Sharkey/src/client/app/desktop/views/pages/deck/deck.notifications.vue

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Vue
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<template>
<div class="oxynyeqmfvracxnglgulyqfgqxnxmehl">
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<div class="placeholder" v-if="fetching">
<template v-for="i in 10">
<mk-note-skeleton :key="i"/>
</template>
</div>
<!-- トランジションを有効にするとなぜかメモリリークする -->
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<component :is="!$store.state.device.reduceMotion ? 'transition-group' : 'div'" name="mk-notifications" class="transition notifications">
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<template v-for="(notification, i) in _notifications">
<x-notification class="notification" :notification="notification" :key="notification.id"/>
<p class="date" v-if="i != notifications.length - 1 && notification._date != _notifications[i + 1]._date" :key="notification.id + '-time'">
<span><fa icon="angle-up"/>{{ notification._datetext }}</span>
<span><fa icon="angle-down"/>{{ _notifications[i + 1]._datetext }}</span>
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</p>
</template>
</component>
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<button class="more" :class="{ fetching: fetchingMoreNotifications }" v-if="moreNotifications" @click="fetchMoreNotifications" :disabled="fetchingMoreNotifications">
<template v-if="fetchingMoreNotifications"><fa icon="spinner .pulse" fixed-width/></template>{{ fetchingMoreNotifications ? this.$t('@.loading') : this.$t('@.load-more') }}
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</button>
<p class="empty" v-if="notifications.length == 0 && !fetching">{{ $t('empty') }}</p>
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</div>
</template>
<script lang="ts">
import Vue from 'vue';
import i18n from '../../../../i18n';
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import XNotification from './deck.notification.vue';
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const displayLimit = 20;
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export default Vue.extend({
i18n: i18n(),
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components: {
XNotification
},
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inject: ['column', 'isScrollTop', 'count'],
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data() {
return {
fetching: true,
fetchingMoreNotifications: false,
notifications: [],
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queue: [],
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moreNotifications: false,
connection: null
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};
},
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computed: {
_notifications(): any[] {
return (this.notifications as any).map(notification => {
const date = new Date(notification.createdAt).getDate();
const month = new Date(notification.createdAt).getMonth() + 1;
notification._date = date;
notification._datetext = this.$t('@.month-and-day').replace('{month}', month.toString()).replace('{day}', date.toString());
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return notification;
});
}
},
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watch: {
queue(q) {
this.count(q.length);
}
},
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mounted() {
this.connection = (this as any).os.stream.useSharedConnection('main');
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this.connection.on('notification', this.onNotification);
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this.column.$on('top', this.onTop);
this.column.$on('bottom', this.onBottom);
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const max = 10;
(this as any).api('i/notifications', {
limit: max + 1
}).then(notifications => {
if (notifications.length == max + 1) {
this.moreNotifications = true;
notifications.pop();
}
this.notifications = notifications;
this.fetching = false;
});
},
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beforeDestroy() {
this.connection.dispose();
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this.column.$off('top', this.onTop);
this.column.$off('bottom', this.onBottom);
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},
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methods: {
fetchMoreNotifications() {
this.fetchingMoreNotifications = true;
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const max = 20;
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(this as any).api('i/notifications', {
limit: max + 1,
untilId: this.notifications[this.notifications.length - 1].id
}).then(notifications => {
if (notifications.length == max + 1) {
this.moreNotifications = true;
notifications.pop();
} else {
this.moreNotifications = false;
}
this.notifications = this.notifications.concat(notifications);
this.fetchingMoreNotifications = false;
});
},
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onNotification(notification) {
// TODO: ユーザーが画面を見てないと思われるとき(ブラウザやタブがアクティブじゃないなど)は送信しない
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(this as any).os.stream.send('readNotification', {
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id: notification.id
});
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this.prepend(notification);
},
prepend(notification) {
if (this.isScrollTop()) {
// Prepend the notification
this.notifications.unshift(notification);
// オーバーフローしたら古い通知は捨てる
if (this.notifications.length >= displayLimit) {
this.notifications = this.notifications.slice(0, displayLimit);
}
} else {
this.queue.push(notification);
}
},
releaseQueue() {
this.queue.forEach(n => this.prepend(n));
this.queue = [];
},
onTop() {
this.releaseQueue();
},
onBottom() {
this.fetchMoreNotifications();
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}
}
});
</script>
<style lang="stylus" scoped>
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.oxynyeqmfvracxnglgulyqfgqxnxmehl
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.transition
.mk-notifications-enter
.mk-notifications-leave-to
opacity 0
transform translateY(-30px)
> *
transition transform .3s ease, opacity .3s ease
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> .placeholder
padding 16px
opacity 0.3
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> .notifications
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> .notification:not(:last-child)
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border-bottom solid 1px var(--faceDivider)
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> .date
display block
margin 0
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line-height 28px
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text-align center
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font-size 12px
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color var(--dateDividerFg)
background var(--dateDividerBg)
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border-bottom solid 1px var(--faceDivider)
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span
margin 0 16px
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[data-icon]
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margin-right 8px
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> .more
display block
width 100%
padding 16px
color #555
border-top solid 1px rgba(#000, 0.05)
&:hover
background rgba(#000, 0.025)
&:active
background rgba(#000, 0.05)
&.fetching
cursor wait
> [data-icon]
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margin-right 4px
> .empty
margin 0
padding 16px
text-align center
color #aaa
</style>