B2G/Bluetooth/WebBluetooth-v2/BluetoothGattService: Difference between revisions

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Revision as of 07:43, 22 August 2014

Overview

BluetoothGattService represents the service provided by GATT server. BluetoothGattService is consisted of its service definition, a list of included services which are referenced by this service, and a list of characteristics in this service.

Interfaces

BluetoothGattService

BluetoothGattService

[CheckPermissions="bluetooth"]
interface BluetoothGattService
{
  [Cached, Pure]
  readonly attribute sequence<BluetoothGattCharacteristic> characteristics;
  [Cached, Pure]
  readonly attribute sequence<BluetoothGattService>     includedServices;
  readonly attribute boolean                               isPrimary;
  readonly attribute DOMString                             uuid;
  readonly attribute int                                   instanceId;

  BluetoothGattCharacteristic? findCharacteristic(DOMString uuid);
};

Properties

characteristics

Description
A cached array of charactertistics contained in this service.
Value Type
sequence<BluetoothGattCharacteristic>
Default Value
An empty array. (array with length = 0)

includedServices

Description
A cached array of included services referenced by this service.
Value Type
sequence<BluetoothGattService>
Default Value
Empty array (array with length = 0)

isPrimary

Description
Indicate whether this is a primary or secondary service.
Value Type
boolean
Default Value
false

uuid

Description
This property stores the UUID of this service.
Value Type
DOMString
Default Value
Empty string ("")

instanceId

Description
This property stores the instance id of this service.
Value Type
integer
Default Value
0

Methods

findCharacteristic(DOMString uuid)

Description
The method finds a characteristic in this service from the characteristics property by the given UUID.
When there are multiple characteristics with the same UUID existed in the service, the first one will be returned.
Parameters
uuid
UUID DOMString of the characteristic to seek for.
Return
The first characteristic with the given uuid in characteristics property.
A null ptr is returned if no characteristic is found.
Sample
TBD
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