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PATH: home / letacommog / letaweb / admin / classes / socialEmbed / MediaEmbed / Object

<?php

/**
  * A generic object - for now.
  *
  * TODO: Implement audio, video separatly
  */
 if (!defined('DS')) {
     define('DS', DIRECTORY_SEPARATOR);
 }
include dirname(__FILE__).DS.'ObjectInterface.php';
class MediaObject implements ObjectInterface
{
    protected $_stub;

protected $_match;

protected $_objectAttributes = array();

protected $_objectParams = array();

protected $_iframeAttributes = array();

protected $_iframeParams = array();

public $config = array(
        'prefer' => 'iframe', // Type object or iframe (only available for few, fallback will be object)
    );

/**
     * MediaObject::__construct().
     *
     * @param array $config
     */
    public function __construct($stub, $config)
    {
        $this->config = $config += $this->config;

$stubDefaults = array(
            'id' => '',
            'name' => '',
            'website' => '',
            'slug' => '',
            'match' => array(),
        );
        $this->_stub = $stub + $stubDefaults;
        $this->_match = $this->_stub['match'];
        $this->_stub['id'] = $this->id();

$this->_setDefaultParams($stub);

/*
        // iframe or object?
        if (isset($stub['iframe-player'] )) {
            if ($config['prefer'] === 'iframe') {
                $src = $this->getObjectSrc($data, 'iframe-player');
                $stubarray('iframe-player') = $src;
                return true;
            }
            unset($stubarray('iframe-player'));
        }
        */
        $type = 'embed-src';
        if (isset($this->_stub['iframe-player'])) {
            if ($this->config['prefer'] === 'iframe') {
                $type = 'iframe-player';
            }
        }

if ($type === 'iframe-player') {
            $src = $this->_getObjectSrc($type);
            $this->_stub['iframe-player'] = $src;

$this->_objectParams['movie'] = $src;
            $this->_objectAttributes['data'] = $src;
        }
        if (!empty($this->_stub['reverse'])) {
            $flashvars = $this->_objectParams['flashvars'];
            $this->_objectParams['flashvars'] = str_replace('$r2', $this->_stub['id'], $flashvars);
        }
    }

/**
     * Getter/setter for stub.
     *
     * @param string $property - (optional) the specific
     *                         property of the stub to be returned. If
     *                         omitted, array of all properties are returned.
     *
     * @return array|string|$this
     */
    public function stub($property = null, $value = null)
    {
        if ($property === null) {
            return $this->_stub;
        }
        if ($value === null) {
            return isset($this->_stub[$property]) ? $this->_stub[$property] : null;
        }

return $this;
    }

/**
     * {@inheritdoc}
     */
    public function id()
    {
        $res = $this->_match;

if (empty($this->_stub['id'])) {
            if (empty($res[count($res) - 1])) {
                return '';
            }
            $this->_stub['id'] = $res[count($res) - 1];
        }
        $id = $this->_stub['id'];

for ($i = 1; $i <= count($res); ++$i) {
            $id = str_ireplace('$'.$i, $res[$i - 1], $id);
        }

return $id;
    }

/**
     * {@inheritdoc}
     */
    public function slug()
    {
        return $this->_stub['slug'];
    }

/**
     * {@inheritdoc}
     */
    public function name()
    {
        $res = $this->_match;

if (empty($this->_stub['name'])) {
            return '';
        }
        $name = $this->_stub['name'];

for ($i = 1; $i <= count($res); ++$i) {
            $name = str_ireplace('$'.$i, $res[$i - 1], $name);
        }

return $name;
    }

/**
     * Return the website URL of this type.
     *
     * @return string
     */
    public function website()
    {
        return !empty($this->_stub['website']) ? $this->_stub['website'] : '';
    }

/**
     * Returns a png img.
     *
     * @param array $stub or string $alias
     *
     * @return Resource or null if not available
     */
    public function icon()
    {
        $url = $this->_stub['website'];
        if (!$url) {
            return;
        }

$pieces = parse_url($url);
        $url = $pieces['host'];

$icon = 'http://www.google.com/s2/favicons?domain=';
        $icon .= $url;

$context = stream_context_create(
            array('http' => array('header' => 'Connection: close')));
        // E.g. http://www.google.com/s2/favicons?domain=xyz.com
        $file = file_get_contents($icon, 0, $context);
        if ($file === false) {
            return;
        }
        // TODO: transform into 16x16 png
        return $file;
    }

