fix(deep-linking): Don't rely on custom scheme

react/features/deep-linking/components/DeepLinkingDesktopPage.web.js

         super(props);
 
         // Bind event handlers so they are only bound once per instance.
-        this._openDesktopApp = this._openDesktopApp.bind(this);
         this._onLaunchWeb = this._onLaunchWeb.bind(this);
         this._onTryAgain = this._onTryAgain.bind(this);
     }
      * @inheritdoc
      */
     componentDidMount() {
-        this._openDesktopApp();
         sendAnalytics(
             createDeepLinkingPageEvent(
                 'displayed', 'DeepLinkingDesktop', { isMobileBrowser: false }));
         );
     }
 
-    _openDesktopApp: () => {}
-
-    /**
-     * Dispatches the <tt>openDesktopApp</tt> action.
-     *
-     * @returns {void}
-     */
-    _openDesktopApp() {
-        this.props.dispatch(openDesktopApp());
-    }
-
     _onTryAgain: () => {}
 
     /**
         sendAnalytics(
             createDeepLinkingPageEvent(
                 'clicked', 'tryAgainButton', { isMobileBrowser: false }));
-        this._openDesktopApp();
+        this.props.dispatch(openDesktopApp());
     }
 
     _onLaunchWeb: () => {}

react/features/deep-linking/functions.js

     DeepLinkingMobilePage,
     NoMobileApp
 } from './components';
-import { _shouldShowDeepLinkingDesktopPage }
-    from './shouldShowDeepLinkingDesktopPage';
-
-/**
- * Promise that resolves when the window load event is received.
- *
- * @type {Promise<void>}
- */
-const windowLoadedPromise = new Promise(resolve => {
-    /**
-     * Handler for the window load event.
-     *
-     * @returns {void}
-     */
-    function onWindowLoad() {
-        resolve();
-        window.removeEventListener('load', onWindowLoad);
-    }
-
-    window.addEventListener('load', onWindowLoad);
-});
-
+import { _openDesktopApp } from './openDesktopApp';
 
 /**
  * Generates a deep linking URL based on the current window URL.
         return Promise.resolve();
     }
 
-    return _shouldShowDeepLinkingDesktopPage().then(
+    return _openDesktopApp().then(
         // eslint-disable-next-line no-confusing-arrow
-        show => show ? DeepLinkingDesktopPage : undefined);
+        result => result ? DeepLinkingDesktopPage : undefined);
 }
 
 /**
  * Opens the desktop app.
  *
- * @returns {void}
+ * @returns {Promise<boolean>} - Resolves with true if the attempt to open the desktop app was successful and resolves
+ * with false otherwise.
  */
 export function openDesktopApp() {
-    windowLoadedPromise.then(() => {
-        // If the code for opening the deep link is executed before the window
-        // load event, something with the internal chrome state goes wrong. The
-        // result is that no window load event is received which is the cause
-        // for some permission prompts to not be displayed. In our case the GUM
-        // prompt wasn't displayed which causes the GUM call to never finish.
-        window.location.href = generateDeepLinkingURL();
-    });
+    return _openDesktopApp();
 }

react/features/deep-linking/openDesktopApp.js

+/**
+ * Opens the desktop app.
+ *
+ * @returns {Promise<boolean>} - Resolves with true if the attempt to open the desktop app was successful and resolves
+ * with false otherwise.
+ */
+export function _openDesktopApp() {
+    return Promise.resolve(false);
+}

react/features/deep-linking/shouldShowDeepLinkingDesktopPage.js

-/**
- * Resolves with <tt>true</tt> if the deep linking page should be shown and with
- * <tt>false</tt> otherwise.
- *
- * @returns {Promise<boolean>}
- */
-export function _shouldShowDeepLinkingDesktopPage() {
-    return Promise.resolve(false);
-}