mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-14 15:37:55 +00:00
478 lines
12 KiB
C++
478 lines
12 KiB
C++
/* -*- 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 "BluetoothA2dpManager.h"
|
|
|
|
#include "BluetoothCommon.h"
|
|
#include "BluetoothService.h"
|
|
#include "BluetoothSocket.h"
|
|
#include "BluetoothUtils.h"
|
|
|
|
#include "mozilla/dom/bluetooth/BluetoothTypes.h"
|
|
#include "mozilla/Services.h"
|
|
#include "mozilla/StaticPtr.h"
|
|
#include "nsIObserverService.h"
|
|
#include "MainThreadUtils.h"
|
|
|
|
|
|
using namespace mozilla;
|
|
USING_BLUETOOTH_NAMESPACE
|
|
|
|
namespace {
|
|
StaticRefPtr<BluetoothA2dpManager> sBluetoothA2dpManager;
|
|
bool sInShutdown = false;
|
|
} // anonymous namespace
|
|
|
|
NS_IMETHODIMP
|
|
BluetoothA2dpManager::Observe(nsISupports* aSubject,
|
|
const char* aTopic,
|
|
const char16_t* aData)
|
|
{
|
|
MOZ_ASSERT(sBluetoothA2dpManager);
|
|
|
|
if (!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID)) {
|
|
HandleShutdown();
|
|
return NS_OK;
|
|
}
|
|
|
|
MOZ_ASSERT(false, "BluetoothA2dpManager got unexpected topic!");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
BluetoothA2dpManager::BluetoothA2dpManager()
|
|
{
|
|
Reset();
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::Reset()
|
|
{
|
|
ResetA2dp();
|
|
ResetAvrcp();
|
|
}
|
|
|
|
bool
|
|
BluetoothA2dpManager::Init()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
NS_ENSURE_TRUE(obs, false);
|
|
if (NS_FAILED(obs->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false))) {
|
|
BT_WARNING("Failed to add shutdown observer!");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
BluetoothA2dpManager::~BluetoothA2dpManager()
|
|
{
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
NS_ENSURE_TRUE_VOID(obs);
|
|
if (NS_FAILED(obs->RemoveObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID))) {
|
|
BT_WARNING("Failed to remove shutdown observer!");
|
|
}
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::ResetA2dp()
|
|
{
|
|
mA2dpConnected = false;
|
|
mSinkState = SinkState::SINK_DISCONNECTED;
|
|
mController = nullptr;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::ResetAvrcp()
|
|
{
|
|
mAvrcpConnected = false;
|
|
mDuration = 0;
|
|
mMediaNumber = 0;
|
|
mTotalMediaCount = 0;
|
|
mPosition = 0;
|
|
mPlayStatus = ControlPlayStatus::PLAYSTATUS_UNKNOWN;
|
|
}
|
|
|
|
static BluetoothA2dpManager::SinkState
|
|
StatusStringToSinkState(const nsAString& aStatus)
|
|
{
|
|
BluetoothA2dpManager::SinkState state =
|
|
BluetoothA2dpManager::SinkState::SINK_UNKNOWN;
|
|
if (aStatus.EqualsLiteral("disconnected")) {
|
|
state = BluetoothA2dpManager::SinkState::SINK_DISCONNECTED;
|
|
} else if (aStatus.EqualsLiteral("connecting")) {
|
|
state = BluetoothA2dpManager::SinkState::SINK_CONNECTING;
|
|
} else if (aStatus.EqualsLiteral("connected")) {
|
|
state = BluetoothA2dpManager::SinkState::SINK_CONNECTED;
|
|
} else if (aStatus.EqualsLiteral("playing")) {
|
|
state = BluetoothA2dpManager::SinkState::SINK_PLAYING;
|
|
} else {
|
|
BT_WARNING("Unknown sink state");
|
|
}
|
|
