gecko-dev/dom/clients/manager/ClientManagerOpParent.cpp

86 строки
3.0 KiB
C++

/* -*- 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 "ClientManagerOpParent.h"
#include "ClientManagerService.h"
#include "mozilla/ipc/BackgroundParent.h"
namespace mozilla {
namespace dom {
using mozilla::ipc::BackgroundParent;
template <typename Method, typename... Args>
void ClientManagerOpParent::DoServiceOp(Method aMethod, Args&&... aArgs) {
// Note, we need perfect forarding of the template type in order
// to allow already_AddRefed<> to be passed as an arg.
RefPtr<ClientOpPromise> p =
(mService->*aMethod)(std::forward<Args>(aArgs)...);
// Capturing `this` is safe here because we disconnect the promise in
// ActorDestroy() which ensures neither lambda is called if the actor
// is destroyed before the source operation completes.
p->Then(
GetCurrentThreadSerialEventTarget(), __func__,
[this](const mozilla::dom::ClientOpResult& aResult) {
mPromiseRequestHolder.Complete();
Unused << PClientManagerOpParent::Send__delete__(this, aResult);
},
[this](const CopyableErrorResult& aRv) {
mPromiseRequestHolder.Complete();
Unused << PClientManagerOpParent::Send__delete__(this, aRv);
})
->Track(mPromiseRequestHolder);
}
void ClientManagerOpParent::ActorDestroy(ActorDestroyReason aReason) {
mPromiseRequestHolder.DisconnectIfExists();
}
ClientManagerOpParent::ClientManagerOpParent(ClientManagerService* aService)
: mService(aService) {
MOZ_DIAGNOSTIC_ASSERT(mService);
}
void ClientManagerOpParent::Init(const ClientOpConstructorArgs& aArgs) {
switch (aArgs.type()) {
case ClientOpConstructorArgs::TClientNavigateArgs: {
DoServiceOp(&ClientManagerService::Navigate,
aArgs.get_ClientNavigateArgs());
break;
}
case ClientOpConstructorArgs::TClientMatchAllArgs: {
DoServiceOp(&ClientManagerService::MatchAll,
aArgs.get_ClientMatchAllArgs());
break;
}
case ClientOpConstructorArgs::TClientClaimArgs: {
DoServiceOp(&ClientManagerService::Claim, aArgs.get_ClientClaimArgs());
break;
}
case ClientOpConstructorArgs::TClientGetInfoAndStateArgs: {
DoServiceOp(&ClientManagerService::GetInfoAndState,
aArgs.get_ClientGetInfoAndStateArgs());
break;
}
case ClientOpConstructorArgs::TClientOpenWindowArgs: {
RefPtr<ContentParent> contentParent =
BackgroundParent::GetContentParent(Manager()->Manager());
DoServiceOp(&ClientManagerService::OpenWindow,
aArgs.get_ClientOpenWindowArgs(), contentParent.forget());
break;
}
default: {
MOZ_ASSERT_UNREACHABLE("Unknown Client operation!");
break;
}
}
}
} // namespace dom
} // namespace mozilla