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gaia/tv_apps/dlna-player/js/device_manager.js

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+'use strict';
+/* global avtManager */
+
+(function(exports) {
+  function DeviceManager() {
+
+  }
+
+  DeviceManager.prototype = {
+    devices: {},
+    avtSelector: document.getElementById('AVTList'),
+
+    init: function dm_init() {
+      return this;
+    },
+
+    _popDeviceId: function dm_popDeviceId(serviceId) {
+      return serviceId.split('::')[0];
+    },
+
+    getDeviceByService: function dm_getDeviceByService(serviceId) {
+      return this.devices[this._popDeviceId(serviceId)];
+    },
+
+    getSelectedService: function dm_getCurrentService(serviceName) {
+      var selected = this.avtSelector[this.avtSelector.selectedIndex].value;
+      if (selected == 'local') {
+        return null;
+      } else {
+        return this.getOtherService(selected, serviceName);
+      }
+    },
+
+    getOtherService: function dm_getOtherService(serviceId, otherServiceName) {
+      var deviceId = this._popDeviceId(serviceId);
+      for (var sid in this.devices[deviceId]) {
+        if (sid.indexOf(otherServiceName) != -1) {
+          return this.devices[deviceId][sid];
+        }
+      }
+    },
+
+    addService: function dm_addService(serviceWrapper) {
+      var deviceId = this._popDeviceId(serviceWrapper.svc.id);
+      if (!this.devices[deviceId]) {
+        this.devices[deviceId] = {};
+      }
+      this.devices[deviceId][serviceWrapper.svc.id] = serviceWrapper;
+    },
+
+    removeService: function dm_removeService(serviceId) {
+      var deviceId = this._popDeviceId(serviceId);
+      if (this.devices[deviceId]) {
+        return;
+      }
+      delete this.devices[deviceId][serviceId];
+      this.removeDeviceIfEmpty(deviceId);
+    },
+
+    removeDeviceIfEmpty: function dm_removeIfEmpty(deviceId) {
+      this.removeDevice(deviceId);
+    },
+
+    removeDevice: function dm_removeDevice(deviceId) {
+      delete this.devices[deviceId];
+    },
+
+    play: function dm_play(serviceId, mediaUrl, mediaMetadata) {
+      var deviceId = this._popDeviceId(serviceId);
+      var avtService = this.devices[deviceId][serviceId];
+
+      avtService.stop(0).then(function(e) {
+        return avtService.setAVTransportURI(0, mediaUrl, mediaMetadata);
+      }).then(function(e) {
+        return avtService.play(0).then(function() {
+          return avtManager.updateMediaInfo();
+        });
+      }).then(null, function(e) {
+        console.log('Error:' + e.description);
+      });
+    }
+  };
+
+  exports.DeviceManager = DeviceManager;
+}(window));