Support features for JellyfinMediaPlayer.

src/scripts/libraryMenu.js

@@ -76,7 +76,13 @@ import Headroom from 'headroom.js';
     }
 
     function onBackClick() {
-        appRouter.back();
+        // If playing on a player that can't be destroyed with navigation, stop it manually.
+        const player = playbackManager.getCurrentPlayer();
+        if (player && player.mustDestroy && skinHeader.classList.contains('osdHeader')) {
+            playbackManager.stop();
+        } else {
+            appRouter.back();
+        }
     }
 
     function retranslateUi() {

src/scripts/mouseManager.js

@@ -54,8 +54,8 @@ import dom from '../scripts/dom';
 
     let lastPointerMoveData;
     function onPointerMove(e) {
-        const eventX = e.screenX;
-        const eventY = e.screenY;
+        const eventX = e.screenX || e.clientX;
+        const eventY = e.screenY || e.clientY;
 
         // if coord don't exist how could it move
         if (typeof eventX === 'undefined' && typeof eventY === 'undefined') {

src/scripts/settings/webSettings.js

@@ -79,6 +79,15 @@ export function getMultiServer() {
     });
 }
 
+export function getIgnorePlayPermission() {
+    return getConfig().then(config => {
+        return !!config.ignorePlayPermission;
+    }).catch(error => {
+        console.log('cannot get web config:', error);
+        return false;
+    });
+}
+
 export function getServers() {
     return getConfig().then(config => {
         return config.servers || [];