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