mirror of
https://github.com/mozilla/gecko-dev.git
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470 lines
13 KiB
C++
470 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TelephonyCallGroup.h"
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#include "CallsList.h"
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#include "Telephony.h"
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#include "mozilla/dom/CallEvent.h"
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#include "mozilla/dom/CallGroupErrorEvent.h"
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#include "mozilla/dom/telephony/TelephonyCallback.h"
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#include "nsPrintfCString.h"
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#ifdef TELEPHONY_GROUP_STATE
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#undef TELEPHONY_GROUP_STATE
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#endif
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#define TELEPHONY_GROUP_STATE(_state) \
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(TelephonyCallGroupStateValues::strings[static_cast<int32_t>(_state)].value)
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using namespace mozilla::dom;
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using namespace mozilla::dom::telephony;
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using mozilla::ErrorResult;
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TelephonyCallGroup::TelephonyCallGroup(nsPIDOMWindowInner* aOwner)
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: DOMEventTargetHelper(aOwner)
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{
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}
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TelephonyCallGroup::~TelephonyCallGroup()
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{
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}
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// static
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already_AddRefed<TelephonyCallGroup>
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TelephonyCallGroup::Create(Telephony* aTelephony)
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{
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NS_ASSERTION(aTelephony, "Null telephony!");
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RefPtr<TelephonyCallGroup> group =
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new TelephonyCallGroup(aTelephony->GetOwner());
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group->mTelephony = aTelephony;
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group->mState = TelephonyCallGroupState::_empty;
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group->mCallsList = new CallsList(aTelephony, group);
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return group.forget();
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}
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JSObject*
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TelephonyCallGroup::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return TelephonyCallGroupBinding::Wrap(aCx, this, aGivenProto);
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}
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void
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TelephonyCallGroup::AddCall(TelephonyCall* aCall)
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{
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NS_ASSERTION(!mCalls.Contains(aCall), "Already know about this one!");
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mCalls.AppendElement(aCall);
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aCall->ChangeGroup(this);
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NotifyCallsChanged(aCall);
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}
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void
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TelephonyCallGroup::RemoveCall(TelephonyCall* aCall)
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{
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NS_ASSERTION(mCalls.Contains(aCall), "Didn't know about this one!");
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mCalls.RemoveElement(aCall);
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aCall->ChangeGroup(nullptr);
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NotifyCallsChanged(aCall);
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}
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nsresult
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TelephonyCallGroup::NotifyError(const nsAString& aName, const nsAString& aMessage)
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{
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CallGroupErrorEventInit init;
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init.mBubbles = false;
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init.mCancelable = false;
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init.mName = aName;
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init.mMessage = aMessage;
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RefPtr<CallGroupErrorEvent> event =
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CallGroupErrorEvent::Constructor(this, NS_LITERAL_STRING("error"), init);
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return DispatchTrustedEvent(event);
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}
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void
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TelephonyCallGroup::ChangeState()
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{
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MOZ_ASSERT(mCalls.Length() != 1);
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if (mCalls.Length() == 0) {
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ChangeStateInternal(TelephonyCallGroupState::_empty);
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return;
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}
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TelephonyCallState state = mCalls[0]->State();
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for (uint32_t i = 1; i < mCalls.Length(); i++) {
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if (mCalls[i]->State() != state) {
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MOZ_ASSERT(false, "Various call states are found in a call group!");
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ChangeStateInternal(TelephonyCallGroupState::_empty);
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return;
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}
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}
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TelephonyCallGroupState groupState = TelephonyCallGroupState::_empty;
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switch (state) {
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case TelephonyCallState::Connected:
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groupState = TelephonyCallGroupState::Connected;
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break;
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case TelephonyCallState::Held:
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groupState = TelephonyCallGroupState::Held;
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break;
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default:
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NS_NOTREACHED(nsPrintfCString("Invavild call state for a call group(%s)!",
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TELEPHONY_CALL_STATE(state)).get());
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}
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ChangeStateInternal(groupState);
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}
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void
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TelephonyCallGroup::ChangeStateInternal(TelephonyCallGroupState aState)
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{
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if (mState == aState) {
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return;
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}
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// Update Current State
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mState = aState;
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// Dispatch related events
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NotifyStateChanged();
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}
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nsresult
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TelephonyCallGroup::NotifyStateChanged()
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{
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// Since |mState| can be changed after statechange handler called back here,
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// we must save current state. Maybe we should figure out something smarter.
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TelephonyCallGroupState prevState = mState;
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nsresult res = DispatchCallEvent(NS_LITERAL_STRING("statechange"), nullptr);
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if (NS_FAILED(res)) {
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NS_WARNING("Failed to dispatch specific event!");
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}
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// Check whether |mState| remains the same after the statechange handler.
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// Besides, If there is no conference call at all, then we dont't have to
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// dispatch the state evnet.
