gecko-dev/dom/telephony/TelephonyCall.cpp

272 строки
7.6 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 "nsIDOMCallEvent.h"
#include "DOMError.h"
#include "GeneratedEvents.h"
#include "nsDOMClassInfo.h"
#include "Telephony.h"
#include "nsITelephonyProvider.h"
USING_TELEPHONY_NAMESPACE
// static
already_AddRefed<TelephonyCall>
TelephonyCall::Create(Telephony* aTelephony, const nsAString& aNumber,
uint16_t aCallState, uint32_t aCallIndex)
{
NS_ASSERTION(aTelephony, "Null pointer!");
NS_ASSERTION(!aNumber.IsEmpty(), "Empty number!");
NS_ASSERTION(aCallIndex >= 1, "Invalid call index!");
nsRefPtr<TelephonyCall> call = new TelephonyCall();
call->BindToOwner(aTelephony->GetOwner());
call->mTelephony = aTelephony;
call->mNumber = aNumber;
call->mCallIndex = aCallIndex;
call->mError = nullptr;
call->ChangeStateInternal(aCallState, false);
return call.forget();
}
TelephonyCall::TelephonyCall()
: mCallIndex(kOutgoingPlaceholderCallIndex),
mCallState(nsITelephonyProvider::CALL_STATE_UNKNOWN),
mLive(false),
mOutgoing(false)
{
}
void
TelephonyCall::ChangeStateInternal(uint16_t aCallState, bool aFireEvents)
{
nsRefPtr<TelephonyCall> kungFuDeathGrip(this);
nsString stateString;
switch (aCallState) {
case nsITelephonyProvider::CALL_STATE_DIALING:
stateString.AssignLiteral("dialing");
break;
case nsITelephonyProvider::CALL_STATE_ALERTING:
stateString.AssignLiteral("alerting");
break;
case nsITelephonyProvider::CALL_STATE_BUSY:
stateString.AssignLiteral("busy");
break;
case nsITelephonyProvider::CALL_STATE_CONNECTING:
stateString.AssignLiteral("connecting");
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;
case nsITelephonyProvider::CALL_STATE_DISCONNECTING:
stateString.AssignLiteral("disconnecting");
break;
case nsITelephonyProvider::CALL_STATE_DISCONNECTED:
stateString.AssignLiteral("disconnected");
break;
case nsITelephonyProvider::CALL_STATE_INCOMING:
stateString.AssignLiteral("incoming");
break;
default:
NS_NOTREACHED("Unknown state!");
}
mState = stateString;
mCallState = aCallState;
if (aCallState == nsITelephonyProvider::CALL_STATE_DIALING) {
mOutgoing = true;
}
if (aCallState == nsITelephonyProvider::CALL_STATE_DISCONNECTED) {
NS_ASSERTION(mLive, "Should be live!");
mTelephony->RemoveCall(this);
mLive = false;
} else if (!mLive) {
mTelephony->AddCall(this);
mLive = true;
}
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,
nsIDOMTelephonyCall* aCall)
{
MOZ_ASSERT(aCall);
nsCOMPtr<nsIDOMEvent> event;
NS_NewDOMCallEvent(getter_AddRefs(event), this, nullptr, nullptr);
NS_ASSERTION(event, "This should never fail!");
nsCOMPtr<nsIDOMCallEvent> callEvent = do_QueryInterface(event);
MOZ_ASSERT(callEvent);
nsresult rv = callEvent->InitCallEvent(aType, false, false, aCall);
NS_ENSURE_SUCCESS(rv, rv);
return DispatchTrustedEvent(callEvent);
}
void
TelephonyCall::NotifyError(const nsAString& aError)
{
// Set the error string
NS_ASSERTION(!mError, "Already have an error?");
mError = DOMError::CreateWithName(aError);
// Do the state transitions
ChangeStateInternal(nsITelephonyProvider::CALL_STATE_DISCONNECTED, true);
