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.util.Patterns;
27import android.view.ActionMode;
28import android.view.Menu;
29import android.view.MenuItem;
30import android.view.View;
31import android.view.View.OnClickListener;
32import android.view.View.OnLongClickListener;
33import android.view.ViewGroup;
34import android.widget.ArrayAdapter;
35import android.widget.Button;
36import android.widget.ImageView;
37import android.widget.LinearLayout;
38import android.widget.TextView;
39import android.widget.Toast;
40
41import java.lang.ref.WeakReference;
42import java.net.URL;
43import java.util.List;
44import java.util.concurrent.RejectedExecutionException;
45import java.util.regex.Pattern;
46
47import eu.siacs.conversations.Config;
48import eu.siacs.conversations.R;
49import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
50import eu.siacs.conversations.crypto.axolotl.XmppAxolotlSession;
51import eu.siacs.conversations.entities.Account;
52import eu.siacs.conversations.entities.Conversation;
53import eu.siacs.conversations.entities.DownloadableFile;
54import eu.siacs.conversations.entities.Message;
55import eu.siacs.conversations.entities.Message.FileParams;
56import eu.siacs.conversations.entities.Transferable;
57import eu.siacs.conversations.persistance.FileBackend;
58import eu.siacs.conversations.ui.ConversationActivity;
59import eu.siacs.conversations.ui.text.DividerSpan;
60import eu.siacs.conversations.ui.text.QuoteSpan;
61import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
62import eu.siacs.conversations.ui.widget.CopyTextView;
63import eu.siacs.conversations.ui.widget.ListSelectionManager;
64import eu.siacs.conversations.utils.CryptoHelper;
65import eu.siacs.conversations.utils.GeoHelper;
66import eu.siacs.conversations.utils.UIHelper;
67
68public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
69
70 private static final int SENT = 0;
71 private static final int RECEIVED = 1;
72 private static final int STATUS = 2;
73 private static final Pattern XMPP_PATTERN = Pattern
74 .compile("xmpp\\:(?:(?:["
75 + Patterns.GOOD_IRI_CHAR
76 + "\\;\\/\\?\\@\\&\\=\\#\\~\\-\\.\\+\\!\\*\\'\\(\\)\\,\\_])"
77 + "|(?:\\%[a-fA-F0-9]{2}))+");
78
79 private ConversationActivity activity;
80
81 private DisplayMetrics metrics;
82
83 private OnContactPictureClicked mOnContactPictureClickedListener;
84 private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
85
86 private boolean mIndicateReceived = false;
87 private boolean mUseGreenBackground = false;
88
89 private OnQuoteListener onQuoteListener;
90
91 private final ListSelectionManager listSelectionManager = new ListSelectionManager();
92
93 public MessageAdapter(ConversationActivity activity, List<Message> messages) {
94 super(activity, 0, messages);
95 this.activity = activity;
96 metrics = getContext().getResources().getDisplayMetrics();
97 updatePreferences();
98 }
99
100 public void setOnContactPictureClicked(OnContactPictureClicked listener) {
101 this.mOnContactPictureClickedListener = listener;
102 }
103
104 public void setOnContactPictureLongClicked(
105 OnContactPictureLongClicked listener) {
106 this.mOnContactPictureLongClickedListener = listener;
107 }
108
109 public void setOnQuoteListener(OnQuoteListener listener) {
110 this.onQuoteListener = listener;
111 }
112
113 @Override
114 public int getViewTypeCount() {
115 return 3;
116 }
117
118 public int getItemViewType(Message message) {
119 if (message.getType() == Message.TYPE_STATUS) {
120 return STATUS;
121 } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
122 return RECEIVED;
123 }
124
125 return SENT;
126 }
127
128 @Override
129 public int getItemViewType(int position) {
130 return this.getItemViewType(getItem(position));
131 }
132
133 private int getMessageTextColor(boolean onDark, boolean primary) {
134 if (onDark) {
135 return activity.getResources().getColor(primary ? R.color.white : R.color.white70);
136 } else {
137 return activity.getResources().getColor(primary ? R.color.black87 : R.color.black54);
138 }
139 }
140
141 private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
142 String filesize = null;
143 String info = null;
144 boolean error = false;
145 if (viewHolder.indicatorReceived != null) {
146 viewHolder.indicatorReceived.setVisibility(View.GONE);
147 }
148
149 if (viewHolder.edit_indicator != null) {
150 if (message.edited()) {
151 viewHolder.edit_indicator.setVisibility(View.VISIBLE);
152 viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
