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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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(Transport* aTransport)
: mTransport(aTransport)
{}
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(Transport* aTransport, ProcessId aOtherPid)
{
RefPtr<ContentBridgeParent> bridge =
new ContentBridgeParent(aTransport);
bridge->mSelfRef = bridge;
DebugOnly<bool> ok = bridge->Open(aTransport, aOtherPid,
XRE_GetIOMessageLoop());
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
}
bool
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);
}
bool
ContentBridgeParent::RecvAsyncMessage(const nsString& aMsg,
InfallibleTArray<jsipc::CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
const ClonedMessageData& aData)
{
return nsIContentParent::RecvAsyncMessage(aMsg, Move(aCpows),
aPrincipal, aData);
}
PBlobParent*
ContentBridgeParent::SendPBlobConstructor(PBlobParent* actor,
const BlobConstructorParams& params)
{
return PContentBridgeParent::SendPBlobConstructor(actor, params);
}
PBrowserParent*
ContentBridgeParent::SendPBrowserConstructor(PBrowserParent* aActor,
const TabId& aTabId,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
return PContentBridgeParent::SendPBrowserConstructor(aActor,
aTabId,
aContext,
aChromeFlags,
aCpID,
aIsForApp,
aIsForBrowser);
}
PBlobParent*
ContentBridgeParent::AllocPBlobParent(const BlobConstructorParams& aParams)
{
return nsIContentParent::AllocPBlobParent(aParams);
}
bool
ContentBridgeParent::DeallocPBlobParent(PBlobParent* aActor)
{
return nsIContentParent::DeallocPBlobParent(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 IPCTabContext &aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
return nsIContentParent::AllocPBrowserParent(aTabId,
aContext,
aChromeFlags,
aCpID,
aIsForApp,
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::AllocPFileDescriptorSetParent(const FileDescriptor& aFD)
{
return nsIContentParent::AllocPFileDescriptorSetParent(aFD);
}
bool
ContentBridgeParent::DeallocPFileDescriptorSetParent(PFileDescriptorSetParent* aActor)
{
return nsIContentParent::DeallocPFileDescriptorSetParent(aActor);
}
PSendStreamParent*
ContentBridgeParent::AllocPSendStreamParent()
{
return nsIContentParent::AllocPSendStreamParent();
}
bool
ContentBridgeParent::DeallocPSendStreamParent(PSendStreamParent* aActor)
{
return nsIContentParent::DeallocPSendStreamParent(aActor);
}
} // namespace dom
} // namespace mozilla
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