gecko-dev/dom/telephony/Telephony.cpp

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/* -*- 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 "Telephony.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/CallEvent.h"
#include "mozilla/dom/MozMobileConnectionBinding.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/TelephonyBinding.h"
#include "nsCharSeparatedTokenizer.h"
#include "nsContentUtils.h"
#include "nsIPermissionManager.h"
#include "nsIURI.h"
#include "nsNetUtil.h"
#include "nsPIDOMWindow.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "CallsList.h"
#include "TelephonyCall.h"
#include "TelephonyCallGroup.h"
#include "TelephonyCallId.h"
#include "TelephonyDialCallback.h"
// Service instantiation
#include "ipc/TelephonyIPCService.h"
#if defined(MOZ_WIDGET_GONK) && defined(MOZ_B2G_RIL)
#include "nsIGonkTelephonyService.h"
#endif
#include "nsXULAppAPI.h" // For XRE_GetProcessType()
using namespace mozilla::dom;
using namespace mozilla::dom::telephony;
using mozilla::ErrorResult;
class Telephony::Listener : public nsITelephonyListener
{
Telephony* mTelephony;
virtual ~Listener() {}
public:
NS_DECL_ISUPPORTS
NS_FORWARD_SAFE_NSITELEPHONYLISTENER(mTelephony)
explicit Listener(Telephony* aTelephony)
: mTelephony(aTelephony)
{
MOZ_ASSERT(mTelephony);
}
void
Disconnect()
{
MOZ_ASSERT(mTelephony);
mTelephony = nullptr;
}
};
Telephony::Telephony(nsPIDOMWindow* aOwner)
: DOMEventTargetHelper(aOwner)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aOwner);
MOZ_ASSERT(global);
ErrorResult rv;
nsRefPtr<Promise> promise = Promise::Create(global, rv);
MOZ_ASSERT(!rv.Failed());
mReadyPromise = promise;
}
Telephony::~Telephony()
{
Shutdown();
}
void
Telephony::Shutdown()
{
if (mListener) {
mListener->Disconnect();
if (mService) {
mService->UnregisterListener(mListener);
mService = nullptr;
}
mListener = nullptr;
}
}
JSObject*
Telephony::WrapObject(JSContext* aCx)
{
return TelephonyBinding::Wrap(aCx, this);
}
// static
already_AddRefed<Telephony>
Telephony::Create(nsPIDOMWindow* aOwner, ErrorResult& aRv)
{
NS_ASSERTION(aOwner, "Null owner!");
nsCOMPtr<nsITelephonyService> ril =
do_GetService(TELEPHONY_SERVICE_CONTRACTID);
if (!ril) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsCOMPtr<nsIScriptGlobalObject> sgo = do_QueryInterface(aOwner);
if (!sgo) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsCOMPtr<nsIScriptContext> scriptContext = sgo->GetContext();
if (!scriptContext) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsRefPtr<Telephony> telephony = new Telephony(aOwner);
telephony->mService = ril;
telephony->mListener = new Listener(telephony);
telephony->mCallsList = new CallsList(telephony);
telephony->mGroup = TelephonyCallGroup::Create(telephony);
nsresult rv = ril->EnumerateCalls(telephony->mListener);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
return telephony.forget();
}
// static
bool
Telephony::IsValidNumber(const nsAString& aNumber)
{
return !aNumber.IsEmpty();
}
// static
uint32_t
Telephony::GetNumServices() {
return mozilla::Preferences::GetInt("ril.numRadioInterfaces", 1);
}
// static
bool
Telephony::IsValidServiceId(uint32_t aServiceId)
{
return aServiceId < GetNumServices();
}
// static
bool
Telephony::IsActiveState(uint16_t aCallState) {
return aCallState == nsITelephonyService::CALL_STATE_DIALING ||
aCallState == nsITelephonyService::CALL_STATE_ALERTING ||
aCallState == nsITelephonyService::CALL_STATE_HOLDING ||
aCallState == nsITelephonyService::CALL_STATE_DISCONNECTING ||
aCallState == nsITelephonyService::CALL_STATE_CONNECTED;
}
uint32_t
Telephony::ProvidedOrDefaultServiceId(const Optional<uint32_t>& aServiceId)
{
if (aServiceId.WasPassed()) {
return aServiceId.Value();
} else {
uint32_t serviceId = 0;
mService->GetDefaultServiceId(&serviceId);
return serviceId;
}
}
bool
Telephony::HasDialingCall()
{
for (uint32_t i = 0; i < mCalls.Length(); i++) {
const nsRefPtr<TelephonyCall>& call = mCalls[i];
if (call->CallState() > nsITelephonyService::CALL_STATE_UNKNOWN &&
call->CallState() < nsITelephonyService::CALL_STATE_CONNECTED) {
return true;
}
}
return false;
}
already_AddRefed<Promise>
Telephony::DialInternal(uint32_t aServiceId, const nsAString& aNumber,
bool aEmergency, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
if (!global) {
return nullptr;
}
nsRefPtr<Promise> promise = Promise::Create(global, aRv);
if (aRv.Failed()) {
return nullptr;
}
if (!IsValidNumber(aNumber) || !IsValidServiceId(aServiceId)) {
promise->MaybeReject(NS_ERROR_DOM_INVALID_ACCESS_ERR);
return promise.forget();
}
// We only support one outgoing call at a time.