153 viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
154 } else {
155 viewHolder.edit_indicator.setVisibility(View.GONE);
156 }
157 }
158 boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
159 && message.getMergedStatus() <= Message.STATUS_RECEIVED;
160 if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getTransferable() != null) {
161 FileParams params = message.getFileParams();
162 if (params.size > (1.5 * 1024 * 1024)) {
163 filesize = params.size / (1024 * 1024)+ " MiB";
164 } else if (params.size > 0) {
165 filesize = params.size / 1024 + " KiB";
166 }
167 if (message.getTransferable() != null && message.getTransferable().getStatus() == Transferable.STATUS_FAILED) {
168 error = true;
169 }
170 }
171 switch (message.getMergedStatus()) {
172 case Message.STATUS_WAITING:
173 info = getContext().getString(R.string.waiting);
174 break;
175 case Message.STATUS_UNSEND:
176 Transferable d = message.getTransferable();
177 if (d!=null) {
178 info = getContext().getString(R.string.sending_file,d.getProgress());
179 } else {
180 info = getContext().getString(R.string.sending);
181 }
182 break;
183 case Message.STATUS_OFFERED:
184 info = getContext().getString(R.string.offering);
185 break;
186 case Message.STATUS_SEND_RECEIVED:
187 if (mIndicateReceived) {
188 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
189 }
190 break;
191 case Message.STATUS_SEND_DISPLAYED:
192 if (mIndicateReceived) {
193 viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
194 }
195 break;
196 case Message.STATUS_SEND_FAILED:
197 info = getContext().getString(R.string.send_failed);
198 error = true;
199 break;
200 default:
201 if (multiReceived) {
202 info = UIHelper.getMessageDisplayName(message);
203 }
204 break;
205 }
206 if (error && type == SENT) {
207 viewHolder.time.setTextColor(activity.getWarningTextColor());
208 } else {
209 viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground,false));
210 }
211 if (message.getEncryption() == Message.ENCRYPTION_NONE) {
212 viewHolder.indicator.setVisibility(View.GONE);
213 } else {
214 viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
215 viewHolder.indicator.setVisibility(View.VISIBLE);
216 if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
217 FingerprintStatus status = message.getConversation()
218 .getAccount().getAxolotlService().getFingerprintTrust(
219 message.getFingerprint());
220
221 if(status == null || (!status.isTrustedAndActive())) {
222 viewHolder.indicator.setColorFilter(activity.getWarningTextColor());
223 viewHolder.indicator.setAlpha(1.0f);
224 } else {
225 viewHolder.indicator.clearColorFilter();
226 if (darkBackground) {
227 viewHolder.indicator.setAlpha(0.7f);
228 } else {
229 viewHolder.indicator.setAlpha(0.57f);
230 }
231 }
232 } else {
233 viewHolder.indicator.clearColorFilter();
234 if (darkBackground) {
235 viewHolder.indicator.setAlpha(0.7f);
236 } else {
237 viewHolder.indicator.setAlpha(0.57f);
238 }
239 }
240 }
241
242 String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(),
243 message.getMergedTimeSent());
244 if (message.getStatus() <= Message.STATUS_RECEIVED) {
245 if ((filesize != null) && (info != null)) {
246 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize +" \u00B7 " + info);
247 } else if ((filesize == null) && (info != null)) {
248 viewHolder.time.setText(formatedTime + " \u00B7 " + info);
249 } else if ((filesize != null) && (info == null)) {
250 viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
251 } else {
252 viewHolder.time.setText(formatedTime);
253 }
254 } else {
255 if ((filesize != null) && (info != null)) {
256 viewHolder.time.setText(filesize + " \u00B7 " + info);
257 } else if ((filesize == null) && (info != null)) {
258 if (error) {
259 viewHolder.time.setText(info + " \u00B7 " + formatedTime);
260 } else {
261 viewHolder.time.setText(info);
262 }
263 } else if ((filesize != null) && (info == null)) {
264 viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
265 } else {
266 viewHolder.time.setText(formatedTime);
267 }
268 }
269 }
270
271 private void displayInfoMessage(ViewHolder viewHolder, String text, boolean darkBackground) {
272 if (viewHolder.download_button != null) {
273 viewHolder.download_button.setVisibility(View.GONE);
274 }
275 viewHolder.image.setVisibility(View.GONE);
276 viewHolder.messageBody.setVisibility(View.VISIBLE);
277 viewHolder.messageBody.setText(text);
278 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
