feat(app): 定位更新 API

packages/uni-app-plus/src/service/api/index.ts

@@ -53,6 +53,7 @@ export * from './context/createLivePusherContext'
 export * from './location/getLocation'
 export * from './location/chooseLocation'
 export * from './location/openLocation'
+export * from './location/locationChange'
 
 export * from './ui/popup/showModal'
 export * from './ui/popup/showActionSheet'

packages/uni-app-plus/src/service/api/location/locationChange.ts

+import {
+  defineAsyncApi,
+  defineOnApi,
+  defineOffApi,
+  API_START_LOCATION_UPDATE,
+  API_TYPE_START_LOCATION_UPDATE,
+  StartLocationUpdateProtocol,
+  StartLocationUpdateOptions,
+  API_ON_LOCATION_CHANGE,
+  API_TYPE_ON_LOCATION_CHANGE,
+  API_TYPE_STOP_LOCATION_UPDATE,
+  API_STOP_LOCATION_UPDATE,
+  API_TYPE_OFF_LOCATION_CHANGE,
+  API_OFF_LOCATION_CHANGE,
+  API_TYPE_OFF_LOCATION_CHANGE_ERROR,
+  API_OFF_LOCATION_CHANGE_ERROR,
+  API_TYPE_ON_LOCATION_CHANGE_ERROR,
+  API_ON_LOCATION_CHANGE_ERROR
+} from '@dcloudio/uni-api'
+
+let watchId: number = 0;
+
+/**
+ * 开始更新定位
+ */
+export const startLocationUpdate = <API_TYPE_START_LOCATION_UPDATE>defineAsyncApi(
+  API_START_LOCATION_UPDATE,
+  (_, { resolve, reject }) => {
+    if (plus.geolocation && watchId === 0) {
+      watchId = plus.geolocation.watchPosition(
+        (res) => {
+          UniServiceJSBridge.invokeOnCallback(
+            API_ON_LOCATION_CHANGE,
+            res.coords
+          )
+          resolve()
+        },
+        (error) => {
+          reject(error.message)
+        },
+        {
+          coordsType: _?.type,
+        }
+      )
+    } else {
+      UniServiceJSBridge.invokeOnCallback(
+        API_ON_LOCATION_CHANGE_ERROR,
+        'onLocationChange:fail'
+      )
+    }
+    resolve()
+  },
+  StartLocationUpdateProtocol,
+  StartLocationUpdateOptions
+)
+
+export const onLocationChange = <API_TYPE_ON_LOCATION_CHANGE>(
+  defineOnApi(API_ON_LOCATION_CHANGE, () => {})
+)
+
+export const stopLocationUpdate = <API_TYPE_STOP_LOCATION_UPDATE>(
+  defineAsyncApi(API_STOP_LOCATION_UPDATE, (_, { resolve, reject }) => {
+    if (watchId) {
+      plus.geolocation.clearWatch(watchId)
+      watchId = 0
+      resolve()
+    } else {
+      reject('stopLocationUpdate:fail')
+    }
+  })
+)
+
+export const offLocationChange = <API_TYPE_OFF_LOCATION_CHANGE>(
+  defineOffApi(API_OFF_LOCATION_CHANGE, () => {
+    stopLocationUpdate()
+  })
+)
+
+export const onLocationChangeError = <API_TYPE_ON_LOCATION_CHANGE_ERROR>(
+  defineOnApi(API_ON_LOCATION_CHANGE_ERROR, () => {})
+)
+
+export const offLocationChangeError = <API_TYPE_OFF_LOCATION_CHANGE_ERROR>(
+  defineOnApi(API_OFF_LOCATION_CHANGE_ERROR, () => {})
+)