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<?php
/**
 *
 * Mobile devices are detected with
 * {@link http://code.google.com/p/php-mobile-detect/ php-mobile-detect}.
 * A particular theme may be designated for <i>phones</i> and for <i>tablets</i>. If the connecting
 * device is one of those, the theme will automatically switch to the designated mobile theme.
 *
 * Test mode allows you to run your standard desktop client but simulate being either a <i>phone</i> or
 * a <i>tablet</i>.
 *
 * You may place a call on <var>mobileTheme::controlLink();</var> in your theme(s) to allow the client viewer
 * to override the switch and view your standard gallery theme. If the same call is placed in your gallery
 * theme he will be able to switch back as well.
 * <b>NOTE:</b> This link is present only when the browsing client
 * is a mobile device!
 *
 * Class <var>mobile</var> methods you can use in your theme:
 * <ul>
 *  <li>phone is connected.
 *  <ul>
 *      <li>isiPhone()</li>
 *      <li>isBlackBerry()</li>
 *      <li>isHTC()</li>
 *      <li>isNexus()</li>
 *      <li>isDellStreak()</li>
 *      <li>isMotorola()</li>
 *      <li>isSamsung()</li>
 *      <li>isSony()</li>
 *      <li>isAsus()</li>
 *      <li>isPalm()</li>
 *  </ul>
 * </li>
 *
 *  <li>tablet is connected
 *  <ul>
 *      <li>isBlackBerryTablet()</li>
 *      <li>isiPad()</li>
 *      <li>isKindle()</li>
 *      <li>isSamsungTablet()</li>
 *      <li>isMotorolaTablet()</li>
 *      <li>isAsusTablet()</li>
 *  </ul>
 * </li>
 *
 *  <li>OS on the device
 *  <ul>
 *      <li>isAndroidOS()</li>
 *      <li>isBlackBerryOS()</li>
 *      <li>isPalmOS()</li>
 *      <li>isSymbianOS()</li>
 *      <li>isWindowsMobileOS()</li>
 *      <li>isiOS()</li>
 *  </ul>
 * </li>
 *
 *  <li> user agent (browser) on the device
 *  <ul>
 *      <li>isChrome()</li>
 *      <li>isDolfin()</li>
 *      <li>isOpera()</li>
 *      <li>isSkyfire()</li>
 *      <li>isIE()</li>
 *      <li>isFirefox()</li>
 *      <li>isBolt()</li>
 *      <li>isTeaShark()</li>
 *      <li>isBlazer()</li>
 *      <li>isSafari()
 *      <li>isMidori()</li>
 *  </ul>
 * </li>
 * </ul>
 *
 * @author Stephen Billard (sbillard)
 * @package plugins
 * @subpackage mobiletheme
 */

$plugin_is_filter = 5|CLASS_PLUGIN;
$plugin_description = gettext('Select your theme based on the device connecting to your site');
$plugin_author = "Stephen Billard (sbillard)";
$plugin_category = gettext('Misc');

$option_interface = 'mobileTheme';

class mobileTheme {

    function __construct() {
    }

    function getOptionsSupported() {
        global $_zp_gallery;
        $themes = array();
        foreach ($_zp_gallery->getThemes() as $theme=>$details) {
            $themes[$details['name']] = $theme;
        }
        $options = array(gettext('Phone theme') => array('key' => 'mobileTheme_phone', 'type' => OPTION_TYPE_SELECTOR,
                                                                                'selections'=>$themes,
                                                                                'null_selection' => gettext('gallery theme'),
                                                                                'desc' => gettext('Select the theme to be used when a phone device connects.')),
                                                            gettext('Tablet theme') => array('key' => 'mobileTheme_tablet', 'type' => OPTION_TYPE_SELECTOR,
                                                                                'selections'=>$themes,
                                                                                'null_selection' => gettext('gallery theme'),
                                                                                'desc' => gettext('Select the theme to be used when a tablet device connects.')),
                                                            gettext('Test mode') => array('key' => 'mobileTheme_test', 'type' => OPTION_TYPE_SELECTOR,
                                                                                'selections'=>array(gettext('Phone')=>'phone',gettext('Tablet')=>'tablet'),
                                                                                'null_selection' => gettext('live'),
                                                                                'desc' => gettext('Put the plugin in <em>test mode</em> and it will simulate the selected device. If <em>live</em> is selected operations are normal.'))
        );
        return $options;
    }

    function handleOption($option, $currentValue) {
    }

    /**
     *
     * Filter to "setupTheme" that will override the gallery theme with the appropriate mobile theme
     * @param string $theme
     */
    static function theme($theme) {
        global $_zp_gallery;
        $detect = new mobile();
        if ($detect->isMobile()) {
            if ($detect->isTablet()) {
                $new = getOption('mobileTheme_tablet');
            } else {
                $new = getOption('mobileTheme_phone');
            }
        } else {
            $new = false;
        }
        if ($new) {
            if (array_key_exists($new, $_zp_gallery->getThemes())) {
                $theme = $new;
            }
        }
        return $theme;
    }

