1package eu.siacs.conversations.services;
2
3import android.content.Context;
4import android.content.res.Resources;
5import android.graphics.Bitmap;
6import android.graphics.Canvas;
7import android.graphics.ColorFilter;
8import android.graphics.Paint;
9import android.graphics.PixelFormat;
10import android.graphics.PorterDuff;
11import android.graphics.PorterDuffXfermode;
12import android.graphics.Rect;
13import android.graphics.Typeface;
14import android.graphics.drawable.BitmapDrawable;
15import android.graphics.drawable.Drawable;
16import android.net.Uri;
17import android.text.TextUtils;
18import android.util.DisplayMetrics;
19import android.util.LruCache;
20import androidx.annotation.ColorInt;
21import androidx.annotation.Nullable;
22import androidx.core.content.res.ResourcesCompat;
23import com.google.common.base.Strings;
24import eu.siacs.conversations.R;
25import eu.siacs.conversations.entities.Account;
26import eu.siacs.conversations.entities.Bookmark;
27import eu.siacs.conversations.entities.Contact;
28import eu.siacs.conversations.entities.Conversation;
29import eu.siacs.conversations.entities.Conversational;
30import eu.siacs.conversations.entities.ListItem;
31import eu.siacs.conversations.entities.Message;
32import eu.siacs.conversations.entities.MucOptions;
33import eu.siacs.conversations.entities.RawBlockable;
34import eu.siacs.conversations.entities.Room;
35import eu.siacs.conversations.persistance.FileBackend;
36import eu.siacs.conversations.utils.UIHelper;
37import eu.siacs.conversations.xmpp.Jid;
38import java.util.HashMap;
39import java.util.HashSet;
40import java.util.List;
41import java.util.Locale;
42import java.util.Set;
43
44public class AvatarService {
45
46 private static final int FG_COLOR = 0xFFFAFAFA;
47 private static final int TRANSPARENT = 0x00000000;
48 private static final int PLACEHOLDER_COLOR = 0xFF202020;
49
50 public static final int SYSTEM_UI_AVATAR_SIZE = 48;
51
52 private static final String PREFIX_CONTACT = "contact";
53 private static final String PREFIX_CONVERSATION = "conversation";
54 private static final String PREFIX_ACCOUNT = "account";
55 private static final String PREFIX_GENERIC = "generic";
56
57 private static final String CHANNEL_SYMBOL = "#";
58
59 final private Set<Integer> sizes = new HashSet<>();
60 final private HashMap<String, Set<String>> conversationDependentKeys = new HashMap<>();
61
62 protected XmppConnectionService mXmppConnectionService = null;
63
64 AvatarService(XmppConnectionService service) {
65 this.mXmppConnectionService = service;
66 }
67
68 public static int getSystemUiAvatarSize(final Context context) {
69 return (int) (SYSTEM_UI_AVATAR_SIZE * context.getResources().getDisplayMetrics().density);
70 }
71
72 public Drawable get(final Avatarable avatarable, final int size, final boolean cachedOnly) {
73 if (avatarable instanceof Account) {
74 return get((Account) avatarable,size,cachedOnly);
75 } else if (avatarable instanceof Conversation) {
76 return get((Conversation) avatarable, size, cachedOnly);
77 } else if (avatarable instanceof Message) {
78 return get((Message) avatarable, size, cachedOnly);
79 } else if (avatarable instanceof ListItem) {
80 return get((ListItem) avatarable, size, cachedOnly);
81 } else if (avatarable instanceof MucOptions.User) {
82 return get((MucOptions.User) avatarable, size, cachedOnly);
83 } else if (avatarable instanceof Room) {
84 return get((Room) avatarable, size, cachedOnly);
85 }
86 throw new AssertionError("AvatarService does not know how to generate avatar from "+avatarable.getClass().getName());
87
88 }
89
90 private Drawable get(final Room result, final int size, boolean cacheOnly) {
91 final Jid room = result.getRoom();
