.GONE);
546 viewHolder.download_button.setVisibility(View.VISIBLE);
547 viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
548 viewHolder.download_button.setOnClickListener(new OnClickListener() {
549
550 @Override
551 public void onClick(View v) {
552 openDownloadable(message);
553 }
554 });
555 }
556
557 private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
558 viewHolder.image.setVisibility(View.GONE);
559 viewHolder.messageBody.setVisibility(View.GONE);
560 viewHolder.audioPlayer.setVisibility(View.GONE);
561 viewHolder.download_button.setVisibility(View.VISIBLE);
562 viewHolder.download_button.setText(R.string.show_location);
563 viewHolder.download_button.setOnClickListener(new OnClickListener() {
564
565 @Override
566 public void onClick(View v) {
567 showLocation(message);
568 }
569 });
570 }
571
572 private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground) {
573 viewHolder.image.setVisibility(View.GONE);
574 viewHolder.messageBody.setVisibility(View.GONE);
575 viewHolder.download_button.setVisibility(View.GONE);
576 final RelativeLayout audioPlayer = viewHolder.audioPlayer;
577 audioPlayer.setVisibility(View.VISIBLE);
578 AudioPlayer.ViewHolder.get(audioPlayer).setDarkBackground(darkBackground);
579 this.audioPlayer.init(audioPlayer, message);
580 }
581
582
583 private void displayImageMessage(ViewHolder viewHolder, final Message message) {
584 viewHolder.download_button.setVisibility(View.GONE);
585 viewHolder.messageBody.setVisibility(View.GONE);
586 viewHolder.audioPlayer.setVisibility(View.GONE);
587 viewHolder.image.setVisibility(View.VISIBLE);
588 FileParams params = message.getFileParams();
589 double target = metrics.density * 288;
590 int scaledW;
591 int scaledH;
592 if (Math.max(params.height, params.width) * metrics.density <= target) {
593 scaledW = (int) (params.width * metrics.density);
594 scaledH = (int) (params.height * metrics.density);
595 } else if (Math.max(params.height,params.width) <= target) {
596 scaledW = params.width;
597 scaledH = params.height;
598 } else if (params.width <= params.height) {
599 scaledW = (int) (params.width / ((double) params.height / target));
600 scaledH = (int) target;
601 } else {
602 scaledW = (int) target;
603 scaledH = (int) (params.height / ((double) params.width / target));
604 }
605 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
606 layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
607 viewHolder.image.setLayoutParams(layoutParams);
608 activity.loadBitmap(message, viewHolder.image);
609 viewHolder.image.setOnClickListener(new OnClickListener() {
610
611 @Override
612 public void onClick(View v) {
613 openDownloadable(message);
614 }
615 });
616 }
617
618 private void loadMoreMessages(Conversation conversation) {
619 conversation.setLastClearHistory(0,null);
620 activity.xmppConnectionService.updateConversation(conversation);
621 conversation.setHasMessagesLeftOnServer(true);
622 conversation.setFirstMamReference(null);
623 long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
624 if (timestamp == 0) {
625 timestamp = System.currentTimeMillis();
626 }
627 conversation.messagesLoaded.set(true);
628 MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
629 if (query != null) {
630 Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
631 } else {
632 Toast.makeText(activity,R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
633 }
634 }
635
636 @Override
637 public View getView(int position, View view, ViewGroup parent) {
638 final Message message = getItem(position);
639 final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
640 final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
641 final Conversation conversation = message.getConversation();
642 final Account account = conversation.getAccount();
643 final int type = getItemViewType(position);
644 ViewHolder viewHolder;
645 if (view == null) {
646 viewHolder = new ViewHolder();
647 switch (type) {
648 case DATE_SEPARATOR:
649 view = activity.getLayoutInflater().inflate(R.layout.message_date_bubble, parent, false);
650 viewHolder.status_message = view.findViewById(R.id.message_body);
651 viewHolder.message_box = view.findViewById(R.id.message_box);
652 break;
653 case SENT:
654 view = activity.getLayoutInflater().inflate(R.layout.message_sent, parent, false);
