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.support.v4.content.ContextCompat;
15import android.text.Spannable;
16import android.text.SpannableString;
17import android.text.SpannableStringBuilder;
18import android.text.Spanned;
19import android.text.style.ForegroundColorSpan;
20import android.text.style.RelativeSizeSpan;
21import android.text.style.StyleSpan;
22import android.text.util.Linkify;
23import android.util.DisplayMetrics;
24import android.view.ActionMode;
25import android.view.Menu;
26import android.view.MenuItem;
27import android.view.View;
28import android.view.View.OnClickListener;
29import android.view.View.OnLongClickListener;
30import android.view.ViewGroup;
31import android.widget.ArrayAdapter;
32import android.widget.Button;
33import android.widget.ImageView;
34import android.widget.LinearLayout;
35import android.widget.TextView;
36import android.widget.Toast;
37
38import java.lang.ref.WeakReference;
39import java.net.URL;
40import java.util.List;
41import java.util.Locale;
42import java.util.concurrent.RejectedExecutionException;
43import java.util.regex.Matcher;
44import java.util.regex.Pattern;
45
46import eu.siacs.conversations.Config;
47import eu.siacs.conversations.R;
48import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
49import eu.siacs.conversations.entities.Account;
50import eu.siacs.conversations.entities.Conversation;
51import eu.siacs.conversations.entities.DownloadableFile;
52import eu.siacs.conversations.entities.Message;
53import eu.siacs.conversations.entities.Message.FileParams;
54import eu.siacs.conversations.entities.Transferable;
55import eu.siacs.conversations.persistance.FileBackend;
56import eu.siacs.conversations.services.MessageArchiveService;
57import eu.siacs.conversations.services.NotificationService;
58import eu.siacs.conversations.ui.ConversationActivity;
59import eu.siacs.conversations.ui.text.DividerSpan;
60import eu.siacs.conversations.ui.text.QuoteSpan;
61import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
62import eu.siacs.conversations.ui.widget.CopyTextView;
63import eu.siacs.conversations.ui.widget.ListSelectionManager;
64import eu.siacs.conversations.utils.CryptoHelper;
65import eu.siacs.conversations.utils.GeoHelper;
66import eu.siacs.conversations.utils.Patterns;
67import eu.siacs.conversations.utils.UIHelper;
68import eu.siacs.conversations.xmpp.mam.MamReference;
69
70public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
71
72 private static final int SENT = 0;
73 private static final int RECEIVED = 1;
74 private static final int STATUS = 2;
75 private static final Pattern XMPP_PATTERN = Pattern
76 .compile("xmpp\\:(?:(?:["
77 + Patterns.GOOD_IRI_CHAR
78 + "\\;\\/\\?\\@\\&\\=\\#\\~\\-\\.\\+\\!\\*\\'\\(\\)\\,\\_])"
79 + "|(?:\\%[a-fA-F0-9]{2}))+");
80
81 private static final Linkify.TransformFilter WEBURL_TRANSFORM_FILTER = new Linkify.TransformFilter() {
82 @Override
83 public String transformUrl(Matcher matcher, String url) {
84 if (url == null) {
85 return null;
86 }
87 final String lcUrl = url.toLowerCase(Locale.US);
88 if (lcUrl.startsWith("http://") || lcUrl.startsWith("https://")) {
89 return url;
90 } else {
91 return "http://"+url;
92 }
93 }
94 };
95 private static final Linkify.MatchFilter WEBURL_MATCH_FILTER = new Linkify.MatchFilter() {
96 @Override
97 public boolean acceptMatch(CharSequence cs, int start, int end) {
98 return start < 1 || (cs.charAt(start-1) != '@' && cs.charAt(start-1) != '.' && !cs.subSequence(Math.max(0,start - 3),start).equals("://"));
99 }
100 };
101
102 private ConversationActivity activity;
103
104 private DisplayMetrics metrics;
105
106 private OnContactPictureClicked mOnContactPictureClickedListener;
107 private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
108
109 private boolean mIndicateReceived = false;
110 private boolean mUseGreenBackground = false;
111
112 private OnQuoteListener onQuoteListener;
113
114 private final ListSelectionManager listSelectionManager = new ListSelectionManager();
115
116 public MessageAdapter(ConversationActivity activity, List<Message> messages) {
117 super(activity, 0, messages);
118 this.activity = activity;
119 metrics = getContext().getResources().getDisplayMetrics();
120 updatePreferences();
121 }
122
123 public void setOnContactPictureClicked(OnContactPictureClicked listener) {
124 this.mOnContactPictureClickedListener = listener;
125 }
126
127 public void setOnContactPictureLongClicked(
128 OnContactPictureLongClicked listener) {
129 this.mOnContactPictureLongClickedListener = listener;
130 }
131
132 public void setOnQuoteListener(OnQuoteListener listener) {
133 this.onQuoteListener = listener;
134 }
135
136 @Override
137 public int getViewTypeCount() {