return state;
|
|
}
|
|
|
|
//static
|
|
BluetoothA2dpManager*
|
|
BluetoothA2dpManager::Get()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
// If sBluetoothA2dpManager already exists, exit early
|
|
if (sBluetoothA2dpManager) {
|
|
return sBluetoothA2dpManager;
|
|
}
|
|
|
|
// If we're in shutdown, don't create a new instance
|
|
NS_ENSURE_FALSE(sInShutdown, nullptr);
|
|
|
|
// Create a new instance, register, and return
|
|
BluetoothA2dpManager* manager = new BluetoothA2dpManager();
|
|
NS_ENSURE_TRUE(manager->Init(), nullptr);
|
|
|
|
sBluetoothA2dpManager = manager;
|
|
return sBluetoothA2dpManager;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::HandleShutdown()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
sInShutdown = true;
|
|
Disconnect(nullptr);
|
|
sBluetoothA2dpManager = nullptr;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::Connect(const nsAString& aDeviceAddress,
|
|
BluetoothProfileController* aController)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!aDeviceAddress.IsEmpty());
|
|
MOZ_ASSERT(aController && !mController);
|
|
|
|
BluetoothService* bs = BluetoothService::Get();
|
|
if (!bs || sInShutdown) {
|
|
aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
|
|
return;
|
|
}
|
|
|
|
if (mA2dpConnected) {
|
|
aController->NotifyCompletion(NS_LITERAL_STRING(ERR_ALREADY_CONNECTED));
|
|
return;
|
|
}
|
|
|
|
mDeviceAddress = aDeviceAddress;
|
|
mController = aController;
|
|
|
|
if (NS_FAILED(bs->SendSinkMessage(aDeviceAddress,
|
|
NS_LITERAL_STRING("Connect")))) {
|
|
aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
|
|
return;
|
|
}
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::Disconnect(BluetoothProfileController* aController)
|
|
{
|
|
BluetoothService* bs = BluetoothService::Get();
|
|
if (!bs) {
|
|
if (aController) {
|
|
aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (!mA2dpConnected) {
|
|
if (aController) {
|
|
aController->NotifyCompletion(NS_LITERAL_STRING(ERR_ALREADY_DISCONNECTED));
|
|
}
|
|
return;
|
|
}
|
|
|
|
MOZ_ASSERT(!mDeviceAddress.IsEmpty());
|
|
MOZ_ASSERT(!mController);
|
|
|
|
mController = aController;
|
|
|
|
if (NS_FAILED(bs->SendSinkMessage(mDeviceAddress,
|
|
NS_LITERAL_STRING("Disconnect")))) {
|
|
aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
|
|
return;
|
|
}
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::OnConnect(const nsAString& aErrorStr)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
/**
|
|
* On the one hand, notify the controller that we've done for outbound
|
|
* connections. On the other hand, we do nothing for inbound connections.
|
|
*/
|
|
NS_ENSURE_TRUE_VOID(mController);
|
|
|
|
nsRefPtr<BluetoothProfileController> controller = mController.forget();
|
|
controller->NotifyCompletion(aErrorStr);
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::OnDisconnect(const nsAString& aErrorStr)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
/**
|
|
* On the one hand, notify the controller that we've done for outbound
|
|
* connections. On the other hand, we do nothing for inbound connections.
