gecko-dev/dom/bluetooth2/BluetoothGattCharacteristic.h

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