if (HasDialingCall()) {
promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
return promise.forget();
}
nsCOMPtr<nsITelephonyDialCallback> callback =
new TelephonyDialCallback(GetOwner(), this, promise);
nsresult rv = mService->Dial(aServiceId, aNumber, aEmergency, callback);
if (NS_FAILED(rv)) {
promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
return promise.forget();
}
return promise.forget();
}
already_AddRefed<TelephonyCallId>
Telephony::CreateCallId(nsITelephonyCallInfo *aInfo)
{
nsAutoString number;
nsAutoString name;
uint16_t numberPresentation;
uint16_t namePresentation;
aInfo->GetNumber(number);
aInfo->GetName(name);
aInfo->GetNumberPresentation(&numberPresentation);
aInfo->GetNamePresentation(&namePresentation);
return CreateCallId(number, numberPresentation, name, namePresentation);
}
already_AddRefed<TelephonyCallId>
Telephony::CreateCallId(const nsAString& aNumber, uint16_t aNumberPresentation,
const nsAString& aName, uint16_t aNamePresentation)
{
nsRefPtr<TelephonyCallId> id =
new TelephonyCallId(GetOwner(), aNumber, aNumberPresentation,
aName, aNamePresentation);
return id.forget();
}
already_AddRefed<TelephonyCall>
Telephony::CreateCall(TelephonyCallId* aId, uint32_t aServiceId,
uint32_t aCallIndex, uint16_t aCallState,
bool aEmergency, bool aConference,
bool aSwitchable, bool aMergeable)
{
// We don't have to create an already ended call.
if (aCallState == nsITelephonyService::CALL_STATE_DISCONNECTED) {
return nullptr;
}
nsRefPtr<TelephonyCall> call =
TelephonyCall::Create(this, aId, aServiceId, aCallIndex, aCallState,
aEmergency, aConference, aSwitchable, aMergeable);
NS_ASSERTION(call, "This should never fail!");
NS_ASSERTION(aConference ? mGroup->CallsArray().Contains(call)
: mCalls.Contains(call),
"Should have auto-added new call!");
return call.forget();
}
nsresult
Telephony::NotifyEvent(const nsAString& aType)
{
return DispatchCallEvent(aType, nullptr);
}
nsresult
Telephony::NotifyCallsChanged(TelephonyCall* aCall)
{
return DispatchCallEvent(NS_LITERAL_STRING("callschanged"), aCall);
}
already_AddRefed<TelephonyCall>
Telephony::GetCall(uint32_t aServiceId, uint32_t aCallIndex)
{
nsRefPtr<TelephonyCall> call;
for (uint32_t i = 0; i < mCalls.Length(); i++) {
nsRefPtr<TelephonyCall>& tempCall = mCalls[i];
if (tempCall->ServiceId() == aServiceId &&
tempCall->CallIndex() == aCallIndex) {
call = tempCall;
break;
}
}
return call.forget();
}
already_AddRefed<TelephonyCall>
Telephony::GetCallFromEverywhere(uint32_t aServiceId, uint32_t aCallIndex)
{
nsRefPtr<TelephonyCall> call = GetCall(aServiceId, aCallIndex);
if (!call) {
call = mGroup->GetCall(aServiceId, aCallIndex);
}
return call.forget();
}
nsresult
Telephony::HandleCallInfo(nsITelephonyCallInfo* aInfo)
{
uint32_t serviceId;
uint32_t callIndex;
uint16_t callState;
bool isEmergency;