/**
     * @param string location Absolute path with trailing slash
     * @param binary Icon Icon data
     *
     * @return string|null $filename
     */
    public function saveIcon($location = null, $icon = null)
    {
        if ($icon === null) {
            $icon = $this->icon();
        }
        if (!$icon) {
            return;
        }
        if (!$location) {
            $location = IMAGES.'content'.DS.'video_types';
            if (!is_dir($location)) {
                mkdir($location, 0755, true);
            }
            $location .= DS;
        }
        $filename = $this->slug().'.png';
        $file = $location.$filename;
        if (!file_put_contents($file, $icon)) {
            return;
        }

return $filename;
    }

/**
     * Override a default object param value.
     *
     * @param $param mixed - the name of the param to be set
     *                                           or an array of multiple params to set
     * @param $value string - (optional) the value to set the param to
     *                                              if only one param is being set
     *
     * @return $this
     */
    public function setParam($param, $value = null)
    {
        if (!empty($this->_stub['iframe-player']) && $this->config['prefer'] === 'iframe') {
            if (is_array($param)) {
                foreach ($param as $p => $v) {
                    $this->_iframeParams[$p] = $v;
                }
            } else {
                $this->_iframeParams[$param] = $value;
            }
        } else {
            if (is_array($param)) {
                foreach ($param as $p => $v) {
                    $this->_objectParams[$p] = $v;
                }
            } else {
                $this->_objectParams[$param] = $value;
            }
        }

return $this;
    }

/**
     * Override a default object attribute value.
     *
     * @param $param mixed - the name of the attribute to be set
     *                                           or an array of multiple attribs to be set
     * @param $value string - (optional) the value to set the param to
     *                                              if only one param is being set
     *
     * @return $this
     */
    public function setAttribute($param, $value = null)
    {
        if (!empty($this->_stub['iframe-player']) && $this->config['prefer'] === 'iframe') {
            if (is_array($param)) {
                foreach ($param as $p => $v) {
                    $this->_iframeAttributes[$p] = $v;
                }
            } else {
                $this->_iframeAttributes[$param] = $value;
            }
        } else {
            if (is_array($param)) {
                foreach ($param as $p => $v) {
                    $this->_objectAttributes[$p] = $v;
                }
            } else {
                $this->_objectAttributes[$param] = $value;
            }
        }

return $this;
    }

/**
     * Set the height of the object.
     *
     * @param mixed - height to set the object to
     *
     * @return $this
     */
    public function setHeight($height)
    {
        return $this->setAttribute('height', $height);
    }

/**
     * Set the width of the object.
     *
     * @param mixed - width to set the object to
     *
     * @return $this
     */
    public function setWidth($width)
    {
        return $this->setAttribute('width', $width);
    }

/**
     * Return object params about the video metadata.
     *
     * @return array|string - object params
     */
    public function getParams($key = null)
    {
        if (!empty($this->_stub['iframe-player']) && $this->config['prefer'] === 'iframe') {
            if ($key === null) {
                return $this->_iframeParams;
            }
            if (!isset($this->_iframeParams[$key])) {
                return;
            }

return $this->_iframeParams[$key];
        }

if ($key === null) {
            return $this->_objectParams;
        }
        if (!isset($this->_objectParams[$key])) {
            return;
        }

return $this->_objectParams[$key];
    }

/**
     * Return object attribute.
     *
     * @return array - object attribute
     */
    public function getAttributes($key = null)
    {
        if (!empty($this->_stub['iframe-player']) && $this->config['prefer'] === 'iframe') {
            if ($key === null) {
                return $this->_iframeAttributes;
            }
            if (!isset($this->_iframeAttributes[$key])) {
                return;
            }

return $this->_iframeAttributes[$key];
        }

if ($key === null) {
            return $this->_objectAttributes;
        }
        if (!isset($this->_objectAttributes[$key])) {
            return;
        }

return $this->_objectAttributes[$key];
    }

/**
     * Convert the url to an embedable tag.
     *
     * return string - the embed html
     */
    public function getEmbedCode()
    {
        if (!empty($this->_stub['iframe-player']) && $this->config['prefer'] === 'iframe') {
            return $this->_buildIframe();
        }

return $this->_buildObject();
    }

/**
     * Getter/setter of what this Object currently prefers as output type.
     *
     * @return $this|string
     */
    protected function prefers($type = null)
    {
        if ($type === null) {
            $prefers = 'object';
            if (!empty($this->_stub['iframe-player']) && $this->config['prefer'] === 'iframe') {
                $prefers = 'iframe';
            }

return $prefers;
        }
        $this->config['prefer'] = $type;

return $this;
    }

/**
     * Get final src.
     *
     * @param string $type
     *
     * @return string|null
     */
    protected function _getObjectSrc($type = 'embed-src')
    {
        if (empty($this->_stub['id']) || empty($this->_stub['slug'])) {
            return;
        }

