Merge branch 'tae-hoon/pleroma-fe-323-improve-image-lightbox' into develop

src/components/media_modal/media_modal.js

@@ -11,27 +11,62 @@ const MediaModal = {
     showing () {
       return this.$store.state.mediaViewer.activated
     },
+    media () {
+      return this.$store.state.mediaViewer.media
+    },
     currentIndex () {
       return this.$store.state.mediaViewer.currentIndex
     },
     currentMedia () {
-      return this.$store.state.mediaViewer.media[this.currentIndex]
+      return this.media[this.currentIndex]
+    },
+    canNavigate () {
+      return this.media.length > 1
     },
     type () {
       return this.currentMedia ? fileTypeService.fileType(this.currentMedia.mimetype) : null
     }
   },
-  created () {
-    document.addEventListener('keyup', e => {
-      if (e.keyCode === 27 && this.showing) { // escape
-        this.hide()
-      }
-    })
-  },
   methods: {
     hide () {
       this.$store.dispatch('closeMediaViewer')
+    },
+    goPrev () {
+      if (this.canNavigate) {
+        const prevIndex = this.currentIndex === 0 ? this.media.length - 1 : (this.currentIndex - 1)
+        this.$store.dispatch('setCurrent', this.media[prevIndex])
+      }
+    },
+    goNext () {
+      if (this.canNavigate) {
+        const nextIndex = this.currentIndex === this.media.length - 1 ? 0 : (this.currentIndex + 1)
+        this.$store.dispatch('setCurrent', this.media[nextIndex])
+      }
+    },
+    handleKeyupEvent (e) {
+      if (this.showing && e.keyCode === 27) { // escape
+        this.hide()
+      }
+    },
+    handleKeydownEvent (e) {
+      if (!this.showing) {
+        return
+      }
+
+      if (e.keyCode === 39) { // arrow right
+        this.goNext()
+      } else if (e.keyCode === 37) { // arrow left
+        this.goPrev()
+      }
     }
+  },
+  mounted () {
+    document.addEventListener('keyup', this.handleKeyupEvent)
+    document.addEventListener('keydown', this.handleKeydownEvent)
+  },
+  destroyed () {
+    document.removeEventListener('keyup', this.handleKeyupEvent)
+    document.removeEventListener('keydown', this.handleKeydownEvent)
   }
 }
 

src/components/media_modal/media_modal.vue

@@ -8,6 +8,22 @@
       :controls="true"
       @click.stop.native="">
     </VideoAttachment>
+    <button
+      :title="$t('media_modal.previous')"
+      class="modal-view-button-arrow modal-view-button-arrow--prev"
+      v-if="canNavigate"
+      @click.stop.prevent="goPrev"
+    >
+      <i class="icon-left-open arrow-icon" />
+    </button>
+    <button
+      :title="$t('media_modal.next')"
+      class="modal-view-button-arrow modal-view-button-arrow--next"
+      v-if="canNavigate"
+      @click.stop.prevent="goNext"
+    >
+      <i class="icon-right-open arrow-icon" />
+    </button>
   </div>
 </template>
 
@@ -19,15 +35,29 @@
 .modal-view {
   z-index: 1000;
   position: fixed;
-  width: 100vw;
-  height: 100vh;
   top: 0;
   left: 0;
+  right: 0;
+  bottom: 0;
   display: flex;
   justify-content: center;
   align-items: center;
   background-color: rgba(0, 0, 0, 0.5);
-  cursor: pointer;
+
+  &:hover {
+    .modal-view-button-arrow {
+      opacity: 0.75;
+
+      &:focus,
+      &:hover {
+        outline: none;
+        box-shadow: none;
+      }
+      &:hover {
+        opacity: 1;
+      }
+    }
+  }
 }
 
 .modal-image {
@@ -35,4 +65,49 @@
   max-height: 90%;
   box-shadow: 0px 5px 15px 0 rgba(0, 0, 0, 0.5);
 }
+
+.modal-view-button-arrow {
+  position: absolute;
+  display: block;
+  top: 50%;
+  margin-top: -50px;
+  width: 70px;
+  height: 100px;
+  border: 0;
+  padding: 0;
+  opacity: 0;
+  box-shadow: none;
+  background: none;
+  appearance: none;
+  overflow: visible;
+  cursor: pointer;
+  transition: opacity 333ms cubic-bezier(.4,0,.22,1);
+
+  .arrow-icon {
+    position: absolute;
+    top: 35px;
+    height: 30px;
+    width: 32px;
+    font-size: 14px;
+    line-height: 30px;
+    color: #FFF;
+    text-align: center;
+    background-color: rgba(0,0,0,.3);
+  }
+
+  &--prev {
+    left: 0;
+    .arrow-icon {
+      left: 6px;
+    }
+  }
+
+  &--next {
+    right: 0;
+    .arrow-icon {
+      right: 6px;
+    }
+  }
+}
+
 </style>

src/i18n/en.json

@@ -36,6 +36,10 @@
     "username": "Username",
     "hint": "Log in to join the discussion"
   },
+  "media_modal": {
+    "previous": "Previous",
+    "next": "Next"
+  },
   "nav": {
     "about": "About",
     "back": "Back",