279 viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
280 viewHolder.messageBody.setTextIsSelectable(false);
281 }
282
283 private void displayDecryptionFailed(ViewHolder viewHolder, boolean darkBackground) {
284 if (viewHolder.download_button != null) {
285 viewHolder.download_button.setVisibility(View.GONE);
286 }
287 viewHolder.image.setVisibility(View.GONE);
288 viewHolder.messageBody.setVisibility(View.VISIBLE);
289 viewHolder.messageBody.setText(getContext().getString(
290 R.string.decryption_failed));
291 viewHolder.messageBody.setTextColor(getMessageTextColor(darkBackground, false));
292 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
293 viewHolder.messageBody.setTextIsSelectable(false);
294 }
295
296 private void displayHeartMessage(final ViewHolder viewHolder, final String body) {
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.setIncludeFontPadding(false);
303 Spannable span = new SpannableString(body);
304 span.setSpan(new RelativeSizeSpan(4.0f), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
305 span.setSpan(new ForegroundColorSpan(activity.getWarningTextColor()), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
306 viewHolder.messageBody.setText(span);
307 }
308
309 private int applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
310 if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
311 body.insert(start++, "\n");
312 body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
313 end++;
314 }
315 if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
316 body.insert(end, "\n");
317 body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
318 }
319 int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
320 : getContext().getResources().getColor(R.color.bubble);
321 DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
322 body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
323 return 0;
324 }
325
326 /**
327 * Applies QuoteSpan to group of lines which starts with > or » characters.
328 * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
329 */
330 private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
331 boolean startsWithQuote = false;
332 char previous = '\n';
333 int lineStart = -1;
334 int lineTextStart = -1;
335 int quoteStart = -1;
336 for (int i = 0; i <= body.length(); i++) {
337 char current = body.length() > i ? body.charAt(i) : '\n';
338 if (lineStart == -1) {
339 if (previous == '\n') {
340 if (current == '>' || current == '\u00bb') {
341 // Line start with quote
342 lineStart = i;
343 if (quoteStart == -1) quoteStart = i;
344 if (i == 0) startsWithQuote = true;
345 } else if (quoteStart >= 0) {
346 // Line start without quote, apply spans there
347 applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
348 quoteStart = -1;
349 }
350 }
351 } else {
352 // Remove extra spaces between > and first character in the line
353 // > character will be removed too
354 if (current != ' ' && lineTextStart == -1) {
355 lineTextStart = i;
356 }
357 if (current == '\n') {
358 body.delete(lineStart, lineTextStart);
359 i -= lineTextStart - lineStart;
360 if (i == lineStart) {
361 // Avoid empty lines because span over empty line can be hidden
362 body.insert(i++, " ");
363 }
364 lineStart = -1;
365 lineTextStart = -1;
366 }
367 }
368 previous = current;
369 }
370 if (quoteStart >= 0) {
371 // Apply spans to finishing open quote
372 applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
373 }
374 return startsWithQuote;
375 }
376
377 private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
378 if (viewHolder.download_button != null) {
379 viewHolder.download_button.setVisibility(View.GONE);
380 }
381 viewHolder.image.setVisibility(View.GONE);
382 viewHolder.messageBody.setVisibility(View.VISIBLE);
383 viewHolder.messageBody.setIncludeFontPadding(true);
384 if (message.getBody() != null) {
385 final String nick = UIHelper.getMessageDisplayName(message);
386 SpannableStringBuilder body = message.getMergedBody();
387 boolean hasMeCommand = message.hasMeCommand();
388 if (hasMeCommand) {
389 body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
390 }
391 if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
392 body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
393 body.append("\u2026");
394 }
395 Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
396 for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
397 int start = body.getSpanStart(mergeSeparator);
