зеркало из https://github.com/mozilla/gecko-dev.git
128 строки
4.5 KiB
C++
128 строки
4.5 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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*
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*
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* This Original Code has been modified by IBM Corporation.
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* Modifications made by IBM described herein are
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* Copyright (c) International Business Machines
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* Corporation, 2000
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*
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* Modifications to Mozilla code or documentation
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* identified per MPL Section 3.3
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*
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* Date Modified by Description of modification
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* 03/27/2000 IBM Corp. Added PR_CALLBACK for Optlink
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* use in OS2
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*/
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#include "nsDOMScriptObjectFactory.h"
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#include "nsScriptNameSpaceManager.h"
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#include "nsIObserverService.h"
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#include "nsJSEnvironment.h"
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#include "nsGlobalWindow.h"
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#include "nsCRT.h"
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#ifdef MOZ_XUL
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#include "nsXULPrototypeCache.h"
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#endif
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#include "nsThreadUtils.h"
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using mozilla::dom::GetNameSpaceManager;
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nsDOMScriptObjectFactory::nsDOMScriptObjectFactory()
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{
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nsCOMPtr<nsIObserverService> observerService =
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mozilla::services::GetObserverService();
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if (observerService) {
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observerService->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false);
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}
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}
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NS_INTERFACE_MAP_BEGIN(nsDOMScriptObjectFactory)
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NS_INTERFACE_MAP_ENTRY(nsIDOMScriptObjectFactory)
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NS_INTERFACE_MAP_ENTRY(nsIObserver)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMScriptObjectFactory)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(nsDOMScriptObjectFactory)
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NS_IMPL_RELEASE(nsDOMScriptObjectFactory)
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NS_IMETHODIMP_(nsISupports *)
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nsDOMScriptObjectFactory::GetClassInfoInstance(nsDOMClassInfoID aID)
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{
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return NS_GetDOMClassInfoInstance(aID);
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}
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NS_IMETHODIMP_(nsISupports *)
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nsDOMScriptObjectFactory::GetExternalClassInfoInstance(const nsAString& aName)
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{
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nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager();
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NS_ENSURE_TRUE(nameSpaceManager, nullptr);
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const nsGlobalNameStruct *globalStruct = nameSpaceManager->LookupName(aName);
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if (globalStruct) {
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if (globalStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfoCreator) {
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nsresult rv;
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nsCOMPtr<nsIDOMCIExtension> creator(do_CreateInstance(globalStruct->mCID, &rv));
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NS_ENSURE_SUCCESS(rv, nullptr);
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rv = creator->RegisterDOMCI(NS_ConvertUTF16toUTF8(aName).get(), this);
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NS_ENSURE_SUCCESS(rv, nullptr);
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globalStruct = nameSpaceManager->LookupName(aName);
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NS_ENSURE_TRUE(globalStruct, nullptr);
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NS_ASSERTION(globalStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfo,
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"The classinfo data for this class didn't get registered.");
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}
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if (globalStruct->mType == nsGlobalNameStruct::eTypeExternalClassInfo) {
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return nsDOMClassInfo::GetClassInfoInstance(globalStruct->mData);
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}
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}
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return nullptr;
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}
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NS_IMETHODIMP
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nsDOMScriptObjectFactory::Observe(nsISupports *aSubject,
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const char *aTopic,
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const char16_t *someData)
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{
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if (!nsCRT::strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID)) {
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#ifdef MOZ_XUL
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// Flush the XUL cache since it holds JS roots, and we're about to
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// start the final GC.
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nsXULPrototypeCache* cache = nsXULPrototypeCache::GetInstance();
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if (cache)
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cache->Flush();
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#endif
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMScriptObjectFactory::RegisterDOMClassInfo(const char *aName,
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nsDOMClassInfoExternalConstructorFnc aConstructorFptr,
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const nsIID *aProtoChainInterface,
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const nsIID **aInterfaces,
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uint32_t aScriptableFlags,
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bool aHasClassInterface,
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const nsCID *aConstructorCID)
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{
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nsScriptNameSpaceManager *nameSpaceManager = GetNameSpaceManager();
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NS_ENSURE_TRUE(nameSpaceManager, NS_ERROR_NOT_INITIALIZED);
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return nameSpaceManager->RegisterDOMCIData(aName,
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aConstructorFptr,
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aProtoChainInterface,
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aInterfaces,
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aScriptableFlags,
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aHasClassInterface,
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aConstructorCID);
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}
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