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.content.res.TypedArray;
9import android.graphics.Bitmap;
10import android.graphics.Typeface;
11import android.graphics.drawable.BitmapDrawable;
12import android.graphics.drawable.Drawable;
13import android.net.Uri;
14import android.os.AsyncTask;
15import android.os.Build;
16import android.support.v4.content.FileProvider;
17import android.text.Spannable;
18import android.text.SpannableString;
19import android.text.SpannableStringBuilder;
20import android.text.Spanned;
21import android.text.style.ForegroundColorSpan;
22import android.text.style.RelativeSizeSpan;
23import android.text.style.StyleSpan;
24import android.text.util.Linkify;
25import android.util.DisplayMetrics;
26import android.view.ActionMode;
27import android.view.Menu;
28import android.view.MenuItem;
29import android.view.View;
30import android.view.View.OnClickListener;
31import android.view.View.OnLongClickListener;
32import android.view.ViewGroup;
33import android.widget.ArrayAdapter;
34import android.widget.Button;
35import android.widget.ImageView;
36import android.widget.LinearLayout;
37import android.widget.TextView;
38import android.widget.Toast;
39
40import java.lang.ref.WeakReference;
41import java.net.URL;
42import java.util.List;
43import java.util.Locale;
44import java.util.concurrent.RejectedExecutionException;
45import java.util.regex.Matcher;
46import java.util.regex.Pattern;
47
48import eu.siacs.conversations.Config;
49import eu.siacs.conversations.R;
50import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
51import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
52import eu.siacs.conversations.entities.Account;
53import eu.siacs.conversations.entities.Conversation;
54import eu.siacs.conversations.entities.DownloadableFile;
55import eu.siacs.conversations.entities.Message;
56import eu.siacs.conversations.entities.Message.FileParams;
57import eu.siacs.conversations.entities.Transferable;
58import eu.siacs.conversations.persistance.FileBackend;
59import eu.siacs.conversations.ui.ConversationActivity;
60import eu.siacs.conversations.ui.text.DividerSpan;
61import eu.siacs.conversations.ui.text.QuoteSpan;
62import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
63import eu.siacs.conversations.ui.widget.CopyTextView;
64import eu.siacs.conversations.ui.widget.ListSelectionManager;
65import eu.siacs.conversations.utils.CryptoHelper;
66import eu.siacs.conversations.utils.GeoHelper;
67import eu.siacs.conversations.utils.Patterns;
68import eu.siacs.conversations.utils.UIHelper;
69
70public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
71
72 private static final int SENT = 0;
73 private static final int RECEIVED = 1;
74 private static final int STATUS = 2;
75 private static final Pattern XMPP_PATTERN = Pattern
76 .compile("xmpp\\:(?:(?:["
77 + Patterns.GOOD_IRI_CHAR
78 + "\\;\\/\\?\\@\\&\\=\\#\\~\\-\\.\\+\\!\\*\\'\\(\\)\\,\\_])"
79 + "|(?:\\%[a-fA-F0-9]{2}))+");
80
81 private static final Linkify.TransformFilter WEBURL_TRANSOFRM_FILTER = new Linkify.TransformFilter() {
82 @Override
83 public String transformUrl(Matcher matcher, String url) {
84 if (url == null) {
85 return null;
86 }
87 final String lcUrl = url.toLowerCase(Locale.US);
88 if (lcUrl.startsWith("http://") || lcUrl.startsWith("https://")) {
89 return url;
90 } else {
91 return "http://"+url;
92 }
93 }
94 };
95
96 private ConversationActivity activity;
97
98 private DisplayMetrics metrics;
99
100 private OnContactPictureClicked mOnContactPictureClickedListener;
101 private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
102
103 private boolean mIndicateReceived = false;
104 private boolean mUseGreenBackground = false;
105
106 private OnQuoteListener onQuoteListener;
107
108 private final ListSelectionManager listSelectionManager = new ListSelectionManager();
109
110 public MessageAdapter(ConversationActivity activity, List<Message> messages) {
111 super(activity, 0, messages);
112 this.activity = activity;
113 metrics = getContext().getResources().getDisplayMetrics();
114 updatePreferences();
115 }
116
117 public void setOnContactPictureClicked(OnContactPictureClicked listener) {
118 this.mOnContactPictureClickedListener = listener;
119 }
120
121 public void setOnContactPictureLongClicked(
122 OnContactPictureLongClicked listener) {
123 this.mOnContactPictureLongClickedListener = listener;
124 }
125
126 public void setOnQuoteListener(OnQuoteListener listener) {
127 this.onQuoteListener = listener;
128 }
129
130 @Override
131 public int getViewTypeCount() {
132 return 3;
133 }
134