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if (mState == prevState) {
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res = DispatchCallEvent(NS_ConvertASCIItoUTF16(TELEPHONY_GROUP_STATE(mState)),
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nullptr);
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if (NS_FAILED(res)) {
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NS_WARNING("Failed to dispatch specific event!");
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}
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}
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// Notify each call within to dispatch call state change event
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for (uint32_t index = 0; index < mCalls.Length(); index++) {
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if (NS_FAILED(mCalls[index]->NotifyStateChanged())){
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res = NS_ERROR_FAILURE;
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}
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}
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return res;
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}
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nsresult
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TelephonyCallGroup::NotifyCallsChanged(TelephonyCall* aCall)
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{
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return DispatchCallEvent(NS_LITERAL_STRING("callschanged"), aCall);
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}
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nsresult
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TelephonyCallGroup::DispatchCallEvent(const nsAString& aType,
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TelephonyCall* aCall)
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{
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CallEventInit init;
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init.mBubbles = false;
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init.mCancelable = false;
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init.mCall = aCall;
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RefPtr<CallEvent> event = CallEvent::Constructor(this, aType, init);
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return DispatchTrustedEvent(event);
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}
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already_AddRefed<Promise>
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TelephonyCallGroup::CreatePromise(ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
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if (!global) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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RefPtr<Promise> promise = Promise::Create(global, aRv);
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if (aRv.Failed()) {
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return nullptr;
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}
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return promise.forget();
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}
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bool
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TelephonyCallGroup::CanConference(const TelephonyCall& aCall,
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const TelephonyCall* aSecondCall)
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{
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if (!aCall.Mergeable()) {
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return false;
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}
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if (!aSecondCall) {
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MOZ_ASSERT(!mCalls.IsEmpty());
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return (mState == TelephonyCallGroupState::Connected &&
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aCall.State() == TelephonyCallState::Held) ||
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(mState == TelephonyCallGroupState::Held &&
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aCall.State() == TelephonyCallState::Connected);
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}
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MOZ_ASSERT(mState != TelephonyCallGroupState::_empty);
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if (aCall.ServiceId() != aSecondCall->ServiceId()) {
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return false;
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}
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if (!aSecondCall->Mergeable()) {
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return false;
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}
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return (aCall.State() == TelephonyCallState::Connected &&
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aSecondCall->State() == TelephonyCallState::Held) ||
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(aCall.State() == TelephonyCallState::Held &&
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aSecondCall->State() == TelephonyCallState::Connected);
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}
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already_AddRefed<TelephonyCall>
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TelephonyCallGroup::GetCall(uint32_t aServiceId, uint32_t aCallIndex)
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{
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RefPtr<TelephonyCall> call;
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for (uint32_t index = 0; index < mCalls.Length(); index++) {
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RefPtr<TelephonyCall>& tempCall = mCalls[index];
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if (tempCall->ServiceId() == aServiceId &&
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tempCall->CallIndex() == aCallIndex) {
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call = tempCall;
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break;
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}
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}
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return call.forget();
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(TelephonyCallGroup)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(TelephonyCallGroup,
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DOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCalls)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCallsList)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTelephony)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(TelephonyCallGroup,
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DOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mCalls)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mCallsList)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mTelephony)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TelephonyCallGroup)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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NS_IMPL_ADDREF_INHERITED(TelephonyCallGroup, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(TelephonyCallGroup, DOMEventTargetHelper)
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// WebIDL
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already_AddRefed<CallsList>
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TelephonyCallGroup::Calls() const
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{
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RefPtr<CallsList> list = mCallsList;
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return list.forget();
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}
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already_AddRefed<Promise>
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TelephonyCallGroup::Add(TelephonyCall& aCall,
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ErrorResult& aRv)
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{
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MOZ_ASSERT(!mCalls.IsEmpty());
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RefPtr<Promise> promise = CreatePromise(aRv);
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if (!promise) {
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return nullptr;
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}
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if (!CanConference(aCall, nullptr)) {
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promise->MaybeReject(NS_ERROR_NOT_AVAILABLE);
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return promise.forget();
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}
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nsCOMPtr<nsITelephonyCallback> callback = new TelephonyCallback(promise);
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aRv = mTelephony->Service()->ConferenceCall(aCall.ServiceId(), callback);
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NS_ENSURE_TRUE(!aRv.Failed(), nullptr);
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return promise.forget();
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}
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already_AddRefed<Promise>
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TelephonyCallGroup::Add(TelephonyCall& aCall,
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TelephonyCall& aSecondCall,
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ErrorResult& aRv)
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{
