feat(preferences): extension modals into extension panes (#683)

* feat(preferences): show inline extensions in extensions pane * wip * wip * refactor: convert ComponentView to React component * refactor: convert ComponentView to React component * chore: fix merge conflicts * feat: don't show features whose `area` is "room", update modal items' icons in Preferences menu * chore: fix TS error * feat: don't show 2FA Manager in modal-based component * feat: remove `ExtendedDataReloadComplete` event, since Extensions Manger is being removed from the app * chore: avoid hardcoded values in svg image, optimize `if` condition * chore: remove remnant comment * fix: fix typescript errors Co-authored-by: vardanhakobyan <vardan_live@live.com>
2021-10-25 10:45:36 +02:00
parent 82fc103a3e
commit 31222e1236
29 changed files with 993 additions and 625 deletions
--- a/app/assets/icons/ic-window.svg
+++ b/app/assets/icons/ic-window.svg
@@ -0,0 +1,3 @@
+<svg viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M3.33325 3.33325H16.6666V16.6666H3.33325V3.33325ZM4.99992 6.66658V14.9999H14.9999V6.66658H4.99992Z"/>
+</svg>
--- a/app/assets/javascripts/app.ts
+++ b/app/assets/javascripts/app.ts
@@ -42,7 +42,6 @@ import {
 import {
  ActionsMenu,
  ComponentModal,
-  ComponentView,
  EditorMenu,
  InputModal,
  MenuRow,
@@ -76,6 +75,7 @@ import { AppVersion, IsWebPlatform } from '@/version';
 import { NotesListOptionsDirective } from './components/NotesListOptionsMenu';
 import { PurchaseFlowDirective } from './purchaseFlow';
 import { QuickSettingsMenuDirective } from './components/QuickSettingsMenu';
+import { ComponentViewDirective } from '@/components/ComponentView';

 function reloadHiddenFirefoxTab(): boolean {
  /**
@@ -154,7 +154,7 @@ const startApplication: StartApplication = async function startApplication(
    .directive('actionsMenu', () => new ActionsMenu())
    .directive('challengeModal', () => new ChallengeModal())
    .directive('componentModal', () => new ComponentModal())
-    .directive('componentView', () => new ComponentView())
+    .directive('componentView', ComponentViewDirective)
    .directive('editorMenu', () => new EditorMenu())
    .directive('inputModal', () => new InputModal())
    .directive('menuRow', () => new MenuRow())
--- a/app/assets/javascripts/components/AccountMenu/index.tsx
+++ b/app/assets/javascripts/components/AccountMenu/index.tsx
@@ -105,7 +105,7 @@ const AccountMenu: FunctionComponent<Props> = observer(
    };

