mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-08-14 10:29:31 +00:00
202 lines
6.6 KiB
C++
202 lines
6.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/ContentBridgeParent.h"
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#include "mozilla/dom/TabParent.h"
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#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
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#include "nsXULAppAPI.h"
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#include "nsIObserverService.h"
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using namespace mozilla::ipc;
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using namespace mozilla::jsipc;
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namespace mozilla {
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namespace dom {
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NS_IMPL_ISUPPORTS(ContentBridgeParent,
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nsIContentParent,
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nsIObserver)
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ContentBridgeParent::ContentBridgeParent(Transport* aTransport)
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: mTransport(aTransport)
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{}
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ContentBridgeParent::~ContentBridgeParent()
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{
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XRE_GetIOMessageLoop()->PostTask(FROM_HERE, new DeleteTask<Transport>(mTransport));
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}
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void
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ContentBridgeParent::ActorDestroy(ActorDestroyReason aWhy)
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{
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nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
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if (os) {
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os->RemoveObserver(this, "content-child-shutdown");
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}
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MessageLoop::current()->PostTask(
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FROM_HERE,
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NewRunnableMethod(this, &ContentBridgeParent::DeferredDestroy));
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}
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/*static*/ ContentBridgeParent*
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ContentBridgeParent::Create(Transport* aTransport, ProcessId aOtherPid)
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{
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RefPtr<ContentBridgeParent> bridge =
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new ContentBridgeParent(aTransport);
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bridge->mSelfRef = bridge;
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DebugOnly<bool> ok = bridge->Open(aTransport, aOtherPid,
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XRE_GetIOMessageLoop());
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MOZ_ASSERT(ok);
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nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
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if (os) {
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os->AddObserver(bridge, "content-child-shutdown", false);
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}
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// Initialize the message manager (and load delayed scripts) now that we
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// have established communications with the child.
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bridge->mMessageManager->InitWithCallback(bridge);
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return bridge.get();
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}
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void
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ContentBridgeParent::DeferredDestroy()
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{
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mSelfRef = nullptr;
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// |this| was just destroyed, hands off
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}
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bool
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ContentBridgeParent::RecvSyncMessage(const nsString& aMsg,
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const ClonedMessageData& aData,
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InfallibleTArray<jsipc::CpowEntry>&& aCpows,
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const IPC::Principal& aPrincipal,
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nsTArray<StructuredCloneData>* aRetvals)
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{
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return nsIContentParent::RecvSyncMessage(aMsg, aData, Move(aCpows),
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aPrincipal, aRetvals);
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}
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bool
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ContentBridgeParent::RecvAsyncMessage(const nsString& aMsg,
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const ClonedMessageData& aData,
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InfallibleTArray<jsipc::CpowEntry>&& aCpows,
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const IPC::Principal& aPrincipal)
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{
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return nsIContentParent::RecvAsyncMessage(aMsg, aData, Move(aCpows),
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aPrincipal);
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}
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PBlobParent*
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ContentBridgeParent::SendPBlobConstructor(PBlobParent* actor,
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const BlobConstructorParams& params)
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{
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return PContentBridgeParent::SendPBlobConstructor(actor, params);
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}
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PBrowserParent*
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ContentBridgeParent::SendPBrowserConstructor(PBrowserParent* aActor,
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const TabId& aTabId,
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const IPCTabContext& aContext,
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const uint32_t& aChromeFlags,
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const ContentParentId& aCpID,
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const bool& aIsForApp,
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const bool& aIsForBrowser)
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{
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return PContentBridgeParent::SendPBrowserConstructor(aActor,
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aTabId,
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aContext,
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aChromeFlags,
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aCpID,
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aIsForApp,
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aIsForBrowser);
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}
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PBlobParent*
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ContentBridgeParent::AllocPBlobParent(const BlobConstructorParams& aParams)
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{
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return nsIContentParent::AllocPBlobParent(aParams);
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}
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bool
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ContentBridgeParent::DeallocPBlobParent(PBlobParent* aActor)
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{
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return nsIContentParent::DeallocPBlobParent(aActor);
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}
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mozilla::jsipc::PJavaScriptParent *
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ContentBridgeParent::AllocPJavaScriptParent()
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{
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return nsIContentParent::AllocPJavaScriptParent();
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}
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bool
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ContentBridgeParent::DeallocPJavaScriptParent(PJavaScriptParent *parent)
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{
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return nsIContentParent::DeallocPJavaScriptParent(parent);
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}
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PBrowserParent*
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ContentBridgeParent::AllocPBrowserParent(const TabId& aTabId,
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const IPCTabContext &aContext,
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const uint32_t& aChromeFlags,
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const ContentParentId& aCpID,
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const bool& aIsForApp,
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const bool& aIsForBrowser)
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{
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return nsIContentParent::AllocPBrowserParent(aTabId,
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aContext,
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aChromeFlags,
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aCpID,
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aIsForApp,
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aIsForBrowser);
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}
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bool
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ContentBridgeParent::DeallocPBrowserParent(PBrowserParent* aParent)
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{
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return nsIContentParent::DeallocPBrowserParent(aParent);
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}
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void
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ContentBridgeParent::NotifyTabDestroyed()
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{
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int32_t numLiveTabs = ManagedPBrowserParent().Count();
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if (numLiveTabs == 1) {
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MessageLoop::current()->PostTask(
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FROM_HERE,
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NewRunnableMethod(this, &ContentBridgeParent::Close));
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}
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}
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// This implementation is identical to ContentParent::GetCPOWManager but we can't
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// move it to nsIContentParent because it calls ManagedPJavaScriptParent() which
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// only exists in PContentParent and PContentBridgeParent.
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jsipc::CPOWManager*
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ContentBridgeParent::GetCPOWManager()
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{
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if (PJavaScriptParent* p = LoneManagedOrNullAsserts(ManagedPJavaScriptParent())) {
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return CPOWManagerFor(p);
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}
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return nullptr;
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}
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NS_IMETHODIMP
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ContentBridgeParent::Observe(nsISupports* aSubject,
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const char* aTopic,
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const char16_t* aData)
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{
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if (!strcmp(aTopic, "content-child-shutdown")) {
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Close();
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}
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return NS_OK;
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}
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} // namespace dom
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} // namespace mozilla
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