Mozilla/mozilla/widget/src/mac/nsWidgetFactory.cpp
kostello%netscape.com 16a9f6d08b Fix CreateInstance
git-svn-id: svn://10.0.0.236/trunk@10084 18797224-902f-48f8-a5cc-f745e15eee43
1998-09-15 21:55:50 +00:00

271 lines
7.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsIFactory.h"
#include "nsISupports.h"
#include "nsIButton.h"
#include "nsITextWidget.h"
#include "nsWidgetsCID.h"
#include "nsToolkit.h"
#include "nsWindow.h"
#include "nsAppShell.h"
#include "nsButton.h"
#include "nsRadioButton.h"
#include "nsCheckButton.h"
#include "nsTextWidget.h"
#include "nsFileWidget.h"
//#include "nsScrollbar.h"
//#include "nsTextAreaWidget.h"
//#include "nsListBox.h"
//#include "nsComboBox.h"
//#include "nsLookAndFeel.h"
#define MACSTATIC
static NS_DEFINE_IID(kCWindow, NS_WINDOW_CID);
static NS_DEFINE_IID(kCChild, NS_CHILD_CID);
static NS_DEFINE_IID(kCAppShellCID, NS_APPSHELL_CID);
static NS_DEFINE_IID(kCHorzScrollbarCID, NS_HORZSCROLLBAR_CID);
static NS_DEFINE_IID(kCVertScrollbarCID, NS_VERTSCROLLBAR_CID);
static NS_DEFINE_IID(kCCheckButtonCID, NS_CHECKBUTTON_CID);
static NS_DEFINE_IID(kCRadioButtonCID, NS_RADIOBUTTON_CID);
static NS_DEFINE_IID(kCTextWidgetCID, NS_TEXTFIELD_CID);
static NS_DEFINE_IID(kCTextAreaWidgetCID, NS_TEXTAREA_CID);
static NS_DEFINE_IID(kCFileWidgetCID, NS_FILEWIDGET_CID);
static NS_DEFINE_IID(kCButtonCID, NS_BUTTON_CID);
static NS_DEFINE_IID(kCListBoxCID, NS_LISTBOX_CID);
static NS_DEFINE_IID(kCComboBoxCID, NS_COMBOBOX_CID);
static NS_DEFINE_IID(kCLookAndFeelCID, NS_LOOKANDFEEL_CID);
static NS_DEFINE_IID(kIWidget, NS_IWIDGET_IID);
static NS_DEFINE_IID(kIAppShellIID, NS_IAPPSHELL_IID);
static NS_DEFINE_IID(kIButton, NS_IBUTTON_IID);
static NS_DEFINE_IID(kICheckButton, NS_ICHECKBUTTON_IID);
//static NS_DEFINE_IID(kIScrollbar, NS_ISCROLLBAR_IID);
//static NS_DEFINE_IID(kIFileWidget, NS_IFILEWIDGET_IID);
//static NS_DEFINE_IID(kIListBox, NS_ILISTBOX_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
class nsWidgetFactory : public nsIFactory
{
public:
NS_DECL_ISUPPORTS
// nsIFactory methods
NS_IMETHOD CreateInstance(nsISupports *aOuter,
const nsIID &aIID,
void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
nsWidgetFactory(const nsCID &aClass);
~nsWidgetFactory();
private:
nsCID mClassID;
};
nsWidgetFactory::nsWidgetFactory(const nsCID &aClass)
{
mClassID = aClass;
}
nsWidgetFactory::~nsWidgetFactory()
{
}
nsresult nsWidgetFactory::QueryInterface(const nsIID &aIID,
void **aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kIFactoryIID)) {
*aInstancePtr = (void*)(nsWidgetFactory*)this;
AddRef();
return NS_OK;
}
if (aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*)(nsISupports*)(nsWidgetFactory*)this;
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_IMPL_ADDREF(nsWidgetFactory)
NS_IMPL_RELEASE(nsWidgetFactory)
nsresult nsWidgetFactory::CreateInstance(nsISupports *aOuter,
const nsIID &aIID,
void **aResult)
