116 lines
3.6 KiB
Java
116 lines
3.6 KiB
Java
package app.fedilab.android.mastodon.helper;
|
|
/* Copyright 2022 Thomas Schneider
|
|
*
|
|
* This file is a part of Fedilab
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it under the terms of the
|
|
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
|
|
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
|
|
* Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with Fedilab; if not,
|
|
* see <http://www.gnu.org/licenses>. */
|
|
|
|
import android.content.Context;
|
|
import android.graphics.Canvas;
|
|
import android.graphics.Color;
|
|
import android.graphics.ColorFilter;
|
|
import android.graphics.Paint;
|
|
import android.graphics.PixelFormat;
|
|
import android.graphics.Rect;
|
|
import android.graphics.Typeface;
|
|
import android.graphics.drawable.Drawable;
|
|
|
|
import androidx.annotation.NonNull;
|
|
|
|
import app.fedilab.android.R;
|
|
|
|
|
|
public class CountDrawable extends Drawable {
|
|
|
|
private final Paint mBadgePaint;
|
|
private final Paint mTextPaint;
|
|
private final Rect mTxtRect = new Rect();
|
|
|
|
private String mCount = "";
|
|
private boolean mWillDraw;
|
|
|
|
public CountDrawable(Context context) {
|
|
float mTextSize = context.getResources().getDimension(R.dimen.badge_count_textsize);
|
|
|
|
mBadgePaint = new Paint();
|
|
mBadgePaint.setColor(ThemeHelper.getAttColor(context, R.attr.colorPrimary));
|
|
mBadgePaint.setAntiAlias(true);
|
|
mBadgePaint.setStyle(Paint.Style.FILL);
|
|
|
|
mTextPaint = new Paint();
|
|
mTextPaint.setColor(Color.WHITE);
|
|
mTextPaint.setTypeface(Typeface.DEFAULT);
|
|
mTextPaint.setTextSize(mTextSize);
|
|
mTextPaint.setAntiAlias(true);
|
|
mTextPaint.setTextAlign(Paint.Align.CENTER);
|
|
}
|
|
|
|
@Override
|
|
public void draw(@NonNull Canvas canvas) {
|
|
|
|
if (!mWillDraw) {
|
|
return;
|
|
}
|
|
Rect bounds = getBounds();
|
|
float width = bounds.right - bounds.left;
|
|
float height = bounds.bottom - bounds.top;
|
|
|
|
// Position the badge in the top-right quadrant of the icon.
|
|
|
|
/*Using Math.max rather than Math.min */
|
|
|
|
float radius = ((Math.max(width, height) / 2)) / 2;
|
|
float centerX = (width - radius - 1) + 5;
|
|
float centerY = radius - 5;
|
|
if (mCount.length() <= 2) {
|
|
// Draw badge circle.
|
|
canvas.drawCircle(centerX, centerY, (int) (radius + 5.5), mBadgePaint);
|
|
} else {
|
|
canvas.drawCircle(centerX, centerY, (int) (radius + 6.5), mBadgePaint);
|
|
}
|
|
// Draw badge count text inside the circle.
|
|
mTextPaint.getTextBounds(mCount, 0, mCount.length(), mTxtRect);
|
|
float textHeight = mTxtRect.bottom - mTxtRect.top;
|
|
float textY = centerY + (textHeight / 2f);
|
|
if (mCount.length() > 2)
|
|
canvas.drawText("99+", centerX, textY, mTextPaint);
|
|
else
|
|
canvas.drawText(mCount, centerX, textY, mTextPaint);
|
|
}
|
|
|
|
/*
|
|
Sets the count (i.e notifications) to display.
|
|
*/
|
|
public void setCount(String count) {
|
|
mCount = count;
|
|
|
|
// Only draw a badge if there are notifications.
|
|
mWillDraw = !count.equalsIgnoreCase("0");
|
|
invalidateSelf();
|
|
}
|
|
|
|
@Override
|
|
public void setAlpha(int alpha) {
|
|
// do nothing
|
|
}
|
|
|
|
@Override
|
|
public void setColorFilter(ColorFilter cf) {
|
|
// do nothing
|
|
}
|
|
|
|
@Override
|
|
public int getOpacity() {
|
|
return PixelFormat.UNKNOWN;
|
|
}
|
|
}
|