138 return 3;
139 }
140
141 public int getItemViewType(Message message) {
142 if (message.getType() == Message.TYPE_STATUS) {
143 return STATUS;
144 } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
145 return RECEIVED;
146 }
147
148 return SENT;
149 }
150
151 @Override
152 public int getItemViewType(int position) {
153 return this.getItemViewType(getItem(position));
154 }
155
156 private int getMessageTextColor(boolean onDark, boolean primary) {
157 if (onDark) {
158 return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
159 } else {
160 return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
161 }
162 }
163
164 private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
165 String filesize = null;
166 String info = null;
167 boolean error = false;
168 if (viewHolder.indicatorReceived != null) {
169 viewHolder.indicatorReceived.setVisibility(View.GONE);
170 }
171
172 if (viewHolder.edit_indicator != null) {
173 if (message.edited()) {
174 viewHolder.edit_indicator.setVisibility(View.VISIBLE);
175 viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
176 viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
177 } else {
178 viewHolder.edit_indicator.setVisibility(View.GONE);
179 }
180 }
181 boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
182 && message.getMergedStatus() <= Message.STATUS_RECEIVED;
183 if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getTransferable() != null) {
184 FileParams params = message.getFileParams();
185 if (params.size > (1.5 * 1024 * 1024)) {
186 filesize = params.size / (1024 * 1024)+ " MiB";
187 } else if (params.size >= 1024) {
188 filesize = params.size / 1024 + " KiB";
189 } else if (params.size > 0){
190 filesize = params.size + " B";
191 }
192 if (message.getTransferable() != null && message.getTransferable().getStatus() == Transferable.STATUS_FAILED) {
193 error = true;
194 }
195 }
196 switch (message.getMergedStatus()) {
197 case Message.STATUS_WAITING:
198 info = getContext().getString(R.string.waiting);
199 break;
200 case Message.STATUS_UNSEND:
201 Transferable d = message.getTransferable();
202 if (d!=null) {
203 info = getContext().getString(R.string.sending_file,d.getProgress());
204 } else {
205 info = getContext().getString(R.string.sending);
206 }
207 break;
208 case Message.STATUS_OFFERED:
209 info = getContext().getString(R.string.offering);
210 break;
211 case Message.STATUS_SEND_RECEIVED:
212 if (mIndicateReceived) {
213 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
214 }
215 break;
216 case Message.STATUS_SEND_DISPLAYED:
217 if (mIndicateReceived) {
218 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
219 }
220 break;
221 case Message.STATUS_SEND_FAILED:
222 info = getContext().getString(R.string.send_failed);
223 error = true;
224 break;
225 default:
226 if (multiReceived) {
227 info = UIHelper.getMessageDisplayName(message);
228 }
229 break;
230 }
231 if (error && type == SENT) {
232 viewHolder.time.setTextColor(activity.getWarningTextColor());
233 } else {
234 viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground,false));
235 }
236 if (message.getEncryption() == Message.ENCRYPTION_NONE) {
237 viewHolder.indicator.setVisibility(View.GONE);
238 } else {
239 boolean verified = false;
240 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
241 final FingerprintStatus status = message.getConversation()
242 .getAccount().getAxolotlService().getFingerprintTrust(
243 message.getFingerprint());
244 if (status != null && status.isVerified()) {
245 verified = true;
246 }
247 }
248 if (verified) {
249 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
250 } else {
251 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
252 }
253 if (darkBackground) {
254 viewHolder.indicator.setAlpha(0.7f);
255 } else {
256 viewHolder.indicator.setAlpha(0.57f);
257 }
258 viewHolder.indicator.setVisibility(View.VISIBLE);
259 }
260
261 String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(),
262 message.getMergedTimeSent());
263 if (message.getStatus() <= Message.STATUS_RECEIVED) {
264 if ((filesize != null) && (info != null)) {
265 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize +" \u00B7 " + info);
266 } else if ((filesize == null) && (info != null)) {
267 viewHolder.time.setText(formatedTime + " \u00B7 " + info);
268 } else if ((filesize != null) && (info == null)) {
269 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
270 } else {
271 viewHolder.time.setText(formatedTime);
272 }
273 } else {
274 if ((filesize != null) && (info != null)) {
275 viewHolder.time.setText(filesize + " \u00B7 " + info);
276 } else if ((filesize == null) && (info != null)) {
277 if (error) {
278 viewHolder.time.setText(info + " \u00B7 " + formatedTime);