    return (
-      <div className="sn-component">
+      <div className='sn-component'>
        <div
          className={`sn-menu-border sn-account-menu sn-dropdown ${
            shouldAnimateCloseMenu
--- a/app/assets/javascripts/components/ComponentView/IsDeprecated.tsx
+++ b/app/assets/javascripts/components/ComponentView/IsDeprecated.tsx
@@ -0,0 +1,32 @@
+import { FunctionalComponent } from 'preact';
+
+interface IProps {
+  deprecationMessage: string | undefined;
+  dismissDeprecationMessage: () => void;
+}
+
+export const IsDeprecated: FunctionalComponent<IProps> = ({
+                                                            deprecationMessage,
+                                                            dismissDeprecationMessage
+                                                          }) => {
+  return (
+    <div className={'sn-component'}>
+      <div className={'sk-app-bar no-edges no-top-edge dynamic-height'}>
+        <div className={'left'}>
+          <div className={'sk-app-bar-item'}>
+            <div className={'sk-label warning'}>
+              {deprecationMessage || 'This extension is deprecated.'}
+            </div>
+          </div>
+        </div>
+        <div className={'right'}>
+          <div className={'sk-app-bar-item'} onClick={dismissDeprecationMessage}>
+            <button className={'sn-button small info'}>
+              Dismiss
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/app/assets/javascripts/components/ComponentView/IsExpired.tsx
+++ b/app/assets/javascripts/components/ComponentView/IsExpired.tsx
@@ -0,0 +1,57 @@
+import { FunctionalComponent } from 'preact';
+
+interface IProps {
+  expiredDate: string;
+  reloadStatus: (doManualReload?: boolean) => void;
+}
+
+export const IsExpired: FunctionalComponent<IProps> = ({
+                                                         expiredDate,
+                                                         reloadStatus
+                                                       }) => {
+  return (
+    <div className={'sn-component'}>
+      <div className={'sk-app-bar no-edges no-top-edge dynamic-height'}>
+        <div className={'left'}>
+          <div className={'sk-app-bar-item'}>
+            <div className={'sk-app-bar-item-column'}>
+              <div className={'sk-circle danger small'} />
+            </div>
+            <div className={'sk-app-bar-item-column'}>
+              <div>
+                <a
+                  className={'sk-label sk-base'}
+                  href={'https://dashboard.standardnotes.com'}
+                  rel={'noopener'}
+                  target={'_blank'}
+                >
+                  Your Extended subscription expired on {expiredDate}
+                </a>
+                <div className={'sk-p'}>
+                  Extensions are in a read-only state.
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+        <div className={'right'}>
+          <div className={'sk-app-bar-item'} onClick={() => reloadStatus(true)}>
+            <button className={'sn-button small info'}>Reload</button>
+          </div>
+          <div className={'sk-app-bar-item'}>
+            <div className={'sk-app-bar-item-column'}>
+              <a
+                className={'sn-button small warning'}
+                href={'https://standardnotes.com/help/41/my-extensions-appear-as-expired-even-though-my-subscription-is-still-valid'}
+                rel={'noopener'}
+                target={'_blank'}
+              >
+                Help
+              </a>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/app/assets/javascripts/components/ComponentView/IssueOnLoading.tsx
+++ b/app/assets/javascripts/components/ComponentView/IssueOnLoading.tsx
@@ -0,0 +1,30 @@
+import { FunctionalComponent } from 'preact';
+
+interface IProps {
+  componentName: string;
+  reloadIframe: () => void;
+}
+
+export const IssueOnLoading: FunctionalComponent<IProps> = ({
+                                                              componentName,
+                                                              reloadIframe
+                                                            }) => {
+  return (
+    <div className={'sn-component'}>
+      <div className={'sk-app-bar no-edges no-top-edge dynamic-height'}>
+        <div className={'left'}>
+          <div className={'sk-app-bar-item'}>
+            <div className={'sk-label.warning'}>
+              There was an issue loading {componentName}
+            </div>
+          </div>
+        </div>
+        <div className={'right'}>
+          <div className={'sk-app-bar-item'} onClick={reloadIframe}>
+            <button className={'sn-button small info'}>Reload</button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/app/assets/javascripts/components/ComponentView/OfflineRestricted.tsx
+++ b/app/assets/javascripts/components/ComponentView/OfflineRestricted.tsx
@@ -0,0 +1,58 @@
+import { FunctionalComponent } from 'preact';
+
+interface IProps {
+  isReloading: boolean;
+  reloadStatus: (doManualReload?: boolean) => void;
+}
+
+export const OfflineRestricted: FunctionalComponent<IProps> = ({
+    isReloading,
+    reloadStatus
+  }) => {
+  return (
+    <div className={'sn-component'}>
+      <div className={'sk-panel static'}>
+        <div className={'sk-panel-content'}>
+          <div className={'sk-panel-section stretch'}>
+            <div className={'sk-panel-column'} />
+            <div className={'sk-h1 sk-bold'}>
+              You have restricted this extension to be used offline only.
+            </div>
+            <div className={'sk-subtitle'}>
+              Offline extensions are not available in the Web app.
+            </div>
+            <div className={'sk-panel-row'} />
+            <div className={'sk-panel-row'}>
+              <div className={'sk-panel-column'}>
+                <div className={'sk-p'}>
+                  You can either:
+                </div>
+                <ul>
+                  <li className={'sk-p'}>
+                          <span className={'font-bold'}>
+                            Enable the Hosted option for this extension by opening the 'Extensions' menu and{' '}
+                            toggling 'Use hosted when local is unavailable' under this extension's options.{' '}
+                            Then press Reload below.
+                          </span>
+                  </li>
+                  <li className={'sk-p'}>
+                    <span className={'font-bold'}>Use the Desktop application.</span>
+                  </li>
+                </ul>
+              </div>
+            </div>
+            <div className={'sk-panel-row'}>
+              {isReloading ?
+                <div className={'sk-spinner info small'} />
+                :
+                <button className={'sn-button small info'} onClick={() => reloadStatus()}>
+                  Reload
+                </button>
+              }
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/app/assets/javascripts/components/ComponentView/UrlMissing.tsx
+++ b/app/assets/javascripts/components/ComponentView/UrlMissing.tsx
@@ -0,0 +1,26 @@
+import { FunctionalComponent } from 'preact';
+
+interface IProps {
+  componentName: string;
+}
+
+export const UrlMissing: FunctionalComponent<IProps> = ({ componentName }) => {
+  return (
+    <div className={'sn-component'}>
+      <div className={'sk-panel static'}>
+        <div className={'sk-panel-content'}>
+          <div className={'sk-panel-section stretch'}>
+            <div className={'sk-panel-section-title'}>
+              This extension is not installed correctly.
+            </div>
+            <p>Please uninstall {componentName}, then re-install it.</p>
+            <p>
+              This issue can occur if you access Standard Notes using an older version of the app.{' '}
+              Ensure you are running at least version 2.1 on all platforms.
+            </p>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/app/assets/javascripts/components/ComponentView/index.tsx
+++ b/app/assets/javascripts/components/ComponentView/index.tsx
@@ -0,0 +1,367 @@
+import { ComponentAction, LiveItem, SNComponent } from '@node_modules/@standardnotes/snjs';
+import { WebApplication } from '@/ui_models/application';
+import { FunctionalComponent } from 'preact';
+import { toDirective } from '@/components/utils';
+import { useCallback, useEffect, useRef, useState } from 'preact/hooks';
+import { observer } from 'mobx-react-lite';
+import { isDesktopApplication } from '@/utils';
+import { RootScopeMessages } from '@/messages';
+import { OfflineRestricted } from '@/components/ComponentView/OfflineRestricted';
+import { UrlMissing } from '@/components/ComponentView/UrlMissing';
+import { IsDeprecated } from '@/components/ComponentView/IsDeprecated';
+import { IsExpired } from '@/components/ComponentView/IsExpired';
+import { IssueOnLoading } from '@/components/ComponentView/IssueOnLoading';
+import { AppState } from '@/ui_models/app_state';
+import { ComponentArea } from '@node_modules/@standardnotes/features';
+
+interface IProps {
+  application: WebApplication;
+  appState: AppState;
+  componentUuid: string;
+  onLoad?: (component: SNComponent) => void;
+  templateComponent?: SNComponent;
+  broadcast?: (...args: unknown[]) => unknown;
+  manualDealloc?: boolean;
+}
+
+/**
+ * The maximum amount of time we'll wait for a component
+ * to load before displaying error
+ */
+const MaxLoadThreshold = 4000;
+const VisibilityChangeKey = 'visibilitychange';
+const avoidFlickerTimeout = 7;
+
+export const ComponentView: FunctionalComponent<IProps> = observer(
+  ({
+     application,
+     appState,
+     onLoad,
+     componentUuid,
+     templateComponent,
+     broadcast,
+     manualDealloc = false
+   }) => {
+    const liveComponentRef = useRef<LiveItem<SNComponent> | null>(null);
+    const iframeRef = useRef<HTMLIFrameElement>(null);
+
+    const [isIssueOnLoading, setIsIssueOnLoading] = useState(false);
+    const [isLoading, setIsLoading] = useState(false);
+    const [isReloading, setIsReloading] = useState(false);
+    const [loadTimeout, setLoadTimeout] = useState<number | undefined>(undefined);
+    const [isExpired, setIsExpired] = useState(false);
+    const [isComponentValid, setIsComponentValid] = useState(true);
+    const [error, setError] = useState<'offline-restricted' | 'url-missing' | undefined>(undefined);
+    const [isDeprecated, setIsDeprecated] = useState(false);
