Merge pull request #517 from browngraphicslab/hypothesis_annotation

Hypothesis annotation

19 files changed, 404 insertions, 281 deletions

diff --git a/src/Utils.ts b/src/Utils.ts
index 6608bb176..0be27b25d 100644
--- a/src/Utils.ts
+++ b/src/Utils.ts
@@ -514,7 +514,7 @@ export function clearStyleSheetRules(sheet: any) {
     return false;
 }
 
-export function simulateMouseClick(element: Element, x: number, y: number, sx: number, sy: number) {
+export function simulateMouseClick(element: Element, x: number, y: number, sx: number, sy: number, rightClick = true) {
     ["pointerdown", "pointerup"].map(event => element.dispatchEvent(
         new PointerEvent(event, {
             view: window,
@@ -528,7 +528,7 @@ export function simulateMouseClick(element: Element, x: number, y: number, sx: n
             screenY: sy,
         })));
 
-    element.dispatchEvent(
+    rightClick && element.dispatchEvent(
         new MouseEvent("contextmenu", {
             view: window,
             bubbles: true,
diff --git a/src/client/apis/HypothesisAuthenticationManager.tsx b/src/client/apis/HypothesisAuthenticationManager.tsx
deleted file mode 100644
index bc95b5f9a..000000000
--- a/src/client/apis/HypothesisAuthenticationManager.tsx
+++ /dev/null
@@ -1,160 +0,0 @@
-import { observable, action, reaction, runInAction, IReactionDisposer } from "mobx";
-import { observer } from "mobx-react";
-import * as React from "react";
-import MainViewModal from "../views/MainViewModal";
-import { Opt } from "../../fields/Doc";
-import { Networking } from "../Network";
-import "./HypothesisAuthenticationManager.scss";
-import { Scripting } from "../util/Scripting";
-
-const prompt = "Paste authorization code here...";
-
-@observer
-export default class HypothesisAuthenticationManager extends React.Component<{}> {
-    public static Instance: HypothesisAuthenticationManager;
-    private authenticationLink: Opt<string> = undefined;
-    @observable private openState = false;
-    @observable private authenticationCode: Opt<string> = undefined;
-    @observable private showPasteTargetState = false;
-    @observable private success: Opt<boolean> = undefined;
-    @observable private displayLauncher = true;
-    @observable private credentials: string = "";
-    private disposer: Opt<IReactionDisposer>;
-
-    private set isOpen(value: boolean) {
-        runInAction(() => this.openState = value);
-    }
-
-    private set shouldShowPasteTarget(value: boolean) {
-        runInAction(() => this.showPasteTargetState = value);
-    }
-
-    public cancel() {
-        this.openState && this.resetState(0, 0);
-    }
-
-    public fetchAccessToken = async (displayIfFound = false) => {
-        const response: any = await Networking.FetchFromServer("/readHypothesisAccessToken");
-        // if this is an authentication url, activate the UI to register the new access token
-        if (!response) { // new RegExp(AuthenticationUrl).test(response)) {
-            this.isOpen = true;
-            this.authenticationLink = response;
-            return new Promise<string>(async resolve => {
-                this.disposer?.();
-                this.disposer = reaction(
-                    () => this.authenticationCode,
-                    async authenticationCode => {
-                        if (authenticationCode) {
-                            this.disposer?.();
-                            Networking.PostToServer("/writeHypothesisAccessToken", { authenticationCode });
-                            runInAction(() => {
-                                this.success = true;
-                                this.credentials = response;
-                            });
-                            this.resetState();
-                            resolve(authenticationCode);
-                        }
-                    }
-                );
-            });
-        }
-
-        if (displayIfFound) {
-            runInAction(() => {
-                this.success = true;
-                this.credentials = response;
-            });
-            this.resetState(-1, -1);
-            this.isOpen = true;
-        }
-        return response.access_token;
-    }
-
-    resetState = action((visibleForMS: number = 3000, fadesOutInMS: number = 500) => {
-        if (!visibleForMS && !fadesOutInMS) {
-            runInAction(() => {
-                this.isOpen = false;
-                this.success = undefined;
-                this.displayLauncher = true;
-                this.credentials = "";
-                this.shouldShowPasteTarget = false;
-                this.authenticationCode = undefined;
-            });
-            return;
-        }
-        this.authenticationCode = undefined;
-        this.displayLauncher = false;
-        this.shouldShowPasteTarget = false;
-        if (visibleForMS > 0 && fadesOutInMS > 0) {
-            setTimeout(action(() => {
-                this.isOpen = false;
-                setTimeout(action(() => {
-                    this.success = undefined;
-                    this.displayLauncher = true;
-                    this.credentials = "";
-                }), fadesOutInMS);
-            }), visibleForMS);
-        }
-    });
-
-    constructor(props: {}) {
-        super(props);
-        HypothesisAuthenticationManager.Instance = this;
-    }
-
-    private get renderPrompt() {
-        return (
-            <div className={'authorize-container'}>
-
-                {this.displayLauncher ? <button
-                    className={"dispatch"}
-                    onClick={() => {
-                        this.shouldShowPasteTarget = true;
-                    }}
-                    style={{ marginBottom: this.showPasteTargetState ? 15 : 0 }}
-                >Authorize a Hypothesis account...</button> : (null)}
-                {this.showPasteTargetState ? <input
-                    className={'paste-target'}
-                    onChange={action(e => this.authenticationCode = e.currentTarget.value)}
-                    placeholder={prompt}
-                /> : (null)}
-                {this.credentials ?
-                    <>
-                        <span
-                            className={'welcome'}
-                        >Welcome to Dash, {this.credentials}
-                        </span>
-                        <div
-                            className={'disconnect'}
-                            onClick={async () => {
-                                await Networking.FetchFromServer("/revokeHypothesisAccessToken");
-                                this.resetState(0, 0);
-                            }}
-                        >Disconnect Account</div>
-                    </> : (null)}
-            </div>
-        );
-    }
-
-    private get dialogueBoxStyle() {
-        const borderColor = this.success === undefined ? "black" : this.success ? "green" : "red";
-        return { borderColor, transition: "0.2s borderColor ease", zIndex: 1002 };
-    }
-
-    render() {
-        return (
-            <MainViewModal
-                isDisplayed={this.openState}
-                interactive={true}
-                contents={this.renderPrompt}
-                // overlayDisplayedOpacity={0.9}
-                dialogueBoxStyle={this.dialogueBoxStyle}
-                overlayStyle={{ zIndex: 1001 }}
-                closeOnExternalClick={action(() => this.isOpen = false)}
-            />
-        );
-    }
-
-}
-
-Scripting.addGlobal("HypothesisAuthenticationManager", HypothesisAuthenticationManager);
\ No newline at end of file
diff --git a/src/client/documents/Documents.ts b/src/client/documents/Documents.ts
index f902da0a2..070068401 100644
--- a/src/client/documents/Documents.ts
+++ b/src/client/documents/Documents.ts
@@ -722,7 +722,7 @@ export namespace Docs {
         }
 
         export function WebDocument(url: string, options: DocumentOptions = {}) {
-            return InstanceFromProto(Prototypes.get(DocumentType.WEB), url ? new WebField(new URL(url)) : undefined, { _fitWidth: true, _chromeStatus: url ? "disabled" : "enabled", isAnnotating: true, _lockedTransform: true, ...options });
+            return InstanceFromProto(Prototypes.get(DocumentType.WEB), url ? new WebField(new URL(url)) : undefined, { _fitWidth: true, _chromeStatus: url ? "disabled" : "enabled", isAnnotating: false, _lockedTransform: true, ...options });
         }
 
         export function HtmlDocument(html: string, options: DocumentOptions = {}) {
@@ -943,7 +943,6 @@ export namespace DocUtils {
         return linkDoc;
     }
 