398 int end = body.getSpanEnd(mergeSeparator);
399 body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
400 }
401 boolean startsWithQuote = handleTextQuotes(body, darkBackground);
402 if (message.getType() != Message.TYPE_PRIVATE) {
403 if (hasMeCommand) {
404 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
405 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
406 }
407 } else {
408 String privateMarker;
409 if (message.getStatus() <= Message.STATUS_RECEIVED) {
410 privateMarker = activity.getString(R.string.private_message);
411 } else {
412 final String to;
413 if (message.getCounterpart() != null) {
414 to = message.getCounterpart().getResourcepart();
415 } else {
416 to = "";
417 }
418 privateMarker = activity.getString(R.string.private_message_to, to);
419 }
420 body.insert(0, privateMarker);
421 int privateMarkerIndex = privateMarker.length();
422 if (startsWithQuote) {
423 body.insert(privateMarkerIndex, "\n\n");
424 body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
425 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
426 } else {
427 body.insert(privateMarkerIndex, " ");
428 }
429 body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)),
430 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
431 body.setSpan(new StyleSpan(Typeface.BOLD),
432 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
433 if (hasMeCommand) {
434 body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
435 privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
436 }
437 }
438 Linkify.addLinks(body, Linkify.WEB_URLS);
439 Linkify.addLinks(body, XMPP_PATTERN, "xmpp");
440 Linkify.addLinks(body, GeoHelper.GEO_URI, "geo");
441 viewHolder.messageBody.setAutoLinkMask(0);
442 viewHolder.messageBody.setText(body);
443 viewHolder.messageBody.setTextIsSelectable(true);
444 viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
445 listSelectionManager.onUpdate(viewHolder.messageBody, message);
446 } else {
447 viewHolder.messageBody.setText("");
448 viewHolder.messageBody.setTextIsSelectable(false);
449 }
450 viewHolder.messageBody.setTextColor(this.getMessageTextColor(darkBackground, true));
451 viewHolder.messageBody.setLinkTextColor(this.getMessageTextColor(darkBackground, true));
452 viewHolder.messageBody.setHighlightColor(activity.getResources().getColor(darkBackground
453 ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
454 viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
455 }
456
457 private void displayDownloadableMessage(ViewHolder viewHolder,
458 final Message message, String text) {
459 viewHolder.image.setVisibility(View.GONE);
460 viewHolder.messageBody.setVisibility(View.GONE);
461 viewHolder.download_button.setVisibility(View.VISIBLE);
462 viewHolder.download_button.setText(text);
463 viewHolder.download_button.setOnClickListener(new OnClickListener() {
464
465 @Override
466 public void onClick(View v) {
467 activity.startDownloadable(message);
468 }
469 });
470 }
471
472 private void displayOpenableMessage(ViewHolder viewHolder,final Message message) {
473 viewHolder.image.setVisibility(View.GONE);
474 viewHolder.messageBody.setVisibility(View.GONE);
475 viewHolder.download_button.setVisibility(View.VISIBLE);
476 viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
477 viewHolder.download_button.setOnClickListener(new OnClickListener() {
478
479 @Override
480 public void onClick(View v) {
481 openDownloadable(message);
482 }
483 });
484 }
485
486 private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
487 viewHolder.image.setVisibility(View.GONE);
488 viewHolder.messageBody.setVisibility(View.GONE);
489 viewHolder.download_button.setVisibility(View.VISIBLE);
490 viewHolder.download_button.setText(R.string.show_location);
491 viewHolder.download_button.setOnClickListener(new OnClickListener() {
492
493 @Override
494 public void onClick(View v) {
495 showLocation(message);
496 }
497 });
498 }
499
500 private void displayImageMessage(ViewHolder viewHolder,
501 final Message message) {
502 if (viewHolder.download_button != null) {
503 viewHolder.download_button.setVisibility(View.GONE);
504 }
505 viewHolder.messageBody.setVisibility(View.GONE);
506 viewHolder.image.setVisibility(View.VISIBLE);
507 FileParams params = message.getFileParams();
508 double target = metrics.density * 288;
509 int scaledW;
510 int scaledH;
511 if (Math.max(params.height, params.width) * metrics.density <= target) {
512 scaledW = (int) (params.width * metrics.density);
