From d0d3b70c73b06f70f0230ef624ccc6182ef15144 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Sat, 8 Feb 2020 11:33:32 +0900
Subject: [PATCH] Better page transition

---
 src/client/app.vue | 49 +++++++++++++++++++++++++++++++++-------------
 1 file changed, 35 insertions(+), 14 deletions(-)

diff --git a/src/client/app.vue b/src/client/app.vue
index 79873f131..e6f8f1b85 100644
--- a/src/client/app.vue
+++ b/src/client/app.vue
@@ -75,8 +75,8 @@
 
 	<div class="contents">
 		<main ref="main">
-			<div class="content">
-				<transition :name="$store.state.device.animation ? 'page' : ''" mode="out-in" @enter="onTransition">
+			<div class="content" :class="{ backward: isBack, forward: !isBack }">
+				<transition :name="$store.state.device.animation ? isIndexRelatedNavigate ? 'index' : 'page' : ''" mode="out-in" @enter="onTransition">
 					<keep-alive :include="['index']">
 						<router-view></router-view>
 					</keep-alive>
@@ -169,6 +169,8 @@ export default Vue.extend({
 			widgetsEditMode: false,
 			enableWidgets: window.innerWidth >= 1100,
 			canBack: false,
+			isBack: false,
+			isIndexRelatedNavigate: false,
 			disconnectedDialog: null as Promise<void> | null,
 			faChevronLeft, faComments, faHashtag, faBroadcastTower, faFireAlt, faEllipsisH, faPencilAlt, faBars, faTimes, faBell, faSearch, faUserCog, faCog, faUser, faHome, faStar, faCircle, faAt, faEnvelope, faListUl, faPlus, faUserClock, faLaugh, faUsers, faTachometerAlt, faExchangeAlt, faGlobe, faChartBar, faCloud, faServer
 		};
@@ -209,6 +211,12 @@ export default Vue.extend({
 	},
 
 	created() {
+		this.$router.beforeEach((to, from, next) => {
+			this.isBack = to.name === 'index';
+			this.isIndexRelatedNavigate = to.name === 'index' || from.name === 'index';
+			next();
+		});
+	
 		if (this.$store.getters.isSignedIn) {
 			this.connection = this.$root.stream.useSharedConnection('main');
 			this.connection.on('notification', this.onNotification);
@@ -604,18 +612,6 @@ export default Vue.extend({
 	transform: scale(0.9);
 }
 
-.page-enter-active, .page-leave-active {
-	transition: opacity 0.5s, transform 0.5s !important;
-}
-.page-enter {
-	opacity: 0;
-	transform: translateY(-32px);
-}
-.page-leave-to {
-	opacity: 0;
-	transform: translateY(32px);
-}
-
 .mk-app {
 	$header-height: 60px;
 	$nav-width: 250px;
@@ -901,6 +897,31 @@ export default Vue.extend({
 				@media (max-width: 500px) {
 					padding: 8px;
 				}
+
+				::v-deep .index-enter-active, ::v-deep .index-leave-active,
+				::v-deep .page-enter-active, ::v-deep .page-leave-active {
+					transition: opacity 0.5s, transform 0.5s !important;
+				}
+
+				&.forward ::v-deep .page-enter {
+					opacity: 0;
+					transform: translateY(-32px);
+				}
+				&.forward ::v-deep .page-leave-to {
+					opacity: 0;
+					transform: translateY(32px);
+				}
+
+				&.forward ::v-deep .index-enter,
+				&.backward ::v-deep .index-leave-to {
+					opacity: 0;
+					transform: translateX(32px);
+				}
+				&.forward ::v-deep .index-leave-to,
+				&.backward ::v-deep .index-enter {
+					opacity: 0;
+					transform: translateX(-32px);
+				}
 			}
 
 			> .powerd-by {