зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
3.1 KiB
C++
98 строки
3.1 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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#include "BluetoothService.h"
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#include "BluetoothUtils.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/BluetoothGattCharacteristic.h"
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#include "mozilla/dom/bluetooth/BluetoothGattDescriptor.h"
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#include "mozilla/dom/bluetooth/BluetoothGattService.h"
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#include "mozilla/dom/bluetooth/BluetoothTypes.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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USING_BLUETOOTH_NAMESPACE
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(
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BluetoothGattCharacteristic, mOwner, mService, mDescriptors)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(BluetoothGattCharacteristic)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(BluetoothGattCharacteristic)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(BluetoothGattCharacteristic)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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BluetoothGattCharacteristic::BluetoothGattCharacteristic(
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nsPIDOMWindow* aOwner,
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BluetoothGattService* aService,
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const BluetoothGattId& aCharId)
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: mOwner(aOwner)
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, mService(aService)
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, mCharId(aCharId)
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{
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MOZ_ASSERT(aOwner);
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MOZ_ASSERT(mService);
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BluetoothService* bs = BluetoothService::Get();
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NS_ENSURE_TRUE_VOID(bs);
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// Generate bluetooth signal path and a string representation to provide uuid
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// of this characteristic to applications
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nsString path;
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GeneratePathFromGattId(mCharId, path, mUuidStr);
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bs->RegisterBluetoothSignalHandler(path, this);
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}
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BluetoothGattCharacteristic::~BluetoothGattCharacteristic()
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{
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BluetoothService* bs = BluetoothService::Get();
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NS_ENSURE_TRUE_VOID(bs);
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nsString path;
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GeneratePathFromGattId(mCharId, path);
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bs->UnregisterBluetoothSignalHandler(path, this);
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}
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void
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BluetoothGattCharacteristic::HandleDescriptorsDiscovered(
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const BluetoothValue& aValue)
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{
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MOZ_ASSERT(aValue.type() == BluetoothValue::TArrayOfBluetoothGattId);
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const InfallibleTArray<BluetoothGattId>& descriptorIds =
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aValue.get_ArrayOfBluetoothGattId();
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for (uint32_t i = 0; i < descriptorIds.Length(); i++) {
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mDescriptors.AppendElement(new BluetoothGattDescriptor(
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GetParentObject(), this, descriptorIds[i]));
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}
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BluetoothGattCharacteristicBinding::ClearCachedDescriptorsValue(this);
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}
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void
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BluetoothGattCharacteristic::Notify(const BluetoothSignal& aData)
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{
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BT_LOGD("[D] %s", NS_ConvertUTF16toUTF8(aData.name()).get());
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BluetoothValue v = aData.value();
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if (aData.name().EqualsLiteral("DescriptorsDiscovered")) {
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HandleDescriptorsDiscovered(v);
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} else {
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BT_WARNING("Not handling GATT Characteristic signal: %s",
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NS_ConvertUTF16toUTF8(aData.name()).get());
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}
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}
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JSObject*
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BluetoothGattCharacteristic::WrapObject(JSContext* aContext,
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JS::Handle<JSObject*> aGivenProto)
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{
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return BluetoothGattCharacteristicBinding::Wrap(aContext, this, aGivenProto);
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}
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