513 scaledH = (int) (params.height * metrics.density);
514 } else if (Math.max(params.height,params.width) <= target) {
515 scaledW = params.width;
516 scaledH = params.height;
517 } else if (params.width <= params.height) {
518 scaledW = (int) (params.width / ((double) params.height / target));
519 scaledH = (int) target;
520 } else {
521 scaledW = (int) target;
522 scaledH = (int) (params.height / ((double) params.width / target));
523 }
524 LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
525 layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
526 viewHolder.image.setLayoutParams(layoutParams);
527 activity.loadBitmap(message, viewHolder.image);
528 viewHolder.image.setOnClickListener(new OnClickListener() {
529
530 @Override
531 public void onClick(View v) {
532 openDownloadable(message);
533 }
534 });
535 }
536
537 private void loadMoreMessages(Conversation conversation) {
538 conversation.setLastClearHistory(0);
539 activity.xmppConnectionService.updateConversation(conversation);
540 conversation.setHasMessagesLeftOnServer(true);
541 conversation.setFirstMamReference(null);
542 long timestamp = conversation.getLastMessageTransmitted();
543 if (timestamp == 0) {
544 timestamp = System.currentTimeMillis();
545 }
546 activity.setMessagesLoaded();
547 activity.xmppConnectionService.getMessageArchiveService().query(conversation, 0, timestamp);
548 Toast.makeText(activity, R.string.fetching_history_from_server,Toast.LENGTH_LONG).show();
549 }
550
551 @Override
552 public View getView(int position, View view, ViewGroup parent) {
553 final Message message = getItem(position);
554 final boolean isInValidSession = message.isValidInSession();
555 final Conversation conversation = message.getConversation();
556 final Account account = conversation.getAccount();
557 final int type = getItemViewType(position);
558 ViewHolder viewHolder;
559 if (view == null) {
560 viewHolder = new ViewHolder();
561 switch (type) {
562 case SENT:
563 view = activity.getLayoutInflater().inflate(
564 R.layout.message_sent, parent, false);
565 viewHolder.message_box = (LinearLayout) view
566 .findViewById(R.id.message_box);
567 viewHolder.contact_picture = (ImageView) view
568 .findViewById(R.id.message_photo);
569 viewHolder.download_button = (Button) view
570 .findViewById(R.id.download_button);
571 viewHolder.indicator = (ImageView) view
572 .findViewById(R.id.security_indicator);
573 viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
574 viewHolder.image = (ImageView) view
575 .findViewById(R.id.message_image);
576 viewHolder.messageBody = (CopyTextView) view
577 .findViewById(R.id.message_body);
578 viewHolder.time = (TextView) view
579 .findViewById(R.id.message_time);
580 viewHolder.indicatorReceived = (ImageView) view
581 .findViewById(R.id.indicator_received);
582 break;
583 case RECEIVED:
584 view = activity.getLayoutInflater().inflate(
585 R.layout.message_received, parent, false);
586 viewHolder.message_box = (LinearLayout) view
587 .findViewById(R.id.message_box);
588 viewHolder.contact_picture = (ImageView) view
589 .findViewById(R.id.message_photo);
590 viewHolder.download_button = (Button) view
591 .findViewById(R.id.download_button);
592 viewHolder.indicator = (ImageView) view
593 .findViewById(R.id.security_indicator);
594 viewHolder.edit_indicator = (ImageView) view.findViewById(R.id.edit_indicator);
595 viewHolder.image = (ImageView) view
596 .findViewById(R.id.message_image);
597 viewHolder.messageBody = (CopyTextView) view
598 .findViewById(R.id.message_body);
599 viewHolder.time = (TextView) view
600 .findViewById(R.id.message_time);
601 viewHolder.indicatorReceived = (ImageView) view
602 .findViewById(R.id.indicator_received);
603 viewHolder.encryption = (TextView) view.findViewById(R.id.message_encryption);
604 break;
605 case STATUS:
606 view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
607 viewHolder.contact_picture = (ImageView) view.findViewById(R.id.message_photo);
608 viewHolder.status_message = (TextView) view.findViewById(R.id.status_message);
609 viewHolder.load_more_messages = (Button) view.findViewById(R.id.load_more_messages);
610 break;
611 default:
612 viewHolder = null;
613 break;
614 }
615 if (viewHolder.messageBody != null) {
616 listSelectionManager.onCreate(viewHolder.messageBody,
617 new MessageBodyActionModeCallback(viewHolder.messageBody));
618 viewHolder.messageBody.setCopyHandler(this);
619 }
620 view.setTag(viewHolder);
