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