From c1573057df52d92cbfacf214be7527cbe3fc4a48 Mon Sep 17 00:00:00 2001
From: Hristo Terezov <hristo@jitsi.org>
Date: Tue, 6 Jun 2023 09:25:44 -0500
Subject: [PATCH] feat(screen-lock): request on conference join.

---
 package-lock.json                             | 13 +++++++
 package.json                                  |  1 +
 .../base/conference/middleware.web.ts         | 39 ++++++++++++++++++-
 tsconfig.web.json                             |  2 +-
 4 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 27eba6a8ab..a4cc677f1c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -127,6 +127,7 @@
         "@jitsi/eslint-config": "4.1.5",
         "@types/amplitude-js": "8.16.2",
         "@types/audioworklet": "0.0.29",
+        "@types/dom-screen-wake-lock": "1.0.1",
         "@types/js-md5": "0.4.3",
         "@types/lodash": "4.14.182",
         "@types/punycode": "2.1.0",
@@ -5583,6 +5584,12 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/dom-screen-wake-lock": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@types/dom-screen-wake-lock/-/dom-screen-wake-lock-1.0.1.tgz",
+      "integrity": "sha512-WJQas3OFGcC8AeMzaa7FwzzbNNfanuV2R12kQYNp4BkUMghsRz5JxJ5RgVhJifhw7t0s6LvRSWZArmKbMDZ+5g==",
+      "dev": true
+    },
     "node_modules/@types/emscripten": {
       "version": "0.0.34",
       "resolved": "https://registry.npmjs.org/@types/emscripten/-/emscripten-0.0.34.tgz",
@@ -23649,6 +23656,12 @@
         "@types/node": "*"
       }
     },
+    "@types/dom-screen-wake-lock": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@types/dom-screen-wake-lock/-/dom-screen-wake-lock-1.0.1.tgz",
+      "integrity": "sha512-WJQas3OFGcC8AeMzaa7FwzzbNNfanuV2R12kQYNp4BkUMghsRz5JxJ5RgVhJifhw7t0s6LvRSWZArmKbMDZ+5g==",
+      "dev": true
+    },
     "@types/emscripten": {
       "version": "0.0.34",
       "resolved": "https://registry.npmjs.org/@types/emscripten/-/emscripten-0.0.34.tgz",
diff --git a/package.json b/package.json
index 9134581fad..6d95762ee3 100644
--- a/package.json
+++ b/package.json
@@ -132,6 +132,7 @@
     "@jitsi/eslint-config": "4.1.5",
     "@types/amplitude-js": "8.16.2",
     "@types/audioworklet": "0.0.29",
+    "@types/dom-screen-wake-lock": "1.0.1",
     "@types/js-md5": "0.4.3",
     "@types/lodash": "4.14.182",
     "@types/punycode": "2.1.0",
diff --git a/react/features/base/conference/middleware.web.ts b/react/features/base/conference/middleware.web.ts
index 19b7a4e93d..5bca8e2e32 100644
--- a/react/features/base/conference/middleware.web.ts
+++ b/react/features/base/conference/middleware.web.ts
@@ -5,9 +5,29 @@ import {
 import { JitsiConferenceErrors } from '../lib-jitsi-meet';
 import MiddlewareRegistry from '../redux/MiddlewareRegistry';
 
-import { CONFERENCE_FAILED, CONFERENCE_JOINED, CONFERENCE_JOIN_IN_PROGRESS } from './actionTypes';
+import {
+    CONFERENCE_FAILED,
+    CONFERENCE_JOINED,
+    CONFERENCE_JOIN_IN_PROGRESS,
+    CONFERENCE_LEFT, KICKED_OUT
+} from './actionTypes';
+import logger from './logger';
 import './middleware.any';
 
+let screenLock: WakeLockSentinel | undefined;
+
+/**
+ * Releases the screen lock.
+ *
+ * @returns {void}
+ */
+function releaseScreenLock() {
+    if (screenLock) {
+        screenLock.release();
+        screenLock = undefined;
+    }
+}
+
 MiddlewareRegistry.register(store => next => action => {
     const { dispatch, getState } = store;
     const { enableForcedReload } = getState()['features/base/config'];
@@ -23,6 +43,16 @@ MiddlewareRegistry.register(store => next => action => {
             dispatch(setSkipPrejoinOnReload(false));
         }
 
+        if (navigator.wakeLock?.request) {
+            navigator.wakeLock.request('screen')
+                .then(lock => {
+                    screenLock = lock;
+                })
+                .catch(e => {
+                    logger.error(`Error while requesting wake lock for screen: ${e}`);
+                });
+        }
+
         break;
     }
     case CONFERENCE_FAILED: {
@@ -32,8 +62,15 @@ MiddlewareRegistry.register(store => next => action => {
             dispatch(setSkipPrejoinOnReload(true));
         }
 
+        releaseScreenLock();
+
         break;
     }
+    case CONFERENCE_LEFT:
+    case KICKED_OUT:
+        releaseScreenLock();
+
+        break;
     }
 
     return next(action);
diff --git a/tsconfig.web.json b/tsconfig.web.json
index 96103fcc8c..72c80b2169 100644
--- a/tsconfig.web.json
+++ b/tsconfig.web.json
@@ -5,7 +5,7 @@
         "module": "es2020",
         "target": "es2020",
         "jsx": "react",
-        "lib": [ "webworker", "ES2020", "DOM" ],
+        "lib": [ "ES2020", "DOM" ],
         "skipLibCheck": true,
         "moduleResolution": "Node",
         "strict": true,