190 lines
4.6 KiB
C++
190 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsRepository.h"
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#include "nsXPComFactory.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDOMXPConnectFactory.h"
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// Declare IIDs...
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static NS_DEFINE_IID(kIDOMXPConnectFactoryIID, NS_IDOMXPCONNECTFACTORY_IID);
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static NS_DEFINE_IID(kIScriptObjectOwnerIID, NS_ISCRIPTOBJECTOWNER_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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class XPConnectFactoryImpl : public nsIDOMXPConnectFactory,
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public nsIScriptObjectOwner
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{
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public:
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XPConnectFactoryImpl();
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NS_DECL_ISUPPORTS
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// nsIXPConnectFactory interface...
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NS_IMETHOD CreateInstance(const nsString &progID, nsISupports**_retval);
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// nsIScriptObjectOwner interface...
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NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject);
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NS_IMETHOD SetScriptObject(void *aScriptObject);
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protected:
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virtual ~XPConnectFactoryImpl();
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private:
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void *mScriptObject;
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};
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XPConnectFactoryImpl::XPConnectFactoryImpl()
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{
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NS_INIT_REFCNT();
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mScriptObject = nsnull;
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}
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XPConnectFactoryImpl::~XPConnectFactoryImpl()
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{
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}
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// -----
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// Implementation of nsISupports interface methods...
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// -----
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NS_IMPL_ADDREF(XPConnectFactoryImpl)
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NS_IMPL_RELEASE(XPConnectFactoryImpl)
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NS_IMETHODIMP
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XPConnectFactoryImpl::QueryInterface(REFNSIID aIID,void** aInstancePtr)
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{
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if (aInstancePtr == NULL) {
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return NS_ERROR_NULL_POINTER;
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}
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// Always NULL result, in case of failure
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*aInstancePtr = NULL;
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if ( aIID.Equals(kIDOMXPConnectFactoryIID) ) {
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nsIDOMXPConnectFactory* tmp = this;
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*aInstancePtr = tmp;
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AddRef();
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return NS_OK;
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}
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else if ( aIID.Equals(kIScriptObjectOwnerIID)) {
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nsIScriptObjectOwner* tmp = this;
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*aInstancePtr = tmp;
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AddRef();
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return NS_OK;
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}
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else if ( aIID.Equals(kISupportsIID) ) {
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nsISupports* tmp = (nsIDOMXPConnectFactory*)this;
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*aInstancePtr = tmp;
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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// -----
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// Implementation of nsIXPConnectFactory interface methods...
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// -----
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NS_IMETHODIMP
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XPConnectFactoryImpl::CreateInstance(const nsString &progID, nsISupports**_retval)
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{
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nsresult rv;
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char *progIdStr;
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// Argument validation...
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if (!_retval) {
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rv = NS_ERROR_NULL_POINTER;
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goto done;
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}
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*_retval = nsnull;
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progIdStr = progID.ToNewCString();
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if (progIdStr) {
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rv = nsRepository::CreateInstance(progIdStr,
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nsnull, // No Aggregration
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kISupportsIID,
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(void**)_retval);
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delete [] progIdStr;
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} else {
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rv = NS_ERROR_OUT_OF_MEMORY;
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}
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done:
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return rv;
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}
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// -----
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// Implementation of nsIScriptObjectOwner interface methods...
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// -----
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NS_IMETHODIMP
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XPConnectFactoryImpl::GetScriptObject(nsIScriptContext *aContext, void **aScriptObject)
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{
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nsresult rv = NS_OK;
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// Argument validation...
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if (!aScriptObject) {
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rv = NS_ERROR_NULL_POINTER;
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} else {
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if (!mScriptObject) {
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nsIScriptGlobalObject *global = aContext->GetGlobalObject();
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rv = NS_NewScriptXPConnectFactory(aContext, (nsISupports *)(nsIDOMXPConnectFactory*)this, global, (void**)&mScriptObject);
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NS_IF_RELEASE(global);
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}
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*aScriptObject = mScriptObject;
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}
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return rv;
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}
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NS_IMETHODIMP
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XPConnectFactoryImpl::SetScriptObject(void *aScriptObject)
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{
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mScriptObject = aScriptObject;
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return NS_OK;
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}
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// -----
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// Entry point to create nsXPConnectFactory factory instances...
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// -----
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NS_DEF_FACTORY(XPConnectFactory, XPConnectFactoryImpl)
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nsresult NS_NewXPConnectFactoryFactory(nsIFactory** aResult)
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{
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nsresult rv = NS_OK;
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nsIFactory* inst = new nsXPConnectFactoryFactory();
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if (nsnull == inst) {
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rv = NS_ERROR_OUT_OF_MEMORY;
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}
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else {
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NS_ADDREF(inst);
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}
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*aResult = inst;
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return rv;
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}
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