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