1 files changed, 131 insertions, 0 deletions
diff --git a/Zotlabs/Render/Theme.php b/Zotlabs/Render/Theme.php
new file mode 100644
index 000000000..a8b86f371
--- /dev/null
+++ b/Zotlabs/Render/Theme.php
@@ -0,0 +1,131 @@
+<?php
+
+namespace Zotlabs\Render;
+
+
+class Theme {
+
+	static $system_theme = null;
+	static $system_mobile_theme = null;
+
+	static $session_theme = null;
+	static $session_mobile_theme = null;
+
+	static $base_themes = array('redbasic');	
+
+	static public function current(){
+
+		self::$system_theme = ((isset(\App::$config['system']['theme'])) 
+			? \App::$config['system']['theme'] : '');
+		self::$session_theme = ((isset($_SESSION) && x($_SESSION,'theme')) 
+			? $_SESSION['theme'] : self::$system_theme);
+		self::$system_mobile_theme = ((isset(\App::$config['system']['mobile_theme'])) 
+			? \App::$config['system']['mobile_theme'] : '');
+		self::$session_mobile_theme = ((isset($_SESSION) && x($_SESSION,'mobile_theme')) 
+			? $_SESSION['mobile_theme'] : self::$system_mobile_theme);
+
+		$page_theme = null;
+
+		// Find the theme that belongs to the channel whose stuff we are looking at
+
+		if(\App::$profile_uid) {
+			$r = q("select channel_theme from channel where channel_id = %d limit 1",
+				intval(\App::$profile_uid)
+			);
+			if($r) {
+				$page_theme = $r[0]['channel_theme'];
+			}
+		}
+
+		// Themes from Comanche layouts over-ride the channel theme
+
+		if(array_key_exists('theme', \App::$layout) && \App::$layout['theme'])
+			$page_theme = \App::$layout['theme'];
+
+		// If the viewer is on a mobile device, ensure that we're using a mobile
+		// theme of some kind or whatever the viewer's preference is for mobile
+		// viewing (if applicable)
+
+		if(\App::$is_mobile || \App::$is_tablet) {
+			if(isset($_SESSION['show_mobile']) && (! $_SESSION['show_mobile'])) {
+				$chosen_theme = self::$session_theme;
+			}
+			else {
+				$chosen_theme = self::$session_mobile_theme;
+
+				if($chosen_theme === '' || $chosen_theme === '---' ) {
+					// user has selected to have the mobile theme be the same as the normal one
+					$chosen_theme = self::$session_theme;
+				}
+			}
+		}
+		else {
+			$chosen_theme = self::$session_theme;
+
+			if($page_theme) {
+				$chosen_theme = $page_theme;
+			}
+		}
+
+		// Allow theme selection of the form 'theme_name:schema_name'
+
+		$themepair = explode(':', $chosen_theme);
+
+		if($chosen_theme && (file_exists('view/theme/' . $themepair[0] . '/css/style.css') || file_exists('view/theme/' . $themepair[0] . '/php/style.php'))) {
+			return($themepair);
+		}
+
+		foreach(self::$base_themes as $t) {
+			if(file_exists('view/theme/' . $t . '/css/style.css') ||
+				file_exists('view/theme/' . $t . '/php/style.php')) {
+					return(array($t));
+			}
+		}
+
+		// Worst case scenario, the default base theme or themes don't exist; perhaps somebody renamed it/them.
+ 
+		// Find any theme at all and use it. 
+
+		$fallback = array_merge(glob('view/theme/*/css/style.css'),glob('view/theme/*/php/style.php'));
+		if(count($fallback))
+			return(array(str_replace('view/theme/','', substr($fallback[0],0,-14))));
+
+
+	}
+
+
+	/**
+	 * @brief Return full URL to theme which is currently in effect.
+	 *
+	 * Provide a sane default if nothing is chosen or the specified theme does not exist.
+	 *
+	 * @param bool $installing default false
+	 *
+	 * @return string
+	 */
+
+	function url($installing = false) {
+
+		if($installing)
+			return self::$base_themes[0];
+
+		$theme = self::current();
+
+		$t = $theme[0];
+		$s = ((count($theme) > 1) ? $t[1] : '');
+
+		$opts = '';
+		$opts = ((\App::$profile_uid) ? '?f=&puid=' . \App::$profile_uid : '');
+
+		$schema_str = ((x(\App::$layout,'schema')) ? '&schema=' . App::$layout['schema'] : ''); 
+		if(($s) && (! $schema_str))
+			$schema_str = '&schema=' . $s;
+		$opts .= $schema_str;
+
+		if(file_exists('view/theme/' . $t . '/php/style.php'))
+			return('view/theme/' . $t . '/php/style.pcss' . $opts);
+
+		return('view/theme/' . $t . '/css/style.css');
+	}
+}
+