d5975ff0bc
- Introduce variables for font colors - Set content background transparency on several background colors - Change radio/checkbox colors depending on the link color - Prevent post highlighting to end up on static white
231 lines
8.2 KiB
PHP
231 lines
8.2 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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use Friendica\DI;
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use Friendica\Util\Strings;
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require_once 'view/theme/frio/php/PHPColors/Color.php';
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$scheme = '';
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$schemecss = '';
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$schemecssfile = false;
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$scheme_modified = 0;
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DI::config()->load('frio');
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// Default to hard-coded values for empty settings
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$scheme = DI::config()->get('frio', 'scheme', DI::config()->get('frio', 'schema'));
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$nav_bg = DI::config()->get('frio', 'nav_bg') ?: '#708fa0';
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$nav_icon_color = DI::config()->get('frio', 'nav_icon_color') ?: '#ffffff';
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$link_color = DI::config()->get('frio', 'link_color') ?: '#6fdbe8';
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$background_color = DI::config()->get('frio', 'background_color') ?: '#ededed';
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$contentbg_transp = DI::config()->get('frio', 'contentbg_transp') ?? 100;
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$background_image = DI::config()->get('frio', 'background_image') ?: 'img/none.png';
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$bg_image_option = DI::config()->get('frio', 'bg_image_option') ?: '';
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$login_bg_image = DI::config()->get('frio', 'login_bg_image') ?: '';
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$login_bg_color = DI::config()->get('frio', 'login_bg_color') ?: '';
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$modified = DI::config()->get('frio', 'css_modified') ?: time();
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if (!$login_bg_image && !$login_bg_color) {
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$login_bg_image = 'img/login_bg.jpg';
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}
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$login_bg_color = $login_bg_color ?: '#ededed';
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// Get the UID of the profile owner.
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$uid = $_REQUEST['puid'] ?? 0;
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if ($uid) {
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DI::pConfig()->load($uid, 'frio');
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// Only override display settings that have actually been set
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$scheme = DI::pConfig()->get($uid, 'frio', 'scheme', DI::pConfig()->get($uid, 'frio', 'schema')) ?: $scheme;
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$nav_bg = DI::pConfig()->get($uid, 'frio', 'nav_bg') ?: $nav_bg;
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$nav_icon_color = DI::pConfig()->get($uid, 'frio', 'nav_icon_color') ?: $nav_icon_color;
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$link_color = DI::pConfig()->get($uid, 'frio', 'link_color') ?: $link_color;
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$background_color = DI::pConfig()->get($uid, 'frio', 'background_color') ?: $background_color;
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$contentbg_transp = DI::pConfig()->get($uid, 'frio', 'contentbg_transp') ?? $contentbg_transp;
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$background_image = DI::pConfig()->get($uid, 'frio', 'background_image') ?: $background_image;
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$bg_image_option = DI::pConfig()->get($uid, 'frio', 'bg_image_option') ?: $bg_image_option;
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$modified = DI::pConfig()->get($uid, 'frio', 'css_modified') ?: $modified;
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}
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// Now load the scheme. If a value is changed above, we'll keep the settings
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// If not, we'll keep those defined by the scheme
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// Setting $scheme to '' wasn't working for some reason, so we'll check it's
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// not --- like the mobile theme does instead.
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// Allow layouts to over-ride the scheme.
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if (!empty($_REQUEST['scheme'])) {
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$scheme = $_REQUEST['scheme'];
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}
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$scheme = Strings::sanitizeFilePathItem($scheme);
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if (($scheme) && ($scheme != '---')) {
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if (file_exists('view/theme/frio/scheme/' . $scheme . '.php')) {
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$schemefile = 'view/theme/frio/scheme/' . $scheme . '.php';
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require_once $schemefile;
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}
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if (file_exists('view/theme/frio/scheme/' . $scheme . '.css')) {
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$schemecssfile = 'view/theme/frio/scheme/' . $scheme . '.css';
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}
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}
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// If we haven't got a scheme, load the default. We shouldn't touch this - we
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// should leave it for admins to define for themselves.
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// default.php and default.css MUST be symlinks to existing scheme files.