bool isConference;
bool isSwitchable;
bool isMergeable;
aInfo->GetClientId(&serviceId);
aInfo->GetCallIndex(&callIndex);
aInfo->GetCallState(&callState);
aInfo->GetIsEmergency(&isEmergency);
aInfo->GetIsConference(&isConference);
aInfo->GetIsSwitchable(&isSwitchable);
aInfo->GetIsMergeable(&isMergeable);
nsRefPtr<TelephonyCall> call = GetCallFromEverywhere(serviceId, callIndex);
if (!call) {
nsRefPtr<TelephonyCallId> id = CreateCallId(aInfo);
call = CreateCall(id, serviceId, callIndex, callState, isEmergency,
isConference, isSwitchable, isMergeable);
if (call && callState == nsITelephonyService::CALL_STATE_INCOMING) {
nsresult rv = DispatchCallEvent(NS_LITERAL_STRING("incoming"), call);
NS_ENSURE_SUCCESS(rv, rv);
}
} else {
call->UpdateEmergency(isEmergency);
call->UpdateSwitchable(isSwitchable);
call->UpdateMergeable(isMergeable);
nsAutoString number;
aInfo->GetNumber(number);
nsRefPtr<TelephonyCallId> id = call->Id();
id->UpdateNumber(number);
// State changed.
if (call->CallState() != callState) {
if (callState == nsITelephonyService::CALL_STATE_DISCONNECTED) {
call->ChangeStateInternal(callState, true);
return NS_OK;
}
// We don't fire the statechange event on a call in conference here.
// Instead, the event will be fired later in
// TelephonyCallGroup::ChangeState(). Thus the sequence of firing the
// statechange events is guaranteed: first on TelephonyCallGroup then on
// individual TelephonyCall objects.
bool fireEvent = !isConference;
call->ChangeStateInternal(callState, fireEvent);
}
// Group changed.
nsRefPtr<TelephonyCallGroup> group = call->GetGroup();
if (!group && isConference) {
// Add to conference.
NS_ASSERTION(mCalls.Contains(call), "Should in mCalls");
mGroup->AddCall(call);
RemoveCall(call);
} else if (group && !isConference) {
// Remove from conference.
NS_ASSERTION(mGroup->CallsArray().Contains(call), "Should in mGroup");
mGroup->RemoveCall(call);
AddCall(call);
}
}
return NS_OK;
}
NS_IMPL_CYCLE_COLLECTION_CLASS(Telephony)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(Telephony,
DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCalls)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCallsList)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGroup)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mReadyPromise)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(Telephony,
DOMEventTargetHelper)
tmp->Shutdown();
NS_IMPL_CYCLE_COLLECTION_UNLINK(mCalls)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mCallsList)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mGroup)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mReadyPromise)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(Telephony)
// Telephony does not expose nsITelephonyListener. mListener is the exposed
// nsITelephonyListener and forwards the calls it receives to us.
