From 480ca0b8c04c0e1b28e731c3539dc329a2a82e8a Mon Sep 17 00:00:00 2001
From: N Pex <npexdev@gmail.com>
Date: Wed, 25 Oct 2023 10:44:25 +0000
Subject: [PATCH] Fix gallery view/preview

---
 src/assets/css/_utilities.scss                |   4 +-
 src/components/Chat.vue                       |   1 +
 src/components/MoreMenuPopup.vue              |  12 +-
 src/components/file_mode/GalleryItemsView.vue | 143 ++++++++++++++++++
 src/components/file_mode/ThumbnailView.vue    |  61 ++++++++
 .../messages/MessageIncomingThread.vue        |  26 ++--
 .../messages/MessageOutgoingThread.vue        |  35 +++--
 src/components/messages/messageMixin.js       |   6 +
 8 files changed, 259 insertions(+), 29 deletions(-)
 create mode 100644 src/components/file_mode/GalleryItemsView.vue
 create mode 100644 src/components/file_mode/ThumbnailView.vue

diff --git a/src/assets/css/_utilities.scss b/src/assets/css/_utilities.scss
index 51d8edf..acb95ac 100644
--- a/src/assets/css/_utilities.scss
+++ b/src/assets/css/_utilities.scss
@@ -21,7 +21,7 @@
     width: 100%;
 }
 .h-100 {
-    width: 100%;
+    height: 100%;
 }
 .white-space-pre {
     white-space: pre;
@@ -37,4 +37,4 @@
 }
 .box-shadow-none {
     box-shadow: none !important;
-}
\ No newline at end of file
+}
diff --git a/src/components/Chat.vue b/src/components/Chat.vue
index c21c6ed..e212cab 100644
--- a/src/components/Chat.vue
+++ b/src/components/Chat.vue
@@ -72,6 +72,7 @@
           " v-on:touchend="touchEnd" v-on:touchcancel="touchCancel" v-on:touchmove="touchMove">
             <component :is="componentForEvent(event)" :room="room" :originalEvent="event" :nextEvent="filteredEvents[index + 1]"
               :timelineSet="timelineSet" v-on:send-quick-reaction.stop="sendQuickReaction"
+              :componentFn="componentForEvent"
               v-on:context-menu="showContextMenuForEvent($event)" v-on:own-avatar-clicked="viewProfile"
               v-on:other-avatar-clicked="showAvatarMenuForEvent($event)" v-on:download="download(event)"
               v-on:poll-closed="pollWasClosed(event)"
diff --git a/src/components/MoreMenuPopup.vue b/src/components/MoreMenuPopup.vue
index a561e78..01fa3dd 100644
--- a/src/components/MoreMenuPopup.vue
+++ b/src/components/MoreMenuPopup.vue
@@ -4,10 +4,10 @@
     <v-card flat>
       <v-card-text>
 
-        <v-container class="mt-0 pa-0 pt-3 action-row-container-no-dividers">
+        <v-container class="mt-0 pa-0 pt-3 pb-3 action-row-container-no-dividers">
           <ActionRow v-for="item in menuItems" :key="item.name" :icon="item.icon" :iconSize="16" :text="item.text" @click="$emit('close');item.handler()" />
 
-          <v-row class="profile-row clickable" @click="viewProfile" no-gutters align-content="center">
+          <v-row v-if="showProfile" class="profile-row clickable" @click="viewProfile" no-gutters align-content="center">
             <v-col cols="auto" class="me-2">
               <v-avatar class="avatar-32" size="32" color="#e0e0e0" @click.stop="viewProfile">
                 <img v-if="userAvatar" :src="userAvatar" />
@@ -40,6 +40,12 @@ export default {
         return false;
       },
     },
+    showProfile: {
+      type: Boolean,
+      default: function () {
+        return true;
+      },
+    },
     menuItems: {
       type: Array,
       default: function() {
@@ -116,7 +122,7 @@ export default {
 
   .profile-row {
     border-top: 1px solid rgba(0, 0, 0, 0.1);
-    padding: 20px 20px !important;
+    padding: 20px 20px 8px 20px !important;
   }
 