92 Conversation conversation = room != null ? mXmppConnectionService.findFirstMuc(room) : null;
93 if (conversation != null) {
94 return get(conversation,size,cacheOnly);
95 }
96 return get(CHANNEL_SYMBOL, room != null ? room.asBareJid().toString() : result.getName(), size, cacheOnly);
97 }
98
99 private Drawable get(final Contact contact, final int size, boolean cachedOnly) {
100 if (contact.isSelf()) {
101 return get(contact.getAccount(), size, cachedOnly);
102 }
103 final String KEY = key(contact, size);
104 Drawable avatar = this.mXmppConnectionService.getDrawableCache().get(KEY);
105 if (avatar != null || cachedOnly) {
106 return avatar;
107 }
108 if (contact.getAvatar() != null && QuickConversationsService.isQuicksy()) {
109 avatar = mXmppConnectionService.getFileBackend().getAvatar(contact.getAvatar(), size);
110 }
111 if (avatar == null && contact.getProfilePhoto() != null) {
112 avatar = new BitmapDrawable(mXmppConnectionService.getFileBackend().cropCenterSquare(Uri.parse(contact.getProfilePhoto()), size));
113 }
114 if (avatar == null && contact.getAvatar() != null) {
115 avatar = mXmppConnectionService.getFileBackend().getAvatar(contact.getAvatar(), size);
116 }
117 if (avatar == null) {
118 avatar = get(contact.getDisplayName(), contact.getJid().asBareJid().toString(), size, cachedOnly);
119 }
120 if (avatar != null) this.mXmppConnectionService.getDrawableCache().put(KEY, avatar);
121 return avatar;
122 }
123
124 public Bitmap getRoundedShortcut(final MucOptions mucOptions) {
125 final DisplayMetrics metrics = mXmppConnectionService.getResources().getDisplayMetrics();
126 final int size = Math.round(metrics.density * 48);
127 final Bitmap bitmap = FileBackend.drawDrawable(get(mucOptions, size, false));
128 final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
129 final Canvas canvas = new Canvas(output);
130 final Paint paint = new Paint();
131 drawAvatar(bitmap, canvas, paint);
132 return output;
133 }
134
135 public Bitmap getRoundedShortcut(final Contact contact) {
136 return getRoundedShortcut(contact, false);
137 }
138
139 public Bitmap getRoundedShortcutWithIcon(final Contact contact) {
140 return getRoundedShortcut(contact, true);
141 }
142
143 private Bitmap getRoundedShortcut(final Contact contact, boolean withIcon) {
144 DisplayMetrics metrics = mXmppConnectionService.getResources().getDisplayMetrics();
145 int size = Math.round(metrics.density * 48);
146 Bitmap bitmap = FileBackend.drawDrawable(get(contact, size));
147 Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
148 Canvas canvas = new Canvas(output);
149 final Paint paint = new Paint();
150
151 drawAvatar(bitmap, canvas, paint);
152 if (withIcon) {
153 drawIcon(canvas, paint);
154 }
155 return output;
156 }
157
158 private static void drawAvatar(Bitmap bitmap, Canvas canvas, Paint paint) {
159 final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
160 paint.setAntiAlias(true);
161 canvas.drawARGB(0, 0, 0, 0);
162 canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
163 paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
164 canvas.drawBitmap(bitmap.copy(Bitmap.Config.ARGB_8888, false), rect, rect, paint);
165 }
166
167 private void drawIcon(Canvas canvas, Paint paint) {
168 final Resources resources = mXmppConnectionService.getResources();
169 final Bitmap icon = getRoundLauncherIcon(resources);
170 if (icon == null) {
171 return;
172 }
173 paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_OVER));
174
175 int iconSize = Math.round(canvas.getHeight() / 2.6f);
176
177 int left = canvas.getWidth() - iconSize;
178 int top = canvas.getHeight() - iconSize;
179 final Rect rect = new Rect(left, top, left + iconSize, top + iconSize);
180 canvas.drawBitmap(icon, null, rect, paint);
