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package eu.siacs.conversations.services;
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;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.net.Uri;
public class AvatarService {
private static final int FG_COLOR = 0xFFFAFAFA;
private static final int TRANSPARENT = 0x00000000;
protected XmppConnectionService mXmppConnectionService = null;
public AvatarService(XmppConnectionService service) {
this.mXmppConnectionService = service;
}
public Bitmap getAvatar(Contact contact, int size) {
Bitmap avatar = mXmppConnectionService.getFileBackend().getAvatar(
contact.getAvatar(), size);
if (avatar == null) {
if (contact.getProfilePhoto() != null) {
avatar = mXmppConnectionService.getFileBackend()
.cropCenterSquare(Uri.parse(contact.getProfilePhoto()),
size);
if (avatar == null) {
avatar = getAvatar(contact.getDisplayName(), size);
}
} else {
avatar = getAvatar(contact.getDisplayName(), size);
}
}
return avatar;
}
public Bitmap getAvatar(ListItem item, int size) {
if (item instanceof Contact) {
return getAvatar((Contact) item, size);
} else if (item instanceof Bookmark) {
Bookmark bookmark = (Bookmark) item;
if (bookmark.getConversation() != null) {
return getAvatar(bookmark.getConversation(), size);
} else {
return getAvatar(bookmark.getDisplayName(), size);
}
} else {
return getAvatar(item.getDisplayName(), size);
}
}
public Bitmap getAvatar(Conversation conversation, int size) {
if (conversation.getMode() == Conversation.MODE_SINGLE) {
return getAvatar(conversation.getContact(), size);
} else {
return getAvatar(conversation.getMucOptions(), size);
}
}
public Bitmap getAvatar(MucOptions mucOptions, int size) {
List<MucOptions.User> users = mucOptions.getUsers();
int count = users.size();
Bitmap 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);
}
return bitmap;
}
public Bitmap getAvatar(Account account, int size) {
Bitmap avatar = mXmppConnectionService.getFileBackend().getAvatar(
account.getAvatar(), size);
if (avatar == null) {
avatar = getAvatar(account.getJid(), size);
}
return avatar;
}
public Bitmap getAvatar(String name, int size) {
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);
return bitmap;
}
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.getAvatar() != null) {
uri = mXmppConnectionService.getFileBackend().getAvatarUri(
contact.getAvatar());
} else if (contact.getProfilePhoto() != null) {
uri = Uri.parse(contact.getProfilePhoto());
}
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)];
}
}
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