gecko-dev/dom/base/ProcessGlobal.cpp

108 строки
3.2 KiB
C++

/* -*- 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 "ProcessGlobal.h"
#include "nsContentCID.h"
#include "nsDOMClassInfoID.h"
#include "mozilla/HoldDropJSObjects.h"
using namespace mozilla;
using namespace mozilla::dom;
ProcessGlobal::ProcessGlobal(nsFrameMessageManager* aMessageManager)
: mInitialized(false),
mMessageManager(aMessageManager)
{
SetIsNotDOMBinding();
mozilla::HoldJSObjects(this);
}
ProcessGlobal::~ProcessGlobal()
{
mAnonymousGlobalScopes.Clear();
mozilla::DropJSObjects(this);
}
ProcessGlobal*
ProcessGlobal::Get()
{
nsCOMPtr<nsISyncMessageSender> service = do_GetService(NS_CHILDPROCESSMESSAGEMANAGER_CONTRACTID);
if (!service) {
return nullptr;
}
return static_cast<ProcessGlobal*>(service.get());
}
// This method isn't automatically forwarded safely because it's notxpcom, so
// the IDL binding doesn't know what value to return.
NS_IMETHODIMP_(bool)
ProcessGlobal::MarkForCC()
{
MarkScopesForCC();
return mMessageManager ? mMessageManager->MarkForCC() : false;
}
NS_IMPL_CYCLE_COLLECTION_CLASS(ProcessGlobal)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(ProcessGlobal)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMessageManager)
tmp->TraverseHostObjectURIs(cb);
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(ProcessGlobal)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
tmp->nsMessageManagerScriptExecutor::Trace(aCallbacks, aClosure);
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(ProcessGlobal)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_UNLINK(mMessageManager)
tmp->nsMessageManagerScriptExecutor::Unlink();
tmp->UnlinkHostObjectURIs();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ProcessGlobal)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentProcessMessageManager)
NS_INTERFACE_MAP_ENTRY(nsIMessageListenerManager)
NS_INTERFACE_MAP_ENTRY(nsIMessageSender)
NS_INTERFACE_MAP_ENTRY(nsISyncMessageSender)
NS_INTERFACE_MAP_ENTRY(nsIContentProcessMessageManager)
NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)
NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(ContentProcessMessageManager)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(ProcessGlobal)
NS_IMPL_CYCLE_COLLECTING_RELEASE(ProcessGlobal)
bool
ProcessGlobal::Init()
{
if (mInitialized) {
return true;
}
mInitialized = true;
nsISupports* scopeSupports = NS_ISUPPORTS_CAST(nsIContentProcessMessageManager*, this);
return InitChildGlobalInternal(scopeSupports, NS_LITERAL_CSTRING("processChildGlobal"));
}
void
ProcessGlobal::LoadScript(const nsAString& aURL)
{
Init();
LoadScriptInternal(aURL, false);
}
void
ProcessGlobal::SetInitialProcessData(JS::HandleValue aInitialData)
{
mMessageManager->SetInitialProcessData(aInitialData);
}