From 78a963fe334caae564424c6458a8565da957c8be Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sun, 21 Feb 2021 12:26:49 +0900
Subject: Messagingの入力中インジケータを実装
MIME-Version: 1.0
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---
 src/client/pages/messaging/messaging-room.form.vue | 10 +++++++
 src/client/pages/messaging/messaging-room.vue      | 32 ++++++++++++++++++++++
 2 files changed, 42 insertions(+)

(limited to 'src/client')

diff --git a/src/client/pages/messaging/messaging-room.form.vue b/src/client/pages/messaging/messaging-room.form.vue
index e561cb3db5..258300dc52 100644
--- a/src/client/pages/messaging/messaging-room.form.vue
+++ b/src/client/pages/messaging/messaging-room.form.vue
@@ -7,6 +7,7 @@
 		v-model="text"
 		ref="text"
 		@keypress="onKeypress"
+		@compositionupdate="onCompositionUpdate"
 		@paste="onPaste"
 		:placeholder="$ts.inputMessageHere"
 	></textarea>
@@ -29,6 +30,7 @@ import { formatTimeString } from '../../../misc/format-time-string';
 import { selectFile } from '@/scripts/select-file';
 import * as os from '@/os';
 import { Autocomplete } from '@/scripts/autocomplete';
+import { throttle } from 'throttle-debounce';
 
 export default defineComponent({
 	props: {
@@ -46,6 +48,9 @@ export default defineComponent({
 			text: null,
 			file: null,
 			sending: false,
+			typing: throttle(3000, () => {
+				os.stream.send('typingOnMessaging', this.user ? { partner: this.user.id } : { group: this.group.id });
+			}),
 			faPaperPlane, faPhotoVideo, faLaughSquint
 		};
 	},
@@ -147,11 +152,16 @@ export default defineComponent({
 		},
 
 		onKeypress(e) {
+			this.typing();
 			if ((e.which == 10 || e.which == 13) && (e.ctrlKey || e.metaKey) && this.canSend) {
 				this.send();
 			}
 		},
 
+		onCompositionUpdate() {
+			this.typing();
+		},
+
 		chooseFile(e) {
 			selectFile(e.currentTarget || e.target, this.$ts.selectFile, false).then(file => {
 				this.file = file;
diff --git a/src/client/pages/messaging/messaging-room.vue b/src/client/pages/messaging/messaging-room.vue
index 7fdd0a201b..3921a081d1 100644
--- a/src/client/pages/messaging/messaging-room.vue
+++ b/src/client/pages/messaging/messaging-room.vue
@@ -16,6 +16,14 @@
 			</XList>
 		</div>
 		<footer>
+			<div class="typers" v-if="typers.length > 0">
+				<I18n :src="$ts.typingUsers" text-tag="span" class="users">
+					<template #users>
+						<b v-for="user in typers" :key="user.id" class="user">{{ user.username }}</b>
+					</template>
+				</I18n>
+				<MkEllipsis/>
+			</div>
 			<transition name="fade">
 				<div class="new-message" v-show="showIndicator">
 					<button class="_buttonPrimary" @click="onIndicatorClick"><i><Fa :icon="faArrowCircleDown"/></i>{{ $ts.newMessageExists }}</button>
@@ -86,6 +94,7 @@ const Component = defineComponent({
 			connection: null,
 			showIndicator: false,
 			timer: null,
+			typers: [],
 			ilObserver: new IntersectionObserver(
 				(entries) => entries.some((entry) => entry.isIntersecting)
 					&& !this.fetching
@@ -142,6 +151,9 @@ const Component = defineComponent({
 			this.connection.on('message', this.onMessage);
 			this.connection.on('read', this.onRead);
 			this.connection.on('deleted', this.onDeleted);
+			this.connection.on('typers', typers => {
+				this.typers = typers.filter(u => u.id !== this.$i.id);
+			});
 
 			document.addEventListener('visibilitychange', this.onVisibilitychange);
 
@@ -397,6 +409,7 @@ export default Component;
 
 	> footer {
 		width: 100%;
+		position: relative;
 
 		> .new-message {
 			position: absolute;
@@ -422,6 +435,25 @@ export default Component;
 				}
 			}
 		}
+
+		> .typers {
+			position: absolute;
+			bottom: 100%;
+			padding: 0 8px 0 8px;
+			font-size: 0.9em;
+			color: var(--fgTransparentWeak);
+
+			> .users {
+				> .user + .user:before {
+					content: ", ";
+					font-weight: normal;
+				}
+
+				> .user:last-of-type:after {
+					content: " ";
+				}
+			}
+		}
 	}
 }
 
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