add volume up/down

client/static/index.html

@@ -104,11 +104,11 @@ margin-bottom: 1px; }
 
 	<section layout="row" layout-sm="column" layout-align="center center" layout-wrap>
 	  <div class="label">Skip</div>
-           <md-button class="md-fab" aria-label="Back 1 min" ng-click="back()">
+           <md-button class="md-fab" aria-label="Back" ng-click="back()">
             <
             </md-button>
 
-            <md-button class="md-fab" aria-label="Forward 1 min" ng-click="forward()">
+            <md-button class="md-fab" aria-label="Forward" ng-click="forward()">
             >
             </md-button>
 	</section>
@@ -126,10 +126,10 @@ margin-bottom: 1px; }
 	
 	      <section layout="row" layout-sm="column" layout-align="center center" layout-wrap>
 		<div class="label">Volume</div>
-            <md-button class="md-fab" aria-label="">
+            <md-button class="md-fab" aria-label="Volume down" ng-click="volumeDown()">
             -
             </md-button>
-              <md-button class="md-fab" aria-label="">
+              <md-button class="md-fab" aria-label="Volume up" ng-click="volumeUp()">
             +
               </md-button>
 	      </section>
@@ -161,21 +161,39 @@ var showStatus = function(text) {
   $timeout(function() {$scope.status = ''; }, 2000);
 };
 
+var seek = function(seconds) {
+  var direction = seconds < 0 ? "Back" : "Forward";
+  $http({
+    method: 'GET',
+    url: '/seek/' + seconds
+  }).then(function successCallback(response) {
+    showStatus(direction + ": Success");
+  }, function errorCallback(response) {
+    showStatus(direction + ": Error");
+    });
+};
+
+var volume = function(delta) {
+  var direction = delta < 0 ? "down" : "up";
+  $http({
+    method: 'GET',
+    url: '/volume/' + delta
+  }).then(function successCallback(response) {
+    showStatus("Volume " + direction + ": Success");
+  }, function errorCallback(response) {
+    showStatus("Volume " + direction + ": Error");
+    });
+};
+			    
 $scope.status = '';
 
 $scope.alert = '';
-$scope.back = function() {}
-$scope.pause = function() {}
-$scope.forward = function() {
-$http({
-  method: 'GET',
-  url: '/seek/10'
-}).then(function successCallback(response) {
-  showStatus("Forward: Success");
-}, function errorCallback(response) {
-  showStatus("Forward: Error");
-  });
-    }
+$scope.back = function() { seek(-10) };
+$scope.pause = function() {};
+$scope.forward = function() { seek(10) };
+$scope.volumeUp = function() { volume(5) };
+$scope.volumeDown = function() { volume(-5) };
+			    
   $scope.showListBottomSheet = function($event) {
     $scope.alert = '';
     $mdBottomSheet.show({