gecko/dom/bluetooth/BluetoothAdapter.cpp

397 lines
11 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=40: */
/* 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 "BluetoothAdapter.h"
#include "BluetoothDevice.h"
#include "BluetoothDeviceEvent.h"
#include "BluetoothPropertyEvent.h"
#include "BluetoothService.h"
#include "BluetoothTypes.h"
#include "BluetoothReplyRunnable.h"
#include "BluetoothUtils.h"
#include "nsDOMClassInfo.h"
#include "nsDOMEvent.h"
#include "nsThreadUtils.h"
#include "nsXPCOMCIDInternal.h"
#include "nsIDOMDOMRequest.h"
#include "nsContentUtils.h"
#include "mozilla/LazyIdleThread.h"
#include "mozilla/Util.h"
using namespace mozilla;
USING_BLUETOOTH_NAMESPACE
DOMCI_DATA(BluetoothAdapter, BluetoothAdapter)
NS_IMPL_CYCLE_COLLECTION_CLASS(BluetoothAdapter)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(BluetoothAdapter,
nsDOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mJsUuids)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mJsDeviceAddresses)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(BluetoothAdapter,
nsDOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(devicefound)
NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(devicedisappeared)
NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(propertychanged)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(BluetoothAdapter,
nsDOMEventTargetHelper)
tmp->Unroot();
NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(devicefound)
NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(devicedisappeared)
NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(propertychanged)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(BluetoothAdapter)
NS_INTERFACE_MAP_ENTRY(nsIDOMBluetoothAdapter)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(BluetoothAdapter)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(BluetoothAdapter, nsDOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(BluetoothAdapter, nsDOMEventTargetHelper)
BluetoothAdapter::BluetoothAdapter(nsPIDOMWindow* aOwner, const nsAString& aPath)
: BluetoothPropertyContainer(BluetoothObjectType::TYPE_ADAPTER)
, mJsUuids(nullptr)
, mJsDeviceAddresses(nullptr)
, mIsRooted(false)
{
BindToOwner(aOwner);
mPath = aPath;
}
BluetoothAdapter::~BluetoothAdapter()
{
BluetoothService* bs = BluetoothService::Get();
// We can be null on shutdown, where this might happen
if (bs) {
if (NS_FAILED(bs->UnregisterBluetoothSignalHandler(mPath, this))) {
NS_WARNING("Failed to unregister object with observer!");
}
}
Unroot();
}
void
BluetoothAdapter::Unroot()
{
if (!mIsRooted) {
return;
}
NS_DROP_JS_OBJECTS(this, BluetoothAdapter);
mIsRooted = false;
}
void
BluetoothAdapter::Root()
{
if (mIsRooted) {
return;
}
NS_HOLD_JS_OBJECTS(this, BluetoothAdapter);
mIsRooted = true;
}
void
BluetoothAdapter::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("Address")) {
mAddress = value.get_nsString();
} else if (name.EqualsLiteral("Path")) {
mPath = value.get_nsString();
} else if (name.EqualsLiteral("Enabled")) {
mEnabled = value.get_bool();
} else if (name.EqualsLiteral("Discoverable")) {
mDiscoverable = value.get_bool();
} else if (name.EqualsLiteral("Discovering")) {
mDiscovering = value.get_bool();
} else if (name.EqualsLiteral("Pairable")) {
mPairable = value.get_bool();
} else if (name.EqualsLiteral("Powered")) {
mPowered = value.get_bool();
} else if (name.EqualsLiteral("PairableTimeout")) {
mPairableTimeout = value.get_uint32_t();
} else if (name.EqualsLiteral("DiscoverableTimeout")) {
mDiscoverableTimeout = value.get_uint32_t();
} else if (name.EqualsLiteral("Class")) {
mClass = value.get_uint32_t();
} else if (name.EqualsLiteral("UUIDs")) {
mUuids = value.get_ArrayOfnsString();