-
     export function DocumentFromField(target: Doc, fieldKey: string, proto?: Doc, options?: DocumentOptions): Doc | undefined {
         let created: Doc | undefined;
         let layout: ((fieldKey: string) => string) | undefined;
diff --git a/src/client/util/CurrentUserUtils.ts b/src/client/util/CurrentUserUtils.ts
index c205acb99..49377a728 100644
--- a/src/client/util/CurrentUserUtils.ts
+++ b/src/client/util/CurrentUserUtils.ts
@@ -447,8 +447,9 @@ export class CurrentUserUtils {
             // { title: "use stamp", icon: "stamp", click: 'activateStamp(this.activeInkPen = sameDocs(this.activeInkPen, this) ? undefined : this)', backgroundColor: "orange", ischecked: `sameDocs(this.activeInkPen, this)`, activeInkPen: doc },
             // { title: "use eraser", icon: "eraser", click: 'activateEraser(this.activeInkPen = sameDocs(this.activeInkPen, this) ? undefined : this);', ischecked: `sameDocs(this.activeInkPen, this)`, backgroundColor: "pink", activeInkPen: doc },
             // { title: "use drag", icon: "mouse-pointer", click: 'deactivateInk();this.activeInkPen = this;', ischecked: `sameDocs(this.activeInkPen, this)`, backgroundColor: "white", activeInkPen: doc },
-            { toolTip: "Drag a document previewer", title: "Prev", icon: "expand", click: 'openOnRight(getCopy(this.dragFactory, true))', drag: 'getCopy(this.dragFactory, true)', dragFactory: doc.emptyDocHolder as Doc },
+            { toolTip: "Drag a document previewer", title: "Prev", icon: "expand", click: 'openOnRight(getCopy(this.dragFactory, true))', drag: 'getCopy(this.dragFactory,true)', dragFactory: doc.emptyDocHolder as Doc },
             { toolTip: "Toggle a Calculator REPL", title: "repl", icon: "calculator", click: 'addOverlayWindow("ScriptingRepl", { x: 300, y: 100, width: 200, height: 200, title: "Scripting REPL" })' },
+            { toolTip: "Connect a Google Account", title: "Google Account", icon: "external-link-alt", click: 'GoogleAuthenticationManager.Instance.fetchOrGenerateAccessToken(true)' },
         ];
 
