add more info for claim-preview-tile aria label

static/app-strings.json

@@ -2054,5 +2054,7 @@
   "Item removed from Watch Later": "Item removed from Watch Later",
   "Skip Navigation": "Skip Navigation",
   "In Favorites": "In Favorites",
+  "%title% by %channelTitle%, %mediaDuration%": "%title% by %channelTitle%, %mediaDuration%",
+  "%title% by %channelTitle%": "%title% by %channelTitle%",
   "--end--": "--end--"
 }

ui/component/claimPreviewTile/index.js

@@ -14,9 +14,16 @@ import { selectMutedChannels } from 'redux/selectors/blocked';
 import { selectBlackListedOutpoints, selectFilteredOutpoints } from 'lbryinc';
 import { selectShowMatureContent } from 'redux/selectors/settings';
 import ClaimPreviewTile from './view';
+import formatMediaDuration from 'util/formatMediaDuration';
 
-const select = (state, props) => ({
-  claim: props.uri && makeSelectClaimForUri(props.uri)(state),
+const select = (state, props) => {
+  const claim = props.uri && makeSelectClaimForUri(props.uri)(state);
+  const media = claim && claim.value && (claim.value.video || claim.value.audio);
+  const mediaDuration = media && media.duration && formatMediaDuration(media.duration, { screenReader: true });
+
+  return {
+    claim,
+    mediaDuration,
     channel: props.uri && makeSelectChannelForClaimUri(props.uri)(state),
     isResolvingUri: props.uri && makeSelectIsUriResolving(props.uri)(state),
     thumbnail: props.uri && makeSelectThumbnailForUri(props.uri)(state),
@@ -27,7 +34,8 @@ const select = (state, props) => ({
     showMature: selectShowMatureContent(state),
     isMature: makeSelectClaimIsNsfw(props.uri)(state),
     isLivestream: makeSelectClaimIsStreamPlaceholder(props.uri)(state),
-});
+  };
+};
 
 const perform = (dispatch) => ({
   resolveUri: (uri) => dispatch(doResolveUri(uri)),

ui/component/claimPreviewTile/view.jsx

@@ -21,6 +21,7 @@ import CollectionPreviewOverlay from 'component/collectionPreviewOverlay';
 type Props = {
   uri: string,
   claim: ?Claim,
+  mediaDuration?: string,
   resolveUri: (string) => void,
   isResolvingUri: boolean,
   history: { push: (string) => void },
@@ -72,6 +73,7 @@ function ClaimPreviewTile(props: Props) {
     showNoSourceClaims,
     isLivestream,
     collectionId,
+    mediaDuration,
   } = props;
   const isRepost = claim && claim.repost_channel_url;
   const isCollection = claim && claim.value_type === 'collection';
@@ -114,6 +116,18 @@ function ClaimPreviewTile(props: Props) {
 
   const signingChannel = claim && claim.signing_channel;
   const channelUri = !isChannel ? signingChannel && signingChannel.permanent_url : claim && claim.permanent_url;
+  const channelTitle = signingChannel && (signingChannel.value.title || signingChannel.name);
+
+  // Aria-label value for claim preview
+  let ariaLabelData = title;
+
+  if (!isChannel && channelTitle) {
+    if (mediaDuration) {
+      ariaLabelData = __('%title% by %channelTitle%, %mediaDuration%', { title, channelTitle, mediaDuration });
+    } else {
+      ariaLabelData = __('%title% by %channelTitle%', { title, channelTitle });
+    }
+  }
 
   function handleClick(e) {
     if (navigateUrl) {
@@ -226,7 +240,7 @@ function ClaimPreviewTile(props: Props) {
         </FileThumbnail>
       </NavLink>
       <div className="claim-tile__header">
-        <NavLink {...navLinkProps}>
+        <NavLink aria-label={ariaLabelData} {...navLinkProps}>
           <h2 className="claim-tile__title">
             <TruncatedText text={title || (claim && claim.name)} lines={isChannel ? 1 : 2} />
             {isChannel && (

ui/component/videoDuration/view.jsx

@@ -1,6 +1,6 @@
 // @flow
 import React from 'react';
-
+import formatMediaDuration from 'util/formatMediaDuration';
 type Props = {
   claim: ?StreamClaim,
   className?: string,
@@ -9,19 +9,11 @@ type Props = {
 function VideoDuration(props: Props) {
   const { claim, className } = props;
 
-  const video = claim && claim.value && (claim.value.video || claim.value.audio);
+  const media = claim && claim.value && (claim.value.video || claim.value.audio);
   let duration;
-  if (video && video.duration) {
+  if (media && media.duration) {
     // $FlowFixMe
-    let date = new Date(null);
-    date.setSeconds(video.duration);
-    let timeString = date.toISOString().substr(11, 8);
-
-    if (timeString.startsWith('00:')) {
-      timeString = timeString.substr(3);
-    }
-
-    duration = timeString;
+    duration = formatMediaDuration(media.duration);
   }
 
   return duration ? <span className={className}>{duration}</span> : null;

ui/util/formatMediaDuration.js

@@ -0,0 +1,24 @@
+import moment from 'moment';
+
+export default function formatMediaDuration(duration = 0, config) {
+  const options = {
+    screenReader: false,
+    ...config,
+  };
+
+  // Optimize for screen readers
+  if (options.screenReader) {
+    return moment.utc(moment.duration(duration, 'seconds').asMilliseconds()).format('HH:mm:ss');
+  }
+
+  // Normal format
+  let date = new Date(null);
+  date.setSeconds(duration);
+
+  let timeString = date.toISOString().substr(11, 8);
+  if (timeString.startsWith('00:')) {
+    timeString = timeString.substr(3);
+  }
+
+  return timeString;
+}