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