fix animations, replace ugly old mentionlink tooltips with new usercard ones

src/App.scss

@@ -829,7 +829,7 @@ option {
 // Vue transitions
 .fade-enter-active,
 .fade-leave-active {
-  transition: opacity 0.2s;
+  transition: opacity 0.3s;
 }
 
 .fade-enter-from,

src/components/mention_link/mention_link.js

@@ -2,6 +2,7 @@ import generateProfileLink from 'src/services/user_profile_link_generator/user_p
 import { mapGetters, mapState } from 'vuex'
 import { highlightClass, highlightStyle } from '../../services/user_highlighter/user_highlighter.js'
 import UserAvatar from '../user_avatar/user_avatar.vue'
+import { defineAsyncComponent } from 'vue'
 import { library } from '@fortawesome/fontawesome-svg-core'
 import {
   faAt
@@ -14,7 +15,9 @@ library.add(
 const MentionLink = {
   name: 'MentionLink',
   components: {
-    UserAvatar
+    UserAvatar,
+    Popover: defineAsyncComponent(() => import('../popover/popover.vue')),
+    UserCard: defineAsyncComponent(() => import('../user_card/user_card.vue'))
   },
   props: {
     url: {
@@ -36,6 +39,7 @@ const MentionLink = {
   },
   methods: {
     onClick () {
+      if (this.shouldShowTooltip) return
       const link = generateProfileLink(
         this.userId || this.user.id,
         this.userScreenName || this.user.screen_name
@@ -110,7 +114,7 @@ const MentionLink = {
       }
     },
     shouldShowTooltip () {
-      return this.mergedConfig.mentionLinkShowTooltip && this.mergedConfig.mentionLinkDisplay === 'short' && this.isRemote
+      return this.mergedConfig.mentionLinkShowTooltip
     },
     shouldShowAvatar () {
       return this.mergedConfig.mentionLinkShowAvatar

src/components/mention_link/mention_link.scss

@@ -101,7 +101,6 @@
   }
 
   &:hover .new .full {
-    opacity: 1;
     pointer-events: initial;
   }
 
@@ -113,3 +112,9 @@
     color: var(--faint, $fallback--faint);
   }
 }
+
+.mention-link-popover {
+  max-width: 70ch;
+  max-height: 20rem;
+  overflow: hidden;
+}

src/components/mention_link/mention_link.vue

@@ -9,7 +9,16 @@
       class="original"
       target="_blank"
       v-html="content"
-    /><!-- eslint-enable vue/no-v-html --><span
+    /><!-- eslint-enable vue/no-v-html -->
+    <Popover
+      trigger="click"
+      :bound-to="{ x: 'container'}"
+      bound-to-selector=".column"
+      popover-class="popover-default mention-popover"
+      :disabled="!shouldShowTooltip"
+    >
+      <template v-slot:trigger>
+        <span
           v-if="user"
           class="new"
           :style="style"
@@ -50,8 +59,7 @@
             <!-- eslint-enable vue/no-v-html -->
           </a><span
             v-if="shouldShowTooltip"
-        class="full popover-default"
-        :class="[highlightType]"
+            class="full"
           >
             <span
               class="userNameFull"
@@ -68,7 +76,18 @@
               <!-- eslint-enable vue/no-v-html -->
             </span>
           </span>
-    </span>
+        </span></template>
+      <template v-slot:content>
+        <UserCard
+          class="mention-link-popover"
+          :user-id="user.id"
+          :hide-bio="true"
+          :bordered="false"
+          :allow-zooming-avatar="true"
+          :rounded="true"
+        />
+      </template>
+    </Popover>
   </span>
 </template>
 

src/components/popover/popover.js

@@ -31,13 +31,18 @@ const Popover = {
 
     // If true, subtract padding when calculating position for the popover,
     // use it when popover offset looks to be different on top vs bottom.
-    removePadding: Boolean
+    removePadding: Boolean,
+
+    // self-explanatory (i hope)
+    disabled: Boolean
   },
   data () {
     return {
       hidden: true,
-      styles: { opacity: 0 },
-      oldSize: { width: 0, height: 0 }
+      styles: {},
+      oldSize: { width: 0, height: 0 },
+      // used to avoid blinking if hovered onto popover
+      graceTimeout: null
     }
   },
   methods: {
@@ -47,9 +52,7 @@ const Popover = {
     },
     updateStyles () {
       if (this.hidden) {
-        this.styles = {
-          opacity: 0
-        }
+        this.styles = {}
         return
       }
 