181 }
182
183 private static Bitmap getRoundLauncherIcon(Resources resources) {
184
185 final Drawable drawable = ResourcesCompat.getDrawable(resources, R.mipmap.new_launcher_round,null);
186 if (drawable == null) {
187 return null;
188 }
189
190 if (drawable instanceof BitmapDrawable) {
191 return ((BitmapDrawable)drawable).getBitmap();
192 }
193
194 Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
195 Canvas canvas = new Canvas(bitmap);
196 drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
197 drawable.draw(canvas);
198
199 return bitmap;
200 }
201
202 public Drawable get(final MucOptions.User user, final int size, boolean cachedOnly) {
203 Contact c = user.getContact();
204 if (c != null && (c.getProfilePhoto() != null || c.getAvatar() != null || user.getAvatar() == null)) {
205 return get(c, size, cachedOnly);
206 } else {
207 return getImpl(user, size, cachedOnly);
208 }
209 }
210
211 private Drawable getImpl(final MucOptions.User user, final int size, boolean cachedOnly) {
212 final String KEY = key(user, size);
213 Drawable avatar = this.mXmppConnectionService.getDrawableCache().get(KEY);
214 if (avatar != null || cachedOnly) {
215 return avatar;
216 }
217 if (user.getAvatar() != null) {
218 avatar = mXmppConnectionService.getFileBackend().getAvatar(user.getAvatar(), size);
219 }
220 if (avatar == null) {
221 Contact contact = user.getContact();
222 if (contact != null) {
223 avatar = get(contact, size, false);
224 } else {
225 String seed = user.getRealJid() != null ? user.getRealJid().asBareJid().toString() : null;
226 avatar = get(user.getNick(), seed, size, false);
227 }
228 }
229 this.mXmppConnectionService.getDrawableCache().put(KEY, avatar);
230 return avatar;
231 }
232
233 public void clear(Contact contact) {
234 synchronized (this.sizes) {
235 for (final Integer size : sizes) {
236 this.mXmppConnectionService.getDrawableCache().remove(key(contact, size));
237 }
238 }
239 for (Conversation conversation : mXmppConnectionService.findAllConferencesWith(contact)) {
240 MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.getJid().asBareJid());
241 if (user != null) {
242 clear(user);
243 }
244 clear(conversation);
245 }
246 }
247
248 private String key(Contact contact, int size) {
249 synchronized (this.sizes) {
250 this.sizes.add(size);
251 }
252 return PREFIX_CONTACT +
253 '\0' +
254 contact.getAccount().getJid().asBareJid() +
255 '\0' +
256 emptyOnNull(contact.getJid()) +
257 '\0' +
258 size;
259 }
260
261 private String key(MucOptions.User user, int size) {
262 synchronized (this.sizes) {
263 this.sizes.add(size);
264 }
265 return PREFIX_CONTACT +
266 '\0' +
267 user.getAccount().getJid().asBareJid() +
268 '\0' +
269 user.getMuc() +
270 '\0' +
271 (user.getOccupantId() == null ? emptyOnNull(user.getFullJid()) : user.getOccupantId()) +
272 '\0' +
273 emptyOnNull(user.getRealJid()) +
274 '\0' +
275 size;
276 }
277
278 public Drawable get(ListItem item, int size) {
279 return get(item, size, false);
280 }
281
282 public Drawable get(ListItem item, int size, boolean cachedOnly) {
283 if (item instanceof RawBlockable) {
284 return get(item.getDisplayName(), item.getJid().toString(), size, cachedOnly);
285 } else if (item instanceof Contact) {
286 return get((Contact) item, size, cachedOnly);
287 } else if (item instanceof Bookmark) {
288 Bookmark bookmark = (Bookmark) item;
289 if (bookmark.getConversation() != null) {
290 return get(bookmark.getConversation(), size, cachedOnly);
291 } else {
292 Jid jid = bookmark.getJid();
293 Account account = bookmark.getAccount();
294 Contact contact = jid == null ? null : account.getRoster().getContact(jid);
295 if (contact != null && contact.getAvatar() != null) {
