gecko/dom/bluetooth/BluetoothHfpManager.cpp

287 lines
7.8 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 "BluetoothHfpManager.h"
#include "BluetoothReplyRunnable.h"
#include "BluetoothService.h"
#include "BluetoothServiceUuid.h"
#include "mozilla/Services.h"
#include "nsIObserverService.h"
#include "nsIRadioInterfaceLayer.h"
#include <unistd.h> /* usleep() */
USING_BLUETOOTH_NAMESPACE
using namespace mozilla::ipc;
static nsRefPtr<BluetoothHfpManager> sInstance = nullptr;
static nsCOMPtr<nsIThread> sHfpCommandThread;
static bool sStopSendingRingFlag = true;
static int kRingInterval = 3000000; //unit: us
class SendRingIndicatorTask : public nsRunnable
{
public:
SendRingIndicatorTask()
{
MOZ_ASSERT(NS_IsMainThread());
}
NS_IMETHOD Run()
{
MOZ_ASSERT(!NS_IsMainThread());
while (!sStopSendingRingFlag) {
sInstance->SendLine("RING");
usleep(kRingInterval);
}
return NS_OK;
}
};
BluetoothHfpManager::BluetoothHfpManager()
: mCurrentVgs(-1)
, mCurrentCallIndex(0)
, mCurrentCallState(nsIRadioInterfaceLayer::CALL_STATE_DISCONNECTED)
{
}
BluetoothHfpManager::~BluetoothHfpManager()
{
}
//static
BluetoothHfpManager*
BluetoothHfpManager::Get()
{
MOZ_ASSERT(NS_IsMainThread());
if (sInstance == nullptr) {
sInstance = new BluetoothHfpManager();
}
return sInstance;
}
// Virtual function of class SocketConsumer
void
BluetoothHfpManager::ReceiveSocketData(UnixSocketRawData* aMessage)
{
MOZ_ASSERT(NS_IsMainThread());
const char* msg = (const char*)aMessage->mData;
// For more information, please refer to 4.34.1 "Bluetooth Defined AT
// Capabilities" in Bluetooth hands-free profile 1.6
if (!strncmp(msg, "AT+BRSF=", 8)) {
SendLine("+BRSF: 23");
SendLine("OK");
} else if (!strncmp(msg, "AT+CIND=?", 9)) {
nsAutoCString cindRange;
cindRange += "+CIND: ";
cindRange += "(\"battchg\",(0-5)),";
cindRange += "(\"signal\",(0-5)),";
cindRange += "(\"service\",(0,1)),";
cindRange += "(\"call\",(0,1)),";
cindRange += "(\"callsetup\",(0-3)),";
cindRange += "(\"callheld\",(0-2)),";
cindRange += "(\"roam\",(0,1))";
SendLine(cindRange.get());
SendLine("OK");
} else if (!strncmp(msg, "AT+CIND", 7)) {
// FIXME - Bug 794349
// This value reflects current status of telephony, roaming, battery ...,
// so obviously fixed value must be wrong if there is an ongoing call.
// Need a patch for this, but currently just using fixed value for basic
// SLC establishment.
SendLine("+CIND: 5,5,1,0,0,0,0");
SendLine("OK");
} else if (!strncmp(msg, "AT+CMER=", 8)) {
SendLine("OK");
} else if (!strncmp(msg, "AT+CHLD=?", 9)) {
SendLine("+CHLD: (0,1,2,3)");
SendLine("OK");
} else if (!strncmp(msg, "AT+CHLD=", 8)) {
SendLine("OK");
} else if (!strncmp(msg, "AT+VGS=", 7)) {
// VGS range: [0, 15]
int newVgs = msg[7] - '0';
if (strlen(msg) > 8) {
newVgs *= 10;
newVgs += (msg[8] - '0');
}
#ifdef DEBUG
NS_ASSERTION(newVgs >= 0 && newVgs <= 15, "Received invalid VGS value");
#endif
// Currently, we send volume up/down commands to represent that
// volume has been changed by Bluetooth headset, and that will affect
// the main stream volume of our device. In the future, we may want to
// be able to set volume by stream.