     }
diff --git a/src/client/util/HypothesisUtils.ts b/src/client/util/HypothesisUtils.ts
new file mode 100644
index 000000000..9ede94e4b
--- /dev/null
+++ b/src/client/util/HypothesisUtils.ts
@@ -0,0 +1,170 @@
+import { StrCast, Cast } from "../../fields/Types";
+import { SearchUtil } from "./SearchUtil";
+import { action, runInAction } from "mobx";
+import { Doc, Opt } from "../../fields/Doc";
+import { DocumentType } from "../documents/DocumentTypes";
+import { Docs } from "../documents/Documents";
+import { SelectionManager } from "./SelectionManager";
+import { WebField } from "../../fields/URLField";
+import { DocumentManager } from "./DocumentManager";
+import { DocumentLinksButton } from "../views/nodes/DocumentLinksButton";
+import { simulateMouseClick, Utils } from "../../Utils";
+import { DocumentView } from "../views/nodes/DocumentView";
+import { Id } from "../../fields/FieldSymbols";
+
+export namespace Hypothesis {
+
+    /**
+     * Retrieve a WebDocument with the given url, prioritizing results that are on screen.  
+     * If none exist, create and return a new WebDocument.
+     */
+    export const getSourceWebDoc = async (uri: string) => {
+        const result = await findWebDoc(uri);
+        console.log(result ? "existing doc found" : "existing doc NOT found");
+        return result || Docs.Create.WebDocument(uri, { title: uri, _nativeWidth: 850, _nativeHeight: 962, _width: 400, UseCors: true }); // create and return a new Web doc with given uri if no matching docs are found
+    };
+
+
+    /**
+     * Search for a WebDocument whose url field matches the given uri, return undefined if not found
+     */
+    export const findWebDoc = async (uri: string) => {
+        const currentDoc = SelectionManager.SelectedDocuments().length && SelectionManager.SelectedDocuments()[0].props.Document;
+        if (currentDoc && Cast(currentDoc.data, WebField)?.url.href === uri) return currentDoc; // always check first whether the currently selected doc is the annotation's source, only use Search otherwise
+
+        const results: Doc[] = [];
+        await SearchUtil.Search("web", true).then(action(async (res: SearchUtil.DocSearchResult) => {
+            const docs = await Promise.all(res.docs.map(async doc => (await Cast(doc.extendsDoc, Doc)) || doc));
+            const filteredDocs = docs.filter(doc =>
+                doc.author === Doc.CurrentUserEmail && doc.type === DocumentType.WEB && doc.data
+            );
+            filteredDocs.forEach(doc => {
+                uri === Cast(doc.data, WebField)?.url.href && results.push(doc); // TODO check visited sites history? 
+            });
+        }));
+
+        const onScreenResults = results.filter(doc => DocumentManager.Instance.getFirstDocumentView(doc));
+        return onScreenResults.length ? onScreenResults[0] : (results.length ? results[0] : undefined); // prioritize results that are currently on the screen
+    };
+
+    /**
+     * listen for event from Hypothes.is plugin to link an annotation to Dash
+     */
+    export const linkListener = async (e: any) => {
+        const annotationId: string = e.detail.id;
+        const annotationUri: string = StrCast(e.detail.uri).split("#annotations:")[0]; // clean hypothes.is URLs that reference a specific annotation 
+        const sourceDoc: Doc = await getSourceWebDoc(annotationUri);
+
+        if (!DocumentLinksButton.StartLink || sourceDoc === DocumentLinksButton.StartLink) { // start new link if there were none already started, or if the old startLink came from the same web document (prevent links to itself)
+            runInAction(() => {
+                DocumentLinksButton.AnnotationId = annotationId;
+                DocumentLinksButton.AnnotationUri = annotationUri;
+                DocumentLinksButton.StartLink = sourceDoc;
+            });
+        } else { // if a link has already been started, complete the link to sourceDoc
+            runInAction(() => {
+                DocumentLinksButton.AnnotationId = annotationId;
+                DocumentLinksButton.AnnotationUri = annotationUri;
+            });
+            const endLinkView = DocumentManager.Instance.getFirstDocumentView(sourceDoc);
+            const rect = document.body.getBoundingClientRect();
+            const x = rect.x + rect.width / 2;
+            const y = 250;
+            DocumentLinksButton.finishLinkClick(x, y, DocumentLinksButton.StartLink, sourceDoc, false, endLinkView);
+        }
+    };
+
+    /**
+     *  Send message to Hypothes.is client to edit an annotation to add a Dash hyperlink
+     */
+    export const makeLink = async (title: string, url: string, annotationId: string, annotationSourceDoc: Doc) => {
+        // if the annotation's source webpage isn't currently loaded in Dash, we're not able to access and edit the annotation from the client
+        // so we're loading the webpage and its annotations invisibly in a WebBox in MainView.tsx, until the editing is done
+        !DocumentManager.Instance.getFirstDocumentView(annotationSourceDoc) && runInAction(() => DocumentLinksButton.invisibleWebDoc = annotationSourceDoc);
+
+        var success = false;
+        const onSuccess = action(() => {
+            console.log("Edit success!!");
+            success = true;
+            clearTimeout(interval);
+            DocumentLinksButton.invisibleWebDoc = undefined;
+            document.removeEventListener("editSuccess", onSuccess);
+        });
+
+        const newHyperlink = `[${title}\n](${url})`;
+        const interval = setInterval(() => // keep trying to edit until annotations have loaded and editing is successful
+            !success && document.dispatchEvent(new CustomEvent<{ newHyperlink: string, id: string }>("addLink", {
+                detail: { newHyperlink: newHyperlink, id: annotationId },
+                bubbles: true
+            })), 300);
+
+        setTimeout(action(() => {
+            if (!success) {
+                clearInterval(interval);
+                DocumentLinksButton.invisibleWebDoc = undefined;
+            }
+        }), 10000); // give up if no success after 10s
+        document.addEventListener("editSuccess", onSuccess);
+    };
+
+    /**
+     * Send message Hypothes.is client request to edit an annotation to find and delete the target Dash hyperlink
+     */
+    export const deleteLink = async (linkDoc: Doc, sourceDoc: Doc, destinationDoc: Doc) => {
+        if (Cast(destinationDoc.data, WebField)?.url.href !== StrCast(linkDoc.annotationUri)) return; // check that the destinationDoc is a WebDocument containing the target annotation
+
+        !DocumentManager.Instance.getFirstDocumentView(destinationDoc) && runInAction(() => DocumentLinksButton.invisibleWebDoc = destinationDoc); // see note in makeLink
+
+        var success = false;
+        const onSuccess = action(() => {
+            console.log("Edit success!");
+            success = true;
+            clearTimeout(interval);
+            DocumentLinksButton.invisibleWebDoc = undefined;
+            document.removeEventListener("editSuccess", onSuccess);
+        });
+
+        const annotationId = StrCast(linkDoc.annotationId);
+        const linkUrl = Utils.prepend("/doc/" + sourceDoc[Id]);
+        const interval = setInterval(() => {// keep trying to edit until annotations have loaded and editing is successful
+            !success && document.dispatchEvent(new CustomEvent<{ targetUrl: string, id: string }>("deleteLink", {
+                detail: { targetUrl: linkUrl, id: annotationId },
+                bubbles: true
+            }));
+        }, 300);
+
+        setTimeout(action(() => {
+            if (!success) {
+                clearInterval(interval);
+                DocumentLinksButton.invisibleWebDoc = undefined;
+            }
+        }), 10000); // give up if no success after 10s
+        document.addEventListener("editSuccess", onSuccess);
+    };
+
+    /**
+     *  Send message to Hypothes.is client to scroll to an annotation when it loads
+     */
+    export const scrollToAnnotation = (annotationId: string, target: Doc) => {
+        var success = false;
+        const onSuccess = () => {
+            console.log("Scroll success!!");
+            document.removeEventListener('scrollSuccess', onSuccess);
+            clearInterval(interval);
+            success = true;
+        };
+
+        const interval = setInterval(() => { // keep trying to scroll every 250ms until annotations have loaded and scrolling is successful
+            document.dispatchEvent(new CustomEvent('scrollToAnnotation', {
+                detail: annotationId,
+                bubbles: true
+            }));
+            const targetView: Opt<DocumentView> = DocumentManager.Instance.getFirstDocumentView(target);
+            const position = targetView?.props.ScreenToLocalTransform().inverse().transformPoint(0, 0);
+            targetView && position && simulateMouseClick(targetView.ContentDiv!, position[0], position[1], position[0], position[1], false);
+        }, 300);
+
+        document.addEventListener('scrollSuccess', onSuccess); // listen for success message from client
+        setTimeout(() => !success && clearInterval(interval), 10000); // give up if no success after 10s
+    };
+}
\ No newline at end of file
diff --git a/src/client/util/SettingsManager.tsx b/src/client/util/SettingsManager.tsx
index 9ffd4ff20..8b58880d4 100644
--- a/src/client/util/SettingsManager.tsx
+++ b/src/client/util/SettingsManager.tsx
@@ -11,7 +11,6 @@ import { CurrentUserUtils } from "./CurrentUserUtils";
 import { Utils, addStyleSheet, addStyleSheetRule, removeStyleSheetRule } from "../../Utils";
 import { Doc } from "../../fields/Doc";
 import GroupManager from "./GroupManager";
-import HypothesisAuthenticationManager from "../apis/HypothesisAuthenticationManager";
 import GoogleAuthenticationManager from "../apis/GoogleAuthenticationManager";
 import { DocServer } from "../DocServer";
 import { BoolCast, StrCast, NumCast } from "../../fields/Types";
@@ -44,7 +43,6 @@ export default class SettingsManager extends React.Component<{}> {
     public open = action(() => (this.isOpen = true) && SelectionManager.DeselectAll());
 