621 } else {
622 viewHolder = (ViewHolder) view.getTag();
623 if (viewHolder == null) {
624 return view;
625 }
626 }
627
628 boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
629
630 if (type == STATUS) {
631 if ("LOAD_MORE".equals(message.getBody())) {
632 viewHolder.status_message.setVisibility(View.GONE);
633 viewHolder.contact_picture.setVisibility(View.GONE);
634 viewHolder.load_more_messages.setVisibility(View.VISIBLE);
635 viewHolder.load_more_messages.setOnClickListener(new OnClickListener() {
636 @Override
637 public void onClick(View v) {
638 loadMoreMessages(message.getConversation());
639 }
640 });
641 } else {
642 viewHolder.status_message.setVisibility(View.VISIBLE);
643 viewHolder.contact_picture.setVisibility(View.VISIBLE);
644 viewHolder.load_more_messages.setVisibility(View.GONE);
645 if (conversation.getMode() == Conversation.MODE_SINGLE) {
646 viewHolder.contact_picture.setImageBitmap(activity
647 .avatarService().get(conversation.getContact(),
648 activity.getPixel(32)));
649 viewHolder.contact_picture.setAlpha(0.5f);
650 }
651 viewHolder.status_message.setText(message.getBody());
652 }
653 return view;
654 } else {
655 loadAvatar(message, viewHolder.contact_picture);
656 }
657
658 viewHolder.contact_picture
659 .setOnClickListener(new OnClickListener() {
660
661 @Override
662 public void onClick(View v) {
663 if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
664 MessageAdapter.this.mOnContactPictureClickedListener
665 .onContactPictureClicked(message);
666 }
667
668 }
669 });
670 viewHolder.contact_picture
671 .setOnLongClickListener(new OnLongClickListener() {
672
673 @Override
674 public boolean onLongClick(View v) {
675 if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
676 MessageAdapter.this.mOnContactPictureLongClickedListener
677 .onContactPictureLongClicked(message);
678 return true;
679 } else {
680 return false;
681 }
682 }
683 });
684
685 final Transferable transferable = message.getTransferable();
686 if (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING) {
687 if (transferable.getStatus() == Transferable.STATUS_OFFER) {
688 displayDownloadableMessage(viewHolder,message,activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
689 } else if (transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
690 displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
691 } else {
692 displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first,darkBackground);
693 }
694 } else if (message.getType() == Message.TYPE_IMAGE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
695 displayImageMessage(viewHolder, message);
696 } else if (message.getType() == Message.TYPE_FILE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
697 if (message.getFileParams().width > 0) {
698 displayImageMessage(viewHolder,message);
699 } else {
700 displayOpenableMessage(viewHolder, message);
701 }
702 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
703 if (account.isPgpDecryptionServiceConnected()) {
704 if (!account.hasPendingPgpIntent(conversation)) {
705 displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
706 } else {
707 displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
708 }
709 } else {
710 displayInfoMessage(viewHolder,activity.getString(R.string.install_openkeychain),darkBackground);
711 if (viewHolder != null) {
712 viewHolder.message_box
713 .setOnClickListener(new OnClickListener() {
714
715 @Override
716 public void onClick(View v) {
717 activity.showInstallPgpDialog();
718 }
719 });
720 }
721 }
722 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
723 displayDecryptionFailed(viewHolder,darkBackground);
724 } else {
725 if (GeoHelper.isGeoUri(message.getBody())) {
726 displayLocationMessage(viewHolder,message);
727 } else if (message.bodyIsHeart()) {
728 displayHeartMessage(viewHolder, message.getBody().trim());
729 } else if (message.treatAsDownloadable() == Message.Decision.MUST) {
730 try {
731 URL url = new URL(message.getBody());
732 displayDownloadableMessage(viewHolder,
733 message,
734 activity.getString(R.string.check_x_filesize_on_host,
735 UIHelper.getFileDescriptionString(activity, message),
736 url.getHost()));
737 } catch (Exception e) {
738 displayDownloadableMessage(viewHolder,
739 message,
740 activity.getString(R.string.check_x_filesize,
741 UIHelper.getFileDescriptionString(activity, message)));
742 }
743 } else {
744 displayTextMessage(viewHolder, message, darkBackground, type);
