gecko/dom/telephony/TelephonyCallGroup.cpp
2013-10-31 08:05:51 -04:00

289 lines
7.8 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 "TelephonyCallGroup.h"
#include "mozilla/dom/TelephonyCallGroupBinding.h"
#include "CallEvent.h"
#include "CallsList.h"
#include "Telephony.h"
using namespace mozilla::dom;
using mozilla::ErrorResult;
TelephonyCallGroup::TelephonyCallGroup()
: mCallState(nsITelephonyProvider::CALL_STATE_UNKNOWN)
{
SetIsDOMBinding();
}
TelephonyCallGroup::~TelephonyCallGroup()
{
}
// static
already_AddRefed<TelephonyCallGroup>
TelephonyCallGroup::Create(Telephony* aTelephony)
{
NS_ASSERTION(aTelephony, "Null telephony!");
nsRefPtr<TelephonyCallGroup> group = new TelephonyCallGroup();
group->BindToOwner(aTelephony->GetOwner());
group->mTelephony = aTelephony;
group->mCallsList = new CallsList(aTelephony, group);
return group.forget();
}
JSObject*
TelephonyCallGroup::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
{
return TelephonyCallGroupBinding::Wrap(aCx, aScope, this);
}
void
TelephonyCallGroup::AddCall(TelephonyCall* aCall)
{
NS_ASSERTION(!mCalls.Contains(aCall), "Already know about this one!");
mCalls.AppendElement(aCall);
aCall->ChangeGroup(this);
NotifyCallsChanged(aCall);
}
void
TelephonyCallGroup::RemoveCall(TelephonyCall* aCall)
{
NS_ASSERTION(mCalls.Contains(aCall), "Didn't know about this one!");
mCalls.RemoveElement(aCall);
aCall->ChangeGroup(nullptr);
NotifyCallsChanged(aCall);
}
void
TelephonyCallGroup::ChangeState(uint16_t aCallState)
{
if (mCallState == aCallState) {
return;
}
nsString stateString;
switch (aCallState) {
case nsITelephonyProvider::CALL_STATE_UNKNOWN:
break;
case nsITelephonyProvider::CALL_STATE_CONNECTED:
stateString.AssignLiteral("connected");
break;
case nsITelephonyProvider::CALL_STATE_HOLDING:
stateString.AssignLiteral("holding");
break;
case nsITelephonyProvider::CALL_STATE_HELD:
stateString.AssignLiteral("held");
break;
case nsITelephonyProvider::CALL_STATE_RESUMING:
stateString.AssignLiteral("resuming");
break;
default:
NS_NOTREACHED("Unknown state!");
}
mState = stateString;
mCallState = aCallState;
nsresult rv = DispatchCallEvent(NS_LITERAL_STRING("statechange"), nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch specific event!");
}
if (!stateString.IsEmpty()) {
// This can change if the statechange handler called back here... Need to
// figure out something smarter.
