position tracking clean up

src/renderer/component/fileViewer/index.js

@@ -29,7 +29,7 @@ const select = (state, props) => ({
   playingUri: selectPlayingUri(state),
   contentType: makeSelectContentTypeForUri(props.uri)(state),
   volume: selectVolume(state),
-  playbackPosition: makeSelectContentPositionForUri(props.uri)(state),
+  position: makeSelectContentPositionForUri(props.uri)(state),
   autoplay: makeSelectClientSetting(settings.AUTOPLAY)(state),
   searchBarFocused: selectSearchBarFocused(state),
   fileInfoErrors: selectFileInfoErrors(state),

src/renderer/component/fileViewer/internal/player.jsx

@@ -88,7 +88,9 @@ class MediaPlayer extends React.PureComponent {
     document.addEventListener('keydown', this.togglePlayListener);
     const mediaElement = this.media.children[0];
     if (mediaElement) {
-      mediaElement.currentTime = position || 0;
+      if (position) {
+        mediaElement.currentTime = position;
+      }
       mediaElement.addEventListener('timeupdate', () =>
         this.props.savePosition(
           claim.claim_id,

src/renderer/component/fileViewer/view.jsx

@@ -35,7 +35,7 @@ type Props = {
   claim: Claim,
   uri: string,
   savePosition: (string, string, number) => void,
-  playbackPosition: ?number,
+  position: ?number,
   className: ?string,
   obscureNsfw: boolean,
   play: string => void,
@@ -200,7 +200,7 @@ class FileViewer extends React.PureComponent<Props> {
       claim,
       uri,
       savePosition,
-      playbackPosition,
+      position,
       className,
       obscureNsfw,
       mediaType,
@@ -249,7 +249,7 @@ class FileViewer extends React.PureComponent<Props> {
                 savePosition={savePosition}
                 claim={claim}
                 uri={uri}
-                position={playbackPosition}
+                position={position}
                 playingUri={playingUri}
               />
             )}