279 } else {
280 viewHolder.time.setText(info);
281 }
282 } else if ((filesize != null) && (info == null)) {
283 viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
284 } else {
285 viewHolder.time.setText(formatedTime);
286 }
287 }
288 }
289
290 private void displayInfoMessage(ViewHolder viewHolder, String text, boolean darkBackground) {
291 if (viewHolder.download_button != null) {
292 viewHolder.download_button.setVisibility(View.GONE);
293 }
294 viewHolder.image.setVisibility(View.GONE);
295 viewHolder.messageBody.setVisibility(View.VISIBLE);
296 viewHolder.messageBody.setText(text);
297 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
298 viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
299 viewHolder.messageBody.setTextIsSelectable(false);
300 }
301
302 private void displayDecryptionFailed(ViewHolder viewHolder, boolean darkBackground) {
303 if (viewHolder.download_button != null) {
304 viewHolder.download_button.setVisibility(View.GONE);
305 }
306 viewHolder.image.setVisibility(View.GONE);
307 viewHolder.messageBody.setVisibility(View.VISIBLE);
308 viewHolder.messageBody.setText(getContext().getString(
309 R.string.decryption_failed));
310 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
311 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
312 viewHolder.messageBody.setTextIsSelectable(false);
313 }
314
315 private void displayHeartMessage(final ViewHolder viewHolder, final String body) {
316 if (viewHolder.download_button != null) {
317 viewHolder.download_button.setVisibility(View.GONE);
318 }
319 viewHolder.image.setVisibility(View.GONE);
320 viewHolder.messageBody.setVisibility(View.VISIBLE);
321 viewHolder.messageBody.setIncludeFontPadding(false);
322 Spannable span = new SpannableString(body);
323 span.setSpan(new RelativeSizeSpan(4.0f), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
324 span.setSpan(new ForegroundColorSpan(activity.getWarningTextColor()), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
325 viewHolder.messageBody.setText(span);
326 }
327
328 private int applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
329 if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
330 body.insert(start++, "\n");
331 body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
332 end++;
333 }
334 if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
335 body.insert(end, "\n");
336 body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
337 }
338 int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
339 : ContextCompat.getColor(activity, R.color.bubble);
340 DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
341 body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
342 return 0;
343 }
344
345 /**
346 * Applies QuoteSpan to group of lines which starts with > or » characters.
347 * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
348 */
349 private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
350 boolean startsWithQuote = false;
351 char previous = '\n';
352 int lineStart = -1;
353 int lineTextStart = -1;
354 int quoteStart = -1;
355 for (int i = 0; i <= body.length(); i++) {
356 char current = body.length() > i ? body.charAt(i) : '\n';
357 if (lineStart == -1) {
358 if (previous == '\n') {
359 if ((current == '>' && UIHelper.isPositionFollowedByQuoteableCharacter(body,i))
360 || current == '\u00bb' && !UIHelper.isPositionFollowedByQuote(body,i)) {
361 // Line start with quote
362 lineStart = i;
363 if (quoteStart == -1) quoteStart = i;
364 if (i == 0) startsWithQuote = true;
365 } else if (quoteStart >= 0) {
366 // Line start without quote, apply spans there
367 applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
368 quoteStart = -1;
369 }
370 }
371 } else {
372 // Remove extra spaces between > and first character in the line
373 // > character will be removed too
374 if (current != ' ' && lineTextStart == -1) {
375 lineTextStart = i;
376 }
377 if (current == '\n') {
378 body.delete(lineStart, lineTextStart);
379 i -= lineTextStart - lineStart;
380 if (i == lineStart) {
381 // Avoid empty lines because span over empty line can be hidden
382 body.insert(i++, " ");
383 }
384 lineStart = -1;
385 lineTextStart = -1;
386 }
387 }
388 previous = current;
389 }
390 if (quoteStart >= 0) {
391 // Apply spans to finishing open quote
392 applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
393 }
394 return startsWithQuote;
395 }
396
397 private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
398 if (viewHolder.download_button != null) {
399 viewHolder.download_button.setVisibility(View.GONE);
400 }
401 viewHolder.image.setVisibility(View.GONE);
402 viewHolder.messageBody.setVisibility(View.VISIBLE);
403 viewHolder.messageBody.setIncludeFontPadding(true);
