add initialize mechanism in audio control gadget

src/audioplayer_control/control.js

@@ -128,7 +128,17 @@
       g.io = e;
       g.io.createIO({ "type" : "indexeddb",
                       "database": "test"},
-                    "m");
+                    "m")
+        .then(function () {
+          g.io.showAllIO().then(function (result) {
+            var array = Object.keys(result),
+              i;
+            for (i = 0; i < array.length; i += 1) {
+              g.playlist.push(array[i]);
+            }
+            g.sendTotalId(g.playlist.length);
+          });
+        });
     });
     g.audio = new window.Audio();
     g.source = g.audioCtx.createMediaElementSource(g.audio);
@@ -137,8 +147,9 @@
     g.decoded = true;
     g.audio.onended = function () {
       g.nextToPlay().then(function (id) {
-        g.setSong(id);
-        g.playSong(id);
+        g.setSong(id).then(function () {
+          g.playSong(id);
+        });
       });
     };
     input_context.onchange = function () {

src/audioplayer_io/io.js

 /*global window, rJS, RSVP, jIO, JSON, console, indexedDB */
-
+/*jslint nomen: true*/
 (function (window, jIO, rJS) {
   "use strict";
 
   var gk = rJS(window);
 
   gk.declareMethod('createIO', function (description, key) {
-    indexedDB.deleteDatabase("jio:test");
+   // indexedDB.deleteDatabase("jio:test");
     this.jio = jIO.createJIO(description);
     this.key = key;
-    this.jio.put({
+    return this.jio.put({
       "_id" : key
     }).then(function () {
       description = JSON.stringify(description, null, "  ");
       console.log("JIO created: " + description + "\nwith key: " + key);
-    }).catch(function (e) {
+      return;
+    }).fail(function (e) {
       console.log("jio created error: " + e.target.result);
+      return;
     });
   })
     .declareMethod('getIO', function (attachment) {
@@ -31,18 +33,24 @@
     })
     .declareMethod('setIO', function (attachment, file) {
       var gadget = this;
-      gadget.jio.putAttachment({
+      return gadget.jio.putAttachment({
         "_id": gadget.key,
         "_attachment": attachment,
         "_blob": file
       }).then(function (e) {
-        console.log(e);
+        return e;
+      }).fail(function (error) {
+        return "ERROR : " + error;
       });
     })
     .declareMethod('showAllIO', function () {
       var gadget = this;
-      return gadget.jio.allDoc({
+      return gadget.jio.allDocs({
         "include_docs": "m"
+      }).then(function (result) {
+        return result.data.rows[0].doc._attachment;
+      }).fail(function (error) {
+        return "ERROR : " + error;
       });
     });
 }(window, jIO, rJS));