gecko-dev/dom/ipc/ContentBridgeParent.cpp

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8.0 KiB
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/* -*- 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 "mozilla/dom/ContentBridgeParent.h"
#include "mozilla/dom/TabParent.h"
#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
#include "nsXULAppAPI.h"
#include "nsIObserverService.h"
#include "base/task.h"
using namespace mozilla::ipc;
using namespace mozilla::jsipc;
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS(ContentBridgeParent,
nsIContentParent,
nsIObserver)
ContentBridgeParent::ContentBridgeParent()
: mIsForJSPlugin(false)
{}
ContentBridgeParent::~ContentBridgeParent()
{
}
void
ContentBridgeParent::ActorDestroy(ActorDestroyReason aWhy)
{
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
os->RemoveObserver(this, "content-child-shutdown");
}
MessageLoop::current()->PostTask(NewRunnableMethod(this, &ContentBridgeParent::DeferredDestroy));
}
/*static*/ ContentBridgeParent*
ContentBridgeParent::Create(Endpoint<PContentBridgeParent>&& aEndpoint)
{
RefPtr<ContentBridgeParent> bridge = new ContentBridgeParent();
bridge->mSelfRef = bridge;
DebugOnly<bool> ok = aEndpoint.Bind(bridge);
MOZ_ASSERT(ok);
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
os->AddObserver(bridge, "content-child-shutdown", false);
}
// Initialize the message manager (and load delayed scripts) now that we
// have established communications with the child.
bridge->mMessageManager->InitWithCallback(bridge);
return bridge.get();
}
void
ContentBridgeParent::DeferredDestroy()
{
mSelfRef = nullptr;
// |this| was just destroyed, hands off
}
mozilla::ipc::IPCResult
ContentBridgeParent::RecvSyncMessage(const nsString& aMsg,
const ClonedMessageData& aData,
InfallibleTArray<jsipc::CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
nsTArray<StructuredCloneData>* aRetvals)
{
return nsIContentParent::RecvSyncMessage(aMsg, aData, Move(aCpows),
aPrincipal, aRetvals);
}
mozilla::ipc::IPCResult
ContentBridgeParent::RecvAsyncMessage(const nsString& aMsg,
InfallibleTArray<jsipc::CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
const ClonedMessageData& aData)
{
return nsIContentParent::RecvAsyncMessage(aMsg, Move(aCpows),
aPrincipal, aData);
}
PBrowserParent*
ContentBridgeParent::SendPBrowserConstructor(PBrowserParent* aActor,
const TabId& aTabId,
const TabId& aSameTabGroupAs,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpID,
const bool& aIsForBrowser)
{
return PContentBridgeParent::SendPBrowserConstructor(aActor,
aTabId,
aSameTabGroupAs,
aContext,
aChromeFlags,
aCpID,
aIsForBrowser);
}
PParentToChildStreamParent*
ContentBridgeParent::SendPParentToChildStreamConstructor(PParentToChildStreamParent* aActor)
{
return PContentBridgeParent::SendPParentToChildStreamConstructor(aActor);
}
PIPCBlobInputStreamParent*
ContentBridgeParent::SendPIPCBlobInputStreamConstructor(PIPCBlobInputStreamParent* aActor,
const nsID& aID,
const uint64_t& aSize)
{
return
PContentBridgeParent::SendPIPCBlobInputStreamConstructor(aActor, aID, aSize);
}
PIPCBlobInputStreamParent*
ContentBridgeParent::AllocPIPCBlobInputStreamParent(const nsID& aID,
const uint64_t& aSize)
{
return nsIContentParent::AllocPIPCBlobInputStreamParent(aID, aSize);
}
bool
ContentBridgeParent::DeallocPIPCBlobInputStreamParent(PIPCBlobInputStreamParent* aActor)
{
return nsIContentParent::DeallocPIPCBlobInputStreamParent(aActor);
}
mozilla::jsipc::PJavaScriptParent *
ContentBridgeParent::AllocPJavaScriptParent()
{
return nsIContentParent::AllocPJavaScriptParent();
}
bool
ContentBridgeParent::DeallocPJavaScriptParent(PJavaScriptParent *parent)
{
return nsIContentParent::DeallocPJavaScriptParent(parent);
}
PBrowserParent*
ContentBridgeParent::AllocPBrowserParent(const TabId& aTabId,
const TabId& aSameTabGroupAs,
const IPCTabContext &aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpID,
const bool& aIsForBrowser)
{
return nsIContentParent::AllocPBrowserParent(aTabId,
aSameTabGroupAs,
aContext,
aChromeFlags,
aCpID,
aIsForBrowser);
}
bool
ContentBridgeParent::DeallocPBrowserParent(PBrowserParent* aParent)
{
return nsIContentParent::DeallocPBrowserParent(aParent);
}
void
ContentBridgeParent::NotifyTabDestroyed()
{
int32_t numLiveTabs = ManagedPBrowserParent().Count();
if (numLiveTabs == 1) {
MessageLoop::current()->PostTask(NewRunnableMethod(this, &ContentBridgeParent::Close));
}
}
// This implementation is identical to ContentParent::GetCPOWManager but we can't
// move it to nsIContentParent because it calls ManagedPJavaScriptParent() which
// only exists in PContentParent and PContentBridgeParent.
jsipc::CPOWManager*
ContentBridgeParent::GetCPOWManager()
{
if (PJavaScriptParent* p = LoneManagedOrNullAsserts(ManagedPJavaScriptParent())) {
return CPOWManagerFor(p);
}
return nullptr;
}
NS_IMETHODIMP
ContentBridgeParent::Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData)
{
if (!strcmp(aTopic, "content-child-shutdown")) {
Close();
}
return NS_OK;
}
PFileDescriptorSetParent*
ContentBridgeParent::SendPFileDescriptorSetConstructor(const FileDescriptor& aFD)
{
return PContentBridgeParent::SendPFileDescriptorSetConstructor(aFD);
}
PFileDescriptorSetParent*
ContentBridgeParent::AllocPFileDescriptorSetParent(const FileDescriptor& aFD)
{
return nsIContentParent::AllocPFileDescriptorSetParent(aFD);
}
bool
ContentBridgeParent::DeallocPFileDescriptorSetParent(PFileDescriptorSetParent* aActor)
{
return nsIContentParent::DeallocPFileDescriptorSetParent(aActor);
}
PChildToParentStreamParent*
ContentBridgeParent::AllocPChildToParentStreamParent()
{
return nsIContentParent::AllocPChildToParentStreamParent();
}
bool
ContentBridgeParent::DeallocPChildToParentStreamParent(PChildToParentStreamParent* aActor)
{
return nsIContentParent::DeallocPChildToParentStreamParent(aActor);
}
PParentToChildStreamParent*
ContentBridgeParent::AllocPParentToChildStreamParent()
{
return nsIContentParent::AllocPParentToChildStreamParent();
}
bool
ContentBridgeParent::DeallocPParentToChildStreamParent(PParentToChildStreamParent* aActor)
{
return nsIContentParent::DeallocPParentToChildStreamParent(aActor);
}
} // namespace dom
} // namespace mozilla