gecko-dev/dom/ipc/nsIContentChild.cpp

132 строки
3.7 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 "nsIContentChild.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/DOMTypes.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/dom/ipc/BlobChild.h"
#include "mozilla/dom/ipc/StructuredCloneData.h"
#include "mozilla/ipc/InputStreamUtils.h"
#include "nsPrintfCString.h"
#include "xpcpublic.h"
using namespace mozilla::ipc;
using namespace mozilla::jsipc;
namespace mozilla {
namespace dom {
PJavaScriptChild*
nsIContentChild::AllocPJavaScriptChild()
{
return NewJavaScriptChild(xpc::GetJSRuntime());
}
bool
nsIContentChild::DeallocPJavaScriptChild(PJavaScriptChild* aChild)
{
ReleaseJavaScriptChild(aChild);
return true;
}
PBrowserChild*
nsIContentChild::AllocPBrowserChild(const TabId& aTabId,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
// We'll happily accept any kind of IPCTabContext here; we don't need to
// check that it's of a certain type for security purposes, because we
// believe whatever the parent process tells us.
MaybeInvalidTabContext tc(aContext);
if (!tc.IsValid()) {
NS_ERROR(nsPrintfCString("Received an invalid TabContext from "
"the parent process. (%s) Crashing...",
tc.GetInvalidReason()).get());
MOZ_CRASH("Invalid TabContext received from the parent process.");
}
RefPtr<TabChild> child =
TabChild::Create(this, aTabId, tc.GetTabContext(), aChromeFlags);
// The ref here is released in DeallocPBrowserChild.
return child.forget().take();
}
bool
nsIContentChild::DeallocPBrowserChild(PBrowserChild* aIframe)
{
TabChild* child = static_cast<TabChild*>(aIframe);
NS_RELEASE(child);
return true;
}
PBlobChild*
nsIContentChild::AllocPBlobChild(const BlobConstructorParams& aParams)
{
return BlobChild::Create(this, aParams);
}
bool
nsIContentChild::DeallocPBlobChild(PBlobChild* aActor)
{
BlobChild::Destroy(aActor);
return true;
}
BlobChild*
nsIContentChild::GetOrCreateActorForBlob(Blob* aBlob)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aBlob);
RefPtr<BlobImpl> blobImpl = aBlob->Impl();
MOZ_ASSERT(blobImpl);
return GetOrCreateActorForBlobImpl(blobImpl);
}
BlobChild*
nsIContentChild::GetOrCreateActorForBlobImpl(BlobImpl* aImpl)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aImpl);
BlobChild* actor = BlobChild::GetOrCreate(this, aImpl);
NS_ENSURE_TRUE(actor, nullptr);
return actor;
}
bool
nsIContentChild::RecvAsyncMessage(const nsString& aMsg,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal)
{
RefPtr<nsFrameMessageManager> cpm = nsFrameMessageManager::GetChildProcessManager();
if (cpm) {
ipc::StructuredCloneData data;
ipc::UnpackClonedMessageDataForChild(aData, data);
CrossProcessCpowHolder cpows(this, aCpows);
cpm->ReceiveMessage(static_cast<nsIContentFrameMessageManager*>(cpm.get()), nullptr,
aMsg, false, &data, &cpows, aPrincipal, nullptr);
}
return true;
}
} // namespace dom
} // namespace mozilla