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/*
* Copyright © 2014 Jerzy Chalupski
* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package com.wireguard.android.widget.fab;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.Shape;
import android.support.annotation.ColorRes;
import android.support.annotation.DrawableRes;
import android.support.v4.content.ContextCompat;
import android.util.AttributeSet;
import com.wireguard.android.R;
public class AddFloatingActionButton extends FloatingActionButton {
int mPlusColor;
public AddFloatingActionButton(final Context context) {
this(context, null);
}
public AddFloatingActionButton(final Context context, final AttributeSet attrs) {
super(context, attrs);
}
public AddFloatingActionButton(final Context context, final AttributeSet attrs, final int defStyle) {
super(context, attrs, defStyle);
}
@Override
void init(final Context context, final AttributeSet attributeSet) {
final TypedArray attr = context.obtainStyledAttributes(attributeSet, R.styleable.AddFloatingActionButton, 0, 0);
mPlusColor = attr.getColor(R.styleable.AddFloatingActionButton_fab_plusIconColor, FloatingActionButton.getColorFromTheme(context, android.R.attr.colorBackground, android.R.color.white));
attr.recycle();
super.init(context, attributeSet);
}
/**
* @return the current Color of plus icon.
*/
public int getPlusColor() {
return mPlusColor;
}
public void setPlusColor(final int color) {
if (mPlusColor != color) {
mPlusColor = color;
updateBackground();
}
}
public void setPlusColorResId(@ColorRes final int plusColor) {
setPlusColor(ContextCompat.getColor(getContext(), plusColor));
}
@Override
public void setIcon(@DrawableRes final int icon) {
throw new UnsupportedOperationException("Use FloatingActionButton if you want to use custom icon");
}
@Override
Drawable getIconDrawable() {
final float iconSize = getDimension(R.dimen.fab_icon_size);
final float iconHalfSize = iconSize / 2f;
final float plusSize = getDimension(R.dimen.fab_plus_icon_size);
final float plusHalfStroke = getDimension(R.dimen.fab_plus_icon_stroke) / 2f;
final float plusOffset = (iconSize - plusSize) / 2f;
final Shape shape = new Shape() {
@Override
public void draw(final Canvas canvas, final Paint paint) {
canvas.drawRect(plusOffset, iconHalfSize - plusHalfStroke, iconSize - plusOffset, iconHalfSize + plusHalfStroke, paint);
canvas.drawRect(iconHalfSize - plusHalfStroke, plusOffset, iconHalfSize + plusHalfStroke, iconSize - plusOffset, paint);
}
};
final ShapeDrawable drawable = new ShapeDrawable(shape);
final Paint paint = drawable.getPaint();
paint.setColor(mPlusColor);
paint.setStyle(Style.FILL);
paint.setAntiAlias(true);
return drawable;
}
}
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