Handle.java

/*
 * Copyright 2013, Edmodo, Inc. 
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with the License.
 * You may obtain a copy of the License in the LICENSE file, or 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. 
 */

package com.smartandroid.sa.cropper;

import android.graphics.Rect;

/**
 * Enum representing a pressable, draggable Handle on the crop window.
 */
public enum Handle {

	TOP_LEFT(new CornerHandleHelper(Edge.TOP, Edge.LEFT)), TOP_RIGHT(
			new CornerHandleHelper(Edge.TOP, Edge.RIGHT)), BOTTOM_LEFT(
			new CornerHandleHelper(Edge.BOTTOM, Edge.LEFT)), BOTTOM_RIGHT(
			new CornerHandleHelper(Edge.BOTTOM, Edge.RIGHT)), LEFT(
			new VerticalHandleHelper(Edge.LEFT)), TOP(
			new HorizontalHandleHelper(Edge.TOP)), RIGHT(
			new VerticalHandleHelper(Edge.RIGHT)), BOTTOM(
			new HorizontalHandleHelper(Edge.BOTTOM)), CENTER(
			new CenterHandleHelper());

	// Member Variables ////////////////////////////////////////////////////////

	private HandleHelper mHelper;

	// Constructors ////////////////////////////////////////////////////////////

	Handle(HandleHelper helper) {
		mHelper = helper;
	}

	// Public Methods //////////////////////////////////////////////////////////

	public void updateCropWindow(float x, float y, Rect imageRect,
			float snapRadius) {

		mHelper.updateCropWindow(x, y, imageRect, snapRadius);
	}

	public void updateCropWindow(float x, float y, float targetAspectRatio,
			Rect imageRect, float snapRadius) {

		mHelper.updateCropWindow(x, y, targetAspectRatio, imageRect, snapRadius);
	}
}