nsresult rv = DispatchCallEvent(NS_LITERAL_STRING("error"), this);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch error event!");
}
}
NS_IMPL_CYCLE_COLLECTION_INHERITED_1(TelephonyCall,
nsDOMEventTargetHelper,
mTelephony)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TelephonyCall)
NS_INTERFACE_MAP_ENTRY(nsIDOMTelephonyCall)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(TelephonyCall)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(TelephonyCall, nsDOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(TelephonyCall, nsDOMEventTargetHelper)
DOMCI_DATA(TelephonyCall, TelephonyCall)
NS_IMETHODIMP
TelephonyCall::GetNumber(nsAString& aNumber)
{
aNumber.Assign(mNumber);
return NS_OK;
}
NS_IMETHODIMP
TelephonyCall::GetState(nsAString& aState)
{
aState.Assign(mState);
return NS_OK;
}
NS_IMETHODIMP
TelephonyCall::GetError(nsIDOMDOMError** aError)
{
NS_IF_ADDREF(*aError = mError);
return NS_OK;
}
NS_IMETHODIMP
TelephonyCall::Answer()
{
if (mCallState != nsITelephonyProvider::CALL_STATE_INCOMING) {
NS_WARNING("Answer on non-incoming call ignored!");
return NS_OK;
}
nsresult rv = mTelephony->Provider()->AnswerCall(mCallIndex);
NS_ENSURE_SUCCESS(rv, rv);
ChangeStateInternal(nsITelephonyProvider::CALL_STATE_CONNECTING, true);
return NS_OK;
}
NS_IMETHODIMP
TelephonyCall::HangUp()
{
if (mCallState == nsITelephonyProvider::CALL_STATE_DISCONNECTING ||
mCallState == nsITelephonyProvider::CALL_STATE_DISCONNECTED) {
NS_WARNING("HangUp on previously disconnected call ignored!");
return NS_OK;
}
nsresult rv = mCallState == nsITelephonyProvider::CALL_STATE_INCOMING ?
mTelephony->Provider()->RejectCall(mCallIndex) :
mTelephony->Provider()->HangUp(mCallIndex);
NS_ENSURE_SUCCESS(rv, rv);
ChangeStateInternal(nsITelephonyProvider::CALL_STATE_DISCONNECTING, true);
return NS_OK;
}
NS_IMETHODIMP
TelephonyCall::Hold()
{
if (mCallState != nsITelephonyProvider::CALL_STATE_CONNECTED) {
NS_WARNING("Hold non-connected call ignored!");
return NS_OK;
}
nsresult rv = mTelephony->Provider()->HoldCall(mCallIndex);
NS_ENSURE_SUCCESS(rv,rv);
ChangeStateInternal(nsITelephonyProvider::CALL_STATE_HOLDING, true);
return NS_OK;
}
NS_IMETHODIMP
TelephonyCall::Resume()
{
if (mCallState != nsITelephonyProvider::CALL_STATE_HELD) {
NS_WARNING("Resume non-held call ignored!");
return NS_OK;
}
nsresult rv = mTelephony->Provider()->ResumeCall(mCallIndex);
NS_ENSURE_SUCCESS(rv,rv);
ChangeStateInternal(nsITelephonyProvider::CALL_STATE_RESUMING, true);
return NS_OK;
}
NS_IMPL_EVENT_HANDLER(TelephonyCall, statechange)
NS_IMPL_EVENT_HANDLER(TelephonyCall, dialing)
NS_IMPL_EVENT_HANDLER(TelephonyCall, alerting)
NS_IMPL_EVENT_HANDLER(TelephonyCall, busy)
NS_IMPL_EVENT_HANDLER(TelephonyCall, connecting)
NS_IMPL_EVENT_HANDLER(TelephonyCall, connected)
NS_IMPL_EVENT_HANDLER(TelephonyCall, disconnecting)
NS_IMPL_EVENT_HANDLER(TelephonyCall, disconnected)
NS_IMPL_EVENT_HANDLER(TelephonyCall, holding)
NS_IMPL_EVENT_HANDLER(TelephonyCall, held)
NS_IMPL_EVENT_HANDLER(TelephonyCall, resuming)
NS_IMPL_EVENT_HANDLER(TelephonyCall, error)