296 return get(contact, size, cachedOnly);
297 }
298 String seed = jid != null ? jid.asBareJid().toString() : null;
299 return get(bookmark.getDisplayName(), seed, size, cachedOnly);
300 }
301 } else {
302 String seed = item.getJid() != null ? item.getJid().asBareJid().toString() : null;
303 return get(item.getDisplayName(), seed, size, cachedOnly);
304 }
305 }
306
307 public Drawable get(Conversation conversation, int size) {
308 return get(conversation, size, false);
309 }
310
311 public Drawable get(Conversation conversation, int size, boolean cachedOnly) {
312 if (conversation.getMode() == Conversation.MODE_SINGLE) {
313 return get(conversation.getContact(), size, cachedOnly);
314 } else {
315 return get(conversation.getMucOptions(), size, cachedOnly);
316 }
317 }
318
319 public void clear(Conversation conversation) {
320 if (conversation.getMode() == Conversation.MODE_SINGLE) {
321 clear(conversation.getContact());
322 } else {
323 clear(conversation.getMucOptions());
324 synchronized (this.conversationDependentKeys) {
325 Set<String> keys = this.conversationDependentKeys.get(conversation.getUuid());
326 if (keys == null) {
327 return;
328 }
329 LruCache<String, Drawable> cache = this.mXmppConnectionService.getDrawableCache();
330 for (String key : keys) {
331 cache.remove(key);
332 }
333 keys.clear();
334 }
335 }
336 }
337
338 private Drawable get(MucOptions mucOptions, int size, boolean cachedOnly) {
339 final String KEY = key(mucOptions, size);
340 Drawable bitmap = this.mXmppConnectionService.getDrawableCache().get(KEY);
341 if (bitmap != null || cachedOnly) {
342 return bitmap;
343 }
344
345 bitmap = mXmppConnectionService.getFileBackend().getAvatar(mucOptions.getAvatar(), size);
346
347 if (bitmap == null) {
348 Conversation c = mucOptions.getConversation();
349 if (mucOptions.isPrivateAndNonAnonymous()) {
350 final List<MucOptions.User> users = mucOptions.getUsersRelevantForNameAndAvatar();
351 if (users.size() == 0) {
352 bitmap = getImpl(c.getName().toString(), c.getJid().asBareJid().toString(), size);
353 } else {
354 bitmap = getImpl(users, size);
355 }
356 } else {
357 bitmap = getImpl(CHANNEL_SYMBOL, c.getJid().asBareJid().toString(), size);
358 }
359 }
360
361 this.mXmppConnectionService.getDrawableCache().put(KEY, bitmap);
362
363 return bitmap;
364 }
365
366 private Drawable get(List<MucOptions.User> users, int size, boolean cachedOnly) {
367 final String KEY = key(users, size);
368 Drawable bitmap = this.mXmppConnectionService.getDrawableCache().get(KEY);
369 if (bitmap != null || cachedOnly) {
370 return bitmap;
371 }
372 bitmap = getImpl(users, size);
373 this.mXmppConnectionService.getDrawableCache().put(KEY, bitmap);
374 return bitmap;
375 }
376
377 private Drawable getImpl(List<MucOptions.User> users, int size) {
378 int count = users.size();
379 Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
380 Canvas canvas = new Canvas(bitmap);
381 bitmap.eraseColor(TRANSPARENT);
382 if (count == 0) {
383 throw new AssertionError("Unable to draw tiles for 0 users");
384 } else if (count == 1) {
385 drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size);
386 drawTile(canvas, users.get(0).getAccount(), size / 2 + 1, 0, size, size);
387 } else if (count == 2) {
388 drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size);
389 drawTile(canvas, users.get(1), size / 2 + 1, 0, size, size);
390 } else if (count == 3) {
391 drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size);
392 drawTile(canvas, users.get(1), size / 2 + 1, 0, size, size / 2 - 1);
393 drawTile(canvas, users.get(2), size / 2 + 1, size / 2 + 1, size,
394 size);
395 } else if (count == 4) {
396 drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size / 2 - 1);
