Merge pull request #692 from fuji44/improvement_mouse-wheel_volume-co…

…ntrol

Disable volume control using mouse wheel on episode list (fix #315)

grails-app/assets/javascripts/streama/directives/streama-video-player-directive.js

@@ -448,14 +448,25 @@ angular.module('streama').directive('streamaVideoPlayer', [
 
 
 				function initMouseWheel() {
+				  var isMouseWheelVolumeCtrlActive = true;
 					jQuery($elem).mousewheel(function (event) {
+					  if (!isMouseWheelVolumeCtrlActive) {
+					    return;
+					  }
 						if (event.deltaY > 0) {
 							changeVolume(1);
 						} else if (event.deltaY < 0) {
 							changeVolume(-1);
 						}
 						$scope.showControls();
 					});
+				  var playerMenu = document.querySelector('#player-menu-episode-selector');
+				  playerMenu.addEventListener('mouseenter', function (event) {
+				    isMouseWheelVolumeCtrlActive = false;
+				  });
+				  playerMenu.addEventListener('mouseleave', function (event) {
+				    isMouseWheelVolumeCtrlActive = true;
+				  });
 				}
 
 				function initMousetrap() {