Add GPS related disable for buttons

mobile/src/Home/Home.js

@@ -7,54 +7,66 @@ import {
   Image,
   View,
   TouchableOpacity,
+  TouchableHighlight,
 } from "react-native"
 import MapView, { Marker } from "react-native-maps"
 import { Icon, Header } from "../ui"
 import { api } from "../API"
 import autobind from "autobind-decorator"
 import { ifIphoneX } from "react-native-iphone-x-helper"
-import { workItemTypeText, pad } from "../util"
+import { workItemTypeText, pad, regionContainingPoints } from "../util"
 import pinImage from "./images/pin.png"
 
-const styles = StyleSheet.create({
-  container: {
-    flex: 1,
-    backgroundColor: "#FFFFFF",
-    alignItems: "flex-start",
-    justifyContent: "flex-start",
-  },
-})
+const minGPSAccuracy = 20
 
 export class Home extends React.Component {
   constructor(props) {
     super(props)
     this.state = {
       sections: [],
+      showWorkItems: true,
+      region: {
+        latitude: 43.653908,
+        longitude: -79.384293,
+        latitudeDelta: 0.0922,
+        longitudeDelta: 0.0922,
+      },
+      positionInfo: null,
     }
+
+    this.watchId = navigator.geolocation.watchPosition(
+      this.handlePositionChange,
+      null,
+      { distanceFilter: 10 }
+    )
+
     api
       .listWorkItemActivities()
       .then((list) => {
-        this.setState({ sections: list.items })
+        this.setState({
+          sections: list.items,
+          region: regionContainingPoints(
+            list.items.map((item) => item.coordinate),
+            0.02
+          ),
+        })
       })
       .catch((err) => {
         console.error(err)
       })
   }
 
-  @autobind
-  _handleNavigatorEvent(event) {
-    switch (event.id) {
-      case "logout":
-        api.logout().then(() => {
-          this.props.history.replace("/login")
-        })
-        break
-      case "viewer":
-        this.props.push("/viewer")
-        break
+  componentWillUnmount() {
+    if (this.watchId) {
+      navigator.geolocation.clearWatch(this.watchId)
     }
   }
 
+  @autobind
+  handlePositionChange(positionInfo) {
+    this.setState({ positionInfo })
+  }
+
   @autobind
   handleMarkerPress(e, sectionIndex) {
     if (this.sectionList) {
@@ -88,45 +100,56 @@ export class Home extends React.Component {
 
   @autobind
   handleMyLocationPress() {
-    navigator.geolocation.getCurrentPosition((info) => {
-      if (this.map) {
-        this.map.animateToCoordinate({
-          latitude: info.coords.latitude,
-          longitude: info.coords.longitude,
-        })
-      }
-    })
+    if (this.state.positionInfo) {
+      const coords = this.state.positionInfo.coords
+
+      this.map.animateToCoordinate({
+        latitude: coords.latitude,
+        longitude: coords.longitude,
+      })
+    }
+  }
+
+  @autobind
+  handleToggleWorkItemsList() {
+    this.setState({ showWorkItems: !this.state.showWorkItems })
   }
 
   render() {
-    const { sections } = this.state
+    const { sections, showWorkItems, region, positionInfo } = this.state
 
