diff --git a/web/media/multimedia-modal.react.js b/web/media/multimedia-modal.react.js
--- a/web/media/multimedia-modal.react.js
+++ b/web/media/multimedia-modal.react.js
@@ -1,13 +1,18 @@
 // @flow
 
+import invariant from 'invariant';
 import * as React from 'react';
 
+import { fetchableMediaURI } from 'lib/media/media-utils.js';
 import type {
   EncryptedMediaType,
   MediaType,
   Dimensions,
 } from 'lib/types/media-types.js';
 
+import EncryptedMultimedia from './encrypted-multimedia.react.js';
+import LoadableVideo from './loadable-video.react.js';
+import { usePlaceholder } from './media-utils.js';
 import FullScreenViewModal from '../modals/full-screen-view-modal.react.js';
 
 type MediaInfo =
@@ -33,7 +38,108 @@
 };
 
 function MultimediaModal(props: Props): React.Node {
-  return <FullScreenViewModal {...props} />;
+  const { media } = props;
+
+  const thumbHashEncryptionKey =
+    media.thumbnailEncryptionKey ?? media.encryptionKey;
+
+  const placeholderImage = usePlaceholder(
+    media.thumbHash,
+    thumbHashEncryptionKey,
+  );
+
+  const [dimensions, setDimensions] = React.useState<?Dimensions>(null);
+
+  const photo = React.useMemo(() => {
+    if (media.type !== 'photo') {
+      return null;
+    }
+    const uri = fetchableMediaURI(media.uri);
+    const style = {
+      backgroundImage: placeholderImage
+        ? `url(${placeholderImage})`
+        : undefined,
+    };
+
+    return <img src={uri} style={style} />;
+  }, [media.type, media.uri, placeholderImage]);
+
+  const video = React.useMemo(() => {
+    if (media.type !== 'video') {
+      return null;
+    }
+
+    const uri = fetchableMediaURI(media.uri);
+
+    const { thumbnailURI } = media;
+    invariant(thumbnailURI, 'video missing thumbnail');
+
+    return (
+      <LoadableVideo
+        uri={uri}
+        thumbnailSource={{ thumbnailURI }}
+        thumbHashDataURL={placeholderImage}
+      />
+    );
+  }, [media, placeholderImage]);
+
+  const encryptedMultimedia = React.useMemo(() => {
+    if (media.type !== 'encrypted_photo' && media.type !== 'encrypted_video') {
+      return null;
+    }
+
+    const {
+      type,
+      blobURI,
+      encryptionKey,
+      thumbnailBlobURI,
+      thumbnailEncryptionKey,
+    } = media;
+
+    const contentDimensions = dimensions ?? media.dimensions;
+    const elementStyle = contentDimensions
+      ? {
+          width: `${contentDimensions.width}px`,
+          height: `${contentDimensions.height}px`,
+        }
+      : undefined;
+
+    return (
+      <EncryptedMultimedia
+        type={type}
+        blobURI={blobURI}
+        encryptionKey={encryptionKey}
+        thumbnailBlobURI={thumbnailBlobURI}
+        thumbnailEncryptionKey={thumbnailEncryptionKey}
+        placeholderSrc={placeholderImage}
+        elementStyle={elementStyle}
+      />
+    );
+  }, [dimensions, media, placeholderImage]);
+
+  const mediaModalItem = React.useMemo(() => {
+    if (media.type === 'photo') {
+      return photo;
+    } else if (media.type === 'video') {
+      return video;
+    } else {
+      return encryptedMultimedia;
+    }
+  }, [encryptedMultimedia, media.type, photo, video]);
+
+  const multimediaModal = React.useMemo(
+    () => (
+      <FullScreenViewModal
+        contentDimensions={dimensions}
+        setContentDimensions={setDimensions}
+      >
+        {mediaModalItem}
+      </FullScreenViewModal>
+    ),
+    [dimensions, mediaModalItem],
+  );
+
+  return multimediaModal;
 }
 
 export default MultimediaModal;
diff --git a/web/modals/full-screen-view-modal.css b/web/modals/full-screen-view-modal.css
--- a/web/modals/full-screen-view-modal.css
+++ b/web/modals/full-screen-view-modal.css
@@ -1,4 +1,4 @@
-div.multimediaModalOverlay .loadingIndicator {
+div.fullScreenModalOverlay .loadingIndicator {
   position: absolute;
   top: 0;
   bottom: 0;
@@ -9,7 +9,7 @@
   height: 25px;
 }
 
