From 10b3079658c7a9fdb9ed45b9d9b46bc83a0b6a76 Mon Sep 17 00:00:00 2001
From: Freeplay <Freeplay@duck.com>
Date: Fri, 28 Apr 2023 19:28:25 -0400
Subject: [PATCH] Fix focusing inside of CW's

---
 packages/client/src/components/MkCwButton.vue | 15 ++++++++--
 packages/client/src/components/MkNote.vue     |  4 ++-
 .../src/components/MkSubNoteContent.vue       | 30 ++++++++++++++++---
 3 files changed, 42 insertions(+), 7 deletions(-)

diff --git a/packages/client/src/components/MkCwButton.vue b/packages/client/src/components/MkCwButton.vue
index 35af48874..01ab11351 100644
--- a/packages/client/src/components/MkCwButton.vue
+++ b/packages/client/src/components/MkCwButton.vue
@@ -1,5 +1,6 @@
 <template>
 	<button
+		ref="el"
 		class="_button"
 		:class="{ showLess: modelValue, fade: !modelValue }"
 		@click.stop="toggle"
@@ -12,7 +13,7 @@
 </template>
 
 <script lang="ts" setup>
-import { computed } from "vue";
+import { computed, ref } from "vue";
 import { length } from "stringz";
 import * as misskey from "calckey-js";
 import { concat } from "@/scripts/array";
@@ -27,6 +28,8 @@ const emit = defineEmits<{
 	(ev: "update:modelValue", v: boolean): void;
 }>();
 
+const el = ref<HTMLElement>(); 
+
 const label = computed(() => {
 	return concat([
 		props.note.text
@@ -43,6 +46,14 @@ const label = computed(() => {
 const toggle = () => {
 	emit("update:modelValue", !props.modelValue);
 };
+
+function focus() {
+	el.value.focus();
+}
+
+defineExpose({
+	focus
+});
 </script>
 
 <style lang="scss" scoped>
@@ -62,7 +73,7 @@ const toggle = () => {
 			}
 		}
 	}
-	&:hover > span {
+	&:hover > span, &:focus > span {
 		background: var(--cwFg) !important;
 		color: var(--cwBg) !important;
 	}
diff --git a/packages/client/src/components/MkNote.vue b/packages/client/src/components/MkNote.vue
index f49105e81..5d9c40d38 100644
--- a/packages/client/src/components/MkNote.vue
+++ b/packages/client/src/components/MkNote.vue
@@ -84,6 +84,7 @@
 						:detailedView="detailedView"
 						:parentId="appearNote.parentId"
 						@push="(e) => router.push(notePage(e))"
+						@focusfooter="footerEl.focus()"
 					></MkSubNoteContent>
 					<div v-if="translating || translation" class="translation">
 						<MkLoading v-if="translating" mini />
@@ -117,7 +118,7 @@
 						<MkTime :time="appearNote.createdAt" mode="absolute" />
 					</MkA>
 				</div>
-				<footer ref="el" class="footer" @click.stop>
+				<footer ref="footerEl" class="footer" @click.stop tabindex="-1">
 					<XReactionsViewer
 						v-if="enableEmojiReactions"
 						ref="reactionsViewer"
@@ -278,6 +279,7 @@ const isRenote =
 	note.poll == null;
 
 const el = ref<HTMLElement>();
+const footerEl = ref<HTMLElement>(); 
 const menuButton = ref<HTMLElement>();
 const starButton = ref<InstanceType<typeof XStarButton>>();
 const renoteButton = ref<InstanceType<typeof XRenoteButton>>();
diff --git a/packages/client/src/components/MkSubNoteContent.vue b/packages/client/src/components/MkSubNoteContent.vue
index a345b23f5..a20afc39b 100644
--- a/packages/client/src/components/MkSubNoteContent.vue
+++ b/packages/client/src/components/MkSubNoteContent.vue
@@ -35,7 +35,11 @@
 			class="content"
 			:class="{ collapsed, isLong, showContent: note.cw && !showContent }"
 		>
-			<div class="body">
+			<XCwButton ref="cwButton" v-if="note.cw && !showContent" v-model="showContent" :note="note" v-on:keydown="focusFooter" />
+			<div 
+				class="body"
+				v-bind="{ 'aria-label': !showContent ? '' : null, 'tabindex': !showContent ? '-1' : null }"
+			>
 				<span v-if="note.deletedAt" style="opacity: 0.5"
 					>({{ i18n.ts.deleted }})</span
 				>
@@ -96,6 +100,11 @@
 						<XNoteSimple :note="note.renote" />
 					</div>
 				</template>
+				<div
+					v-if="!showContent"
+					tabindex="0"
+					v-on:focus="cwButton?.focus()"
+				></div>
 			</div>
 			<button
 				v-if="isLong && collapsed"
@@ -111,13 +120,13 @@
 			>
 				<span>{{ i18n.ts.showLess }}</span>
 			</button>
-			<XCwButton v-if="note.cw" v-model="showContent" :note="note" />
+			<XCwButton v-if="note.cw && showContent" v-model="showContent" :note="note" />
 		</div>
 	</div>
 </template>
 
 <script lang="ts" setup>
-import {} from "vue";
+import { ref } from "vue"; 
 import * as misskey from "calckey-js";
 import * as mfm from "mfm-js";
 import XNoteSimple from "@/components/MkNoteSimple.vue";
@@ -138,8 +147,10 @@ const props = defineProps<{
 
 const emit = defineEmits<{
 	(ev: "push", v): void;
+	(ev: "focusfooter"): void;
 }>();
 
+const cwButton = ref<HTMLElement>(); 
 const isLong =
 	!props.detailedView &&
 	props.note.cw == null &&
@@ -151,6 +162,13 @@ const urls = props.note.text
 	: null;
 
 let showContent = $ref(false);
+
+
+function focusFooter(ev) {
+	if (ev.key == "Tab" && !ev.getModifierState("Shift")) {
+		emit("focusfooter");
+	}
+}
 </script>
 
 <style lang="scss" scoped>
@@ -242,6 +260,9 @@ let showContent = $ref(false);
 				margin-top: -50px;
 				padding-top: 50px;
 				overflow: hidden;
+				user-select: none;
+				-webkit-user-select: none;
+				-moz-user-select: none;
 			}
 			&.collapsed > .body {
 				box-sizing: border-box;
@@ -271,6 +292,7 @@ let showContent = $ref(false);
 				bottom: 0;
 				left: 0;
 				width: 100%;
+				z-index: 2;
 				> span {
 					display: inline-block;
 					background: var(--panel);
@@ -279,7 +301,7 @@ let showContent = $ref(false);
 					border-radius: 999px;
 					box-shadow: 0 2px 6px rgb(0 0 0 / 20%);
 				}
-				&:hover {
+				&:hover, &:focus {
 					> span {
 						background: var(--panelHighlight);
 					}