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(Telephony, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(Telephony, DOMEventTargetHelper)
NS_IMPL_ISUPPORTS(Telephony::Listener, nsITelephonyListener)
// Telephony WebIDL
already_AddRefed<Promise>
Telephony::Dial(const nsAString& aNumber, const Optional<uint32_t>& aServiceId,
ErrorResult& aRv)
{
uint32_t serviceId = ProvidedOrDefaultServiceId(aServiceId);
nsRefPtr<Promise> promise = DialInternal(serviceId, aNumber, false, aRv);
return promise.forget();
}
already_AddRefed<Promise>
Telephony::DialEmergency(const nsAString& aNumber,
const Optional<uint32_t>& aServiceId,
ErrorResult& aRv)
{
uint32_t serviceId = ProvidedOrDefaultServiceId(aServiceId);
nsRefPtr<Promise> promise = DialInternal(serviceId, aNumber, true, aRv);
return promise.forget();
}
already_AddRefed<Promise>
Telephony::SendTones(const nsAString& aDTMFChars,
uint32_t aPauseDuration,
uint32_t aToneDuration,
const Optional<uint32_t>& aServiceId,
ErrorResult& aRv)
{
uint32_t serviceId = ProvidedOrDefaultServiceId(aServiceId);
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
if (!global) {
return nullptr;
}
nsRefPtr<Promise> promise = Promise::Create(global, aRv);
if (aRv.Failed()) {
return nullptr;
}
if (aDTMFChars.IsEmpty()) {
NS_WARNING("Empty tone string will be ignored");
promise->MaybeReject(NS_ERROR_DOM_INVALID_ACCESS_ERR);
return promise.forget();
}
if (!IsValidServiceId(serviceId)) {
aRv.Throw(NS_ERROR_INVALID_ARG);
promise->MaybeReject(NS_ERROR_DOM_INVALID_ACCESS_ERR);
return promise.forget();
}
nsCOMPtr<nsITelephonyCallback> callback =
new TelephonyCallback(promise);
aRv = mService->SendTones(serviceId, aDTMFChars, aPauseDuration,
aToneDuration, callback);
return promise.forget();
}
void
Telephony::StartTone(const nsAString& aDTMFChar,
const Optional<uint32_t>& aServiceId,
ErrorResult& aRv)
{
uint32_t serviceId = ProvidedOrDefaultServiceId(aServiceId);
if (aDTMFChar.IsEmpty()) {
NS_WARNING("Empty tone string will be ignored");
return;
}
if (aDTMFChar.Length() > 1 || !IsValidServiceId(serviceId)) {
aRv.Throw(NS_ERROR_INVALID_ARG);
return;
}
aRv = mService->StartTone(serviceId, aDTMFChar);
}
void
Telephony::StopTone(const Optional<uint32_t>& aServiceId, ErrorResult& aRv)
{
uint32_t serviceId = ProvidedOrDefaultServiceId(aServiceId);
if (!IsValidServiceId(serviceId)) {
aRv.Throw(NS_ERROR_INVALID_ARG);
return;
}
aRv = mService->StopTone(serviceId);
}
bool
Telephony::GetMuted(ErrorResult& aRv) const
{
bool muted = false;
aRv = mService->GetMicrophoneMuted(&muted);
return muted;
}
void
Telephony::SetMuted(bool aMuted, ErrorResult& aRv)
{
aRv = mService->SetMicrophoneMuted(aMuted);
}
bool
Telephony::GetSpeakerEnabled(ErrorResult& aRv) const
{
bool enabled = false;
aRv = mService->GetSpeakerEnabled(&enabled);
return enabled;
}
void
Telephony::SetSpeakerEnabled(bool aEnabled, ErrorResult& aRv)
{
aRv = mService->SetSpeakerEnabled(aEnabled);
}
void
Telephony::GetActive(Nullable<OwningTelephonyCallOrTelephonyCallGroup>& aValue)
{
if (mGroup->CallState() == nsITelephonyService::CALL_STATE_CONNECTED) {
aValue.SetValue().SetAsTelephonyCallGroup() = mGroup;
} else {
// Search the first active call.
for (uint32_t i = 0; i < mCalls.Length(); i++) {
if (IsActiveState(mCalls[i]->CallState())) {
aValue.SetValue().SetAsTelephonyCall() = mCalls[i];
return;
}
}
aValue.SetNull();
}
}
already_AddRefed<CallsList>
Telephony::Calls() const
{
nsRefPtr<CallsList> list = mCallsList;
return list.forget();
}
already_AddRefed<TelephonyCallGroup>
Telephony::ConferenceGroup() const
{
nsRefPtr<TelephonyCallGroup> group = mGroup;
return group.forget();
}
already_AddRefed<Promise>
Telephony::GetReady(ErrorResult& aRv) const
{
if (!mReadyPromise) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
nsRefPtr<Promise> promise = mReadyPromise;
return promise.forget();
}
// nsITelephonyListener
NS_IMETHODIMP
Telephony::CallStateChanged(nsITelephonyCallInfo* aInfo)
{
return HandleCallInfo(aInfo);
}
NS_IMETHODIMP
Telephony::EnumerateCallState(nsITelephonyCallInfo* aInfo)
{
return HandleCallInfo(aInfo);
}
NS_IMETHODIMP
Telephony::ConferenceCallStateChanged(uint16_t aCallState)
{
mGroup->ChangeState(aCallState);
return NS_OK;
}
NS_IMETHODIMP
Telephony::EnumerateCallStateComplete()
{
// Set conference state.
