mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
770 lines
20 KiB
C++
770 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=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 "MainThreadUtils.h"
|
|
#include "nsIObserverService.h"
|
|
#include "nsThreadUtils.h"
|
|
|
|
using namespace mozilla;
|
|
USING_BLUETOOTH_NAMESPACE
|
|
// AVRC_ID op code follows bluedroid avrc_defs.h
|
|
#define AVRC_ID_REWIND 0x48
|
|
#define AVRC_ID_FAST_FOR 0x49
|
|
#define AVRC_KEY_PRESS_STATE 1
|
|
#define AVRC_KEY_RELEASE_STATE 0
|
|
// bluedroid bt_rc.h
|
|
#define AVRC_MAX_ATTR_STR_LEN 255
|
|
|
|
namespace {
|
|
StaticRefPtr<BluetoothA2dpManager> sBluetoothA2dpManager;
|
|
bool sInShutdown = false;
|
|
static BluetoothA2dpInterface* sBtA2dpInterface;
|
|
} // namespace
|
|
|
|
const int BluetoothA2dpManager::MAX_NUM_CLIENTS = 1;
|
|
|
|
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()
|
|
{
|
|
mA2dpConnected = false;
|
|
mSinkState = SinkState::SINK_DISCONNECTED;
|
|
mController = nullptr;
|
|
}
|
|
|
|
static void
|
|
AvStatusToSinkString(BluetoothA2dpConnectionState aState, nsAString& aString)
|
|
{
|
|
switch (aState) {
|
|
case A2DP_CONNECTION_STATE_DISCONNECTED:
|
|
aString.AssignLiteral("disconnected");
|
|
break;
|
|
case A2DP_CONNECTION_STATE_CONNECTING:
|
|
aString.AssignLiteral("connecting");
|
|
break;
|
|
case A2DP_CONNECTION_STATE_CONNECTED:
|
|
aString.AssignLiteral("connected");
|
|
break;
|
|
case A2DP_CONNECTION_STATE_DISCONNECTING:
|
|
aString.AssignLiteral("disconnecting");
|
|
break;
|
|
default:
|
|
BT_WARNING("Unknown sink state %d", static_cast<int>(aState));
|
|
return;
|
|
}
|
|
}
|
|
|
|
class BluetoothA2dpManager::RegisterModuleResultHandler final
|
|
: public BluetoothSetupResultHandler
|
|
{
|
|
public:
|
|
RegisterModuleResultHandler(BluetoothA2dpInterface* aInterface,
|
|
BluetoothProfileResultHandler* aRes)
|
|
: mInterface(aInterface)
|
|
, mRes(aRes)
|
|
{ }
|
|
|
|
void OnError(BluetoothStatus aStatus) override
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
BT_WARNING("BluetoothSetupInterface::RegisterModule failed for A2DP: %d",
|
|
(int)aStatus);
|
|
|
|
mInterface->SetNotificationHandler(nullptr);
|
|
|
|
if (mRes) {
|
|
mRes->OnError(NS_ERROR_FAILURE);
|
|
}
|
|
}
|
|
|
|
void RegisterModule() override
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
sBtA2dpInterface = mInterface;
|
|
|
|
if (mRes) {
|
|
mRes->Init();
|
|
}
|
|
}
|
|
|
|
private:
|
|
BluetoothA2dpInterface* mInterface;
|
|
RefPtr<BluetoothProfileResultHandler> mRes;
|
|
};
|
|
|
|
class BluetoothA2dpManager::InitProfileResultHandlerRunnable final
|
|
: public nsRunnable
|
|
{
|
|
public:
|
|
InitProfileResultHandlerRunnable(BluetoothProfileResultHandler* aRes,
|
|
nsresult aRv)
|
|
: mRes(aRes)
|
|
, mRv(aRv)
|
|
{
|
|
MOZ_ASSERT(mRes);
|
|
}
|
|
|
|
NS_IMETHOD Run() override
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
if (NS_SUCCEEDED(mRv)) {
|
|
mRes->Init();
|
|
} else {
|
|
mRes->OnError(mRv);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
RefPtr<BluetoothProfileResultHandler> mRes;
|
|
nsresult mRv;
|
|
};
|
|
|
|
/*
|
|
* This function will be only called when Bluetooth is turning on.
|
|
* It is important to register a2dp callbacks before enable() gets called.
|
|
* It is required to register a2dp callbacks before a2dp media task
|
|
* starts up.