if (mCallState == aCallState) {
rv = DispatchCallEvent(stateString, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch specific event!");
}
}
}
for (uint32_t index = 0; index < mCalls.Length(); index++) {
nsRefPtr<TelephonyCall> call = mCalls[index];
call->ChangeState(aCallState);
MOZ_ASSERT(call->CallState() == aCallState);
}
}
nsresult
TelephonyCallGroup::NotifyCallsChanged(TelephonyCall* aCall)
{
return DispatchCallEvent(NS_LITERAL_STRING("callschanged"), aCall);
}
nsresult
TelephonyCallGroup::DispatchCallEvent(const nsAString& aType,
TelephonyCall* aCall)
{
nsRefPtr<CallEvent> event = CallEvent::Create(this, aType, aCall, false, false);
return DispatchTrustedEvent(event);
}
bool
TelephonyCallGroup::CanConference(const TelephonyCall& aCall,
TelephonyCall* aSecondCall)
{
if (!aSecondCall) {
MOZ_ASSERT(!mCalls.IsEmpty());
return (mCallState == nsITelephonyProvider::CALL_STATE_CONNECTED &&
aCall.CallState() == nsITelephonyProvider::CALL_STATE_HELD) ||
(mCallState == nsITelephonyProvider::CALL_STATE_HELD &&
aCall.CallState() == nsITelephonyProvider::CALL_STATE_CONNECTED);
}
MOZ_ASSERT(mCallState == nsITelephonyProvider::CALL_STATE_UNKNOWN);
if (aCall.ServiceId() != aSecondCall->ServiceId()) {
return false;
}
return (aCall.CallState() == nsITelephonyProvider::CALL_STATE_CONNECTED &&
aSecondCall->CallState() == nsITelephonyProvider::CALL_STATE_HELD) ||
(aCall.CallState() == nsITelephonyProvider::CALL_STATE_HELD &&
aSecondCall->CallState() == nsITelephonyProvider::CALL_STATE_CONNECTED);
}
already_AddRefed<TelephonyCall>
TelephonyCallGroup::GetCall(uint32_t aServiceId, uint32_t aCallIndex)
{
nsRefPtr<TelephonyCall> call;
for (uint32_t index = 0; index < mCalls.Length(); index++) {
nsRefPtr<TelephonyCall>& tempCall = mCalls[index];
if (tempCall->ServiceId() == aServiceId &&
tempCall->CallIndex() == aCallIndex) {
call = tempCall;
break;
}
}
return call.forget();
}
NS_IMPL_CYCLE_COLLECTION_CLASS(TelephonyCallGroup)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(TelephonyCallGroup,
nsDOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCalls)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCallsList)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTelephony)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(TelephonyCallGroup,
nsDOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mCalls)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mCallsList)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mTelephony)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TelephonyCallGroup)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(TelephonyCallGroup, nsDOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(TelephonyCallGroup, nsDOMEventTargetHelper)
// WebIDL
already_AddRefed<CallsList>
TelephonyCallGroup::Calls() const
{
nsRefPtr<CallsList> list = mCallsList;
return list.forget();
}
void
TelephonyCallGroup::Add(TelephonyCall& aCall,
ErrorResult& aRv)
{
if (!CanConference(aCall, nullptr)) {
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
return;
}
aRv = mTelephony->Provider()->ConferenceCall(aCall.ServiceId());
}
void
TelephonyCallGroup::Add(TelephonyCall& aCall,
TelephonyCall& aSecondCall,
ErrorResult& aRv)
{
if (!CanConference(aCall, &aSecondCall)) {
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
return;
}
aRv = mTelephony->Provider()->ConferenceCall(aCall.ServiceId());
}
void
TelephonyCallGroup::Remove(TelephonyCall& aCall, ErrorResult& aRv)
{
if (mCallState != nsITelephonyProvider::CALL_STATE_CONNECTED) {
NS_WARNING("Remove call from a non-connected call group. Ignore!");
return;
}
uint32_t serviceId = aCall.ServiceId();
uint32_t callIndex = aCall.CallIndex();
nsRefPtr<TelephonyCall> call;
call = GetCall(serviceId, callIndex);
if (call) {
aRv = mTelephony->Provider()->SeparateCall(serviceId, callIndex);
} else {
NS_WARNING("Didn't have this call. Ignore!");
}
}
void
TelephonyCallGroup::Hold(ErrorResult& aRv)
{
if (mCallState != nsITelephonyProvider::CALL_STATE_CONNECTED) {
NS_WARNING("Hold non-connected call ignored!");
return;
}
MOZ_ASSERT(!mCalls.IsEmpty());
nsresult rv = mTelephony->Provider()->HoldConference(mCalls[0]->ServiceId());
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
ChangeState(nsITelephonyProvider::CALL_STATE_HOLDING);
}
void
TelephonyCallGroup::Resume(ErrorResult& aRv)
{
if (mCallState != nsITelephonyProvider::CALL_STATE_HELD) {
NS_WARNING("Resume non-held call ignored!");
return;
}
MOZ_ASSERT(!mCalls.IsEmpty());
nsresult rv = mTelephony->Provider()->ResumeConference(mCalls[0]->ServiceId());
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
ChangeState(nsITelephonyProvider::CALL_STATE_RESUMING);
}