Improved home screen items render cycle

src/components/Home/ActionsDashboardItem.js

@@ -10,13 +10,10 @@ type Props = {
     theme: Object,
 }
 
-class ActionsDashBoardItem extends React.PureComponent<Props> {
+class ActionsDashBoardItem extends React.Component<Props> {
 
-    colors: Object;
+    shouldComponentUpdate(nextProps: Props): boolean {
-
+        return (nextProps.theme.dark !== this.props.theme.dark)
-    constructor(props) {
-        super(props);
-        this.colors = this.props.theme.colors;
     }
 
     openDrawer = () => this.props.navigation.openDrawer();
@@ -24,10 +21,11 @@ class ActionsDashBoardItem extends React.PureComponent<Props> {
     gotToSettings = () => this.props.navigation.navigate("settings");
 
     render() {
+        console.log('render action dashboard');
         return (
             <Card style={{
                 ...styles.card,
-                borderColor: this.colors.primary,
+                borderColor: this.props.theme.colors.primary,
             }}>
                 <Card.Content style={styles.content}>
                     <Button

src/components/Home/EventDashboardItem.js

@@ -1,36 +1,61 @@
 // @flow
 
 import * as React from 'react';
-import {Avatar, Card, withTheme} from 'react-native-paper';
+import {Avatar, Card, Text, withTheme} from 'react-native-paper';
 import {StyleSheet} from "react-native";
+import i18n from "i18n-js";
+
+type Props = {
+    eventNumber: number;
+    clickAction: Function,
+    theme: Object,
+}
 
 /**
  * Component used to display a dashboard item containing a preview event
- *
- * @param props Props to pass to the component
- * @return {*}
  */
-function EventDashBoardItem(props) {
+class EventDashBoardItem extends React.Component<Props> {
-    const {colors} = props.theme;
+
-    const iconColor = props.isAvailable ?
+    shouldComponentUpdate(nextProps: Props) {
+        return (nextProps.theme.dark !== this.props.theme.dark)
+            || (nextProps.eventNumber !== this.props.eventNumber);
+    }
+
+    render() {
+        const props = this.props;
+        const colors = props.theme.colors;
+        const isAvailable = props.eventNumber > 0;
+        const iconColor = isAvailable ?
             colors.planningColor :
             colors.textDisabled;
-    const textColor = props.isAvailable ?
+        const textColor = isAvailable ?
             colors.text :
             colors.textDisabled;
+        let subtitle;
+        if (isAvailable) {
+            subtitle =
+                <Text>
+                    <Text style={{fontWeight: "bold"}}>{props.eventNumber}</Text>
+                    <Text>
+                        {props.eventNumber > 1
+                            ? i18n.t('homeScreen.dashboard.todayEventsSubtitlePlural')
+                            : i18n.t('homeScreen.dashboard.todayEventsSubtitle')}
+                    </Text>
+                </Text>;
+        } else
+            subtitle = i18n.t('homeScreen.dashboard.todayEventsSubtitleNA');
         return (
             <Card
                 style={styles.card}
                 onPress={props.clickAction}>
-
                 <Card.Title
-                title={props.title}
+                    title={i18n.t('homeScreen.dashboard.todayEventsTitle')}
                     titleStyle={{color: textColor}}
-                subtitle={props.subtitle}
+                    subtitle={subtitle}
                     subtitleStyle={{color: textColor}}
                     left={() =>
                         <Avatar.Icon
-                        icon={props.icon}
+                            icon={'calendar-range'}
                             color={iconColor}
                             size={60}
                             style={styles.avatar}/>}
@@ -40,6 +65,8 @@ function EventDashBoardItem(props) {
                 </Card.Content>
             </Card>
         );
+    }
+
 }
 
 const styles = StyleSheet.create({

src/components/Home/FeedItem.js

@@ -1,5 +1,5 @@
 import * as React from 'react';
-import {Avatar, Button, Card, Text, withTheme} from 'react-native-paper';
+import {Avatar, Button, Card, Text} from 'react-native-paper';
 import {View} from "react-native";
 import Autolink from "react-native-autolink";
 import i18n from "i18n-js";
@@ -7,16 +7,25 @@ import ImageModal from 'react-native-image-modal';
 
 const ICON_AMICALE = require('../../../assets/amicale.png');
 
