From 957f0d3b173a41e81485a1a48d9c422499f20cb0 Mon Sep 17 00:00:00 2001
From: Ayo Ayco <ramon.aycojr@gmail.com>
Date: Tue, 7 Nov 2023 10:57:44 +0100
Subject: [PATCH] feat: display embedded media player (#2417)

---
 components/status/StatusBody.vue          |   3 +-
 components/status/StatusContent.vue       |   7 +-
 components/status/StatusEmbeddedMedia.vue | 105 ++++++++++++++++++++++
 composables/content-parse.ts              |  19 ++++
 composables/content-render.ts             |   2 +-
 composables/settings/definition.ts        |   2 +
 locales/en.json                           |   3 +
 pages/settings/preferences/index.vue      |  10 +++
 8 files changed, 146 insertions(+), 5 deletions(-)
 create mode 100644 components/status/StatusEmbeddedMedia.vue

diff --git a/components/status/StatusBody.vue b/components/status/StatusBody.vue
index 1d797dee..951400ed 100644
--- a/components/status/StatusBody.vue
+++ b/components/status/StatusBody.vue
@@ -17,7 +17,7 @@ const emojisObject = useEmojisFallback(() => status.emojis)
 const vnode = $computed(() => {
   if (!status.content)
     return null
-  const vnode = contentToVNode(status.content, {
+  return contentToVNode(status.content, {
     emojis: emojisObject.value,
     mentions: 'mentions' in status ? status.mentions : undefined,
     markdown: true,
@@ -25,7 +25,6 @@ const vnode = $computed(() => {
     status: 'id' in status ? status : undefined,
     inReplyToStatus: newer,
   })
-  return vnode
 })
 </script>
 
diff --git a/components/status/StatusContent.vue b/components/status/StatusContent.vue
index 3ef2e3c5..0400207f 100644
--- a/components/status/StatusContent.vue
+++ b/components/status/StatusContent.vue
@@ -26,9 +26,11 @@ const hasSpoilerOrSensitiveMedia = $computed(() => spoilerTextPresent || (status
 const isSensitiveNonSpoiler = computed(() => status.sensitive && !status.spoilerText && !!status.mediaAttachments.length)
 const hideAllMedia = computed(
   () => {
-    return currentUser.value ? (getHideMediaByDefault(currentUser.value.account) && !!status.mediaAttachments.length) : false
+    return currentUser.value ? (getHideMediaByDefault(currentUser.value.account) && (!!status.mediaAttachments.length || !!status.card?.html)) : false
   },
 )
+const embeddedMediaPreference = $(usePreferences('experimentalEmbeddedMedia'))
+const allowEmbeddedMedia = $computed(() => status.card?.html && embeddedMediaPreference)
 </script>
 
 <template>
@@ -56,10 +58,11 @@ const hideAllMedia = computed(
         :is-preview="isPreview"
       />
       <StatusPreviewCard
-        v-if="status.card"
+        v-if="status.card && !allowEmbeddedMedia"
         :card="status.card"
         :small-picture-only="status.mediaAttachments?.length > 0"
       />
+      <StatusEmbeddedMedia v-if="allowEmbeddedMedia" :status="status" />
       <StatusCard
         v-if="status.reblog"
         :status="status.reblog" border="~ rounded"
diff --git a/components/status/StatusEmbeddedMedia.vue b/components/status/StatusEmbeddedMedia.vue
new file mode 100644
index 00000000..43c910dd
--- /dev/null
+++ b/components/status/StatusEmbeddedMedia.vue
@@ -0,0 +1,105 @@
+<script setup lang="ts">
+import type { mastodon } from 'masto'
+
+const { status } = defineProps<{
+  status: mastodon.v1.Status
+}>()
+
+const vnode = $computed(() => {
+  if (!status.card?.html)
+    return null
+  const node = sanitizeEmbeddedIframe(status.card?.html)?.children[0]
+  return node ? nodeToVNode(node) : null
+})
+const overlayToggle = ref(true)
+const card = ref(status.card)
+</script>
+
+<template>
+  <div v-if="card">
+    <div
+      v-if="overlayToggle"
+      h-80
+      cursor-pointer
+      relative
+    >
+      <div
+        p-3
+        absolute
+        w-full
+        h-full
+        z-100
+        rounded-lg
+        style="background: linear-gradient(black, rgba(0,0,0,0.5), transparent, transparent, rgba(0,0,0,0.20))"
+      >
+        <NuxtLink flex flex-col gap-1 hover:underline text-xs text-light font-light target="_blank" :href="card?.url">
+          <div flex gap-0.5>
+            <p flex-row line-clamp-1>
+              {{ card?.providerName }}<span v-if="card?.authorName"> • {{ card?.authorName }}</span>
+            </p>
+            <span
+              flex-row
+              w-4 h-4
+              pointer-events-none
+              i-ri:arrow-right-up-line
+            />
+          </div>
+          <p font-bold line-clamp-1 text-size-base>
+            {{ card?.title }}
+          </p>
+          <p line-clamp-1>
+            {{ $t('status.embedded_warning') }}
+          </p>
+        </NuxtLink>
+        <div
+          flex
+          h-50
+          mt-1
+          justify-center
+          flex-items-center
+        >
+          <button
+            absolute
+            bg-primary
+            opacity-85
+            rounded-full
+            hover:bg-primary-active
+            hover:opacity-95
+            transition-all
+            box-shadow-outline
+            @click.stop.prevent="() => overlayToggle = !overlayToggle"
+          >
+            <span
+              text-light
+              flex flex-col
+              gap-3
+              w-27 h-27
+              pointer-events-none
+              i-ri:play-circle-line
+            />
+          </button>
+        </div>
+      </div>
+      <CommonBlurhash
+        v-if="card?.image"
+        :blurhash="card.blurhash"
+        :src="card.image"
+        w-full
+        h-full
+        object-cover
+        rounded-lg
+      />
+    </div>
+    <div v-else>
+      <!-- this inserts the iframe -->
+      <component :is="vnode" v-if="vnode" rounded-lg h-80 />
+    </div>
+  </div>
+</template>
+
+<style>
+iframe {
+    width: 100%;
+    height: 100%;
+}
+</style>
diff --git a/composables/content-parse.ts b/composables/content-parse.ts
index d345940a..722e024f 100644
--- a/composables/content-parse.ts
+++ b/composables/content-parse.ts
@@ -150,6 +150,25 @@ export function convertMastodonHTML(html: string, customEmojis: Record<string, m
   return render(tree)
 }
 
