组件添加add方法

packages/artplayer/src/control/fullscreen.js

@@ -0,0 +1,32 @@
+import { append, tooltip, setStyle } from '../utils';
+
+export default function fullscreen(option) {
+    return art => ({
+        ...option,
+        mounted: $control => {
+            const {
+                events: { proxy },
+                icons,
+                i18n,
+                player,
+            } = art;
+
+            const $fullscreen = append($control, icons.fullscreen);
+            tooltip($fullscreen, i18n.get('Fullscreen'));
+
+            proxy($control, 'click', () => {
+                player.fullscreenToggle = true;
+            });
+
+            art.on('fullscreen:enabled', () => {
+                setStyle($fullscreen, 'opacity', '0.8');
+                tooltip($fullscreen, i18n.get('Exit fullscreen'));
+            });
+
+            art.on('fullscreen:exit', () => {
+                setStyle($fullscreen, 'opacity', '1');
+                tooltip($fullscreen, i18n.get('Fullscreen'));
+            });
+        },
+    });
+}