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (newVgs > mCurrentVgs) {
os->NotifyObservers(nullptr, "bluetooth-volume-change", NS_LITERAL_STRING("up").get());
} else if (newVgs < mCurrentVgs) {
os->NotifyObservers(nullptr, "bluetooth-volume-change", NS_LITERAL_STRING("down").get());
}
mCurrentVgs = newVgs;
SendLine("OK");
} else {
#ifdef DEBUG
nsCString warningMsg;
warningMsg.AssignLiteral("Not handling HFP message, reply ok: ");
warningMsg.Append(msg);
NS_WARNING(warningMsg.get());
#endif
SendLine("OK");
}
}
bool
BluetoothHfpManager::Connect(const nsAString& aDeviceObjectPath,
BluetoothReplyRunnable* aRunnable)
{
MOZ_ASSERT(NS_IsMainThread());
BluetoothService* bs = BluetoothService::Get();
if (!bs) {
NS_WARNING("BluetoothService not available!");
return false;
}
nsString serviceUuidStr =
NS_ConvertUTF8toUTF16(mozilla::dom::bluetooth::BluetoothServiceUuidStr::Handsfree);
nsRefPtr<BluetoothReplyRunnable> runnable = aRunnable;
nsresult rv = bs->GetSocketViaService(aDeviceObjectPath,
serviceUuidStr,
BluetoothSocketType::RFCOMM,
true,
false,
this,
runnable);
runnable.forget();
return NS_FAILED(rv) ? false : true;
}
void
BluetoothHfpManager::Disconnect()
{
CloseSocket();
}
bool
BluetoothHfpManager::SendLine(const char* aMessage)
{
const char* kHfpCrlf = "\xd\xa";
nsAutoCString msg;
msg += kHfpCrlf;
msg += aMessage;
msg += kHfpCrlf;
return SendSocketData(msg);
}
/*
* CallStateChanged will be called whenever call status is changed, and it
* also means we need to notify HS about the change. For more information,
* please refer to 4.13 ~ 4.15 in Bluetooth hands-free profile 1.6.
*/
void
BluetoothHfpManager::CallStateChanged(int aCallIndex, int aCallState,
const char* aNumber, bool aIsActive)
{
nsRefPtr<nsRunnable> sendRingTask;
switch (aCallState) {
case nsIRadioInterfaceLayer::CALL_STATE_INCOMING:
// Send "CallSetup = 1"
SendLine("+CIEV: 5,1");
// Start sending RING indicator to HF
sStopSendingRingFlag = false;
sendRingTask = new SendRingIndicatorTask();
sHfpCommandThread->Dispatch(sendRingTask, NS_DISPATCH_NORMAL);
break;
case nsIRadioInterfaceLayer::CALL_STATE_DIALING:
// Send "CallSetup = 2"
SendLine("+CIEV: 5,2");
break;
case nsIRadioInterfaceLayer::CALL_STATE_ALERTING:
// Send "CallSetup = 3"
if (mCurrentCallIndex == nsIRadioInterfaceLayer::CALL_STATE_DIALING) {
SendLine("+CIEV: 5,3");
} else {
#ifdef DEBUG
NS_WARNING("Not handling state changed");
#endif
}
break;
case nsIRadioInterfaceLayer::CALL_STATE_CONNECTED:
switch (mCurrentCallState) {
case nsIRadioInterfaceLayer::CALL_STATE_INCOMING:
sStopSendingRingFlag = true;
// Continue executing, no break
case nsIRadioInterfaceLayer::CALL_STATE_DIALING:
// Send "Call = 1, CallSetup = 0"
SendLine("+CIEV: 4,1");
SendLine("+CIEV: 5,0");
break;
default:
#ifdef DEBUG
NS_WARNING("Not handling state changed");
#endif
break;
}
break;
case nsIRadioInterfaceLayer::CALL_STATE_DISCONNECTED:
switch (mCurrentCallState) {
case nsIRadioInterfaceLayer::CALL_STATE_INCOMING:
sStopSendingRingFlag = true;
// Continue executing, no break
case nsIRadioInterfaceLayer::CALL_STATE_DIALING:
case nsIRadioInterfaceLayer::CALL_STATE_ALERTING:
// Send "CallSetup = 0"
SendLine("+CIEV: 5,0");
break;
case nsIRadioInterfaceLayer::CALL_STATE_CONNECTED:
// Send "Call = 0"
SendLine("+CIEV: 4,0");
break;
default:
#ifdef DEBUG
NS_WARNING("Not handling state changed");
#endif
break;
}
break;
default:
#ifdef DEBUG
NS_WARNING("Not handling state changed");
#endif
break;
}
mCurrentCallIndex = aCallIndex;
mCurrentCallState = aCallState;
}