2 files changed, 29 insertions, 15 deletions
diff --git a/src/client/views/presentationview/PresentationElement.tsx b/src/client/views/presentationview/PresentationElement.tsx
index 329630875..36f1178f1 100644
--- a/src/client/views/presentationview/PresentationElement.tsx
+++ b/src/client/views/presentationview/PresentationElement.tsx
@@ -1,21 +1,19 @@
-import { observer } from "mobx-react";
-import React = require("react");
-import { Doc, DocListCast, DocListCastAsync } from "../../../new_fields/Doc";
-import { NumCast, BoolCast, StrCast, Cast } from "../../../new_fields/Types";
-import { Id } from "../../../new_fields/FieldSymbols";
-import { observable, action, computed, runInAction } from "mobx";
-import "./PresentationView.scss";
-import { Utils } from "../../../Utils";
 import { library } from '@fortawesome/fontawesome-svg-core';
-import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-import { faFile as fileSolid, faFileDownload, faLocationArrow, faArrowUp, faSearch } from '@fortawesome/free-solid-svg-icons';
 import { faFile as fileRegular } from '@fortawesome/free-regular-svg-icons';
+import { faArrowUp, faFile as fileSolid, faFileDownload, faLocationArrow, faSearch } from '@fortawesome/free-solid-svg-icons';
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { action, computed, observable, runInAction } from "mobx";
+import { observer } from "mobx-react";
+import { Doc } from "../../../new_fields/Doc";
+import { Id } from "../../../new_fields/FieldSymbols";
 import { List } from "../../../new_fields/List";
 import { listSpec } from "../../../new_fields/Schema";
-import { DragManager, SetupDrag, dropActionType } from "../../util/DragManager";
+import { BoolCast, Cast, NumCast, StrCast } from "../../../new_fields/Types";
+import { Utils } from "../../../Utils";
+import { DragManager, dropActionType, SetupDrag } from "../../util/DragManager";
 import { SelectionManager } from "../../util/SelectionManager";
-import { indexOf } from "typescript-collections/dist/lib/arrays";
-import { map } from "bluebird";
+import "./PresentationView.scss";
+import React = require("react");
 
 library.add(faArrowUp);
 library.add(fileSolid);
diff --git a/src/client/views/presentationview/PresentationView.tsx b/src/client/views/presentationview/PresentationView.tsx
index b318f0321..e25725275 100644
--- a/src/client/views/presentationview/PresentationView.tsx
+++ b/src/client/views/presentationview/PresentationView.tsx
@@ -63,6 +63,10 @@ export class PresentationView extends React.Component<PresViewProps>  {
     @observable titleInputElement: HTMLInputElement | undefined;
     @observable PresTitleChangeOpen: boolean = false;
 
+    @observable opacity = 1;
+    @observable persistOpacity = true;
+    @observable labelOpacity = 0;
+
     //initilize class variables
     constructor(props: PresViewProps) {
         super(props);
@@ -167,7 +171,7 @@ export class PresentationView extends React.Component<PresViewProps>  {
 
 
         //storing the presentation status,ie. whether it was stopped or playing
-        let presStatusBackUp = BoolCast(this.curPresentation.presStatus, null);
+        let presStatusBackUp = BoolCast(this.curPresentation.presStatus);
         runInAction(() => this.presStatus = presStatusBackUp);
     }
 
@@ -811,7 +815,7 @@ export class PresentationView extends React.Component<PresViewProps>  {
         let width = NumCast(this.curPresentation.width);
 
         return (
-            <div className="presentationView-cont" style={{ width: width, overflow: "hidden" }}>
+            <div className="presentationView-cont" onPointerEnter={action(() => !this.persistOpacity && (this.opacity = 1))} onPointerLeave={action(() => !this.persistOpacity && (this.opacity = 0.4))} style={{ width: width, overflow: "hidden", opacity: this.opacity, transition: "0.7s opacity ease" }}>
                 <div className="presentationView-heading">
                     {this.renderSelectOrPresSelection()}
                     <button title="Close Presentation" className='presentation-icon' onClick={this.closePresentation}><FontAwesomeIcon icon={"times"} /></button>
@@ -830,6 +834,18 @@ export class PresentationView extends React.Component<PresViewProps>  {
                     {this.renderPlayPauseButton()}
                     <button title="Next" className="presentation-button" onClick={this.next}><FontAwesomeIcon icon={"arrow-right"} /></button>
                 </div>
+                <input
+                    type="checkbox"
+                    onChange={action((e: React.ChangeEvent<HTMLInputElement>) => {
+                        this.persistOpacity = e.target.checked;
+                        this.opacity = this.persistOpacity ? 1 : 0.4;
+                    })}
+                    checked={this.persistOpacity}
+                    style={{ position: "absolute", bottom: 5, left: 5 }}
+                    onPointerEnter={action(() => this.labelOpacity = 1)}
+                    onPointerLeave={action(() => this.labelOpacity = 0)}
+                />
+                <p style={{ position: "absolute", bottom: 1, left: 22, opacity: this.labelOpacity, transition: "0.7s opacity ease" }}>opacity {this.persistOpacity ? "persistent" : "on focus"}</p>
                 <PresentationViewList
                     mainDocument={this.curPresentation}
                     deleteDocument={this.RemoveDoc}