nsresult rv;
nsIScriptContext* sc = GetContextForEventHandlers(&rv);
if (sc) {
rv =
StringArrayToJSArray(sc->GetNativeContext(),
sc->GetNativeGlobal(), mUuids, &mJsUuids);
if (NS_FAILED(rv)) {
NS_WARNING("Cannot set JS UUIDs object!");
return;
}
Root();
} else {
NS_WARNING("Could not get context!");
}
} else if (name.EqualsLiteral("Devices")) {
mDeviceAddresses = value.get_ArrayOfnsString();
nsresult rv;
nsIScriptContext* sc = GetContextForEventHandlers(&rv);
if (sc) {
rv =
StringArrayToJSArray(sc->GetNativeContext(),
sc->GetNativeGlobal(), mDeviceAddresses, &mJsDeviceAddresses);
if (NS_FAILED(rv)) {
NS_WARNING("Cannot set JS Device Addresses object!");
return;
}
Root();
} else {
NS_WARNING("Could not get context!");
}
} else {
#ifdef DEBUG
nsCString warningMsg;
warningMsg.AssignLiteral("Not handling adapter property: ");
warningMsg.Append(NS_ConvertUTF16toUTF8(name));
NS_WARNING(warningMsg.get());
#endif
}
}
// static
already_AddRefed<BluetoothAdapter>
BluetoothAdapter::Create(nsPIDOMWindow* aOwner, const nsAString& aPath)
{
// Make sure we at least have a path
NS_ASSERTION(!aPath.IsEmpty(), "Adapter created with empty path!");
BluetoothService* bs = BluetoothService::Get();
if (!bs) {
NS_WARNING("BluetoothService not available!");
return nullptr;
}
nsRefPtr<BluetoothAdapter> adapter = new BluetoothAdapter(aOwner, aPath);
nsString path;
path = adapter->GetPath();
if (NS_FAILED(bs->RegisterBluetoothSignalHandler(path, adapter))) {
NS_WARNING("Failed to register object with observer!");
return nullptr;
}
return adapter.forget();
}
void
BluetoothAdapter::Notify(const BluetoothSignal& aData)
{
if (aData.name().EqualsLiteral("DeviceFound")) {
nsRefPtr<BluetoothDevice> d = BluetoothDevice::Create(GetOwner(), mPath, aData.value());
nsRefPtr<BluetoothDeviceEvent> e = BluetoothDeviceEvent::Create(d);
e->Dispatch(ToIDOMEventTarget(), NS_LITERAL_STRING("devicefound"));
} else if (aData.name().EqualsLiteral("PropertyChanged")) {
// Get BluetoothNamedValue, make sure array length is 1
InfallibleTArray<BluetoothNamedValue> arr = aData.value().get_ArrayOfBluetoothNamedValue();
if (arr.Length() != 1) {
// This really should not happen
NS_ERROR("Got more than one property in a change message!");
return;
}
BluetoothNamedValue v = arr[0];
SetPropertyByValue(v);
nsRefPtr<BluetoothPropertyEvent> e = BluetoothPropertyEvent::Create(v.name());
e->Dispatch(ToIDOMEventTarget(), NS_LITERAL_STRING("propertychanged"));
} else {
#ifdef DEBUG
nsCString warningMsg;
warningMsg.AssignLiteral("Not handling manager signal: ");
warningMsg.Append(NS_ConvertUTF16toUTF8(aData.name()));
NS_WARNING(warningMsg.get());
#endif
}
}
nsresult
BluetoothAdapter::StartStopDiscovery(bool aStart, nsIDOMDOMRequest** aRequest)
{
BluetoothService* bs = BluetoothService::Get();
if (!bs) {
NS_WARNING("BluetoothService not available!");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDOMRequestService> rs = do_GetService("@mozilla.org/dom/dom-request-service;1");
if (!rs) {
NS_WARNING("No DOMRequest Service!");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDOMDOMRequest> req;
nsresult rv = rs->CreateRequest(GetOwner(), getter_AddRefs(req));
if (NS_FAILED(rv)) {
NS_WARNING("Can't create DOMRequest!");
return NS_ERROR_FAILURE;
}
nsRefPtr<BluetoothVoidReplyRunnable> results = new BluetoothVoidReplyRunnable(req);
if (aStart) {
rv = bs->StartDiscoveryInternal(mPath, results);
} else {
rv = bs->StopDiscoveryInternal(mPath, results);
}
if (NS_FAILED(rv)) {
NS_WARNING("Starting discovery failed!");
return NS_ERROR_FAILURE;
}
req.forget(aRequest);
// mDiscovering is not set here, we'll get a Property update from our external
// protocol to tell us that it's been set.