135 public int getItemViewType(Message message) {
136 if (message.getType() == Message.TYPE_STATUS) {
137 return STATUS;
138 } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
139 return RECEIVED;
140 }
141
142 return SENT;
143 }
144
145 @Override
146 public int getItemViewType(int position) {
147 return this.getItemViewType(getItem(position));
148 }
149
150 private int getMessageTextColor(boolean onDark, boolean primary) {
151 if (onDark) {
152 return activity.getResources().getColor(primary ? R.color.white : R.color.white70);
153 } else {
154 return activity.getResources().getColor(primary ? R.color.black87 : R.color.black54);
155 }
156 }
157
158 private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground, boolean inValidSession) {
159 String filesize = null;
160 String info = null;
161 boolean error = false;
162 if (viewHolder.indicatorReceived != null) {
163 viewHolder.indicatorReceived.setVisibility(View.GONE);
164 }
165
166 if (viewHolder.edit_indicator != null) {
167 if (message.edited()) {
168 viewHolder.edit_indicator.setVisibility(View.VISIBLE);
169 viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
170 viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
171 } else {
172 viewHolder.edit_indicator.setVisibility(View.GONE);
173 }
174 }
175 boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
176 && message.getMergedStatus() <= Message.STATUS_RECEIVED;
177 if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getTransferable() != null) {
178 FileParams params = message.getFileParams();
179 if (params.size > (1.5 * 1024 * 1024)) {
180 filesize = params.size / (1024 * 1024)+ " MiB";
181 } else if (params.size > 0) {
182 filesize = params.size / 1024 + " KiB";
183 }
184 if (message.getTransferable() != null && message.getTransferable().getStatus() == Transferable.STATUS_FAILED) {
185 error = true;
186 }
187 }
188 switch (message.getMergedStatus()) {
189 case Message.STATUS_WAITING:
190 info = getContext().getString(R.string.waiting);
191 break;
192 case Message.STATUS_UNSEND:
193 Transferable d = message.getTransferable();
194 if (d!=null) {
195 info = getContext().getString(R.string.sending_file,d.getProgress());
196 } else {
197 info = getContext().getString(R.string.sending);
198 }
199 break;
200 case Message.STATUS_OFFERED:
201 info = getContext().getString(R.string.offering);
202 break;
203 case Message.STATUS_SEND_RECEIVED:
204 if (mIndicateReceived) {
205 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
206 }
207 break;
208 case Message.STATUS_SEND_DISPLAYED:
209 if (mIndicateReceived) {
210 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
211 }
212 break;
213 case Message.STATUS_SEND_FAILED:
214 info = getContext().getString(R.string.send_failed);
215 error = true;
216 break;
217 default:
218 if (multiReceived) {
219 info = UIHelper.getMessageDisplayName(message);
220 }
221 break;
222 }
223 if (error && type == SENT) {
224 viewHolder.time.setTextColor(activity.getWarningTextColor());
225 } else {
226 viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground,false));
227 }
228 if (message.getEncryption() == Message.ENCRYPTION_NONE) {
229 viewHolder.indicator.setVisibility(View.GONE);
230 } else {
231 boolean verified = false;
232 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
233 final FingerprintStatus status = message.getConversation()
234 .getAccount().getAxolotlService().getFingerprintTrust(
235 message.getFingerprint());
236 if (status != null && status.isVerified()) {
237 verified = true;
238 }
239 }
240 if (verified) {
241 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
242 } else {
243 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
244 }
245 if (darkBackground) {
246 viewHolder.indicator.setAlpha(0.7f);
247 } else {
248 viewHolder.indicator.setAlpha(0.57f);
249 }
250 viewHolder.indicator.setVisibility(View.VISIBLE);
251 }
252
253 String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(),
254 message.getMergedTimeSent());
255 if (message.getStatus() <= Message.STATUS_RECEIVED) {
256 if ((filesize != null) && (info != null)) {
257 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize +" \u00B7 " + info);
258 } else if ((filesize == null) && (info != null)) {
259 viewHolder.time.setText(formatedTime + " \u00B7 " + info);
260 } else if ((filesize != null) && (info == null)) {
261 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
262 } else {
263 viewHolder.time.setText(formatedTime);
264 }
265 } else {
266 if ((filesize != null) && (info != null)) {
267 viewHolder.time.setText(filesize + " \u00B7 " + info);
268 } else if ((filesize == null) && (info != null)) {