655 viewHolder.message_box = view.findViewById(R.id.message_box);
656 viewHolder.contact_picture = view.findViewById(R.id.message_photo);
657 viewHolder.download_button = view.findViewById(R.id.download_button);
658 viewHolder.indicator = view.findViewById(R.id.security_indicator);
659 viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
660 viewHolder.image = view.findViewById(R.id.message_image);
661 viewHolder.messageBody = view.findViewById(R.id.message_body);
662 viewHolder.time = view.findViewById(R.id.message_time);
663 viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
664 viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
665 break;
666 case RECEIVED:
667 view = activity.getLayoutInflater().inflate(R.layout.message_received, parent, false);
668 viewHolder.message_box = view.findViewById(R.id.message_box);
669 viewHolder.contact_picture = view.findViewById(R.id.message_photo);
670 viewHolder.download_button = view.findViewById(R.id.download_button);
671 viewHolder.indicator = view.findViewById(R.id.security_indicator);
672 viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
673 viewHolder.image = view.findViewById(R.id.message_image);
674 viewHolder.messageBody = view.findViewById(R.id.message_body);
675 viewHolder.time = view.findViewById(R.id.message_time);
676 viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
677 viewHolder.encryption = view.findViewById(R.id.message_encryption);
678 viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
679 break;
680 case STATUS:
681 view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
682 viewHolder.contact_picture = view.findViewById(R.id.message_photo);
683 viewHolder.status_message = view.findViewById(R.id.status_message);
684 viewHolder.load_more_messages = view.findViewById(R.id.load_more_messages);
685 break;
686 default:
687 throw new AssertionError("Unknown view type");
688 }
689 if (viewHolder.messageBody != null) {
690 listSelectionManager.onCreate(viewHolder.messageBody,
691 new MessageBodyActionModeCallback(viewHolder.messageBody));
692 viewHolder.messageBody.setCopyHandler(this);
693 }
694 view.setTag(viewHolder);
695 } else {
696 viewHolder = (ViewHolder) view.getTag();
697 if (viewHolder == null) {
698 return view;
699 }
700 }
701
702 boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
703
704 if (type == DATE_SEPARATOR) {
705 if (UIHelper.today(message.getTimeSent())) {
706 viewHolder.status_message.setText(R.string.today);
707 } else if (UIHelper.yesterday(message.getTimeSent())) {
708 viewHolder.status_message.setText(R.string.yesterday);
709 } else {
710 viewHolder.status_message.setText(DateUtils.formatDateTime(activity,message.getTimeSent(),DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR));
711 }
712 viewHolder.message_box.setBackgroundResource(activity.isDarkTheme() ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
713 viewHolder.status_message.setTextColor(activity.getSecondaryTextColor());
714 return view;
715 } else if (type == STATUS) {
716 if ("LOAD_MORE".equals(message.getBody())) {
717 viewHolder.status_message.setVisibility(View.GONE);
718 viewHolder.contact_picture.setVisibility(View.GONE);
719 viewHolder.load_more_messages.setVisibility(View.VISIBLE);
720 viewHolder.load_more_messages.setOnClickListener(new OnClickListener() {
721 @Override
722 public void onClick(View v) {
723 loadMoreMessages(message.getConversation());
724 }
725 });
726 } else {
727 viewHolder.status_message.setVisibility(View.VISIBLE);
728 viewHolder.load_more_messages.setVisibility(View.GONE);
729 viewHolder.status_message.setText(message.getBody());
730 boolean showAvatar;
731 if (conversation.getMode() == Conversation.MODE_SINGLE) {
732 showAvatar = true;
733 loadAvatar(message,viewHolder.contact_picture,activity.getPixel(32));
734 } else if (message.getCounterpart() != null || message.getTrueCounterpart() != null || (message.getCounterparts() != null && message.getCounterparts().size() > 0)) {
735 showAvatar = true;
736 loadAvatar(message,viewHolder.contact_picture,activity.getPixel(32));
737 } else {
738 showAvatar = false;
739 }
740 if (showAvatar) {
741 viewHolder.contact_picture.setAlpha(0.5f);
742 viewHolder.contact_picture.setVisibility(View.VISIBLE);
743 } else {
744 viewHolder.contact_picture.setVisibility(View.GONE);
