94 lines
3.3 KiB
Java
94 lines
3.3 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.view;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.PorterDuff;
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import android.graphics.PorterDuffXfermode;
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import android.graphics.RectF;
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import android.support.annotation.Nullable;
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import android.support.v4.content.ContextCompat;
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import android.support.v7.widget.AppCompatImageView;
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import android.util.AttributeSet;
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import com.keylesspalace.tusky.R;
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import com.varunest.sparkbutton.helpers.Utils;
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public final class ProgressImageView extends AppCompatImageView {
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private int progress = -1;
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private RectF progressRect = new RectF();
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private RectF biggerRect = new RectF();
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private Paint circlePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
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private Paint clearPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
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public ProgressImageView(Context context) {
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super(context);
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init();
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}
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public ProgressImageView(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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init();
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}
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public ProgressImageView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init();
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}
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private void init() {
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circlePaint.setColor(ContextCompat.getColor(getContext(), R.color.colorPrimary));
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circlePaint.setStrokeWidth(Utils.dpToPx(getContext(), 4));
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circlePaint.setStyle(Paint.Style.STROKE);
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clearPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));
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}
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public void setProgress(int progress) {
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this.progress = progress;
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if (progress != -1) {
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setColorFilter(Color.rgb(123, 123, 123), PorterDuff.Mode.MULTIPLY);
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} else {
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clearColorFilter();
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}
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invalidate();
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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if (progress == -1) {
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return;
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}
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float angle = (progress / 100f) * 360 - 90;
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float halfWidth = canvas.getWidth() / 2;
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float halfHeight = canvas.getHeight() / 2;
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progressRect.set(halfWidth * 0.75f, halfHeight * 0.75f, halfWidth * 1.25f, halfHeight * 1.25f);
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biggerRect.set(progressRect);
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int margin = 8;
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biggerRect.set(progressRect.left - margin, progressRect.top - margin, progressRect.right + margin, progressRect.bottom + margin);
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canvas.saveLayer(biggerRect, null, Canvas.ALL_SAVE_FLAG);
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canvas.drawOval(progressRect, circlePaint);
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canvas.drawArc(biggerRect, angle, 360 - angle - 90, true, clearPaint);
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canvas.restore();
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}
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}
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