presentation slide switch-front end

bigbluebutton-html5/app/client/globals.coffee

@@ -130,6 +130,9 @@ Handlebars.registerHelper "isCurrentUserSharingVideo", ->
 Handlebars.registerHelper "isCurrentUserTalking", ->
   BBB.amITalking()
 
+Handlebars.registerHelper "isCurrentUserPresenter", ->
+  BBB.isUserPresenter(getInSession('userId'))
+
 Handlebars.registerHelper "isDisconnected", ->
   return !Meteor.status().connected
 

bigbluebutton-html5/app/client/lib/bbb_api_bridge.coffee

@@ -87,6 +87,9 @@ https://github.com/bigbluebutton/bigbluebutton/blob/master/bigbluebutton-client/
   BBB.isUserTalking = (userId, callback) ->
     BBB.getUser(userId)?.user?.voiceUser?.talking
 
+  BBB.isUserPresenter = (userId, callback) ->
+    BBB.getUser(userId)?.user?.presenter
+
   # returns true if the current user is marked as locked
   BBB.amILocked = () ->
     return BBB.getCurrentUser()?.user.locked
@@ -334,6 +337,20 @@ https://github.com/bigbluebutton/bigbluebutton/blob/master/bigbluebutton-client/
   ###
   BBB.deletePresentation = (presentationID) ->
 
+  # Request to switch the presentation to the previous slide
+  BBB.goToPreviousPage = () ->
+    Meteor.call('publishSwitchToPreviousSlideMessage',
+      getInSession('meetingId'),
+      getInSession('userId'),
+      getInSession('authToken'))
+
+  # Request to switch the presentation to the next slide
+  BBB.goToNextPage = () ->
+    Meteor.call('publishSwitchToNextSlideMessage',
+      getInSession('meetingId'),
+      getInSession('userId'),
+      getInSession('authToken'))
+
   BBB.webRTCConferenceCallStarted = ->
 
   BBB.webRTCConferenceCallConnecting = ->

bigbluebutton-html5/app/client/stylesheets/whiteboard.less

@@ -122,6 +122,13 @@
   }
 }
 
+.presentationNavigationControls {
+  width:54px;
+  font-size:28px;
+  float:right;
+  margin-right:30px;
+}
+
 .vertically-centered {
   position: relative;
   top: 50%;

bigbluebutton-html5/app/client/views/whiteboard/whiteboard.coffee

@@ -11,6 +11,12 @@
     callback()
 
 Template.whiteboard.events
+  "click .previousSlide":(event) ->
+    BBB.goToPreviousPage()
+
+  "click .nextSlide":(event) ->
+    BBB.goToNextPage()
+
   "click .fullscreenWhiteboardButton": (event, template) ->
     elem = document.getElementById("whiteboard")
     if elem.requestFullscreen

bigbluebutton-html5/app/client/views/whiteboard/whiteboard.html

@@ -6,6 +6,12 @@
             {{/if}}
             <span class="ion-easel heading"></span>
             {{title}}
+            {{#if isCurrentUserPresenter}}
+                <span class="presentationNavigationControls">
+                    <button class="previousSlide ion-arrow-left-a"></button>
+                    <button class="nextSlide ion-arrow-right-a"></button>
+                </span>
+            {{/if}}
         </h3>
         {{#each getCurrentSlide}}
             {{> slide}}