<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Pdf

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Proxy.php 22797 2010-08-06 15:02:12Z alexander $

 */

/** Zend_Pdf_ElementFactory_Interface */

require_once 'Zend/Pdf/ElementFactory/Interface.php';

/**

 * PDF element factory interface.

 * Responsibility is to log PDF changes

 *

 * @package    Zend_Pdf

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Pdf_ElementFactory_Proxy implements Zend_Pdf_ElementFactory_Interface

{

    /**

     * Factory object

     *

     * @var Zend_Pdf_ElementFactory_Interface

     */

    private $_factory;

    /**

     * Object constructor

     *

     * @param Zend_Pdf_ElementFactory_Interface $factory

     */

    public function __construct(Zend_Pdf_ElementFactory_Interface $factory)

    {

        $this->_factory = $factory;

    }

    public function __destruct()

    {

        $this->_factory->close();

        $this->_factory = null;

    }

    /**

     * Get factory

     *

     * @return Zend_Pdf_ElementFactory_Interface

     */

    public function getFactory()

    {

        return $this->_factory->getFactory();

    }

    /**

     * Close factory and clean-up resources

     *

     * @internal

     */

    public function close()

    {

        // Do nothing

    }

    /**

     * Get source factory object

     *

     * @return Zend_Pdf_ElementFactory

     */

    public function resolve()

    {

        return $this->_factory->resolve();

    }

    /**

     * Get factory ID

     *

     * @return integer

     */

    public function getId()

    {

        return $this->_factory->getId();

    }

    /**

     * Set object counter

     *

     * @param integer $objCount

     */

    public function setObjectCount($objCount)

    {

        $this->_factory->setObjectCount($objCount);

    }

    /**

     * Get object counter

     *

     * @return integer

     */

    public function getObjectCount()

    {

        return $this->_factory->getObjectCount();

    }

    /**

     * Attach factory to the current;

     *

     * @param Zend_Pdf_ElementFactory_Interface $factory

     */

    public function attach(Zend_Pdf_ElementFactory_Interface $factory)

    {

        $this->_factory->attach($factory);

    }

    /**

     * Calculate object enumeration shift.

     *

     * @internal

     * @param Zend_Pdf_ElementFactory_Interface $factory

     * @return integer

     */

    public function calculateShift(Zend_Pdf_ElementFactory_Interface $factory)

    {

        return $this->_factory->calculateShift($factory);

    }

    /**

     * Clean enumeration shift cache.

     * Has to be used after PDF render operation to let followed updates be correct.

     *

     * @param Zend_Pdf_ElementFactory_Interface $factory

     * @return integer

     */

    public function cleanEnumerationShiftCache()

    {

        return $this->_factory->cleanEnumerationShiftCache();

    }

    /**

     * Retrive object enumeration shift.

     *

     * @param Zend_Pdf_ElementFactory_Interface $factory

     * @return integer

     * @throws Zend_Pdf_Exception

     */

    public function getEnumerationShift(Zend_Pdf_ElementFactory_Interface $factory)

    {

        return $this->_factory->getEnumerationShift($factory);

    }

    /**

     * Mark object as modified in context of current factory.

     *

     * @param Zend_Pdf_Element_Object $obj

     * @throws Zend_Pdf_Exception

     */

    public function markAsModified(Zend_Pdf_Element_Object $obj)

    {

        $this->_factory->markAsModified($obj);

    }

    /**

     * Remove object in context of current factory.

     *

     * @param Zend_Pdf_Element_Object $obj

     * @throws Zend_Pdf_Exception

     */

    public function remove(Zend_Pdf_Element_Object $obj)

    {

        $this->_factory->remove($obj);

    }

    /**

     * Generate new Zend_Pdf_Element_Object

     *

     * @todo Reusage of the freed object. It's not a support of new feature, but only improvement.

     *

     * @param Zend_Pdf_Element $objectValue

     * @return Zend_Pdf_Element_Object

     */

    public function newObject(Zend_Pdf_Element $objectValue)

    {

        return $this->_factory->newObject($objectValue);

    }

    /**

     * Generate new Zend_Pdf_Element_Object_Stream

     *

     * @todo Reusage of the freed object. It's not a support of new feature, but only improvement.

     *

     * @param mixed $objectValue

     * @return Zend_Pdf_Element_Object_Stream

     */

    public function newStreamObject($streamValue)

    {

        return $this->_factory->newStreamObject($streamValue);

    }

    /**

     * Enumerate modified objects.

     * Returns array of Zend_Pdf_UpdateInfoContainer

     *

     * @param Zend_Pdf_ElementFactory $rootFactory

     * @return array

     */

    public function listModifiedObjects($rootFactory = null)

    {

        return $this->_factory->listModifiedObjects($rootFactory);

    }

    /**

     * Check if PDF file was modified

     *

     * @return boolean

     */

    public function isModified()

    {

        return $this->_factory->isModified();

    }

}