1package eu.siacs.conversations.ui.widget;
 2
 3import android.content.Context;
 4import android.content.res.TypedArray;
 5import android.graphics.Canvas;
 6import android.graphics.Color;
 7import android.graphics.Paint;
 8import android.graphics.Typeface;
 9import android.util.AttributeSet;
10import android.view.View;
11
12import androidx.annotation.NonNull;
13import androidx.core.content.ContextCompat;
14
15import eu.siacs.conversations.R;
16
17public class UnreadCountCustomView extends View {
18
19    private int unreadCount;
20    private Paint paint, textPaint;
21    private int backgroundColor = 0xff326130;
22    private int textColor = Color.WHITE;
23
24    public UnreadCountCustomView(Context context) {
25        super(context);
26        init();
27    }
28
29    public UnreadCountCustomView(Context context, AttributeSet attrs) {
30        super(context, attrs);
31        initXMLAttrs(context, attrs);
32        init();
33    }
34
35    public UnreadCountCustomView(Context context, AttributeSet attrs, int defStyleAttr) {
36        super(context, attrs, defStyleAttr);
37        initXMLAttrs(context, attrs);
38        init();
39    }
40
41    private void initXMLAttrs(Context context, AttributeSet attrs) {
42        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.UnreadCountCustomView);
43        setBackgroundColor(a.getColor(a.getIndex(0), ContextCompat.getColor(context, R.color.md_theme_light_tertiaryContainer)));
44        this.textColor = a.getColor(a.getIndex(1),ContextCompat.getColor(context, R.color.md_theme_light_onTertiaryContainer));
45        a.recycle();
46    }
47
48    void init() {
49        paint = new Paint();
50        paint.setColor(backgroundColor);
51        paint.setAntiAlias(true);
52        textPaint = new Paint();
53        textPaint.setColor(textColor);
54        textPaint.setTextAlign(Paint.Align.CENTER);
55        textPaint.setAntiAlias(true);
56        textPaint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD));
57    }
58
59    @Override
60    protected void onDraw(@NonNull Canvas canvas) {
61        super.onDraw(canvas);
62        float midx = canvas.getWidth() / 2.0f;
63        float midy = canvas.getHeight() / 2.0f;
64        float radius = Math.min(canvas.getWidth(), canvas.getHeight()) / 2.0f;
65        float textOffset = canvas.getWidth() / 6.0f;
66        textPaint.setTextSize(0.95f * radius);
67        canvas.drawCircle(midx, midy, radius * 0.94f, paint);
68        canvas.drawText(unreadCount > 999 ? "\u221E" : String.valueOf(unreadCount), midx, midy + textOffset, textPaint);
69
70    }
71
72    public void setUnreadCount(int unreadCount) {
73        this.unreadCount = unreadCount;
74        invalidate();
75    }
76
77    public void setBackgroundColor(int backgroundColor) {
78        this.backgroundColor = backgroundColor;
79    }
80}