745 }
746 }
747 return view;
748 } else {
749 loadAvatar(message, viewHolder.contact_picture,activity.getPixel(48));
750 }
751
752 viewHolder.contact_picture
753 .setOnClickListener(new OnClickListener() {
754
755 @Override
756 public void onClick(View v) {
757 if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
758 MessageAdapter.this.mOnContactPictureClickedListener
759 .onContactPictureClicked(message);
760 }
761
762 }
763 });
764 viewHolder.contact_picture
765 .setOnLongClickListener(new OnLongClickListener() {
766
767 @Override
768 public boolean onLongClick(View v) {
769 if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
770 MessageAdapter.this.mOnContactPictureLongClickedListener
771 .onContactPictureLongClicked(message);
772 return true;
773 } else {
774 return false;
775 }
776 }
777 });
778
779 final Transferable transferable = message.getTransferable();
780 if (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING) {
781 if (transferable.getStatus() == Transferable.STATUS_OFFER) {
782 displayDownloadableMessage(viewHolder,message,activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
783 } else if (transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
784 displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
785 } else {
786 displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first,darkBackground);
787 }
788 } else if (message.getType() == Message.TYPE_IMAGE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
789 displayImageMessage(viewHolder, message);
790 } else if (message.getType() == Message.TYPE_FILE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
791 if (message.getFileParams().width > 0 && message.getFileParams().height > 0) {
792 displayImageMessage(viewHolder, message);
793 } else if (message.getFileParams().runtime > 0) {
794 displayAudioMessage(viewHolder, message, darkBackground);
795 } else {
796 displayOpenableMessage(viewHolder, message);
797 }
798 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
799 if (account.isPgpDecryptionServiceConnected()) {
800 if (!account.hasPendingPgpIntent(conversation)) {
801 displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
802 } else {
803 displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
804 }
805 } else {
806 displayInfoMessage(viewHolder,activity.getString(R.string.install_openkeychain),darkBackground);
807 viewHolder.message_box.setOnClickListener(new OnClickListener() {
808
809 @Override
810 public void onClick(View v) {
811 activity.showInstallPgpDialog();
812 }
813 });
814 }
815 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
816 displayDecryptionFailed(viewHolder,darkBackground);
817 } else {
818 if (message.isGeoUri()) {
819 displayLocationMessage(viewHolder,message);
820 } else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
821 displayEmojiMessage(viewHolder, message.getBody().trim());
822 } else if (message.treatAsDownloadable()) {
823 try {
824 URL url = new URL(message.getBody());
825 displayDownloadableMessage(viewHolder,
826 message,
827 activity.getString(R.string.check_x_filesize_on_host,
828 UIHelper.getFileDescriptionString(activity, message),
829 url.getHost()));
830 } catch (Exception e) {
831 displayDownloadableMessage(viewHolder,
832 message,
833 activity.getString(R.string.check_x_filesize,
834 UIHelper.getFileDescriptionString(activity, message)));
835 }
836 } else {
837 displayTextMessage(viewHolder, message, darkBackground, type);
838 }
839 }
840
841 if (type == RECEIVED) {
842 if(isInValidSession) {
843 int bubble;
844 if (!mUseGreenBackground) {
845 bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
846 } else {
847 bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
848 }
849 viewHolder.message_box.setBackgroundResource(bubble);
850 viewHolder.encryption.setVisibility(View.GONE);
851 } else {
852 viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
853 viewHolder.encryption.setVisibility(View.VISIBLE);
854 if (omemoEncryption && !message.isTrusted()) {
855 viewHolder.encryption.setText(R.string.not_trusted);
856 } else {
857 viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
858 }
859 }
860 }
861
862 displayStatus(viewHolder, message, type, darkBackground);
863
864 return view;
865 }
866
867 @Override
868 public void notifyDataSetChanged() {
