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<template>
<div class="oxynyeqmfvracxnglgulyqfgqxnxmehl">
<!-- 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 -->
<!--<transition-group name="mk-notifications" class="transition notifications">-->
<div class="notifications">
<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:angle-up%{{ notification._datetext }}</span>
<span>%fa:angle-down%{{ _notifications[i + 1]._datetext }}</span>
</p>
</template>
</div>
<!--</transition-group>-->
<button class="more" :class="{ fetching: fetchingMoreNotifications }" v-if="moreNotifications" @click="fetchMoreNotifications" :disabled="fetchingMoreNotifications">
<template v-if="fetchingMoreNotifications">%fa:spinner .pulse .fw%</template>{{ fetchingMoreNotifications ? '%i18n:common.loading%' : '%i18n:@more%' }}
</button>
<p class="empty" v-if="notifications.length == 0 && !fetching">%i18n:@empty%</p>
<p class="loading" v-if="fetching">%fa:spinner .pulse .fw%%i18n:common.loading%<mk-ellipsis/></p>
</div>
</template>
<script lang="ts">
import Vue from 'vue';
import XNotification from './deck.notification.vue';
const displayLimit = 20;
export default Vue.extend({
components: {
XNotification
},
inject: ['column', 'isScrollTop', 'count'],
data() {
return {
fetching: true,
fetchingMoreNotifications: false,
notifications: [],
queue: [],
moreNotifications: false,
connection: null,
connectionId: null
};
},
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 = `${month}月 ${date}日`;
return notification;
});
}
},
watch: {
queue(q) {
this.count(q.length);
}
},
mounted() {
this.connection = (this as any).os.stream.getConnection();
this.connectionId = (this as any).os.stream.use();
this.connection.on('notification', this.onNotification);
this.column.$on('top', this.onTop);
this.column.$on('bottom', this.onBottom);
const max = 10;
(this as any).api('i/notifications', {
limit: max + 1
}).then(notifications => {
if (notifications.length == max + 1) {
this.moreNotifications = true;
notifications.pop();
}
this.notifications = notifications;
this.fetching = false;
});
},
beforeDestroy() {
this.connection.off('notification', this.onNotification);
(this as any).os.stream.dispose(this.connectionId);
this.column.$off('top', this.onTop);
this.column.$off('bottom', this.onBottom);
},
methods: {
fetchMoreNotifications() {
this.fetchingMoreNotifications = true;
const max = 20;
(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;
});
},
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
this.connection.send({
type: 'read_notification',
id: notification.id
});
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();
}
}
});
</script>
<style lang="stylus" scoped>
root(isDark)
.transition
.mk-notifications-enter
.mk-notifications-leave-to
opacity 0
transform translateY(-30px)
> *
transition transform .3s ease, opacity .3s ease
> .notifications
> .notification:not(:last-child)
border-bottom solid 1px isDark ? #1c2023 : #eaeaea
> .date
display block
margin 0
line-height 32px
text-align center
font-size 0.8em
color isDark ? #666b79 : #aaa
background isDark ? #242731 : #fdfdfd
border-bottom solid 1px isDark ? #1c2023 : #eaeaea
span
margin 0 16px
i
margin-right 8px
> .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-fa]
margin-right 4px
> .empty
margin 0
padding 16px
text-align center
color #aaa
> .loading
margin 0
padding 16px
text-align center
color #aaa
> [data-fa]
margin-right 4px
.oxynyeqmfvracxnglgulyqfgqxnxmehl[data-darkmode]
root(true)
.oxynyeqmfvracxnglgulyqfgqxnxmehl:not([data-darkmode])
root(false)
</style>
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