     private googleAuthorize = action(() => GoogleAuthenticationManager.Instance.fetchOrGenerateAccessToken(true));
-    private hypothesisAuthorize = action(() => HypothesisAuthenticationManager.Instance.fetchAccessToken(true));
     private changePassword = async () => {
         if (!(this.curr_password && this.new_password && this.new_confirm)) {
             runInAction(() => this.passwordResultText = "Error: Hey, we're missing some fields!");
@@ -144,7 +142,6 @@ export default class SettingsManager extends React.Component<{}> {
     @computed get accountsContent() {
         return <div className="accounts-content">
             <button onClick={this.googleAuthorize} value="data">Link to Google</button>
-            <button onClick={this.hypothesisAuthorize} value="data">Link to Hypothes.is</button>
             <button onClick={GroupManager.Instance?.open}>Manage groups</button>
         </div>;
     }
diff --git a/src/client/views/GlobalKeyHandler.ts b/src/client/views/GlobalKeyHandler.ts
index 3a61e89ce..0ea02e3cb 100644
--- a/src/client/views/GlobalKeyHandler.ts
+++ b/src/client/views/GlobalKeyHandler.ts
@@ -7,7 +7,6 @@ import { List } from "../../fields/List";
 import { ScriptField } from "../../fields/ScriptField";
 import { Cast, PromiseValue } from "../../fields/Types";
 import GoogleAuthenticationManager from "../apis/GoogleAuthenticationManager";
-import HypothesisAuthenticationManager from "../apis/HypothesisAuthenticationManager";
 import { DocServer } from "../DocServer";
 import { DocumentType } from "../documents/DocumentTypes";
 import { DictationManager } from "../util/DictationManager";
@@ -107,7 +106,6 @@ export default class KeyManager {
                 doDeselect && SelectionManager.DeselectAll();
                 DictationManager.Controls.stop();
                 GoogleAuthenticationManager.Instance.cancel();
-                HypothesisAuthenticationManager.Instance.cancel();
                 SharingManager.Instance.close();
                 GroupManager.Instance.close();
                 CollectionFreeFormViewChrome.Instance.clearKeep();
diff --git a/src/client/views/MainView.tsx b/src/client/views/MainView.tsx
index b6058db7a..f5dccd567 100644
--- a/src/client/views/MainView.tsx
+++ b/src/client/views/MainView.tsx
@@ -14,9 +14,8 @@ import { listSpec } from '../../fields/Schema';
 import { ScriptField } from '../../fields/ScriptField';
 import { BoolCast, Cast, FieldValue, StrCast } from '../../fields/Types';
 import { TraceMobx } from '../../fields/util';
-import { emptyFunction, emptyPath, returnEmptyFilter, returnFalse, returnOne, returnTrue, returnZero, setupMoveUpEvents, Utils } from '../../Utils';
+import { emptyFunction, emptyPath, returnEmptyFilter, returnFalse, returnOne, returnTrue, returnZero, setupMoveUpEvents, Utils, simulateMouseClick } from '../../Utils';
 import GoogleAuthenticationManager from '../apis/GoogleAuthenticationManager';
-import HypothesisAuthenticationManager from '../apis/HypothesisAuthenticationManager';
 import { DocServer } from '../DocServer';
 import { Docs, DocumentOptions } from '../documents/Documents';
 import { DocumentType } from '../documents/DocumentTypes';
@@ -59,7 +58,10 @@ import { TaskCompletionBox } from './nodes/TaskCompletedBox';
 import { OverlayView } from './OverlayView';
 import PDFMenu from './pdf/PDFMenu';
 import { PreviewCursor } from './PreviewCursor';
+import { Hypothesis } from '../util/HypothesisUtils';
 import { undoBatch } from '../util/UndoManager';
+import { WebBox } from './nodes/WebBox';
+import * as ReactDOM from 'react-dom';
 import { SearchBox } from './search/SearchBox';
 
 @observer
@@ -127,6 +129,7 @@ export class MainView extends React.Component {
                 }
             });
         });
+        document.addEventListener("linkAnnotationToDash", Hypothesis.linkListener);
     }
 
     componentWillUnMount() {
@@ -134,6 +137,7 @@ export class MainView extends React.Component {
         window.removeEventListener("pointerdown", this.globalPointerDown);
         window.removeEventListener("pointerup", this.globalPointerUp);
         window.removeEventListener("paste", KeyManager.Instance.paste as any);
+        document.removeEventListener("linkAnnotationToDash", Hypothesis.linkListener);
     }
 
     constructor(props: Readonly<{}>) {
@@ -772,6 +776,37 @@ export class MainView extends React.Component {
         </div>;
     }
 
+    @computed get invisibleWebBox() { // see note under the makeLink method in HypothesisUtils.ts
+        return !DocumentLinksButton.invisibleWebDoc ? null :
+            <div style={{ position: 'absolute', left: 50, top: 50, display: 'block', width: '500px', height: '1000px' }} ref={DocumentLinksButton.invisibleWebRef}>
+                <WebBox
+                    fieldKey={"data"}
+                    ContainingCollectionView={undefined}
+                    ContainingCollectionDoc={undefined}
+                    Document={DocumentLinksButton.invisibleWebDoc}
+                    LibraryPath={emptyPath}
+                    dropAction={"move"}
+                    isSelected={returnFalse}
+                    select={returnFalse}
+                    rootSelected={returnFalse}
+                    renderDepth={0}
+                    addDocTab={returnFalse}
+                    pinToPres={returnFalse}
+                    ScreenToLocalTransform={Transform.Identity}
+                    bringToFront={returnFalse}
+                    active={returnFalse}
+                    whenActiveChanged={returnFalse}
+                    focus={returnFalse}
+                    PanelWidth={() => 500}
+                    PanelHeight={() => 800}
+                    NativeHeight={() => 500}
+                    NativeWidth={() => 800}
+                    ContentScaling={returnOne}
+                    docFilters={returnEmptyFilter}
+                />
+            </div>;
+    }
+
     render() {
         return (<div className={"mainView-container" + (this.darkScheme ? "-dark" : "")} ref={this._mainViewRef}>
 
