wip/ref webview: Show spinner for thumbnail placeholders

TODO update as needed for merged web version TODO test, manually This is a port of zulip/zulip 30477.
gnprice · Jul 16, 2024 · c2249ee · c2249ee
1 parent 2ae8d8e
commit c2249ee
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diff --git a/src/webview/css/cssNight.js b/src/webview/css/cssNight.js
@@ -17,4 +17,7 @@ body {
 .highlight {
   background-color: hsla(51, 100%, 64%, 0.42);
 }
+.message_inline_image img.image-loading-placeholder {
+  content: url("images/loader-white.svg");
+}
 `;
diff --git a/src/webview/static/base.css b/src/webview/static/base.css
@@ -552,6 +552,9 @@ time {
   height: 160px;
   object-fit: contain;
 }
+.message_inline_image img.image-loading-placeholder {
+  content: url("images/loader-black.svg");
+}
 
 .message_inline_video {
   position: relative;

diff --git a/src/webview/static/images/loader-black.svg b/src/webview/static/images/loader-black.svg
diff --git a/src/webview/static/images/loader-white.svg b/src/webview/static/images/loader-white.svg