feat(v3): add getSubNVueById

lib/apis.js

@@ -192,7 +192,9 @@ const third = [
   'offPush',
   'requireNativePlugin',
   'upx2px',
-  'restoreGlobal'
+  'restoreGlobal',
+  'getSubNVueById',
+  'getCurrentSubNVue'
 ]
 
 const apis = [

src/platforms/app-plus/runtime/api/sub-nvue.js

@@ -67,4 +67,8 @@ export function getSubNVueById (id) {
     wrapper(webview)
   }
   return webview
+}
+
+export function getCurrentSubNVue () {
+  return getSubNVueById(plus.webview.currentWebview().id)
 }

src/platforms/app-plus/service/api/index.js

@@ -44,7 +44,8 @@ export * from './plugin/payment'
 export * from './plugin/push'
 export * from './plugin/require-native-plugin'
 export * from './plugin/share'
-export * from './plugin/restore-global'
+export * from './plugin/restore-global'
+export * from './plugin/sub-nvue'
 
 export * from './route/navigate-back'
 export * from './route/navigate-to'

src/platforms/app-plus/service/api/plugin/sub-nvue.js

+import {
+  requireNativePlugin
+} from './require-native-plugin'
+
+function wrapper (webview) {
+  webview.$processed = true
+
+  webview.postMessage = function (data) {
+    plus.webview.postMessageToUniNView({
+      type: 'UniAppSubNVue',
+      data
+    }, webview.id)
+  }
+  let callbacks = []
+  webview.onMessage = function (callback) {
+    callbacks.push(callback)
+  }
+  webview.$consumeMessage = function (e) {
+    callbacks.forEach(callback => callback(e))
+  }
+
+  if (!webview.__uniapp_mask_id) {
+    return
+  }
+  const maskColor = webview.__uniapp_mask
+  let maskWebview = webview.__uniapp_mask_id === '0' ? {
+    setStyle ({
+      mask
+    }) {
+      requireNativePlugin('uni-tabview').setMask({
+        color: mask
+      })
+    }
+  } : plus.webview.getWebviewById(webview.__uniapp_mask_id)
+  const oldShow = webview.show
+  const oldHide = webview.hide
+  const oldClose = webview.close
+
+  const showMask = function () {
+    maskWebview.setStyle({
+      mask: maskColor
+    })
+  }
+  const closeMask = function () {
+    maskWebview.setStyle({
+      mask: 'none'
+    })
+  }
+  webview.show = function (...args) {
+    showMask()
+    return oldShow.apply(webview, args)
+  }
+  webview.hide = function (...args) {
+    closeMask()
+    return oldHide.apply(webview, args)
+  }
+  webview.close = function (...args) {
+    closeMask()
+    callbacks = []
+    return oldClose.apply(webview, args)
+  }
+}
+
+export function getSubNVueById (id) {
+  const webview = plus.webview.getWebviewById(id)
+  if (webview && !webview.$processed) {
+    wrapper(webview)
+  }
+  return webview
+}