/* -*- 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(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