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if (!$scheme) {
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if (file_exists('view/theme/frio/scheme/default.php')) {
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$schemefile = 'view/theme/frio/scheme/default.php';
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require_once $schemefile;
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}
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if (file_exists('view/theme/frio/scheme/default.css')) {
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$schemecssfile = 'view/theme/frio/scheme/default.css';
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}
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}
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$contentbg_transp = ((isset($contentbg_transp) && $contentbg_transp != '') ? $contentbg_transp : 100);
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// Calculate some colors in dependance of existing colors.
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// Some colors are calculated to don't have too many selection
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// fields in the theme settings.
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if (!isset($menu_background_hover_color)) {
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$mbhc = new Color($nav_bg);
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$mcolor = $mbhc->getHex();
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if ($mbhc->isLight($mcolor, 75)) {
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$menu_is = 'light';
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$menu_background_hover_color = '#' . $mbhc->darken(5);
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} else {
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$menu_is = 'dark';
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$menu_background_hover_color = '#' . $mbhc->lighten(5);
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}
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}
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if (!isset($nav_icon_hover_color)) {
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$nihc = new Color($nav_bg);
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if ($nihc->isLight()) {
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$nav_icon_hover_color = '#' . $nihc->darken(10);
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} else {
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$nav_icon_hover_color = '#' . $nihc->lighten(20);
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}
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}
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if (!isset($link_hover_color)) {
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$lhc = new Color($link_color);
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$lcolor = $lhc->getHex();
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if ($lhc->isLight($lcolor, 75)) {
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$link_hover_color = '#' . $lhc->darken(5);
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} else {
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$link_hover_color = '#' . $lhc->lighten(5);
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}
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}
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// Convert $bg_image_options into css.
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if (!isset($bg_image_option)) {
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$bg_image_option = null;
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}
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switch ($bg_image_option) {
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case 'stretch':
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$background_size_img = '100%';
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$background_repeat = 'no-repeat';
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break;
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case 'cover':
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$background_size_img = 'cover';
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$background_repeat = 'no-repeat';
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break;
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case 'repeat':
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$background_size_img = 'auto';
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$background_repeat = 'repeat';
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break;
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case 'contain':
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$background_size_img = 'contain';
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$background_repeat = 'repeat';
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break;
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default:
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$background_size_img = 'auto';
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$background_repeat = 'no-repeat';
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break;
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}
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// Convert transparency level from percentage to opacity value.
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$contentbg_transp = $contentbg_transp / 100;
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$options = [
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'$nav_bg' => $nav_bg,
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'$nav_icon_color' => $nav_icon_color,
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'$nav_icon_hover_color' => $nav_icon_hover_color,
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'$link_color' => $link_color,
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'$link_hover_color' => $link_hover_color,
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'$menu_background_hover_color' => $menu_background_hover_color,
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'$btn_primary_color' => $nav_icon_color,
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'$btn_primary_hover_color' => $menu_background_hover_color,
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'$background_color' => $background_color,
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'$contentbg_transp' => $contentbg_transp,
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'$background_image' => $background_image,
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'$background_size_img' => $background_size_img,
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'$background_repeat' => $background_repeat,
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'$login_bg_image' => $login_bg_image,
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'$login_bg_color' => $login_bg_color,
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'$font_color_darker' => $font_color_darker ?? '#555',
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'$font_color' => $font_color ?? '#777',
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];
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$css_tpl = file_get_contents('view/theme/frio/css/style.css');
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// Get the content of the scheme css file and the time of the last file change.
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if ($schemecssfile) {
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$css_tpl .= file_get_contents($schemecssfile);
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$scheme_modified = filemtime($schemecssfile);
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}
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// We need to check which is the most recent css data.
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// We will use this time later to decide if we load the cached or fresh css data.
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if ($scheme_modified > $modified) {
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$modified = $scheme_modified;
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}
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// Apply the settings to the css template.
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$css = str_replace(array_keys($options), array_values($options), $css_tpl);
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$modified = gmdate('r', $modified);
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$etag = md5($css);
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// Set a header for caching.
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header('Cache-Control: public');
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header('ETag: "' . $etag . '"');
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header('Last-Modified: ' . $modified);
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// Only send the CSS file if it was changed.
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/// @todo Check if this works at all (possibly clients are sending only the one or the other header) - compare with mod/photo.php
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if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
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$cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
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$cached_etag = str_replace(['"', '-gzip'], ['', ''],
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stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
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if (($cached_modified == $modified) && ($cached_etag == $etag)) {
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header('HTTP/1.1 304 Not Modified');
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exit();
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}
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}
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echo $css;
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