修复bug: 自动滑动至选中位置 review by chenlin

 'use strict';
 
-import React, {Component} from 'react';
-import ReactNative, {
-    View,
-    Text,
-    Image,
-    ListView,
-    StyleSheet,
-    Dimensions,
-    TouchableOpacity,
-} from 'react-native';
-import Immutable, {Map} from 'immutable';
-import TimeForFocus from './TimeForFocus';
-import TimeForLostFocus from './TimeForLostFocus';
+import React, {Component} from "react";
+import {View, Text, Image, ListView, StyleSheet, Dimensions, TouchableOpacity} from "react-native";
+import Immutable from "immutable";
+import TimeForFocus from "./TimeForFocus";
+import TimeForLostFocus from "./TimeForLostFocus";
 
 let diff;
 
@@ -46,9 +38,10 @@ export default class SeckillTimeListView extends Component {
         //focus
         if (this.secKillProductVoList.length >= 1) {
             let listLength = this.secKillProductVoList.length;
-            let scrollX = 0;
+            let scrollX;
+            let currentScrollX = this.listView ? this.listView.scrollProperties.offset : 0;
             scrollX = (this.curFocusActivity.get('index') - 1) * (rowContainerWidth + separatorWidth);
-            if (this.scrollX == scrollX) {
+            if (this.scrollX == scrollX && ((Math.floor(scrollX) == Math.floor(currentScrollX)) || scrollX != 0)) {
                 return;
             }
             this.scrollX = scrollX;
@@ -56,15 +49,16 @@ export default class SeckillTimeListView extends Component {
             this.listView && this.listView.scrollTo({x: scrollX, y: 0, animated: true});
         }
     }
+
     _searchRightNowStartActivity() {
         this.secKillProductVoList.forEach((activityItem, i) => {
             if (activityItem.has('wait')) {
                 let nowTime = Date.parse(new Date()) / 1000 + diffTime;
-                let startTime = activityItem.get('startTime')/1000;
+                let startTime = activityItem.get('startTime') / 1000;
                 let offsetTime = startTime - nowTime;
                 if (offsetTime < 0) {
                     activityItem.focus = true;
-                    this.curFocusActivity= activityItem;
+                    this.curFocusActivity = activityItem;
                     this._scrollToFocusActivity();
                     this.props.onFocusToCurStartedActivity && this.props.onFocusToCurStartedActivity(activityItem);
                 }