     return (
-      <View style={styles.container}>
+      <View
+        style={{
+          flexDirection: "column",
+          height: "100%",
+          backgroundColor: "#FFFFFF",
+        }}>
         <Header
           title="Work Item Map"
           leftButton={{ icon: "logout", onPress: this.handleLogoutPress }}
           rightButton={{ icon: "glasses", onPress: this.handleGlassesPress }}
+          disabled={
+            !(positionInfo && positionInfo.coords.accuracy <= minGPSAccuracy)
+          }
         />
         <MapView
           ref={(ref) => {
             this.map = ref
           }}
-          style={{
-            width: "100%",
-            height: "50%",
-          }}
+          style={[
+            {
+              width: "100%",
+            },
+            showWorkItems && { height: "40%" },
+            !showWorkItems && { flexGrow: 1 },
+          ]}
           showsUserLocation
           showsBuildings={false}
           showsTraffic={false}
           showsIndoors={false}
           zoomControlEnabled
-          initialRegion={{
-            latitude: 43.653908,
-            longitude: -79.384293,
-            latitudeDelta: 0.0922,
-            longitudeDelta: 0.0922,
-          }}>
+          region={region}>
           {sections.map((workItem, index) => (
             <Marker
               key={index}
@@ -145,103 +168,131 @@ export class Home extends React.Component {
         </MapView>
         <View
           style={{
-            flexDirection: "row",
-            alignItems: "center",
+            display: showWorkItems ? "flex" : "none",
+            flexDirection: "column",
+            flexGrow: 1,
+            flexBasis: 0,
             width: "100%",
-            height: 40,
-            backgroundColor: "white",
           }}>
-          <Icon
-            name="search"
-            size={16}
-            style={{ marginLeft: 10, marginRight: 5, tintColor: "gray" }}
-          />
-          <TextInput
-            style={{ flexGrow: 1, flexBasis: 0, height: "100%" }}
-            underlineColorAndroid="white"
-            placeholder="Search"
-          />
-          <Icon
-            name="cancel"
-            size={16}
-            style={{ marginLeft: 5, marginRight: 10, tintColor: "gray" }}
+          <View
+            style={{
+              flexDirection: "row",
+              alignItems: "center",
+              width: "100%",
+              height: 40,
+              backgroundColor: "white",
+            }}>
+            <Icon
+              name="search"
+              size={16}
+              style={{ marginLeft: 10, marginRight: 5, tintColor: "gray" }}
+            />
+            <TextInput
+              style={{ flexGrow: 1, flexBasis: 0, height: "100%" }}
+              underlineColorAndroid="white"
+              placeholder="Search"
+            />
+            <Icon
+              style={{ marginLeft: 5, marginRight: 10 }}
+              name="cancel"
+              size={16}
+            />
+          </View>
+          <SectionList
+            ref={(ref) => (this.sectionList = ref)}
+            style={{ width: "100%", flexGrow: 1 }}
+            sections={sections}
+            stickySectionHeadersEnabled={true}
+            renderSectionHeader={({ section: workItem }) => (
+              <View
+                key={workItem._id}
+                style={{
+                  flexDirection: "column",
+                  justifyContent: "center",
+                  backgroundColor: "#F4F4F4",
+                  paddingLeft: 8,
+                  height: 45,
+                }}>
+                <Text style={{ fontSize: 16 }}>
+                  {workItemTypeText[workItem.workItemType].toUpperCase()}{" "}
+                  {pad(workItem.ticketNumber, 4)}
+                </Text>
+              </View>
+            )}
+            keyExtractor={(item) => item._id}
+            renderItem={({ item: activity, section }) => {
+              return (
+                <TouchableHighlight
+                  style={{
+                    height: 50,
+                    paddingLeft: 20,
+                    paddingRight: 20,
+                    backgroundColor: "white",
+                  }}
+                  underlayColor="#EEEEEE"
+                  onPress={() => this.handleItemSelect(activity, index)}>
+                  <View
+                    style={{
+                      height: "100%",
+                      width: "100%",
+                      flexDirection: "row",
+                    }}>
+                    <Text
+                      style={{
+                        fontSize: 8,
+                        width: 45,
+                        alignSelf: "center",
+                      }}>
+                      {activity.status.toUpperCase()}
+                    </Text>
+                    <View
+                      style={{
+                        flexGrow: 1,
+                        flexBasis: 0,
+                        flexDirection: "column",
+                      }}>
+                      <Text style={{ fontSize: 20, fontWeight: "bold" }}>
+                        {activity.resolution}
+                      </Text>
+                      <Text style={{ fontSize: 14, color: "gray" }}>
+                        {activity.address || "..."}
+                      </Text>
+                    </View>
+                    <Icon
+                      name="rightArrow"
+                      size={16}
+                      style={{ alignSelf: "center" }}
+                    />
+                  </View>
+                </TouchableHighlight>
+              )
+            }}
           />
         </View>
-        <SectionList
-          ref={(ref) => (this.sectionList = ref)}
-          style={{ width: "100%", flexGrow: 1 }}
-          sections={sections}
-          stickySectionHeadersEnabled={true}
-          renderSectionHeader={({ section: workItem }) => (
-            <View
-              key={workItem._id}
-              style={{
-                flexDirection: "column",
-                justifyContent: "center",
-                backgroundColor: "#F4F4F4",
-                paddingLeft: 8,
-                height: 45,
-              }}>
-              <Text style={{ fontSize: 16 }}>
-                {workItemTypeText[workItem.workItemType].toUpperCase()}{" "}
-                {pad(workItem.ticketNumber, 4)}
-              </Text>
-            </View>
-          )}
-          keyExtractor={(item) => item._id}
-          renderItem={({ item: activity, section }) => {
-            return (
-              <View
-                style={{
-                  flexDirection: "row",
-                  height: 50,
-                  marginTop: 3,
-                  marginBottom: 3,
-                }}>
-                <Text
-                  style={{
-                    fontSize: 8,
-                    width: 45,
-                    marginLeft: 5,
-                    alignSelf: "center",
-                  }}>
-                  {activity.status.toUpperCase()}
-                </Text>
-                <View style={{ width: "75%", flexDirection: "column" }}>
-                  <Text style={{ fontSize: 20, fontWeight: "bold" }}>
-                    {activity.resolution}
-                  </Text>
-                  <Text style={{ fontSize: 14, color: "gray" }}>
-                    {activity.address || "..."}
-                  </Text>
-                </View>
-                <TouchableOpacity
-                  style={{ alignSelf: "center" }}
-                  onPress={() => this.handleItemSelect(activity, index)}>
-                  <Icon name="rightArrow" size={16} />
-                </TouchableOpacity>
-              </View>
-            )
-          }}
-        />
         <View
           style={{
             flexDirection: "row",
             justifyContent: "space-between",
             alignItems: "center",
             width: "100%",
-            height: 45,
+            height: 55,
             backgroundColor: "#F4F4F4",
             ...ifIphoneX({ marginBottom: 22 }, {}),
           }}>
-          <TouchableOpacity onPress={this.handleMyLocationPress}>
+          <TouchableOpacity
+            disabled={!positionInfo}
+            onPress={this.handleMyLocationPress}>
             <Icon
               name="center"
               size={24}
               style={{ marginLeft: 15, tintColor: "gray" }}
             />
           </TouchableOpacity>
-          <Text style={{ color: "gray", fontSize: 20 }}>Hide List</Text>
+          <TouchableOpacity onPress={this.handleToggleWorkItemsList}>
+            <Text style={{ color: "gray", fontSize: 20 }}>
+              {showWorkItems ? "Hide List" : "Show List"}
+            </Text>
+          </TouchableOpacity>
           <TouchableOpacity onPress={this.handleWorkItemsListPress}>
             <Icon
               name="settings"

