timeline: play livephoto on hover

src/App.vue

@@ -356,4 +356,38 @@ aside.app-sidebar {
   height: 100%;
   display: block;
 }
+
+:root {
+  --livephoto-img-transition: opacity 0.5s linear, transform 0.4s ease-in-out;
+}
+
+// Live photo transitions
+.memories-livephoto {
+  position: relative;
+  overflow: hidden;
+  contain: strict;
+
+  img,
+  video {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    display: block;
+    transition: var(--livephoto-img-transition);
+  }
+
+  video,
+  &.playing.canplay img {
+    opacity: 0;
+  }
+  img,
+  &.playing.canplay video {
+    opacity: 1;
+  }
+  &.playing.canplay img {
+    transform: scale(1.07);
+  }
+}
 </style>

src/components/PsLivePhoto.ts

@@ -1,5 +1,5 @@
 import PhotoSwipe from "photoswipe";
-import { generateUrl } from "@nextcloud/router";
+import * as utils from "../services/Utils";
 
 function isLiveContent(content): boolean {
   return Boolean(content?.data?.photo?.liveid);
@@ -29,25 +29,16 @@ class LivePhotoContentSetup {
     const video = document.createElement("video");
     video.muted = true;
     video.autoplay = false;
+    video.playsInline = true;
     video.preload = "none";
-    video.src = generateUrl(
+    video.src = utils.getLivePhotoVideoUrl(photo);
-      `/apps/memories/api/video/livephoto/${photo.fileid}?etag=${photo.etag}&liveid=${photo.liveid}`
-    );
 
     const div = document.createElement("div");
-    div.className = "livephoto";
+    div.className = "memories-livephoto";
     div.appendChild(video);
     content.element = div;
 
-    video.onplay = () => {
+    utils.setupLivePhotoHooks(video);
-      div.classList.add("playing");
-    };
-    video.oncanplay = () => {
-      div.classList.add("canplay");
-    };
-    video.onended = video.onpause = () => {
-      div.classList.remove("playing");
-    };
 
     const img = document.createElement("img");
     img.src = content.data.src;
@@ -59,17 +50,17 @@ class LivePhotoContentSetup {
 
   onContentActivate({ content }) {
     if (isLiveContent(content) && content.element) {
-      content.element.querySelector("video")?.play();
+      const video = content.element.querySelector("video");
+      if (video) {
+        video.currentTime = 0;
+        video.play();
+      }
     }
   }
 
   onContentDeactivate({ content }) {
     if (isLiveContent(content) && content.element) {
-      const vid = content.element.querySelector("video");
+      content.element.querySelector("video")?.pause();
-      if (vid) {
-        vid.pause();
-        vid.currentTime = 0;
-      }
     }
   }
 

src/components/Viewer.vue

@@ -904,35 +904,6 @@ export default class Viewer extends Mixins(GlobalMixin) {
   .pswp__top-bar {
     background: linear-gradient(0deg, transparent, rgba(0, 0, 0, 0.3));
   }
-
-  .livephoto {
-    position: relative;
-    overflow: hidden;
-    contain: strict;
-
-    img,
-    video {
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 100%;
-      height: 100%;
-      display: block;
-      transition: opacity 0.5s ease-in-out, transform 0.4s ease-in-out;
-    }
-
-    video,
-    &.playing.canplay img {
-      opacity: 0;
-    }
-    img,
-    &.playing.canplay video {
-      opacity: 1;
-    }
-    &.playing.canplay img {
-      transform: scale(1.07);
-    }
-  }
 }
 
 :deep .video-js .vjs-big-play-button {

src/components/frame/Photo.vue

@@ -22,7 +22,11 @@
       <Video :size="22" />
     </div>
 
-    <div class="livephoto">
+    <div
+      class="livephoto"
+      @mouseenter.passive="playVideo"
+      @mouseleave.passive="stopVideo"
+    >
       <LivePhoto :size="22" v-if="data.liveid" />
     </div>
 