+    const [deprecationMessage, setDeprecationMessage] = useState<string | undefined>(undefined);
+    const [isDeprecationMessageDismissed, setIsDeprecationMessageDismissed] = useState(false);
+    const [didAttemptReload, setDidAttemptReload] = useState(false);
+    const [component, setComponent] = useState<SNComponent | undefined>(undefined);
+
+    const getComponent = useCallback((): SNComponent => {
+      return (templateComponent || liveComponentRef.current?.item) as SNComponent;
+    }, [templateComponent]);
+
+    const reloadIframe = () => {
+      setTimeout(() => {
+        setIsReloading(true);
+        setTimeout(() => {
+          setIsReloading(false);
+        });
+      });
+    };
+
+    const reloadStatus = useCallback((doManualReload = true) => {
+      if (!component) {
+        return;
+      }
+
+      const offlineRestricted = component.offlineOnly && !isDesktopApplication();
+      const hasUrlError = function() {
+        if (isDesktopApplication()) {
+          return !component.local_url && !component.hasValidHostedUrl();
+        } else {
+          return !component.hasValidHostedUrl();
+        }
+      }();
+
+      setIsExpired(component.valid_until && component.valid_until <= new Date());
+
+      const readonlyState = application.componentManager!.getReadonlyStateForComponent(component);
+
+      if (!readonlyState.lockReadonly) {
+        application.componentManager!.setReadonlyStateForComponent(component, isExpired);
+      }
+      setIsComponentValid(!offlineRestricted && !hasUrlError);
+
+      if (!isComponentValid) {
+        setIsLoading(false);
+      }
+
+      if (offlineRestricted) {
+        setError('offline-restricted');
+      } else if (hasUrlError) {
+        setError('url-missing');
+      } else {
+        setError(undefined);
+      }
+      if (isExpired && doManualReload) {
+        broadcast?.(RootScopeMessages.ReloadExtendedData);
+      }
+      setIsDeprecated(component.isDeprecated);
+      setDeprecationMessage(component.package_info.deprecation_message);
+    }, [application.componentManager, broadcast, component, isComponentValid, isExpired]);
+
+    const dismissDeprecationMessage = () => {
+      setTimeout(() => {
+        setIsDeprecationMessageDismissed(true);
+      });
+    };
+
+    const onVisibilityChange = useCallback(() => {
+      if (document.visibilityState === 'hidden') {
+        return;
+      }
+      if (isIssueOnLoading) {
+        reloadIframe();
+      }
+    }, [isIssueOnLoading]);
+
+    const handleIframeLoadTimeout =useCallback(async () => {
+      if (isLoading) {
+        setIsLoading(false);
+        setIsIssueOnLoading(true);
+
+        if (!didAttemptReload) {
+          setDidAttemptReload(true);
+          reloadIframe();
+        } else {
+          document.addEventListener(
+            VisibilityChangeKey,
+            onVisibilityChange
+          );
+        }
+      }
+    }, [didAttemptReload, isLoading, onVisibilityChange]);
+
+    const handleIframeLoad = useCallback(async (iframe: HTMLIFrameElement) => {
+      if (!component) {
+        return;
+      }
+
+      let desktopError = false;
+      if (isDesktopApplication()) {
+        try {
+          /** Accessing iframe.contentWindow.origin only allowed in desktop app. */
+          if (!iframe.contentWindow!.origin || iframe.contentWindow!.origin === 'null') {
+            desktopError = true;
+          }
+          // eslint-disable-next-line no-empty
+        } catch (e) {
+        }
+      }
+      clearTimeout(loadTimeout);
+      await application.componentManager!.registerComponentWindow(
+        component,
+        iframe.contentWindow!
+      );
+
+      setTimeout(() => {
+        setIsLoading(false);
+        setIsIssueOnLoading(desktopError ? true : false);
+        onLoad?.(component!);
+      }, avoidFlickerTimeout);
+    }, [application.componentManager, component, loadTimeout, onLoad]);
+
+    const loadComponent = useCallback(() => {
+      if (!component) {
+        throw Error('Component view is missing component');
+      }
+
+      if (!component.active && !component.isEditor() && component.area !== ComponentArea.Modal) {
+        /** Editors don't need to be active to be displayed */
+        throw Error('Component view component must be active');
+      }
+
+      setIsLoading(true);
+      if (loadTimeout) {
+        clearTimeout(loadTimeout);
+      }
+      const timeoutHandler = setTimeout(() => {
+        handleIframeLoadTimeout();
+      }, MaxLoadThreshold);
+
+      setLoadTimeout(timeoutHandler);
+    }, [component, handleIframeLoadTimeout, loadTimeout]);
+
+    useEffect(() => {
+      if (!iframeRef.current) {
+        return;
+      }
+
+      iframeRef.current.onload = () => {
+        if (!component) {
+          return;
+        }
+
+        const iframe = application.componentManager!.iframeForComponent(
+          component.uuid
+        );
+        if (!iframe) {
+          return;
+        }
+
+        setTimeout(() => {
+          loadComponent();
+          reloadStatus();
+          handleIframeLoad(iframe);
+        });
+      };
+    }, [application.componentManager, component, handleIframeLoad, loadComponent, reloadStatus]);
+
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+    // @ts-ignore
+    const expiredDate = isExpired ? component.dateToLocalizedString(component.valid_until) : '';
+
+    const getUrl = () => {
+      const url = component ? application.componentManager!.urlForComponent(component) : '';
+      return url as string;
+    };
+
+    useEffect(() => {
+      if (componentUuid) {
+        liveComponentRef.current = new LiveItem(componentUuid, application);
+      } else {
+        application.componentManager.addTemporaryTemplateComponent(templateComponent as SNComponent);
+      }
+
+      return () => {
+        if (application.componentManager) {
+          /** Component manager Can be destroyed already via locking */
+          if (component) {
+            application.componentManager.onComponentIframeDestroyed(component.uuid);
+          }
+          if (templateComponent) {
+            application.componentManager.removeTemporaryTemplateComponent(templateComponent);
+          }
+        }
+
+        if (liveComponentRef.current) {
+          liveComponentRef.current.deinit();
+        }
+
+        document.removeEventListener(
+          VisibilityChangeKey,
+          onVisibilityChange
+        );
+      };
+    }, [appState, application, component, componentUuid, onVisibilityChange, reloadStatus, templateComponent]);
+
+    useEffect(() => {
+      // Set/update `component` based on `componentUuid` prop.
+      // It's a hint that the props were changed and we should rerender this component (and particularly, the iframe).
+      if (!component || component.uuid && componentUuid && component.uuid !== componentUuid) {
+        const latestComponentValue = getComponent();
+        setComponent(latestComponentValue);
+      }
+    }, [component, componentUuid, getComponent]);
+
+    useEffect(() => {
+      if (!component) {
+        return;
+      }
+
+      const unregisterComponentHandler = application.componentManager!.registerHandler({
+        identifier: 'component-view-' + Math.random(),
+        areas: [component.area],
+        actionHandler: (component, action, data) => {
+          switch (action) {
+            case (ComponentAction.SetSize):
+              application.componentManager!.handleSetSizeEvent(component, data);
+              break;
+            case (ComponentAction.KeyDown):
+              application.io.handleComponentKeyDown(data.keyboardModifier);
+              break;
+            case (ComponentAction.KeyUp):
+              application.io.handleComponentKeyUp(data.keyboardModifier);
+              break;
+            case (ComponentAction.Click):
+              application.getAppState().notes.setContextMenuOpen(false);
+              break;
+            default:
+              return;
+          }
+        }
+      });
+
+      return () => {
+        unregisterComponentHandler();
+      };
+    }, [application, component]);
+
+    useEffect(() => {
+      const unregisterDesktopObserver = application.getDesktopService()
+        .registerUpdateObserver((component: SNComponent) => {
+          if (component.uuid === component.uuid && component.active) {
+            reloadIframe();
+          }
+        });
+
+      return () => {
+        unregisterDesktopObserver();
+      };
+    }, [application]);
+
+    if (!component) {
+      return null;
+    }
+
+    return (
+      <>
+        {isIssueOnLoading && (
+          <IssueOnLoading
+            componentName={component.name}
+            reloadIframe={reloadIframe}
+          />
+        )}
+        {isExpired && (
+          <IsExpired expiredDate={expiredDate} reloadStatus={reloadStatus} />
+        )}
+        {isDeprecated && !isDeprecationMessageDismissed && (
+          <IsDeprecated
+            deprecationMessage={deprecationMessage}
+            dismissDeprecationMessage={dismissDeprecationMessage}
+          />
+        )}
+        {error == 'offline-restricted' && (
+          <OfflineRestricted isReloading={isReloading} reloadStatus={reloadStatus} />
+        )}
+        {error == 'url-missing' && (
+          <UrlMissing componentName={component.name} />
+        )}
+        {component.uuid && !isReloading && isComponentValid && (
+          <iframe
+            ref={iframeRef}
+            data-component-id={component.uuid}
+            frameBorder={0}
+            data-attr-id={`component-iframe-${component.uuid}`}
+            src={getUrl()}
+            sandbox='allow-scripts allow-top-navigation-by-user-activation allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-modals allow-forms allow-downloads'
+          >
+            Loading
+          </iframe>
+        )}
+        {isLoading && (
+          <div className={'loading-overlay'} />
+        )}
+      </>
+    );
+  });
+
+export const ComponentViewDirective = toDirective<IProps>(ComponentView, {
+  onLoad: '=',
+  componentUuid: '=',
+  templateComponent: '=',
+  broadcast: '=',
+  manualDealloc: '='
+});
--- a/app/assets/javascripts/components/Icon.tsx
+++ b/app/assets/javascripts/components/Icon.tsx
@@ -50,6 +50,7 @@ import EyeOffIcon from '../../icons/ic-eye-off.svg';
 import LockIcon from '../../icons/ic-lock.svg';
 import ArrowsSortUpIcon from '../../icons/ic-arrows-sort-up.svg';
 import ArrowsSortDownIcon from '../../icons/ic-arrows-sort-down.svg';
+import WindowIcon from '../../icons/ic-window.svg';

