mirror of https://github.com/NekoX-Dev/NekoX.git
92 lines
2.6 KiB
Java
92 lines
2.6 KiB
Java
/*
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* This is the source code of Telegram for Android v. 5.x.x.
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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* Copyright Nikolai Kudashov, 2013-2018.
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*/
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package org.telegram.ui.Components;
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import android.graphics.Canvas;
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import android.graphics.ColorFilter;
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import android.graphics.Paint;
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import android.graphics.PixelFormat;
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import android.graphics.drawable.Drawable;
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import android.view.animation.DecelerateInterpolator;
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import org.telegram.messenger.AndroidUtilities;
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public class CloseProgressDrawable extends Drawable {
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private Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
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private long lastFrameTime;
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private int currentAnimationTime;
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private DecelerateInterpolator interpolator = new DecelerateInterpolator();
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private int currentSegment;
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public CloseProgressDrawable() {
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super();
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paint.setColor(0xff757575);
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paint.setStrokeWidth(AndroidUtilities.dp(2));
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paint.setStrokeCap(Paint.Cap.ROUND);
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}
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@Override
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public void draw(Canvas canvas) {
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long newTime = System.currentTimeMillis();
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if (lastFrameTime != 0) {
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long dt = (newTime - lastFrameTime);
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currentAnimationTime += dt;
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if (currentAnimationTime > 200) {
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currentAnimationTime = 0;
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currentSegment++;
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if (currentSegment == 4) {
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currentSegment -= 4;
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}
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}
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}
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canvas.save();
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canvas.translate(getIntrinsicWidth() / 2, getIntrinsicHeight() / 2);
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canvas.rotate(45);
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paint.setAlpha(255 - (currentSegment % 4) * 40);
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canvas.drawLine(-AndroidUtilities.dp(8), 0, 0, 0, paint);
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paint.setAlpha(255 - ((currentSegment + 1) % 4) * 40);
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canvas.drawLine(0, -AndroidUtilities.dp(8), 0, 0, paint);
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paint.setAlpha(255 - ((currentSegment + 2) % 4) * 40);
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canvas.drawLine(0, 0, AndroidUtilities.dp(8), 0, paint);
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paint.setAlpha(255 - ((currentSegment + 3) % 4) * 40);
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canvas.drawLine(0, 0, 0, AndroidUtilities.dp(8), paint);
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canvas.restore();
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lastFrameTime = newTime;
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invalidateSelf();
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}
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@Override
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public void setAlpha(int alpha) {
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}
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@Override
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public void setColorFilter(ColorFilter cf) {
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}
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@Override
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public int getOpacity() {
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return PixelFormat.TRANSPARENT;
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}
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@Override
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public int getIntrinsicWidth() {
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return AndroidUtilities.dp(24);
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}
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@Override
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public int getIntrinsicHeight() {
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return AndroidUtilities.dp(24);
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}
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}
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