Merge commit 'f6d65'

# Conflicts:
#	skins/ArchLinux/ArchLinux.php

1 files changed, 58 insertions, 0 deletions

diff --git a/vendor/oojs/oojs-ui/php/Theme.php b/vendor/oojs/oojs-ui/php/Theme.php
new file mode 100644
index 00000000..d36b6d82
--- /dev/null
+++ b/vendor/oojs/oojs-ui/php/Theme.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace OOUI;
+
+/**
+ * Theme logic.
+ *
+ * @abstract
+ */
+class Theme {
+
+	/* Members */
+
+	private static $singleton;
+
+	/* Static Methods */
+
+	public static function setSingleton( Theme $theme ) {
+		self::$singleton = $theme;
+	}
+
+	public static function singleton() {
+		if ( !self::$singleton ) {
+			throw new Exception( __METHOD__ . ' was called with no singleton theme set.' );
+		}
+
+		return self::$singleton;
+	}
+
+	/**
+	 * Get a list of classes to be applied to a widget.
+	 *
+	 * The 'on' and 'off' lists combined MUST contain keys for all classes the theme adds or removes,
+	 * otherwise state transitions will not work properly.
+	 *
+	 * @param Element $element Element for which to get classes
+	 * @return array Categorized class names with `on` and `off` lists
+	 */
+	public function getElementClasses( Element $element ) {
+		return array( 'on' => array(), 'off' => array() );
+	}
+
+	/**
+	 * Update CSS classes provided by the theme.
+	 *
+	 * For elements with theme logic hooks, this should be called any time there's a state change.
+	 *
+	 * @param Element $element Element for which to update classes
+	 * @return array Categorized class names with `on` and `off` lists
+	 */
+	public function updateElementClasses( Element $element ) {
+		$classes = $this->getElementClasses( $element );
+
+		$element
+			->removeClasses( $classes['off'] )
+			->addClasses( $classes['on'] );
+	}
+}