<?php

namespace Facebook\WebDriver;

use Facebook\WebDriver\Support\Events\EventFiringWebDriver;

class WebDriverDispatcher

{

/**

* @var array

*/

protected $listeners = [];

/**

* @var EventFiringWebDriver

*/

protected $driver;

/**

* this is needed so that EventFiringWebElement can pass the driver to the

* exception handling

*

* @return $this

*/

public function setDefaultDriver(EventFiringWebDriver $driver)

{

$this->driver = $driver;

return $this;

}

/**

* @return null|EventFiringWebDriver

*/

public function getDefaultDriver()

{

return $this->driver;

}

/**

* @return $this

*/

public function register(WebDriverEventListener $listener)

{

$this->listeners[] = $listener;

return $this;

}

/**

* @return $this

*/

public function unregister(WebDriverEventListener $listener)

{

$key = array_search($listener, $this->listeners, true);

if ($key !== false) {

unset($this->listeners[$key]);

}

return $this;

}

/**

* @param mixed $method

* @param mixed $arguments

* @return $this

*/

public function dispatch($method, $arguments)

{

foreach ($this->listeners as $listener) {

call_user_func_array([$listener, $method], $arguments);

}

return $this;

}

}