mobile/src/WorkItem/WorkItemList.js

@@ -145,7 +145,6 @@ export class WorkItemList extends React.Component {
                   style={{
                     fontSize: 10,
                     width: 45,
-                    marginLeft: 5,
                     alignSelf: "center",
                   }}>
                   {pad(item.ticketNumber, 4)}

mobile/src/development.js

@@ -1,3 +1,3 @@
 export const localIPAddr = "192.168.1.175"
-// export const defaultUser = "john@lyon-smith.org"
-export const defaultUser = ""
+export const defaultUser = "john@lyon-smith.org"
+// export const defaultUser = ""

mobile/src/ui/Icon.js

@@ -8,6 +8,7 @@ const images = {
   back: require("./images/back.png"),
   hand: require("./images/hand.png"),
   center: require("./images/center.png"),
+  cancel: require("./images/cancel.png"),
   rightArrow: require("./images/right-arrow.png"),
   search: require("./images/search.png"),
   settings: require("./images/settings.png"),

mobile/src/util.js

@@ -55,3 +55,36 @@ export const pad = (num, size) => {
   while (s.length < size) s = "0" + s
   return s
 }
+
+export const regionContainingPoints = (points, inset) => {
+  let minX, maxX, minY, maxY
+
+  // init first point
+  ;((point) => {
+    minX = point.latitude
+    maxX = point.latitude
+    minY = point.longitude
+    maxY = point.longitude
+  })(points[0])
+
+  // calculate rect
+  points.map((point) => {
+    minX = Math.min(minX, point.latitude)
+    maxX = Math.max(maxX, point.latitude)
+    minY = Math.min(minY, point.longitude)
+    maxY = Math.max(maxY, point.longitude)
+  })
+
+  const midX = (minX + maxX) / 2
+  const midY = (minY + maxY) / 2
+  const midPoint = [midX, midY]
+  const deltaX = maxX - minX + inset
+  const deltaY = maxY - minY + inset
+
+  return {
+    latitude: midX,
+    longitude: midY,
+    latitudeDelta: deltaX,
+    longitudeDelta: deltaY,
+  }
+}