 import { toDirective } from './utils';
 import { FunctionalComponent } from 'preact';
@@ -106,6 +107,7 @@ const ICONS = {
  'check-bold': CheckBoldIcon,
  'account-circle': AccountCircleIcon,
  'menu-arrow-down': MenuArrowDownIcon,
+  window: WindowIcon
 };

 export type IconType = keyof typeof ICONS;
--- a/app/assets/javascripts/directives/views/componentView.ts
+++ b/app/assets/javascripts/directives/views/componentView.ts
@@ -1,294 +0,0 @@
-import { RootScopeMessages } from './../../messages';
-import { WebApplication } from '@/ui_models/application';
-import { SNComponent, ComponentAction, LiveItem } from '@standardnotes/snjs';
-import { WebDirective } from './../../types';
-import template from '%/directives/component-view.pug';
-import { isDesktopApplication } from '../../utils';
-/**
- * The maximum amount of time we'll wait for a component
- * to load before displaying error
- */
-const MaxLoadThreshold = 4000;
-const VisibilityChangeKey = 'visibilitychange';
-
-interface ComponentViewScope {
-  componentUuid: string
-  onLoad?: (component: SNComponent) => void
-  application: WebApplication
-}
-
-class ComponentViewCtrl implements ComponentViewScope {
-
-  /** @scope */
-  onLoad?: (component: SNComponent) => void
-  componentUuid!: string
-  templateComponent!: SNComponent
-  application!: WebApplication
-  liveComponent!: LiveItem<SNComponent>
-
-  private $rootScope: ng.IRootScopeService
-  private $timeout: ng.ITimeoutService
-  private componentValid = true
-  private cleanUpOn: () => void
-  private unregisterComponentHandler!: () => void
-  private unregisterDesktopObserver!: () => void
-  private issueLoading = false
-  private isDeprecated = false
-  private deprecationMessage: string | undefined = undefined
-  private deprecationMessageDismissed = false
-  public reloading = false
-  private expired = false
-  private loading = false
-  private didAttemptReload = false
-  public error: 'offline-restricted' | 'url-missing' | undefined
-  private loadTimeout: any
-
-  /* @ngInject */
-  constructor(
-    $scope: ng.IScope,
-    $rootScope: ng.IRootScopeService,
-    $timeout: ng.ITimeoutService,
-  ) {
-    this.$rootScope = $rootScope;
-    this.$timeout = $timeout;
-    this.cleanUpOn = $scope.$on('ext-reload-complete', () => {
-      this.reloadStatus(false);
-    });
-    /** To allow for registering events */
-    this.onVisibilityChange = this.onVisibilityChange.bind(this);
-  }
-
-  $onDestroy() {
-    if(this.application.componentManager) {
-      /** Component manager Can be destroyed already via locking */
-      this.application.componentManager.onComponentIframeDestroyed(this.component.uuid);
-      if(this.templateComponent) {
-        this.application.componentManager.removeTemporaryTemplateComponent(this.templateComponent);
-      }
-    }
-    if(this.liveComponent) {
-      this.liveComponent.deinit();
-    }
-    this.cleanUpOn();
-    (this.cleanUpOn as any) = undefined;
-    this.unregisterComponentHandler();
-    (this.unregisterComponentHandler as any) = undefined;
-    this.unregisterDesktopObserver();
-    (this.unregisterDesktopObserver as any) = undefined;
-    (this.templateComponent as any) = undefined;
-    (this.liveComponent as any) = undefined;
-    (this.application as any) = undefined;
-    (this.onVisibilityChange as any) = undefined;
-    this.onLoad = undefined;
-    document.removeEventListener(
-      VisibilityChangeKey,
-      this.onVisibilityChange
-    );
-  }
-
-  $onInit() {
-    if(this.componentUuid) {
-      this.liveComponent = new LiveItem(this.componentUuid, this.application);
-    } else {
-      this.application.componentManager.addTemporaryTemplateComponent(this.templateComponent);
-    }
-    this.registerComponentHandlers();
-    this.registerPackageUpdateObserver();
-  }
-
-  get component() {
-    return this.templateComponent || this.liveComponent?.item;
-  }
-
-  /** @template */
-  public onIframeInit() {
-    /** Perform in timeout required so that dynamic iframe id is set (based on ctrl values) */
-    this.$timeout(() => {
-      this.loadComponent();
-    });
-  }
-
-  private loadComponent() {
-    if (!this.component) {
-      throw Error('Component view is missing component');
-    }
-    if (!this.component.active && !this.component.isEditor()) {
-      /** Editors don't need to be active to be displayed */
-      throw Error('Component view component must be active');
-    }
-    const iframe = this.application.componentManager!.iframeForComponent(
-      this.component.uuid
-    );
-    if (!iframe) {
-      return;
-    }
-    this.loading = true;
-    if (this.loadTimeout) {
-      this.$timeout.cancel(this.loadTimeout);
-    }
-    this.loadTimeout = this.$timeout(() => {
-      this.handleIframeLoadTimeout();
-    }, MaxLoadThreshold);
-    iframe.onload = () => {
-      this.reloadStatus();
-      this.handleIframeLoad(iframe);
-    };
-  }
-
-  private registerPackageUpdateObserver() {
-    this.unregisterDesktopObserver = this.application.getDesktopService()
-      .registerUpdateObserver((component: SNComponent) => {
-        if (component.uuid === this.component.uuid && component.active) {
-          this.reloadIframe();
-        }
-      });
-  }
-
-  private registerComponentHandlers() {
-    this.unregisterComponentHandler = this.application.componentManager!.registerHandler({
-      identifier: 'component-view-' + Math.random(),
-      areas: [this.component.area],
-      actionHandler: (component, action, data) => {
-        switch (action) {
-          case (ComponentAction.SetSize):
-            this.application.componentManager!.handleSetSizeEvent(component, data);
-            break;
-          case (ComponentAction.KeyDown):
-            this.application.io.handleComponentKeyDown(data.keyboardModifier);
-            break;
-          case (ComponentAction.KeyUp):
-            this.application.io.handleComponentKeyUp(data.keyboardModifier);
-            break;
-          case (ComponentAction.Click):
-            this.application.getAppState().notes.setContextMenuOpen(false);
-            break;
-          default:
-            return;
-        }
-      }
-    });
-  }
-
-  private reloadIframe() {
-    this.$timeout(() => {
-      this.reloading = true;
-      this.$timeout(() => {
-        this.reloading = false;
-      });
-    });
-  }
-
-  private dismissDeprecationMessage() {
-    this.$timeout(() => {
-      this.deprecationMessageDismissed = true;
-    });
-  }
-
-  private onVisibilityChange() {
-    if (document.visibilityState === 'hidden') {
-      return;
-    }
-    if (this.issueLoading) {
-      this.reloadIframe();
-    }
-  }
-
-  public reloadStatus(doManualReload = true) {
-    const component = this.component;
-    const offlineRestricted = component.offlineOnly && !isDesktopApplication();
-    const hasUrlError = function () {
-      if (isDesktopApplication()) {
-        return !component.local_url && !component.hasValidHostedUrl();
-      } else {
-        return !component.hasValidHostedUrl();
-      }
-    }();
-    this.expired = component.valid_until && component.valid_until <= new Date();
-    const readonlyState = this.application.componentManager!
-      .getReadonlyStateForComponent(component);
-    if (!readonlyState.lockReadonly) {
-      this.application.componentManager!
-        .setReadonlyStateForComponent(component, this.expired);
-    }
-    this.componentValid = !offlineRestricted && !hasUrlError;
-    if (!this.componentValid) {
-      this.loading = false;
-    }
-    if (offlineRestricted) {
-      this.error = 'offline-restricted';
-    } else if (hasUrlError) {
-      this.error = 'url-missing';
-    } else {
-      this.error = undefined;
-    }
-    if (this.expired && doManualReload) {
-      this.$rootScope.$broadcast(RootScopeMessages.ReloadExtendedData);
-    }
-    this.isDeprecated = component.isDeprecated;
-    this.deprecationMessage = component.package_info.deprecation_message;
-  }
-
-  private async handleIframeLoadTimeout() {
-    if (this.loading) {
-      this.loading = false;
-      this.issueLoading = true;
-      if (!this.didAttemptReload) {
-        this.didAttemptReload = true;
-        this.reloadIframe();
-      } else {
-        document.addEventListener(
-          VisibilityChangeKey,
-          this.onVisibilityChange
-        );
-      }
-    }
-  }
-
-  private async handleIframeLoad(iframe: HTMLIFrameElement) {
-    let desktopError = false;
-    if (isDesktopApplication()) {
-      try {
-        /** Accessing iframe.contentWindow.origin only allowed in desktop app. */
-        if (!iframe.contentWindow!.origin || iframe.contentWindow!.origin === 'null') {
-          desktopError = true;
-        }
-      // eslint-disable-next-line no-empty
-      } catch (e) { }
-    }
-    this.$timeout.cancel(this.loadTimeout);
-    await this.application.componentManager!.registerComponentWindow(
-      this.component,
-      iframe.contentWindow!
-    );
-    const avoidFlickerTimeout = 7;
-    this.$timeout(() => {
-      this.loading = false;
-      // eslint-disable-next-line no-unneeded-ternary
-      this.issueLoading = desktopError ? true : false;
-      this.onLoad && this.onLoad(this.component!);
-    }, avoidFlickerTimeout);
-  }
-
-  /** @template */
-  public getUrl() {
-    const url = this.application.componentManager!.urlForComponent(this.component);
-    return url;
-  }
-}
-
-export class ComponentView extends WebDirective {
-  constructor() {
-    super();
-    this.restrict = 'E';
-    this.template = template;
-    this.scope = {
-      componentUuid: '=',
-      templateComponent: '=?',
-      onLoad: '=?',
-      application: '='
-    };
-    this.controller = ComponentViewCtrl;
-    this.controllerAs = 'ctrl';
-    this.bindToController = true;
-  }
-}
--- a/app/assets/javascripts/directives/views/index.ts
+++ b/app/assets/javascripts/directives/views/index.ts
@@ -1,6 +1,5 @@
 export { ActionsMenu } from './actionsMenu';
 export { ComponentModal } from './componentModal';
-export { ComponentView } from './componentView';
 export { EditorMenu } from './editorMenu';
 export { InputModal } from './inputModal';
 export { MenuRow } from './menuRow';
--- a/app/assets/javascripts/preferences/PreferencesMenu.ts
+++ b/app/assets/javascripts/preferences/PreferencesMenu.ts
@@ -1,5 +1,10 @@
 import { IconType } from '@/components/Icon';
-import { makeAutoObservable, observable } from 'mobx';
+import { action, makeAutoObservable, observable } from 'mobx';
+import { ExtensionsLatestVersions } from '@/preferences/panes/extensions-segments';
+import { ContentType, SNComponent } from '@node_modules/@standardnotes/snjs';
+import { WebApplication } from '@/ui_models/application';
+import { FeatureIdentifier } from '@node_modules/@standardnotes/features/dist/Domain/Feature/FeatureIdentifier';
+import { ComponentArea } from '@standardnotes/snjs';

 const PREFERENCE_IDS = [
  'general',
@@ -16,11 +21,15 @@ const PREFERENCE_IDS = [

 export type PreferenceId = typeof PREFERENCE_IDS[number];
 interface PreferencesMenuItem {
-  readonly id: PreferenceId;
+  readonly id: PreferenceId | FeatureIdentifier;
  readonly icon: IconType;
  readonly label: string;
 }