+type Props = {
+    theme: Object,
+    title: string,
+    subtitle: string,
+    full_picture: string,
+    message: string,
+    onOutLinkPress: Function,
+}
+
+
 /**
  * Component used to display a feed item
  */
-class FeedItem extends React.Component {
+class FeedItem extends React.Component<Props> {
 
     shouldComponentUpdate() {
         return false;
     }
 
-
     /**
      * Gets the amicale INSAT logo
      *
@@ -30,6 +39,7 @@ class FeedItem extends React.Component {
     }
 
     render() {
+        console.log('render feed');
         return (
             <Card style={{margin: 10}}>
                 <Card.Title
@@ -72,4 +82,4 @@ class FeedItem extends React.Component {
     }
 }
 
-export default withTheme(FeedItem);
+export default FeedItem;

src/components/Home/PreviewEventDashboardItem.js

@@ -1,19 +1,24 @@
 // @flow
 
 import * as React from 'react';
-import {StyleSheet, View} from "react-native";
+import {StyleSheet} from "react-native";
 import i18n from "i18n-js";
 import {Avatar, Button, Card} from 'react-native-paper';
 import {getFormattedEventTime, isDescriptionEmpty} from "../../utils/Planning";
 import CustomHTML from "../Custom/CustomHTML";
 
+type Props = {
+    event: Object,
+    clickAction: Function,
+}
+
 /**
  * Component used to display an event preview if an event is available
- *
- * @param props Props to pass to the component
- * @return {*}
  */
-function PreviewEventDashboardItem(props : Object) {
+class PreviewEventDashboardItem extends React.Component<Props> {
+
+    render() {
+        const props = this.props;
         const isEmpty = props.event === undefined
             ? true
             : isDescriptionEmpty(props.event['description']);
@@ -55,7 +60,8 @@ function PreviewEventDashboardItem(props : Object) {
                 </Card>
             );
         } else
-        return <View/>
+            return null;
+    }
 }
 
 const styles = StyleSheet.create({

src/components/Home/SmallDashboardItem.js

@@ -1,15 +1,33 @@
+// @flow
+
 import * as React from 'react';
 import {Badge, IconButton, withTheme} from 'react-native-paper';
 import {View} from "react-native";
 
+
+type Props = {
+    color: string,
+    icon: string,
+    clickAction: Function,
+    isAvailable: boolean,
+    badgeNumber: number,
+    theme: Object,
+};
+
 /**
  * Component used to render a small dashboard item
- *
- * @param props Props to pass to the component
- * @return {*}
  */
-function SmallDashboardItem(props) {
+class SmallDashboardItem extends React.Component<Props> {
-    const {colors} = props.theme;
+
+    shouldComponentUpdate(nextProps: Props) {
+        return (nextProps.theme.dark !== this.props.theme.dark)
+            || (nextProps.isAvailable !== this.props.isAvailable)
+            || (nextProps.badgeNumber !== this.props.badgeNumber);
+    }
+
+    render() {
+        const props = this.props;
+        const colors = props.theme.colors;
         return (
             <View>
                 <IconButton
@@ -35,6 +53,8 @@ function SmallDashboardItem(props) {
                 }
             </View>
         );
+    }
+
 }
 
 export default withTheme(SmallDashboardItem);