@@ -30,6 +34,9 @@
 
     <div
       class="img-outer fill-block"
+      :class="{
+        'memories-livephoto': data.liveid,
+      }"
       @contextmenu="contextmenu"
       @pointerdown.passive="$emit('pointerdown', $event)"
       @touchstart.passive="$emit('touchstart', $event)"
@@ -46,7 +53,16 @@
         @load="load"
         @error="error"
       />
-      <div class="overlay" />
+      <video
+        ref="video"
+        v-if="videoUrl"
+        :src="videoUrl"
+        preload="none"
+        muted
+        playsinline
+        loop
+      />
+      <div class="overlay fill-block" />
     </div>
   </div>
 </template>
@@ -101,6 +117,12 @@ export default class Photo extends Mixins(GlobalMixin) {
   mounted() {
     this.hasFaceRect = false;
     this.refresh();
+
+    // Setup video hooks
+    const video = this.$refs.video as HTMLVideoElement;
+    if (video) {
+      utils.setupLivePhotoHooks(video);
+    }
   }
 
   get videoDuration() {
@@ -110,6 +132,12 @@ export default class Photo extends Mixins(GlobalMixin) {
     return null;
   }
 
+  get videoUrl() {
+    if (this.data.liveid) {
+      return utils.getLivePhotoVideoUrl(this.data);
+    }
+  }
+
   async refresh() {
     this.src = await this.getSrc();
   }
@@ -210,6 +238,23 @@ export default class Photo extends Mixins(GlobalMixin) {
       e.stopPropagation();
     }
   }
+
+  /** Start preview video */
+  playVideo() {
+    if (this.$refs.video) {
+      const video = this.$refs.video as HTMLVideoElement;
+      video.currentTime = 0;
+      video.play();
+    }
+  }
+
+  /** Stop preview video */
+  stopVideo() {
+    if (this.$refs.video) {
+      const video = this.$refs.video as HTMLVideoElement;
+      video.pause();
+    }
+  }
 }
 </script>
 
@@ -306,6 +351,9 @@ $icon-size: $icon-half-size * 2;
     margin-right: 3px;
   }
 }
+.livephoto {
+  pointer-events: auto;
+}
 .star-icon {
   bottom: var(--icon-dist);
   left: var(--icon-dist);
@@ -316,6 +364,7 @@ $icon-size: $icon-half-size * 2;
 
 /* Actual image */
 div.img-outer {
+  position: relative;
   box-sizing: border-box;
   padding: 0;
 
@@ -339,7 +388,7 @@ div.img-outer {
     -webkit-tap-highlight-color: transparent;
     -webkit-touch-callout: none;
     user-select: none;
-    transition: border-radius 0.1s ease-in;
+    transition: border-radius 0.1s ease-in, var(--livephoto-img-transition);
 
     .p-outer.placeholder > & {
       display: none;
@@ -349,11 +398,12 @@ div.img-outer {
     }
   }
 
-  & > .overlay {
+  > video,
+  > .overlay {
     pointer-events: none;
-    width: 100%;
+  }
-    height: 100%;
+
-    transform: translateY(-100%); // very weird stuff
+  > .overlay {
     background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, transparent 30%);
 
     display: none;

src/services/Utils.ts

@@ -1,5 +1,6 @@
 import { getCanonicalLocale } from "@nextcloud/l10n";
 import { getCurrentUser } from "@nextcloud/auth";
+import { generateUrl } from "@nextcloud/router";
 import { loadState } from "@nextcloud/initial-state";
 import { IPhoto } from "../types";
 import moment from "moment";
@@ -236,6 +237,32 @@ export function getFolderRoutePath(basePath: string) {
   return path;
 }
 
+/**
+ * Get URL to live photo video part
+ */
+export function getLivePhotoVideoUrl(p: IPhoto) {
+  return generateUrl(
+    `/apps/memories/api/video/livephoto/${p.fileid}?etag=${p.etag}&liveid=${p.liveid}`
+  );
+}
+
+/**
+ * Set up hooks to set classes on parent element for live photo
+ * @param video Video element
+ */
+export function setupLivePhotoHooks(video: HTMLVideoElement) {
+  const div = video.closest(".memories-livephoto") as HTMLDivElement;
+  video.onplay = () => {
+    div.classList.add("playing");
+  };
+  video.oncanplay = () => {
+    div.classList.add("canplay");
+  };
+  video.onended = video.onpause = () => {
+    div.classList.remove("playing");
+  };
+}
+
 /**
  * Get route hash for viewer for photo
  */