397 drawTile(canvas, users.get(1), 0, size / 2 + 1, size / 2 - 1, size);
398 drawTile(canvas, users.get(2), size / 2 + 1, 0, size, size / 2 - 1);
399 drawTile(canvas, users.get(3), size / 2 + 1, size / 2 + 1, size,
400 size);
401 } else {
402 drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size / 2 - 1);
403 drawTile(canvas, users.get(1), 0, size / 2 + 1, size / 2 - 1, size);
404 drawTile(canvas, users.get(2), size / 2 + 1, 0, size, size / 2 - 1);
405 drawTile(canvas, "\u2026", PLACEHOLDER_COLOR, size / 2 + 1, size / 2 + 1,
406 size, size);
407 }
408 return new BitmapDrawable(bitmap);
409 }
410
411 public void clear(final MucOptions options) {
412 if (options == null) {
413 return;
414 }
415 synchronized (this.sizes) {
416 for (Integer size : sizes) {
417 this.mXmppConnectionService.getDrawableCache().remove(key(options, size));
418 }
419 }
420 }
421
422 private String key(final MucOptions options, int size) {
423 synchronized (this.sizes) {
424 this.sizes.add(size);
425 }
426 return PREFIX_CONVERSATION + "_" + options.getConversation().getUuid() + "_" + size;
427 }
428
429 private String key(List<MucOptions.User> users, int size) {
430 final Conversation conversation = users.get(0).getConversation();
431 StringBuilder builder = new StringBuilder("TILE_");
432 builder.append(conversation.getUuid());
433
434 for (MucOptions.User user : users) {
435 builder.append("\0");
436 builder.append(emptyOnNull(user.getRealJid()));
437 builder.append("\0");
438 builder.append(emptyOnNull(user.getFullJid()));
439 }
440 builder.append('\0');
441 builder.append(size);
442 final String key = builder.toString();
443 synchronized (this.conversationDependentKeys) {
444 Set<String> keys;
445 if (this.conversationDependentKeys.containsKey(conversation.getUuid())) {
446 keys = this.conversationDependentKeys.get(conversation.getUuid());
447 } else {
448 keys = new HashSet<>();
449 this.conversationDependentKeys.put(conversation.getUuid(), keys);
450 }
451 keys.add(key);
452 }
453 return key;
454 }
455
456 public Drawable get(Account account, int size) {
457 return get(account, size, false);
458 }
459
460 public Drawable get(Account account, int size, boolean cachedOnly) {
461 final String KEY = key(account, size);
462 Drawable avatar = mXmppConnectionService.getDrawableCache().get(KEY);
463 if (avatar != null || cachedOnly) {
464 return avatar;
465 }
466 avatar = mXmppConnectionService.getFileBackend().getAvatar(account.getAvatar(), size);
467 if (avatar == null) {
468 final String displayName = account.getDisplayName();
469 final String jid = account.getJid().asBareJid().toString();
470 if (QuickConversationsService.isQuicksy() && !TextUtils.isEmpty(displayName)) {
471 avatar = get(displayName, jid, size, false);
472 } else {
473 avatar = get(jid, null, size, false);
474 }
475 }
476 mXmppConnectionService.getDrawableCache().put(KEY, avatar);
477 return avatar;
478 }
479
480 public Drawable get(Message message, int size, boolean cachedOnly) {
481 final Conversational conversation = message.getConversation();
482 if (message.getType() == Message.TYPE_STATUS && message.getCounterparts() != null && message.getCounterparts().size() > 1) {
483 return get(message.getCounterparts(), size, cachedOnly);
484 } else if (message.getStatus() == Message.STATUS_RECEIVED) {
485 Contact c = message.getContact();
486 if (message.getModerated() != null) c = null;
487 if (c != null && (c.getProfilePhoto() != null || c.getAvatar() != null)) {
488 return get(c, size, cachedOnly);
489 } else if (conversation instanceof Conversation && message.getConversation().getMode() == Conversation.MODE_MULTI) {
490 final Jid trueCounterpart = message.getTrueCounterpart();