|
|
*/
|
|
// static
|
|
void
|
|
BluetoothA2dpManager::InitA2dpInterface(BluetoothProfileResultHandler* aRes)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
if (sBtA2dpInterface) {
|
|
BT_LOGR("Bluetooth A2DP interface is already initalized.");
|
|
RefPtr<nsRunnable> r =
|
|
new InitProfileResultHandlerRunnable(aRes, NS_OK);
|
|
if (NS_FAILED(NS_DispatchToMainThread(r))) {
|
|
BT_LOGR("Failed to dispatch A2DP Init runnable");
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto btInf = BluetoothInterface::GetInstance();
|
|
|
|
if (NS_WARN_IF(!btInf)) {
|
|
// If there's no Bluetooth interface, we dispatch a runnable
|
|
// that calls the profile result handler.
|
|
RefPtr<nsRunnable> r =
|
|
new InitProfileResultHandlerRunnable(aRes, NS_ERROR_FAILURE);
|
|
if (NS_FAILED(NS_DispatchToMainThread(r))) {
|
|
BT_LOGR("Failed to dispatch A2DP OnError runnable");
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto setupInterface = btInf->GetBluetoothSetupInterface();
|
|
|
|
if (NS_WARN_IF(!setupInterface)) {
|
|
// If there's no Setup interface, we dispatch a runnable
|
|
// that calls the profile result handler.
|
|
RefPtr<nsRunnable> r =
|
|
new InitProfileResultHandlerRunnable(aRes, NS_ERROR_FAILURE);
|
|
if (NS_FAILED(NS_DispatchToMainThread(r))) {
|
|
BT_LOGR("Failed to dispatch A2DP OnError runnable");
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto a2dpInterface = btInf->GetBluetoothA2dpInterface();
|
|
|
|
if (NS_WARN_IF(!a2dpInterface)) {
|
|
// If there's no A2DP interface, we dispatch a runnable
|
|
// that calls the profile result handler.
|
|
RefPtr<nsRunnable> r =
|
|
new InitProfileResultHandlerRunnable(aRes, NS_ERROR_FAILURE);
|
|
if (NS_FAILED(NS_DispatchToMainThread(r))) {
|
|
BT_LOGR("Failed to dispatch A2DP OnError runnable");
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Set notification handler _before_ registering the module. It could
|
|
// happen that we receive notifications, before the result handler runs.
|
|
a2dpInterface->SetNotificationHandler(BluetoothA2dpManager::Get());
|
|
|
|
setupInterface->RegisterModule(
|
|
SETUP_SERVICE_ID_A2DP, 0, MAX_NUM_CLIENTS,
|
|
new RegisterModuleResultHandler(a2dpInterface, aRes));
|
|
}
|
|
|
|
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!");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Static functions
|
|
*/
|
|
|
|
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();
|
|
sBluetoothA2dpManager = manager;
|
|
return sBluetoothA2dpManager;
|
|
}
|
|
|
|
class BluetoothA2dpManager::UnregisterModuleResultHandler final
|
|
: public BluetoothSetupResultHandler
|
|
{
|
|
public:
|
|
UnregisterModuleResultHandler(BluetoothProfileResultHandler* aRes)
|
|
: mRes(aRes)
|
|
{ }
|
|
|
|
void OnError(BluetoothStatus aStatus) override
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
BT_WARNING("BluetoothSetupInterface::UnregisterModule failed for A2DP: %d",
|
|
(int)aStatus);
|
|
|
|
sBtA2dpInterface->SetNotificationHandler(nullptr);
|
|
sBtA2dpInterface = nullptr;
|
|
|
|
if (mRes) {
|
|
mRes->OnError(NS_ERROR_FAILURE);
|
|
}
|
|
}
|
|
|
|
void UnregisterModule() override
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
sBtA2dpInterface->SetNotificationHandler(nullptr);
|
|
sBtA2dpInterface = nullptr;
|
|
|
|
if (mRes) {
|
|
mRes->Deinit();
|
|
}
|
|
}
|
|
|
|
private:
|
|
RefPtr<BluetoothProfileResultHandler> mRes;
|
|
};
|
|
|
|
class BluetoothA2dpManager::DeinitProfileResultHandlerRunnable final
|
|
: public nsRunnable
|
|
{
|
|
public:
|
|
DeinitProfileResultHandlerRunnable(BluetoothProfileResultHandler* aRes,
|
|
nsresult aRv)
|
|
: mRes(aRes)
|
|
, mRv(aRv)
|
|
{
|
|
MOZ_ASSERT(mRes);
|
|
}
|
|
|
|
NS_IMETHOD Run() override
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
if (NS_SUCCEEDED(mRv)) {
|
|
mRes->Deinit();
|
|
} else {
|
|
mRes->OnError(mRv);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
RefPtr<BluetoothProfileResultHandler> mRes;
|
|
nsresult mRv;
|
|
};
|
|
|
|
// static
|
|
void
|
|
BluetoothA2dpManager::DeinitA2dpInterface(BluetoothProfileResultHandler* aRes)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
if (!sBtA2dpInterface) {
|
|
BT_LOGR("Bluetooth A2DP interface has not been initalized.");
|
|
RefPtr<nsRunnable> r =
|
|
new DeinitProfileResultHandlerRunnable(aRes, NS_OK);
|
|
if (NS_FAILED(NS_DispatchToMainThread(r))) {
|
|
BT_LOGR("Failed to dispatch A2DP Deinit runnable");
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto btInf = BluetoothInterface::GetInstance();
|
|
|
|
if (NS_WARN_IF(!btInf)) {
|
|
// If there's no backend interface, we dispatch a runnable
|
|
// that calls the profile result handler.
