"Fixed NSFW content showing on filePage"

NSFW content is obscured on show page and gives an overlay to inform
the user. Fixes #286

Added one additional format(epub) in lbry.js.

ui/js/component/fileCard/view.jsx

@@ -1,10 +1,10 @@
 import React from "react";
-import lbry from "lbry.js";
 import lbryuri from "lbryuri.js";
 import Link from "component/link";
-import { Thumbnail, TruncatedText, Icon } from "component/common";
+import { TruncatedText, Icon } from "component/common";
 import FilePrice from "component/filePrice";
 import UriIndicator from "component/uriIndicator";
+import NsfwOverlay from "component/nsfwOverlay";
 
 class FileCard extends React.PureComponent {
   constructor(props) {
@@ -97,22 +97,8 @@ class FileCard extends React.PureComponent {
               <TruncatedText lines={2}>{description}</TruncatedText>
             </div>
           </Link>
-          {obscureNsfw &&
-            this.state.hovered &&
-            <div className="card-overlay">
-              <p>
-                {__(
-                  "This content is Not Safe For Work. To view adult content, please change your"
-                )}
-                {" "}
-                <Link
-                  className="button-text"
-                  onClick={() => navigate("settings")}
-                  label={__("Settings")}
-                />.
-              </p>
-            </div>}
         </div>
+        {obscureNsfw && this.state.hovered && <NsfwOverlay />}
       </section>
     );
   }

ui/js/component/fileTile/view.jsx

@@ -2,10 +2,9 @@ import React from "react";
 import lbry from "lbry.js";
 import lbryuri from "lbryuri.js";
 import Link from "component/link";
-import FileActions from "component/fileActions";
-import { Thumbnail, TruncatedText } from "component/common.js";
+import { TruncatedText } from "component/common.js";
 import FilePrice from "component/filePrice";
-import UriIndicator from "component/uriIndicator";
+import NsfwOverlay from "component/nsfwOverlay";
 
 class FileTile extends React.PureComponent {
   static SHOW_EMPTY_PUBLISH = "publish";
@@ -124,20 +123,7 @@ class FileTile extends React.PureComponent {
             </div>
           </div>
         </Link>
-        {this.state.showNsfwHelp &&
-          <div className="card-overlay">
-            <p>
-              {__(
-                "This content is Not Safe For Work. To view adult content, please change your"
-              )}
-              {" "}
-              <Link
-                className="button-text"
-                onClick={() => navigate("/settings")}
-                label={__("Settings")}
-              />.
-            </p>
-          </div>}
+        {this.state.showNsfwHelp && <NsfwOverlay />}
       </section>
     );
   }

ui/js/component/nsfwOverlay/index.js

@@ -0,0 +1,10 @@
+import React from "react";
+import { connect } from "react-redux";
+import { doNavigate } from "actions/app";
+import NsfwOverlay from "./view";
+
+const perform = dispatch => ({
+  navigateSettings: () => dispatch(doNavigate("/settings")),
+});
+
+export default connect(null, perform)(NsfwOverlay);

ui/js/component/nsfwOverlay/view.jsx

@@ -0,0 +1,22 @@
+import React from "react";
+import Link from "component/link";
+
+const NsfwOverlay = props => {
+  return (
+    <div className="card-overlay">
+      <p>
+        {__(
+          "This content is Not Safe For Work. To view adult content, please change your"
+        )}{" "}
+        {" "}{" "}
+        <Link
+          className="button-text"
+          onClick={() => props.navigateSettings()}
+          label={__("Settings")}
+        />.
+      </p>
+    </div>
+  );
+};
+
+export default NsfwOverlay;

ui/js/component/video/index.js

@@ -1,6 +1,7 @@
 import React from "react";
 import { connect } from "react-redux";
 import { doCloseModal } from "actions/app";
+import { doNavigate } from "actions/app";
 import { selectCurrentModal } from "selectors/app";
 import { doPurchaseUri, doLoadVideo } from "actions/content";
 import {
@@ -13,6 +14,7 @@ import {
   makeSelectDownloadingForUri,
 } from "selectors/file_info";
 import { makeSelectCostInfoForUri } from "selectors/cost_info";
+import { selectObscureNsfw } from "selectors/app";
 import Video from "./view";
 
 const makeSelect = () => {
@@ -27,6 +29,7 @@ const makeSelect = () => {
     costInfo: selectCostInfo(state, props),
     fileInfo: selectFileInfo(state, props),
     metadata: selectMetadata(state, props),
+    obscureNsfw: selectObscureNsfw(state),
     modal: selectCurrentModal(state),
     isLoading: selectIsLoading(state, props),
     isDownloading: selectIsDownloading(state, props),

ui/js/component/video/view.jsx

@@ -3,11 +3,15 @@ import lbry from "lbry";
 import VideoPlayer from "./internal/player";
 import VideoPlayButton from "./internal/play-button";
 import LoadingScreen from "./internal/loading-screen";
+import NsfwOverlay from "component/nsfwOverlay";
 
 class Video extends React.PureComponent {
   constructor(props) {
     super(props);
-    this.state = { isPlaying: false };
+    this.state = {
+      isPlaying: false,
+      showNsfwHelp: false,
+    };
   }
 
   startPlaying() {
@@ -16,6 +20,26 @@ class Video extends React.PureComponent {
     });
   }
 
