forked from mirrors/gecko-dev
d9d7e2e3d7
New embedding APIs for *simple* initialisation by hiding all the XPCOM initialisation and kludges that embedding apps have to do.
125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications, Inc. Portions created by Netscape are
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
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*
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* Author:
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* Adam Lock <adamlock@netscape.com>
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*
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* Contributor(s):
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*/
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#include "nsIServiceManager.h"
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#include "nsILocalFile.h"
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#include "nsIEventQueueService.h"
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static nsIServiceManager *sServiceManager = nsnull;
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static PRBool sRegistryInitializedFlag = PR_FALSE;
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#ifdef HACK_AROUND_NONREENTRANT_INITXPCOM
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static PRBool sXPCOMInitializedFlag = PR_FALSE;
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#endif
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extern "C" void NS_SetupRegistry();
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NS_DEFINE_IID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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nsresult NS_InitEmbedding(const char *aPath)
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{
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// Initialise XPCOM
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#ifdef HACK_AROUND_NONREENTRANT_INITXPCOM
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// Can't call NS_InitXPCom more than once or things go boom!
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if (!sXPCOMInitializedFlag)
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#endif
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{
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// Create an object to represent the path
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nsILocalFile *pBinDirPath = nsnull;
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if (aPath && strlen(aPath) > 0)
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{
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NS_NewLocalFile(aPath, &pBinDirPath);
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}
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// Initialise XPCOM
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if (pBinDirPath)
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{
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NS_InitXPCOM(&sServiceManager, pBinDirPath);
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NS_RELEASE(pBinDirPath);
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}
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else
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{
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NS_InitXPCOM(&sServiceManager, nsnull);
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}
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#ifdef HACK_AROUND_NONREENTRANT_INITXPCOM
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sXPCOMInitializedFlag = PR_TRUE;
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#endif
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}
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nsresult rv;
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// Register components
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if (!sRegistryInitializedFlag)
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{
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NS_SetupRegistry();
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rv = nsComponentManager::AutoRegister(nsIComponentManager::NS_Startup, NULL /* default */);
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if (NS_OK != rv)
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{
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NS_ASSERTION(PR_FALSE, "Could not AutoRegister");
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return rv;
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}
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sRegistryInitializedFlag = PR_TRUE;
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}
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// Create the Event Queue for the UI thread...
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//
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// If an event queue already exists for the thread, then
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// CreateThreadEventQueue(...) will fail...
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nsIEventQueueService* eventQService = NULL;
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rv = nsServiceManager::GetService(kEventQueueServiceCID,
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NS_GET_IID(nsIEventQueueService),
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(nsISupports **)&eventQService);
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if (NS_SUCCEEDED(rv))
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{
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rv = eventQService->CreateThreadEventQueue();
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nsServiceManager::ReleaseService(kEventQueueServiceCID, eventQService);
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}
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return NS_OK;
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}
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nsresult NS_TermEmbedding()
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{
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// Destroy the event queue
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nsIEventQueueService* eventQService = NULL;
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nsresult rv = nsServiceManager::GetService(kEventQueueServiceCID,
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NS_GET_IID(nsIEventQueueService),
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(nsISupports **)&eventQService);
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if (NS_SUCCEEDED(rv))
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{
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rv = eventQService->DestroyThreadEventQueue();
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nsServiceManager::ReleaseService(kEventQueueServiceCID, eventQService);
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}
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// Terminate XPCOM & cleanup
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#ifndef HACK_AROUND_NONREENTRANT_INITXPCOM
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NS_ShutdownXPCOM(sServiceManager);
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#endif
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sServiceManager = nsnull;
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return NS_OK;
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}
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