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