404 if (message.getBody() != null) {
405 final String nick = UIHelper.getMessageDisplayName(message);
406 SpannableStringBuilder body = message.getMergedBody();
407 boolean hasMeCommand = message.hasMeCommand();
408 if (hasMeCommand) {
409 body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
410 }
411 if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
412 body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
413 body.append("\u2026");
414 }
415 Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
416 for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
417 int start = body.getSpanStart(mergeSeparator);
418 int end = body.getSpanEnd(mergeSeparator);
419 body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
420 }
421 boolean startsWithQuote = handleTextQuotes(body, darkBackground);
422 if (message.getType() != Message.TYPE_PRIVATE) {
423 if (hasMeCommand) {
424 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
425 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
426 }
427 } else {
428 String privateMarker;
429 if (message.getStatus() <= Message.STATUS_RECEIVED) {
430 privateMarker = activity.getString(R.string.private_message);
431 } else {
432 final String to;
433 if (message.getCounterpart() != null) {
434 to = message.getCounterpart().getResourcepart();
435 } else {
436 to = "";
437 }
438 privateMarker = activity.getString(R.string.private_message_to, to);
439 }
440 body.insert(0, privateMarker);
441 int privateMarkerIndex = privateMarker.length();
442 if (startsWithQuote) {
443 body.insert(privateMarkerIndex, "\n\n");
444 body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
445 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
446 } else {
447 body.insert(privateMarkerIndex, " ");
448 }
449 body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)),
450 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
451 body.setSpan(new StyleSpan(Typeface.BOLD),
452 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
453 if (hasMeCommand) {
454 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
455 privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
456 }
457 }
458 if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
459 Pattern pattern = NotificationService.generateNickHighlightPattern(message.getConversation().getMucOptions().getActualNick());
460 Matcher matcher = pattern.matcher(body);
461 while(matcher.find()) {
462 body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
463 }
464 }
465 Linkify.addLinks(body, XMPP_PATTERN, "xmpp");
466 Linkify.addLinks(body, Patterns.AUTOLINK_WEB_URL, "http", WEBURL_MATCH_FILTER, WEBURL_TRANSFORM_FILTER);
467 Linkify.addLinks(body, GeoHelper.GEO_URI, "geo");
468 viewHolder.messageBody.setAutoLinkMask(0);
469 viewHolder.messageBody.setText(body);
470 viewHolder.messageBody.setTextIsSelectable(true);
471 viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
472 listSelectionManager.onUpdate(viewHolder.messageBody, message);
473 } else {
474 viewHolder.messageBody.setText("");
475 viewHolder.messageBody.setTextIsSelectable(false);
476 }
477 viewHolder.messageBody.setTextColor(this.getMessageTextColor(darkBackground, true));
478 viewHolder.messageBody.setLinkTextColor(this.getMessageTextColor(darkBackground, true));
479 viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
480 ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
481 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
482 }
483
484 private void displayDownloadableMessage(ViewHolder viewHolder,
485 final Message message, String text) {
486 viewHolder.image.setVisibility(View.GONE);
487 viewHolder.messageBody.setVisibility(View.GONE);
488 viewHolder.download_button.setVisibility(View.VISIBLE);
489 viewHolder.download_button.setText(text);
490 viewHolder.download_button.setOnClickListener(new OnClickListener() {
491
492 @Override
493 public void onClick(View v) {
494 activity.startDownloadable(message);
495 }
496 });
497 }
498
499 private void displayOpenableMessage(ViewHolder viewHolder,final Message message) {
500 viewHolder.image.setVisibility(View.GONE);
501 viewHolder.messageBody.setVisibility(View.GONE);
502 viewHolder.download_button.setVisibility(View.VISIBLE);
503 viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
504 viewHolder.download_button.setOnClickListener(new OnClickListener() {
505
506 @Override
507 public void onClick(View v) {
508 openDownloadable(message);
509 }
510 });
511 }
512
513 private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
514 viewHolder.image.setVisibility(View.GONE);
515 viewHolder.messageBody.setVisibility(View.GONE);
516 viewHolder.download_button.setVisibility(View.VISIBLE);
517 viewHolder.download_button.setText(R.string.show_location);