   .action-row:after {
diff --git a/src/components/file_mode/GalleryItemsView.vue b/src/components/file_mode/GalleryItemsView.vue
new file mode 100644
index 0000000..2a5d94a
--- /dev/null
+++ b/src/components/file_mode/GalleryItemsView.vue
@@ -0,0 +1,143 @@
+<template>
+  <div class="fill-screen file-drop-root">
+
+    <div class="chat-header">
+      <v-container fluid class="d-flex justify-space-between align-center">
+        <v-icon @click.stop="$emit('close')" color="white" class="clickable">arrow_back</v-icon>
+        <div class="room-name no-upper">{{ displayDate }}</div>
+        <v-icon @click.stop="showMoreMenu = true" color="white" class="clickable">more_vert</v-icon>
+      </v-container>
+    </div>
+
+    <div class="file-drop-current-item">
+      <ThumbnailView :item="items[currentItemIndex]" />
+      <div class="download-button clickable" @click.stop="downloadOne">
+          <v-icon color="black">arrow_downward</v-icon>
+      </div>
+    </div>
+    <div class="file-drop-thumbnail-container">
+      <div :class="{ 'file-drop-thumbnail': true, 'clickable': true, 'current': id == currentItemIndex }"
+        @click="currentItemIndex = id" v-for="(currentImageInput, id) in items" :key="id">
+        <v-img v-if="currentImageInput && currentImageInput.src" :src="currentImageInput.src" />
+      </div>
+    </div>
+
+    <!-- MORE MENU POPUP -->
+    <MoreMenuPopup :show="showMoreMenu" :menuItems="moreMenuItems" :showProfile="false" @close="showMoreMenu = false" />
+  </div>
+</template>
+
+<script>
+import MoreMenuPopup from "../MoreMenuPopup";
+import messageMixin from "../messages/messageMixin";
+import util from "../../plugins/utils";
+import ThumbnailView from './ThumbnailView.vue';
+
+export default {
+  mixins: [messageMixin],
+  components: { MoreMenuPopup, ThumbnailView },
+  props: {
+    items: {
+      type: Array,
+      default: function () {
+        return []
+      }
+    },
+    initialItem: {
+      type: Object,
+      default: function() {
+        return null;
+      }
+    }
+  },
+  data() {
+    return {
+      currentItemIndex: 0,
+      showMoreMenu: false,
+    };
+  },
+  mounted() {
+    document.body.classList.add("dark");
+    if (this.initialItem) {
+      this.currentItemIndex = this.items.findIndex((v) => v === this.initialItem);
+      if (this.currentItemIndex < 0) {
+        this.currentItemIndex = 0;
+      }
+    }
+  },
+  beforeDestroy() {
+    document.body.classList.remove("dark");
+  },
+  computed: {
+    displayDate() {
+      return util.formatRecordStartTime(this.originalEvent.getTs())
+    },
+    moreMenuItems() {
+      let items = [];
+        items.push({
+          icon: '$vuetify.icons.ic_download', text: this.$t("message.download_all"), handler: () => {
+            this.downloadAll();
+          }
+        });
+      return items;
+    },
+  },
+  watch: {
+    items(newValue, oldValue) {
+      // Added or removed?
+      if (newValue && oldValue && newValue.length > oldValue.length) {
+        this.currentItemIndex = oldValue.length;
+      } else if (newValue) {
+        this.currentItemIndex = newValue.length - 1;
+      }
+    },
+  },
+  methods: {
+    downloadOne() {
+      if (this.currentItemIndex >= 0 && this.currentItemIndex < this.items.length) {
+        util.download(this.$matrix.matrixClient, this.items[this.currentItemIndex].event);
+      }
+    },
+    downloadAll() {
+      this.items.forEach(item => util.download(this.$matrix.matrixClient, item.event));
+    }
+  }
+};
+</script>
+
+<style lang="scss">
+@import "@/assets/css/chat.scss";
+
+.chat-header {
+  position: relative !important;
+  width: 100%;
+}
+
+.file-drop-current-item {
+  position: relative;
+}
+
+.download-button {
+  position: absolute;
+  right: 21px;
+  bottom: 21px;
+  width: 34px;
+  height: 34px;
+  background: rgba(255,255,255,0.8);
+  border-radius: 17px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.fill-screen {
+    position: fixed !important;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background: black;
+    z-index: 20;
+    justify-content: space-between !important;
+}
+</style>
