зеркало из https://github.com/mozilla/gecko-dev.git
151 строка
4.4 KiB
C++
151 строка
4.4 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ProcessGlobal.h"
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#include "nsContentCID.h"
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#include "mozilla/dom/MessageManagerBinding.h"
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#include "mozilla/dom/ResolveSystemBinding.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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ProcessGlobal::ProcessGlobal(nsFrameMessageManager* aMessageManager)
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: MessageManagerGlobal(aMessageManager),
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mInitialized(false)
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{
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mozilla::HoldJSObjects(this);
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}
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ProcessGlobal::~ProcessGlobal()
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{
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mAnonymousGlobalScopes.Clear();
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mozilla::DropJSObjects(this);
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}
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bool
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ProcessGlobal::DoResolve(JSContext* aCx, JS::Handle<JSObject*> aObj,
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JS::Handle<jsid> aId,
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JS::MutableHandle<JS::PropertyDescriptor> aDesc)
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{
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bool found;
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if (!SystemGlobalResolve(aCx, aObj, aId, &found)) {
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return false;
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}
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if (found) {
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FillPropertyDescriptor(aDesc, aObj, JS::UndefinedValue(), false);
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}
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return true;
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}
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/* static */
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bool
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ProcessGlobal::MayResolve(jsid aId)
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{
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return MayResolveAsSystemBindingName(aId);
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}
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void
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ProcessGlobal::GetOwnPropertyNames(JSContext* aCx, JS::AutoIdVector& aNames,
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bool aEnumerableOnly, ErrorResult& aRv)
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{
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JS::Rooted<JSObject*> thisObj(aCx, GetWrapper());
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GetSystemBindingNames(aCx, thisObj, aNames, aEnumerableOnly, aRv);
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}
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ProcessGlobal*
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ProcessGlobal::Get()
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{
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nsCOMPtr<nsISyncMessageSender> service = do_GetService(NS_CHILDPROCESSMESSAGEMANAGER_CONTRACTID);
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if (!service) {
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return nullptr;
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}
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return static_cast<ProcessGlobal*>(service.get());
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}
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// This method isn't automatically forwarded safely because it's notxpcom, so
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// the IDL binding doesn't know what value to return.
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NS_IMETHODIMP_(bool)
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ProcessGlobal::MarkForCC()
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{
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MarkScopesForCC();
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return MessageManagerGlobal::MarkForCC();
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(ProcessGlobal)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(ProcessGlobal)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMessageManager)
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tmp->TraverseHostObjectURIs(cb);
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(ProcessGlobal)
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NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
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tmp->nsMessageManagerScriptExecutor::Trace(aCallbacks, aClosure);
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(ProcessGlobal)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mMessageManager)
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tmp->nsMessageManagerScriptExecutor::Unlink();
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tmp->UnlinkHostObjectURIs();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ProcessGlobal)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentProcessMessageManager)
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NS_INTERFACE_MAP_ENTRY(nsIMessageListenerManager)
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NS_INTERFACE_MAP_ENTRY(nsIMessageSender)
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NS_INTERFACE_MAP_ENTRY(nsISyncMessageSender)
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NS_INTERFACE_MAP_ENTRY(nsIContentProcessMessageManager)
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NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)
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NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)
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NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(ProcessGlobal)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(ProcessGlobal)
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bool
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ProcessGlobal::Init()
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{
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if (mInitialized) {
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return true;
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}
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mInitialized = true;
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return InitChildGlobalInternal(NS_LITERAL_CSTRING("processChildGlobal"));
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}
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bool
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ProcessGlobal::WrapGlobalObject(JSContext* aCx,
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JS::CompartmentOptions& aOptions,
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JS::MutableHandle<JSObject*> aReflector)
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{
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bool ok = ContentProcessMessageManagerBinding::Wrap(aCx, this, this, aOptions,
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nsJSPrincipals::get(mPrincipal),
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true, aReflector);
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if (ok) {
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// Since we can't rewrap we have to preserve the global's wrapper here.
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PreserveWrapper(ToSupports(this));
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}
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return ok;
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}
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void
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ProcessGlobal::LoadScript(const nsAString& aURL)
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{
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Init();
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JS::Rooted<JSObject*> global(mozilla::dom::RootingCx(), GetWrapper());
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LoadScriptInternal(global, aURL, false);
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}
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void
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ProcessGlobal::SetInitialProcessData(JS::HandleValue aInitialData)
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{
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mMessageManager->SetInitialProcessData(aInitialData);
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}
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