+  handleMouseOver() {
+    if (
+      this.props.obscureNsfw &&
+      this.props.metadata &&
+      this.props.metadata.nsfw
+    ) {
+      this.setState({
+        showNsfwHelp: true,
+      });
+    }
+  }
+
+  handleMouseOut() {
+    if (this.state.showNsfwHelp) {
+      this.setState({
+        showNsfwHelp: false,
+      });
+    }
+  }
+
   render() {
     const {
       metadata,
@@ -27,6 +51,7 @@ class Video extends React.PureComponent {
     const { isPlaying = false } = this.state;
 
     const isReadyToPlay = fileInfo && fileInfo.written_bytes > 0;
+    const obscureNsfw = this.props.obscureNsfw && metadata && metadata.nsfw;
     const mediaType = lbry.getMediaType(
       contentType,
       fileInfo && fileInfo.file_name
@@ -47,6 +72,7 @@ class Video extends React.PureComponent {
     }
 
     let klasses = [];
+    klasses.push(obscureNsfw ? "video--obscured " : "");
     if (isLoading || isDownloading) klasses.push("video-embedded", "video");
     if (mediaType === "video") {
       klasses.push("video-embedded", "video");
@@ -59,7 +85,11 @@ class Video extends React.PureComponent {
     const poster = metadata.thumbnail;
 
     return (
-      <div className={klasses.join(" ")}>
+      <div
+        className={klasses.join(" ")}
+        onMouseEnter={this.handleMouseOver.bind(this)}
+        onMouseLeave={this.handleMouseOut.bind(this)}
+      >
         {isPlaying &&
           (!isReadyToPlay
             ? <LoadingScreen status={loadStatusMessage} />
@@ -81,6 +111,7 @@ class Video extends React.PureComponent {
               mediaType={mediaType}
             />
           </div>}
+        {this.state.showNsfwHelp && <NsfwOverlay />}
       </div>
     );
   }

ui/js/lbry.js

@@ -321,9 +321,11 @@ lbry.getMediaType = function(contentType, fileName) {
     var ext = fileName.substr(dotIndex + 1);
     if (/^mp4|m4v|mov|webm|flv|f4v|ogv$/i.test(ext)) {
       return "video";
-  } else if (/^mp3|m4a|aac|wav|flac|ogg|opus$/i.test(ext)) {
+    } else if (/^mp3|m4a|aac|wav|flac|ogg|opus$/i.test(ext)) {
       return "audio";
-    } else if (/^html|htm|xml|pdf|odf|doc|docx|md|markdown|txt|org$/i.test(ext)) {
+    } else if (
+      /^html|htm|xml|pdf|odf|doc|docx|md|markdown|txt|epub|org$/i.test(ext)
+    ) {
       return "document";
     } else {
       return "unknown";

ui/js/page/filePage/index.js

@@ -10,6 +10,7 @@ import {
   makeSelectMetadataForUri,
 } from "selectors/claims";
 import { makeSelectCostInfoForUri } from "selectors/cost_info";
+import { selectObscureNsfw } from "selectors/app";
 import FilePage from "./view";
 
 const makeSelect = () => {
@@ -24,6 +25,7 @@ const makeSelect = () => {
     contentType: selectContentType(state, props),
     costInfo: selectCostInfo(state, props),
     metadata: selectMetadata(state, props),
+    obscureNsfw: selectObscureNsfw(state),
     fileInfo: selectFileInfo(state, props),
   });
 

ui/js/page/filePage/view.jsx

@@ -81,6 +81,7 @@ class FilePage extends React.PureComponent {
     const uriIndicator = <UriIndicator uri={uri} />;
     const mediaType = lbry.getMediaType(contentType);
     const player = require("render-media");
+    const obscureNsfw = this.props.obscureNsfw && metadata && metadata.nsfw;
     const isPlayable =
       Object.values(player.mime).indexOf(contentType) !== -1 ||
       mediaType === "audio";
@@ -94,7 +95,7 @@ class FilePage extends React.PureComponent {
               ? <Thumbnail src={metadata.thumbnail} />
               : <Thumbnail />}
         </section>
-        <section className="card">
+        <section className={"card " + (obscureNsfw ? "card--obscured " : "")}>
           <div className="card__inner">
             <div className="card__title-identity">
               {!fileInfo || fileInfo.written_bytes <= 0

ui/scss/_global.scss

@@ -39,7 +39,7 @@ $box-shadow-focus: 2px 4px 4px 0 rgba(0,0,0,.14),2px 5px 3px -2px rgba(0,0,0,.2)
 
 $transition-standard: .225s ease;
 
-$blur-intensity: 8px;
+$blur-intensity-nsfw: 20px;
 
 @mixin clearfix()
 {

ui/scss/component/_card.scss

@@ -17,11 +17,7 @@ $padding-card-horizontal: $spacing-vertical * 2/3;
   position: relative;
 }
 .card--obscured .card__inner {
-  -webkit-filter: blur($blur-intensity);
-  -moz-filter: blur($blur-intensity);
-  -o-filter: blur($blur-intensity);
-  -ms-filter: blur($blur-intensity);
-  filter: blur($blur-intensity);
+  filter: blur($blur-intensity-nsfw);
 }
 .card__title-primary {
   padding: 0 $padding-card-horizontal;

ui/scss/component/_video.scss

@@ -33,6 +33,11 @@ video {
     transform: translateY(-50%);
   }
 }
+.video--obscured .video__cover
+{
+  position: relative;
+  filter: blur($blur-intensity-nsfw);
+}
 
 
 .video__loading-screen {