    /**
     *
     * places a link on the theme page to switch to or from the mobile theme
     * @param string $text link text
     */
    static function controlLink($text=NULL, $before=NULL, $after=Null) {
        $detect = new mobile();
        if ($detect->isMobile()) {
            if (zp_getCookie('zpcms_mobiletheme')) {
                if (is_null($text)) {
                    $text = gettext('View the mobile gallery');
                }
                $enable = 'on';
            } else {
                if (is_null($text)) {
                    $text = gettext('View the normal gallery');
                }
                $enable = 'off';
            }
            if ($before) {
                echo '<span class="beforetext">'.html_encode($before).'</span>';
            }
            if (MOD_REWRITE) {
                $link = '?mobileTheme=' . $enable;
            } else {
                global $_zp_gallery_page, $_zp_current_images, $_zp_current_album, $_zp_current_zenpage_news, $_zp_current_category, $_zp_current_zenpage_page;
                switch ($_zp_gallery_page) {
                    case 'index.php':
                        $link = 'index.php?mobileTheme=' . $enable;
                        break;
                    case getCustomGalleryIndexPage():
                        $link = 'index.php?p=' . stripSuffix(getCustomGalleryIndexPage()) . '&amp;mobileTheme=' . $enable;
                        break;
                    case 'album.php':
                        $link = $_zp_current_album->getLink(null) . '&amp;mobileTheme=' . $enable;
                        break;
                    case 'image.php':
                        $link = $_zp_current_image->getLink(null) . '&amp;mobileTheme=' . $enable;
                        break;
                    case 'news.php':
                        if (is_NewsArticle()) {
                            $link = html_encode($_zp_current_zenpage_news->getLink(null)) . '&amp;mobileTheme=' . $enable;
                        } else if (is_NewsCategory()) {
                            $link = html_encode($_zp_current_category->getLink(null)) . '&amp;mobileTheme=' . $enable;
                        } else {
                            $link = html_encode(getNewsIndexURL()) . '&amp;mobileTheme=' . $enable;
                        }
                        break;
                    case 'pages.php':
                        $link = html_encode($_zp_current_zenpage_page->getLink()) . '&amp;mobileTheme=' . $enable;
                        break;
                    default:
                        $link = html_encode($_zp_gallery_page) . '?mobileTheme=' . $enable;
                        break;
                }
            }
?>
            <span class="mobileThemeControlLink">

                <a href="<?php echo $link; ?>" rel="external">
                    <?php echo html_encode($text); ?>
                </a>
            </span>
            <?php
            if ($after) {
                echo '<span class="aftertext">'.html_encode($after).'</span>';
            }
        }
    }

}

require_once(SERVERPATH.'/'.ZENFOLDER.'/'.PLUGIN_FOLDER.'/mobileTheme/Mobile_Detect.php');

class mobile extends Mobile_Detect {

    function __construct() {
        parent::__construct();
    }

    /**
     * (non-PHPdoc)
     * @see Mobile_Detect::isMobile()
     */
    function isMobile($userAgent = NULL, $httpHeaders = NULL) {
        if (getOption('mobileTheme_test')) {
            return true;
        }
        return parent::isMobile();
    }

    /**
     * (non-PHPdoc)
     * @see Mobile_Detect::isTablet()
     */
    function isTablet($userAgent = NULL, $httpHeaders = NULL) {
        if (getOption('mobileTheme_test')=='tablet') {
            return true;
        }
        return parent::isTablet();
    }

}

if (isset($_GET['mobileTheme'])) {
    switch ($_GET['mobileTheme']) {
        case 'on':
            zp_setCookie('zpcms_mobiletheme', 0);
            break;
        case 'off':
            zp_setCookie('zpcms_mobiletheme', 1);
            break;
    }
}

if (!zp_getCookie('zpcms_mobiletheme')) {
    zp_register_filter('setupTheme', 'mobileTheme::theme');
}

?>