-div.multimediaModalOverlay {
+div.fullScreenModalOverlay {
   position: fixed;
   left: 0;
   top: 0;
@@ -24,18 +24,21 @@
   justify-content: center;
   -webkit-app-region: no-drag;
 }
-div.multimediaModalOverlay > .mediaContainer {
+
+div.fullScreenModalOverlay > .contentContainer {
   display: flex;
   justify-content: center;
   align-items: center;
   width: 100%;
   height: 100%;
 }
-div.multimediaModalOverlay > .mediaContainer:focus {
+
+div.fullScreenModalOverlay > .contentContainer:focus {
   outline: none;
 }
-div.mediaContainer > img,
-div.mediaContainer > video {
+
+div.contentContainer > img,
+div.contentContainer > video {
   width: auto;
   height: auto;
   max-width: 100%;
@@ -46,7 +49,8 @@
   background-size: cover;
   background-repeat: no-repeat;
 }
-svg.closeMultimediaModal {
+
+svg.closeFullScreenModal {
   position: absolute;
   cursor: pointer;
   top: 15px;
diff --git a/web/modals/full-screen-view-modal.react.js b/web/modals/full-screen-view-modal.react.js
--- a/web/modals/full-screen-view-modal.react.js
+++ b/web/modals/full-screen-view-modal.react.js
@@ -5,58 +5,25 @@
 import { XCircle as XCircleIcon } from 'react-feather';
 
 import { useModalContext } from 'lib/components/modal-provider.react.js';
-import { fetchableMediaURI } from 'lib/media/media-utils.js';
-import type {
-  EncryptedMediaType,
-  MediaType,
-  Dimensions,
-} from 'lib/types/media-types.js';
+import type { SetState } from 'lib/types/hook-types.js';
+import type { Dimensions } from 'lib/types/media-types.js';
 
 import css from './full-screen-view-modal.css';
-import EncryptedMultimedia from '../media/encrypted-multimedia.react.js';
-import LoadableVideo from '../media/loadable-video.react.js';
-import { usePlaceholder } from '../media/media-utils.js';
-
-type MediaInfo =
-  | {
-      +type: MediaType,
-      +uri: string,
-      +dimensions: ?Dimensions,
-      +thumbHash: ?string,
-      +thumbnailURI: ?string,
-    }
-  | {
-      +type: EncryptedMediaType,
-      +blobURI: string,
-      +encryptionKey: string,
-      +dimensions: ?Dimensions,
-      +thumbHash: ?string,
-      +thumbnailBlobURI: ?string,
-      +thumbnailEncryptionKey: ?string,
-    };
 
 type BaseProps = {
-  +media: MediaInfo,
+  +children: React.Node,
+  +contentDimensions: ?Dimensions,
+  +setContentDimensions: SetState<?Dimensions>,
 };
 
 type Props = {
   ...BaseProps,
   +popModal: (modal: ?React.Node) => void,
-  +placeholderImage: ?string,
-};
-
-type State = {
-  +dimensions: ?Dimensions,
 };
 
-class MultimediaModal extends React.PureComponent<Props, State> {
+class FullScreenViewModal extends React.PureComponent<Props> {
   overlay: ?HTMLDivElement;
 