|
|
*/
|
|
NS_ENSURE_TRUE_VOID(mController);
|
|
|
|
nsRefPtr<BluetoothProfileController> controller = mController.forget();
|
|
controller->NotifyCompletion(aErrorStr);
|
|
|
|
Reset();
|
|
}
|
|
|
|
/* HandleSinkPropertyChanged update sink state in A2dp
|
|
*
|
|
* Possible values: "disconnected", "connecting", "connected", "playing"
|
|
*
|
|
* 1. "disconnected" -> "connecting"
|
|
* Either an incoming or outgoing connection attempt ongoing
|
|
* 2. "connecting" -> "disconnected"
|
|
* Connection attempt failed
|
|
* 3. "connecting" -> "connected"
|
|
* Successfully connected
|
|
* 4. "connected" -> "playing"
|
|
* Audio stream active
|
|
* 5. "playing" -> "connected"
|
|
* Audio stream suspended
|
|
* 6. "connected" -> "disconnected"
|
|
* "playing" -> "disconnected"
|
|
* Disconnected from local or the remote device
|
|
*/
|
|
void
|
|
BluetoothA2dpManager::HandleSinkPropertyChanged(const BluetoothSignal& aSignal)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aSignal.value().type() == BluetoothValue::TArrayOfBluetoothNamedValue);
|
|
|
|
const nsString& address = aSignal.path();
|
|
/**
|
|
* Update sink property only if
|
|
* - mDeviceAddress is empty (A2dp is disconnected), or
|
|
* - this property change is from the connected sink.
|
|
*/
|
|
NS_ENSURE_TRUE_VOID(mDeviceAddress.IsEmpty() ||
|
|
mDeviceAddress.Equals(address));
|
|
|
|
const InfallibleTArray<BluetoothNamedValue>& arr =
|
|
aSignal.value().get_ArrayOfBluetoothNamedValue();
|
|
MOZ_ASSERT(arr.Length() == 1);
|
|
|
|
/**
|
|
* There are three properties:
|
|
* - "State": a string
|
|
* - "Connected": a boolean value
|
|
* - "Playing": a boolean value
|
|
*
|
|
* Note that only "State" is handled in this function.
|
|
*/
|
|
|
|
const nsString& name = arr[0].name();
|
|
NS_ENSURE_TRUE_VOID(name.EqualsLiteral("State"));
|
|
|
|
const BluetoothValue& value = arr[0].value();
|
|
MOZ_ASSERT(value.type() == BluetoothValue::TnsString);
|
|
SinkState newState = StatusStringToSinkState(value.get_nsString());
|
|
NS_ENSURE_TRUE_VOID((newState != SinkState::SINK_UNKNOWN) &&
|
|
(newState != mSinkState));
|
|
|
|
/**
|
|
* Reject 'connected' state change if bluetooth is already disabled.
|
|
* Sink state would be reset to 'disconnected' when bluetooth is disabled.
|
|
*
|
|
* See bug 984284 for more information about the edge case.
|
|
*/
|
|
NS_ENSURE_FALSE_VOID(newState == SinkState::SINK_CONNECTED &&
|
|
mSinkState == SinkState::SINK_DISCONNECTED);
|
|
|
|
SinkState prevState = mSinkState;
|
|
mSinkState = newState;
|
|
|
|
switch(mSinkState) {
|
|
case SinkState::SINK_CONNECTING:
|
|
// case 1: Either an incoming or outgoing connection attempt ongoing
|
|
MOZ_ASSERT(prevState == SinkState::SINK_DISCONNECTED);
|
|
break;
|
|
case SinkState::SINK_PLAYING:
|
|
// case 4: Audio stream active
|
|
MOZ_ASSERT(prevState == SinkState::SINK_CONNECTED);
|
|
break;
|
|
case SinkState::SINK_CONNECTED:
|
|
// case 5: Audio stream suspended
|
|
if (prevState == SinkState::SINK_PLAYING) {
|
|
break;
|
|
}
|
|
|
|
// case 3: Successfully connected
|
|
MOZ_ASSERT(prevState == SinkState::SINK_CONNECTING);
|
|
|
|
mA2dpConnected = true;
|
|
mDeviceAddress = address;
|
|
NotifyConnectionStatusChanged();
|
|
|
|
OnConnect(EmptyString());
|
|
break;
