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