$src = str_replace('$r2', $this->_stub['id'], $this->_stub[$type]);
        if (!empty($host['replace'])) {
            foreach ($host['replace'] as $placeholder => $replacement) {
                $src = str_replace($placeholder, $replacement, $src);
            }
        }

return $src;
    }

/**
     * VideoLib::getImageSrc().
     *
     * @param array $data
     *
     * @return string|null
     */
    public function getImageSrc($data)
    {
        if (empty($this->_stub['id'])) {
            return;
        }
        if (empty($this->_stub['image-src'])) {
            return;
        }

$src = str_replace('$r2', $this->_stub['id'], $this->_stub['image-src']);

return $src;
    }

/**
     * Return a thumbnail for the embeded video.
     *
     * @return string - the thumbnail href
     */
    public function image()
    {
        if (empty($this->_stub['image-src'])) {
            return '';
        }
        $thumb = $this->_stub['image-src'];

for ($i = 1; $i <= count($this->_match); ++$i) {
            $thumb = str_ireplace('$'.$i, $this->_match[$i - 1], $thumb);
        }

return $thumb;
    }

/**
     * Convenience wrapper for `echo $MediaObject`.
     *
     * @return string
     */
    public function __toString()
    {
        return $this->getEmbedCode();
    }

/**
     * Build a generic object skeleton.
     *
     * @return string
     */
    protected function _buildObject()
    {
        $objectAttributes = $objectParams = '';

foreach ($this->_objectAttributes as $param => $value) {
            $objectAttributes .= ' '.$param.'="'.$value.'"';
        }

foreach ($this->_objectParams as $param => $value) {
            $objectParams .= '<param name="'.$param.'" value="'.$value.'" />';
        }

if (!$objectAttributes && !$objectParams) {
            return '';
        }

return sprintf('<object %s> %s</object>', $objectAttributes, $objectParams);
    }

/**
     * Build an iFrame player.
     *
     * @return string
     */
    protected function _buildIframe()
    {
        $source = $this->_stub['iframe-player'];

for ($i = 1; $i <= count($this->_match); ++$i) {
            $source = str_ireplace('$'.$i, $this->_match[$i - 1], $source);
        }

//add custom params
        if ($this->_iframeParams) {
            $c = '?';
            if (strpos($source, '?') !== false) {
                $c = '&amp;';
            }
            $source .= $c.http_build_query($this->_iframeParams, '', '&amp;');
        }
        $attributes = '';
        //add custom attributes

foreach ($this->_iframeAttributes as $key => $val) {
            //if === true, is an attribute without value
            //if === false, remove the attribute
            if ($val !== false) {
                $attributes .= ' '.$key.($val !== true ? '="'.$this->_esc($val).'"' : '');
            }
        }

// Transparent hack (http://groups.google.com/group/autoembed/browse_thread/thread/0ecdd9b898e12183)
        return sprintf('<iframe src="%s"%s></iframe>', $source, $attributes);
    }

/**
     * Set the default params for the type of
     * stub we are working with.
     */
    protected function _setDefaultParams($stub)
    {
        $source = $stub['embed-src'];
        $flashvars = (isset($stub['flashvars'])) ? $stub['flashvars'] : null;

for ($i = 1; $i <= count($this->_match); ++$i) {
            $source = str_ireplace('$'.$i, $this->_match[$i - 1], $source);
            $flashvars = str_ireplace('$'.$i, $this->_match[$i - 1], $flashvars);
        }

$source = $this->_esc($source);
        $flashvars = $this->_esc($flashvars);

$this->_objectParams = array(
            'movie' => $source,
            'quality' => 'high',
            'allowFullScreen' => 'true',
            'allowScriptAccess' => 'always',
            'pluginspage' => 'http://www.macromedia.com/go/getflashplayer',
            'autoplay' => 'false',
            'autostart' => 'false',
            'flashvars' => $flashvars,
        );

$this->_objectAttributes = array(
            'type' => 'application/x-shockwave-flash',
            'data' => $source,
            'width' => $stub['embed-width'],
            'height' => $stub['embed-height'],
        );

//separate iframe params and attributes
        $this->_iframeParams = array(
            'wmode' => 'transparent',
        );
        $this->_iframeAttributes = array(
            'type' => 'text/html',
            'width' => $stub['embed-width'],
            'height' => $stub['embed-height'],
            'frameborder' => '0',
            'allowfullscreen' => true,
        );
    }

/**
     * MediaObject::_esc().
     *
     * @param string $text
     *
     * @return string
     */
    protected function _esc($text)
    {
        return htmlspecialchars($text, ENT_QUOTES, null, false);
    }
}

[+] ..
[-] ObjectInterface.php [edit]
[-] MediaObject.php [edit]