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/* -*- 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/. */
#ifndef mozilla_dom_JSActorProtocolUtils_h
#define mozilla_dom_JSActorProtocolUtils_h
#include "mozilla/Assertions.h" // MOZ_ASSERT
#include "mozilla/ErrorResult.h" // ErrorResult
namespace mozilla {
namespace dom {
class JSActorProtocolUtils {
public:
template <typename ProtoT, typename ActorInfoT>
static void FromIPCShared(ProtoT& aProto, const ActorInfoT& aInfo) {
aProto->mRemoteTypes = aInfo.remoteTypes().Clone();
if (aInfo.isESModule()) {
aProto->mChild.mESModuleURI = aInfo.url();
} else {
aProto->mChild.mModuleURI = aInfo.url();
}
aProto->mChild.mObservers = aInfo.observers().Clone();
}
template <typename ProtoT, typename ActorInfoT>
static void ToIPCShared(ActorInfoT& aInfo, const ProtoT& aProto) {
aInfo.name() = aProto->mName;
aInfo.remoteTypes() = aProto->mRemoteTypes.Clone();
if (aProto->mChild.mModuleURI) {
aInfo.url() = aProto->mChild.mModuleURI;
aInfo.isESModule() = false;
} else {
aInfo.url() = aProto->mChild.mESModuleURI;
aInfo.isESModule() = true;
}
aInfo.observers() = aProto->mChild.mObservers.Clone();
}
template <typename ProtoT, typename ActorOptionsT>
static bool FromWebIDLOptionsShared(ProtoT& aProto,
const ActorOptionsT& aOptions,
ErrorResult& aRv) {
if (aOptions.mRemoteTypes.WasPassed()) {
MOZ_ASSERT(aOptions.mRemoteTypes.Value().Length());
aProto->mRemoteTypes = aOptions.mRemoteTypes.Value();
}
if (aOptions.mParent.WasPassed()) {
const auto& parentOptions = aOptions.mParent.Value();
if (parentOptions.mModuleURI.WasPassed()) {
if (parentOptions.mEsModuleURI.WasPassed()) {
aRv.ThrowNotSupportedError(
"moduleURI and esModuleURI are mutually exclusive.");
return false;
}
aProto->mParent.mModuleURI.emplace(parentOptions.mModuleURI.Value());
} else if (parentOptions.mEsModuleURI.WasPassed()) {
aProto->mParent.mESModuleURI.emplace(
parentOptions.mEsModuleURI.Value());
} else {
aRv.ThrowNotSupportedError(
"Either moduleURI or esModuleURI is required.");
return false;
}
}
if (aOptions.mChild.WasPassed()) {
const auto& childOptions = aOptions.mChild.Value();
if (childOptions.mModuleURI.WasPassed()) {
if (childOptions.mEsModuleURI.WasPassed()) {
aRv.ThrowNotSupportedError(
"moduleURI and esModuleURI are exclusive.");
return false;
}
aProto->mChild.mModuleURI.emplace(childOptions.mModuleURI.Value());
} else if (childOptions.mEsModuleURI.WasPassed()) {
aProto->mChild.mESModuleURI.emplace(childOptions.mEsModuleURI.Value());
} else {
aRv.ThrowNotSupportedError(
"Either moduleURI or esModuleURI is required.");
return false;
}
}
if (!aOptions.mChild.WasPassed() && !aOptions.mParent.WasPassed()) {
aRv.ThrowNotSupportedError(
"No point registering an actor with neither child nor parent "
"specifications.");
return false;
}
if (aOptions.mChild.WasPassed() &&
aOptions.mChild.Value().mObservers.WasPassed()) {
aProto->mChild.mObservers = aOptions.mChild.Value().mObservers.Value();
}
return true;
}
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_JSActorProtocolUtils_h
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