The Tor Browser: dom/bluetooth/BluetoothDevice.cpp@b8a032363ba2 (annotated)

dom/bluetooth/BluetoothDevice.cpp@b8a032363ba2 (annotated)

dom/bluetooth/BluetoothDevice.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- 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/. */
 #include "base/basictypes.h"
 #include "BluetoothDevice.h"
 #include "BluetoothReplyRunnable.h"
 #include "BluetoothService.h"
 #include "BluetoothUtils.h"
 #include "nsDOMClassInfo.h"
 #include "nsTArrayHelpers.h"
 #include "mozilla/dom/bluetooth/BluetoothTypes.h"
 #include "mozilla/dom/BluetoothDeviceBinding.h"
 USING_BLUETOOTH_NAMESPACE
 DOMCI_DATA(BluetoothDevice, BluetoothDevice)
 NS_IMPL_CYCLE_COLLECTION_CLASS(BluetoothDevice)
 NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(BluetoothDevice,
                                                DOMEventTargetHelper)
   NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mJsUuids)
   NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mJsServices)
 NS_IMPL_CYCLE_COLLECTION_TRACE_END
 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(BluetoothDevice,
                                                   DOMEventTargetHelper)
   NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(BluetoothDevice,
                                                 DOMEventTargetHelper)
   tmp->Unroot();
 NS_IMPL_CYCLE_COLLECTION_UNLINK_END
 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(BluetoothDevice)
 NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
 NS_IMPL_ADDREF_INHERITED(BluetoothDevice, DOMEventTargetHelper)
 NS_IMPL_RELEASE_INHERITED(BluetoothDevice, DOMEventTargetHelper)
 BluetoothDevice::BluetoothDevice(nsPIDOMWindow* aWindow,
                                  const nsAString& aAdapterPath,
                                  const BluetoothValue& aValue)
   : DOMEventTargetHelper(aWindow)
   , BluetoothPropertyContainer(BluetoothObjectType::TYPE_DEVICE)
   , mJsUuids(nullptr)
   , mJsServices(nullptr)
   , mAdapterPath(aAdapterPath)
   , mIsRooted(false)
 {
   MOZ_ASSERT(aWindow);
   MOZ_ASSERT(IsDOMBinding());
   const InfallibleTArray<BluetoothNamedValue>& values =
     aValue.get_ArrayOfBluetoothNamedValue();
   for (uint32_t i = 0; i < values.Length(); ++i) {
     SetPropertyByValue(values[i]);
   }
   BluetoothService* bs = BluetoothService::Get();
   NS_ENSURE_TRUE_VOID(bs);
   bs->RegisterBluetoothSignalHandler(mAddress, this);
 }
 BluetoothDevice::~BluetoothDevice()
 {
   BluetoothService* bs = BluetoothService::Get();
   // bs can be null on shutdown, where destruction might happen.
   NS_ENSURE_TRUE_VOID(bs);
   bs->UnregisterBluetoothSignalHandler(mAddress, this);
   Unroot();
 }
 void
 BluetoothDevice::DisconnectFromOwner()
 {
   DOMEventTargetHelper::DisconnectFromOwner();
   BluetoothService* bs = BluetoothService::Get();
   NS_ENSURE_TRUE_VOID(bs);
   bs->UnregisterBluetoothSignalHandler(mAddress, this);
 }
 void
 BluetoothDevice::Root()
 {
   if (!mIsRooted) {
     mozilla::HoldJSObjects(this);
     mIsRooted = true;
   }
 }
 void
 BluetoothDevice::Unroot()
 {
   if (mIsRooted) {
     mJsUuids = nullptr;
     mJsServices = nullptr;
     mozilla::DropJSObjects(this);
     mIsRooted = false;
   }
 }
 void
 BluetoothDevice::SetPropertyByValue(const BluetoothNamedValue& aValue)
 {
   const nsString& name = aValue.name();
   const BluetoothValue& value = aValue.value();
   if (name.EqualsLiteral("Name")) {
     mName = value.get_nsString();
   } else if (name.EqualsLiteral("Path")) {
     MOZ_ASSERT(value.get_nsString().Length() > 0);
     mPath = value.get_nsString();
   } else if (name.EqualsLiteral("Address")) {
     mAddress = value.get_nsString();
   } else if (name.EqualsLiteral("Class")) {
     mClass = value.get_uint32_t();
   } else if (name.EqualsLiteral("Icon")) {
     mIcon = value.get_nsString();
   } else if (name.EqualsLiteral("Connected")) {
     mConnected = value.get_bool();
   } else if (name.EqualsLiteral("Paired")) {
     mPaired = value.get_bool();
   } else if (name.EqualsLiteral("UUIDs")) {
     mUuids = value.get_ArrayOfnsString();
     nsresult rv;
     nsIScriptContext* sc = GetContextForEventHandlers(&rv);
     NS_ENSURE_SUCCESS_VOID(rv);
     NS_ENSURE_TRUE_VOID(sc);
     AutoPushJSContext cx(sc->GetNativeContext());
     JS::Rooted<JSObject*> uuids(cx);
     if (NS_FAILED(nsTArrayToJSArray(cx, mUuids, uuids.address()))) {
       BT_WARNING("Cannot set JS UUIDs object!");
       return;
     }
     mJsUuids = uuids;
     Root();
   } else if (name.EqualsLiteral("Services")) {
     mServices = value.get_ArrayOfnsString();
     nsresult rv;
     nsIScriptContext* sc = GetContextForEventHandlers(&rv);
     NS_ENSURE_SUCCESS_VOID(rv);
     NS_ENSURE_TRUE_VOID(sc);
     AutoPushJSContext cx(sc->GetNativeContext());
     JS::Rooted<JSObject*> services(cx);
     if (NS_FAILED(nsTArrayToJSArray(cx, mServices, services.address()))) {
       BT_WARNING("Cannot set JS Services object!");
       return;
     }
     mJsServices = services;
     Root();
   } else {
     nsCString warningMsg;
     warningMsg.AssignLiteral("Not handling device property: ");
     warningMsg.Append(NS_ConvertUTF16toUTF8(name));
     BT_WARNING(warningMsg.get());
   }
 }
 // static
 already_AddRefed<BluetoothDevice>
 BluetoothDevice::Create(nsPIDOMWindow* aWindow,
                         const nsAString& aAdapterPath,
                         const BluetoothValue& aValue)
 {
   MOZ_ASSERT(NS_IsMainThread());
   MOZ_ASSERT(aWindow);
   nsRefPtr<BluetoothDevice> device =
     new BluetoothDevice(aWindow, aAdapterPath, aValue);
   return device.forget();
 }
 void
 BluetoothDevice::Notify(const BluetoothSignal& aData)
 {
   BT_LOGD("[D] %s: %s", __FUNCTION__, NS_ConvertUTF16toUTF8(aData.name()).get());
   BluetoothValue v = aData.value();
   if (aData.name().EqualsLiteral("PropertyChanged")) {
     MOZ_ASSERT(v.type() == BluetoothValue::TArrayOfBluetoothNamedValue);
     const InfallibleTArray<BluetoothNamedValue>& arr =
       v.get_ArrayOfBluetoothNamedValue();
     for (uint32_t i = 0, propCount = arr.Length(); i < propCount; ++i) {
       SetPropertyByValue(arr[i]);
     }
   } else {
 #ifdef DEBUG
     nsCString warningMsg;
     warningMsg.AssignLiteral("Not handling device signal: ");
     warningMsg.Append(NS_ConvertUTF16toUTF8(aData.name()));
     BT_WARNING(warningMsg.get());
 #endif
   }
 }
 void
 BluetoothDevice::GetUuids(JSContext* aContext,
                            JS::MutableHandle<JS::Value> aUuids,
                            ErrorResult& aRv)
 {
   if (!mJsUuids) {
     BT_WARNING("UUIDs not yet set!");
     aRv.Throw(NS_ERROR_FAILURE);
     return;
   }
   JS::ExposeObjectToActiveJS(mJsUuids);
   aUuids.setObject(*mJsUuids);
 }
 void
 BluetoothDevice::GetServices(JSContext* aCx,
                              JS::MutableHandle<JS::Value> aServices,
                              ErrorResult& aRv)
 {
   if (!mJsServices) {
     BT_WARNING("Services not yet set!");
     aRv.Throw(NS_ERROR_FAILURE);
     return;
   }
   JS::ExposeObjectToActiveJS(mJsServices);
   aServices.setObject(*mJsServices);
 }
 JSObject*
 BluetoothDevice::WrapObject(JSContext* aContext)
 {
   return BluetoothDeviceBinding::Wrap(aContext, this);
 }

The Tor Browser / annotate

dom/bluetooth/BluetoothDevice.cpp@b8a032363ba2 (annotated)

dom/bluetooth/BluetoothDevice.cpp