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RefPtr<Promise> promise = CreatePromise(aRv);
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if (!promise) {
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return nullptr;
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}
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if (!CanConference(aCall, &aSecondCall)) {
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promise->MaybeReject(NS_ERROR_NOT_AVAILABLE);
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return promise.forget();
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}
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nsCOMPtr<nsITelephonyCallback> callback = new TelephonyCallback(promise);
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aRv = mTelephony->Service()->ConferenceCall(aCall.ServiceId(), callback);
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NS_ENSURE_TRUE(!aRv.Failed(), nullptr);
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return promise.forget();
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}
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already_AddRefed<Promise>
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TelephonyCallGroup::Remove(TelephonyCall& aCall, ErrorResult& aRv)
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{
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MOZ_ASSERT(!mCalls.IsEmpty());
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RefPtr<Promise> promise = CreatePromise(aRv);
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if (!promise) {
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return nullptr;
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}
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if (mState != TelephonyCallGroupState::Connected) {
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NS_WARNING("Remove call from a non-connected call group. Ignore!");
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promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
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return promise.forget();
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}
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uint32_t serviceId = aCall.ServiceId();
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uint32_t callIndex = aCall.CallIndex();
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RefPtr<TelephonyCall> call = GetCall(serviceId, callIndex);
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if (!call) {
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NS_WARNING("Didn't have this call. Ignore!");
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promise->MaybeReject(NS_ERROR_NOT_AVAILABLE);
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return promise.forget();
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}
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nsCOMPtr<nsITelephonyCallback> callback = new TelephonyCallback(promise);
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aRv = mTelephony->Service()->SeparateCall(serviceId, callIndex, callback);
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NS_ENSURE_TRUE(!aRv.Failed(), nullptr);
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return promise.forget();
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}
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already_AddRefed<Promise>
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TelephonyCallGroup::HangUp(ErrorResult& aRv)
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{
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MOZ_ASSERT(!mCalls.IsEmpty());
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RefPtr<Promise> promise = CreatePromise(aRv);
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if (!promise) {
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return nullptr;
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}
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if (mState == TelephonyCallGroupState::_empty) {
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NS_WARNING(nsPrintfCString("We don't have a call group now!"
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" (State: %s)",
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TELEPHONY_GROUP_STATE(mState)).get());
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promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
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return promise.forget();
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}
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nsCOMPtr<nsITelephonyCallback> callback = new TelephonyCallback(promise);
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aRv = mTelephony->Service()->HangUpConference(mCalls[0]->ServiceId(),
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callback);
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NS_ENSURE_TRUE(!aRv.Failed(), nullptr);
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return promise.forget();
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}
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already_AddRefed<Promise>
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TelephonyCallGroup::Hold(ErrorResult& aRv)
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{
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MOZ_ASSERT(!mCalls.IsEmpty());
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RefPtr<Promise> promise = CreatePromise(aRv);
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if (!promise) {
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return nullptr;
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}
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nsCOMPtr<nsITelephonyCallback> callback = new TelephonyCallback(promise);
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aRv = Hold(callback);
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if (NS_WARN_IF(aRv.Failed() &&
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!aRv.ErrorCodeIs(NS_ERROR_DOM_INVALID_STATE_ERR))) {
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return nullptr;
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}
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return promise.forget();
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}
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nsresult
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TelephonyCallGroup::Hold(nsITelephonyCallback* aCallback)
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{
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if (mState != TelephonyCallGroupState::Connected) {
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NS_WARNING(nsPrintfCString("Resume non-connected call group is rejected!"
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" (State: %s)",
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TELEPHONY_GROUP_STATE(mState)).get());
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aCallback->NotifyError(NS_LITERAL_STRING("InvalidStateError"));
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return NS_ERROR_DOM_INVALID_STATE_ERR;
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}
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nsresult rv = mTelephony->Service()->HoldConference(mCalls[0]->ServiceId(),
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aCallback);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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already_AddRefed<Promise>
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TelephonyCallGroup::Resume(ErrorResult& aRv)
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{
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MOZ_ASSERT(!mCalls.IsEmpty());
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RefPtr<Promise> promise = CreatePromise(aRv);
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if (!promise) {
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return nullptr;
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}
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nsCOMPtr<nsITelephonyCallback> callback = new TelephonyCallback(promise);
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aRv = Resume(callback);
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if (NS_WARN_IF(aRv.Failed() &&
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!aRv.ErrorCodeIs(NS_ERROR_DOM_INVALID_STATE_ERR))) {
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return nullptr;
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}
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return promise.forget();
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}
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nsresult
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TelephonyCallGroup::Resume(nsITelephonyCallback* aCallback)
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{
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if (mState != TelephonyCallGroupState::Held) {
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NS_WARNING(nsPrintfCString("Resume non-held call group is rejected!"
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" (State: %s)",
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TELEPHONY_GROUP_STATE(mState)).get());
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aCallback->NotifyError(NS_LITERAL_STRING("InvalidStateError"));
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return NS_ERROR_DOM_INVALID_STATE_ERR;
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}
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nsresult rv = mTelephony->Service()->ResumeConference(mCalls[0]->ServiceId(),
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aCallback);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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