if (mGroup->CallsArray().Length() >= 2) {
const nsTArray<nsRefPtr<TelephonyCall> > &calls = mGroup->CallsArray();
uint16_t callState = calls[0]->CallState();
for (uint32_t i = 1; i < calls.Length(); i++) {
if (calls[i]->CallState() != callState) {
callState = nsITelephonyService::CALL_STATE_UNKNOWN;
break;
}
}
mGroup->ChangeState(callState);
}
if (mReadyPromise) {
mReadyPromise->MaybeResolve(JS::UndefinedHandleValue);
}
if (NS_FAILED(mService->RegisterListener(mListener))) {
NS_WARNING("Failed to register listener!");
}
return NS_OK;
}
NS_IMETHODIMP
Telephony::SupplementaryServiceNotification(uint32_t aServiceId,
int32_t aCallIndex,
uint16_t aNotification)
{
nsRefPtr<TelephonyCall> associatedCall;
if (!mCalls.IsEmpty()) {
associatedCall = GetCall(aServiceId, aCallIndex);
}
nsresult rv;
switch (aNotification) {
case nsITelephonyService::NOTIFICATION_REMOTE_HELD:
rv = DispatchCallEvent(NS_LITERAL_STRING("remoteheld"), associatedCall);
break;
case nsITelephonyService::NOTIFICATION_REMOTE_RESUMED:
rv = DispatchCallEvent(NS_LITERAL_STRING("remoteresumed"), associatedCall);
break;
default:
NS_ERROR("Got a bad notification!");
return NS_ERROR_UNEXPECTED;
}
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP
Telephony::NotifyError(uint32_t aServiceId,
int32_t aCallIndex,
const nsAString& aError)
{
nsRefPtr<TelephonyCall> callToNotify =
GetCallFromEverywhere(aServiceId, aCallIndex);
if (!callToNotify) {
NS_ERROR("Don't call me with a bad call index!");
return NS_ERROR_UNEXPECTED;
}
// Set the call state to 'disconnected' and remove it from the calls list.
callToNotify->NotifyError(aError);
return NS_OK;
}
NS_IMETHODIMP
Telephony::NotifyCdmaCallWaiting(uint32_t aServiceId, const nsAString& aNumber,
uint16_t aNumberPresentation,
const nsAString& aName,
uint16_t aNamePresentation)
{
MOZ_ASSERT(mCalls.Length() == 1);
nsRefPtr<TelephonyCall> callToNotify = mCalls[0];
MOZ_ASSERT(callToNotify && callToNotify->ServiceId() == aServiceId);
nsRefPtr<TelephonyCallId> id =
new TelephonyCallId(GetOwner(), aNumber, aNumberPresentation, aName,
aNamePresentation);
callToNotify->UpdateSecondId(id);
DispatchCallEvent(NS_LITERAL_STRING("callschanged"), callToNotify);
return NS_OK;
}
NS_IMETHODIMP
Telephony::NotifyConferenceError(const nsAString& aName,
const nsAString& aMessage)
{
mGroup->NotifyError(aName, aMessage);
return NS_OK;
}
nsresult
Telephony::DispatchCallEvent(const nsAString& aType,
TelephonyCall* aCall)
{
// If it is an incoming event, the call should not be null.
MOZ_ASSERT(!aType.EqualsLiteral("incoming") || aCall);
CallEventInit init;
init.mBubbles = false;
init.mCancelable = false;
init.mCall = aCall;
nsRefPtr<CallEvent> event = CallEvent::Constructor(this, aType, init);
return DispatchTrustedEvent(event);
}
already_AddRefed<nsITelephonyService>
NS_CreateTelephonyService()
{
nsCOMPtr<nsITelephonyService> service;
if (XRE_GetProcessType() == GeckoProcessType_Content) {
service = new mozilla::dom::telephony::TelephonyIPCService();
} else {
#if defined(MOZ_WIDGET_GONK) && defined(MOZ_B2G_RIL)
service = do_CreateInstance(GONK_TELEPHONY_SERVICE_CONTRACTID);
#endif
}
return service.forget();
}