From 4f04421cb3091fa6302ada179e02aadad0533607 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Sun, 24 Oct 2021 04:03:07 +0900
Subject: refactor clinet

---
 src/client/components/global/header.vue           |  9 +--
 src/client/components/global/sticky-container.vue | 74 +++++++++++++++++++++++
 src/client/components/index.ts                    |  2 +
 src/client/components/modal-page-window.vue       |  9 ++-
 src/client/components/page-window.vue             |  5 +-
 5 files changed, 88 insertions(+), 11 deletions(-)
 create mode 100644 src/client/components/global/sticky-container.vue

(limited to 'src/client/components')

diff --git a/src/client/components/global/header.vue b/src/client/components/global/header.vue
index 2bf490c98a..526db07fd3 100644
--- a/src/client/components/global/header.vue
+++ b/src/client/components/global/header.vue
@@ -2,8 +2,8 @@
 <div class="fdidabkb" :class="{ slim: narrow, thin: thin_ }" :style="{ background: bg }" @click="onClick" ref="el">
 	<template v-if="info">
 		<div class="titleContainer" @click="showTabsPopup" v-if="!hideTitle">
-			<i v-if="info.icon" class="icon" :class="info.icon"></i>
-			<MkAvatar v-else-if="info.avatar" class="avatar" :user="info.avatar" :disable-preview="true" :show-indicator="true"/>
+			<MkAvatar v-if="info.avatar" class="avatar" :user="info.avatar" :disable-preview="true" :show-indicator="true"/>
+			<i v-else-if="info.icon" class="icon" :class="info.icon"></i>
 
 			<div class="title">
 				<MkUserName v-if="info.userName" :user="info.userName" :nowrap="false" class="title"/>
@@ -162,11 +162,6 @@ export default defineComponent({
 				onUnmounted(() => {
 					ro.disconnect();
 				});
-				setTimeout(() => {
-					const currentStickyTop = getComputedStyle(el.value.parentElement).getPropertyValue('--stickyTop') || '0px';
-					el.value.style.setProperty('--stickyTop', currentStickyTop);
-					el.value.parentElement.style.setProperty('--stickyTop', `calc(${currentStickyTop} + ${el.value.offsetHeight}px)`);
-				}, 100); // レンダリング順序の関係で親のstickyTopの設定が少し遅れることがあるため
 			}
 		});
 
diff --git a/src/client/components/global/sticky-container.vue b/src/client/components/global/sticky-container.vue
new file mode 100644
index 0000000000..859b2c1d73
--- /dev/null
+++ b/src/client/components/global/sticky-container.vue
@@ -0,0 +1,74 @@
+<template>
+<div ref="rootEl">
+	<slot name="header"></slot>
+	<div ref="bodyEl">
+		<slot></slot>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent, onMounted, onUnmounted, ref } from 'vue';
+
+export default defineComponent({
+	props: {
+		autoSticky: {
+			type: Boolean,
+			required: false,
+			default: false,
+		},
+	},
+
+	setup(props, context) {
+		const rootEl = ref<HTMLElement>(null);
+		const bodyEl = ref<HTMLElement>(null);
+
+		const calc = () => {
+			const currentStickyTop = getComputedStyle(rootEl.value).getPropertyValue('--stickyTop') || '0px';
+
+			const header = rootEl.value.children[0];
+			if (header === bodyEl.value) {
+				bodyEl.value.style.setProperty('--stickyTop', currentStickyTop);
+			} else {
+				bodyEl.value.style.setProperty('--stickyTop', `calc(${currentStickyTop} + ${header.offsetHeight}px)`);
+
+				if (props.autoSticky) {
+					header.style.setProperty('--stickyTop', currentStickyTop);
+					header.style.position = 'sticky';
+					header.style.top = 'var(--stickyTop)';
+					header.style.zIndex = '1';
+				}
+			}
+		};
+
+		onMounted(() => {
+			calc();
+
+			const observer = new MutationObserver(() => {
+				setTimeout(() => {
+					calc();
+				}, 100);
+			});
+
+			observer.observe(rootEl.value, {
+				attributes: false,
+				childList: true,
+				subtree: false,
+			});
+
+			onUnmounted(() => {
+				observer.disconnect();
+			});
+		});
+
+		return {
+			rootEl,
+			bodyEl,
+		};
+	},
+});
+</script>
+
+<style lang="scss" module>
+
+</style>
diff --git a/src/client/components/index.ts b/src/client/components/index.ts
index ecf66ea0e8..2340b228f8 100644
--- a/src/client/components/index.ts
+++ b/src/client/components/index.ts
@@ -15,6 +15,7 @@ import error from './global/error.vue';
 import ad from './global/ad.vue';
 import header from './global/header.vue';
 import spacer from './global/spacer.vue';
+import stickyContainer from './global/sticky-container.vue';
 
 export default function(app: App) {
 	app.component('I18n', i18n);
@@ -32,4 +33,5 @@ export default function(app: App) {
 	app.component('MkAd', ad);
 	app.component('MkHeader', header);
 	app.component('MkSpacer', spacer);
+	app.component('MkStickyContainer', stickyContainer);
 }
diff --git a/src/client/components/modal-page-window.vue b/src/client/components/modal-page-window.vue
index 621119294e..e47d3dc62c 100644
--- a/src/client/components/modal-page-window.vue
+++ b/src/client/components/modal-page-window.vue
@@ -11,9 +11,12 @@
 			<button class="_button" @click="$refs.modal.close()"><i class="fas fa-times"></i></button>
 		</div>
 		<div class="body">
-			<keep-alive>
-				<component :is="component" v-bind="props" :ref="changePage"/>
-			</keep-alive>
+			<MkStickyContainer>
+				<template #header><MkHeader v-if="pageInfo && !pageInfo.hideHeader" :info="pageInfo"/></template>
+				<keep-alive>
+					<component :is="component" v-bind="props" :ref="changePage"/>
+				</keep-alive>
+			</MkStickyContainer>
 		</div>
 	</div>
 </MkModal>
diff --git a/src/client/components/page-window.vue b/src/client/components/page-window.vue
index 2b77a214c5..bc7c5b7a19 100644
--- a/src/client/components/page-window.vue
+++ b/src/client/components/page-window.vue
@@ -17,7 +17,10 @@
 		<button v-if="history.length > 0" class="_button" @click="back()" v-tooltip="$ts.goBack"><i class="fas fa-arrow-left"></i></button>
 	</template>
 	<div class="yrolvcoq">
-		<component :is="component" v-bind="props" :ref="changePage"/>
+		<MkStickyContainer>
+			<template #header><MkHeader v-if="pageInfo && !pageInfo.hideHeader" :info="pageInfo"/></template>
+			<component :is="component" v-bind="props" :ref="changePage"/>
+		</MkStickyContainer>
 	</div>
 </XWindow>
 </template>
-- 
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