Preparation for new Promise-based RTCPeerConnection.getStats.

third_party/WebKit/Source/modules/peerconnection/RTCPeerConnection.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 22 matching lines @@
 #include "bindings/core/v8/ArrayValue.h"
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/Microtask.h"
 #include "bindings/core/v8/Nullable.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8ThrowException.h"
 #include "bindings/modules/v8/RTCIceCandidateInitOrRTCIceCandidate.h"
+#include "bindings/modules/v8/V8MediaStreamTrack.h"
 #include "bindings/modules/v8/V8RTCCertificate.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/DOMTimeStamp.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/frame/HostsUsingFeatures.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/UseCounter.h"
 #include "core/html/VoidCallback.h"
@@ skipping 11 matching lines @@
 #include "modules/peerconnection/RTCPeerConnectionErrorCallback.h"
 #include "modules/peerconnection/RTCSessionDescription.h"
 #include "modules/peerconnection/RTCSessionDescriptionCallback.h"
 #include "modules/peerconnection/RTCSessionDescriptionInit.h"
 #include "modules/peerconnection/RTCSessionDescriptionRequestImpl.h"
 #include "modules/peerconnection/RTCSessionDescriptionRequestPromiseImpl.h"
 #include "modules/peerconnection/RTCStatsCallback.h"
 #include "modules/peerconnection/RTCStatsRequestImpl.h"
 #include "modules/peerconnection/RTCVoidRequestImpl.h"
 #include "modules/peerconnection/RTCVoidRequestPromiseImpl.h"
+#include "platform/RuntimeEnabledFeatures.h"
 #include "platform/peerconnection/RTCAnswerOptionsPlatform.h"
 #include "platform/peerconnection/RTCConfiguration.h"
 #include "platform/peerconnection/RTCOfferOptionsPlatform.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCryptoAlgorithmParams.h"
 #include "public/platform/WebMediaStream.h"
 #include "public/platform/WebRTCAnswerOptions.h"
 #include "public/platform/WebRTCCertificate.h"
 #include "public/platform/WebRTCCertificateGenerator.h"
 #include "public/platform/WebRTCConfiguration.h"
@@ skipping 857 matching lines @@
     }
 
     for (MediaStreamVector::iterator iter = m_remoteStreams.begin(); iter != m_remoteStreams.end(); ++iter) {
         if ((*iter)->id() == streamId)
             return iter->get();
     }
 
     return 0;
 }
 
-void RTCPeerConnection::getStats(ExecutionContext* context, RTCStatsCallback* successCallback, MediaStreamTrack* selector)
+ScriptPromise RTCPeerConnection::getStats(ScriptState* scriptState, RTCStatsCallback* successCallback, MediaStreamTrack* selector)
 {
+    ExecutionContext* context = scriptState->getExecutionContext();
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+
     UseCounter::count(context, UseCounter::RTCPeerConnectionGetStatsLegacyNonCompliant);
     RTCStatsRequest* statsRequest = RTCStatsRequestImpl::create(getExecutionContext(), this, successCallback, selector);
     // FIXME: Add passing selector as part of the statsRequest.
     m_peerHandler->getStats(statsRequest);
+
+    resolver->resolve();
+    return promise;
+}
+
+ScriptPromise RTCPeerConnection::getStats(ScriptState* scriptState, MediaStreamTrack* selector)
+{
+    ExecutionContext* context = scriptState->getExecutionContext();
+    UseCounter::count(context, UseCounter::RTCPeerConnectionGetStats);
+    // TODO(hbos): Implement new |getStats| function. crbug.com/627816
+    return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError, "getStats(optional MediaStreamTrack?) has not been implemented yet."));
 }
 
 RTCDataChannel* RTCPeerConnection::createDataChannel(String label, const Dictionary& options, ExceptionState& exceptionState)
 {
     if (throwExceptionIfSignalingStateClosed(m_signalingState, exceptionState))
         return nullptr;
 
     WebRTCDataChannelInit init;
     DictionaryHelper::get(options, "ordered", init.ordered);
     DictionaryHelper::get(options, "negotiated", init.negotiated);
@@ skipping 291 matching lines @@
 {
     visitor->trace(m_localStreams);
     visitor->trace(m_remoteStreams);
     visitor->trace(m_dispatchScheduledEventRunner);
     visitor->trace(m_scheduledEvents);
     EventTargetWithInlineData::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink