mirror of
https://github.com/mozilla/gecko-dev.git
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139 lines
4.7 KiB
C++
139 lines
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=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/BluetoothGattServiceBinding.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/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_CLASS(BluetoothGattService)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(BluetoothGattService)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOwner)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mIncludedServices)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mCharacteristics)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
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/**
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* Unregister the bluetooth signal handler after unlinked.
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*
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* This is needed to avoid ending up with exposing a deleted object to JS or
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* accessing deleted objects while receiving signals from parent process
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* after unlinked. Please see Bug 1138267 for detail informations.
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*/
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nsString path;
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GeneratePathFromGattId(tmp->mServiceId.mId, path);
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UnregisterBluetoothSignalHandler(path, tmp);
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(BluetoothGattService)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOwner)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIncludedServices)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCharacteristics)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(BluetoothGattService)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(BluetoothGattService)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(BluetoothGattService)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(BluetoothGattService)
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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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BluetoothGattService::BluetoothGattService(
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nsPIDOMWindow* aOwner, const nsAString& aAppUuid,
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const BluetoothGattServiceId& aServiceId)
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: mOwner(aOwner)
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, mAppUuid(aAppUuid)
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, mServiceId(aServiceId)
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{
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MOZ_ASSERT(aOwner);
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MOZ_ASSERT(!mAppUuid.IsEmpty());
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// Generate bluetooth signal path and a string representation to provide
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// uuid of this service to applications
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nsString path;
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GeneratePathFromGattId(mServiceId.mId, path, mUuidStr);
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RegisterBluetoothSignalHandler(path, this);
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}
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BluetoothGattService::~BluetoothGattService()
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{
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nsString path;
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GeneratePathFromGattId(mServiceId.mId, path);
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UnregisterBluetoothSignalHandler(path, this);
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}
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void
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BluetoothGattService::HandleIncludedServicesDiscovered(
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const BluetoothValue& aValue)
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{
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MOZ_ASSERT(aValue.type() == BluetoothValue::TArrayOfBluetoothGattServiceId);
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const InfallibleTArray<BluetoothGattServiceId>& includedServIds =
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aValue.get_ArrayOfBluetoothGattServiceId();
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mIncludedServices.Clear();
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for (uint32_t i = 0; i < includedServIds.Length(); i++) {
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mIncludedServices.AppendElement(new BluetoothGattService(
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GetParentObject(), mAppUuid, includedServIds[i]));
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}
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BluetoothGattServiceBinding::ClearCachedIncludedServicesValue(this);
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}
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void
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BluetoothGattService::HandleCharacteristicsDiscovered(
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const BluetoothValue& aValue)
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{
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MOZ_ASSERT(aValue.type() ==
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BluetoothValue::TArrayOfBluetoothGattCharAttribute);
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const InfallibleTArray<BluetoothGattCharAttribute>& characteristics =
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aValue.get_ArrayOfBluetoothGattCharAttribute();
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mCharacteristics.Clear();
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for (uint32_t i = 0; i < characteristics.Length(); i++) {
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mCharacteristics.AppendElement(new BluetoothGattCharacteristic(
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GetParentObject(), this, characteristics[i]));
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}
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BluetoothGattServiceBinding::ClearCachedCharacteristicsValue(this);
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}
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void
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BluetoothGattService::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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NS_ENSURE_TRUE_VOID(mSignalRegistered);
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BluetoothValue v = aData.value();
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if (aData.name().EqualsLiteral("IncludedServicesDiscovered")) {
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HandleIncludedServicesDiscovered(v);
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} else if (aData.name().EqualsLiteral("CharacteristicsDiscovered")) {
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HandleCharacteristicsDiscovered(v);
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} else {
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BT_WARNING("Not handling GATT Service 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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BluetoothGattService::WrapObject(JSContext* aContext,
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JS::Handle<JSObject*> aGivenProto)
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{
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return BluetoothGattServiceBinding::Wrap(aContext, this, aGivenProto);
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}
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