preload audio and image

tv/js/audio.js

@@ -1,26 +1,49 @@
-(function(){
-  var hasWebKit = ('webkitAudioContext' in window) && !('chrome' in window)
-  var context = new webkitAudioContext()
-  var request = new XMLHttpRequest()
-  var source
+var audio = (function(){
 
-  request.open('GET', url, true) 
-  request.responseType = 'arraybuffer'
-  request.onload = function() {
-    context.decodeAudioData(request.response, function(response) {
-      (function loop(){
-        if (source) {
-          source.start(0)
-          setTimeout(loop, source.buffer.duration * 1000 - (source.buffer.duration < 2 ? 0 : 60) )
-        }
-        else {
-          setTimeout(loop, 0)
-        }
-        source = context.createBufferSource()
-        source.connect(context.destination)
-        source.buffer = response
-      })()
-    }, function () { console.error('The request failed.') } )
+  var audio = {}
+
+  var context = new webkitAudioContext()
+  var source
+  var current = ""
+  
+  var bufs = {}
+  var sources = {}
+
+  audio.preload = function(site, loader){
+    loader.register(site.domain + "_sound")
+    var request = new XMLHttpRequest()
+    request.open('GET', url, true) 
+    request.responseType = 'arraybuffer'
+    request.onload = function() {
+      context.decodeAudioData(request.response, function(buf) {
+        bufs[site.domain] = buf
+        loader.ready(site.domain + "_sound")
+      }, function () { console.error('The request failed.') } )
+    }
+    request.send()
   }
-  request.send()
+
+  audio.play = function(domain){
+    var buf = bufs[domain]    
+    var source = context.createBufferSource()
+    source.connect(context.destination)
+    source.buffer = buf
+    source.start(0)
+    
+    sources[domain] = sources[domain] || []
+    sources[domain].push(source)
+  }
+  
+/*
+    (function loop(){
+      if (source) {
+        source.start(0)
+        setTimeout(loop, source.buffer.duration * 1000 - (source.buffer.duration < 2 ? 0 : 60) )
+      }
+      else {
+        setTimeout(loop, 0)
+      }
+    })()
+*/
+
 })()