[friendica.git] / theme.php

<?php
/*
 * Name: frio
 * Description: Bootstrap V3 theme. The theme is currently under construction, so it is far from finished. For further information have a look at the <a href="https://github.com/rabuzarus/frio/blob/master/README.md">ReadMe</a> and <a href="https://github.com/rabuzarus/frio">GitHub</a>.
 * Version: V.0.1 Alpha
 * Author: Rabuzarus <https://friendica.kommune4.de/profile/rabuzarus>
 * 
 */

$frio = "view/theme/frio";

global $frio;

function frio_init(&$a) {
        set_template_engine($a, 'smarty3');

        $baseurl = $a->get_baseurl();

        $style = get_pconfig(local_user(), 'frio', 'style');

        $frio = "view/theme/frio";

        global $frio;
        
        


        if ($style == "")
                $style = get_config('frio', 'style');
}

function frio_install() {
        register_hook('prepare_body_final', 'view/theme/frio/theme.php', 'frio_item_photo_links');
        register_hook('item_photo_menu', 'view/theme/frio/theme.php', 'frio_item_photo_menu');
        register_hook('contact_photo_menu', 'view/theme/frio/theme.php', 'frio_contact_photo_menu');
        register_hook('nav_info', 'view/theme/frio/theme.php', 'frio_remote_nav');

        logger("installed theme frio");
}

function frio_uninstall() {
        unregister_hook('prepare_body_final', 'view/theme/frio/theme.php', 'frio_item_photo_links');
        unregister_hook('item_photo_menu', 'view/theme/frio/theme.php', 'frio_item_photo_menu');
        unregister_hook('nav_info', 'view/theme/frio/theme.php', 'frio_remote_nav');

        logger("uninstalled theme frio");
}
/**
 * @brief Replace friendica photo links
 * 
 *  This function does replace the links to photos
 *  of other friendica users. Original the photos are
 *  linked to the photo page. Now they will linked directly
 *  to the photo file. This function is nessesary to use colorbox
 *  in the network stream
 * 
 * @param App $a
 * @param array $body_info The item and its html output
 */
function frio_item_photo_links(&$a, &$body_info) {
        require_once('include/Photo.php');

        $phototypes = Photo::supportedTypes();
        $occurence = 1;
        $p = bb_find_open_close($body_info['html'], "<a", ">");

        while($p !== false && ($occurence++ < 500)) {
                $link = substr($body_info['html'], $p['start'], $p['end'] - $p['start']);
                $matches = array();

                preg_match("/\/photos\/[\w]+\/image\/([\w]+)/", $link, $matches);
                if($matches) {
                        // Replace the link for the photo's page with a direct link to the photo itself
                        $newlink = str_replace($matches[0], "/photo/{$matches[1]}", $link);

                        // Add a "quiet" parameter to any redir links to prevent the "XX welcomes YY" info boxes
                        $newlink = preg_replace("/href=\"([^\"]+)\/redir\/([^\"]+)&url=([^\"]+)\"/", 'href="$1/redir/$2&quiet=1&url=$3"', $newlink);

                         // Having any arguments to the link for Colorbox causes it to fetch base64 code instead of the image
                        $newlink = preg_replace("/\/[?&]zrl=([^&\"]+)/", '', $newlink);

                        $body_info['html'] = str_replace($link, $newlink, $body_info['html']);
                }

                $p = bb_find_open_close($body_info['html'], "<a", ">", $occurence);
        }
}

/**
 * @brief Replace links of the item_photo_menu
 * 
 *  This function replaces the original poke and the message links
 *  to call the addToModal javascript function so this pages can
 *  be loaded in a bootstrap modal
 * 
 * @param app $a The app data
 * @param array $arr Contains item data and the original photo_menu
 */
function frio_item_photo_menu($a, &$arr){

        foreach($arr["menu"] as $k =>$v) {
                if(strpos($v,'poke/?f=&c=') === 0 || strpos($v,'message/new/') === 0) {
                        $v = "javascript:addToModal('" . $v . "'); return false;";
                        $arr["menu"][$k] = $v;
                }
        }
        $args = array('item' => $item, 'menu' => $menu);
}

/**
 * @brief Replace links of the contact_photo_menu
 * 
 *  This function replaces the original poke and the message links
 *  to call the addToModal javascript function so this pages can
 *  be loaded in a bootstrap modal
 *  Additionally the profile, status and photo page links  will be changed
 *  to don't open in a new tab if the contact is a friendica contact.
 * 
 * @param app $a The app data
 * @param array $args Contains contact data and the original photo_menu
 */
function frio_contact_photo_menu($a, &$args){

        $pokelink = "";
        $pmlink = "";
        $cid = "";

        $cid = $args["contact"]["id"];
        $pokelink = $args["menu"]["poke"][1];
        $pmlink = $args["menu"]["pm"][1];

        // Set the the indicator for opening the status, profile and photo pages
        // in a new tab to false if the contact a dfrn (friendica) contact
        // We do this because we can go back on foreign friendica pages throuhg
        // friendicas "magic-link" which indicates a friendica user on froreign
        // friendica servers as remote user or visitor
        //
        // The value for opening in a new tab is e.g. when 
        // $args["menu"]["status"][2] is true. If the value of the [2] key is true
        // and if it's a friendica contact we set it to false
        foreach($args["menu"] as $k =>$v) {
                if($k === "status" || $k === "profile" || $k === "photos") {
                        $v[2] = (($args["contact"]["network"] === "dfrn") ? false : true);
                        $args["menu"][$k][2] = $v[2];
                }
        }