269 if (error) {
270 viewHolder.time.setText(info + " \u00B7 " + formatedTime);
271 } else {
272 viewHolder.time.setText(info);
273 }
274 } else if ((filesize != null) && (info == null)) {
275 viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
276 } else {
277 viewHolder.time.setText(formatedTime);
278 }
279 }
280 }
281
282 private void displayInfoMessage(ViewHolder viewHolder, String text, boolean darkBackground) {
283 if (viewHolder.download_button != null) {
284 viewHolder.download_button.setVisibility(View.GONE);
285 }
286 viewHolder.image.setVisibility(View.GONE);
287 viewHolder.messageBody.setVisibility(View.VISIBLE);
288 viewHolder.messageBody.setText(text);
289 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
290 viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
291 viewHolder.messageBody.setTextIsSelectable(false);
292 }
293
294 private void displayDecryptionFailed(ViewHolder viewHolder, boolean darkBackground) {
295 if (viewHolder.download_button != null) {
296 viewHolder.download_button.setVisibility(View.GONE);
297 }
298 viewHolder.image.setVisibility(View.GONE);
299 viewHolder.messageBody.setVisibility(View.VISIBLE);
300 viewHolder.messageBody.setText(getContext().getString(
301 R.string.decryption_failed));
302 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
303 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
304 viewHolder.messageBody.setTextIsSelectable(false);
305 }
306
307 private void displayHeartMessage(final ViewHolder viewHolder, final String body) {
308 if (viewHolder.download_button != null) {
309 viewHolder.download_button.setVisibility(View.GONE);
310 }
311 viewHolder.image.setVisibility(View.GONE);
312 viewHolder.messageBody.setVisibility(View.VISIBLE);
313 viewHolder.messageBody.setIncludeFontPadding(false);
314 Spannable span = new SpannableString(body);
315 span.setSpan(new RelativeSizeSpan(4.0f), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
316 span.setSpan(new ForegroundColorSpan(activity.getWarningTextColor()), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
317 viewHolder.messageBody.setText(span);
318 }
319
320 private int applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
321 if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
322 body.insert(start++, "\n");
323 body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
324 end++;
325 }
326 if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
327 body.insert(end, "\n");
328 body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
329 }
330 int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
331 : getContext().getResources().getColor(R.color.bubble);
332 DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
333 body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
334 return 0;
335 }
336
337 /**
338 * Applies QuoteSpan to group of lines which starts with > or » characters.
339 * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
340 */
341 private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
342 boolean startsWithQuote = false;
343 char previous = '\n';
344 int lineStart = -1;
345 int lineTextStart = -1;
346 int quoteStart = -1;
347 for (int i = 0; i <= body.length(); i++) {
348 char current = body.length() > i ? body.charAt(i) : '\n';
349 if (lineStart == -1) {
350 if (previous == '\n') {
351 if (current == '>' || current == '\u00bb') {
352 // Line start with quote
353 lineStart = i;
354 if (quoteStart == -1) quoteStart = i;
355 if (i == 0) startsWithQuote = true;
356 } else if (quoteStart >= 0) {
357 // Line start without quote, apply spans there
358 applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
359 quoteStart = -1;
360 }
361 }
362 } else {
363 // Remove extra spaces between > and first character in the line
364 // > character will be removed too
365 if (current != ' ' && lineTextStart == -1) {
366 lineTextStart = i;
367 }
368 if (current == '\n') {
369 body.delete(lineStart, lineTextStart);
370 i -= lineTextStart - lineStart;
371 if (i == lineStart) {
372 // Avoid empty lines because span over empty line can be hidden
373 body.insert(i++, " ");
374 }
375 lineStart = -1;
376 lineTextStart = -1;
377 }
378 }
379 previous = current;
380 }
381 if (quoteStart >= 0) {
382 // Apply spans to finishing open quote
383 applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
384 }
385 return startsWithQuote;
386 }
387
388 private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
389 if (viewHolder.download_button != null) {
390 viewHolder.download_button.setVisibility(View.GONE);
391 }
392 viewHolder.image.setVisibility(View.GONE);