745 }
746 }
747
748 if (type == RECEIVED) {
749 if(isInValidSession) {
750 int bubble;
751 if (!mUseGreenBackground) {
752 bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
753 } else {
754 bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
755 }
756 viewHolder.message_box.setBackgroundResource(bubble);
757 viewHolder.encryption.setVisibility(View.GONE);
758 } else {
759 viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
760 viewHolder.encryption.setVisibility(View.VISIBLE);
761 viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
762 }
763 }
764
765 displayStatus(viewHolder, message, type, darkBackground);
766
767 return view;
768 }
769
770 @Override
771 public void notifyDataSetChanged() {
772 listSelectionManager.onBeforeNotifyDataSetChanged();
773 super.notifyDataSetChanged();
774 listSelectionManager.onAfterNotifyDataSetChanged();
775 }
776
777 private String transformText(CharSequence text, int start, int end, boolean forCopy) {
778 SpannableStringBuilder builder = new SpannableStringBuilder(text);
779 Object copySpan = new Object();
780 builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
781 DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
782 for (DividerSpan dividerSpan : dividerSpans) {
783 builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
784 dividerSpan.isLarge() ? "\n\n" : "\n");
785 }
786 start = builder.getSpanStart(copySpan);
787 end = builder.getSpanEnd(copySpan);
788 if (start == -1 || end == -1) return "";
789 builder = new SpannableStringBuilder(builder, start, end);
790 if (forCopy) {
791 QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
792 for (QuoteSpan quoteSpan : quoteSpans) {
793 builder.insert(builder.getSpanStart(quoteSpan), "> ");
794 }
795 }
796 return builder.toString();
797 }
798
799 @Override
800 public String transformTextForCopy(CharSequence text, int start, int end) {
801 if (text instanceof Spanned) {
802 return transformText(text, start, end, true);
803 } else {
804 return text.toString().substring(start, end);
805 }
806 }
807
808 public interface OnQuoteListener {
809 public void onQuote(String text);
810 }
811
812 private class MessageBodyActionModeCallback implements ActionMode.Callback {
813
814 private final TextView textView;
815
816 public MessageBodyActionModeCallback(TextView textView) {
817 this.textView = textView;
818 }
819
820 @Override
821 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
822 if (onQuoteListener != null) {
823 int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
824 // 3rd item is placed after "copy" item
825 menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
826 .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
827 }
828 return false;
829 }
830
831 @Override
832 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
833 return false;
834 }
835
836 @Override
837 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
838 if (item.getItemId() == android.R.id.button1) {
839 int start = textView.getSelectionStart();
840 int end = textView.getSelectionEnd();
841 if (end > start) {
842 String text = transformText(textView.getText(), start, end, false);
843 if (onQuoteListener != null) {
844 onQuoteListener.onQuote(text);
845 }
846 mode.finish();
847 }
848 return true;
849 }
850 return false;
851 }
852
853 @Override
854 public void onDestroyActionMode(ActionMode mode) {}
855 }
856
857 public void openDownloadable(Message message) {
858 DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
859 if (!file.exists()) {
860 Toast.makeText(activity,R.string.file_deleted,Toast.LENGTH_SHORT).show();
861 return;
862 }
863 Intent openIntent = new Intent(Intent.ACTION_VIEW);
864 String mime = file.getMimeType();
865 if (mime == null) {
866 mime = "*/*";
867 }
868 Uri uri;
869 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
870 try {
871 uri = FileProvider.getUriForFile(activity, FileBackend.CONVERSATIONS_FILE_PROVIDER, file);
872 } catch (IllegalArgumentException e) {
873 Toast.makeText(activity,activity.getString(R.string.no_permission_to_access_x,file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
874 return;
875 }
876 openIntent.setDataAndType(uri, mime);
877 openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
878 } else {
879 uri = Uri.fromFile(file);
880 }
881 openIntent.setDataAndType(uri, mime);
882 PackageManager manager = activity.getPackageManager();
883 List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0);