src/screens/HomeScreen.js

@@ -1,11 +1,11 @@
 // @flow
 
 import * as React from 'react';
-import {StyleSheet, View} from 'react-native';
+import {FlatList, StyleSheet, View} from 'react-native';
 import i18n from "i18n-js";
 import DashboardItem from "../components/Home/EventDashboardItem";
 import WebSectionList from "../components/Lists/WebSectionList";
-import {FAB, Text, withTheme} from 'react-native-paper';
+import {FAB, withTheme} from 'react-native-paper';
 import FeedItem from "../components/Home/FeedItem";
 import SquareDashboardItem from "../components/Home/SmallDashboardItem";
 import PreviewEventDashboardItem from "../components/Home/PreviewEventDashboardItem";
@@ -159,24 +159,58 @@ class HomeScreen extends React.Component<Props> {
                 content: undefined
             },
         ];
-        for (let [key, value] of Object.entries(dashboardData)) {
+        for (let [key, value: number | Object | Array<string>] of Object.entries(dashboardData)) {
             switch (key) {
+                case 'available_machines':
+                    dataset[0]['content'][0] = {
+                        id: 'washers',
+                        data: value.washers,
+                        icon: 'washing-machine',
+                        color: this.colors.proxiwashColor,
+                        onPress: this.onProxiwashClick,
+                        isAvailable: value.washers > 0
+                    };
+                    dataset[0]['content'][1] = {
+                        ...dataset[0]['content'][0],
+                        id: 'dryers',
+                        data: value.dryers,
+                        icon: 'tumble-dryer',
+                        isAvailable: value.dryers > 0
+                    };
+                    break;
+                case 'available_tutorials':
+                    dataset[0]['content'][2] = {
+                        id: key,
+                        data: value,
+                        icon: 'school',
+                        color: this.colors.tutorinsaColor,
+                        onPress: this.onTutorInsaClick,
+                        isAvailable: parseInt(value) > 0
+                    };
+                    break;
+                case 'proximo_articles':
+                    dataset[0]['content'][3] = {
+                        id: key,
+                        data: value,
+                        icon: 'shopping',
+                        color: this.colors.proximoColor,
+                        onPress: this.onProximoClick,
+                        isAvailable: parseInt(value) > 0
+                    };
+                    break;
+                case 'today_menu':
+                    dataset[0]['content'][4] = {
+                        id: key,
+                        data: 0,
+                        icon: 'silverware-fork-knife',
+                        color: this.colors.menu,
+                        onPress: this.onMenuClick,
+                        isAvailable: value.length > 0
+                    };
+                    break;
                 case 'today_events':
                     dataset[2]['content'] = value;
                     break;
-                case 'available_machines':
-                    dataset[0]['content'][0] = {id: key, data: value};
-                    break;
-                case 'available_tutorials':
-                    dataset[0]['content'][1] = {id: key, data: value};
-                    break;
-                case 'proximo_articles':
-                    dataset[0]['content'][2] = {id: key, data: value};
-                    break;
-                case 'today_menu':
-                    dataset[0]['content'][3] = {id: key, data: value};
-                    break;
-
             }
         }
         return dataset
@@ -191,14 +225,14 @@ class HomeScreen extends React.Component<Props> {
     getDashboardItem(item: Object) {
         let content = item['content'];
         if (item['id'] === 'event')
-            return this.getDashboardEventItem(content);
+            return this.getDashboardEvent(content);
         else if (item['id'] === 'top')
-            return this.getDashboardTopItem(content);
+            return this.getDashboardRow(content);
         else
-            return this.getActionsDashboardItem();
+            return this.getDashboardActions();
     }
 
-    getActionsDashboardItem() {
+    getDashboardActions() {
         return <ActionsDashBoardItem {...this.props}/>;
     }
 
@@ -317,6 +351,8 @@ class HomeScreen extends React.Component<Props> {
         return displayEvent;
     }
 
