The Tor Browser: dom/telephony/TelephonyCallGroup.cpp@6474c204b198 (annotated)

dom/telephony/TelephonyCallGroup.cpp@6474c204b198 (annotated)

dom/telephony/TelephonyCallGroup.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- 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 "mozilla/dom/CallGroupErrorEvent.h"
 #include "Telephony.h"
 using namespace mozilla::dom;
 using mozilla::ErrorResult;
 TelephonyCallGroup::TelephonyCallGroup(nsPIDOMWindow* aOwner)
   : DOMEventTargetHelper(aOwner)
   , mCallState(nsITelephonyProvider::CALL_STATE_UNKNOWN)
 {
 }
 TelephonyCallGroup::~TelephonyCallGroup()
 {
 }
 // static
 already_AddRefed<TelephonyCallGroup>
 TelephonyCallGroup::Create(Telephony* aTelephony)
 {
   NS_ASSERTION(aTelephony, "Null telephony!");
   nsRefPtr<TelephonyCallGroup> group =
     new TelephonyCallGroup(aTelephony->GetOwner());
   group->mTelephony = aTelephony;
   group->mCallsList = new CallsList(aTelephony, group);
   return group.forget();
 }
 JSObject*
 TelephonyCallGroup::WrapObject(JSContext* aCx)
 {
   return TelephonyCallGroupBinding::Wrap(aCx, 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);
 }
 nsresult
 TelephonyCallGroup::NotifyError(const nsAString& aName, const nsAString& aMessage)
 {
   CallGroupErrorEventInit init;
   init.mBubbles = false;
   init.mCancelable = false;
   init.mName = aName;
   init.mMessage = aMessage;
   nsRefPtr<CallGroupErrorEvent> event =
     CallGroupErrorEvent::Constructor(this, NS_LITERAL_STRING("error"), init);
   return DispatchTrustedEvent(event);
 }
 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 (!aCall.Mergeable()) {
     return false;
   }
   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;
   }
   if (!aSecondCall->Mergeable()) {
     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,
                                                   DOMEventTargetHelper)
   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,
                                                 DOMEventTargetHelper)
   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(DOMEventTargetHelper)
 NS_IMPL_ADDREF_INHERITED(TelephonyCallGroup, DOMEventTargetHelper)
 NS_IMPL_RELEASE_INHERITED(TelephonyCallGroup, DOMEventTargetHelper)
 // 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);
 }

The Tor Browser / annotate

dom/telephony/TelephonyCallGroup.cpp@6474c204b198 (annotated)

dom/telephony/TelephonyCallGroup.cpp