WebAPI/SimplePush: Difference between revisions

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WebAPI/SimplePush (view source)

Revision as of 18:05, 31 January 2013

308 bytes added ,  31 January 2013
→‎JavaScript
Line 97: Line 97:
var emailEndpoint, imEndpoint;
var emailEndpoint, imEndpoint;


// all notifications will be sent to the system message handler.
function setupAppRegistrations() {
// which is up to the U/A to implement
  // (re)issue register() calls
  // to register to listen for a notification,
  // you simply call push.register
  var reqEmail = navigator.pushNotifications.register();
  reqEmail.onsuccess = function(e) {
    emailEndpoint = e.result.pushEndpoint;
    storeOnAppServer("email", emailEndpoint);
  }


// apps can do something like
   var reqIm = navigator.pushNotifications.register();
// This handler may be triggered *immediately* after mozSetMessageHandler is called
  reqIm.onsuccess = function(e) {
// so applications should ensure they are ready (UI created, state loaded etc.)
    imEndpoint = e.result.pushEndpoint;
navigator.mozSetMessageHandler('push-register', {
    storeOnAppServer("im", imEndpoint);
   handleMessage: function(e) {
    // (re)issue register() calls
    // to register to listen for a notification,
    // you simply call push.register
    var reqEmail = navigator.pushNotifications.register();
    reqEmail.onsuccess = function(e) {
      emailEndpoint = e.result.pushEndpoint;
      storeOnAppServer("email", emailEndpoint);
    }
 
    var reqIm = navigator.pushNotifications.register();
    reqIm.onsuccess = function(e) {
      imEndpoint = e.result.pushEndpoint;
      storeOnAppServer("im", imEndpoint);
    }
   }
   }
});
}


// all notifications will be sent to the system message handler.
// which is up to the U/A to implement
navigator.mozSetMessageHandler('push', {
navigator.mozSetMessageHandler('push', {
   handleMessage: function(e) {
   handleMessage: function(e) {
     e.target.pushEndpoint == This is the topic that is being observed
     if (e.target.pushEndpoint == emailEndpoint)
     e.target.version == This is the current version for this topic
      getNewEmailMessagesFromAppServer(e.target.version);
     else if (e.target.pushEndpoint == imEndpoint)
      getNewChatMessagesFromAppServer(e.target.version);
   }
   }
});
});


AppFramework.addEventListener('user-login', function() {
  setupAppRegistrations();
});


// to unregister, you simply call..
// to unregister, you simply call..
 
AppFramework.addEventListener('user-logout', function() {
AppFramework.addEventListener('logout', function() {
   navigator.pushNotifications.unregister(emailEndpoint);
   navigator.pushNotifications.unregister(emailEndpoint);
   navigator.pushNotifications.unregister(imEndpoint);
   navigator.pushNotifications.unregister(imEndpoint);
});
});
// error recovery mechanism
// will be called very rarely, but application
// should register again when it is called
navigator.mozSetMessageHandler('push-register', {
  handleMessage: function(e) {
    if (AppFramework.isUserLoggedIn) {
      setupAppRegistrations();
    }
    else {
      // since user isn't logged in, when he logs in
      // registrations will be setup due to event handler
    }
  }
});
</pre>
</pre>


Nikhilm
Confirmed users
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Retrieved from "https://wiki.mozilla.org/Special:MobileDiff/510200"

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