gecko-dev/dom/messagechannel/SharedMessagePortMessage.cpp

109 строки
3.1 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 "SharedMessagePortMessage.h"
#include "MessagePort.h"
#include "MessagePortChild.h"
#include "MessagePortParent.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/PMessagePort.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/BackgroundParent.h"
namespace mozilla {
using namespace ipc;
namespace dom {
/* static */
void SharedMessagePortMessage::FromSharedToMessagesChild(
MessagePortChild* aActor,
const nsTArray<RefPtr<SharedMessagePortMessage>>& aData,
nsTArray<ClonedMessageData>& aArray) {
MOZ_ASSERT(aActor);
MOZ_ASSERT(aArray.IsEmpty());
aArray.SetCapacity(aData.Length());
PBackgroundChild* backgroundManager = aActor->Manager();
MOZ_ASSERT(backgroundManager);
for (auto& data : aData) {
ClonedMessageData* message = aArray.AppendElement();
data->BuildClonedMessageDataForBackgroundChild(backgroundManager, *message);
}
}
/* static */
bool SharedMessagePortMessage::FromMessagesToSharedChild(
nsTArray<ClonedMessageData>& aArray,
FallibleTArray<RefPtr<SharedMessagePortMessage>>& aData) {
MOZ_ASSERT(aData.IsEmpty());
if (NS_WARN_IF(!aData.SetCapacity(aArray.Length(), mozilla::fallible))) {
return false;
}
for (auto& message : aArray) {
RefPtr<SharedMessagePortMessage> data = new SharedMessagePortMessage();
data->StealFromClonedMessageDataForBackgroundChild(message);
if (!aData.AppendElement(data, mozilla::fallible)) {
return false;
}
}
return true;
}
/* static */
bool SharedMessagePortMessage::FromSharedToMessagesParent(
MessagePortParent* aActor,
const nsTArray<RefPtr<SharedMessagePortMessage>>& aData,
FallibleTArray<ClonedMessageData>& aArray) {
MOZ_ASSERT(aArray.IsEmpty());
if (NS_WARN_IF(!aArray.SetCapacity(aData.Length(), mozilla::fallible))) {
return false;
}
PBackgroundParent* backgroundManager = aActor->Manager();
MOZ_ASSERT(backgroundManager);
for (auto& data : aData) {
ClonedMessageData* message = aArray.AppendElement(mozilla::fallible);
data->BuildClonedMessageDataForBackgroundParent(backgroundManager,
*message);
}
return true;
}
/* static */
bool SharedMessagePortMessage::FromMessagesToSharedParent(
nsTArray<ClonedMessageData>& aArray,
FallibleTArray<RefPtr<SharedMessagePortMessage>>& aData) {
MOZ_ASSERT(aData.IsEmpty());
if (NS_WARN_IF(!aData.SetCapacity(aArray.Length(), mozilla::fallible))) {
return false;
}
for (auto& message : aArray) {
RefPtr<SharedMessagePortMessage> data = new SharedMessagePortMessage();
data->StealFromClonedMessageDataForBackgroundParent(message);
if (!aData.AppendElement(data, mozilla::fallible)) {
return false;
}
}
return true;
}
} // namespace dom
} // namespace mozilla