feat:add nativeChannel to let js call native view's method

js-framework/src/ui/layout.ts

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { LayoutConfig, Group, Property, IView } from "./view";
+import { Group, Property, IView } from "./view";
 import { Gravity } from "../util/gravity";
 
 export interface IStack extends IView {
@@ -22,8 +22,6 @@ export interface IStack extends IView {
 export class Stack extends Group implements IStack {
 }
 
-
-
 export class Root extends Stack {
 
 }

js-framework/src/ui/view.ts

@@ -255,6 +255,24 @@ export abstract class View implements Modeling, IView {
     in(group: Group) {
         group.addChild(this)
     }
+
+    nativeChannel(context: any, name: string) {
+        let thisView: View | undefined = this
+        return function (...args: any) {
+            const func = context.shader.command
+            const viewIds = []
+            while (thisView != undefined) {
+                viewIds.push(thisView.viewId)
+                thisView = thisView.superview
+            }
+            const params = {
+                viewIds: viewIds.reverse(),
+                name,
+                args,
+            }
+            return Reflect.apply(func, undefined, [params]) as Promise<any>
+        }
+    }
 }
 
 export abstract class Superview extends View {