gecko-dev/dom/telephony/TelephonyCall.cpp
2014-06-24 06:52:00 -04:00

326 lines
8.4 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 "TelephonyCall.h"
#include "mozilla/dom/CallEvent.h"
#include "mozilla/dom/TelephonyCallBinding.h"
#include "mozilla/dom/DOMError.h"
#include "Telephony.h"
#include "TelephonyCallGroup.h"
using namespace mozilla::dom;
using mozilla::ErrorResult;
// static
already_AddRefed<TelephonyCall>
TelephonyCall::Create(Telephony* aTelephony, TelephonyCallId* aId,
uint32_t aServiceId, uint32_t aCallIndex,
uint16_t aCallState, bool aEmergency, bool aConference,
bool aSwitchable, bool aMergeable)
{
NS_ASSERTION(aTelephony, "Null aTelephony pointer!");
NS_ASSERTION(aId, "Null aId pointer!");
NS_ASSERTION(aCallIndex >= 1, "Invalid call index!");
nsRefPtr<TelephonyCall> call = new TelephonyCall(aTelephony->GetOwner());
call->mTelephony = aTelephony;
call->mId = aId;
call->mServiceId = aServiceId;
call->mCallIndex = aCallIndex;
call->mEmergency = aEmergency;
call->mGroup = aConference ? aTelephony->ConferenceGroup() : nullptr;
call->mSwitchable = aSwitchable;
call->mMergeable = aMergeable;
call->mError = nullptr;
call->ChangeStateInternal(aCallState, false);
return call.forget();
}
TelephonyCall::TelephonyCall(nsPIDOMWindow* aOwner)
: DOMEventTargetHelper(aOwner),
mLive(false)
{
}
TelephonyCall::~TelephonyCall()
{
}
JSObject*
TelephonyCall::WrapObject(JSContext* aCx)
{
return TelephonyCallBinding::Wrap(aCx, this);
}
void
TelephonyCall::ChangeStateInternal(uint16_t aCallState, bool aFireEvents)
{
nsRefPtr<TelephonyCall> kungFuDeathGrip(this);
nsString stateString;
switch (aCallState) {
case nsITelephonyService::CALL_STATE_DIALING:
stateString.AssignLiteral("dialing");
break;
case nsITelephonyService::CALL_STATE_ALERTING:
stateString.AssignLiteral("alerting");
break;
case nsITelephonyService::CALL_STATE_CONNECTING:
stateString.AssignLiteral("connecting");
break;
case nsITelephonyService::CALL_STATE_CONNECTED:
stateString.AssignLiteral("connected");
break;
case nsITelephonyService::CALL_STATE_HOLDING:
stateString.AssignLiteral("holding");
break;
case nsITelephonyService::CALL_STATE_HELD:
stateString.AssignLiteral("held");
break;
case nsITelephonyService::CALL_STATE_RESUMING:
stateString.AssignLiteral("resuming");
break;
case nsITelephonyService::CALL_STATE_DISCONNECTING:
stateString.AssignLiteral("disconnecting");
break;
case nsITelephonyService::CALL_STATE_DISCONNECTED:
stateString.AssignLiteral("disconnected");
break;
case nsITelephonyService::CALL_STATE_INCOMING:
stateString.AssignLiteral("incoming");
break;
default:
NS_NOTREACHED("Unknown state!");
}
mState = stateString;
mCallState = aCallState;
if (aCallState == nsITelephonyService::CALL_STATE_DISCONNECTED) {
NS_ASSERTION(mLive, "Should be live!");
mLive = false;
if (mGroup) {
mGroup->RemoveCall(this);
} else {
mTelephony->RemoveCall(this);
}
} else if (!mLive) {
mLive = true;
if (mGroup) {
mGroup->AddCall(this);
} else {
mTelephony->AddCall(this);
}
}
if (aFireEvents) {
nsresult rv = DispatchCallEvent(NS_LITERAL_STRING("statechange"), this);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch specific event!");
}
// This can change if the statechange handler called back here... Need to
// figure out something smarter.
