friendica/view/theme/frio/style.php
2019-02-18 14:21:13 +01:00

242 lines
8.4 KiB
PHP

<?php
/**
* @file view/theme/frio/style.php
*/
use Friendica\Core\Config;
use Friendica\Core\PConfig;
require_once 'view/theme/frio/php/PHPColors/Color.php';
$schemecss = '';
$schemecssfile = false;
$scheme_modified = 0;
if ($a->module !== 'install') {
// Get the UID of the profile owner.
$uid = defaults($_REQUEST, 'puid', 0);
if ($uid) {
PConfig::load($uid, 'frio');
// Load the profile owners pconfig.
$scheme = PConfig::get($uid, 'frio', 'scheme', PConfig::get($uid, 'frio', 'schema'));
\Friendica\Core\Logger::alert($scheme);
$nav_bg = PConfig::get($uid, 'frio', 'nav_bg');
$nav_icon_color = PConfig::get($uid, 'frio', 'nav_icon_color');
$link_color = PConfig::get($uid, 'frio', 'link_color');
$background_color = PConfig::get($uid, 'frio', 'background_color');
$contentbg_transp = PConfig::get($uid, 'frio', 'contentbg_transp');
$background_image = PConfig::get($uid, 'frio', 'background_image');
$bg_image_option = PConfig::get($uid, 'frio', 'bg_image_option');
$modified = PConfig::get($uid, 'frio', 'css_modified');
// There is maybe the case that the user did never modify the theme settings.
// In this case we store the present time.
if (empty($modified)) {
PConfig::set($uid, 'frio', 'css_modified', time());
}
} else {
Config::load('frio');
// Load frios system config.
$scheme = Config::get('frio', 'scheme', Config::get('frio', 'schema'));
$nav_bg = Config::get('frio', 'nav_bg');
$nav_icon_color = Config::get('frio', 'nav_icon_color');
$link_color = Config::get('frio', 'link_color');
$background_color = Config::get('frio', 'background_color');
$contentbg_transp = Config::get('frio', 'contentbg_transp');
$background_image = Config::get('frio', 'background_image');
$bg_image_option = Config::get('frio', 'bg_image_option');
$login_bg_image = Config::get('frio', 'login_bg_image');
$login_bg_color = Config::get('frio', 'login_bg_color');
$modified = Config::get('frio', 'css_modified');
// There is maybe the case that the user did never modify the theme settings.
// In this case we store the present time.
if (empty($modified)) {
Config::set('frio', 'css_modified', time());
}
}
}
// Now load the scheme. If a value is changed above, we'll keep the settings
// If not, we'll keep those defined by the scheme
// Setting $scheme to '' wasn't working for some reason, so we'll check it's
// not --- like the mobile theme does instead.
// Allow layouts to over-ride the scheme.
if (!empty($_REQUEST['scheme'])) {
$scheme = $_REQUEST['scheme'];
}
// Sanitize the data.
$scheme = !empty($scheme) ? basename($scheme) : '';
if (($scheme) && ($scheme != '---')) {
if (file_exists('view/theme/frio/scheme/' . $scheme . '.php')) {
$schemefile = 'view/theme/frio/scheme/' . $scheme . '.php';
require_once $schemefile;
}
if (file_exists('view/theme/frio/scheme/' . $scheme . '.css')) {
$schemecssfile = 'view/theme/frio/scheme/' . $scheme . '.css';
}
}
// If we haven't got a scheme, load the default. We shouldn't touch this - we
// should leave it for admins to define for themselves.
// default.php and default.css MUST be symlinks to existing scheme files.
if (!$scheme) {
if (file_exists('view/theme/frio/scheme/default.php')) {
$schemefile = 'view/theme/frio/scheme/default.php';
require_once $schemefile;
}
if (file_exists('view/theme/frio/scheme/default.css')) {
$schemecssfile = 'view/theme/frio/scheme/default.css';
}
}
//Set some defaults - we have to do this after pulling owner settings, and we have to check for each setting
//individually. If we don't, we'll have problems if a user has set one, but not all options.
$nav_bg = (empty($nav_bg) ? '#708fa0' : $nav_bg);
$nav_icon_color = (empty($nav_icon_color) ? '#fff' : $nav_icon_color);
$link_color = (empty($link_color) ? '#6fdbe8' : $link_color);
$background_color = (empty($background_color) ? '#ededed' : $background_color);
// The background image can not be empty. So we use a dummy jpg if no image was set.