@@ -781,7 +816,6 @@ export class MainView extends React.Component {
             <SettingsManager />
             <GroupManager />
             <GoogleAuthenticationManager />
-            <HypothesisAuthenticationManager />
             <DocumentDecorations />
             {this.search}
             <CollectionMenu />
@@ -806,8 +840,61 @@ export class MainView extends React.Component {
             <OverlayView />
             <TimelineMenu />
             {this.snapLines}
+            <div ref={this.makeWebRef} style={{ position: 'absolute', left: -1000, top: -1000, display: 'block', width: '200px', height: '800px' }} />
         </div >);
     }
+
+    makeWebRef = (ele: HTMLDivElement) => {
+        reaction(() => DocumentLinksButton.invisibleWebDoc,
+            invisibleDoc => {
+                ReactDOM.unmountComponentAtNode(ele);
+                invisibleDoc && ReactDOM.render(<span title="Drag as document" className="invisible-webbox" >
+                    <div style={{ position: 'absolute', left: -1000, top: -1000, display: 'block', width: '200px', height: '800px' }} ref={DocumentLinksButton.invisibleWebRef}>
+                        <WebBox
+                            fieldKey={"data"}
+                            ContainingCollectionView={undefined}
+                            ContainingCollectionDoc={undefined}
+                            Document={invisibleDoc}
+                            LibraryPath={emptyPath}
+                            dropAction={"move"}
+                            isSelected={returnFalse}
+                            select={returnFalse}
+                            rootSelected={returnFalse}
+                            renderDepth={0}
+                            addDocTab={returnFalse}
+                            pinToPres={returnFalse}
+                            ScreenToLocalTransform={Transform.Identity}
+                            bringToFront={returnFalse}
+                            active={returnFalse}
+                            whenActiveChanged={returnFalse}
+                            focus={returnFalse}
+                            PanelWidth={() => 500}
+                            PanelHeight={() => 800}
+                            NativeHeight={() => 500}
+                            NativeWidth={() => 800}
+                            ContentScaling={returnOne}
+                            docFilters={returnEmptyFilter}
+                        />
+                    </div>;
+                </span>, ele);
+
+                var success = false;
+                const onSuccess = () => {
+                    success = true;
+                    clearTimeout(interval);
+                    document.removeEventListener("editSuccess", onSuccess);
+                };
+
+                // For some reason, Hypothes.is annotations don't load until a click is registered on the page, 
+                // so we keep simulating clicks until annotations have loaded and editing is successful
+                const interval = setInterval(() => {
+                    !success && simulateMouseClick(ele, 50, 50, 50, 50);
+                }, 500);
+
+                setTimeout(() => !success && clearInterval(interval), 10000); // give up if no success after 10s
+                document.addEventListener("editSuccess", onSuccess);
+            });
+    }
 }
 Scripting.addGlobal(function freezeSidebar() { MainView.expandFlyout(); });
 Scripting.addGlobal(function toggleComicMode() { Doc.UserDoc().fontFamily = "Comic Sans MS"; Doc.UserDoc().renderStyle = Doc.UserDoc().renderStyle === "comic" ? undefined : "comic"; });
diff --git a/src/client/views/collections/CollectionLinearView.tsx b/src/client/views/collections/CollectionLinearView.tsx
index a9e812ad3..3cf46dbed 100644
--- a/src/client/views/collections/CollectionLinearView.tsx
+++ b/src/client/views/collections/CollectionLinearView.tsx
@@ -176,7 +176,7 @@ export class CollectionLinearView extends CollectionSubView(LinearDocument) {
                 }}
                     onPointerDown={e => e.stopPropagation()} >
                     <span className="bottomPopup-text" >
-                        Creating link from: {DocumentLinksButton.StartLink.props.Document.title}
+                        Creating link from: {DocumentLinksButton.AnnotationId ? "Annotation in " : " "} {StrCast(DocumentLinksButton.StartLink.title).length < 51 ? DocumentLinksButton.StartLink.title : StrCast(DocumentLinksButton.StartLink.title).slice(0, 50) + '...'}
                     </span>
 
                     <Tooltip title={<><div className="dash-tooltip">{LinkDescriptionPopup.showDescriptions ? "Turn off description pop-up" :
diff --git a/src/client/views/collections/CollectionSubView.tsx b/src/client/views/collections/CollectionSubView.tsx
index 0e40cd21c..72aece284 100644
--- a/src/client/views/collections/CollectionSubView.tsx
+++ b/src/client/views/collections/CollectionSubView.tsx
@@ -402,14 +402,28 @@ export function CollectionSubView<T, X>(schemaCtor: (doc: Doc) => T, moreProps?:
                 // }
             }
             if (uriList) {
-                this.addDocument(Docs.Create.WebDocument(uriList, {
-                    ...options,
-                    title: uriList,
-                    _width: 400,
-                    _height: 315,
-                    _nativeWidth: 850,
-                    _nativeHeight: 962
-                }));
+                const existingWebDoc = await Hypothesis.findWebDoc(uriList);
+                if (existingWebDoc) {
+                    const alias = Doc.MakeAlias(existingWebDoc);
+                    alias.x = options.x;
+                    alias.y = options.y;
+                    alias._nativeWidth = 850;
+                    alias._nativeHeight = 962;
+                    alias._width = 400;
+                    this.addDocument(alias);
+                } else {
+                    const newDoc = Docs.Create.WebDocument(uriList, {
+                        ...options,
+                        title: uriList.split("#annotations:")[0],
+                        _width: 400,
+                        _height: 315,
+                        _nativeWidth: 850,
+                        _nativeHeight: 962,
+                        UseCors: true
+                    });
+                    newDoc.data = new WebField(uriList.split("#annotations:")[0]); // clean hypothes.is URLs that reference a specific annotation (eg. https://en.wikipedia.org/wiki/Cartoon#annotations:t7qAeNbCEeqfG5972KR2Ig)
+                    this.addDocument(newDoc);
+                }
                 return;
             }
 
@@ -492,3 +506,5 @@ import { CollectionView, CollectionViewType } from "./CollectionView";
 import { SelectionManager } from "../../util/SelectionManager";
 import { OverlayView } from "../OverlayView";
 import { setTimeout } from "timers";
+import { Hypothesis } from "../../util/HypothesisUtils";
+
diff --git a/src/client/views/collections/collectionFreeForm/MarqueeView.tsx b/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
index 88fe03efd..858f33291 100644
--- a/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
+++ b/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
@@ -74,7 +74,7 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
         if (e.key === "?") {
             ContextMenu.Instance.setDefaultItem("?", (str: string) => {
                 const textDoc = Docs.Create.WebDocument(`https://bing.com/search?q=${str}`, {
-                    _width: 200, x, y, _nativeHeight: 962, _nativeWidth: 800, isAnnotating: false,
+                    _width: 200, x, y, _nativeHeight: 962, _nativeWidth: 850, isAnnotating: false,
                     title: "bing", UseCors: true
                 });
                 this.props.addDocTab(textDoc, "onRight");
diff --git a/src/client/views/linking/LinkEditor.tsx b/src/client/views/linking/LinkEditor.tsx
index 75fc8bf85..5832a2181 100644
--- a/src/client/views/linking/LinkEditor.tsx
+++ b/src/client/views/linking/LinkEditor.tsx
@@ -388,6 +388,12 @@ export class LinkEditor extends React.Component<LinkEditorProps> {
                         onPointerDown={() => this.changeFollowBehavior("inTab")}>
                         Always open in new tab
                         </div>
+                    {this.props.linkDoc.linksToAnnotation ?
+                        <div className="linkEditor-followingDropdown-option"
+                            onPointerDown={() => this.changeFollowBehavior("openExternal")}>
+                            Always open in external page
+                        </div>
+                        : null}
                 </div>
             </div>
         </div>;
diff --git a/src/client/views/linking/LinkMenuItem.tsx b/src/client/views/linking/LinkMenuItem.tsx
index f4aed94e7..b95fccf2a 100644
--- a/src/client/views/linking/LinkMenuItem.tsx
+++ b/src/client/views/linking/LinkMenuItem.tsx
@@ -1,9 +1,9 @@
 import { library } from '@fortawesome/fontawesome-svg-core';
 import { faArrowRight, faChevronDown, faChevronUp, faEdit, faEye, faTimes, faPencilAlt, faEyeSlash } from '@fortawesome/free-solid-svg-icons';
 import { FontAwesomeIcon, FontAwesomeIconProps } from '@fortawesome/react-fontawesome';
-import { action, observable } from 'mobx';
+import { action, observable, runInAction } from 'mobx';
 import { observer } from "mobx-react";
-import { Doc, DocListCast } from '../../../fields/Doc';
+import { Doc, DocListCast, Opt } from '../../../fields/Doc';
 import { Cast, StrCast } from '../../../fields/Types';
 import { DragManager } from '../../util/DragManager';
 import { LinkManager } from '../../util/LinkManager';
@@ -11,13 +11,16 @@ import { ContextMenu } from '../ContextMenu';
 import './LinkMenuItem.scss';
 import React = require("react");
 import { DocumentManager } from '../../util/DocumentManager';
-import { setupMoveUpEvents, emptyFunction } from '../../../Utils';
+import { setupMoveUpEvents, emptyFunction, Utils, simulateMouseClick } from '../../../Utils';
 import { DocumentView } from '../nodes/DocumentView';
 import { DocumentLinksButton } from '../nodes/DocumentLinksButton';
 import { LinkDocPreview } from '../nodes/LinkDocPreview';
+import { Hypothesis } from '../../util/HypothesisUtils';
+import { Id } from '../../../fields/FieldSymbols';
 import { Tooltip } from '@material-ui/core';
 import { DocumentType } from '../../documents/DocumentTypes';
 import { undoBatch } from '../../util/UndoManager';
+import { WebField } from '../../../fields/URLField';
 library.add(faEye, faEdit, faTimes, faArrowRight, faChevronDown, faChevronUp, faPencilAlt, faEyeSlash);
 