if (mCallState == aCallState) {
rv = DispatchCallEvent(stateString, this);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch specific event!");
}
}
}
}
nsresult
TelephonyCall::DispatchCallEvent(const nsAString& aType,
TelephonyCall* aCall)
{
MOZ_ASSERT(aCall);
CallEventInit init;
init.mBubbles = false;
init.mCancelable = false;
init.mCall = aCall;
nsRefPtr<CallEvent> event = CallEvent::Constructor(this, aType, init);
return DispatchTrustedEvent(event);
}
void
TelephonyCall::NotifyError(const nsAString& aError)
{
// Set the error string
NS_ASSERTION(!mError, "Already have an error?");
mError = new DOMError(GetOwner(), aError);
// Do the state transitions
ChangeStateInternal(nsITelephonyService::CALL_STATE_DISCONNECTED, true);
nsresult rv = DispatchCallEvent(NS_LITERAL_STRING("error"), this);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch error event!");
}
}
void
TelephonyCall::ChangeGroup(TelephonyCallGroup* aGroup)
{
mGroup = aGroup;
nsresult rv = DispatchCallEvent(NS_LITERAL_STRING("groupchange"), this);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch error event!");
}
}
NS_IMPL_CYCLE_COLLECTION_INHERITED(TelephonyCall,
DOMEventTargetHelper,
mTelephony,
mError,
mGroup,
mId,
mSecondId);
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TelephonyCall)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(TelephonyCall, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(TelephonyCall, DOMEventTargetHelper)
// TelephonyCall WebIDL
already_AddRefed<TelephonyCallId>
TelephonyCall::Id() const
{
nsRefPtr<TelephonyCallId> id = mId;
return id.forget();
}
already_AddRefed<TelephonyCallId>
TelephonyCall::GetSecondId() const
{
nsRefPtr<TelephonyCallId> id = mSecondId;
return id.forget();
}
already_AddRefed<DOMError>
TelephonyCall::GetError() const
{
nsRefPtr<DOMError> error = mError;
return error.forget();
}
already_AddRefed<TelephonyCallGroup>
TelephonyCall::GetGroup() const
{
nsRefPtr<TelephonyCallGroup> group = mGroup;
return group.forget();
}
void
TelephonyCall::Answer(ErrorResult& aRv)
{
if (mCallState != nsITelephonyService::CALL_STATE_INCOMING) {
NS_WARNING("Answer on non-incoming call ignored!");
return;
}
nsresult rv = mTelephony->Service()->AnswerCall(mServiceId, mCallIndex);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
ChangeStateInternal(nsITelephonyService::CALL_STATE_CONNECTING, true);
}
void
TelephonyCall::HangUp(ErrorResult& aRv)
{
if (mCallState == nsITelephonyService::CALL_STATE_DISCONNECTING ||
mCallState == nsITelephonyService::CALL_STATE_DISCONNECTED) {
NS_WARNING("HangUp on previously disconnected call ignored!");
return;
}
nsresult rv = mCallState == nsITelephonyService::CALL_STATE_INCOMING ?
mTelephony->Service()->RejectCall(mServiceId, mCallIndex) :
mTelephony->Service()->HangUp(mServiceId, mCallIndex);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
ChangeStateInternal(nsITelephonyService::CALL_STATE_DISCONNECTING, true);
}
void
TelephonyCall::Hold(ErrorResult& aRv)
{
if (mCallState != nsITelephonyService::CALL_STATE_CONNECTED) {
NS_WARNING("Hold non-connected call ignored!");
return;
}
if (mGroup) {
NS_WARNING("Hold a call in conference ignored!");
return;
}
if (!mSwitchable) {
NS_WARNING("Hold a non-switchable call ignored!");
return;
}
nsresult rv = mTelephony->Service()->HoldCall(mServiceId, mCallIndex);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
if (mSecondId) {
// No state transition when we switch two numbers within one TelephonyCall
// object. Otherwise, the state here will be inconsistent with the backend
// RIL and will never be right.
return;
}
ChangeStateInternal(nsITelephonyService::CALL_STATE_HOLDING, true);
}
void
TelephonyCall::Resume(ErrorResult& aRv)
{
if (mCallState != nsITelephonyService::CALL_STATE_HELD) {
NS_WARNING("Resume non-held call ignored!");
return;
}
if (mGroup) {
NS_WARNING("Resume a call in conference ignored!");
return;
}
if (!mSwitchable) {
NS_WARNING("Resume a non-switchable call ignored!");
return;
}
nsresult rv = mTelephony->Service()->ResumeCall(mServiceId, mCallIndex);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
ChangeStateInternal(nsITelephonyService::CALL_STATE_RESUMING, true);
}