491 final MucOptions mucOptions = ((Conversation) conversation).getMucOptions();
492 MucOptions.User user;
493 if (trueCounterpart != null) {
494 user = mucOptions.findOrCreateUserByRealJid(trueCounterpart, message.getCounterpart(), message.getOccupantId());
495 } else if(message.getOccupantId() != null) {
496 user = mucOptions.findUserByOccupantId(message.getOccupantId(), message.getCounterpart());
497 } else {
498 user = mucOptions.findUserByFullJid(message.getCounterpart());
499 }
500 if (message.getModerated() != null) user = null;
501 if (user != null) {
502 return getImpl(user, size, cachedOnly);
503 }
504 } else if (c != null) {
505 return get(c, size, cachedOnly);
506 }
507 Jid tcp = message.getTrueCounterpart();
508 String seed = tcp != null ? tcp.asBareJid().toString() : null;
509 return get(UIHelper.getMessageDisplayName(message), seed, size, cachedOnly);
510 } else {
511 return get(conversation.getAccount(), size, cachedOnly);
512 }
513 }
514
515 public void clear(Account account) {
516 synchronized (this.sizes) {
517 for (Integer size : sizes) {
518 this.mXmppConnectionService.getDrawableCache().remove(key(account, size));
519 }
520 }
521 }
522
523 public void clear(MucOptions.User user) {
524 synchronized (this.sizes) {
525 for (Integer size : sizes) {
526 this.mXmppConnectionService.getDrawableCache().remove(key(user, size));
527 }
528 }
529 }
530
531 private String key(Account account, int size) {
532 synchronized (this.sizes) {
533 this.sizes.add(size);
534 }
535 return PREFIX_ACCOUNT + "_" + account.getUuid() + "_"
536 + size;
537 }
538
539 /*public Bitmap get(String name, int size) {
540 return get(name,null, size,false);
541 }*/
542
543 public Drawable get(final String name, String seed, final int size, boolean cachedOnly) {
544 return getImpl(name, seed, size);
545 }
546
547 public static Drawable get(final Jid jid, final int size) {
548 return getImpl(jid.asBareJid().toString(), null, size);
549 }
550
551 private static Drawable getImpl(final String name, final String seed, final int size) {
552 Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
553 Canvas canvas = new Canvas(bitmap);
554 final String trimmedName = name == null ? "" : name.trim();
555 return new TextDrawable(name, seed, size);
556 }
557
558 private String key(String name, int size) {
559 synchronized (this.sizes) {
560 this.sizes.add(size);
561 }
562 return PREFIX_GENERIC + "_" + name + "_" + size;
563 }
564
565 private static boolean drawTile(Canvas canvas, String letter, int tileColor, int left, int top, int right, int bottom) {
566 letter = letter.toUpperCase(Locale.getDefault());
567 Paint tilePaint = new Paint(), textPaint = new Paint();
568 tilePaint.setColor(tileColor);
569 textPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
570 textPaint.setColor(FG_COLOR);
571 textPaint.setTypeface(Typeface.create("sans-serif-light",
572 Typeface.NORMAL));
573 textPaint.setTextSize((float) ((right - left) * 0.8));
574 Rect rect = new Rect();
575
576 canvas.drawRect(new Rect(left, top, right, bottom), tilePaint);
577 textPaint.getTextBounds(letter, 0, 1, rect);
578 float width = textPaint.measureText(letter);
579 canvas.drawText(letter, (right + left) / 2 - width / 2, (top + bottom)
580 / 2 + rect.height() / 2, textPaint);
581 return true;
582 }
583
584 private boolean drawTile(Canvas canvas, MucOptions.User user, int left, int top, int right, int bottom) {
585 Contact contact = user.getContact();
586 if (contact != null) {
587 Uri uri = null;
588 if (contact.getAvatar() != null && QuickConversationsService.isQuicksy()) {
589 uri = mXmppConnectionService.getFileBackend().getAvatarUri(contact.getAvatar());
590 } else if (contact.getProfilePhoto() != null) {