+export function sanitizeEmbeddedIframe(html: string): Node {
+  const transforms: Transform[] = [
+    sanitize({
+      iframe: {
+        src: (src) => {
+          if (typeof src !== 'string')
+            return undefined
+
+          const url = new URL(src)
+          return url.protocol === 'https:' ? src : undefined
+        },
+        allowfullscreen: set('true'),
+      },
+    }),
+  ]
+
+  return transformSync(parse(html), transforms)
+}
+
 export function htmlToText(html: string) {
   try {
     const tree = parse(html)
diff --git a/composables/content-render.ts b/composables/content-render.ts
index 44d654dc..d0302031 100644
--- a/composables/content-render.ts
+++ b/composables/content-render.ts
@@ -36,7 +36,7 @@ export function contentToVNode(
   return h(Fragment, (tree.children as Node[] || []).map(n => treeToVNode(n)))
 }
 
-function nodeToVNode(node: Node): VNode | string | null {
+export function nodeToVNode(node: Node): VNode | string | null {
   if (node.type === TEXT_NODE)
     return node.value
 
diff --git a/composables/settings/definition.ts b/composables/settings/definition.ts
index 9f47e14d..c9189109 100644
--- a/composables/settings/definition.ts
+++ b/composables/settings/definition.ts
@@ -26,6 +26,7 @@ export interface PreferencesSettings {
   experimentalVirtualScroller: boolean
   experimentalGitHubCards: boolean
   experimentalUserPicker: boolean
+  experimentalEmbeddedMedia: boolean
 }
 
 export interface UserSettings {
@@ -78,6 +79,7 @@ export const DEFAULT__PREFERENCES_SETTINGS: PreferencesSettings = {
   experimentalVirtualScroller: true,
   experimentalGitHubCards: true,
   experimentalUserPicker: true,
+  experimentalEmbeddedMedia: false,
 }
 
 export function getDefaultUserSettings(locales: string[]): UserSettings {
diff --git a/locales/en.json b/locales/en.json
index b8f94140..0677ef40 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -500,6 +500,8 @@
     },
     "notifications_settings": "Notifications",
     "preferences": {
+      "embedded_media": "Embedded Media Player",
+      "embedded_media_description": "Display an embedded player instead of the normal preview card when expanding shared media streaming links.",
       "enable_autoplay": "Enable Autoplay",
       "enable_data_saving": "Enable data saving",
       "enable_data_saving_description": "Save data by preventing attachments from automatically loading.",
@@ -577,6 +579,7 @@
     },
     "boosted_by": "Boosted By",
     "edited": "Edited {0}",
+    "embedded_warning": "Playing this may reveal your IP address to others.",
     "favourited_by": "Favorited By",
     "filter_hidden_phrase": "Filtered by",
     "filter_show_anyway": "Show anyway",
diff --git a/pages/settings/preferences/index.vue b/pages/settings/preferences/index.vue
index a9b14c9e..e7457149 100644
--- a/pages/settings/preferences/index.vue
+++ b/pages/settings/preferences/index.vue
@@ -117,6 +117,16 @@ const userSettings = useUserSettings()
       <div i-ri-flask-line />
       {{ $t('settings.preferences.title') }}
     </h2>
+    <!-- Embedded Media -->
+    <SettingsToggleItem
+      :checked="getPreferences(userSettings, 'experimentalEmbeddedMedia')"
+      @click="togglePreferences('experimentalEmbeddedMedia')"
+    >
+      {{ $t('settings.preferences.embedded_media') }}
+      <template #description>
+        {{ $t('settings.preferences.embedded_media_description') }}
+      </template>
+    </SettingsToggleItem>
     <SettingsToggleItem
       :checked="getPreferences(userSettings, 'experimentalVirtualScroller')"
       @click="togglePreferences('experimentalVirtualScroller')"