Allow configuring mobile controller UI skip duration (fixes #26704)

share/lua/http/js/controllers.js

@@ -2,6 +2,7 @@ var currentArt = null;
 var current_que = 'main';
 var current_playlist_id = -1;
 var previous_playlist_id = -1;
+var seek_sec = 0;
 
 function updateArt(url) {
     $('#albumArt').fadeOut(500, function () {
@@ -80,6 +81,8 @@ function updateStatus() {
                     previous_playlist_id = current_playlist_id;
                 }
 
+                seek_sec = parseInt($('seek_sec', data).text());
+
                 if (pollStatus) {
                     setTimeout(updateStatus, 1000);
                 }

share/lua/http/mobile.html

@@ -63,11 +63,11 @@
 					return false;
 				});
                 $('#buttonRewd').click(function(){
-                    sendCommand({'command': 'seek', 'val': '-30S'});
+                    sendCommand({'command': 'seek', 'val': '-' + seek_sec.toString() + 'S'});
                     return false;
                 });
                 $('#buttonFwrd').click(function(){
-                    sendCommand({'command': 'seek', 'val': '+30S'});
+                    sendCommand({'command': 'seek', 'val': '+' + seek_sec.toString() + 'S'});
                     return false;
                 });
 			})

share/lua/intf/modules/httprequests.lua

@@ -439,6 +439,7 @@ getstatus = function (includecategories)
     s.apiversion=4
     s.version=vlc.misc.version()
     s.volume=vlc.volume.get()
+    s.seek_sec = vlc.config.get("short-jump-size")
 
     s.time = vlc.player.get_time() / 1000000
     s.position = vlc.player.get_position()