{
if (aResult == NULL) {
return NS_ERROR_NULL_POINTER;
}
*aResult = NULL;
if (nsnull != aOuter && !aIID.Equals(kISupportsIID)) {
// aggregation with IID != nsISupports
return NS_ERROR_ILLEGAL_VALUE;
}
nsWindow *inst = nsnull;
if (aIID.Equals(kCWindow))
{
inst = new nsWindow();
}
else if (aIID.Equals(kIWidget))
{
inst = new nsWindow();
}
else if (mClassID.Equals(kCAppShellCID))
{
nsAppShell *appInst = new nsAppShell();
if (appInst == NULL)
{
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult res = appInst->QueryInterface(aIID, aResult);
if (res != NS_OK)
{
delete appInst;
}
return res;
}
else if ( mClassID.Equals(kCButtonCID)) {
inst = new nsButton();
}
else if (aIID.Equals(kIWidget)) {
inst = new nsWindow();
}
else if (mClassID.Equals(kCChild)) {
inst = new ChildWindow();
}
else if ( mClassID.Equals(kCRadioButtonCID )) {
inst = new nsRadioButton();
}
else if ( mClassID.Equals(kCCheckButtonCID)) {
inst = new nsCheckButton();
}
else if (mClassID.Equals(kCTextWidgetCID)) {
inst = new nsTextWidget();
}
else if (mClassID.Equals(kCFileWidgetCID)) {
inst = new nsFileWidget();
}
#ifdef NOTNOW
else if (mClassID.Equals(kCVertScrollbarCID)) {
inst = new nsScrollbar(, PR_TRUE);
}
else if (mClassID.Equals(kCHorzScrollbarCID)) {
inst = new nsScrollbar(, PR_FALSE);
}
else if (aIID.Equals(kIScrollbar)) {
inst = nsnull;
fprintf(stderr, "------ NOT CreatingkIScrollbar Scrollbar\n");
}
else if (mClassID.Equals(kCTextAreaWidgetCID)) {
inst = new nsTextAreaWidget();
}
else if (mClassID.Equals(kCListBoxCID)) {
inst = new nsListBox();
}
else if (mClassID.Equals(kCComboBoxCID)) {
inst = new nsComboBox();
}
else if (mClassID.Equals(kCLookAndFeelCID)) {
nsLookAndFeel *laf = new nsLookAndFeel();
if (laf == NULL) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult res = laf->QueryInterface(aIID, aResult);
if (res != NS_OK) {
delete laf;
}
return res;
}
else if (mClassID.Equals(kCAppShellCID)) {
nsAppShell *appInst = new nsAppShell();
if (appInst == NULL) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult res = appInst->QueryInterface(aIID, aResult);
if (res != NS_OK) {
delete appInst;
}
return res;
}
#endif
if (inst == NULL) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult res = inst->QueryInterface(aIID, aResult);
if (res != NS_OK) {
delete inst;
}
return res;
}
nsresult nsWidgetFactory::LockFactory(PRBool aLock)
{
// Not implemented in simplest case.
return NS_OK;
}
// return the proper factory to the caller
#ifdef MACSTATIC
extern "C" NS_WIDGET nsresult NSGetFactory_WIDGET_DLL(const nsCID &aClass, nsIFactory **aFactory)
#else
extern "C" NS_WIDGET nsresult NSGetFactory(const nsCID &aClass, nsIFactory **aFactory)
#endif
{
if (nsnull == aFactory) {
return NS_ERROR_NULL_POINTER;
}
*aFactory = new nsWidgetFactory(aClass);
if (nsnull == aFactory) {
return NS_ERROR_OUT_OF_MEMORY;
}
return (*aFactory)->QueryInterface(kIFactoryIID, (void**)aFactory);
}