518 viewHolder.download_button.setOnClickListener(new OnClickListener() {
519
520 @Override
521 public void onClick(View v) {
522 showLocation(message);
523 }
524 });
525 }
526
527 private void displayImageMessage(ViewHolder viewHolder,
528 final Message message) {
529 if (viewHolder.download_button != null) {
530 viewHolder.download_button.setVisibility(View.GONE);
531 }
532 viewHolder.messageBody.setVisibility(View.GONE);
533 viewHolder.image.setVisibility(View.VISIBLE);
534 FileParams params = message.getFileParams();
535 double target = metrics.density * 288;
536 int scaledW;
537 int scaledH;
538 if (Math.max(params.height, params.width) * metrics.density <= target) {
539 scaledW = (int) (params.width * metrics.density);
540 scaledH = (int) (params.height * metrics.density);
541 } else if (Math.max(params.height,params.width) <= target) {
542 scaledW = params.width;
543 scaledH = params.height;
544 } else if (params.width <= params.height) {
545 scaledW = (int) (params.width / ((double) params.height / target));
546 scaledH = (int) target;
547 } else {
548 scaledW = (int) target;
549 scaledH = (int) (params.height / ((double) params.width / target));
550 }
551 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
552 layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
553 viewHolder.image.setLayoutParams(layoutParams);
554 activity.loadBitmap(message, viewHolder.image);
555 viewHolder.image.setOnClickListener(new OnClickListener() {
556
557 @Override
558 public void onClick(View v) {
559 openDownloadable(message);
560 }
561 });
562 }
563
564 private void loadMoreMessages(Conversation conversation) {
565 conversation.setLastClearHistory(0,null);
566 activity.xmppConnectionService.updateConversation(conversation);
567 conversation.setHasMessagesLeftOnServer(true);
568 conversation.setFirstMamReference(null);
569 long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
570 if (timestamp == 0) {
571 timestamp = System.currentTimeMillis();
572 }
573 conversation.messagesLoaded.set(true);
574 MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
575 if (query != null) {
576 Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
577 } else {
578 Toast.makeText(activity,R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
579 }
580 }
581
582 @Override
583 public View getView(int position, View view, ViewGroup parent) {
584 final Message message = getItem(position);
585 final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
586 final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
587 final Conversation conversation = message.getConversation();
588 final Account account = conversation.getAccount();
589 final int type = getItemViewType(position);
590 ViewHolder viewHolder;
591 if (view == null) {
592 viewHolder = new ViewHolder();
593 switch (type) {
594 case SENT:
595 view = activity.getLayoutInflater().inflate(
596 R.layout.message_sent, parent, false);
597 viewHolder.message_box = (LinearLayout) view
598 .findViewById(R.id.message_box);
599 viewHolder.contact_picture = (ImageView) view
600 .findViewById(R.id.message_photo);
601 viewHolder.download_button = (Button) view
602 .findViewById(R.id.download_button);
603 viewHolder.indicator = (ImageView) view
604 .findViewById(R.id.security_indicator);
605 viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
606 viewHolder.image = (ImageView) view
607 .findViewById(R.id.message_image);
608 viewHolder.messageBody = (CopyTextView) view
609 .findViewById(R.id.message_body);
610 viewHolder.time = (TextView) view
611 .findViewById(R.id.message_time);
612 viewHolder.indicatorReceived = (ImageView) view
613 .findViewById(R.id.indicator_received);
614 break;
615 case RECEIVED:
616 view = activity.getLayoutInflater().inflate(
617 R.layout.message_received, parent, false);
618 viewHolder.message_box = (LinearLayout) view
619 .findViewById(R.id.message_box);
620 viewHolder.contact_picture = (ImageView) view
621 .findViewById(R.id.message_photo);
622 viewHolder.download_button = (Button) view
623 .findViewById(R.id.download_button);
624 viewHolder.indicator = (ImageView) view
625 .findViewById(R.id.security_indicator);
626 viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
627 viewHolder.image = (ImageView) view
628 .findViewById(R.id.message_image);
629 viewHolder.messageBody = (CopyTextView) view
630 .findViewById(R.id.message_body);
631 viewHolder.time = (TextView) view
632 .findViewById(R.id.message_time);
633 viewHolder.indicatorReceived = (ImageView) view
634 .findViewById(R.id.indicator_received);
635 viewHolder.encryption = (TextView) view.findViewById(R.id.message_encryption);
636 break;
637 case STATUS:
638 view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