|
|
RefPtr<nsRunnable> r =
|
|
new DeinitProfileResultHandlerRunnable(aRes, NS_ERROR_FAILURE);
|
|
if (NS_FAILED(NS_DispatchToMainThread(r))) {
|
|
BT_LOGR("Failed to dispatch A2DP OnError runnable");
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto setupInterface = btInf->GetBluetoothSetupInterface();
|
|
|
|
if (NS_WARN_IF(!setupInterface)) {
|
|
// If there's no Setup interface, we dispatch a runnable
|
|
// that calls the profile result handler.
|
|
RefPtr<nsRunnable> r =
|
|
new DeinitProfileResultHandlerRunnable(aRes, NS_ERROR_FAILURE);
|
|
if (NS_FAILED(NS_DispatchToMainThread(r))) {
|
|
BT_LOGR("Failed to dispatch A2DP OnError runnable");
|
|
}
|
|
return;
|
|
}
|
|
|
|
setupInterface->UnregisterModule(
|
|
SETUP_SERVICE_ID_A2DP,
|
|
new UnregisterModuleResultHandler(aRes));
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::HandleShutdown()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
sInShutdown = true;
|
|
Disconnect(nullptr);
|
|
sBluetoothA2dpManager = nullptr;
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::OnConnectError()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
mController->NotifyCompletion(NS_LITERAL_STRING(ERR_CONNECTION_FAILED));
|
|
|
|
mController = nullptr;
|
|
mDeviceAddress.Clear();
|
|
}
|
|
|
|
class BluetoothA2dpManager::ConnectResultHandler final
|
|
: public BluetoothA2dpResultHandler
|
|
{
|
|
public:
|
|
void OnError(BluetoothStatus aStatus) override
|
|
{
|
|
BT_LOGR("BluetoothA2dpInterface::Connect failed: %d", (int)aStatus);
|
|
|
|
NS_ENSURE_TRUE_VOID(sBluetoothA2dpManager);
|
|
sBluetoothA2dpManager->OnConnectError();
|
|
}
|
|
};
|
|
|
|
void
|
|
BluetoothA2dpManager::Connect(const BluetoothAddress& aDeviceAddress,
|
|
BluetoothProfileController* aController)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!aDeviceAddress.IsCleared());
|
|
MOZ_ASSERT(aController);
|
|
|
|
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 (!sBtA2dpInterface) {
|
|
BT_LOGR("sBluetoothA2dpInterface is null");
|
|
aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
|
|
return;
|
|
}
|
|
|
|
sBtA2dpInterface->Connect(mDeviceAddress, new ConnectResultHandler());
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::OnDisconnectError()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
NS_ENSURE_TRUE_VOID(mController);
|
|
|
|
mController->NotifyCompletion(NS_LITERAL_STRING(ERR_DISCONNECTION_FAILED));
|
|
}
|
|
|
|
class BluetoothA2dpManager::DisconnectResultHandler final
|
|
: public BluetoothA2dpResultHandler
|
|
{
|
|
public:
|
|
void OnError(BluetoothStatus aStatus) override
|
|
{
|
|
BT_LOGR("BluetoothA2dpInterface::Disconnect failed: %d", (int)aStatus);
|
|
|
|
NS_ENSURE_TRUE_VOID(sBluetoothA2dpManager);
|
|
sBluetoothA2dpManager->OnDisconnectError();
|
|
}
|
|
};
|
|
|
|
void
|
|
BluetoothA2dpManager::Disconnect(BluetoothProfileController* aController)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!mController);
|
|
|
|
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.IsCleared());
|
|
|
|
mController = aController;
|
|
|
|
if (!sBtA2dpInterface) {
|
|
BT_LOGR("sBluetoothA2dpInterface is null");
|
|
if (aController) {
|
|
aController->NotifyCompletion(
|
|
NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
|
|
}
|
|
return;
|
|
}
|
|
|
|
sBtA2dpInterface->Disconnect(mDeviceAddress, new DisconnectResultHandler());
|
|
}
|
|
|
|
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);
|
|
|
|
RefPtr<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);
|
|
|
|
RefPtr<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);
|
|
|
|
BluetoothAddress address;
|
|
NS_ENSURE_TRUE_VOID(NS_SUCCEEDED(StringToAddress(aSignal.path(), address)));
|
|
|
|
/**
|
|
* 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.IsCleared() || mDeviceAddress == 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));
|
|
|
|
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 ||
|
|
prevState == SinkState::SINK_CONNECTED) {
|
|
break;
|
|
}
|
|
|
|
// case 3: Successfully connected
|
|
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.Clear();
|
|
OnDisconnect(EmptyString());
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Reset connection state to DISCONNECTED to handle backend error. The state
|
|
* change triggers UI status bar update as ordinary bluetooth turn-off sequence.