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::StartDiscovery(nsIDOMDOMRequest** aRequest)
{
return StartStopDiscovery(true, aRequest);
}
NS_IMETHODIMP
BluetoothAdapter::StopDiscovery(nsIDOMDOMRequest** aRequest)
{
return StartStopDiscovery(false, aRequest);
}
NS_IMETHODIMP
BluetoothAdapter::GetEnabled(bool* aEnabled)
{
*aEnabled = mEnabled;
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::GetAddress(nsAString& aAddress)
{
aAddress = mAddress;
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::GetAdapterClass(PRUint32* aClass)
{
*aClass = mClass;
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::GetDiscovering(bool* aDiscovering)
{
*aDiscovering = mDiscovering;
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::GetName(nsAString& aName)
{
aName = mName;
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::GetDiscoverable(bool* aDiscoverable)
{
*aDiscoverable = mDiscoverable;
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::GetDiscoverableTimeout(PRUint32* aDiscoverableTimeout)
{
*aDiscoverableTimeout = mDiscoverableTimeout;
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::GetDevices(JSContext* aCx, jsval* aDevices)
{
if (mJsDeviceAddresses) {
aDevices->setObject(*mJsDeviceAddresses);
}
else {
NS_WARNING("Devices not yet set!\n");
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
BluetoothAdapter::GetUuids(JSContext* aCx, jsval* aValue)
{
if (mJsUuids) {
aValue->setObject(*mJsUuids);
}
else {
NS_WARNING("UUIDs not yet set!\n");
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
BluetoothAdapter::SetName(const nsAString& aName,
nsIDOMDOMRequest** aRequest)
{
if (mName.Equals(aName)) {
return NS_OK;
}
nsString name(aName);
BluetoothValue value(name);
BluetoothNamedValue property(NS_LITERAL_STRING("Name"), value);
return SetProperty(GetOwner(), property, aRequest);
}
NS_IMETHODIMP
BluetoothAdapter::SetDiscoverable(const bool aDiscoverable,
nsIDOMDOMRequest** aRequest)
{
if (aDiscoverable == mDiscoverable) {
return NS_OK;
}
BluetoothValue value(aDiscoverable);
BluetoothNamedValue property(NS_LITERAL_STRING("Discoverable"), value);
return SetProperty(GetOwner(), property, aRequest);
}
NS_IMETHODIMP
BluetoothAdapter::SetDiscoverableTimeout(const PRUint32 aDiscoverableTimeout,
nsIDOMDOMRequest** aRequest)
{
if (aDiscoverableTimeout == mDiscoverableTimeout) {
return NS_OK;
}
BluetoothValue value(aDiscoverableTimeout);
BluetoothNamedValue property(NS_LITERAL_STRING("DiscoverableTimeout"), value);
return SetProperty(GetOwner(), property, aRequest);
}
NS_IMPL_EVENT_HANDLER(BluetoothAdapter, propertychanged)
NS_IMPL_EVENT_HANDLER(BluetoothAdapter, devicefound)
NS_IMPL_EVENT_HANDLER(BluetoothAdapter, devicedisappeared)