<?php
-require_once('view/theme/frio/php/PHPColors/Color.php');
-
-
-if(! $a->install) {
- // Get the UID of the channel owner
- $uid = get_theme_uid();
- if($uid) {
- load_pconfig($uid,'frio');
+/**
+ * @file view/theme/frio/style.php
+ */
+
+use Friendica\Core\Config;
+use Friendica\Core\PConfig;
+
+require_once 'view/theme/frio/php/PHPColors/Color.php';
+
+$schemecss = "";
+$schemecssfile = false;
+$scheme_modified = 0;
+
+if ($a->module !== 'install') {
+ // Get the UID of the profile owner.
+ $uid = Profile::getThemeUid();
+ if ($uid) {
+ PConfig::load($uid, 'frio');
+
+ // Load the profile owners pconfig.
+ $schema = PConfig::get($uid, "frio", "schema");
+ $nav_bg = PConfig::get($uid, "frio", "nav_bg");
+ $nav_icon_color = PConfig::get($uid, "frio", "nav_icon_color");
+ $link_color = PConfig::get($uid, "frio", "link_color");
+ $bgcolor = PConfig::get($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.
+ $schema = 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");
+ $bgcolor = 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");
+ $modified = Config::get("frio", "css_modified");
+
+ // There is maybe the case that the user did never modify the theme settings.
+ // In this case we store the present time.
+ if (empty($modified)) {
+ Config::set('frio', 'css_modified', time());
+ }
}
- // Load the owners pconfig
- $schema = get_pconfig($uid, "frio", "schema");
- $nav_bg = get_pconfig($uid, "frio", "nav_bg");
- $nav_icon_color = get_pconfig($uid, "frio", "nav_icon_color");
- $link_color = get_pconfig($uid, "frio", "link_color");
- $bgcolor = get_pconfig($uid, "frio", "background_color");
- $contentbg_transp = get_pconfig($uid, "frio", "contentbg_transp");
- $background_image = get_pconfig($uid, "frio", "background_image");
- $bg_image_option = get_pconfig($uid, "frio", "bg_image_option");
}
// Now load the scheme. If a value is changed above, we'll keep the settings
// If not, we'll keep those defined by the schema
// Setting $schema to '' wasn't working for some reason, so we'll check it's
// not --- like the mobile theme does instead.
-// Allow layouts to over-ride the schema
-if($_REQUEST['schema']) {
+// Allow layouts to over-ride the schema.
+if (x($_REQUEST, 'schema')) {
$schema = $_REQUEST['schema'];
}
+
+// Sanitize the data.
+$schema = !empty($schema) ? basename($schema) : "";
+
+
if (($schema) && ($schema != '---')) {
- // Check it exists, because this setting gets distributed to clones
- if(file_exists('view/theme/frio/schema/' . $schema . '.php')) {
+ if (file_exists('view/theme/frio/schema/' . $schema . '.php')) {
$schemefile = 'view/theme/frio/schema/' . $schema . '.php';
- require_once ($schemefile);
+ require_once $schemefile;
}
- if(file_exists('view/theme/frio/schema/' . $schema . '.css')) {
- $schemecss = file_get_contents('view/theme/frio/schema/' . $schema . '.css');
+ if (file_exists('view/theme/frio/schema/' . $schema . '.css')) {
+ $schemecssfile = 'view/theme/frio/schema/' . $schema . '.css';
}
}
// should leave it for admins to define for themselves.
// default.php and default.css MUST be symlinks to existing schema files.
if (! $schema) {
- if(file_exists('view/theme/frio/schema/default.php')) {
+ if (file_exists('view/theme/frio/schema/default.php')) {
$schemefile = 'view/theme/frio/schema/default.php';
- require_once ($schemefile);
+ require_once $schemefile;
}
- if(file_exists('view/theme/frio/schema/default.css')) {
- $schemecss = file_get_contents('view/theme/frio/schema/default.css');
+ if (file_exists('view/theme/frio/schema/default.css')) {
+ $schemecssfile = 'view/theme/frio/schema/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.