639 viewHolder.contact_picture = (ImageView) view.findViewById(R.id.message_photo);
640 viewHolder.status_message = (TextView) view.findViewById(R.id.status_message);
641 viewHolder.load_more_messages = (Button) view.findViewById(R.id.load_more_messages);
642 break;
643 default:
644 viewHolder = null;
645 break;
646 }
647 if (viewHolder.messageBody != null) {
648 listSelectionManager.onCreate(viewHolder.messageBody,
649 new MessageBodyActionModeCallback(viewHolder.messageBody));
650 viewHolder.messageBody.setCopyHandler(this);
651 }
652 view.setTag(viewHolder);
653 } else {
654 viewHolder = (ViewHolder) view.getTag();
655 if (viewHolder == null) {
656 return view;
657 }
658 }
659
660 boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
661
662 if (type == STATUS) {
663 if ("LOAD_MORE".equals(message.getBody())) {
664 viewHolder.status_message.setVisibility(View.GONE);
665 viewHolder.contact_picture.setVisibility(View.GONE);
666 viewHolder.load_more_messages.setVisibility(View.VISIBLE);
667 viewHolder.load_more_messages.setOnClickListener(new OnClickListener() {
668 @Override
669 public void onClick(View v) {
670 loadMoreMessages(message.getConversation());
671 }
672 });
673 } else {
674 viewHolder.status_message.setVisibility(View.VISIBLE);
675 viewHolder.load_more_messages.setVisibility(View.GONE);
676 viewHolder.status_message.setText(message.getBody());
677 boolean showAvatar;
678 if (conversation.getMode() == Conversation.MODE_SINGLE) {
679 showAvatar = true;
680 loadAvatar(message,viewHolder.contact_picture,activity.getPixel(32));
681 } else if (message.getCounterpart() != null ){
682 showAvatar = true;
683 loadAvatar(message,viewHolder.contact_picture,activity.getPixel(32));
684 } else {
685 showAvatar = false;
686 }
687 if (showAvatar) {
688 viewHolder.contact_picture.setAlpha(0.5f);
689 viewHolder.contact_picture.setVisibility(View.VISIBLE);
690 } else {
691 viewHolder.contact_picture.setVisibility(View.GONE);
692 }
693 }
694 return view;
695 } else {
696 loadAvatar(message, viewHolder.contact_picture,activity.getPixel(48));
697 }
698
699 viewHolder.contact_picture
700 .setOnClickListener(new OnClickListener() {
701
702 @Override
703 public void onClick(View v) {
704 if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
705 MessageAdapter.this.mOnContactPictureClickedListener
706 .onContactPictureClicked(message);
707 }
708
709 }
710 });
711 viewHolder.contact_picture
712 .setOnLongClickListener(new OnLongClickListener() {
713
714 @Override
715 public boolean onLongClick(View v) {
716 if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
717 MessageAdapter.this.mOnContactPictureLongClickedListener
718 .onContactPictureLongClicked(message);
719 return true;
720 } else {
721 return false;
722 }
723 }
724 });
725
726 final Transferable transferable = message.getTransferable();
727 if (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING) {
728 if (transferable.getStatus() == Transferable.STATUS_OFFER) {
729 displayDownloadableMessage(viewHolder,message,activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
730 } else if (transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
731 displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
732 } else {
733 displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first,darkBackground);
734 }
735 } else if (message.getType() == Message.TYPE_IMAGE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
736 displayImageMessage(viewHolder, message);
737 } else if (message.getType() == Message.TYPE_FILE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
738 if (message.getFileParams().width > 0) {
739 displayImageMessage(viewHolder,message);
740 } else {
741 displayOpenableMessage(viewHolder, message);
742 }
743 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
744 if (account.isPgpDecryptionServiceConnected()) {
745 if (!account.hasPendingPgpIntent(conversation)) {
746 displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
747 } else {
748 displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
749 }
750 } else {
751 displayInfoMessage(viewHolder,activity.getString(R.string.install_openkeychain),darkBackground);
752 if (viewHolder != null) {
753 viewHolder.message_box
754 .setOnClickListener(new OnClickListener() {
755
756 @Override
757 public void onClick(View v) {
758 activity.showInstallPgpDialog();
759 }
760 });
761 }
762 }
763 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
764 displayDecryptionFailed(viewHolder,darkBackground);
765 } else {
766 if (GeoHelper.isGeoUri(message.getBody())) {
767 displayLocationMessage(viewHolder,message);
768 } else if (message.bodyIsHeart()) {
769 displayHeartMessage(viewHolder, message.getBody().trim());