+    onEventContainerClick = () => this.props.navigation.navigate('planning');
+
     /**
      * Gets the event render item.
      * If a preview is available, it will be rendered inside
@@ -324,42 +360,17 @@ class HomeScreen extends React.Component<Props> {
      * @param content
      * @return {*}
      */
-    getDashboardEventItem(content: Array<Object>) {
+    getDashboardEvent(content: Array<Object>) {
-        let icon = 'calendar-range';
-        let title = i18n.t('homeScreen.dashboard.todayEventsTitle');
-        let subtitle;
         let futureEvents = this.getFutureEvents(content);
-        let isAvailable = futureEvents.length > 0;
-        if (isAvailable) {
-            subtitle =
-                <Text>
-                    <Text style={{fontWeight: "bold"}}>{futureEvents.length}</Text>
-                    <Text>
-                        {
-                            futureEvents.length > 1 ?
-                                i18n.t('homeScreen.dashboard.todayEventsSubtitlePlural') :
-                                i18n.t('homeScreen.dashboard.todayEventsSubtitle')
-                        }
-                    </Text>
-                </Text>;
-        } else
-            subtitle = i18n.t('homeScreen.dashboard.todayEventsSubtitleNA');
-
         let displayEvent = this.getDisplayEvent(futureEvents);
-        const clickContainerAction = () => this.props.navigation.navigate('planning');
+        const clickPreviewAction = () =>
-        const clickPreviewAction = () => this.props.navigation.navigate('home-planning-information', {data: displayEvent});
+            this.props.navigation.navigate('home-planning-information', {data: displayEvent});
-
         return (
             <DashboardItem
-                {...this.props}
+                eventNumber={futureEvents.length}
-                subtitle={subtitle}
+                clickAction={this.onEventContainerClick}
-                icon={icon}
-                clickAction={clickContainerAction}
-                title={title}
-                isAvailable={isAvailable}
             >
                 <PreviewEventDashboardItem
-                    {...this.props}
                     event={displayEvent}
                     clickAction={clickPreviewAction}
                 />
@@ -367,66 +378,34 @@ class HomeScreen extends React.Component<Props> {
         );
     }
 
+    dashboardRowRenderItem = ({item}: Object) => {
+        return(
+            <SquareDashboardItem
+                color={item.color}
+                icon={item.icon}
+                clickAction={item.onPress}
+                isAvailable={item.isAvailable}
+                badgeNumber={item.data}
+            />
+        );
+    };
+
     /**
      * Gets a classic dashboard item.
      *
      * @param content
      * @return {*}
      */
-    getDashboardTopItem(content: Array<Object>) {
+    getDashboardRow(content: Array<Object>) {
-        let proxiwashData = content[0]['data'];
+        return <FlatList
-        let tutorinsaData = content[1]['data'];
+                data={content}
-        let proximoData = content[2]['data'];
+                renderItem={this.dashboardRowRenderItem}
-        let menuData = content[3]['data'];
+                horizontal={true}
-        return (
+                contentContainerStyle={{
-            <View style={{
+                marginLeft: 'auto',
-                flex: 1,
+                marginRight: 'auto',
-                flexDirection: 'row',
+                }}
-                justifyContent: 'center',
+            />;
-                flexWrap: 'wrap',
-                margin: 10,
-            }}>
-                <SquareDashboardItem
-                    color={this.colors.proxiwashColor}
-                    icon={'washing-machine'}
-                    clickAction={this.onProxiwashClick}
-                    isAvailable={parseInt(proxiwashData['washers']) > 0}
-                    badgeNumber={proxiwashData['washers']}
-                />
-                <SquareDashboardItem
-                    color={this.colors.proxiwashColor}
-                    icon={'tumble-dryer'}
-                    clickAction={this.onProxiwashClick}
-                    isAvailable={parseInt(proxiwashData['dryers']) > 0}
-                    badgeNumber={proxiwashData['dryers']}
-                />
-                <SquareDashboardItem
-                    color={this.colors.tutorinsaColor}
-                    icon={'school'}
-                    clickAction={this.onTutorInsaClick}
-                    isAvailable={tutorinsaData > 0}
-                    badgeNumber={tutorinsaData}
-                />
-                <SquareDashboardItem
-                    color={this.colors.proximoColor}
-                    icon={'shopping'}
-                    clickAction={this.onProximoClick}
-                    isAvailable={parseInt(proximoData) > 0}
-                    badgeNumber={parseInt(proximoData)}
-                />
-                <SquareDashboardItem
-                    color={this.colors.menuColor}
-                    icon={'silverware-fork-knife'}
-                    clickAction={this.onMenuClick}
-                    isAvailable={menuData.length > 0}
-                    badgeNumber={0}
-                />
-            </View>
-        );
-    }
-
-    openLink(link: string) {
-        Linking.openURL(link);
     }
 
     /**
@@ -436,7 +415,7 @@ class HomeScreen extends React.Component<Props> {
      * @return {*}
      */
     getFeedItem(item: Object) {
-        const onOutLinkPress = this.openLink.bind(this, item.permalink_url);
+        const onOutLinkPress = () => Linking.openURL(item.permalink_url);
         return (
             <FeedItem
                 title={NAME_AMICALE}