feat(editor): scale video embeddables based on zoom (#11251)

packages/excalidraw/components/App.tsx

@@ -603,6 +603,8 @@ const YOUTUBE_VIDEO_STATES = new Map<
   ValueOf<typeof YOUTUBE_STATES>
 >();
 
+const MAX_EMBEDDABLE_VIEWPORT_SCALE = 4;
+
 let IS_PLAIN_PASTE = false;
 let IS_PLAIN_PASTE_TIMER = 0;
 let PLAIN_PASTE_TOAST_SHOWN = false;
@@ -1735,6 +1737,18 @@ class App extends React.Component<AppProps, AppState> {
             this.state.activeEmbeddable?.element === el &&
             this.state.activeEmbeddable?.state === "hover";
 
+          // scale video embeds based on zoom (capped) so that smaller embeds
+          // on canvas when zoomed are still of legible quality
+          // (note: for some embed types like gdrive, the quality is poor when
+          // scaling mid playback and works only when you initially start the
+          // playback at the higher zoom level)
+          const shouldScaleEmbeddableViewport = src?.type === "video";
+          const embeddableViewportScale = clamp(
+            shouldScaleEmbeddableViewport ? scale : 1,
+            0.75,
+            MAX_EMBEDDABLE_VIEWPORT_SCALE,
+          );
+
           return (
             <div
               key={el.id}
@@ -1801,31 +1815,42 @@ class App extends React.Component<AppProps, AppState> {
                     padding: `${el.strokeWidth}px`,
                   }}
                 >
-                  {(isEmbeddableElement(el)
-                    ? this.props.renderEmbeddable?.(el, this.state)
-                    : null) ?? (
-                    <iframe
-                      ref={(ref) => this.cacheEmbeddableRef(el, ref)}
-                      className="excalidraw__embeddable"
-                      srcDoc={
-                        src?.type === "document"
-                          ? src.srcdoc(this.state.theme)
-                          : undefined
-                      }
-                      src={
-                        src?.type !== "document" ? src?.link ?? "" : undefined
-                      }
-                      // https://stackoverflow.com/q/18470015
-                      scrolling="no"
-                      referrerPolicy="no-referrer-when-downgrade"
-                      title="Excalidraw Embedded Content"
-                      allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
-                      allowFullScreen={true}
-                      sandbox={`${
-                        src?.sandbox?.allowSameOrigin ? "allow-same-origin" : ""
-                      } allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation allow-downloads`}
-                    />
-                  )}
+                  <div
+                    className="excalidraw__embeddable__content"
+                    style={{
+                      width: `${embeddableViewportScale * 100}%`,
+                      height: `${embeddableViewportScale * 100}%`,
+                      transform: `scale(${1 / embeddableViewportScale})`,
+                    }}
+                  >
+                    {(isEmbeddableElement(el)
+                      ? this.props.renderEmbeddable?.(el, this.state)
+                      : null) ?? (
+                      <iframe
+                        ref={(ref) => this.cacheEmbeddableRef(el, ref)}
+                        className="excalidraw__embeddable"
+                        srcDoc={
+                          src?.type === "document"
+                            ? src.srcdoc(this.state.theme)
+                            : undefined
+                        }
+                        src={
+                          src?.type !== "document" ? src?.link ?? "" : undefined
+                        }
+                        // https://stackoverflow.com/q/18470015
+                        scrolling="no"
+                        referrerPolicy="no-referrer-when-downgrade"
+                        title="Excalidraw Embedded Content"
+                        allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+                        allowFullScreen={true}
+                        sandbox={`${
+                          src?.sandbox?.allowSameOrigin
+                            ? "allow-same-origin"
+                            : ""
+                        } allow-scripts allow-forms allow-popups allow-popups-to-escape-sandbox allow-presentation allow-downloads`}
+                      />
+                    )}
+                  </div>
                 </div>
               </div>
             </div>

packages/excalidraw/css/styles.scss

@@ -814,6 +814,14 @@ body.excalidraw-cursor-resize * {
   .excalidraw__embeddable__outer {
     width: 100%;
     height: 100%;
+  }
+
+  .excalidraw__embeddable__content {
+    width: 100%;
+    height: 100%;
+    transform-origin: top left;
+
+    &,
     & > * {
       border-radius: var(--embeddable-radius);
     }