refs #543 Fix focus logic in favourite

src/renderer/components/TimelineSpace/Contents/Favourites.vue

@@ -2,16 +2,16 @@
 <div id="favourites">
   <div v-shortkey="{linux: ['ctrl', 'r'], mac: ['meta', 'r']}" @shortkey="reload()">
   </div>
-  <div class="fav" v-for="(message, index) in favourites" v-bind:key="message.id">
+  <div class="fav" v-for="message in favourites" v-bind:key="message.id">
     <toot
       :message="message"
       :filter="filter"
-      :focused="index === focusedIndex"
+      :focused="message.uri === focusedId"
       v-on:update="updateToot"
       v-on:delete="deleteToot"
       @focusNext="focusNext"
       @focusPrev="focusPrev"
-      @selectToot="focusToot(index)"
+      @selectToot="focusToot(message)"
       >
     </toot>
   </div>
@@ -35,7 +35,7 @@ export default {
   data () {
     return {
       heading: true,
-      focusedIndex: null
+      focusedId: null
     }
   },
   computed: {
@@ -81,7 +81,7 @@ export default {
       }
     },
     focusedIndex: function (newState, oldState) {
-      if (newState >= 0 && this.heading) {
+      if (newState && this.heading) {
         this.heading = false
       } else if (newState === null && !this.heading) {
         this.heading = true
@@ -147,24 +147,26 @@ export default {
         document.getElementById('scrollable'),
         0
       )
-      this.focusedIndex = null
+      this.focusedId = null
     },
     focusNext () {
-      if (this.focusedIndex === null) {
-        this.focusedIndex = 0
-      } else if (this.focusedIndex < this.favourites.length) {
-        this.focusedIndex++
+      const currentIndex = this.favourites.findIndex(toot => this.focusedId === toot.uri)
+      if (currentIndex === -1) {
+        this.focusedId = this.favourites[0].uri
+      } else if (currentIndex < this.favourites.length) {
+        this.focusedId = this.favourites[currentIndex + 1].uri
       }
     },
     focusPrev () {
-      if (this.focusedIndex === 0) {
-        this.focusedIndex = null
-      } else if (this.focusedIndex > 0) {
-        this.focusedIndex--
+      const currentIndex = this.favourites.findIndex(toot => this.focusedId === toot.uri)
+      if (currentIndex === 0) {
+        this.focusedId = null
+      } else if (currentIndex > 0) {
+        this.focusedId = this.favourites[currentIndex - 1].uri
       }
     },
-    focusToot (index) {
-      this.focusedIndex = index
+    focusToot (message) {
+      this.focusedId = message.id
     }
   }
 }

src/renderer/components/TimelineSpace/Contents/Home.vue

@@ -4,7 +4,7 @@
   <div v-shortkey="{linux: ['ctrl', 'r'], mac: ['meta', 'r']}" @shortkey="reload()">
   </div>
   <transition-group name="timeline" tag="div">
-    <div class="home-timeline" v-for="(message, index) in timeline" :key="message.uri">
+    <div class="home-timeline" v-for="message in timeline" :key="message.uri">
       <toot
         :message="message"
         :filter="filter"