+interface SelectableMenuItem extends PreferencesMenuItem {
+  selected: boolean;
+}
+
 /**
 * Items are in order of appearance
 */
@@ -46,38 +55,93 @@ const READY_PREFERENCES_MENU_ITEMS: PreferencesMenuItem[] = [
 ];

 export class PreferencesMenu {
-  private _selectedPane: PreferenceId = 'account';
+  private _selectedPane: PreferenceId | FeatureIdentifier = 'account';
+  private _extensionPanes: SNComponent[] = [];
  private _menu: PreferencesMenuItem[];
+  private _extensionLatestVersions: ExtensionsLatestVersions = new ExtensionsLatestVersions(new Map());

  constructor(
+    private application: WebApplication,
    private readonly _enableUnfinishedFeatures: boolean,
  ) {
    this._menu = this._enableUnfinishedFeatures ? PREFERENCES_MENU_ITEMS : READY_PREFERENCES_MENU_ITEMS;
-    makeAutoObservable<PreferencesMenu, '_selectedPane' | '_twoFactorAuth'>(
+
+    this.loadExtensionsPanes();
+    this.loadLatestVersions();
+
+    makeAutoObservable<PreferencesMenu,
+      '_selectedPane' | '_twoFactorAuth' | '_extensionPanes' | '_extensionLatestVersions' | 'loadLatestVersions'
+      >(
      this,
      {
        _twoFactorAuth: observable,
        _selectedPane: observable,
+        _extensionPanes: observable.ref,
+        _extensionLatestVersions: observable.ref,
+        loadLatestVersions: action,
      }
    );
  }

-  get menuItems(): (PreferencesMenuItem & {
-    selected: boolean;
-  })[] {
-    return this._menu.map((p) => ({
-      ...p,
-      selected: p.id === this._selectedPane,
+  private loadLatestVersions(): void {
+    ExtensionsLatestVersions.load(this.application).then(versions => {
+      this._extensionLatestVersions = versions;
+    });
+  }
+
+  get extensionsLatestVersions(): ExtensionsLatestVersions {
+    return this._extensionLatestVersions;
+  }
+
+  loadExtensionsPanes(): void {
+    this._extensionPanes = (this.application.getItems([
+      ContentType.ActionsExtension,
+      ContentType.Component,
+      ContentType.Theme,
+    ]) as SNComponent[])
+      .filter(extension => extension.area === ComponentArea.Modal && extension.package_info.identifier !== FeatureIdentifier.TwoFactorAuthManager);
+  }
+
+  get menuItems(): SelectableMenuItem[] {
+    const menuItems = this._menu.map((preference) => ({
+      ...preference,
+      selected: preference.id === this._selectedPane,
    }));
+    const extensionsMenuItems: SelectableMenuItem[] = this._extensionPanes
+      .map(extension => {
+        return {
+          icon: 'window',
+          id: extension.package_info.identifier,
+          label: extension.name,
+          selected: extension.package_info.identifier === this._selectedPane
+      };
+      });
+
+    return menuItems.concat(extensionsMenuItems);
  }

-  get selectedPaneId(): PreferenceId {
-    return (
-      this._menu.find((item) => item.id === this._selectedPane)?.id ?? 'account'
-    );
+  get selectedMenuItem(): PreferencesMenuItem | undefined {
+    return this._menu.find((item) => item.id === this._selectedPane);
  }

-  selectPane(key: PreferenceId): void {
+  get selectedExtension(): SNComponent | undefined {
+    return this._extensionPanes.find((extension) =>
+      extension.package_info.identifier === this._selectedPane);
+  }
+
+  get selectedPaneId(): PreferenceId | FeatureIdentifier {
+    if (this.selectedMenuItem != undefined) {
+      return this.selectedMenuItem.id;
+    }
+
+    if (this.selectedExtension != undefined) {
+      return this.selectedExtension.package_info.identifier;
+    }
+
+    return 'account';
+  }
+
+  selectPane(key: PreferenceId | FeatureIdentifier): void {
    this._selectedPane = key;
  }
 }
--- a/app/assets/javascripts/preferences/PreferencesView.tsx
+++ b/app/assets/javascripts/preferences/PreferencesView.tsx
@@ -9,6 +9,7 @@ import {
  Security,
 } from './panes';
 import { observer } from 'mobx-react-lite';
+
 import { PreferencesMenu } from './PreferencesMenu';
 import { PreferencesMenuView } from './PreferencesMenuView';
 import { WebApplication } from '@/ui_models/application';
@@ -16,6 +17,7 @@ import { MfaProps } from './panes/two-factor-auth/MfaProps';
 import { AppState } from '@/ui_models/app_state';
 import { useEffect, useMemo } from 'preact/hooks';
 import { Extensions } from './panes/Extensions';
+import { ExtensionPane } from './panes/ExtensionPane';

 interface PreferencesProps extends MfaProps {
  application: WebApplication;
@@ -25,44 +27,64 @@ interface PreferencesProps extends MfaProps {

 const PaneSelector: FunctionComponent<
  PreferencesProps & { menu: PreferencesMenu }
-> = observer((props) => {
-  switch (props.menu.selectedPaneId) {
-    case 'general':
-      return (
-        <General appState={props.appState} application={props.application} />
-      );
-    case 'account':
-      return (
-        <AccountPreferences
-          application={props.application}
-          appState={props.appState}
-        />
-      );
-    case 'appearance':
-      return null;
-    case 'security':
-      return (
-        <Security
-          mfaProvider={props.mfaProvider}
-          userProvider={props.userProvider}
-          appState={props.appState}
-          application={props.application}
-        />
-      );
-    case 'extensions':
-      return <Extensions application={props.application} />;
-    case 'listed':
-      return <Listed application={props.application} />;
-    case 'shortcuts':
-      return null;
-    case 'accessibility':
-      return null;
-    case 'get-free-month':
-      return null;
-    case 'help-feedback':
-      return <HelpAndFeedback />;
-  }
-});
+> = observer(
+  ({
+     menu,
+     appState,
+     application,
+     mfaProvider,
+     userProvider
+   }) => {
+    switch (menu.selectedPaneId) {
+      case 'general':
+        return (
+          <General appState={appState} application={application} />
+        );
+      case 'account':
+        return (
+          <AccountPreferences
+            application={application}
+            appState={appState}
+          />
+        );
+      case 'appearance':
+        return null;
+      case 'security':
+        return (
+          <Security
+            mfaProvider={mfaProvider}
+            userProvider={userProvider}
+            appState={appState}
+            application={application}
+          />
+        );
+      case 'extensions':
+        return <Extensions application={application} extensionsLatestVersions={menu.extensionsLatestVersions} />;
+      case 'listed':
+        return <Listed application={application} />;
+      case 'shortcuts':
+        return null;
+      case 'accessibility':
+        return null;
+      case 'get-free-month':
+        return null;
+      case 'help-feedback':
+        return <HelpAndFeedback />;
+      default:
+        if (menu.selectedExtension != undefined) {
+          return (
+            <ExtensionPane
+              application={application}
+              appState={appState}
+              extension={menu.selectedExtension}
+              preferencesMenu={menu}
+            />
+          );
+        } else {
+          return <General appState={appState} application={application} />;
+        }
+    }
+  });

 const PreferencesCanvas: FunctionComponent<
  PreferencesProps & { menu: PreferencesMenu }
@@ -75,9 +97,9 @@ const PreferencesCanvas: FunctionComponent<

 export const PreferencesView: FunctionComponent<PreferencesProps> = observer(
  (props) => {
-    const menu = useMemo(() => new PreferencesMenu(props.appState.enableUnfinishedFeatures), [
-      props.appState.enableUnfinishedFeatures
-    ]);
+    const menu = useMemo(
+      () => new PreferencesMenu(props.application, props.appState.enableUnfinishedFeatures),
+      [props.appState.enableUnfinishedFeatures, props.application]);

    useEffect(() => {
      menu.selectPane(props.appState.preferences.currentPane);
--- a/app/assets/javascripts/preferences/panes/ExtensionPane.tsx
+++ b/app/assets/javascripts/preferences/panes/ExtensionPane.tsx
@@ -0,0 +1,47 @@
+import { PreferencesGroup, PreferencesSegment } from "@/preferences/components";
+import { WebApplication } from "@/ui_models/application";
+import { SNComponent } from "@standardnotes/snjs/dist/@types";
+import { observer } from "mobx-react-lite";
+import { FunctionComponent } from "preact";
+import { ExtensionItem } from "./extensions-segments";
+import { ComponentView } from '@/components/ComponentView';
+import { AppState } from '@/ui_models/app_state';
+import { PreferencesMenu } from '@/preferences/PreferencesMenu';
+
+interface IProps {
+  application: WebApplication;
+  appState: AppState;
+  extension: SNComponent;
+  preferencesMenu: PreferencesMenu;
+}
+
+export const ExtensionPane: FunctionComponent<IProps> = observer(
+  ({ extension, application, appState, preferencesMenu }) => {
+    const latestVersion = preferencesMenu.extensionsLatestVersions.getVersion(extension);
+
+    return (
+      <div className="preferences-extension-pane color-foreground flex-grow flex flex-row overflow-y-auto min-h-0">
+        <div className="flex-grow flex flex-col py-6 items-center">
+          <div className="w-200 max-w-200 flex flex-col">
+            <PreferencesGroup>
+              <ExtensionItem
+                application={application}
+                extension={extension}
+                first={false}
+                uninstall={() => application.deleteItem(extension).then(() => preferencesMenu.loadExtensionsPanes())}
+                toggleActivate={() => application.toggleComponent(extension).then(() => preferencesMenu.loadExtensionsPanes())}
+                latestVersion={latestVersion}
+              />
+              <PreferencesSegment>
+                <ComponentView
+                  application={application}
+                  appState={appState}
+                  componentUuid={extension.uuid}
+                />
+              </PreferencesSegment>
+            </PreferencesGroup>
+          </div>
+        </div>
+      </div>
+    );
+  });
--- a/app/assets/javascripts/preferences/panes/Extensions.tsx
+++ b/app/assets/javascripts/preferences/panes/Extensions.tsx
@@ -9,9 +9,9 @@ import {
  PreferencesPane,
  PreferencesSegment,
 } from '../components';
-import { ConfirmCustomExtension, ExtensionItem } from './extensions-segments';
+import { ConfirmCustomExtension, ExtensionItem, ExtensionsLatestVersions } from './extensions-segments';
 import { useEffect, useRef, useState } from 'preact/hooks';
-import { FeatureDescription } from '@standardnotes/features';
+import { observer } from 'mobx-react-lite';