@@ -132,7 +135,6 @@ const Popover = {
       // Note, separate translateX and translateY avoids blurry text on chromium,
       // single translate or translate3d resulted in blurry text.
       this.styles = {
-        opacity: 1,
         left: `${Math.round(translateX)}px`,
         top: `${Math.round(translateY)}px`,
         position: 'fixed'
@@ -143,6 +145,7 @@ const Popover = {
       }
     },
     showPopover () {
+      if (this.disabled) return
       const wasHidden = this.hidden
       this.hidden = false
       this.$nextTick(() => {
@@ -153,13 +156,30 @@ const Popover = {
     hidePopover () {
       if (!this.hidden) this.$emit('close')
       this.hidden = true
-      this.styles = { opacity: 0 }
     },
     onMouseenter (e) {
-      if (this.trigger === 'hover') this.showPopover()
+      if (this.trigger === 'hover') {
+        clearTimeout(this.graceTimeout)
+        this.graceTimeout = null
+        this.showPopover()
+      }
     },
     onMouseleave (e) {
-      if (this.trigger === 'hover') this.hidePopover()
+      if (this.trigger === 'hover') {
+        this.graceTimeout = setTimeout(() => this.hidePopover(), 1)
+      }
+    },
+    onMouseenterContent (e) {
+      if (this.trigger === 'hover') {
+        clearTimeout(this.graceTimeout)
+        this.graceTimeout = null
+        this.showPopover()
+      }
+    },
+    onMouseleaveContent (e) {
+      if (this.trigger === 'hover') {
+        this.graceTimeout = setTimeout(() => this.hidePopover(), 1)
+      }
     },
     onClick (e) {
       if (this.trigger === 'click') {

src/components/popover/popover.vue

@@ -1,5 +1,5 @@
 <template>
-  <div
+  <span
     @mouseenter="onMouseenter"
     @mouseleave="onMouseleave"
   >
@@ -12,12 +12,15 @@
       <slot name="trigger" />
     </button>
     <teleport to="#popovers">
+      <transition name="fade">
         <div
           v-if="!hidden"
           ref="content"
           :style="styles"
           class="popover"
           :class="popoverClass || 'popover-default'"
+          @mouseenter="onMouseenterContent"
+          @mouseleave="onMouseleaveContent"
         >
           <slot
             name="content"
@@ -25,8 +28,9 @@
             :close="hidePopover"
           />
         </div>
+      </transition>
     </teleport>
-  </div>
+  </span>
 </template>
 
 <script src="./popover.js" />
@@ -47,8 +51,6 @@
 }
 
 .popover-default {
-  transition: opacity 0.3s;
-
   &:after {
     content: '';
     position: absolute;

src/components/settings_modal/tabs/general_tab.vue

@@ -269,7 +269,7 @@
               path="mentionLinkShowTooltip"
               expert="1"
             >
-              {{ $t('settings.mention_link_show_tooltip') }}
+              {{ $t('settings.mention_link_use_tooltip') }}
             </BooleanSetting>
           </li>
         </ul>

src/i18n/en.json

@@ -523,7 +523,7 @@
     "mention_link_display_short": "always as short names (e.g. {'@'}foo)",
     "mention_link_display_full_for_remote": "as full names only for remote users (e.g. {'@'}foo{'@'}example.org)",
     "mention_link_display_full": "always as full names (e.g. {'@'}foo{'@'}example.org)",
-    "mention_link_show_tooltip": "Show full user names as tooltip for remote users",
+    "mention_link_use_tooltip": "Show user card when clicking mention links",
     "mention_link_show_avatar": "Show user avatar beside the link",
     "mention_link_fade_domain": "Fade domains (e.g. {'@'}example.org in {'@'}foo{'@'}example.org)",
     "mention_link_bolden_you": "Highlight mention of you when you are mentioned",