feat(app): 增加位置更新 API 支持

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

@@ -29,6 +29,7 @@ export * from './file/open-document'
 export * from './location/choose-location'
 export * from './location/get-location'
 export * from './location/open-location'
+export * from './location/location-change'
 
 export * from './media/audio'
 export * from './media/choose-image'

src/platforms/app-plus/service/api/location/location-change.js

+import { invoke } from '../../bridge'
+const callbackIds = []
+const callbackOnErrorIds = []
+const callbackOffErrorIds = []
+let watchId
+
+/**
+ * 开始更新定位
+ */
+export function startLocationUpdate ({ type = 'wgs84' }) {
+  watchId = plus.geolocation.watchPosition(
+    res => {
+      callbackIds.forEach(callbackId => {
+        invoke(callbackId, res.coords)
+      })
+    },
+    error => {
+      callbackOnErrorIds.forEach(callbackId => {
+        invoke(callbackId, {
+          errMsg: 'onLocationChange:fail' + error.message
+        })
+      })
+    },
+    {
+      coordsType: type
+    }
+  )
+}
+
+/**
+ * 暂停更新定位
+ * @param {*} callbackId
+ */
+export function stopLocationUpdate (callbackId) {
+  if (watchId) {
+    plus.geolocation.clearWatch(watchId)
+  } else {
+    invoke(callbackId, { errMsg: 'stopLocationUpdate:fail' })
+  }
+  return {}
+}
+
+/**
+ * 监听更新定位
+ * @param {*} callbackId
+ */
+export function onLocationChange (callbackId) {
+  callbackIds.push(callbackId)
+}
+
+/**
+ * 监听更新定位失败
+ * @param {*} callbackId
+ */
+export function onLocationChangeError (callbackId) {
+  callbackOnErrorIds.push(callbackId)
+}
+
+// 移除实时地理位置变化事件的监听函数
+export function offLocationChange (callbackId) {
+  if (callbackId) {
+    const index = callbackIds.indexOf(callbackId)
+    if (index >= 0) {
+      callbackIds.splice(index, 1)
+    } else {
+      callbackOffErrorIds.forEach(callbackId => {
+        invoke(callbackId, {
+          errMsg: 'offLocationChange:fail'
+        })
+      })
+    }
+  } else {
+    callbackIds.length = 0
+  }
+}
+
+// 移除实时地理位置变化事件的监听函数
+export function offLocationChangeError (callbackId) {
+  callbackOffErrorIds.push(callbackId)
+}