feat:add RefreshableDemo for Android

js-framework/index.ts

@@ -21,6 +21,7 @@ export * from "./src/ui/scroller"
 export * from "./src/ui/widgets"
 export * from "./src/ui/panel"
 export * from "./src/ui/declarative"
+export * from "./src/ui/refreshable"
 export * from "./src/util/color"
 export * from './src/util/log'
 export * from './src/util/types'

js-framework/src/ui/refreshable.ts

@@ -0,0 +1,60 @@
+import { View, Property, Superview, IView } from "./view";
+import { List } from "./list";
+import { Scroller } from "./scroller";
+import { BridgeContext } from "../runtime/global";
+import { layoutConfig } from "./declarative";
+
+export interface IRefreshable extends IView {
+    content: List | Scroller
+    header?: View
+    onRefresh?: () => void
+}
+
+export class Refreshable extends Superview implements IRefreshable {
+
+    content!: List | Scroller
+
+    header?: View
+
+    @Property
+    onRefresh?: () => void
+
+    allSubviews() {
+        const ret: View[] = [this.content]
+        if (this.header) {
+            ret.push(this.header)
+        }
+        return ret
+    }
+
+    setRefreshable(context: BridgeContext, refreshable: boolean) {
+        return this.nativeChannel(context, 'setRefreshable')(refreshable)
+    }
+
+    setRefreshing(context: BridgeContext, refreshing: boolean) {
+        return this.nativeChannel(context, 'setRefreshing')(refreshing)
+    }
+
+    isRefreshable(context: BridgeContext) {
+        return this.nativeChannel(context, 'isRefreshable')() as Promise<boolean>
+    }
+
+    isRefreshing(context: BridgeContext) {
+        return this.nativeChannel(context, 'isRefreshing')() as Promise<boolean>
+    }
+
+    toModel() {
+        this.dirtyProps.content = this.content.viewId
+        this.dirtyProps.header = (this.header || {}).viewId
+        return super.toModel()
+    }
+}
+
+export function refreshable(config: IRefreshable) {
+    const ret = new Refreshable
+    ret.layoutConfig = layoutConfig().wrap()
+    for (let key in config) {
+        Reflect.set(ret, key, Reflect.get(config, key, config), ret)
+    }
+    return ret
+}

js-framework/src/ui/view.ts

@@ -266,7 +266,7 @@ export abstract class View implements Modeling, IView {
 
     nativeChannel(context: any, name: string) {
         let thisView: View | undefined = this
-        return function (...args: any) {
+        return function (args: any = undefined) {
             const func = context.shader.command
             const viewIds = []
             while (thisView != undefined) {