393 viewHolder.messageBody.setVisibility(View.VISIBLE);
394 viewHolder.messageBody.setIncludeFontPadding(true);
395 if (message.getBody() != null) {
396 final String nick = UIHelper.getMessageDisplayName(message);
397 SpannableStringBuilder body = message.getMergedBody();
398 boolean hasMeCommand = message.hasMeCommand();
399 if (hasMeCommand) {
400 body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
401 }
402 if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
403 body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
404 body.append("\u2026");
405 }
406 Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
407 for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
408 int start = body.getSpanStart(mergeSeparator);
409 int end = body.getSpanEnd(mergeSeparator);
410 body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
411 }
412 boolean startsWithQuote = handleTextQuotes(body, darkBackground);
413 if (message.getType() != Message.TYPE_PRIVATE) {
414 if (hasMeCommand) {
415 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
416 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
417 }
418 } else {
419 String privateMarker;
420 if (message.getStatus() <= Message.STATUS_RECEIVED) {
421 privateMarker = activity.getString(R.string.private_message);
422 } else {
423 final String to;
424 if (message.getCounterpart() != null) {
425 to = message.getCounterpart().getResourcepart();
426 } else {
427 to = "";
428 }
429 privateMarker = activity.getString(R.string.private_message_to, to);
430 }
431 body.insert(0, privateMarker);
432 int privateMarkerIndex = privateMarker.length();
433 if (startsWithQuote) {
434 body.insert(privateMarkerIndex, "\n\n");
435 body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
436 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
437 } else {
438 body.insert(privateMarkerIndex, " ");
439 }
440 body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)),
441 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
442 body.setSpan(new StyleSpan(Typeface.BOLD),
443 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
444 if (hasMeCommand) {
445 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
446 privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
447 }
448 }
449 Linkify.addLinks(body, Patterns.AUTOLINK_WEB_URL, "http", null, WEBURL_TRANSOFRM_FILTER);
450 Linkify.addLinks(body, XMPP_PATTERN, "xmpp");
451 Linkify.addLinks(body, GeoHelper.GEO_URI, "geo");
452 viewHolder.messageBody.setAutoLinkMask(0);
453 viewHolder.messageBody.setText(body);
454 viewHolder.messageBody.setTextIsSelectable(true);
455 viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
456 listSelectionManager.onUpdate(viewHolder.messageBody, message);
457 } else {
458 viewHolder.messageBody.setText("");
459 viewHolder.messageBody.setTextIsSelectable(false);
460 }
461 viewHolder.messageBody.setTextColor(this.getMessageTextColor(darkBackground, true));
462 viewHolder.messageBody.setLinkTextColor(this.getMessageTextColor(darkBackground, true));
463 viewHolder.messageBody.setHighlightColor(activity.getResources().getColor(darkBackground
464 ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
465 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
466 }
467
468 private void displayDownloadableMessage(ViewHolder viewHolder,
469 final Message message, String text) {
470 viewHolder.image.setVisibility(View.GONE);
471 viewHolder.messageBody.setVisibility(View.GONE);
472 viewHolder.download_button.setVisibility(View.VISIBLE);
473 viewHolder.download_button.setText(text);
474 viewHolder.download_button.setOnClickListener(new OnClickListener() {
475
476 @Override
477 public void onClick(View v) {
478 activity.startDownloadable(message);
479 }
480 });
481 }
482
483 private void displayOpenableMessage(ViewHolder viewHolder,final Message message) {
484 viewHolder.image.setVisibility(View.GONE);
485 viewHolder.messageBody.setVisibility(View.GONE);
486 viewHolder.download_button.setVisibility(View.VISIBLE);
487 viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
488 viewHolder.download_button.setOnClickListener(new OnClickListener() {
489
490 @Override
491 public void onClick(View v) {
492 openDownloadable(message);
493 }
494 });
495 }
496
497 private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
498 viewHolder.image.setVisibility(View.GONE);
499 viewHolder.messageBody.setVisibility(View.GONE);
500 viewHolder.download_button.setVisibility(View.VISIBLE);
501 viewHolder.download_button.setText(R.string.show_location);
502 viewHolder.download_button.setOnClickListener(new OnClickListener() {
503
