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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Contact details
 *
 * Email: [email protected]
 * Site:  http://se.solovyev.org
 */

package org.solovyev.android.view;

import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.view.View;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 * User: serso
 * Date: 4/19/12
 * Time: 12:51 AM
 */
public class GrayableImpl implements ViewGrayable {

	@Nullable
	private Paint paint;

	@Override
	public void grayOut() {
		paint = new Paint();
		paint.setARGB(180, 75, 75, 75);
	}

	@Override
	public void grayIn() {
		paint = null;
	}

	@Override
	public void dispatchDraw(@Nonnull View view, @Nonnull Canvas canvas) {
		final Paint localPaint = paint;
		if (localPaint != null) {
			final RectF drawRect = new RectF();
			drawRect.set(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());

			canvas.drawRoundRect(drawRect, 5, 5, localPaint);
		}
	}
}