<?php
/**
 * PHPUnit
 *
 * Copyright (c) 2010-2013, Sebastian Bergmann <sebastian@phpunit.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package    PHPUnit_Selenium
 * @author     Giorgio Sironi <info@giorgiosironi.com>
 * @copyright  2010-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @link       http://www.phpunit.de/
 * @since      File available since Release 1.2.8
 */

/**
 * Moves the mouse pointer.
 *
 * @author     Giorgio Sironi <info@giorgiosironi.com>
 * @package    PHPUnit_Selenium
 * @copyright  2010-2013 Sebastian Bergmann <sebastian@phpunit.de>
 * @license    http://www.opensource.org/licenses/BSD-3-Clause  The BSD 3-Clause License
 * @version    Release: @package_version@
 * @link       http://www.phpunit.de/
 * @since      Class available since Release 1.2.8
 */
class PHPUnit_Extensions_Selenium2TestCase_SessionCommand_MoveTo
    extends PHPUnit_Extensions_Selenium2TestCase_Command
{
    public function __construct($element,
                                PHPUnit_Extensions_Selenium2TestCase_URL $url)
    {
        if (!is_array($element)) {
            $element = array(
                'element' => $element,
            );
        }

        $validKeys = array(
            'element' => NULL,
            'xoffset' => NULL,
            'yoffset' => NULL,
        );

        $jsonParameters = array_intersect_key($element, $validKeys);

        if (isset($jsonParameters['element'])) {
            if (!($jsonParameters['element'] instanceof PHPUnit_Extensions_Selenium2TestCase_Element)) {
                throw new PHPUnit_Extensions_Selenium2TestCase_Exception('Only moving over an element is supported. Please pass a PHPUnit_Extensions_Selenium2TestCase_Element instance.');
            }

            $jsonParameters['element'] = $jsonParameters['element']->getId();
        }

        if (isset($jsonParameters['xoffset']) || isset($jsonParameters['yoffset'])) {
            // @see https://github.com/sebastianbergmann/phpunit-selenium/pull/250#issuecomment-21308153
            // @see https://code.google.com/p/selenium/wiki/JsonWireProtocol#/session/:sessionId/moveto
            error_log('Even though this method is a part of the WebDriver Wire protocol it might be not supported by your browser yet');
        }

        parent::__construct($jsonParameters, $url);
    }

    /**
     * @return string
     */
    public function httpMethod()
    {
        return 'POST';
    }
}
