package at.markushi.ui;
import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.animation.Animation;
import android.widget.ImageView;
import com.konradjanica.amatch.R;
import java.sql.SQLOutput;
public class CircleButton extends ImageView {
private static final int PRESSED_COLOR_LIGHTUP = 255 / 25;
private static final int PRESSED_RING_ALPHA = 75;
private static final int DEFAULT_PRESSED_RING_WIDTH_DIP = 4;
private static final int ANIMATION_TIME_ID = android.R.integer.config_mediumAnimTime;
public static final int ANIMATION_REPEATS = 5;
private int centerY;
private int centerX;
private int outerRadius;
private int pressedRingRadius;
private Paint circlePaint;
private Paint focusPaint;
private float animationProgress;
private int pressedRingWidth;
private int defaultColor = Color.BLACK;
private int pressedColor;
private ObjectAnimator pressedAnimator;
public boolean aMatchButtonState;
public int repeatCount;
public CircleButton(Context context) {
super(context);
init(context, null);
}
public CircleButton(Context context, AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
}
public CircleButton(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context, attrs);
}
@Override
public void setPressed(boolean pressed) {
super.setPressed(pressed);
if (circlePaint == null) {
circlePaint.setColor(pressed ? pressedColor : defaultColor);
}
if (pressed) {
showPressedRing();
} else {
// hidePressedRing();
pressedAnimator.cancel();
animationProgress = pressedRingWidth;
}
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawCircle(centerX, centerY, pressedRingRadius + animationProgress, focusPaint);
canvas.drawCircle(centerX, centerY, outerRadius - pressedRingWidth, circlePaint);
super.onDraw(canvas);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
centerX = w / 2;
centerY = h / 2;
outerRadius = Math.min(w, h) / 2;
pressedRingRadius = outerRadius - pressedRingWidth - pressedRingWidth / 2;
}
public float getAnimationProgress() {
return animationProgress;
}
public void setAnimationProgress(float animationProgress) {
this.animationProgress = animationProgress;
this.invalidate();
}
public void setColor(int color) {
this.defaultColor = color;
this.pressedColor = getHighlightColor(color, PRESSED_COLOR_LIGHTUP);
circlePaint.setColor(defaultColor);
focusPaint.setColor(defaultColor);
focusPaint.setAlpha(PRESSED_RING_ALPHA);
this.invalidate();
}
private void hidePressedRing() {
pressedAnimator.setFloatValues(0f, pressedRingWidth);
pressedAnimator.start();
}
private void showPressedRing() {
pressedAnimator.setFloatValues(pressedRingWidth, 0f);
pressedAnimator.start();
}
private void init(Context context, AttributeSet attrs) {
this.setFocusable(true);
this.setScaleType(ScaleType.CENTER_INSIDE);
setClickable(true);
circlePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
circlePaint.setStyle(Paint.Style.FILL);
focusPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
focusPaint.setStyle(Paint.Style.STROKE);
pressedRingWidth = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, DEFAULT_PRESSED_RING_WIDTH_DIP, getResources()
.getDisplayMetrics());
int color = Color.BLACK;
if (attrs != null) {
final TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CircleButton);
color = a.getColor(R.styleable.CircleButton_cb_color, color);
pressedRingWidth = (int) a.getDimension(R.styleable.CircleButton_cb_pressedRingWidth, pressedRingWidth);
a.recycle();
}
aMatchButtonState = true;
animationProgress = pressedRingWidth;
setColor(color);
circlePaint.setColor(Color.WHITE);
focusPaint.setStrokeWidth(pressedRingWidth);
final int pressedAnimationTime = getResources().getInteger(ANIMATION_TIME_ID);
pressedAnimator = ObjectAnimator.ofFloat(this, "animationProgress", 0f, 0f);
pressedAnimator.setDuration(pressedAnimationTime);
pressedAnimator.setRepeatMode(Animation.REVERSE);
pressedAnimator.setRepeatCount(ANIMATION_REPEATS);
pressedAnimator.addListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
repeatCount = 0;
}
@Override
public void onAnimationEnd(Animator animation) {
// Change to favourite mode and change icon
if (repeatCount == ANIMATION_REPEATS) {
if (aMatchButtonState) {
setImageResource(R.drawable.amatchinvert);
aMatchButtonState = false;
circlePaint.setColor(defaultColor);
} else {
setImageResource(R.drawable.amatch);
aMatchButtonState = true;
circlePaint.setColor(Color.WHITE);
}
}
}
@Override
public void onAnimationCancel(Animator animation) {
// Favourite current card
// TODO
// Hide animation
hidePressedRing();
}
@Override
public void onAnimationRepeat(Animator animation) {
++repeatCount;
}
});
}
private int getHighlightColor(int color, int amount) {
return Color.argb(Math.min(255, Color.alpha(color)), Math.min(255, Color.red(color) + amount),
Math.min(255, Color.green(color) + amount), Math.min(255, Color.blue(color) + amount));
}
}