\ No newline at end of file
diff --git a/src/components/file_mode/ThumbnailView.vue b/src/components/file_mode/ThumbnailView.vue
new file mode 100644
index 0000000..59a5e76
--- /dev/null
+++ b/src/components/file_mode/ThumbnailView.vue
@@ -0,0 +1,61 @@
+<template>
+    <v-responsive v-if="item.event.getContent().msgtype == 'm.video'" :class="{'thumbnail-item': true, 'preview': previewOnly}"
+        @click.stop="$emit('itemclick', {item: item})">
+        <video :src="item.src"  :controls="!previewOnly" class="w-100 h-100">
+            {{ $t('fallbacks.video_file') }}
+        </video>
+    </v-responsive>
+    <v-img v-else-if="item.event.getContent().msgtype == 'm.image'" :aspect-ratio="previewOnly ? (16 / 9) : undefined" :class="{'thumbnail-item': true, 'preview': previewOnly}" :src="item.src" :contain="!previewOnly" :cover="previewOnly"
+        @click.stop="$emit('itemclick', {item: item})" />
+    <div v-else :class="{'thumbnail-item': true, 'preview': previewOnly, 'file-item': true}" @click.stop="$emit('itemclick', {item: item})">
+        <v-icon>description</v-icon>
+        {{ $sanitize(item.event.getContent().body) }}
+    </div>
+</template>
+<script>
+
+export default {
+    props: {
+        /**
+         * Item is an object of { event: MXEvent, src: URL } 
+         */
+        item: {
+            type: Object,
+            default: function () {
+                return {}
+            }
+        },
+        previewOnly: {
+            type: Boolean,
+            default: function() {
+                return false;
+            }
+        },
+    },
+}
+</script>
+
+
+<style lang="scss">
+@import "@/assets/css/chat.scss";
+
+.thumbnail-item {
+    width: 100%;
+    height: 100%;
+    margin: 0;
+    padding: 0;
+}
+
+.file-item {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 0.6rem;
+    flex-direction: column;
+    padding: 20px;
+    .v-icon {
+        margin-bottom: 10px;
+        color: currentColor;
+    }
+}
+</style>
\ No newline at end of file
diff --git a/src/components/messages/MessageIncomingThread.vue b/src/components/messages/MessageIncomingThread.vue
index 1e3a788..fda6092 100644
--- a/src/components/messages/MessageIncomingThread.vue
+++ b/src/components/messages/MessageIncomingThread.vue
@@ -1,5 +1,5 @@
 <template>
-  <message-incoming v-bind="{ ...$props, ...$attrs }" v-on="$listeners">
+  <message-incoming v-bind="{ ...$props, ...$attrs }" v-on="$listeners" v-if="items.length > 1">
     <div class="bubble">
       <div class="original-message" v-if="inReplyToText">
         <div class="original-message-sender">
@@ -14,14 +14,10 @@
         <v-container fluid class="imageCollection">
           <v-row wrap>
             <v-col v-for="({ size, item }) in layoutedItems()" :key="item.event.getId()" :cols="size">
-              <v-img :aspect-ratio="16 / 9" :src="item.src" cover @click.stop="dialogSrc = item.src; dialog = true" />
+              <ThumbnailView :item="item" :previewOnly="true" v-on:itemclick="onItemClick($event)" /> 
             </v-col>
           </v-row>
         </v-container>
-        <div style="text-align: end">
-          <v-btn class="download-all-button" @click.stop="downloadAll">{{ $t("message.download_all") }}&nbsp;<v-icon
-              color="white">arrow_downward</v-icon></v-btn>
-        </div>
         <i v-if="event.isRedacted()" class="deleted-text">
           <v-icon :color="this.senderIsAdminOrModerator(this.event) ? 'white' : ''" size="small">block</v-icon>
           {{ $t('message.incoming_message_deleted_text') }}
@@ -32,26 +28,29 @@
         </span>
       </div>
     </div>
-    <v-dialog v-model="dialog" :width="$vuetify.breakpoint.smAndUp ? '940px' : '90%'">
-      <v-img style="background:white" :src="dialogSrc" />
-    </v-dialog>
+    <GalleryItemsView :originalEvent="originalEvent" :items="items" :initialItem="showItem" v-if="!!showItem" v-on:close="showItem = null" />
   </message-incoming>
+  <component v-else-if="items.length == 1" :is="componentFn(items[0].event)" 
+    :originalEvent="items[0].event"
+    v-bind="{...$props, ...$attrs}" v-on="$listeners"
+  />
 </template>
 