770 } else if (message.treatAsDownloadable()) {
771 try {
772 URL url = new URL(message.getBody());
773 displayDownloadableMessage(viewHolder,
774 message,
775 activity.getString(R.string.check_x_filesize_on_host,
776 UIHelper.getFileDescriptionString(activity, message),
777 url.getHost()));
778 } catch (Exception e) {
779 displayDownloadableMessage(viewHolder,
780 message,
781 activity.getString(R.string.check_x_filesize,
782 UIHelper.getFileDescriptionString(activity, message)));
783 }
784 } else {
785 displayTextMessage(viewHolder, message, darkBackground, type);
786 }
787 }
788
789 if (type == RECEIVED) {
790 if(isInValidSession) {
791 int bubble;
792 if (!mUseGreenBackground) {
793 bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
794 } else {
795 bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
796 }
797 viewHolder.message_box.setBackgroundResource(bubble);
798 viewHolder.encryption.setVisibility(View.GONE);
799 } else {
800 viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
801 viewHolder.encryption.setVisibility(View.VISIBLE);
802 if (omemoEncryption && !message.isTrusted()) {
803 viewHolder.encryption.setText(R.string.not_trusted);
804 } else {
805 viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
806 }
807 }
808 }
809
810 displayStatus(viewHolder, message, type, darkBackground);
811
812 return view;
813 }
814
815 @Override
816 public void notifyDataSetChanged() {
817 listSelectionManager.onBeforeNotifyDataSetChanged();
818 super.notifyDataSetChanged();
819 listSelectionManager.onAfterNotifyDataSetChanged();
820 }
821
822 private String transformText(CharSequence text, int start, int end, boolean forCopy) {
823 SpannableStringBuilder builder = new SpannableStringBuilder(text);
824 Object copySpan = new Object();
825 builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
826 DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
827 for (DividerSpan dividerSpan : dividerSpans) {
828 builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
829 dividerSpan.isLarge() ? "\n\n" : "\n");
830 }
831 start = builder.getSpanStart(copySpan);
832 end = builder.getSpanEnd(copySpan);
833 if (start == -1 || end == -1) return "";
834 builder = new SpannableStringBuilder(builder, start, end);
835 if (forCopy) {
836 QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
837 for (QuoteSpan quoteSpan : quoteSpans) {
838 builder.insert(builder.getSpanStart(quoteSpan), "> ");
839 }
840 }
841 return builder.toString();
842 }
843
844 @Override
845 public String transformTextForCopy(CharSequence text, int start, int end) {
846 if (text instanceof Spanned) {
847 return transformText(text, start, end, true);
848 } else {
849 return text.toString().substring(start, end);
850 }
851 }
852
853 public interface OnQuoteListener {
854 public void onQuote(String text);
855 }
856
857 private class MessageBodyActionModeCallback implements ActionMode.Callback {
858
859 private final TextView textView;
860
861 public MessageBodyActionModeCallback(TextView textView) {
862 this.textView = textView;
863 }
864
865 @Override
866 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
867 if (onQuoteListener != null) {
868 int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
869 // 3rd item is placed after "copy" item
870 menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
871 .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
872 }
873 return false;
874 }
875
876 @Override
877 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
878 return false;
879 }
880
881 @Override
882 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
883 if (item.getItemId() == android.R.id.button1) {
884 int start = textView.getSelectionStart();
885 int end = textView.getSelectionEnd();
886 if (end > start) {
887 String text = transformText(textView.getText(), start, end, false);
888 if (onQuoteListener != null) {
889 onQuoteListener.onQuote(text);
890 }
891 mode.finish();
892 }
893 return true;
894 }
895 return false;
896 }
897
898 @Override
899 public void onDestroyActionMode(ActionMode mode) {}
900 }
901
902 public void openDownloadable(Message message) {
903 DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
904 if (!file.exists()) {
905 Toast.makeText(activity,R.string.file_deleted,Toast.LENGTH_SHORT).show();
906 return;
907 }
908 Intent openIntent = new Intent(Intent.ACTION_VIEW);
909 String mime = file.getMimeType();
910 if (mime == null) {
911 mime = "*/*";
912 }
913 Uri uri;
914 try {
915 uri = FileBackend.getUriForFile(activity, file);
916 } catch (SecurityException e) {
917 Toast.makeText(activity, activity.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
918 return;
919 }
920 openIntent.setDataAndType(uri, mime);