$background_image = (empty($background_image) ? 'img/none.jpg' : $background_image);
$modified = (empty($modified) ? time() : $modified);
// set a default login bg image if no custom image and no custom bg color are set.
if (empty($login_bg_image) && empty($login_bg_color)) {
$login_bg_image = 'img/login_bg.jpg';
}
$login_bg_color = (empty($login_bg_color) ? '#ededed' : $login_bg_color);
$login_bg_image = (empty($login_bg_image) ? '' : $login_bg_image);
$contentbg_transp = ((isset($contentbg_transp) && $contentbg_transp != '') ? $contentbg_transp : 100);
// Calculate some colors in dependance of existing colors.
// Some colors are calculated to don't have too many selection
// fields in the theme settings.
if (!isset($menu_background_hover_color)) {
$mbhc = new Color($nav_bg);
$mcolor = $mbhc->getHex();
if ($mbhc->isLight($mcolor, 75)) {
$menu_is = 'light';
$menu_background_hover_color = '#' . $mbhc->darken(5);
} else {
$menu_is = 'dark';
$menu_background_hover_color = '#' . $mbhc->lighten(5);
}
}
if (!isset($nav_icon_hover_color)) {
$nihc = new Color($nav_bg);
if ($nihc->isLight()) {
$nav_icon_hover_color = '#' . $nihc->darken(10);
} else {
$nav_icon_hover_color = '#' . $nihc->lighten(10);
}
}
if (!isset($link_hover_color)) {
$lhc = new Color($link_color);
$lcolor = $lhc->getHex();
if ($lhc->isLight($lcolor, 75)) {
$link_hover_color = '#' . $lhc->darken(5);
} else {
$link_hover_color = '#' . $lhc->lighten(5);
}
}
// Convert $bg_image_options into css.
if (!isset($bg_image_option)) {
$bg_image_option = null;
}
switch ($bg_image_option) {
case 'stretch':
$background_size_img = '100%';
$background_repeat = 'no-repeat';
break;
case 'cover':
$background_size_img = 'cover';
$background_repeat = 'no-repeat';
break;
case 'repeat':
$background_size_img = 'auto';
$background_repeat = 'repeat';
break;
case 'contain':
$background_size_img = 'contain';
$background_repeat = 'repeat';
break;
default:
$background_size_img = 'auto';
$background_repeat = 'no-repeat';
break;
}
// Convert transparency level from percentage to opacity value.
$contentbg_transp = $contentbg_transp / 100;
$options = [
'$nav_bg' => $nav_bg,
'$nav_icon_color' => $nav_icon_color,
'$nav_icon_hover_color' => $nav_icon_hover_color,
'$link_color' => $link_color,
'$link_hover_color' => $link_hover_color,
'$menu_background_hover_color' => $menu_background_hover_color,
'$btn_primary_color' => $nav_icon_color,
'$btn_primary_hover_color' => $menu_background_hover_color,
'$background_color' => $background_color,
'$contentbg_transp' => $contentbg_transp,
'$background_image' => $background_image,
'$background_size_img' => $background_size_img,
'$background_repeat' => $background_repeat,
'$login_bg_image' => $login_bg_image,
'$login_bg_color' => $login_bg_color
];
$css_tpl = file_get_contents('view/theme/frio/css/style.css');
// Get the content of the scheme css file and the time of the last file change.
if ($schemecssfile) {
$css_tpl .= file_get_contents($schemecssfile);
$scheme_modified = filemtime($schemecssfile);
}
// We need to check which is the most recent css data.
// We will use this time later to decide if we load the cached or fresh css data.
if ($scheme_modified > $modified) {
$modified = $scheme_modified;
}
// Apply the settings to the css template.
$css = str_replace(array_keys($options), array_values($options), $css_tpl);
$modified = gmdate('r', $modified);
$etag = md5($css);
// Set a header for caching.
header('Cache-Control: public');
header('ETag: "' . $etag . '"');
header('Last-Modified: ' . $modified);
// Only send the CSS file if it was changed.
/// @todo Check if this works at all (possibly clients are sending only the one or the other header) - compare with mod/photo.php
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
$cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
$cached_etag = str_replace(['"', '-gzip'], ['', ''],
stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
if (($cached_modified == $modified) && ($cached_etag == $etag)) {
header('HTTP/1.1 304 Not Modified');
exit();
}
}
echo $css;