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