504 @Override
505 public void onClick(View v) {
506 showLocation(message);
507 }
508 });
509 }
510
511 private void displayImageMessage(ViewHolder viewHolder,
512 final Message message) {
513 if (viewHolder.download_button != null) {
514 viewHolder.download_button.setVisibility(View.GONE);
515 }
516 viewHolder.messageBody.setVisibility(View.GONE);
517 viewHolder.image.setVisibility(View.VISIBLE);
518 FileParams params = message.getFileParams();
519 double target = metrics.density * 288;
520 int scaledW;
521 int scaledH;
522 if (Math.max(params.height, params.width) * metrics.density <= target) {
523 scaledW = (int) (params.width * metrics.density);
524 scaledH = (int) (params.height * metrics.density);
525 } else if (Math.max(params.height,params.width) <= target) {
526 scaledW = params.width;
527 scaledH = params.height;
528 } else if (params.width <= params.height) {
529 scaledW = (int) (params.width / ((double) params.height / target));
530 scaledH = (int) target;
531 } else {
532 scaledW = (int) target;
533 scaledH = (int) (params.height / ((double) params.width / target));
534 }
535 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
536 layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
537 viewHolder.image.setLayoutParams(layoutParams);
538 activity.loadBitmap(message, viewHolder.image);
539 viewHolder.image.setOnClickListener(new OnClickListener() {
540
541 @Override
542 public void onClick(View v) {
543 openDownloadable(message);
544 }
545 });
546 }
547
548 private void loadMoreMessages(Conversation conversation) {
549 conversation.setLastClearHistory(0);
550 activity.xmppConnectionService.updateConversation(conversation);
551 conversation.setHasMessagesLeftOnServer(true);
552 conversation.setFirstMamReference(null);
553 long timestamp = conversation.getLastMessageTransmitted();
554 if (timestamp == 0) {
555 timestamp = System.currentTimeMillis();
556 }
557 activity.setMessagesLoaded();
558 activity.xmppConnectionService.getMessageArchiveService().query(conversation, 0, timestamp);
559 Toast.makeText(activity, R.string.fetching_history_from_server,Toast.LENGTH_LONG).show();
560 }
561
562 @Override
563 public View getView(int position, View view, ViewGroup parent) {
564 final Message message = getItem(position);
565 final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
566 final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
567 final Conversation conversation = message.getConversation();
568 final Account account = conversation.getAccount();
569 final int type = getItemViewType(position);
570 ViewHolder viewHolder;
571 if (view == null) {
572 viewHolder = new ViewHolder();
573 switch (type) {
574 case SENT:
575 view = activity.getLayoutInflater().inflate(
576 R.layout.message_sent, parent, false);
577 viewHolder.message_box = (LinearLayout) view
578 .findViewById(R.id.message_box);
579 viewHolder.contact_picture = (ImageView) view
580 .findViewById(R.id.message_photo);
581 viewHolder.download_button = (Button) view
582 .findViewById(R.id.download_button);
583 viewHolder.indicator = (ImageView) view
584 .findViewById(R.id.security_indicator);
585 viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
586 viewHolder.image = (ImageView) view
587 .findViewById(R.id.message_image);
588 viewHolder.messageBody = (CopyTextView) view
589 .findViewById(R.id.message_body);
590 viewHolder.time = (TextView) view
591 .findViewById(R.id.message_time);
592 viewHolder.indicatorReceived = (ImageView) view
593 .findViewById(R.id.indicator_received);
594 break;
595 case RECEIVED:
596 view = activity.getLayoutInflater().inflate(
597 R.layout.message_received, parent, false);
598 viewHolder.message_box = (LinearLayout) view
599 .findViewById(R.id.message_box);
600 viewHolder.contact_picture = (ImageView) view
601 .findViewById(R.id.message_photo);
602 viewHolder.download_button = (Button) view
603 .findViewById(R.id.download_button);
604 viewHolder.indicator = (ImageView) view
605 .findViewById(R.id.security_indicator);
606 viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
607 viewHolder.image = (ImageView) view
608 .findViewById(R.id.message_image);
609 viewHolder.messageBody = (CopyTextView) view
610 .findViewById(R.id.message_body);
611 viewHolder.time = (TextView) view
612 .findViewById(R.id.message_time);
613 viewHolder.indicatorReceived = (ImageView) view
614 .findViewById(R.id.indicator_received);
615 viewHolder.encryption = (TextView) view.findViewById(R.id.message_encryption);
616 break;
617 case STATUS:
618 view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
