package eu.siacs.conversations.services; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.Typeface; import android.net.Uri; import java.util.ArrayList; import java.util.List; import java.util.Locale; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Bookmark; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.ListItem; import eu.siacs.conversations.entities.MucOptions; public class AvatarService { private static final int FG_COLOR = 0xFFFAFAFA; private static final int TRANSPARENT = 0x00000000; private static final String PREFIX_CONTACT = "contact"; private static final String PREFIX_CONVERSATION = "conversation"; private static final String PREFIX_ACCOUNT = "account"; private static final String PREFIX_GENERIC = "generic"; final private ArrayList sizes = new ArrayList<>(); protected XmppConnectionService mXmppConnectionService = null; public AvatarService(XmppConnectionService service) { this.mXmppConnectionService = service; } public Bitmap get(Contact contact, int size) { final String KEY = key(contact, size); Bitmap avatar = this.mXmppConnectionService.getBitmapCache().get(KEY); if (avatar != null) { return avatar; } if (contact.getProfilePhoto() != null) { avatar = mXmppConnectionService.getFileBackend().cropCenterSquare(Uri.parse(contact.getProfilePhoto()), size); } if (avatar == null && contact.getAvatar() != null) { avatar = mXmppConnectionService.getFileBackend().getAvatar(contact.getAvatar(), size); } if (avatar == null) { avatar = get(contact.getDisplayName(), size); } this.mXmppConnectionService.getBitmapCache().put(KEY, avatar); return avatar; } public void clear(Contact contact) { for (Integer size : sizes) { this.mXmppConnectionService.getBitmapCache().remove( key(contact, size)); } } private String key(Contact contact, int size) { synchronized (this.sizes) { if (!this.sizes.contains(size)) { this.sizes.add(size); } } return PREFIX_CONTACT + "_" + contact.getAccount().getJid() + "_" + contact.getJid() + "_" + String.valueOf(size); } public Bitmap get(ListItem item, int size) { if (item instanceof Contact) { return get((Contact) item, size); } else if (item instanceof Bookmark) { Bookmark bookmark = (Bookmark) item; if (bookmark.getConversation() != null) { return get(bookmark.getConversation(), size); } else { return get(bookmark.getDisplayName(), size); } } else { return get(item.getDisplayName(), size); } } public Bitmap get(Conversation conversation, int size) { if (conversation.getMode() == Conversation.MODE_SINGLE) { return get(conversation.getContact(), size); } else { return get(conversation.getMucOptions(), size); } } public void clear(Conversation conversation) { if (conversation.getMode() == Conversation.MODE_SINGLE) { clear(conversation.getContact()); } else { clear(conversation.getMucOptions()); } } public Bitmap get(MucOptions mucOptions, int size) { final String KEY = key(mucOptions, size); Bitmap bitmap = this.mXmppConnectionService.getBitmapCache().get(KEY); if (bitmap != null) { return bitmap; } List users = mucOptions.getUsers(); int count = users.size(); bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); bitmap.eraseColor(TRANSPARENT); if (count == 0) { String name = mucOptions.getConversation().getName(); String letter = name.substring(0, 1); int color = this.getColorForName(name); drawTile(canvas, letter, color, 0, 0, size, size); } else if (count == 1) { drawTile(canvas, users.get(0), 0, 0, size, size); } else if (count == 2) { drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size); drawTile(canvas, users.get(1), size / 2 + 1, 0, size, size); } else if (count == 3) { drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size); drawTile(canvas, users.get(1), size / 2 + 1, 0, size, size / 2 - 1); drawTile(canvas, users.get(2), size / 2 + 1, size / 2 + 1, size, size); } else if (count == 4) { drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size / 2 - 1); drawTile(canvas, users.get(1), 0, size / 2 + 1, size / 2 - 1, size); drawTile(canvas, users.get(2), size / 2 + 1, 0, size, size / 2 - 1); drawTile(canvas, users.get(3), size / 2 + 1, size / 2 + 1, size, size); } else { drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size / 2 - 1); drawTile(canvas, users.get(1), 0, size / 2 + 1, size / 2 - 1, size); drawTile(canvas, users.get(2), size / 2 + 1, 0, size, size / 2 - 