|
|
*/
|
|
void
|
|
BluetoothA2dpManager::HandleBackendError()
|
|
{
|
|
if (mSinkState != SinkState::SINK_DISCONNECTED) {
|
|
ConnectionStateNotification(A2DP_CONNECTION_STATE_DISCONNECTED,
|
|
mDeviceAddress);
|
|
}
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::NotifyConnectionStatusChanged()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
// Notify Gecko observers
|
|
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
|
|
NS_ENSURE_TRUE_VOID(obs);
|
|
|
|
nsAutoString deviceAddressStr;
|
|
AddressToString(mDeviceAddress, deviceAddressStr);
|
|
|
|
if (NS_FAILED(obs->NotifyObservers(this,
|
|
BLUETOOTH_A2DP_STATUS_CHANGED_ID,
|
|
deviceAddressStr.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), deviceAddressStr, mA2dpConnected);
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::OnGetServiceChannel(const BluetoothAddress& aDeviceAddress,
|
|
const BluetoothUuid& aServiceUuid,
|
|
int aChannel)
|
|
{
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::OnUpdateSdpRecords(const BluetoothAddress& aDeviceAddress)
|
|
{
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::GetAddress(BluetoothAddress& aDeviceAddress)
|
|
{
|
|
aDeviceAddress = mDeviceAddress;
|
|
}
|
|
|
|
bool
|
|
BluetoothA2dpManager::IsConnected()
|
|
{
|
|
return mA2dpConnected;
|
|
}
|
|
|
|
/*
|
|
* Notifications
|
|
*/
|
|
|
|
void
|
|
BluetoothA2dpManager::ConnectionStateNotification(
|
|
BluetoothA2dpConnectionState aState, const BluetoothAddress& aBdAddr)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
nsString a2dpState;
|
|
AvStatusToSinkString(aState, a2dpState);
|
|
|
|
InfallibleTArray<BluetoothNamedValue> props;
|
|
AppendNamedValue(props, "State", a2dpState);
|
|
|
|
nsAutoString addressStr;
|
|
AddressToString(aBdAddr, addressStr);
|
|
|
|
HandleSinkPropertyChanged(BluetoothSignal(NS_LITERAL_STRING("AudioSink"),
|
|
addressStr, props));
|
|
}
|
|
|
|
void
|
|
BluetoothA2dpManager::AudioStateNotification(BluetoothA2dpAudioState aState,
|
|
const BluetoothAddress& aBdAddr)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
nsString a2dpState;
|
|
|
|
if (aState == A2DP_AUDIO_STATE_STARTED) {
|
|
a2dpState = NS_LITERAL_STRING("playing");
|
|
} else if (aState == A2DP_AUDIO_STATE_STOPPED) {
|
|
// for avdtp state stop stream
|
|
a2dpState = NS_LITERAL_STRING("connected");
|
|
} else if (aState == A2DP_AUDIO_STATE_REMOTE_SUSPEND) {
|
|
// for avdtp state suspend stream from remote side
|
|
a2dpState = NS_LITERAL_STRING("connected");
|
|
}
|
|
|
|
InfallibleTArray<BluetoothNamedValue> props;
|
|
AppendNamedValue(props, "State", a2dpState);
|
|
|
|
nsAutoString addressStr;
|
|
AddressToString(aBdAddr, addressStr);
|
|
|
|
HandleSinkPropertyChanged(BluetoothSignal(NS_LITERAL_STRING("AudioSink"),
|
|
addressStr, props));
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(BluetoothA2dpManager, nsIObserver)
|