feat: 支持 nodesRef.context

lib/apis.js

@@ -59,8 +59,7 @@ const media = [
   'saveVideoToPhotosAlbum',
   'createVideoContext',
   'createCameraContext',
-  'createLivePlayerContext',
-  'createEditorContext'
+  'createLivePlayerContext'
 ]
 
 const device = [

lib/modules.json

@@ -66,8 +66,7 @@
     "uni.saveVideoToPhotosAlbum": true,
     "uni.createVideoContext": true,
     "uni.createCameraContext": true,
-    "uni.createLivePlayerContext": true,
-    "uni.createEditorContext": true
+    "uni.createLivePlayerContext": true
   }
 }, {
   "name": "device",

src/core/service/api/context/canvas.js

@@ -258,7 +258,7 @@ var methods3 = ['setFillStyle', 'setTextAlign', 'setStrokeStyle', 'setGlobalAlph
   'setTextBaseline', 'setLineDash'
 ]
 
-class CanvasContext {
+export class CanvasContext {
   constructor (id, pageId) {
     this.id = id
     this.pageId = pageId

src/core/service/api/context/create-map-context.js

@@ -7,7 +7,7 @@ function operateMapPlayer (mapId, pageVm, type, data) {
   invokeMethod('operateMapPlayer', mapId, pageVm, type, data)
 }
 
-class MapContext {
+export class MapContext {
   constructor (id, pageVm) {
     this.id = id
     this.pageVm = pageVm

src/core/service/api/context/create-video-context.js

@@ -9,7 +9,7 @@ function operateVideoPlayer (videoId, pageVm, type, data) {
   invokeMethod('operateVideoPlayer', videoId, pageVm, type, data)
 }
 
-class VideoContext {
+export class VideoContext {
   constructor (id, pageVm) {
     this.id = id
     this.pageVm = pageVm

src/core/service/api/context/editor.js

-import {
-  getCurrentPageId
-} from '../../platform'
 import {
   callback
 } from 'uni-shared'
@@ -22,7 +19,7 @@ UniServiceJSBridge.subscribe('onEditorMethodCallback', ({
 
 const methods = ['insertDivider', 'insertImage', 'insertText', 'setContents', 'getContents', 'clear', 'removeFormat', 'undo', 'redo']
 
-class EditorContext {
+export class EditorContext {
   constructor (id, pageId) {
     this.id = id
     this.pageId = pageId
@@ -45,15 +42,3 @@ methods.forEach(function (method) {
     })
   })
 })
-
-export function createEditorContext (id, context) {
-  if (context) {
-    return new EditorContext(id, context.$page.id)
-  }
-  const pageId = getCurrentPageId()
-  if (pageId) {
-    return new EditorContext(id, pageId)
-  } else {
-    UniServiceJSBridge.emit('onError', 'createEditorContext:fail')
-  }
-}

src/core/service/api/ui/create-selector-query.js

@@ -7,6 +7,26 @@ import {
   getCurrentPageVm
 } from '../../platform'
 
+import { CanvasContext } from '../context/canvas'
+import { MapContext } from '../context/create-map-context'
+import { VideoContext } from '../context/create-video-context'
+import { EditorContext } from '../context/editor'
+
+const ContextClasss = {
+  canvas: CanvasContext,
+  map: MapContext,
+  video: VideoContext,
+  editor: EditorContext
+}
+
+function convertContext (result) {
+  if (result.context) {
+    const { id, name, page } = result.context
+    const ContextClass = ContextClasss[name]
+    result.context = ContextClass && new ContextClass(id, page)
+  }
+}
+
 class NodesRef {
   constructor (selectorQuery, component, selector, single) {
     this._selectorQuery = selectorQuery
@@ -53,6 +73,18 @@ class NodesRef {
     )
     return this._selectorQuery
   }
+
+  context (callback) {
+    this._selectorQuery._push(
+      this._selector,
+      this._component,
+      this._single, {
+        context: true
+      },
+      callback
+    )
+    return this._selectorQuery
+  }
 }
 
 class SelectorQuery {
@@ -66,6 +98,11 @@ class SelectorQuery {
     invokeMethod('requestComponentInfo', this._page, this._queue, res => {
       const queueCbs = this._queueCb
       res.forEach((result, index) => {
+        if (Array.isArray(result)) {
+          result.forEach(convertContext)
+        } else {
+          convertContext(result)
+        }
         const queueCb = queueCbs[index]
         if (isFn(queueCb)) {
           queueCb.call(this, result)

src/core/view/bridge/subscribe/api/request-component-info.js

@@ -74,6 +74,11 @@ function getNodeInfo (el, fields) {
       info.scrollTop = 0
     }
   }
+  if (fields.context) {
+    if (el.__vue__ && el.__vue__._getContextInfo) {
+      info.context = el.__vue__._getContextInfo()
+    }
+  }
   return info
 }
 

src/core/view/mixins/subscriber.js

@@ -19,6 +19,9 @@ export default {
   },
   beforeDestroy () { // 销毁时移除
     this._toggleListeners('unsubscribe', this.id)
+    if (this._contextId) {
+      this._toggleListeners('unsubscribe', this._contextId)
+    }
   },
   methods: {
     _toggleListeners (type, id, watch) {
@@ -31,6 +34,18 @@ export default {
       }
       // 纠正VUniVideo等组件命名为Video
       UniViewJSBridge[type](this.$page.id + '-' + this.$options.name.replace(/VUni([A-Z])/, '$1').toLowerCase() + '-' + id, this._handleSubscribe)
+    },
+    _getContextInfo () {
+      const id = `context-${this._uid}`
+      if (!this._contextId) {
+        this._toggleListeners('subscribe', id)
+        this._contextId = id
+      }
+      return {
+        name: this.$options.name.replace(/VUni([A-Z])/, '$1').toLowerCase(),
+        id,
+        page: this.$page.id
+      }
     }
   }
 }