feature:add coordinatorPlugin and Android part

doric-js/src/native/coordinator.ts

@@ -0,0 +1,63 @@
+/*
+ * 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 { BridgeContext } from "../runtime/global"
+import { Scroller } from "../widget/scroller"
+import { List } from "../widget/list"
+import { FlowLayout } from "../widget/flowlayout"
+import { View } from "../ui/view"
+import { Color } from "../util/color"
+
+function viewIdChains(view: View) {
+    const viewIds = []
+    let thisView: View | undefined = view
+    while (thisView != undefined) {
+        viewIds.push(thisView.viewId)
+        thisView = thisView.superview
+    }
+    return viewIds.reverse()
+}
+
+export function coordinator(context: BridgeContext) {
+    return {
+        verticalScrolling: async (
+            argument: {
+                scrollable: Scroller | List | FlowLayout,
+                scrollRange: {
+                    start: number,
+                    end: number,
+                },
+                target: View | "NavBar",
+                changing: {
+                    name: "backgroundColor" | "width" | "height" | "x" | "y",
+                    start: number | Color
+                    end: number | Color
+                },
+            }) => {
+            await context.callNative("coordinator", "ready");
+            (argument as any).scrollable = viewIdChains(argument.scrollable)
+            if (argument.target instanceof View) {
+                (argument as any).target = viewIdChains(argument.target)
+            }
+            if (argument.changing.start instanceof Color) {
+                argument.changing.start = argument.changing.start.toModel()
+            }
+            if (argument.changing.end instanceof Color) {
+                argument.changing.end = argument.changing.end.toModel()
+            }
+            return context.callNative("coordinator", "verticalScrolling", argument)
+        }
+    }
+}

doric-js/src/native/index.native.ts

@@ -22,3 +22,4 @@ export * from './popover'
 export * from './animate'
 export * from './notification'
 export * from './statusbar'
+export * from './coordinator'