gecko-dev/dom/ipc/ContentBridgeChild.cpp

174 lines
5.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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 "mozilla/dom/ContentBridgeChild.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/StructuredCloneUtils.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/dom/ipc/Blob.h"
#include "mozilla/dom/ipc/nsIRemoteBlob.h"
#include "mozilla/ipc/InputStreamUtils.h"
#include "nsDOMFile.h"
#include "JavaScriptChild.h"
using namespace base;
using namespace mozilla::ipc;
using namespace mozilla::jsipc;
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS(ContentBridgeChild, nsIContentChild)
ContentBridgeChild::ContentBridgeChild(Transport* aTransport)
: mTransport(aTransport)
{}
ContentBridgeChild::~ContentBridgeChild()
{
XRE_GetIOMessageLoop()->PostTask(FROM_HERE, new DeleteTask<Transport>(mTransport));
}
void
ContentBridgeChild::ActorDestroy(ActorDestroyReason aWhy)
{
MessageLoop::current()->PostTask(
FROM_HERE,
NewRunnableMethod(this, &ContentBridgeChild::DeferredDestroy));
}
/*static*/ ContentBridgeChild*
ContentBridgeChild::Create(Transport* aTransport, ProcessId aOtherProcess)
{
nsRefPtr<ContentBridgeChild> bridge =
new ContentBridgeChild(aTransport);
ProcessHandle handle;
if (!base::OpenProcessHandle(aOtherProcess, &handle)) {
// XXX need to kill |aOtherProcess|, it's boned
return nullptr;
}
bridge->mSelfRef = bridge;
DebugOnly<bool> ok = bridge->Open(aTransport, handle, XRE_GetIOMessageLoop());
MOZ_ASSERT(ok);
return bridge;
}
void
ContentBridgeChild::DeferredDestroy()
{
mSelfRef = nullptr;
// |this| was just destroyed, hands off
}
bool
ContentBridgeChild::RecvAsyncMessage(const nsString& aMsg,
const ClonedMessageData& aData,
const InfallibleTArray<jsipc::CpowEntry>& aCpows,
const IPC::Principal& aPrincipal)
{
return nsIContentChild::RecvAsyncMessage(aMsg, aData, aCpows, aPrincipal);
}
PBlobChild*
ContentBridgeChild::SendPBlobConstructor(PBlobChild* actor,
const BlobConstructorParams& params)
{
return PContentBridgeChild::SendPBlobConstructor(actor, params);
}
bool
ContentBridgeChild::SendPBrowserConstructor(PBrowserChild* aActor,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const uint64_t& aID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
return PContentBridgeChild::SendPBrowserConstructor(aActor,
aContext,
aChromeFlags,
aID,
aIsForApp,
aIsForBrowser);
}
// This implementation is identical to ContentChild::GetCPOWManager but we can't
// move it to nsIContentChild because it calls ManagedPJavaScriptChild() which
// only exists in PContentChild and PContentBridgeChild.
jsipc::JavaScriptChild *
ContentBridgeChild::GetCPOWManager()
{
if (ManagedPJavaScriptChild().Length()) {
return static_cast<JavaScriptChild*>(ManagedPJavaScriptChild()[0]);
}
JavaScriptChild* actor = static_cast<JavaScriptChild*>(SendPJavaScriptConstructor());
return actor;
}
mozilla::jsipc::PJavaScriptChild *
ContentBridgeChild::AllocPJavaScriptChild()
{
return nsIContentChild::AllocPJavaScriptChild();
}
bool
ContentBridgeChild::DeallocPJavaScriptChild(PJavaScriptChild *child)
{
return nsIContentChild::DeallocPJavaScriptChild(child);
}
PBrowserChild*
ContentBridgeChild::AllocPBrowserChild(const IPCTabContext &aContext,
const uint32_t& aChromeFlags,
const uint64_t& aID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
return nsIContentChild::AllocPBrowserChild(aContext,
aChromeFlags,
aID,
aIsForApp,
aIsForBrowser);
}
bool
ContentBridgeChild::DeallocPBrowserChild(PBrowserChild* aChild)
{
return nsIContentChild::DeallocPBrowserChild(aChild);
}
bool
ContentBridgeChild::RecvPBrowserConstructor(PBrowserChild* aActor,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const uint64_t& aID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
return ContentChild::GetSingleton()->RecvPBrowserConstructor(aActor,
aContext,
aChromeFlags,
aID,
aIsForApp,
aIsForBrowser);
}
PBlobChild*
ContentBridgeChild::AllocPBlobChild(const BlobConstructorParams& aParams)
{
return nsIContentChild::AllocPBlobChild(aParams);
}
bool
ContentBridgeChild::DeallocPBlobChild(PBlobChild* aActor)
{
return nsIContentChild::DeallocPBlobChild(aActor);
}
} // namespace dom
} // namespace mozilla