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path: root/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/widget/passwordstrengthindicator/PasswordStrengthBarView.java
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package org.sufficientlysecure.keychain.ui.widget.passwordstrengthindicator;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.util.AttributeSet;

/**
 * Created by matt on 04/07/2014.
 * https://github.com/matt-allen/android-password-strength-indicator
 *
 */
public class PasswordStrengthBarView extends PasswordStrengthView {

    public PasswordStrengthBarView(Context context, AttributeSet attrs) {
        super(context, attrs);
        mMinHeight = 80;
        mMinWidth = 300;
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        generateIndicatorColor();
        // Default to full width
        int indWidth = mIndicatorWidth;
        // If score, leave it as full - can cause it to become
        // less than full width in this calculation
        if (mCurrentScore < 20) indWidth = (mIndicatorWidth / 20) * mCurrentScore;
        // Draw indicator
        canvas.drawRect(
                getPaddingLeft(),
                getPaddingTop(),
                indWidth,
                mIndicatorHeight,
                mIndicatorPaint
        );
        // Draw guides if true
        if (mShowGuides) {
            // TODO: Try and do this with a loop, for efficiency
            // Draw bottom guide border
            float positionY = getHeight()-getPaddingBottom()-getPaddingTop();
            float notchHeight = (float)(positionY * 0.8);
            canvas.drawLine(
                    getPaddingLeft(),
                    positionY,
                    getWidth()-getPaddingRight(),
                    positionY,
                    mGuidePaint);
            // Show left-most notch
            canvas.drawLine(
                    getPaddingLeft(),
                    positionY,
                    getPaddingLeft(),
                    notchHeight,
                    mGuidePaint
            );
            // Show middle-left notch
            canvas.drawLine(
                    (float)(mIndicatorWidth*0.25)+getPaddingLeft(),
                    positionY,
                    (float)(mIndicatorWidth*0.25)+getPaddingLeft(),
                    notchHeight,
                    mGuidePaint
            );
            // Show the middle notch
            canvas.drawLine(
                    (float)(mIndicatorWidth*0.5)+getPaddingLeft(),
                    positionY,
                    (float)(mIndicatorWidth*0.5)+getPaddingLeft(),
                    notchHeight,
                    mGuidePaint
            );
            // Show the middle-right notch
            canvas.drawLine(
                    (float)(mIndicatorWidth*0.75)+getPaddingLeft(),
                    positionY,
                    (float)(mIndicatorWidth*0.75)+getPaddingLeft(),
                    notchHeight,
                    mGuidePaint
            );
            // Show the right-most notch
            canvas.drawLine(
                    mIndicatorWidth+getPaddingLeft(),
                    positionY,
                    mIndicatorWidth+getPaddingLeft(),
                    notchHeight,
                    mGuidePaint
            );
        }
    }
}