 const loadExtensions = (application: WebApplication) => application.getItems([
  ContentType.ActionsExtension,
@@ -19,30 +19,14 @@ const loadExtensions = (application: WebApplication) => application.getItems([
  ContentType.Theme,
 ]) as SNComponent[];

-function collectFeatures(features: FeatureDescription[] | undefined, versionMap: Map<string, string>) {
-  if (features == undefined) return;
-  for (const feature of features) {
-    versionMap.set(feature.identifier, feature.version);
-  }
-}
-
-const loadLatestVersions = (application: WebApplication) => application.getAvailableSubscriptions()
-  .then(subscriptions => {
-    const versionMap: Map<string, string> = new Map();
-    collectFeatures(subscriptions?.CORE_PLAN?.features, versionMap);
-    collectFeatures(subscriptions?.PLUS_PLAN?.features, versionMap);
-    collectFeatures(subscriptions?.PRO_PLAN?.features, versionMap);
-    return versionMap;
-  });
-
 export const Extensions: FunctionComponent<{
  application: WebApplication
-}> = ({ application }) => {
+  extensionsLatestVersions: ExtensionsLatestVersions,
+}> = observer(({ application, extensionsLatestVersions }) => {

  const [customUrl, setCustomUrl] = useState('');
  const [confirmableExtension, setConfirmableExtension] = useState<SNComponent | undefined>(undefined);
  const [extensions, setExtensions] = useState(loadExtensions(application));
-  const [latestVersions, setLatestVersions] = useState<Map<string, string> | undefined>(undefined);

  const confirmableEnd = useRef<HTMLDivElement>(null);

@@ -52,12 +36,6 @@ export const Extensions: FunctionComponent<{
    }
  }, [confirmableExtension, confirmableEnd]);

-  useEffect(() => {
-    if (!latestVersions) {
-      loadLatestVersions(application).then(versions => setLatestVersions(versions));
-    }
-  }, [latestVersions, application]);
-
  const uninstallExtension = async (extension: SNComponent) => {
    await application.deleteItem(extension);
    setExtensions(loadExtensions(application));
@@ -94,12 +72,13 @@ export const Extensions: FunctionComponent<{
        <PreferencesGroup>
          {
            extensions
+              .filter(extension => !['modal', 'rooms'].includes(extension.area))
              .sort((e1, e2) => e1.name.toLowerCase().localeCompare(e2.name.toLowerCase()))
              .map((extension, i) => (
                <ExtensionItem
                  application={application}
                  extension={extension}
-                  latestVersion={latestVersions?.get(extension.package_info.identifier)}
+                  latestVersion={extensionsLatestVersions.getVersion(extension)}
                  first={i === 0}
                  uninstall={uninstallExtension}
                  toggleActivate={toggleActivateExtension} />
@@ -140,4 +119,4 @@ export const Extensions: FunctionComponent<{
      </PreferencesGroup>
    </PreferencesPane>
  );
-};
+});
--- a/app/assets/javascripts/preferences/panes/extensions-segments/ExtensionItem.tsx
+++ b/app/assets/javascripts/preferences/panes/extensions-segments/ExtensionItem.tsx
@@ -6,6 +6,7 @@ import { Switch } from "@/components/Switch";
 import { WebApplication } from "@/ui_models/application";
 import { useEffect, useRef, useState } from "preact/hooks";
 import { Button } from "@/components/Button";
+import { RenameExtension } from "./RenameExtension";

 const ExtensionVersions: FunctionComponent<{
  installedVersion: string,
@@ -37,161 +38,108 @@ const UseHosted: FunctionComponent<{
  </div>
 );

-const RenameExtension: FunctionComponent<{
-  extensionName: string, changeName: (newName: string) => void
-}> = ({ extensionName, changeName }) => {
-  const [isRenaming, setIsRenaming] = useState(false);
-  const [newExtensionName, setNewExtensionName] = useState<string>(extensionName);
-
-  const inputRef = useRef<HTMLInputElement>(null);
-
-  useEffect(() => {
-    if (isRenaming) {
-      inputRef.current!.focus();
-    }
-  }, [inputRef, isRenaming]);
-
-  const startRenaming = () => {
-    setNewExtensionName(extensionName);
-    setIsRenaming(true);
-  };
-
-  const cancelRename = () => {
-    setNewExtensionName(extensionName);
-    setIsRenaming(false);
-  };
-
-  const confirmRename = () => {
-    if (newExtensionName == undefined || newExtensionName === '') {
-      return;
-    }
-    changeName(newExtensionName);
-    setIsRenaming(false);
-  };
-
-  return (
-    <div className="flex flex-row mr-3 items-center">
-      <input
-        ref={inputRef}
-        disabled={!isRenaming}
-        autocomplete='off'
-        className="flex-grow text-base font-bold no-border bg-default px-0 color-text"
-        type="text"
-        value={newExtensionName}
-        onChange={({ target: input }) => setNewExtensionName((input as HTMLInputElement)?.value)}
-      />
-      <div className="min-w-3" />
-      {isRenaming ?
-        <>
-          <a className="pt-1 cursor-pointer" onClick={confirmRename}>Confirm</a>
-          <div className="min-w-3" />
-          <a className="pt-1 cursor-pointer" onClick={cancelRename}>Cancel</a>
-        </> :
-        <a className="pt-1 cursor-pointer" onClick={startRenaming}>Rename</a>
-      }
-    </div>
-  );
-};
-
-export const ExtensionItem: FunctionComponent<{
+export interface ExtensionItemProps {
  application: WebApplication,
  extension: SNComponent,
  first: boolean,
  latestVersion: string | undefined,
  uninstall: (extension: SNComponent) => void,
-  toggleActivate: (extension: SNComponent) => void,
-}> = ({ application, extension, first, uninstall, toggleActivate, latestVersion }) => {
+  toggleActivate?: (extension: SNComponent) => void,
+}
+
+export const ExtensionItem: FunctionComponent<ExtensionItemProps> =
+  ({ application, extension, first, uninstall, toggleActivate, latestVersion }) => {
  const [autoupdateDisabled, setAutoupdateDisabled] = useState(extension.autoupdateDisabled ?? false);
  const [offlineOnly, setOfflineOnly] = useState(extension.offlineOnly ?? false);
  const [extensionName, setExtensionName] = useState(extension.name);

