add scrollview for android

js-framework/src/ui/scroller.ts

@@ -0,0 +1,43 @@
+/*
+ * Copyright [2019] [Doric.Pub]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Superview, View, Property, IView, LayoutSpec } from './view'
+
+export function scroller(content: View) {
+    return (new Scroller).also(v => {
+        v.layoutConfig = {
+            widthSpec: LayoutSpec.WRAP_CONTENT,
+            heightSpec: LayoutSpec.WRAP_CONTENT,
+        }
+        v.content = content
+    })
+}
+
+export interface IScroller extends IView {
+    content: View
+}
+
+export class Scroller extends Superview implements IScroller {
+    content!: View
+
+    allSubviews() {
+        return [this.content]
+    }
+
+    toModel() {
+        this.dirtyProps.content = this.content.viewId
+        return super.toModel()
+    }
+}