 
@@ -148,23 +151,35 @@ export class LinkMenuItem extends React.Component<LinkMenuItemProps> {
     }
 
     @action.bound
-    async followDefault() {
+    followDefault() {
         DocumentLinksButton.EditLink = undefined;
         LinkDocPreview.LinkInfo = undefined;
+        const linkDoc = this.props.linkDoc;
 
-        if (this.props.linkDoc.followLinkLocation && this.props.linkDoc.followLinkLocation !== "Default") {
-            this.props.addDocTab(this.props.destinationDoc, StrCast(this.props.linkDoc.followLinkLocation));
+        if (linkDoc.followLinkLocation === "openExternal" && this.props.destinationDoc.type === DocumentType.WEB) {
+            window.open(`${StrCast(linkDoc.annotationUri)}#annotations:${StrCast(linkDoc.annotationId)}`, '_blank');
+            return;
+        }
+
+        if (linkDoc.followLinkLocation && linkDoc.followLinkLocation !== "Default") {
+            this.props.addDocTab(this.props.destinationDoc, StrCast(linkDoc.followLinkLocation));
         } else {
             DocumentManager.Instance.FollowLink(this.props.linkDoc, this.props.sourceDoc, doc => this.props.addDocTab(doc, "onRight"), false);
         }
+
+        linkDoc.linksToAnnotation && Hypothesis.scrollToAnnotation(StrCast(this.props.linkDoc.annotationId), this.props.destinationDoc);
     }
 
     @undoBatch
     @action
     deleteLink = (): void => {
+        this.props.linkDoc.linksToAnnotation && Hypothesis.deleteLink(this.props.linkDoc, this.props.sourceDoc, this.props.destinationDoc);
         LinkManager.Instance.deleteLink(this.props.linkDoc);
-        LinkDocPreview.LinkInfo = undefined;
-        DocumentLinksButton.EditLink = undefined;
+
+        runInAction(() => {
+            LinkDocPreview.LinkInfo = undefined;
+            DocumentLinksButton.EditLink = undefined;
+        });
     }
 
     @undoBatch
@@ -233,7 +248,7 @@ export class LinkMenuItem extends React.Component<LinkMenuItemProps> {
                                     <FontAwesomeIcon className="destination-icon" icon={destinationIcon} size="sm" /></div>
                                 <p className="linkMenu-destination-title"
                                     onPointerDown={this.followDefault}>
-                                    {title}
+                                    {this.props.linkDoc.linksToAnnotation && Cast(this.props.destinationDoc.data, WebField)?.url.href === this.props.linkDoc.annotationUri ? "Annotation in" : ""} {title}
                                 </p>
                             </div>
                             {this.props.linkDoc.description !== "" ? <p className="linkMenu-description">
diff --git a/src/client/views/nodes/DocumentLinksButton.tsx b/src/client/views/nodes/DocumentLinksButton.tsx
index c2f27c85a..31dd33fc1 100644
--- a/src/client/views/nodes/DocumentLinksButton.tsx
+++ b/src/client/views/nodes/DocumentLinksButton.tsx
@@ -2,18 +2,23 @@ import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { Tooltip } from "@material-ui/core";
 import { action, computed, observable, runInAction } from "mobx";
 import { observer } from "mobx-react";
-import { Doc } from "../../../fields/Doc";
+import { Doc, DocListCast, Opt } from "../../../fields/Doc";
+import { DocumentType } from "../../documents/DocumentTypes";
+import { emptyFunction, setupMoveUpEvents, returnFalse, Utils, emptyPath } from "../../../Utils";
 import { TraceMobx } from "../../../fields/util";
-import { emptyFunction, returnFalse, setupMoveUpEvents, emptyPath } from "../../../Utils";
-import { DocUtils } from "../../documents/Documents";
+import { DocUtils, Docs } from "../../documents/Documents";
 import { DragManager } from "../../util/DragManager";
 import { LinkManager } from "../../util/LinkManager";
 import { undoBatch, UndoManager } from "../../util/UndoManager";
-import './DocumentLinksButton.scss';
 import { DocumentView } from "./DocumentView";
+import { StrCast, Cast } from "../../../fields/Types";
 import { LinkDescriptionPopup } from "./LinkDescriptionPopup";
+import { Hypothesis } from "../../util/HypothesisUtils";
+import { Id } from "../../../fields/FieldSymbols";
 import { TaskCompletionBox } from "./TaskCompletedBox";
 import React = require("react");
+import './DocumentLinksButton.scss';
+
 const higflyout = require("@hig/flyout");
 export const { anchorPoints } = higflyout;
 export const Flyout = higflyout.default;
@@ -30,7 +35,12 @@ interface DocumentLinksButtonProps {
 export class DocumentLinksButton extends React.Component<DocumentLinksButtonProps, {}> {
     private _linkButton = React.createRef<HTMLDivElement>();
 
-    @observable public static StartLink: DocumentView | undefined;
+    @observable public static StartLink: Doc | undefined;
+    @observable public static AnnotationId: string | undefined;
+    @observable public static AnnotationUri: string | undefined;
+
+    @observable public static invisibleWebDoc: Opt<Doc>;
+    public static invisibleWebRef = React.createRef<HTMLDivElement>();
 