-if(! $nav_bg)
- $nav_bg = "#708fa0";
-if(! $nav_icon_color)
- $nav_icon_color = "#fff";
-if(! $link_color)
- $link_color = "#6fdbe8";
-if(! $bgcolor)
- $bgcolor = "#ededed";
-if(! $contentbg_transp)
- $contentbg_transp = 100;
-if(! $background_image)
- $background_image ='';
-
-// Calculate some colors in dependance of existing colors
+$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" : $link_color);
+$bgcolor = (empty($bgcolor) ? "#ededed" : $bgcolor);
+// The background image can not be empty. So we use a dummy jpg if no image was set.
+$background_image = (empty($background_image) ? 'img/none.jpg' : $background_image);
+$login_bg_image = (empty($login_bg_image) ? 'img/login_bg.jpg' : $login_bg_image);
+$modified = (empty($modified) ? time() :$modified);
+
+$contentbg_transp = ((isset($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(! $menu_background_hover_color) {
+// fields in the theme settings.
+if (!isset($menu_background_hover_color)) {
$mbhc = new Color($nav_bg);
$mcolor = $mbhc->getHex();
- if($mbhc->isLight($mcolor, 75)) {
+ if ($mbhc->isLight($mcolor, 75)) {
$menu_is = 'light';
$menu_background_hover_color = '#' . $mbhc->darken(5);
} else {
$menu_is = 'dark';
$menu_background_hover_color = '#' . $mbhc->lighten(5);
- //$menu_background_hover_color = "#628394";
}
}
-if(! $nav_icon_hover_color) {
+if (!isset($nav_icon_hover_color)) {
$nihc = new Color($nav_bg);
- if($nihc->isLight())
+ if ($nihc->isLight()) {
$nav_icon_hover_color = '#' . $nihc->darken(10);
- else
+ } else {
$nav_icon_hover_color = '#' . $nihc->lighten(10);
+ }
}
-if(! $link_hover_color) {
+if (!isset($link_hover_color)) {
$lhc = new Color($link_color);
$lcolor = $lhc->getHex();
- if($lhc->isLight($lcolor, 75)) {
+ if ($lhc->isLight($lcolor, 75)) {
$link_hover_color = '#' . $lhc->darken(5);
} else {
$link_hover_color = '#' . $lhc->lighten(5);
}
-
}
-// Convert $bg_image_options into css
+// 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%";
break;
}
-// Convert transparency level from percentage to opacity value
+// Convert transparency level from percentage to opacity value.
$contentbg_transp = $contentbg_transp / 100;
+$options = array (
+ '$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' => $menu_background_hover_color,
+ '$bgcolor' => $bgcolor,
+ '$contentbg_transp' => $contentbg_transp,
+ '$background_image' => $background_image,
+ '$background_size_img' => $background_size_img,
+ '$login_bg_image' => $login_bg_image,
+);
+
+$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);
+}
-// Apply the settings
-if(file_exists('view/theme/frio/css/style.css')) {
- $x = file_get_contents('view/theme/frio/css/style.css');
-
- $options = array (
- '$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' => $menu_background_hover_color,
- '$bgcolor' => $bgcolor,
- '$contentbg_transp' => $contentbg_transp,
- '$background_image' => $background_image,
- '$background_size_img' => $background_size_img,
- );
-
- echo str_replace(array_keys($options), array_values($options), $x);
+// We need to check which is the most recent css data.
+// We will use this time later to decide if we load the cached or fresh css data.
+if ($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($css);
-if($schemecss) {
- echo $schemecss;
+// Set a header for caching.
+header('Cache-Control: public');
+header('ETag: "'.$etag.'"');
+header('Last-Modified: '.$modified);
+
+// Only send the CSS file if it was changed.
+if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) || isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
+ $cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
+ $cached_etag = str_replace(array('"', "-gzip"), array('', ''),
+ stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
+
+ if (($cached_modified == $modified) && ($cached_etag == $etag)) {
+ header('HTTP/1.1 304 Not Modified');
+ exit();
+ }
}
+
+echo $css;