        // Add to pm and poke links a new key with the value 'modal'.
        // Later we can make conditions in the corresponing templates (e.g.
        // contact_template.tpl)
        if(strpos($pokelink,'poke/?f=&c='. $cid) !== false)
                $args["menu"]["poke"][3] = "modal";

        if(strpos($pmlink,'message/new/' . $cid) !== false)
                $args["menu"]["pm"][3] = "modal";

        $args = array('contact' => $contact, 'menu' => &$menu);
}

/**
 * @brief Construct remote nav menu
 * 
 *  It creates a remote baseurl form $_SESSION for remote users and friendica
 *  visitors. This url will be added to some of the nav links. With this behaviour 
 *  the user will come back to her/his own pages on his/her friendica server.
 *  Not all possible links are available (notifications, administrator, manage,
 *  notes aren't available because we have no way the check remote permissions)..
 *  Some links will point to the local pages because the user would expect
 *  local page (these pages are: search, community, help, apps, directory).
 * 
 * @param app $a The App class
 * @param array $nav The original nav menu
 */
function frio_remote_nav($a,&$nav) {
        // get the homelink from $_XSESSION
        $homelink = get_my_url();
        if(! $homelink)
                $homelink = ((x($_SESSION,'visitor_home')) ? $_SESSION['visitor_home'] : '');

        // split up the url in it's parts (protocol,domain/directory, /profile/, nickname
        // I'm not familiar with regex, so someone might find a better solutionen
        // 
        // E.g $homelink = 'https://friendica.domain.com/profile/mickey' should result in an array
        // with 0 => 'https://friendica.domain.com/profile/mickey' 1 => 'https://',
        // 2 => 'friendica.domain.com' 3 => '/profile/' 4 => 'mickey'
        // 
        //$server_url = preg_match('/^(https?:\/\/.*?)\/profile\//2', $homelink);
        preg_match('/^(https?:\/\/)?(.*?)(\/profile\/)(.*)/', $homelink, $url_parts);

        // Construct the server url of the visitor. So we could link back to his/her own menu.
        // And construct a webbie (e.g. mickey@friendica.domain.com for the search in gcontact
        // We use the webbie for search in gcontact because we don't know if gcontact table stores
        // the right value if its http or https protocol
        if(count($url_parts)) {
                $server_url = $url_parts[1] . $url_parts[2];
                $webbie = $url_parts[4] . '@' . $url_parts[2];
        }

        // since $userinfo isn't available for the hook we write it to the nav array
        // this isn't optimal because the contact query will be done now twice
        if(local_user()) {
                // empty the server url for local user because we won't need it
                $server_url = '';
                // user info
                $r = q("SELECT `micro` FROM `contact` WHERE `uid` = %d AND `self` = 1", intval($a->user['uid']));
                
                $r[0]['photo'] = (count($r) ? $a->remove_baseurl($r[0]['micro']) : "images/person-48.jpg");
                $r[0]['name'] = $a->user['username'];

        } elseif(!local_user() && remote_user()) {
                $r = q("SELECT `name`, `nick`, `micro` AS `photo` FROM `contact` WHERE `id` = %d", intval(remote_user()));
                $nav['remote'] = t("Remote");

        } elseif(get_my_url ()) {
                $r = q("SELECT `name`, `nick`, `photo` FROM `gcontact`
                                WHERE `addr` = '%s' AND `network` = 'dfrn'",
                        dbesc($webbie));
                $nav['remote'] = t("Visitor");
        }

        if(count($r)){
                        $nav['userinfo'] = array(
                                'icon' => (count($r) ? $r[0]['photo'] : "images/person-48.jpg"),
                                'name' => $r[0]['name'],
                        );
                }

        if(!local_user() && !empty($server_url)) {
                $nav['logout'] = Array($server_url . '/logout',t('Logout'), "", t('End this session'));

                // user menu
                $nav['usermenu'][] = Array($server_url . '/profile/' . $a->user['nickname'], t('Status'), "", t('Your posts and conversations'));
                $nav['usermenu'][] = Array($server_url . '/profile/' . $a->user['nickname']. '?tab=profile', t('Profile'), "", t('Your profile page'));
                $nav['usermenu'][] = Array($server_url . '/photos/' . $a->user['nickname'], t('Photos'), "", t('Your photos'));
                $nav['usermenu'][] = Array($server_url . '/videos/' . $a->user['nickname'], t('Videos'), "", t('Your videos'));
                $nav['usermenu'][] = Array($server_url . '/events/', t('Events'), "", t('Your events'));

                // navbar links
                $nav['network'] = array($server_url . '/network', t('Network'), "", t('Conversations from your friends'));
                $nav['events'] = Array($server_url . '/events', t('Events'), "", t('Events and Calendar'));
                $nav['messages'] = array($server_url . '/message', t('Messages'), "", t('Private mail'));
                $nav['settings'] = array($server_url . '/settings', t('Settings'),"", t('Account settings'));
                $nav['contacts'] = array($server_url . '/contacts', t('Contacts'),"", t('Manage/edit friends and contacts'));
                $nav['sitename'] = $a->config['sitename'];
        }
}