diff options
Diffstat (limited to 'dom/ipc/ContentBridgeParent.cpp')
| -rw-r--r-- | dom/ipc/ContentBridgeParent.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/dom/ipc/ContentBridgeParent.cpp b/dom/ipc/ContentBridgeParent.cpp new file mode 100644 index 000000000..eee0e1c10 --- /dev/null +++ b/dom/ipc/ContentBridgeParent.cpp @@ -0,0 +1,221 @@ +/* -*- 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 |