feat:should receive multi onRenderFinishedCallbacks

doric-js/src/native/coordinator.ts

@@ -49,7 +49,7 @@ export function coordinator(context: BridgeContext) {
             }) => {
             if (context.entity instanceof Panel) {
                 const panel = context.entity
-                panel.onRenderFinished = () => {
+                panel.addOnRenderFinishedCallback(() => {
                     (argument as any).scrollable = viewIdChains(argument.scrollable)
                     if (argument.target instanceof View) {
                         (argument as any).target = viewIdChains(argument.target)
@@ -60,8 +60,8 @@ export function coordinator(context: BridgeContext) {
                     if (argument.changing.end instanceof Color) {
                         argument.changing.end = argument.changing.end.toModel()
                     }
-                    return context.callNative("coordinator", "verticalScrolling", argument)
-                }
+                    context.callNative("coordinator", "verticalScrolling", argument)
+                })
             }
         }
     }

doric-js/src/ui/panel.ts

@@ -45,7 +45,7 @@ export abstract class Panel {
     private __root__ = new Root
     private headviews: Map<string, Map<string, View>> = new Map
 
-    onRenderFinished?: () => void
+    private onRenderFinishedCallback: Array<() => void> = []
 
     addHeadView(type: string, v: View) {
         let map = this.headviews.get(type)
@@ -209,9 +209,17 @@ export abstract class Panel {
             })
         }
         Promise.all(promises).then(_ => {
-            if (this.onRenderFinished) {
-                this.onRenderFinished()
-            }
+            this.onRenderFinished()
         })
     }
+    onRenderFinished() {
+        this.onRenderFinishedCallback.forEach(e => {
+            e()
+        })
+        this.onRenderFinishedCallback.length = 0
+    }
+
+    addOnRenderFinishedCallback(cb: () => void) {
+        this.onRenderFinishedCallback.push(cb)
+    }
 }