     @action @undoBatch
     onLinkButtonMoved = (e: PointerEvent) => {
@@ -67,10 +77,10 @@ export class DocumentLinksButton extends React.Component<DocumentLinksButtonProp
         setupMoveUpEvents(this, e, this.onLinkButtonMoved, emptyFunction, action((e, doubleTap) => {
             if (doubleTap && this.props.InMenu && this.props.StartLink) {
                 //action(() => Doc.BrushDoc(this.props.View.Document));
-                if (DocumentLinksButton.StartLink === this.props.View) {
+                if (DocumentLinksButton.StartLink === this.props.View.props.Document) {
                     DocumentLinksButton.StartLink = undefined;
                 } else {
-                    DocumentLinksButton.StartLink = this.props.View;
+                    DocumentLinksButton.StartLink = this.props.View.props.Document;
                 }
             } else if (!this.props.InMenu) {
                 DocumentLinksButton.EditLink = this.props.View;
@@ -81,10 +91,12 @@ export class DocumentLinksButton extends React.Component<DocumentLinksButtonProp
     @action @undoBatch
     onLinkClick = (e: React.MouseEvent): void => {
         if (this.props.InMenu && this.props.StartLink) {
-            if (DocumentLinksButton.StartLink === this.props.View) {
+            DocumentLinksButton.AnnotationId = undefined;
+            DocumentLinksButton.AnnotationUri = undefined;
+            if (DocumentLinksButton.StartLink === this.props.View.props.Document) {
                 DocumentLinksButton.StartLink = undefined;
             } else {
-                DocumentLinksButton.StartLink = this.props.View;
+                DocumentLinksButton.StartLink = this.props.View.props.Document;
             }
 
             //action(() => Doc.BrushDoc(this.props.View.Document));
@@ -95,37 +107,64 @@ export class DocumentLinksButton extends React.Component<DocumentLinksButtonProp
 
     completeLink = (e: React.PointerEvent): void => {
         setupMoveUpEvents(this, e, returnFalse, emptyFunction, undoBatch(action((e, doubleTap) => {
-            if (doubleTap && this.props.InMenu && !this.props.StartLink) {
-                if (DocumentLinksButton.StartLink === this.props.View) {
+            if (doubleTap && !this.props.StartLink) {
+                if (DocumentLinksButton.StartLink === this.props.View.props.Document) {
                     DocumentLinksButton.StartLink = undefined;
-                } else if (DocumentLinksButton.StartLink && DocumentLinksButton.StartLink !== this.props.View) {
-                    const linkDoc = DocUtils.MakeLink({ doc: DocumentLinksButton.StartLink.props.Document }, { doc: this.props.View.props.Document }, "long drag");
+                    DocumentLinksButton.AnnotationId = undefined;
+                } else if (DocumentLinksButton.StartLink && DocumentLinksButton.StartLink !== this.props.View.props.Document) {
+                    const sourceDoc = DocumentLinksButton.StartLink;
+                    const targetDoc = this.props.View.props.Document;
+                    const linkDoc = DocUtils.MakeLink({ doc: sourceDoc }, { doc: targetDoc }, "long drag");
+
                     LinkManager.currentLink = linkDoc;
-                    if (linkDoc) {
-                        TaskCompletionBox.textDisplayed = "Link Created";
-                        TaskCompletionBox.popupX = e.screenX;
-                        TaskCompletionBox.popupY = e.screenY - 133;
-                        TaskCompletionBox.taskCompleted = true;
-
-                        LinkDescriptionPopup.popupX = e.screenX;
-                        LinkDescriptionPopup.popupY = e.screenY - 100;
-                        LinkDescriptionPopup.descriptionPopup = true;
-
-                        setTimeout(action(() => TaskCompletionBox.taskCompleted = false), 2500);
-                    }
+
+                    runInAction(() => {
+                        if (linkDoc) {
+                            TaskCompletionBox.textDisplayed = "Link Created";
+                            TaskCompletionBox.popupX = e.screenX;
+                            TaskCompletionBox.popupY = e.screenY - 133;
+                            TaskCompletionBox.taskCompleted = true;
+
+                            LinkDescriptionPopup.popupX = e.screenX;
+                            LinkDescriptionPopup.popupY = e.screenY - 100;
+                            LinkDescriptionPopup.descriptionPopup = true;
+
+                            LinkDescriptionPopup.popupX = e.screenX;
+                            LinkDescriptionPopup.popupY = e.screenY - 100;
+                            LinkDescriptionPopup.descriptionPopup = true;
+
+                            setTimeout(action(() => TaskCompletionBox.taskCompleted = false), 2500);
+                        }
+                    });
                 }
             }
         })));
     }
-    finishLinkClick = undoBatch(action((screenX: number, screenY: number) => {
-        if (DocumentLinksButton.StartLink === this.props.View) {
+
+    public static finishLinkClick = undoBatch(action((screenX: number, screenY: number, startLink: Doc, endLink: Doc, startIsAnnotation: boolean, endLinkView?: DocumentView,) => {
+        if (startLink === endLink) {
             DocumentLinksButton.StartLink = undefined;
-        } else if (this.props.InMenu && !this.props.StartLink && DocumentLinksButton.StartLink && DocumentLinksButton.StartLink !== this.props.View) {
-            const linkDoc = DocUtils.MakeLink({ doc: DocumentLinksButton.StartLink.props.Document }, { doc: this.props.View.props.Document }, "long drag");
+            DocumentLinksButton.AnnotationId = undefined;
+            DocumentLinksButton.AnnotationUri = undefined;
+            //!this.props.StartLink 
+        } else if (startLink !== endLink) {
+            const linkDoc = DocUtils.MakeLink({ doc: startLink }, { doc: endLink }, DocumentLinksButton.AnnotationId ? "hypothes.is annotation" : "long drag");
             // this notifies any of the subviews that a document is made so that they can make finer-grained hyperlinks ().  see note above in onLInkButtonMoved
-            DocumentLinksButton.StartLink._link = this.props.View._link = linkDoc;
-            setTimeout(action(() => DocumentLinksButton.StartLink!._link = this.props.View._link = undefined), 0);
+            if (endLinkView) {
+                startLink._link = endLinkView._link = linkDoc;
+                setTimeout(action(() => startLink._link = endLinkView._link = undefined), 0);
+            }
             LinkManager.currentLink = linkDoc;
+
+            if (DocumentLinksButton.AnnotationId && DocumentLinksButton.AnnotationUri) { // if linking from a Hypothes.is annotation
+                Doc.GetProto(linkDoc as Doc).linksToAnnotation = true;
+                Doc.GetProto(linkDoc as Doc).annotationId = DocumentLinksButton.AnnotationId;
+                Doc.GetProto(linkDoc as Doc).annotationUri = DocumentLinksButton.AnnotationUri;
+                const dashHyperlink = Utils.prepend("/doc/" + (startIsAnnotation ? endLink[Id] : startLink[Id]));
+                Hypothesis.makeLink(StrCast(startIsAnnotation ? endLink.title : startLink.title), dashHyperlink, DocumentLinksButton.AnnotationId,
+                    (startIsAnnotation ? startLink : endLink)); // edit annotation to add a Dash hyperlink to the linked doc
+            }
+
             if (linkDoc) {
                 TaskCompletionBox.textDisplayed = "Link Created";
                 TaskCompletionBox.popupX = screenX;
@@ -137,8 +176,7 @@ export class DocumentLinksButton extends React.Component<DocumentLinksButtonProp
                     LinkDescriptionPopup.popupY = screenY - 100;
                     LinkDescriptionPopup.descriptionPopup = true;
                 }
-
-                setTimeout(action(() => TaskCompletionBox.taskCompleted = false), 2500);
+                setTimeout(action(() => { TaskCompletionBox.taskCompleted = false; }), 2500);
             }
         }
     }));
@@ -198,7 +236,7 @@ export class DocumentLinksButton extends React.Component<DocumentLinksButtonProp
                     link : links.length}
 