-  constructor(props: Props) {
-    super(props);
-    this.state = { dimensions: null };
-  }
-
   componentDidMount() {
     invariant(this.overlay, 'overlay ref unset');
     this.overlay.focus();
@@ -69,75 +36,22 @@
   }
 
   render(): React.Node {
-    let mediaModalItem;
-    const { media, placeholderImage } = this.props;
-    const style = {
-      backgroundImage: placeholderImage
-        ? `url(${placeholderImage})`
-        : undefined,
-    };
-    if (media.type === 'photo') {
-      const uri = fetchableMediaURI(media.uri);
-      mediaModalItem = <img src={uri} style={style} />;
-    } else if (media.type === 'video') {
-      const uri = fetchableMediaURI(media.uri);
-      const { thumbnailURI } = media;
-      invariant(thumbnailURI, 'video missing thumbnail');
-      mediaModalItem = (
-        <LoadableVideo
-          uri={uri}
-          thumbnailSource={{ thumbnailURI }}
-          thumbHashDataURL={placeholderImage}
-        />
-      );
-    } else {
-      invariant(
-        media.type === 'encrypted_photo' || media.type === 'encrypted_video',
-        'invalid media type',
-      );
-      const {
-        type,
-        blobURI,
-        encryptionKey,
-        thumbnailBlobURI,
-        thumbnailEncryptionKey,
-      } = media;
-      const dimensions = this.state.dimensions ?? media.dimensions;
-      const elementStyle = dimensions
-        ? {
-            width: `${dimensions.width}px`,
-            height: `${dimensions.height}px`,
-          }
-        : undefined;
-      mediaModalItem = (
-        <EncryptedMultimedia
-          type={type}
-          blobURI={blobURI}
-          encryptionKey={encryptionKey}
-          thumbnailBlobURI={thumbnailBlobURI}
-          thumbnailEncryptionKey={thumbnailEncryptionKey}
-          placeholderSrc={placeholderImage}
-          elementStyle={elementStyle}
-        />
-      );
-    }
-
     return (
       <div
-        className={css.multimediaModalOverlay}
+        className={css.fullScreenModalOverlay}
         onClick={this.onBackgroundClick}
       >
         <div
           ref={this.overlayRef}
-          className={css.mediaContainer}
+          className={css.contentContainer}
           tabIndex={0}
           onKeyDown={this.onKeyDown}
         >
-          {mediaModalItem}
+          {this.props.children}
         </div>
         <XCircleIcon
           onClick={this.props.popModal}
-          className={css.closeMultimediaModal}
+          className={css.closeFullScreenModal}
         />
       </div>
     );
@@ -162,7 +76,7 @@
     };
 
   calculateMediaDimensions: () => void = () => {
-    if (!this.overlay || !this.props.media.dimensions) {
+    if (!this.overlay || !this.props.contentDimensions) {
       return;
     }
     const containerWidth = this.overlay.clientWidth;
@@ -170,7 +84,7 @@
     const containerAspectRatio = containerWidth / containerHeight;
 
     const { width: mediaWidth, height: mediaHeight } =
-      this.props.media.dimensions;
+      this.props.contentDimensions;
     const mediaAspectRatio = mediaWidth / mediaHeight;
 
     let newWidth, newHeight;
@@ -181,28 +95,22 @@
       newHeight = Math.min(mediaHeight, containerWidth / mediaAspectRatio);
       newWidth = newHeight * mediaAspectRatio;
     }
-    this.setState({
-      dimensions: {
-        width: newWidth,
-        height: newHeight,
-      },
+    this.props.setContentDimensions({
+      width: newWidth,
+      height: newHeight,
     });
   };
 }
 
-function ConnectedMultiMediaModal(props: BaseProps): React.Node {
+function ConnectedFullScreenViewModal(props: BaseProps): React.Node {
   const modalContext = useModalContext();
-  const { thumbHash, encryptionKey, thumbnailEncryptionKey } = props.media;
-  const thumbHashEncryptionKey = thumbnailEncryptionKey ?? encryptionKey;
-  const placeholderImage = usePlaceholder(thumbHash, thumbHashEncryptionKey);
-
-  return (
-    <MultimediaModal
-      {...props}
-      popModal={modalContext.popModal}
-      placeholderImage={placeholderImage}
-    />
+
+  const fullScreenViewModal = React.useMemo(
+    () => <FullScreenViewModal {...props} popModal={modalContext.popModal} />,
+    [modalContext.popModal, props],
   );
+
+  return fullScreenViewModal;
 }
 
-export default ConnectedMultiMediaModal;
+export default ConnectedFullScreenViewModal;