+ $css = '';
+
+ $bgcolor = Design::toWebColor($this->backgroundcolor);
+
+ if (!empty($bgcolor)) {
+ $css .= 'body { background-color: #' . $bgcolor->hexValue() . ' }' . "\n";
+ }
+
+ $ccolor = Design::toWebColor($this->contentcolor);
+
+ if (!empty($ccolor)) {
+ $css .= '#content, #site_nav_local_views .current a { background-color: #';
+ $css .= $ccolor->hexValue() . '} '."\n";
+ }
+
+ $sbcolor = Design::toWebColor($this->sidebarcolor);
+
+ if (!empty($sbcolor)) {
+ $css .= '#aside_primary { background-color: #'. $sbcolor->hexValue() . ' }' . "\n";
+ }
+
+ $tcolor = Design::toWebColor($this->textcolor);
+
+ if (!empty($tcolor)) {
+ $css .= 'html body { color: #'. $tcolor->hexValue() . ' }'. "\n";
+ }
+
+ $lcolor = Design::toWebColor($this->linkcolor);
+
+ if (!empty($lcolor)) {
+ $css .= 'a { color: #' . $lcolor->hexValue() . ' }' . "\n";
+ }
+
+ if (!empty($this->backgroundimage) &&
+ $this->disposition & BACKGROUND_ON) {
+
+ $repeat = ($this->disposition & BACKGROUND_TILE) ?
+ 'background-repeat:repeat;' :
+ 'background-repeat:no-repeat;';
+
+ $css .= 'body { background-image:url(' .
+ Design::url($this->backgroundimage) .
+ '); ' . $repeat . ' background-attachment:fixed; }' . "\n";
+ }
+
+ if (0 != mb_strlen($css)) {
+ $out->element('style', array('type' => 'text/css'), $css);
+ }
+ }
+
+ static function toWebColor($color)
+ {
+ if ($color == null) {
+ return null;
+ }
+
+ try {
+ return new WebColor($color);
+ } catch (WebColorException $e) {
+ // This shouldn't happen
+ common_log(LOG_ERR, "Unable to create web color for $color",
+ __FILE__);
+ return null;
+ }
+ }
+
+ static function filename($id, $extension, $extra=null)
+ {
+ return $id . (($extra) ? ('-' . $extra) : '') . $extension;
+ }
+
+ static function path($filename)
+ {
+ $dir = common_config('background', 'dir');
+
+ if ($dir[strlen($dir)-1] != '/') {
+ $dir .= '/';
+ }
+
+ return $dir . $filename;
+ }
+
+ static function url($filename)
+ {
+ $path = common_config('background', 'path');
+
+ if ($path[strlen($path)-1] != '/') {
+ $path .= '/';
+ }
+
+ if ($path[0] != '/') {
+ $path = '/'.$path;
+ }
+
+ $server = common_config('background', 'server');
+
+ if (empty($server)) {
+ $server = common_config('site', 'server');
+ }
+
+ // XXX: protocol
+
+ return 'http://'.$server.$path.$filename;
+ }
+
+ function setDisposition($on, $off, $tile)
+ {
+ if ($on) {
+ $this->disposition |= BACKGROUND_ON;
+ } else {
+ $this->disposition &= ~BACKGROUND_ON;
+ }
+
+ if ($off) {
+ $this->disposition |= BACKGROUND_OFF;
+ } else {
+ $this->disposition &= ~BACKGROUND_OFF;
+ }
+
+ if ($tile) {
+ $this->disposition |= BACKGROUND_TILE;
+ } else {
+ $this->disposition &= ~BACKGROUND_TILE;
+ }
+ }
+
+ /**
+ * Return a design object based on the configured site design.
+ *
+ * @return Design a singleton design object for the site.
+ */
+
+ static function siteDesign()
+ {
+ static $siteDesign = null;
+
+ if (empty($siteDesign)) {
+
+ $siteDesign = new Design();
+
+ $attrs = array('backgroundcolor',
+ 'contentcolor',
+ 'sidebarcolor',
+ 'textcolor',
+ 'linkcolor',
+ 'backgroundimage',
+ 'disposition');
+
+ foreach ($attrs as $attr) {
+ $val = common_config('design', $attr);
+ if ($val !== false) {
+ $siteDesign->$attr = $val;
+ }
+ }
+ }
+
+ return $siteDesign;