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<template>
<div class="mk-notifications">
<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 -->
<component :is="!$store.state.device.reduceMotion ? 'transition-group' : 'div'" name="mk-notifications" class="transition notifications" tag="div">
<template v-for="(notification, i) in _notifications">
<mk-notification :notification="notification" :key="notification.id"/>
<p class="date" :key="notification.id + '_date'" v-if="i != notifications.length - 1 && notification._date != _notifications[i + 1]._date">
<span><fa icon="angle-up"/>{{ notification._datetext }}</span>
<span><fa icon="angle-down"/>{{ _notifications[i + 1]._datetext }}</span>
</p>
</template>
</component>
<button class="more" v-if="moreNotifications" @click="fetchMoreNotifications" :disabled="fetchingMoreNotifications">
<template v-if="fetchingMoreNotifications"><fa icon="spinner" pulse fixed-width/></template>
{{ fetchingMoreNotifications ? $t('@.loading') : $t('@.load-more') }}
</button>
<p class="empty" v-if="notifications.length == 0 && !fetching">{{ $t('empty') }}</p>
</div>
</template>
<script lang="ts">
import Vue from 'vue';
import i18n from '../../../i18n';
export default Vue.extend({
i18n: i18n('mobile/views/components/notifications.vue'),
data() {
return {
fetching: true,
fetchingMoreNotifications: false,
notifications: [],
moreNotifications: false,
connection: null
};
},
computed: {
_notifications(): any[] {
return (this.notifications as any).map(notification => {
const date = new Date(notification.createdAt).getDate();
const month = new Date(notification.createdAt).getMonth() + 1;
notification._date = date;
notification._datetext = this.$t('@.month-and-day').replace('{month}', month.toString()).replace('{day}', date.toString());
return notification;
});
}
},
mounted() {
window.addEventListener('scroll', this.onScroll, { passive: true });
this.connection = this.$root.stream.useSharedConnection('main');
this.connection.on('notification', this.onNotification);
const max = 10;
this.$root.api('i/notifications', {
limit: max + 1
}).then(notifications => {
if (notifications.length == max + 1) {
this.moreNotifications = true;
notifications.pop();
}
this.notifications = notifications;
this.fetching = false;
this.$emit('fetched');
});
},
beforeDestroy() {
window.removeEventListener('scroll', this.onScroll);
this.connection.dispose();
},
methods: {
fetchMoreNotifications() {
if (this.fetchingMoreNotifications) return;
this.fetchingMoreNotifications = true;
const max = 30;
this.$root.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.$root.stream.send('readNotification', {
id: notification.id
});
this.notifications.unshift(notification);
},
onScroll() {
if (this.$store.state.settings.fetchOnScroll !== false) {
// 親要素が display none だったら弾く
// https://github.com/syuilo/misskey/issues/1569
// http://d.hatena.ne.jp/favril/20091105/1257403319
if (this.$el.offsetHeight == 0) return;
const current = window.scrollY + window.innerHeight;
if (current > document.body.offsetHeight - 8) this.fetchMoreNotifications();
}
}
}
});
</script>
<style lang="stylus" scoped>
.mk-notifications
margin 0 auto
background var(--face)
border-radius 8px
box-shadow 0 0 2px rgba(#000, 0.1)
overflow hidden
@media (min-width 500px)
box-shadow 0 8px 32px rgba(#000, 0.1)
.transition
.mk-notifications-enter
.mk-notifications-leave-to
opacity 0
transform translateY(-30px)
> *
transition transform .3s ease, opacity .3s ease
> .notifications
> .mk-notification:not(:last-child)
border-bottom solid 1px var(--faceDivider)
> .date
display block
margin 0
line-height 32px
text-align center
font-size 0.8em
color var(--dateDividerFg)
background var(--dateDividerBg)
border-bottom solid 1px var(--faceDivider)
span
margin 0 16px
[data-icon]
margin-right 8px
> .more
display block
width 100%
padding 16px
color var(--text)
border-top solid 1px rgba(#000, 0.05)
> [data-icon]
margin-right 4px
> .empty
margin 0
padding 16px
text-align center
color #aaa
> .placeholder
padding 16px
opacity 0.3
@media (min-width 500px)
padding 32px
</style>
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