|
|
case SinkState::SINK_DISCONNECTED:
|
|
// case 2: Connection attempt failed
|
|
if (prevState == SinkState::SINK_CONNECTING) {
|
|
OnConnect(NS_LITERAL_STRING(ERR_CONNECTION_FAILED));
|
|
break;
|
|
}
|
|
|
|
// case 6: Disconnected from the remote device
|
|
MOZ_ASSERT(prevState == SinkState::SINK_CONNECTED ||
|
|
prevState == SinkState::SINK_PLAYING);
|
|
|
|
mA2dpConnected = false;
|
|
NotifyConnectionStatusChanged();
|
|
mDeviceAddress.Truncate();
|
|
OnDisconnect(EmptyString());
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::NotifyConnectionStatusChanged()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
// Notify Gecko observers
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
NS_ENSURE_TRUE_VOID(obs);
|
|
|
|
if (NS_FAILED(obs->NotifyObservers(this,
|
|
BLUETOOTH_A2DP_STATUS_CHANGED_ID,
|
|
mDeviceAddress.get()))) {
|
|
BT_WARNING("Failed to notify bluetooth-a2dp-status-changed observsers!");
|
|
}
|
|
|
|
// Dispatch an event of status change
|
|
DispatchStatusChangedEvent(
|
|
NS_LITERAL_STRING(A2DP_STATUS_CHANGED_ID), mDeviceAddress, mA2dpConnected);
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::OnGetServiceChannel(const nsAString& aDeviceAddress,
|
|
const nsAString& aServiceUuid,
|
|
int aChannel)
|
|
{
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::OnUpdateSdpRecords(const nsAString& aDeviceAddress)
|
|
{
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::GetAddress(nsAString& aDeviceAddress)
|
|
{
|
|
aDeviceAddress = mDeviceAddress;
|
|
}
|
|
|
|
bool
|
|
BluetoothA2dpManager::IsConnected()
|
|
{
|
|
return mA2dpConnected;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::SetAvrcpConnected(bool aConnected)
|
|
{
|
|
mAvrcpConnected = aConnected;
|
|
if (!aConnected) {
|
|
ResetAvrcp();
|
|
}
|
|
}
|
|
|
|
bool
|
|
BluetoothA2dpManager::IsAvrcpConnected()
|
|
{
|
|
return mAvrcpConnected;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::UpdateMetaData(const nsAString& aTitle,
|
|
const nsAString& aArtist,
|
|
const nsAString& aAlbum,
|
|
uint64_t aMediaNumber,
|
|
uint64_t aTotalMediaCount,
|
|
uint32_t aDuration)
|
|
{
|
|
mTitle.Assign(aTitle);
|
|
mArtist.Assign(aArtist);
|
|
mAlbum.Assign(aAlbum);
|
|
mMediaNumber = aMediaNumber;
|
|
mTotalMediaCount = aTotalMediaCount;
|
|
mDuration = aDuration;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::UpdatePlayStatus(uint32_t aDuration,
|
|
uint32_t aPosition,
|
|
ControlPlayStatus aPlayStatus)
|
|
{
|
|
mDuration = aDuration;
|
|
mPosition = aPosition;
|
|
mPlayStatus = aPlayStatus;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::GetAlbum(nsAString& aAlbum)
|
|
{
|
|
aAlbum.Assign(mAlbum);
|
|
}
|
|
|
|
uint32_t
|
|
BluetoothA2dpManager::GetDuration()
|
|
{
|
|
return mDuration;
|
|
}
|
|
|
|
ControlPlayStatus
|
|
BluetoothA2dpManager::GetPlayStatus()
|
|
{
|
|
return mPlayStatus;
|
|
}
|
|
|
|
uint32_t
|
|
BluetoothA2dpManager::GetPosition()
|
|
{
|
|
return mPosition;
|
|
}
|
|
|
|
uint64_t
|
|
BluetoothA2dpManager::GetMediaNumber()
|
|
{
|
|
return mMediaNumber;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::GetTitle(nsAString& aTitle)
|
|
{
|
|
aTitle.Assign(mTitle);
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(BluetoothA2dpManager, nsIObserver)
|
|
|