921 openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
922 PackageManager manager = activity.getPackageManager();
923 List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0);
924 if (info.size() == 0) {
925 openIntent.setDataAndType(uri,"*/*");
926 }
927 try {
928 getContext().startActivity(openIntent);
929 } catch (ActivityNotFoundException e) {
930 Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
931 }
932 }
933
934 public void showLocation(Message message) {
935 for(Intent intent : GeoHelper.createGeoIntentsFromMessage(message)) {
936 if (intent.resolveActivity(getContext().getPackageManager()) != null) {
937 getContext().startActivity(intent);
938 return;
939 }
940 }
941 Toast.makeText(activity,R.string.no_application_found_to_display_location,Toast.LENGTH_SHORT).show();
942 }
943
944 public void updatePreferences() {
945 this.mIndicateReceived = activity.indicateReceived();
946 this.mUseGreenBackground = activity.useGreenBackground();
947 }
948
949 public TextView getMessageBody(View view) {
950 final Object tag = view.getTag();
951 if (tag instanceof ViewHolder) {
952 final ViewHolder viewHolder = (ViewHolder) tag;
953 return viewHolder.messageBody;
954 }
955 return null;
956 }
957
958 public interface OnContactPictureClicked {
959 void onContactPictureClicked(Message message);
960 }
961
962 public interface OnContactPictureLongClicked {
963 void onContactPictureLongClicked(Message message);
964 }
965
966 private static class ViewHolder {
967
968 protected LinearLayout message_box;
969 protected Button download_button;
970 protected ImageView image;
971 protected ImageView indicator;
972 protected ImageView indicatorReceived;
973 protected TextView time;
974 protected CopyTextView messageBody;
975 protected ImageView contact_picture;
976 protected TextView status_message;
977 protected TextView encryption;
978 public Button load_more_messages;
979 public ImageView edit_indicator;
980 }
981
982 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
983 private final WeakReference<ImageView> imageViewReference;
984 private Message message = null;
985 private final int size;
986
987 public BitmapWorkerTask(ImageView imageView, int size) {
988 imageViewReference = new WeakReference<>(imageView);
989 this.size = size;
990 }
991
992 @Override
993 protected Bitmap doInBackground(Message... params) {
994 return activity.avatarService().get(params[0], size, isCancelled());
995 }
996
997 @Override
998 protected void onPostExecute(Bitmap bitmap) {
999 if (bitmap != null && !isCancelled()) {
1000 final ImageView imageView = imageViewReference.get();
1001 if (imageView != null) {
1002 imageView.setImageBitmap(bitmap);
1003 imageView.setBackgroundColor(0x00000000);
1004 }
1005 }
1006 }
1007 }
1008
1009 public void loadAvatar(Message message, ImageView imageView, int size) {
1010 if (cancelPotentialWork(message, imageView)) {
1011 final Bitmap bm = activity.avatarService().get(message, size, true);
1012 if (bm != null) {
1013 cancelPotentialWork(message, imageView);
1014 imageView.setImageBitmap(bm);
1015 imageView.setBackgroundColor(0x00000000);
1016 } else {
1017 imageView.setBackgroundColor(UIHelper.getColorForName(UIHelper.getMessageDisplayName(message)));
1018 imageView.setImageDrawable(null);
1019 final BitmapWorkerTask task = new BitmapWorkerTask(imageView, size);
1020 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
1021 imageView.setImageDrawable(asyncDrawable);
1022 try {
1023 task.execute(message);
1024 } catch (final RejectedExecutionException ignored) {
1025 }
1026 }
1027 }
1028 }
1029
1030 public static boolean cancelPotentialWork(Message message, ImageView imageView) {
1031 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
1032
1033 if (bitmapWorkerTask != null) {
1034 final Message oldMessage = bitmapWorkerTask.message;
1035 if (oldMessage == null || message != oldMessage) {
1036 bitmapWorkerTask.cancel(true);
1037 } else {
1038 return false;
1039 }
1040 }
1041 return true;
1042 }
1043
1044 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
1045 if (imageView != null) {
1046 final Drawable drawable = imageView.getDrawable();
1047 if (drawable instanceof AsyncDrawable) {
1048 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
1049 return asyncDrawable.getBitmapWorkerTask();
1050 }
1051 }
1052 return null;
1053 }
1054
1055 static class AsyncDrawable extends BitmapDrawable {
1056 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
1057
1058 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
1059 super(res, bitmap);
1060 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
1061 }
1062
1063 public BitmapWorkerTask getBitmapWorkerTask() {
1064 return bitmapWorkerTaskReference.get();
1065 }
1066 }
1067}