619 viewHolder.contact_picture = (ImageView) view.findViewById(R.id.message_photo);
620 viewHolder.status_message = (TextView) view.findViewById(R.id.status_message);
621 viewHolder.load_more_messages = (Button) view.findViewById(R.id.load_more_messages);
622 break;
623 default:
624 viewHolder = null;
625 break;
626 }
627 if (viewHolder.messageBody != null) {
628 listSelectionManager.onCreate(viewHolder.messageBody,
629 new MessageBodyActionModeCallback(viewHolder.messageBody));
630 viewHolder.messageBody.setCopyHandler(this);
631 }
632 view.setTag(viewHolder);
633 } else {
634 viewHolder = (ViewHolder) view.getTag();
635 if (viewHolder == null) {
636 return view;
637 }
638 }
639
640 boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
641
642 if (type == STATUS) {
643 if ("LOAD_MORE".equals(message.getBody())) {
644 viewHolder.status_message.setVisibility(View.GONE);
645 viewHolder.contact_picture.setVisibility(View.GONE);
646 viewHolder.load_more_messages.setVisibility(View.VISIBLE);
647 viewHolder.load_more_messages.setOnClickListener(new OnClickListener() {
648 @Override
649 public void onClick(View v) {
650 loadMoreMessages(message.getConversation());
651 }
652 });
653 } else {
654 viewHolder.status_message.setVisibility(View.VISIBLE);
655 viewHolder.contact_picture.setVisibility(View.VISIBLE);
656 viewHolder.load_more_messages.setVisibility(View.GONE);
657 if (conversation.getMode() == Conversation.MODE_SINGLE) {
658 viewHolder.contact_picture.setImageBitmap(activity
659 .avatarService().get(conversation.getContact(),
660 activity.getPixel(32)));
661 viewHolder.contact_picture.setAlpha(0.5f);
662 }
663 viewHolder.status_message.setText(message.getBody());
664 }
665 return view;
666 } else {
667 loadAvatar(message, viewHolder.contact_picture);
668 }
669
670 viewHolder.contact_picture
671 .setOnClickListener(new OnClickListener() {
672
673 @Override
674 public void onClick(View v) {
675 if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
676 MessageAdapter.this.mOnContactPictureClickedListener
677 .onContactPictureClicked(message);
678 }
679
680 }
681 });
682 viewHolder.contact_picture
683 .setOnLongClickListener(new OnLongClickListener() {
684
685 @Override
686 public boolean onLongClick(View v) {
687 if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
688 MessageAdapter.this.mOnContactPictureLongClickedListener
689 .onContactPictureLongClicked(message);
690 return true;
691 } else {
692 return false;
693 }
694 }
695 });
696
697 final Transferable transferable = message.getTransferable();
698 if (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING) {
699 if (transferable.getStatus() == Transferable.STATUS_OFFER) {
700 displayDownloadableMessage(viewHolder,message,activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
701 } else if (transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
702 displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
703 } else {
704 displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first,darkBackground);
705 }
706 } else if (message.getType() == Message.TYPE_IMAGE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
707 displayImageMessage(viewHolder, message);
708 } else if (message.getType() == Message.TYPE_FILE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
709 if (message.getFileParams().width > 0) {
710 displayImageMessage(viewHolder,message);
711 } else {
712 displayOpenableMessage(viewHolder, message);
713 }
714 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
715 if (account.isPgpDecryptionServiceConnected()) {
716 if (!account.hasPendingPgpIntent(conversation)) {
717 displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
718 } else {
719 displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
720 }
721 } else {
722 displayInfoMessage(viewHolder,activity.getString(R.string.install_openkeychain),darkBackground);
723 if (viewHolder != null) {
724 viewHolder.message_box
725 .setOnClickListener(new OnClickListener() {
726
727 @Override
728 public void onClick(View v) {
729 activity.showInstallPgpDialog();
730 }
731 });
732 }
733 }
734 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
735 displayDecryptionFailed(viewHolder,darkBackground);
736 } else {
737 if (GeoHelper.isGeoUri(message.getBody())) {
738 displayLocationMessage(viewHolder,message);
739 } else if (message.bodyIsHeart()) {
740 displayHeartMessage(viewHolder, message.getBody().trim());
741 } else if (message.treatAsDownloadable() == Message.Decision.MUST) {
742 try {
743 URL url = new URL(message.getBody());
744 displayDownloadableMessage(viewHolder,
745 message,
