调整控制器结构

packages/artplayer/src/controls/screenshot.js

@@ -1,21 +1,20 @@
 import { append, tooltip } from '../utils';
 import icons from '../icons';
 
-export default class Screenshot {
-    constructor(option) {
-        this.option = option;
-    }
-
-    apply(art, $control) {
-        const {
-            events: { proxy },
-            i18n,
-            player,
-        } = art;
-        this.$screenshot = append($control, icons.screenshot);
-        tooltip(this.$screenshot, i18n.get('Screenshot'));
-        proxy(this.$screenshot, 'click', () => {
-            player.screenshot();
-        });
-    }
+export default function screenshot(controlOption) {
+    return art => ({
+        ...controlOption,
+        mounted: $control => {
+            const {
+                events: { proxy },
+                i18n,
+                player,
+            } = art;
+            const $screenshot = append($control, icons.screenshot);
+            tooltip($screenshot, i18n.get('Screenshot'));
+            proxy($screenshot, 'click', () => {
+                player.screenshot();
+            });
+        },
+    });
 }