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/**
 * Orignal work: Copyright 2015 www.seleniumtests.com
 * Modified work: Copyright 2016 www.infotel.com
 * 				Copyright 2017-2019 B.Hecquet
 *
 * 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.
 */
package com.seleniumtests.uipage.aspects;

import java.lang.reflect.Field;
import java.util.Collection;
import java.util.LinkedList;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.openqa.selenium.interactions.Interaction;
import org.openqa.selenium.interactions.Sequence;

import com.seleniumtests.driver.CustomEventFiringWebDriver;
import com.seleniumtests.driver.WebUIDriver;
import com.seleniumtests.util.helper.WaitHelper;

@Aspect
public class CompositeActions {
	
	/**
	 * Slows down any action performed through CompositeActions by 200 ms
	 * It requires to use {@link CustomEventFiringWebDriver} because we intercept the "perform()" method of any {@link org.openqa.selenium.interactions.Action}
	 * Eclipse project also need to have its Aspect build path configured with selenium-api artifact
	 * @param joinPoint
	 */
	@After("call(public * org.openqa.selenium.interactions.Action+.perform (..))")
    public void slowDown(JoinPoint joinPoint) {
		WaitHelper.waitForMilliSeconds(200);
	}
	
	/**
	 * Intercept calls to {@link org.openqa.selenium.remote.RemoteWebDriver.perform(Collection actions)} method which handles
	 * the new way of sending composite actions
	 * @param joinPoint
	 * @throws NoSuchFieldException
	 * @throws SecurityException
	 * @throws IllegalArgumentException
	 * @throws IllegalAccessException
	 */
	@Before("execution(public void org.openqa.selenium.remote.RemoteWebDriver.perform (..))")
	public void updateHandlesNewActions(JoinPoint joinPoint) throws NoSuchFieldException, IllegalAccessException {

		@SuppressWarnings("unchecked")
		Collection sequences = (Collection)joinPoint.getArgs()[0];

		for (Sequence sequence: sequences) {
			Field actionsField = Sequence.class.getDeclaredField("actions");
			actionsField.setAccessible(true);
			@SuppressWarnings("unchecked")
			LinkedList actionsList = (LinkedList)actionsField.get(sequence);
			
			updateWindowHandles(actionsList);
		}
	}

	/**
	 * Analyse action list and determine if a clic action occured. If it's the case, update window handles
	 * @param actionsList
	 * @throws NoSuchFieldException
	 * @throws IllegalAccessException
	 */
	private void updateWindowHandles(LinkedList actionsList)
			throws NoSuchFieldException, IllegalAccessException {
		Boolean clic = null;
		boolean clickRequested = false;

		for (Interaction action: actionsList) {
			if (action.getClass().getName().contains("PointerInput$PointerPress")) {
				Field buttonField = action.getClass().getDeclaredField("button");
				buttonField.setAccessible(true);
				int button = buttonField.getInt(action);
				
				Field directionField = action.getClass().getDeclaredField("direction");
				directionField.setAccessible(true);
				String direction = directionField.get(action).toString();
				
				// only left button
				if (button != 0) {
					clic = null;
					continue;
				}
				
				// check we have a DOWN -> UP sequence
				if ("DOWN".equals(direction) && clic == null) {
					clic = true;
				} else if (Boolean.TRUE.equals(clic) && "UP".equals(direction)) {
					clic = null;
					clickRequested = true;
				} else {
					clic = null;
				}
				
			} else {
				clic = null;
			}
		}
		
		if (clickRequested) {
			((CustomEventFiringWebDriver)WebUIDriver.getWebDriver(false)).updateWindowsHandles();
		}
	}
	
	
}