746 activity.getString(R.string.check_x_filesize_on_host,
747 UIHelper.getFileDescriptionString(activity, message),
748 url.getHost()));
749 } catch (Exception e) {
750 displayDownloadableMessage(viewHolder,
751 message,
752 activity.getString(R.string.check_x_filesize,
753 UIHelper.getFileDescriptionString(activity, message)));
754 }
755 } else {
756 displayTextMessage(viewHolder, message, darkBackground, type);
757 }
758 }
759
760 if (type == RECEIVED) {
761 if(isInValidSession) {
762 int bubble;
763 if (!mUseGreenBackground) {
764 bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
765 } else {
766 bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
767 }
768 viewHolder.message_box.setBackgroundResource(bubble);
769 viewHolder.encryption.setVisibility(View.GONE);
770 } else {
771 viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
772 viewHolder.encryption.setVisibility(View.VISIBLE);
773 if (omemoEncryption && !message.isTrusted()) {
774 viewHolder.encryption.setText(R.string.not_trusted);
775 } else {
776 viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
777 }
778 }
779 }
780
781 displayStatus(viewHolder, message, type, darkBackground, isInValidSession);
782
783 return view;
784 }
785
786 @Override
787 public void notifyDataSetChanged() {
788 listSelectionManager.onBeforeNotifyDataSetChanged();
789 super.notifyDataSetChanged();
790 listSelectionManager.onAfterNotifyDataSetChanged();
791 }
792
793 private String transformText(CharSequence text, int start, int end, boolean forCopy) {
794 SpannableStringBuilder builder = new SpannableStringBuilder(text);
795 Object copySpan = new Object();
796 builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
797 DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
798 for (DividerSpan dividerSpan : dividerSpans) {
799 builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
800 dividerSpan.isLarge() ? "\n\n" : "\n");
801 }
802 start = builder.getSpanStart(copySpan);
803 end = builder.getSpanEnd(copySpan);
804 if (start == -1 || end == -1) return "";
805 builder = new SpannableStringBuilder(builder, start, end);
806 if (forCopy) {
807 QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
808 for (QuoteSpan quoteSpan : quoteSpans) {
809 builder.insert(builder.getSpanStart(quoteSpan), "> ");
810 }
811 }
812 return builder.toString();
813 }
814
815 @Override
816 public String transformTextForCopy(CharSequence text, int start, int end) {
817 if (text instanceof Spanned) {
818 return transformText(text, start, end, true);
819 } else {
820 return text.toString().substring(start, end);
821 }
822 }
823
824 public interface OnQuoteListener {
825 public void onQuote(String text);
826 }
827
828 private class MessageBodyActionModeCallback implements ActionMode.Callback {
829
830 private final TextView textView;
831
832 public MessageBodyActionModeCallback(TextView textView) {
833 this.textView = textView;
834 }
835
836 @Override
837 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
838 if (onQuoteListener != null) {
839 int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
840 // 3rd item is placed after "copy" item
841 menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
842 .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
843 }
844 return false;
845 }
846
847 @Override
848 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
849 return false;
850 }
851
852 @Override
853 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
854 if (item.getItemId() == android.R.id.button1) {
855 int start = textView.getSelectionStart();
856 int end = textView.getSelectionEnd();
857 if (end > start) {
858 String text = transformText(textView.getText(), start, end, false);
859 if (onQuoteListener != null) {
860 onQuoteListener.onQuote(text);
861 }
862 mode.finish();
863 }
864 return true;
865 }
866 return false;
867 }
868
869 @Override
870 public void onDestroyActionMode(ActionMode mode) {}
871 }
872
873 public void openDownloadable(Message message) {
874 DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
875 if (!file.exists()) {
876 Toast.makeText(activity,R.string.file_deleted,Toast.LENGTH_SHORT).show();
877 return;
878 }
879 Intent openIntent = new Intent(Intent.ACTION_VIEW);
880 String mime = file.getMimeType();
881 if (mime == null) {
882 mime = "*/*";
883 }
884 Uri uri;
885 try {
886 uri = FileBackend.getUriForFile(activity, file);
887 } catch (SecurityException e) {
888 Toast.makeText(activity, activity.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
889 return;
890 }
891 openIntent.setDataAndType(uri, mime);
892 openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