869 listSelectionManager.onBeforeNotifyDataSetChanged();
870 super.notifyDataSetChanged();
871 listSelectionManager.onAfterNotifyDataSetChanged();
872 }
873
874 private String transformText(CharSequence text, int start, int end, boolean forCopy) {
875 SpannableStringBuilder builder = new SpannableStringBuilder(text);
876 Object copySpan = new Object();
877 builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
878 DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
879 for (DividerSpan dividerSpan : dividerSpans) {
880 builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
881 dividerSpan.isLarge() ? "\n\n" : "\n");
882 }
883 start = builder.getSpanStart(copySpan);
884 end = builder.getSpanEnd(copySpan);
885 if (start == -1 || end == -1) return "";
886 builder = new SpannableStringBuilder(builder, start, end);
887 if (forCopy) {
888 QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
889 for (QuoteSpan quoteSpan : quoteSpans) {
890 builder.insert(builder.getSpanStart(quoteSpan), "> ");
891 }
892 }
893 return builder.toString();
894 }
895
896 @Override
897 public String transformTextForCopy(CharSequence text, int start, int end) {
898 if (text instanceof Spanned) {
899 return transformText(text, start, end, true);
900 } else {
901 return text.toString().substring(start, end);
902 }
903 }
904
905 public FileBackend getFileBackend() {
906 return activity.xmppConnectionService.getFileBackend();
907 }
908
909 public void stopAudioPlayer() {
910 audioPlayer.stop();
911 }
912
913 public interface OnQuoteListener {
914 public void onQuote(String text);
915 }
916
917 private class MessageBodyActionModeCallback implements ActionMode.Callback {
918
919 private final TextView textView;
920
921 public MessageBodyActionModeCallback(TextView textView) {
922 this.textView = textView;
923 }
924
925 @Override
926 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
927 if (onQuoteListener != null) {
928 int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
929 // 3rd item is placed after "copy" item
930 menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
931 .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
932 }
933 return false;
934 }
935
936 @Override
937 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
938 return false;
939 }
940
941 @Override
942 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
943 if (item.getItemId() == android.R.id.button1) {
944 int start = textView.getSelectionStart();
945 int end = textView.getSelectionEnd();
946 if (end > start) {
947 String text = transformText(textView.getText(), start, end, false);
948 if (onQuoteListener != null) {
949 onQuoteListener.onQuote(text);
950 }
951 mode.finish();
952 }
953 return true;
954 }
955 return false;
956 }
957
958 @Override
959 public void onDestroyActionMode(ActionMode mode) {}
960 }
961
962 public void openDownloadable(Message message) {
963 DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
964 if (!file.exists()) {
965 Toast.makeText(activity,R.string.file_deleted,Toast.LENGTH_SHORT).show();
966 return;
967 }
968 Intent openIntent = new Intent(Intent.ACTION_VIEW);
969 String mime = file.getMimeType();
970 if (mime == null) {
971 mime = "*/*";
972 }
973 Uri uri;
974 try {
975 uri = FileBackend.getUriForFile(activity, file);
976 } catch (SecurityException e) {
977 Log.d(Config.LOGTAG,"No permission to access "+file.getAbsolutePath(),e);
978 Toast.makeText(activity, activity.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
979 return;
980 }
981 openIntent.setDataAndType(uri, mime);
982 openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
983 PackageManager manager = activity.getPackageManager();
984 List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0);
985 if (info.size() == 0) {
986 openIntent.setDataAndType(uri,"*/*");
987 }
988 try {
989 getContext().startActivity(openIntent);
990 } catch (ActivityNotFoundException e) {
991 Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
992 }
993 }
994
995 public void showLocation(Message message) {
996 for(Intent intent : GeoHelper.createGeoIntentsFromMessage(message)) {
997 if (intent.resolveActivity(getContext().getPackageManager()) != null) {
998 getContext().startActivity(intent);
999 return;
1000 }
1001 }
1002 Toast.makeText(activity,R.string.no_application_found_to_display_location,Toast.LENGTH_SHORT).show();
