Adds option to be able to cancel locked rooms and leave. (#4391)

* Adds option to be able to cancel locked rooms and leave.

* Removes not needed operations when canceling password prompt.

conference.js

     sendAnalytics
 } from './react/features/analytics';
 import {
-    redirectWithStoredParams,
+    maybeRedirectToWelcomePage,
+    redirectToStaticPage,
     reloadWithStoredParams
 } from './react/features/app';
 
     trackAdded,
     trackRemoved
 } from './react/features/base/tracks';
-import {
-    getLocationContextRoot,
-    getJitsiMeetGlobalNS
-} from './react/features/base/util';
+import { getJitsiMeetGlobalNS } from './react/features/base/util';
 import { addMessage } from './react/features/chat';
 import { showDesktopPicker } from './react/features/desktop-picker';
 import { appendSuffix } from './react/features/display-name';
     APP.store.dispatch(setVideoMuted(muted));
 }
 
-/**
- * Check if the welcome page is enabled and redirects to it.
- * If requested show a thank you dialog before that.
- * If we have a close page enabled, redirect to it without
- * showing any other dialog.
- *
- * @param {object} options used to decide which particular close page to show
- * or if close page is disabled, whether we should show the thankyou dialog
- * @param {boolean} options.showThankYou - whether we should
- * show thank you dialog
- * @param {boolean} options.feedbackSubmitted - whether feedback was submitted
- */
-function maybeRedirectToWelcomePage(options) {
-    // if close page is enabled redirect to it, without further action
-    if (config.enableClosePage) {
-        const { isGuest } = APP.store.getState()['features/base/jwt'];
-
-        // save whether current user is guest or not, before navigating
-        // to close page
-        window.sessionStorage.setItem('guest', isGuest);
-        redirectToStaticPage(`static/${
-            options.feedbackSubmitted ? 'close.html' : 'close2.html'}`);
-
-        return;
-    }
-
-    // else: show thankYou dialog only if there is no feedback
-    if (options.showThankYou) {
-        APP.store.dispatch(showNotification({
-            titleArguments: { appName: interfaceConfig.APP_NAME },
-            titleKey: 'dialog.thankYou'
-        }));
-    }
-
-    // if Welcome page is enabled redirect to welcome page after 3 sec, if
-    // there is a thank you message to be shown, 0.5s otherwise.
-    if (config.enableWelcomePage) {
-        setTimeout(
-            () => {
-                APP.store.dispatch(redirectWithStoredParams('/'));
-            },
-            options.showThankYou ? 3000 : 500);
-    }
-}
-
-/**
- * Assigns a specific pathname to window.location.pathname taking into account
- * the context root of the Web app.
- *
- * @param {string} pathname - The pathname to assign to
- * window.location.pathname. If the specified pathname is relative, the context
- * root of the Web app will be prepended to the specified pathname before
- * assigning it to window.location.pathname.
- * @return {void}
- */
-function redirectToStaticPage(pathname) {
-    const windowLocation = window.location;
-    let newPathname = pathname;
-
-    if (!newPathname.startsWith('/')) {
-        // A pathname equal to ./ specifies the current directory. It will be
-        // fine but pointless to include it because contextRoot is the current
-        // directory.
-        newPathname.startsWith('./')
-            && (newPathname = newPathname.substring(2));
-        newPathname = getLocationContextRoot(windowLocation) + newPathname;
-    }
-
-    windowLocation.pathname = newPathname;
-}
-
 /**
  * A queue for the async replaceLocalTrack action so that multiple audio
  * replacements cannot happen simultaneously. This solves the issue where
 
         case JitsiConferenceErrors.NOT_ALLOWED_ERROR: {
             // let's show some auth not allowed page
-            redirectToStaticPage('static/authError.html');
+            APP.store.dispatch(redirectToStaticPage('static/authError.html'));
             break;
         }
 
             room = undefined;
 
             APP.API.notifyReadyToClose();
-            maybeRedirectToWelcomePage(values[0]);
+            APP.store.dispatch(maybeRedirectToWelcomePage(values[0]));
         });
     },
 

react/features/app/actions.js

 import { connect, disconnect, setLocationURL } from '../base/connection';
 import { loadConfig } from '../base/lib-jitsi-meet';
 import { createDesiredLocalTracks } from '../base/tracks';
-import { parseURIString, toURLString } from '../base/util';
+import {
+    getLocationContextRoot,
+    parseURIString,
+    toURLString
+} from '../base/util';
+import { showNotification } from '../notifications';
 import { setFatalError } from '../overlay';
 
-import { getDefaultURL } from './functions';
+import {
+    getDefaultURL,
+    getName
+} from './functions';
 
 const logger = require('jitsi-meet-logger').getLogger(__filename);
 