1); drawTile(canvas, "\u2026", 0xFF202020, size / 2 + 1, size / 2 + 1, size, size); } this.mXmppConnectionService.getBitmapCache().put(KEY, bitmap); return bitmap; } public void clear(MucOptions options) { for (Integer size : sizes) { this.mXmppConnectionService.getBitmapCache().remove( key(options, size)); } } private String key(MucOptions options, int size) { synchronized (this.sizes) { if (!this.sizes.contains(size)) { this.sizes.add(size); } } return PREFIX_CONVERSATION + "_" + options.getConversation().getUuid() + "_" + String.valueOf(size); } public Bitmap get(Account account, int size) { final String KEY = key(account, size); Bitmap avatar = mXmppConnectionService.getBitmapCache().get(KEY); if (avatar != null) { return avatar; } avatar = mXmppConnectionService.getFileBackend().getAvatar( account.getAvatar(), size); if (avatar == null) { avatar = get(account.getJid().toString(), size); } mXmppConnectionService.getBitmapCache().put(KEY, avatar); return avatar; } public void clear(Account account) { for (Integer size : sizes) { this.mXmppConnectionService.getBitmapCache().remove( key(account, size)); } } private String key(Account account, int size) { synchronized (this.sizes) { if (!this.sizes.contains(size)) { this.sizes.add(size); } } return PREFIX_ACCOUNT + "_" + account.getUuid() + "_" + String.valueOf(size); } public Bitmap get(String name, int size) { final String KEY = key(name, size); Bitmap bitmap = mXmppConnectionService.getBitmapCache().get(KEY); if (bitmap != null) { return bitmap; } bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); String letter = name.substring(0, 1); int color = this.getColorForName(name); drawTile(canvas, letter, color, 0, 0, size, size); mXmppConnectionService.getBitmapCache().put(KEY, bitmap); return bitmap; } private String key(String name, int size) { synchronized (this.sizes) { if (!this.sizes.contains(size)) { this.sizes.add(size); } } return PREFIX_GENERIC + "_" + name + "_" + String.valueOf(size); } private void drawTile(Canvas canvas, String letter, int tileColor, int left, int top, int right, int bottom) { letter = letter.toUpperCase(Locale.getDefault()); Paint tilePaint = new Paint(), textPaint = new Paint(); tilePaint.setColor(tileColor); textPaint.setFlags(Paint.ANTI_ALIAS_FLAG); textPaint.setColor(FG_COLOR); textPaint.setTypeface(Typeface.create("sans-serif-light", Typeface.NORMAL)); textPaint.setTextSize((float) ((right - left) * 0.8)); Rect rect = new Rect(); canvas.drawRect(new Rect(left, top, right, bottom), tilePaint); textPaint.getTextBounds(letter, 0, 1, rect); float width = textPaint.measureText(letter); canvas.drawText(letter, (right + left) / 2 - width / 2, (top + bottom) / 2 + rect.height() / 2, textPaint); } private void drawTile(Canvas canvas, MucOptions.User user, int left, int top, int right, int bottom) { Contact contact = user.getContact(); if (contact != null) { Uri uri = null; if (contact.getProfilePhoto() != null) { uri = Uri.parse(contact.getProfilePhoto()); } else if (contact.getAvatar() != null) { uri = mXmppConnectionService.getFileBackend().getAvatarUri( contact.getAvatar()); } if (uri != null) { Bitmap bitmap = mXmppConnectionService.getFileBackend() .cropCenter(uri, bottom - top, right - left); if (bitmap != null) { drawTile(canvas, bitmap, left, top, right, bottom); } else { String letter = user.getName().substring(0, 1); int color = this.getColorForName(user.getName()); drawTile(canvas, letter, color, left, top, right, bottom); } } else { String letter = user.getName().substring(0, 1); int color = this.getColorForName(user.getName()); drawTile(canvas, letter, color, left, top, right, bottom); } } else { String letter = user.getName().substring(0, 1); int color = this.getColorForName(user.getName()); drawTile(canvas, letter, color, left, top, right, bottom); } } private void drawTile(Canvas canvas, Bitmap bm, int dstleft, int dsttop, int dstright, int dstbottom) { Rect dst = new Rect(dstleft, dsttop, dstright, dstbottom); canvas.drawBitmap(bm, null, dst, null); } private int getColorForName(String name) { int holoColors[] = {0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5, 0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722, 0xFF795548, 0xFF607d8b}; return holoColors[(int) ((name.hashCode() & 0xffffffffl) % holoColors.length)]; } }