1003 }
1004
1005 public void updatePreferences() {
1006 this.mIndicateReceived = activity.indicateReceived();
1007 this.mUseGreenBackground = activity.useGreenBackground();
1008 }
1009
1010 public TextView getMessageBody(View view) {
1011 final Object tag = view.getTag();
1012 if (tag instanceof ViewHolder) {
1013 final ViewHolder viewHolder = (ViewHolder) tag;
1014 return viewHolder.messageBody;
1015 }
1016 return null;
1017 }
1018
1019 public interface OnContactPictureClicked {
1020 void onContactPictureClicked(Message message);
1021 }
1022
1023 public interface OnContactPictureLongClicked {
1024 void onContactPictureLongClicked(Message message);
1025 }
1026
1027 private static class ViewHolder {
1028
1029 protected LinearLayout message_box;
1030 protected Button download_button;
1031 protected ImageView image;
1032 protected ImageView indicator;
1033 protected ImageView indicatorReceived;
1034 protected TextView time;
1035 protected CopyTextView messageBody;
1036 protected ImageView contact_picture;
1037 protected TextView status_message;
1038 protected TextView encryption;
1039 public Button load_more_messages;
1040 public ImageView edit_indicator;
1041 public RelativeLayout audioPlayer;
1042 }
1043
1044 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
1045 private final WeakReference<ImageView> imageViewReference;
1046 private Message message = null;
1047 private final int size;
1048
1049 public BitmapWorkerTask(ImageView imageView, int size) {
1050 imageViewReference = new WeakReference<>(imageView);
1051 this.size = size;
1052 }
1053
1054 @Override
1055 protected Bitmap doInBackground(Message... params) {
1056 this.message = params[0];
1057 return activity.avatarService().get(this.message, size, isCancelled());
1058 }
1059
1060 @Override
1061 protected void onPostExecute(Bitmap bitmap) {
1062 if (bitmap != null && !isCancelled()) {
1063 final ImageView imageView = imageViewReference.get();
1064 if (imageView != null) {
1065 imageView.setImageBitmap(bitmap);
1066 imageView.setBackgroundColor(0x00000000);
1067 }
1068 }
1069 }
1070 }
1071
1072 public void loadAvatar(Message message, ImageView imageView, int size) {
1073 if (cancelPotentialWork(message, imageView)) {
1074 final Bitmap bm = activity.avatarService().get(message, size, true);
1075 if (bm != null) {
1076 cancelPotentialWork(message, imageView);
1077 imageView.setImageBitmap(bm);
1078 imageView.setBackgroundColor(Color.TRANSPARENT);
1079 } else {
1080 @ColorInt int bg;
1081 if (message.getType() == Message.TYPE_STATUS && message.getCounterparts() != null && message.getCounterparts().size() > 1) {
1082 bg = Color.TRANSPARENT;
1083 } else {
1084 bg = UIHelper.getColorForName(UIHelper.getMessageDisplayName(message));
1085 }
1086 imageView.setBackgroundColor(bg);
1087 imageView.setImageDrawable(null);
1088 final BitmapWorkerTask task = new BitmapWorkerTask(imageView, size);
1089 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
1090 imageView.setImageDrawable(asyncDrawable);
1091 try {
1092 task.execute(message);
1093 } catch (final RejectedExecutionException ignored) {
1094 }
1095 }
1096 }
1097 }
1098
1099 public static boolean cancelPotentialWork(Message message, ImageView imageView) {
1100 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
1101
1102 if (bitmapWorkerTask != null) {
1103 final Message oldMessage = bitmapWorkerTask.message;
1104 if (oldMessage == null || message != oldMessage) {
1105 bitmapWorkerTask.cancel(true);
1106 } else {
1107 return false;
1108 }
1109 }
1110 return true;
1111 }
1112
1113 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
1114 if (imageView != null) {
1115 final Drawable drawable = imageView.getDrawable();
1116 if (drawable instanceof AsyncDrawable) {
1117 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
1118 return asyncDrawable.getBitmapWorkerTask();
1119 }
1120 }
1121 return null;
1122 }
1123
1124 static class AsyncDrawable extends BitmapDrawable {
1125 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
1126
1127 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
1128 super(res, bitmap);
1129 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
1130 }
1131
1132 public BitmapWorkerTask getBitmapWorkerTask() {
1133 return bitmapWorkerTaskReference.get();
1134 }
1135 }
1136}