884 if (info.size() == 0) {
885 openIntent.setDataAndType(Uri.fromFile(file),"*/*");
886 }
887 try {
888 getContext().startActivity(openIntent);
889 } catch (ActivityNotFoundException e) {
890 Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
891 }
892 }
893
894 public void showLocation(Message message) {
895 for(Intent intent : GeoHelper.createGeoIntentsFromMessage(message)) {
896 if (intent.resolveActivity(getContext().getPackageManager()) != null) {
897 getContext().startActivity(intent);
898 return;
899 }
900 }
901 Toast.makeText(activity,R.string.no_application_found_to_display_location,Toast.LENGTH_SHORT).show();
902 }
903
904 public void updatePreferences() {
905 this.mIndicateReceived = activity.indicateReceived();
906 this.mUseGreenBackground = activity.useGreenBackground();
907 }
908
909 public TextView getMessageBody(View view) {
910 final Object tag = view.getTag();
911 if (tag instanceof ViewHolder) {
912 final ViewHolder viewHolder = (ViewHolder) tag;
913 return viewHolder.messageBody;
914 }
915 return null;
916 }
917
918 public interface OnContactPictureClicked {
919 void onContactPictureClicked(Message message);
920 }
921
922 public interface OnContactPictureLongClicked {
923 void onContactPictureLongClicked(Message message);
924 }
925
926 private static class ViewHolder {
927
928 protected LinearLayout message_box;
929 protected Button download_button;
930 protected ImageView image;
931 protected ImageView indicator;
932 protected ImageView indicatorReceived;
933 protected TextView time;
934 protected CopyTextView messageBody;
935 protected ImageView contact_picture;
936 protected TextView status_message;
937 protected TextView encryption;
938 public Button load_more_messages;
939 public ImageView edit_indicator;
940 }
941
942 class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
943 private final WeakReference<ImageView> imageViewReference;
944 private Message message = null;
945
946 public BitmapWorkerTask(ImageView imageView) {
947 imageViewReference = new WeakReference<>(imageView);
948 }
949
950 @Override
951 protected Bitmap doInBackground(Message... params) {
952 return activity.avatarService().get(params[0], activity.getPixel(48), isCancelled());
953 }
954
955 @Override
956 protected void onPostExecute(Bitmap bitmap) {
957 if (bitmap != null && !isCancelled()) {
958 final ImageView imageView = imageViewReference.get();
959 if (imageView != null) {
960 imageView.setImageBitmap(bitmap);
961 imageView.setBackgroundColor(0x00000000);
962 }
963 }
964 }
965 }
966
967 public void loadAvatar(Message message, ImageView imageView) {
968 if (cancelPotentialWork(message, imageView)) {
969 final Bitmap bm = activity.avatarService().get(message, activity.getPixel(48), true);
970 if (bm != null) {
971 cancelPotentialWork(message, imageView);
972 imageView.setImageBitmap(bm);
973 imageView.setBackgroundColor(0x00000000);
974 } else {
975 imageView.setBackgroundColor(UIHelper.getColorForName(UIHelper.getMessageDisplayName(message)));
976 imageView.setImageDrawable(null);
977 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
978 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
979 imageView.setImageDrawable(asyncDrawable);
980 try {
981 task.execute(message);
982 } catch (final RejectedExecutionException ignored) {
983 }
984 }
985 }
986 }
987
988 public static boolean cancelPotentialWork(Message message, ImageView imageView) {
989 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
990
991 if (bitmapWorkerTask != null) {
992 final Message oldMessage = bitmapWorkerTask.message;
993 if (oldMessage == null || message != oldMessage) {
994 bitmapWorkerTask.cancel(true);
995 } else {
996 return false;
997 }
998 }
999 return true;
1000 }
1001
1002 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
1003 if (imageView != null) {
1004 final Drawable drawable = imageView.getDrawable();
1005 if (drawable instanceof AsyncDrawable) {
1006 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
1007 return asyncDrawable.getBitmapWorkerTask();
1008 }
1009 }
1010 return null;
1011 }
1012
1013 static class AsyncDrawable extends BitmapDrawable {
1014 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
1015
1016 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
1017 super(res, bitmap);
1018 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
1019 }
1020
1021 public BitmapWorkerTask getBitmapWorkerTask() {
1022 return bitmapWorkerTaskReference.get();
1023 }
1024 }
1025}