893 PackageManager manager = activity.getPackageManager();
894 List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0);
895 if (info.size() == 0) {
896 openIntent.setDataAndType(uri,"*/*");
897 }
898 try {
899 getContext().startActivity(openIntent);
900 } catch (ActivityNotFoundException e) {
901 Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
902 }
903 }
904
905 public void showLocation(Message message) {
906 for(Intent intent : GeoHelper.createGeoIntentsFromMessage(message)) {
907 if (intent.resolveActivity(getContext().getPackageManager()) != null) {
908 getContext().startActivity(intent);
909 return;
910 }
911 }
912 Toast.makeText(activity,R.string.no_application_found_to_display_location,Toast.LENGTH_SHORT).show();
913 }
914
915 public void updatePreferences() {
916 this.mIndicateReceived = activity.indicateReceived();
917 this.mUseGreenBackground = activity.useGreenBackground();
918 }
919
920 public TextView getMessageBody(View view) {
921 final Object tag = view.getTag();
922 if (tag instanceof ViewHolder) {
923 final ViewHolder viewHolder = (ViewHolder) tag;
924 return viewHolder.messageBody;
925 }
926 return null;
927 }
928
929 public interface OnContactPictureClicked {
930 void onContactPictureClicked(Message message);
931 }
932
933 public interface OnContactPictureLongClicked {
934 void onContactPictureLongClicked(Message message);
935 }
936
937 private static class ViewHolder {
938
939 protected LinearLayout message_box;
940 protected Button download_button;
941 protected ImageView image;
942 protected ImageView indicator;
943 protected ImageView indicatorReceived;
944 protected TextView time;
945 protected CopyTextView messageBody;
946 protected ImageView contact_picture;
947 protected TextView status_message;
948 protected TextView encryption;
949 public Button load_more_messages;
950 public ImageView edit_indicator;
951 }
952
953 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
954 private final WeakReference<ImageView> imageViewReference;
955 private Message message = null;
956
957 public BitmapWorkerTask(ImageView imageView) {
958 imageViewReference = new WeakReference<>(imageView);
959 }
960
961 @Override
962 protected Bitmap doInBackground(Message... params) {
963 return activity.avatarService().get(params[0], activity.getPixel(48), isCancelled());
964 }
965
966 @Override
967 protected void onPostExecute(Bitmap bitmap) {
968 if (bitmap != null && !isCancelled()) {
969 final ImageView imageView = imageViewReference.get();
970 if (imageView != null) {
971 imageView.setImageBitmap(bitmap);
972 imageView.setBackgroundColor(0x00000000);
973 }
974 }
975 }
976 }
977
978 public void loadAvatar(Message message, ImageView imageView) {
979 if (cancelPotentialWork(message, imageView)) {
980 final Bitmap bm = activity.avatarService().get(message, activity.getPixel(48), true);
981 if (bm != null) {
982 cancelPotentialWork(message, imageView);
983 imageView.setImageBitmap(bm);
984 imageView.setBackgroundColor(0x00000000);
985 } else {
986 imageView.setBackgroundColor(UIHelper.getColorForName(UIHelper.getMessageDisplayName(message)));
987 imageView.setImageDrawable(null);
988 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
989 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
990 imageView.setImageDrawable(asyncDrawable);
991 try {
992 task.execute(message);
993 } catch (final RejectedExecutionException ignored) {
994 }
995 }
996 }
997 }
998
999 public static boolean cancelPotentialWork(Message message, ImageView imageView) {
1000 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
1001
1002 if (bitmapWorkerTask != null) {
1003 final Message oldMessage = bitmapWorkerTask.message;
1004 if (oldMessage == null || message != oldMessage) {
1005 bitmapWorkerTask.cancel(true);
1006 } else {
1007 return false;
1008 }
1009 }
1010 return true;
1011 }
1012
1013 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
1014 if (imageView != null) {
1015 final Drawable drawable = imageView.getDrawable();
1016 if (drawable instanceof AsyncDrawable) {
1017 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
1018 return asyncDrawable.getBitmapWorkerTask();
1019 }
1020 }
1021 return null;
1022 }
1023
1024 static class AsyncDrawable extends BitmapDrawable {
1025 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
1026
1027 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
1028 super(res, bitmap);
1029 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
1030 }
1031
1032 public BitmapWorkerTask getBitmapWorkerTask() {
1033 return bitmapWorkerTaskReference.get();
1034 }
1035 }
1036}