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133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_bluetooth_bluetoothgattcharacteristic_h__
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#define mozilla_dom_bluetooth_bluetoothgattcharacteristic_h__
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/BluetoothGattCharacteristicBinding.h"
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#include "mozilla/dom/bluetooth/BluetoothCommon.h"
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#include "mozilla/dom/bluetooth/BluetoothGattDescriptor.h"
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#include "nsCOMPtr.h"
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#include "nsWrapperCache.h"
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#include "nsPIDOMWindow.h"
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namespace mozilla {
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namespace dom {
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class Promise;
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}
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}
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BEGIN_BLUETOOTH_NAMESPACE
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class BluetoothGattService;
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class BluetoothSignal;
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class BluetoothValue;
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class BluetoothGattCharacteristic final : public nsISupports
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, public nsWrapperCache
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, public BluetoothSignalObserver
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(BluetoothGattCharacteristic)
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/****************************************************************************
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* Attribute Getters
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***************************************************************************/
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BluetoothGattService* Service() const
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{
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return mService;
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}
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void GetDescriptors(
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nsTArray<nsRefPtr<BluetoothGattDescriptor>>& aDescriptors) const
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{
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aDescriptors = mDescriptors;
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}
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void GetUuid(nsString& aUuidStr) const
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{
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aUuidStr = mUuidStr;
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}
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int InstanceId() const
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{
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return mCharId.mInstanceId;
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}
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/****************************************************************************
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* Methods (Web API Implementation)
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***************************************************************************/
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already_AddRefed<Promise> StartNotifications(ErrorResult& aRv);
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already_AddRefed<Promise> StopNotifications(ErrorResult& aRv);
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/****************************************************************************
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* Others
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***************************************************************************/
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const BluetoothGattId& GetCharacteristicId() const
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{
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return mCharId;
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}
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void Notify(const BluetoothSignal& aData); // BluetoothSignalObserver
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nsPIDOMWindow* GetParentObject() const
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{
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return mOwner;
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}
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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BluetoothGattCharacteristic(nsPIDOMWindow* aOwner,
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BluetoothGattService* aService,
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const BluetoothGattId& aCharId);
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private:
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~BluetoothGattCharacteristic();
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/**
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* Add newly discovered GATT descriptors into mDescriptors and update the
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* cache value of mDescriptors.
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*
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* @param aValue [in] BluetoothValue which contains an array of
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* BluetoothGattId of all discovered descriptors.
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*/
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void HandleDescriptorsDiscovered(const BluetoothValue& aValue);
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/****************************************************************************
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* Variables
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***************************************************************************/
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nsCOMPtr<nsPIDOMWindow> mOwner;
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/**
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* Service that this characteristic belongs to.
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*/
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nsRefPtr<BluetoothGattService> mService;
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/**
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* Array of discovered descriptors for this characteristic.
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*/
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nsTArray<nsRefPtr<BluetoothGattDescriptor>> mDescriptors;
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/**
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* GattId of this GATT characteristic which contains
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* 1) mUuid: UUID of this characteristic in byte array format.
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* 2) mInstanceId: Instance id of this characteristic.
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*/
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BluetoothGattId mCharId;
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/**
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* UUID string of this GATT characteristic.
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*/
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nsString mUuidStr;
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};
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END_BLUETOOTH_NAMESPACE
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#endif
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