Visualforce page that sets up the topic subscription and includes the streaming component to display browser notifications.

Streaming.page

<apex:page controller="StreamingController">
  <apex:pageMessages id="msgs" />
  <apex:outputPanel id="all">
  <apex:outputPanel rendered="{!topic==''}">
    <apex:form >
      <apex:actionFunction name="createTopic" action="{!CreateTopic}" rerender="all, msgs" />
      <script>
      	alert('Creating topic - create topic function = ' + createTopic);
        createTopic();
      </script>
    </apex:form>
  </apex:outputPanel>
  <apex:outputPanel rendered="{!NOT(topic=='')}">
	  <c:Streaming topic="{!topic}" />
  </apex:outputPanel>
  </apex:outputPanel>
</apex:page>