591 uri = Uri.parse(contact.getProfilePhoto());
592 } else if (contact.getAvatar() != null) {
593 uri = mXmppConnectionService.getFileBackend().getAvatarUri(contact.getAvatar());
594 }
595 if (drawTile(canvas, uri, left, top, right, bottom)) {
596 return true;
597 }
598 } else if (user.getAvatar() != null) {
599 Uri uri = mXmppConnectionService.getFileBackend().getAvatarUri(user.getAvatar());
600 if (drawTile(canvas, uri, left, top, right, bottom)) {
601 return true;
602 }
603 }
604 if (contact != null) {
605 String seed = contact.getJid().asBareJid().toString();
606 drawTile(canvas, contact.getDisplayName(), seed, left, top, right, bottom);
607 } else {
608 String seed = user.getRealJid() == null ? null : user.getRealJid().asBareJid().toString();
609 drawTile(canvas, user.getName(), seed, left, top, right, bottom);
610 }
611 return true;
612 }
613
614 private boolean drawTile(Canvas canvas, Account account, int left, int top, int right, int bottom) {
615 String avatar = account.getAvatar();
616 if (avatar != null) {
617 Uri uri = mXmppConnectionService.getFileBackend().getAvatarUri(avatar);
618 if (uri != null) {
619 if (drawTile(canvas, uri, left, top, right, bottom)) {
620 return true;
621 }
622 }
623 }
624 String name = account.getJid().asBareJid().toString();
625 return drawTile(canvas, name, name, left, top, right, bottom);
626 }
627
628 private static boolean drawTile(Canvas canvas, String name, String seed, int left, int top, int right, int bottom) {
629 if (name != null) {
630 final String letter = name.equals(CHANNEL_SYMBOL) ? name : getFirstLetter(name);
631 final int color = UIHelper.getColorForName(seed == null ? name : seed);
632 drawTile(canvas, letter, color, left, top, right, bottom);
633 return true;
634 }
635 return false;
636 }
637
638 private static String getFirstLetter(String name) {
639 for (Character c : name.toCharArray()) {
640 if (Character.isLetterOrDigit(c)) {
641 return c.toString();
642 }
643 }
644 return "X";
645 }
646
647 private boolean drawTile(Canvas canvas, Uri uri, int left, int top, int right, int bottom) {
648 if (uri != null) {
649 Bitmap bitmap = mXmppConnectionService.getFileBackend()
650 .cropCenter(uri, bottom - top, right - left);
651 if (bitmap != null) {
652 drawTile(canvas, bitmap, left, top, right, bottom);
653 return true;
654 }
655 }
656 return false;
657 }
658
659 private boolean drawTile(Canvas canvas, Bitmap bm, int dstleft, int dsttop, int dstright, int dstbottom) {
660 Rect dst = new Rect(dstleft, dsttop, dstright, dstbottom);
661 canvas.drawBitmap(bm, null, dst, null);
662 return true;
663 }
664
665 private static String emptyOnNull(@Nullable Jid value) {
666 return value == null ? "" : value.toString();
667 }
668
669 public interface Avatarable {
670 @ColorInt int getAvatarBackgroundColor();
671 String getAvatarName();
672 }
673
674 public static class TextDrawable extends Drawable {
675 protected final String name;
676 protected final String seed;
677 protected final int size;
678
679 public TextDrawable(final String name, final String seed, final int size) {
680 this.name = name;
681 this.seed = seed;
682 this.size = size;
683 }
684
685 @Override
686 public void draw(Canvas canvas) {
687 final var r = getBounds();
688 drawTile(canvas, name, seed, r.left, r.top, r.right, r.bottom);
689 }
690
691 @Override
692 public void setAlpha(int alpha) {
693 // TODO?
694 }
695
696 @Override
697 public void setColorFilter(ColorFilter cf) {
698 // TODO?
699 }
700
701 @Override
702 public int getOpacity() {
703 return PixelFormat.TRANSLUCENT;
704 }
705
706 @Override
707 public int getIntrinsicWidth() {
708 return size;
709 }
710
711 @Override
712 public int getIntrinsicHeight() {
713 return size;
714 }
715 }
716}