 <script>
 import MessageIncoming from "./MessageIncoming.vue";
 import messageMixin from "./messageMixin";
 import util from "../../plugins/utils";
+import GalleryItemsView from '../file_mode/GalleryItemsView.vue';
+import ThumbnailView from '../file_mode/ThumbnailView.vue';
 
 export default {
   extends: MessageIncoming,
-  components: { MessageIncoming },
+  components: { MessageIncoming, GalleryItemsView, ThumbnailView },
   mixins: [messageMixin],
   data() {
     return {
       items: [],
-      dialog: false,
-      dialogSrc: null,
+      showItem: null,
       thread: null,
     }
   },
@@ -80,6 +79,9 @@ export default {
     onAddRelation() {
       this.processThread();
     },
+    onItemClick(event) {
+      this.showItem = event.item;
+    },
     processThread() {
       this.items = this.timelineSet.relations.getAllChildEventsForEvent(this.event.getId()).map(e => {
         let ret = {
diff --git a/src/components/messages/MessageOutgoingThread.vue b/src/components/messages/MessageOutgoingThread.vue
index a193df7..4dba6db 100644
--- a/src/components/messages/MessageOutgoingThread.vue
+++ b/src/components/messages/MessageOutgoingThread.vue
@@ -1,5 +1,5 @@
 <template>
-  <message-outgoing v-bind="{ ...$props, ...$attrs }" v-on="$listeners">
+  <message-outgoing v-bind="{ ...$props, ...$attrs }" v-on="$listeners" v-if="items.length > 1">
     <div class="bubble">
       <div class="original-message" v-if="inReplyToText">
         <div class="original-message-sender">
@@ -12,14 +12,10 @@
         <v-container fluid class="imageCollection">
           <v-row wrap>
             <v-col v-for="({ size, item }) in layoutedItems()" :key="item.event.getId()" :cols="size">
-              <v-img :aspect-ratio="16 / 9" :src="item.src" cover @click.stop="dialogSrc = item.src; dialog = true" />
+              <ThumbnailView :item="item" :previewOnly="true" v-on:itemclick="onItemClick($event)" /> 
             </v-col>
           </v-row>
         </v-container>
-        <div style="text-align: end">
-          <v-btn class="download-all-button" @click.stop="downloadAll">{{ $t("message.download_all") }}&nbsp;<v-icon
-              color="white">arrow_downward</v-icon></v-btn>
-        </div>
         <i v-if="event.isRedacted()" class="deleted-text">
           <v-icon size="small">block</v-icon>
           {{ $t('message.outgoing_message_deleted_text') }}
@@ -30,23 +26,29 @@
         </span>
       </div>
     </div>
+    <GalleryItemsView :originalEvent="originalEvent" :items="items" :initialItem="showItem" v-if="!!showItem" v-on:close="showItem = null" />
   </message-outgoing>
+  <component v-else-if="items.length == 1" :is="componentFn(items[0].event)" 
+    :originalEvent="items[0].event"
+    v-bind="{...$props, ...$attrs}" v-on="$listeners"
+  />
 </template>
 
 <script>
 import MessageOutgoing from "./MessageOutgoing.vue";
 import messageMixin from "./messageMixin";
 import util from "../../plugins/utils";
+import GalleryItemsView from '../file_mode/GalleryItemsView.vue';
+import ThumbnailView from '../file_mode/ThumbnailView.vue';
 
 export default {
   extends: MessageOutgoing,
-  components: { MessageOutgoing },
+  components: { MessageOutgoing, GalleryItemsView, ThumbnailView },
   mixins: [messageMixin],
   data() {
     return {
       items: [],
-      dialog: false,
-      dialogSrc: null,
+      showItem: null,
       thread: null,
     }
   },
@@ -75,6 +77,9 @@ export default {
     onAddRelation() {
       this.processThread();
     },
+    onItemClick(event) {
+      this.showItem = event.item;
+    },
     processThread() {
       this.items = this.timelineSet.relations.getAllChildEventsForEvent(this.event.getId()).map(e => {
         let ret = {
@@ -123,9 +128,6 @@ export default {
       }
       return rows
     },
-    downloadAll() {
-      this.items.forEach(item => util.download(this.$matrix.matrixClient, item.event));
-    }
   }
 };
 </script>
@@ -151,5 +153,14 @@ export default {
   .col {
     padding: 2px;
   }
+  
+  .file-item {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 0.6rem;
+    flex-direction: column;
+    padding: 20px;
+  }
 }
 </style>
\ No newline at end of file
diff --git a/src/components/messages/messageMixin.js b/src/components/messages/messageMixin.js
index 1c22563..206006f 100644
--- a/src/components/messages/messageMixin.js
+++ b/src/components/messages/messageMixin.js
@@ -36,6 +36,12 @@ export default {
         return null;
       },
     },
+    componentFn: {
+      type: Function,
+      default: function () {
+        return () => {};
+      }
+    },
   },
   data() {
     return {