2 files changed, 142 insertions, 13 deletions

diff --git a/src/components/emoji_reactions/emoji_reactions.js b/src/components/emoji_reactions/emoji_reactions.js
index 95d52cb6..ae7f53be 100644
--- a/src/components/emoji_reactions/emoji_reactions.js
+++ b/src/components/emoji_reactions/emoji_reactions.js
@@ -1,17 +1,52 @@
+import UserAvatar from '../user_avatar/user_avatar.vue'
+import Popover from '../popover/popover.vue'
+
+const EMOJI_REACTION_COUNT_CUTOFF = 12
 
 const EmojiReactions = {
   name: 'EmojiReactions',
+  components: {
+    UserAvatar,
+    Popover
+  },
   props: ['status'],
+  data: () => ({
+    showAll: false
+  }),
   computed: {
+    tooManyReactions () {
+      return this.status.emoji_reactions.length > EMOJI_REACTION_COUNT_CUTOFF
+    },
     emojiReactions () {
-      return this.status.emoji_reactions
+      return this.showAll
+        ? this.status.emoji_reactions
+        : this.status.emoji_reactions.slice(0, EMOJI_REACTION_COUNT_CUTOFF)
+    },
+    showMoreString () {
+      return `+${this.status.emoji_reactions.length - EMOJI_REACTION_COUNT_CUTOFF}`
+    },
+    accountsForEmoji () {
+      return this.status.emoji_reactions.reduce((acc, reaction) => {
+        acc[reaction.name] = reaction.accounts || []
+        return acc
+      }, {})
+    },
+    loggedIn () {
+      return !!this.$store.state.users.currentUser
     }
   },
   methods: {
+    toggleShowAll () {
+      this.showAll = !this.showAll
+    },
     reactedWith (emoji) {
-      const user = this.$store.state.users.currentUser
-      const reaction = this.status.emoji_reactions.find(r => r.emoji === emoji)
-      return reaction.accounts && reaction.accounts.find(u => u.id === user.id)
+      return this.status.emoji_reactions.find(r => r.name === emoji).me
+    },
+    fetchEmojiReactionsByIfMissing () {
+      const hasNoAccounts = this.status.emoji_reactions.find(r => !r.accounts)
+      if (hasNoAccounts) {
+        this.$store.dispatch('fetchEmojiReactionsBy', this.status.id)
+      }
     },
     reactWith (emoji) {
       this.$store.dispatch('reactWithEmoji', { id: this.status.id, emoji })
@@ -20,6 +55,8 @@ const EmojiReactions = {
       this.$store.dispatch('unreactWithEmoji', { id: this.status.id, emoji })
     },
     emojiOnClick (emoji, event) {
+      if (!this.loggedIn) return
+
       if (this.reactedWith(emoji)) {
         this.unreact(emoji)
       } else {
diff --git a/src/components/emoji_reactions/emoji_reactions.vue b/src/components/emoji_reactions/emoji_reactions.vue
index 00d6d2b7..bac4c605 100644
--- a/src/components/emoji_reactions/emoji_reactions.vue
+++ b/src/components/emoji_reactions/emoji_reactions.vue
@@ -1,15 +1,61 @@
 <template>
   <div class="emoji-reactions">
-    <button
+    <Popover
       v-for="(reaction) in emojiReactions"
-      :key="reaction.emoji"
-      class="emoji-reaction btn btn-default"
-      :class="{ 'picked-reaction': reactedWith(reaction.emoji) }"
-      @click="emojiOnClick(reaction.emoji, $event)"
+      :key="reaction.name"
+      trigger="hover"
+      placement="top"
+      :offset="{ y: 5 }"
     >
-      <span class="reaction-emoji">{{ reaction.emoji }}</span>
-      <span>{{ reaction.count }}</span>
-    </button>
+      <div
+        slot="content"
+        class="reacted-users"
+      >
+        <div v-if="accountsForEmoji[reaction.name].length">
+          <div
+            v-for="(account) in accountsForEmoji[reaction.name]"
+            :key="account.id"
+            class="reacted-user"
+          >
+            <UserAvatar
+              :user="account"
+              class="avatar-small"
+              :compact="true"
+            />
+            <div class="reacted-user-names">
+              <!-- eslint-disable vue/no-v-html -->
+              <span
+                class="reacted-user-name"
+                v-html="account.name_html"
+              />
+              <!-- eslint-enable vue/no-v-html -->
+              <span class="reacted-user-screen-name">{{ account.screen_name }}</span>
+            </div>
+          </div>
+        </div>
+        <div v-else>
+          <i class="icon-spin4 animate-spin" />
+        </div>
+      </div>
+      <button
+        slot="trigger"
+        class="emoji-reaction btn btn-default"
+        :class="{ 'picked-reaction': reactedWith(reaction.name), 'not-clickable': !loggedIn }"
+        @click="emojiOnClick(reaction.name, $event)"
+        @mouseenter="fetchEmojiReactionsByIfMissing()"
+      >
+        <span class="reaction-emoji">{{ reaction.name }}</span>
+        <span>{{ reaction.count }}</span>
+      </button>
+    </Popover>
+    <a
+      v-if="tooManyReactions"
+      class="emoji-reaction-expand faint"
+      href="javascript:void(0)"
+      @click="toggleShowAll"
+    >
+      {{ showAll ? $t('general.show_less') : showMoreString }}
+    </a>
   </div>
 </template>
 
@@ -23,6 +69,32 @@
   flex-wrap: wrap;
 }
 
+.reacted-users {
+  padding: 0.5em;
+}
+
+.reacted-user {
+  padding: 0.25em;
+  display: flex;
+  flex-direction: row;
+
+  .reacted-user-names {
+    display: flex;
+    flex-direction: column;
+    margin-left: 0.5em;
+    min-width: 5em;
+
+    img {
+      width: 1em;
+      height: 1em;
+    }
+  }
+
+  .reacted-user-screen-name {
+    font-size: 9px;
+  }
+}
+
 .emoji-reaction {
   padding: 0 0.5em;
   margin-right: 0.5em;
@@ -38,10 +110,30 @@
   &:focus {
     outline: none;
   }
+
+  &.not-clickable {
+    cursor: default;
+    &:hover {
+      box-shadow: $fallback--buttonShadow;
+      box-shadow: var(--buttonShadow);
+    }
+  }
+}
+
+.emoji-reaction-expand {
+  padding: 0 0.5em;
+  margin-right: 0.5em;
+  margin-top: 0.5em;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  &:hover {
+    text-decoration: underline;
+  }
 }
 
 .picked-reaction {
-  border: 1px solid var(--link, $fallback--link);
+  border: 1px solid var(--accent, $fallback--link);
   margin-left: -1px; // offset the border, can't use inset shadows either
   margin-right: calc(0.5em - 1px);
 }