-  const toggleAutoupdate = () => {
-    const newAutoupdateValue = !autoupdateDisabled;
-    setAutoupdateDisabled(newAutoupdateValue);
-    application
-      .changeAndSaveItem(extension.uuid, (m: any) => {
-        if (m.content == undefined) m.content = {};
-        m.content.autoupdateDisabled = newAutoupdateValue;
-      })
-      .then((item) => {
-        const component = (item as SNComponent);
-        setAutoupdateDisabled(component.autoupdateDisabled);
-      })
-      .catch(e => {
-        console.error(e);
-      });
+    const toggleAutoupdate = () => {
+      const newAutoupdateValue = !autoupdateDisabled;
+      setAutoupdateDisabled(newAutoupdateValue);
+      application
+        .changeAndSaveItem(extension.uuid, (m: any) => {
+          if (m.content == undefined) m.content = {};
+          m.content.autoupdateDisabled = newAutoupdateValue;
+        })
+        .then((item) => {
+          const component = (item as SNComponent);
+          setAutoupdateDisabled(component.autoupdateDisabled);
+        })
+        .catch(e => {
+          console.error(e);
+        });
+    };
+
+    const toggleOffllineOnly = () => {
+      const newOfflineOnly = !offlineOnly;
+      setOfflineOnly(newOfflineOnly);
+      application
+        .changeAndSaveItem(extension.uuid, (m: any) => {
+          if (m.content == undefined) m.content = {};
+          m.content.offlineOnly = newOfflineOnly;
+        })
+        .then((item) => {
+          const component = (item as SNComponent);
+          setOfflineOnly(component.offlineOnly);
+        })
+        .catch(e => {
+          console.error(e);
+        });
+    };
+
+    const changeExtensionName = (newName: string) => {
+      setExtensionName(newName);
+      application
+        .changeAndSaveItem(extension.uuid, (m: any) => {
+          if (m.content == undefined) m.content = {};
+          m.content.name = newName;
+        })
+        .then((item) => {
+          const component = (item as SNComponent);
+          setExtensionName(component.name);
+        });
+    };
+
+    const localInstallable = extension.package_info.download_url;
+
+    const isExternal = !extension.package_info.identifier.startsWith('org.standardnotes.');
+
+    const installedVersion = extension.package_info.version;
+
+    const isEditorOrTags = ['editor-stack', 'tags-list'].includes(extension.area);
+
+    return (
+      <PreferencesSegment>
+        {first && <>
+          <Title>Extensions</Title>
+          <div className="w-full min-h-3" />
+        </>}
+
+        <RenameExtension extensionName={extensionName} changeName={changeExtensionName} />
+        <div className="min-h-2" />
+
+        <ExtensionVersions installedVersion={installedVersion} latestVersion={latestVersion} />
+
+        {localInstallable && <AutoUpdateLocal autoupdateDisabled={autoupdateDisabled} toggleAutoupdate={toggleAutoupdate} />}
+        {localInstallable && <UseHosted offlineOnly={offlineOnly} toggleOfllineOnly={toggleOffllineOnly} />}
+
+        {isEditorOrTags || isExternal &&
+          <>
+            <div className="min-h-2" />
+            <div className="flex flex-row">
+              {isEditorOrTags && toggleActivate != undefined && (
+                <>
+                  {extension.active ?
+                    <Button className="min-w-20" type="normal" label="Deactivate" onClick={() => toggleActivate(extension)} /> :
+                    <Button className="min-w-20" type="normal" label="Activate" onClick={() => toggleActivate(extension)} />
+                  }
+                  <div className="min-w-3" />
+                </>
+              )}
+              {isExternal && <Button className="min-w-20" type="normal" label="Uninstall" onClick={() => uninstall(extension)} />}
+            </div>
+          </>
+        }
+      </PreferencesSegment >
+    );
  };
-
-  const toggleOffllineOnly = () => {
-    const newOfflineOnly = !offlineOnly;
-    setOfflineOnly(newOfflineOnly);
-    application
-      .changeAndSaveItem(extension.uuid, (m: any) => {
-        if (m.content == undefined) m.content = {};
-        m.content.offlineOnly = newOfflineOnly;
-      })
-      .then((item) => {
-        const component = (item as SNComponent);
-        setOfflineOnly(component.offlineOnly);
-      })
-      .catch(e => {
-        console.error(e);
-      });
-  };
-
-  const changeExtensionName = (newName: string) => {
-    setExtensionName(newName);
-    application
-      .changeAndSaveItem(extension.uuid, (m: any) => {
-        if (m.content == undefined) m.content = {};
-        m.content.name = newName;
-      })
-      .then((item) => {
-        const component = (item as SNComponent);
-        setExtensionName(component.name);
-      });
-  };
-
-  const localInstallable = extension.package_info.download_url;
-
-  const isExternal = !extension.package_info.identifier.startsWith('org.standardnotes.');
-
-  const installedVersion = extension.package_info.version;
-
-  const isEditorOrTags = ['editor-stack', 'tags-list'].includes(extension.area);
-
-  return (
-    <PreferencesSegment>
-      {first && <>
-        <Title>Extensions</Title>
-        <div className="w-full min-h-3" />
-      </>}
-
-      <RenameExtension extensionName={extensionName} changeName={changeExtensionName} />
-      <div className="min-h-2" />
-
-      <ExtensionVersions installedVersion={installedVersion} latestVersion={latestVersion} />
-
-      {localInstallable && <AutoUpdateLocal autoupdateDisabled={autoupdateDisabled} toggleAutoupdate={toggleAutoupdate} />}
-      {localInstallable && <UseHosted offlineOnly={offlineOnly} toggleOfllineOnly={toggleOffllineOnly} />}
-
-      {isEditorOrTags || isExternal &&
-        <>
-          <div className="min-h-2" />
-          <div className="flex flex-row">
-            {isEditorOrTags && (
-              <>
-                {extension.active ?
-                  <Button className="min-w-20" type="normal" label="Deactivate" onClick={() => toggleActivate(extension)} /> :
-                  <Button className="min-w-20" type="normal" label="Activate" onClick={() => toggleActivate(extension)} />
-                }
-                <div className="min-w-3" />
-              </>
-            )}
-            {isExternal && <Button className="min-w-20" type="normal" label="Uninstall" onClick={() => uninstall(extension)} />}
-          </div>
-        </>
-      }
-    </PreferencesSegment >
-  );
-};
--- a/app/assets/javascripts/preferences/panes/extensions-segments/ExtensionsLatestVersions.ts
+++ b/app/assets/javascripts/preferences/panes/extensions-segments/ExtensionsLatestVersions.ts
@@ -0,0 +1,35 @@
+import { WebApplication } from "@/ui_models/application";
+import { FeatureDescription } from "@standardnotes/features";
+import { SNComponent } from "@standardnotes/snjs/dist/@types";
+import { makeAutoObservable, observable } from "mobx";
+
+export class ExtensionsLatestVersions {
+  static async load(application: WebApplication): Promise<ExtensionsLatestVersions> {
+    const map = await application.getAvailableSubscriptions()
+      .then(subscriptions => {
+        const versionMap: Map<string, string> = new Map();
+        collectFeatures(subscriptions?.CORE_PLAN?.features as FeatureDescription[], versionMap);
+        collectFeatures(subscriptions?.PLUS_PLAN?.features as FeatureDescription[], versionMap);
+        collectFeatures(subscriptions?.PRO_PLAN?.features as FeatureDescription[], versionMap);
+        return versionMap;
+      });
+    return new ExtensionsLatestVersions(map);
+  }
+
+  constructor(private readonly latestVersionsMap: Map<string, string>) {
+    makeAutoObservable<ExtensionsLatestVersions, 'latestVersionsMap'>(
+      this, { latestVersionsMap: observable.ref });
+  }
+
+  getVersion(extension: SNComponent): string | undefined {
+    return this.latestVersionsMap.get(extension.package_info.identifier);
+  }
+
+}
+
+function collectFeatures(features: FeatureDescription[] | undefined, versionMap: Map<string, string>) {
+  if (features == undefined) return;
+  for (const feature of features) {
+    versionMap.set(feature.identifier, feature.version);
+  }
+}
--- a/app/assets/javascripts/preferences/panes/extensions-segments/RenameExtension.tsx
+++ b/app/assets/javascripts/preferences/panes/extensions-segments/RenameExtension.tsx
@@ -0,0 +1,58 @@
+import { FunctionComponent } from "preact";
+import { useState, useRef, useEffect } from "preact/hooks";
+
+export const RenameExtension: FunctionComponent<{
+  extensionName: string, changeName: (newName: string) => void
+}> = ({ extensionName, changeName }) => {
+  const [isRenaming, setIsRenaming] = useState(false);
+  const [newExtensionName, setNewExtensionName] = useState<string>(extensionName);
+
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    if (isRenaming) {
+      inputRef.current!.focus();
+    }
+  }, [inputRef, isRenaming]);
+
+  const startRenaming = () => {
+    setNewExtensionName(extensionName);
+    setIsRenaming(true);
+  };
+
+  const cancelRename = () => {
+    setNewExtensionName(extensionName);
+    setIsRenaming(false);
+  };
+
+  const confirmRename = () => {
+    if (!newExtensionName) {
+      return;
+    }
+    changeName(newExtensionName);
+    setIsRenaming(false);
+  };
+
+  return (
+    <div className="flex flex-row mr-3 items-center">
+      <input
+        ref={inputRef}
+        disabled={!isRenaming}
+        autocomplete='off'
+        className="flex-grow text-base font-bold no-border bg-default px-0 color-text"
+        type="text"
+        value={newExtensionName}
+        onChange={({ target: input }) => setNewExtensionName((input as HTMLInputElement)?.value)}
+      />
+      <div className="min-w-3" />
+      {isRenaming ?
+        <>
+          <a className="pt-1 cursor-pointer" onClick={confirmRename}>Confirm</a>
+          <div className="min-w-3" />
+          <a className="pt-1 cursor-pointer" onClick={cancelRename}>Cancel</a>
+        </> :
+        <a className="pt-1 cursor-pointer" onClick={startRenaming}>Rename</a>
+      }
+    </div>
+  );
+};
--- a/app/assets/javascripts/preferences/panes/extensions-segments/index.ts
+++ b/app/assets/javascripts/preferences/panes/extensions-segments/index.ts
@@ -1,2 +1,3 @@
 export * from './ConfirmCustomExtension';
 export * from './ExtensionItem';
+export * from './ExtensionsLatestVersions';
--- a/app/assets/javascripts/ui_models/app_state/app_state.ts
+++ b/app/assets/javascripts/ui_models/app_state/app_state.ts
@@ -34,7 +34,7 @@ export enum AppStateEvent {
  BeganBackupDownload,
  EndedBackupDownload,
  WindowDidFocus,
-  WindowDidBlur,
+  WindowDidBlur
 }