             </div>
-            {this.props.InMenu && !this.props.StartLink && DocumentLinksButton.StartLink !== this.props.View ?
+            {this.props.InMenu && !this.props.StartLink && DocumentLinksButton.StartLink !== this.props.View.props.Document ?
                 <div className={"documentLinksButton-endLink"}
                     style={{
                         width: this.props.InMenu ? "20px" : "30px", height: this.props.InMenu ? "20px" : "30px",
@@ -206,12 +244,15 @@ export class DocumentLinksButton extends React.Component<DocumentLinksButtonProp
                         border: DocumentLinksButton.StartLink ? "" : "none"
                     }}
                     onPointerDown={DocumentLinksButton.StartLink ? this.completeLink : emptyFunction}
-                    onClick={e => DocumentLinksButton.StartLink ? this.finishLinkClick(e.screenX, e.screenY) : emptyFunction} /> : (null)}
-            {DocumentLinksButton.StartLink === this.props.View && this.props.InMenu && this.props.StartLink ? <div className={"documentLinksButton-startLink"}
-                style={{ width: this.props.InMenu ? "20px" : "30px", height: this.props.InMenu ? "20px" : "30px" }}
-                onPointerDown={this.clearLinks} onClick={this.clearLinks}
-            /> : (null)}
-        </div>;
+                    onClick={e => DocumentLinksButton.StartLink ? DocumentLinksButton.finishLinkClick(e.screenX, e.screenY, DocumentLinksButton.StartLink, this.props.View.props.Document, true, this.props.View) : emptyFunction} /> : (null)
+            }
+            {
+                DocumentLinksButton.StartLink === this.props.View.props.Document && this.props.InMenu && this.props.StartLink ? <div className={"documentLinksButton-startLink"}
+                    style={{ width: this.props.InMenu ? "20px" : "30px", height: this.props.InMenu ? "20px" : "30px" }}
+                    onPointerDown={this.clearLinks} onClick={this.clearLinks}
+                /> : (null)
+            }
+        </div >;
 
         return (!links.length) && !this.props.AlwaysOn ? (null) :
             this.props.InMenu && (DocumentLinksButton.StartLink || this.props.StartLink) ?
@@ -223,6 +264,7 @@ export class DocumentLinksButton extends React.Component<DocumentLinksButtonProp
                     </Tooltip> :
                     linkButton;
     }
+
     render() {
         return this.linkButton;
     }
diff --git a/src/server/ApiManagers/HypothesisManager.ts b/src/server/ApiManagers/HypothesisManager.ts
deleted file mode 100644
index 33badbc42..000000000
--- a/src/server/ApiManagers/HypothesisManager.ts
+++ /dev/null
@@ -1,44 +0,0 @@
-import ApiManager, { Registration } from "./ApiManager";
-import { Method, _permission_denied } from "../RouteManager";
-import { GoogleApiServerUtils } from "../apis/google/GoogleApiServerUtils";
-import { Database } from "../database";
-import { writeFile, readFile, readFileSync, existsSync } from "fs";
-import { serverPathToFile, Directory } from "./UploadManager";
-
-export default class HypothesisManager extends ApiManager {
-
-    protected initialize(register: Registration): void {
-
-        register({
-            method: Method.GET,
-            subscription: "/readHypothesisAccessToken",
-            secureHandler: async ({ user, res }) => {
-                if (existsSync(serverPathToFile(Directory.hypothesis, user.id))) {
-                    const read = readFileSync(serverPathToFile(Directory.hypothesis, user.id), "base64") || "";
-                    console.log("READ = " + read);
-                    res.send(read);
-                } else res.send("");
-            }
-        });
-
-        register({
-            method: Method.POST,
-            subscription: "/writeHypothesisAccessToken",
-            secureHandler: async ({ user, req, res }) => {
-                const write = req.body.authenticationCode;
-                console.log("WRITE = " + write);
-                res.send(await writeFile(serverPathToFile(Directory.hypothesis, user.id), write, "base64", () => { }));
-            }
-        });
-
-        register({
-            method: Method.GET,
-            subscription: "/revokeHypothesisAccessToken",
-            secureHandler: async ({ user, res }) => {
-                await Database.Auxiliary.GoogleAccessToken.Revoke("dash-hyp-" + user.id);
-                res.send();
-            }
-        });
-
-    }
-}
\ No newline at end of file
diff --git a/src/server/ApiManagers/UploadManager.ts b/src/server/ApiManagers/UploadManager.ts
index 515fbe4ff..bd8fe97eb 100644
--- a/src/server/ApiManagers/UploadManager.ts
+++ b/src/server/ApiManagers/UploadManager.ts
@@ -25,7 +25,6 @@ export enum Directory {
     text = "text",
     pdf_thumbnails = "pdf_thumbnails",
     audio = "audio",
-    hypothesis = "hypothesis"
 }
 
 export function serverPathToFile(directory: Directory, filename: string) {
diff --git a/src/server/apis/google/GoogleApiServerUtils.ts b/src/server/apis/google/GoogleApiServerUtils.ts
index b0157a85f..64bafe7fb 100644
--- a/src/server/apis/google/GoogleApiServerUtils.ts
+++ b/src/server/apis/google/GoogleApiServerUtils.ts
@@ -40,7 +40,6 @@ export namespace GoogleApiServerUtils {
     export enum Service {
         Documents = "Documents",
         Slides = "Slides",
-        Hypothesis = "Hypothesis"
     }
 
     /**
diff --git a/src/server/database.ts b/src/server/database.ts
index b7aa77f5d..41bf8b3da 100644
--- a/src/server/database.ts
+++ b/src/server/database.ts
@@ -304,7 +304,7 @@ export namespace Database {
          */
         export enum AuxiliaryCollections {
             GooglePhotosUploadHistory = "uploadedFromGooglePhotos",
-            GoogleAccess = "googleAuthentication"
+            GoogleAccess = "googleAuthentication",
         }
 
         /**
diff --git a/src/server/index.ts b/src/server/index.ts
index 9185e3c5e..97a90825d 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -8,7 +8,6 @@ import DeleteManager from "./ApiManagers/DeleteManager";
 import DownloadManager from './ApiManagers/DownloadManager';
 import GeneralGoogleManager from "./ApiManagers/GeneralGoogleManager";
 import GooglePhotosManager from "./ApiManagers/GooglePhotosManager";
-import HypothesisManager from "./ApiManagers/HypothesisManager";
 import PDFManager from "./ApiManagers/PDFManager";
 import { SearchManager } from './ApiManagers/SearchManager';
 import SessionManager from "./ApiManagers/SessionManager";
@@ -72,7 +71,6 @@ function routeSetter({ isRelease, addSupervisedRoute, logRegistrationOutcome }:
         new DeleteManager(),
         new UtilManager(),
         new GeneralGoogleManager(),
-        new HypothesisManager(),
         new GooglePhotosManager(),
     ];