     };
 }
 
+/**
+ * Assigns a specific pathname to window.location.pathname taking into account
+ * the context root of the Web app.
+ *
+ * @param {string} pathname - The pathname to assign to
+ * window.location.pathname. If the specified pathname is relative, the context
+ * root of the Web app will be prepended to the specified pathname before
+ * assigning it to window.location.pathname.
+ * @returns {Function}
+ */
+export function redirectToStaticPage(pathname: string) {
+    return () => {
+        const windowLocation = window.location;
+        let newPathname = pathname;
+
+        if (!newPathname.startsWith('/')) {
+            // A pathname equal to ./ specifies the current directory. It will be
+            // fine but pointless to include it because contextRoot is the current
+            // directory.
+            newPathname.startsWith('./')
+            && (newPathname = newPathname.substring(2));
+            newPathname = getLocationContextRoot(windowLocation) + newPathname;
+        }
+
+        windowLocation.pathname = newPathname;
+    };
+}
+
 /**
  * Reloads the page.
  *
         }
     };
 }
+
+/**
+ * Check if the welcome page is enabled and redirects to it.
+ * If requested show a thank you dialog before that.
+ * If we have a close page enabled, redirect to it without
+ * showing any other dialog.
+ *
+ * @param {Object} options - Used to decide which particular close page to show
+ * or if close page is disabled, whether we should show the thankyou dialog.
+ * @param {boolean} options.showThankYou - Whether we should
+ * show thank you dialog.
+ * @param {boolean} options.feedbackSubmitted - Whether feedback was submitted.
+ * @returns {Function}
+ */
+export function maybeRedirectToWelcomePage(options: Object = {}) {
+    return (dispatch: Dispatch<any>, getState: Function) => {
+
+        const {
+            enableClosePage
+        } = getState()['features/base/config'];
+
+        // if close page is enabled redirect to it, without further action
+        if (enableClosePage) {
+            const { isGuest } = getState()['features/base/jwt'];
+
+            // save whether current user is guest or not, before navigating
+            // to close page
+            window.sessionStorage.setItem('guest', isGuest);
+
+            dispatch(redirectToStaticPage(`static/${
+                options.feedbackSubmitted ? 'close.html' : 'close2.html'}`));
+
+            return;
+        }
+
+        // else: show thankYou dialog only if there is no feedback
+        if (options.showThankYou) {
+            dispatch(showNotification({
+                titleArguments: { appName: getName() },
+                titleKey: 'dialog.thankYou'
+            }));
+        }
+
+        // if Welcome page is enabled redirect to welcome page after 3 sec, if
+        // there is a thank you message to be shown, 0.5s otherwise.
+        if (getState()['features/base/config'].enableWelcomePage) {
+            setTimeout(
+                () => {
+                    dispatch(redirectWithStoredParams('/'));
+                },
+                options.showThankYou ? 3000 : 500);
+        }
+    };
+}
+

react/features/room-lock/actions.js

 
 import type { Dispatch } from 'redux';
 
-import { appNavigate } from '../app';
+import {
+    appNavigate,
+    maybeRedirectToWelcomePage
+} from '../app';
 import {
     conferenceLeft,
     JITSI_CONFERENCE_URL_KEY,
 import { hideDialog, openDialog } from '../base/dialog';
 import { PasswordRequiredPrompt, RoomLockPrompt } from './components';
 
+declare var APP: Object;
+
 /**
  * Begins a (user) request to lock a specific conference/room.
  *
  */
 export function _cancelPasswordRequiredPrompt(conference: Object) {
     return (dispatch: Dispatch<any>, getState: Function) => {
+
+        if (typeof APP !== 'undefined') {
+            // when we are redirecting the library should handle any
+            // unload and clean of the connection.
+            APP.API.notifyReadyToClose();
+            dispatch(maybeRedirectToWelcomePage());
+
+            return;
+        }
+
         // Canceling PasswordRequiredPrompt is to navigate the app/user to
         // WelcomePage. In other words, the canceling invalidates the
         // locationURL. Make sure that the canceling indeed has the intent to

react/features/room-lock/components/PasswordRequiredPrompt.web.js

 import { translate } from '../../base/i18n';
 import { connect } from '../../base/redux';
 
+import { _cancelPasswordRequiredPrompt } from '../actions';
+
 /**
  * The type of the React {@code Component} props of
  * {@link PasswordRequiredPrompt}.
 
         // Bind event handlers so they are only bound once per instance.
         this._onPasswordChanged = this._onPasswordChanged.bind(this);
+        this._onCancel = this._onCancel.bind(this);
         this._onSubmit = this._onSubmit.bind(this);
     }
 
     render() {
         return (
             <Dialog
-                isModal = { true }
+                disableBlanketClickDismiss = { true }
+                isModal = { false }
+                onCancel = { this._onCancel }
                 onSubmit = { this._onSubmit }
                 titleKey = 'dialog.passwordRequired'
                 width = 'small'>
         });
     }
 
+    _onCancel: () => boolean;
+
+    /**
+     * Dispatches action to cancel and dismiss this dialog.
+     *
+     * @private
+     * @returns {boolean}
+     */
+    _onCancel() {
+
+        this.props.dispatch(
+            _cancelPasswordRequiredPrompt(this.props.conference));
+
+        return true;
+    }
+
     _onSubmit: () => boolean;
 
     /**