 export type PanelResizedData = {
--- a/app/assets/javascripts/ui_models/app_state/preferences_state.ts
+++ b/app/assets/javascripts/ui_models/app_state/preferences_state.ts
@@ -29,7 +29,7 @@ export class PreferencesState {
    this.currentPane = 'account';
  };

-  get isOpen() {
+  get isOpen(): boolean {
    return this._open;
  }
 }
--- a/app/assets/javascripts/views/editor/editor-view.pug
+++ b/app/assets/javascripts/views/editor/editor-view.pug
@@ -112,6 +112,8 @@
        ng-if='self.state.editorComponent && !self.state.editorUnloading',
        on-load='self.onEditorLoad',
        application='self.application'
+        app-state='self.appState'
+        broadcast='$broadcast'
        )
      textarea#note-text-editor.editable.font-editor(
        dir='auto',
@@ -168,4 +170,6 @@
          manual-dealloc='true',
          ng-show='!self.stackComponentHidden(component)',
          application='self.application'
+          app-state='self.appState'
+          broadcast='$broadcast'
        )
--- a/app/assets/javascripts/views/tags/tags-view.pug
+++ b/app/assets/javascripts/views/tags/tags-view.pug
@@ -3,6 +3,8 @@
    component-view.component-view(
      component-uuid='self.component.uuid',
      application='self.application'
+      app-state='self.appState'
+      broadcast='$broadcast'
      )
  #tags-content.content(ng-if='!(self.component && self.component.active)')
    .tags-title-section.section-title-bar
--- a/app/assets/stylesheets/_preferences.scss
+++ b/app/assets/stylesheets/_preferences.scss
@@ -44,3 +44,9 @@
    @extend .color-info;
  }
 }
+
+.preferences-extension-pane {
+  iframe {
+    height: 60vh;
+  }
+}
--- a/app/assets/stylesheets/_sn.scss
+++ b/app/assets/stylesheets/_sn.scss
@@ -282,10 +282,18 @@
  width: 6.5rem;
 }

+.max-w-200 {
+  max-width: 50rem;
+}
+
 .w-92 {
  width: 23rem;
 }

+.w-200 {
+  width: 50rem;
+}
+
 .min-w-1 {
  min-width: 0.25rem;
 }
@@ -316,7 +324,7 @@

 .min-w-70 {
  min-width: 17.5rem;
-}  
+}

 .min-w-24 {
  min-width: 6rem;
@@ -328,7 +336,7 @@

 .min-w-90 {
  min-width: 22.5rem;
-}  
+}

 .min-h-1px {
  min-height: 1px;
@@ -549,7 +557,7 @@
 .-z-index-1 {
  z-index: -1;
 }
-  
+
 .sn-component .btn-w-full {
  width: 100%;
 }
--- a/app/assets/templates/directives/component-modal.pug
+++ b/app/assets/templates/directives/component-modal.pug
@@ -14,4 +14,6 @@
        ng-if='ctrl.component.active'
        component-uuid="ctrl.component.uuid",
        application='ctrl.application'
+        app-state='self.appState'
+        broadcast='$broadcast'
        )
--- a/app/assets/templates/directives/component-view.pug
+++ b/app/assets/templates/directives/component-view.pug
@@ -1,90 +0,0 @@
-.sn-component(ng-if='ctrl.issueLoading')
-  .sk-app-bar.no-edges.no-top-edge.dynamic-height
-    .left
-      .sk-app-bar-item
-        .sk-label.warning There was an issue loading {{ctrl.component.name}}.
-    .right
-      .sk-app-bar-item(ng-click='ctrl.reloadIframe()')
-        button.sn-button.small.info Reload
-.sn-component(ng-if='ctrl.expired')
-  .sk-app-bar.no-edges.no-top-edge.dynamic-height
-    .left
-      .sk-app-bar-item
-        .sk-app-bar-item-column
-          .sk-circle.danger.small
-        .sk-app-bar-item-column
-          div
-            a.sk-label.sk-base(
-              href='https://dashboard.standardnotes.com',
-              rel='noopener',
-              target='_blank'
-              )
-              | Your Extended subscription expired on
-              | {{ctrl.component.dateToLocalizedString(ctrl.component.valid_until)}}.
-            .sk-p
-              | Extensions are in a read-only state.
-    .right
-      .sk-app-bar-item(ng-click='ctrl.reloadStatus(true)')
-        button.sn-button.small.info Reload
-      .sk-app-bar-item
-        .sk-app-bar-item-column
-          a.sn-button.small.warning(
-            href='https://standardnotes.com/help/41/expired',
-            rel='noopener',
-            target='_blank'
-            ) Help
-.sn-component(ng-if='ctrl.isDeprecated && !ctrl.deprecationMessageDismissed')
-  .sk-app-bar.no-edges.no-top-edge.dynamic-height
-    .left
-      .sk-app-bar-item
-        .sk-label.warning {{ctrl.deprecationMessage || 'This extension is deprecated.'}}
-    .right
-      .sk-app-bar-item(ng-click='ctrl.dismissDeprecationMessage()')
-        button.sn-button.small.info Dismiss
-
-.sn-component(ng-if="ctrl.error == 'offline-restricted'")
-  .sk-panel.static
-    .sk-panel-content
-      .sk-panel-section.stretch
-        .sk-panel-column
-        .sk-h1.sk-bold You have restricted this extension to be used offline only.
-        .sk-subtitle Offline extensions are not available in the Web app.
-        .sk-panel-row
-        .sk-panel-row
-          .sk-panel-column
-            .sk-p You can either:
-            ul
-              li.sk-p
-                strong Enable the Hosted option
-                |  for this extension by opening the 'Extensions' menu and
-                | toggling 'Use hosted when local is unavailable' under this
-                | extension's options. Then press Reload below.
-              li.sk-p
-                strong Use the Desktop application.
-        .sk-panel-row
-          button.sn-button.small.info(
-            ng-click='ctrl.reloadStatus()',
-            ng-if='!ctrl.reloading'
-          ) Reload
-          .sk-spinner.info.small(ng-if='ctrl.reloading')
-.sn-component(ng-if="ctrl.error == 'url-missing'")
-  .sk-panel.static
-    .sk-panel-content
-      .sk-panel-section.stretch
-        .sk-panel-section-title This extension is not installed correctly.
-        p Please uninstall {{ctrl.component.name}}, then re-install it.
-        p
-          | This issue can occur if you access Standard Notes using an older
-          | version of the app.
-          | Ensure you are running at least version 2.1 on all platforms.
-iframe(
-  data-component-id='{{ctrl.component.uuid}}',
-  frameborder='0',
-  ng-init='ctrl.onIframeInit()'
-  ng-attr-id='component-iframe-{{ctrl.component.uuid}}',
-  ng-if='ctrl.component.uuid && !ctrl.reloading && ctrl.componentValid',
-  ng-src='{{ctrl.getUrl() | trusted}}',
-  sandbox='allow-scripts allow-top-navigation-by-user-activation allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-modals allow-forms allow-downloads'
-  )
-  | Loading
-.loading-overlay(ng-if='ctrl.loading')
--- a/app/assets/templates/directives/revision-preview-modal.pug
+++ b/app/assets/templates/directives/revision-preview-modal.pug
@@ -33,4 +33,6 @@
            ng-if="ctrl.state.editor",
            template-component="ctrl.state.editor",
            application='ctrl.application'
+            app-state='self.appState'
+            broadcast='$broadcast'
            )