src/Core/View/injection.js

   1 // set javascript objects for Web APIs of Tizen appwidget
   2 if (typeof window.tizen == 'undefined') {
   3     console.log("window.tizen object not exists");
   4     window.tizen = new Object();
   5 }
   6
   7 window.tizen.appwidget = new Object();
   8
   9 // these are functions for overriding standard javascript functions regarding event
  10 var original_addEventListener = window.addEventListener;
  11 var original_removeEventListener = window.removeEventListener;
  12
  13 // this variable is responsible to keep information of appwidget evetns
  14 var appWidgetEvents = {};
  15
  16 // define event structure for appwidget
  17 window.AppWidgetEventInfo = function(event, callback) {
  18     this.event = event;
  19     this.callback = callback;
  20 };
  21
  22 window.addEventListener = function(event, callback, capture) {
  23     var e = event.toLowerCase();
  24     if (typeof appWidgetEvents[e] != 'undefined') {
  25         appWidgetEvents[e].callback = callback;
  26     } else {
  27         original_addEventListener.call(window, event, callback, capture);
  28     }
  29 };
  30
  31 window.removeEventListener = function(event, callback, capture) {
  32     var e = event.toLowerCase();
  33     if (typeof appWidgetEvents[e] != "undefined") {
  34         appWidgetEvents[e].callback = "null";
  35     } else {
  36         original_removeEventListener.call(window, event, callback, capture);
  37     }
  38 };
  39
  40 // Define tizen appwidget APIs
  41 window.tizen.appwidget.reload = function() {
  42     window.location.href = "box://reload";
  43 }
  44
  45 window.tizen.appwidget.changePeriod = function(period) {
  46     switch (arguments.length) {
  47     case 0:
  48         window.location.href = "box://change-period";
  49         break;
  50     case 1:
  51         window.location.href = "box://change-period?period=" + period;
  52         break;
  53     default:
  54         window.location.href = "box://change-period";
  55         break;
  56     }
  57 }
  58
  59 window.tizen.appwidget.launchBrowser = function(url) {
  60     window.location.href = "box://launch-browser?url=" + url;
  61 }
  62
  63 window.tizen.appwidget.scrollStart = function() {
  64     window.location.href = "box://scroll-start";
  65 }
  66
  67 window.tizen.appwidget.scrollStop = function() {
  68     window.location.href = "box://scroll-stop";
  69 }
  70
  71 window.tizen.appwidget.sendMessageToBox = function(message) {
  72     window.location.href = "box://send-message-to-box?message=" + message;
  73 }
  74
  75 window.tizen.appwidget.sendMessageToPd = function(message) {
  76     window.location.href = "box://send-message-to-pd?message=" + message;
  77 }
  78
  79 var webprovider = {
  80     // define specific function for registering appwidget event
  81     registerAppWidgetEvent: function(event) {
  82         return (appWidgetEvents[event] = new AppWidgetEventInfo(event, "null"));
  83     },
  84
  85     // define specific function for firing registered appwidget event
  86     fireAppWidgetEvent: function(event, data) {
  87         // this is called by web-provider, which is native code
  88         if (typeof appWidgetEvents[event] != 'undefined') {
  89             setTimeout(function() {
  90                 appWidgetEvents[event].callback(data);
  91             }, 0);
  92             console.log("fire appwidget event: " + event);
  93         } else {
  94             console.log("unknown appwidget event: " + event);
  95         }
  96     },
  97 }
  98
  99 // register custom events for appwidget
 100 webprovider.registerAppWidgetEvent("pdmessage");
 101 webprovider.registerAppWidgetEvent("boxmessage");