8a65cf3329
preloader strategy. r=jag, sr=attinasi. git-svn-id: svn://10.0.0.236/trunk@91976 18797224-902f-48f8-a5cc-f745e15eee43
267 lines
7.6 KiB
C++
267 lines
7.6 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 Netscape 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/NPL/
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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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsIFactory.h"
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#include "nsISupports.h"
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#include "nsdefs.h"
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#include "nsWidgetsCID.h"
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#include "nsFilePicker.h"
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#include "nsFileWidget.h"
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#include "nsFileSpecWithUIImpl.h"
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#include "nsLookAndFeel.h"
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#include "nsScrollbar.h"
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#include "nsToolkit.h"
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#include "nsWindow.h"
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#include "nsAppShell.h"
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#include "nsIServiceManager.h"
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#include "nsFontRetrieverService.h"
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#include "nsSound.h"
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#ifdef IBMBIDI
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#include "nsBidiKeyboard.h"
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#endif
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#include "nsWindowsTimer.h"
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#include "nsTimerManager.h"
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// Drag & Drop, Clipboard
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#include "nsClipboard.h"
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#include "nsTransferable.h"
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#include "nsHTMLFormatConverter.h"
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#include "nsDragService.h"
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static NS_DEFINE_IID(kCWindow, NS_WINDOW_CID);
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static NS_DEFINE_IID(kCChild, NS_CHILD_CID);
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static NS_DEFINE_IID(kCFileOpen, NS_FILEWIDGET_CID);
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static NS_DEFINE_IID(kCFilePicker, NS_FILEPICKER_CID);
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static NS_DEFINE_IID(kCHorzScrollbar, NS_HORZSCROLLBAR_CID);
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static NS_DEFINE_IID(kCVertScrollbar, NS_VERTSCROLLBAR_CID);
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static NS_DEFINE_IID(kCAppShell, NS_APPSHELL_CID);
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static NS_DEFINE_IID(kCToolkit, NS_TOOLKIT_CID);
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static NS_DEFINE_IID(kCLookAndFeel, NS_LOOKANDFEEL_CID);
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static NS_DEFINE_IID(kCFontRetrieverService, NS_FONTRETRIEVERSERVICE_CID);
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static NS_DEFINE_IID(kCTimer, NS_TIMER_CID);
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static NS_DEFINE_IID(kCTimerManager, NS_TIMERMANAGER_CID);
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// Drag & Drop, Clipboard
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static NS_DEFINE_IID(kCDataObj, NS_DATAOBJ_CID);
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static NS_DEFINE_IID(kCClipboard, NS_CLIPBOARD_CID);
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static NS_DEFINE_IID(kCTransferable, NS_TRANSFERABLE_CID);
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static NS_DEFINE_IID(kCHTMLFormatConverter, NS_HTMLFORMATCONVERTER_CID);
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static NS_DEFINE_IID(kCDragService, NS_DRAGSERVICE_CID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
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// Sound services (just Beep for now)
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static NS_DEFINE_CID(kCSound, NS_SOUND_CID);
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static NS_DEFINE_CID(kCFileSpecWithUI, NS_FILESPECWITHUI_CID);
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#ifdef IBMBIDI
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static NS_DEFINE_IID(kCBidiKeyboard, NS_BIDIKEYBOARD_CID);
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#endif
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class nsWidgetFactory : public nsIFactory
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{
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public:
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// nsISupports methods
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NS_DECL_ISUPPORTS
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// nsIFactory methods
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NS_IMETHOD CreateInstance(nsISupports *aOuter,
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const nsIID &aIID,
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void **aResult);
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NS_IMETHOD LockFactory(PRBool aLock);
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nsWidgetFactory(const nsCID &aClass);
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~nsWidgetFactory();
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private:
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nsCID mClassID;
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};
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NS_IMPL_ADDREF(nsWidgetFactory)
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NS_IMPL_RELEASE(nsWidgetFactory)
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nsWidgetFactory::nsWidgetFactory(const nsCID &aClass)
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{
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NS_INIT_REFCNT();
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mClassID = aClass;
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}
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nsWidgetFactory::~nsWidgetFactory()
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{
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}
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nsresult nsWidgetFactory::QueryInterface(const nsIID &aIID,
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void **aResult)
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{
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if (aResult == 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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*aResult = NULL;
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if (aIID.Equals(kISupportsIID)) {
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*aResult = (void *)(nsISupports*)this;
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} else if (aIID.Equals(kIFactoryIID)) {
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*aResult = (void *)(nsIFactory*)this;
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}
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if (*aResult == NULL) {
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return NS_NOINTERFACE;
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}
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NS_ADDREF_THIS(); // Increase reference count for caller
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return NS_OK;
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}
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nsresult nsWidgetFactory::CreateInstance( nsISupports* aOuter,
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const nsIID &aIID,
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void **aResult)
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{
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if (aResult == NULL) {
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return NS_ERROR_NULL_POINTER;
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}
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*aResult = NULL;
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if (nsnull != aOuter) {
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return NS_ERROR_NO_AGGREGATION;
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}
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nsISupports *inst = nsnull;
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if (mClassID.Equals(kCWindow)) {
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inst = (nsISupports*)(nsBaseWidget*)new nsWindow();
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}
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else if (mClassID.Equals(kCChild)) {
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inst = (nsISupports*)(nsBaseWidget*)new ChildWindow();
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}
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else if (mClassID.Equals(kCFileOpen)) {
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inst = (nsISupports*)new nsFileWidget();
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}
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else if (mClassID.Equals(kCFilePicker)) {
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inst = (nsISupports*)(nsBaseFilePicker*)new nsFilePicker();
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}
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else if (mClassID.Equals(kCHorzScrollbar)) {
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inst = (nsISupports*)(nsBaseWidget*)(nsWindow*)new nsScrollbar(PR_FALSE);
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}
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else if (mClassID.Equals(kCVertScrollbar)) {
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inst = (nsISupports*)(nsBaseWidget*)(nsWindow*)new nsScrollbar(PR_TRUE);
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}
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else if (mClassID.Equals(kCAppShell)) {
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inst = (nsISupports*)new nsAppShell();
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}
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else if (mClassID.Equals(kCToolkit)) {
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inst = (nsISupports*)new nsToolkit();
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}
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else if (mClassID.Equals(kCLookAndFeel)) {
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inst = (nsISupports*)new nsLookAndFeel();
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}
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else if (mClassID.Equals(kCSound)) {
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inst = (nsISupports*)(nsISound*)new nsSound();
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}
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else if (mClassID.Equals(kCFileSpecWithUI)) {
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inst = (nsISupports*) (nsIFileSpecWithUI *) new nsFileSpecWithUIImpl;
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}
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else if (mClassID.Equals(kCTransferable)) {
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inst = (nsISupports*)new nsTransferable();
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}
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else if (mClassID.Equals(kCHTMLFormatConverter)) {
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inst = (nsISupports*)new nsHTMLFormatConverter();
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}
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else if (mClassID.Equals(kCClipboard)) {
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inst = (nsISupports*)(nsBaseClipboard *)new nsClipboard();
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}
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else if (mClassID.Equals(kCDragService)) {
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inst = (nsISupports*)(nsIDragService *)new nsDragService();
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}
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else if (mClassID.Equals(kCFontRetrieverService)) {
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inst = (nsISupports*)(nsIFontRetrieverService *)new nsFontRetrieverService();
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}
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else if (mClassID.Equals(kCTimer)) {
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inst = (nsISupports*)(nsITimer*) new nsTimer();
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}
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else if (mClassID.Equals(kCTimerManager)) {
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inst = (nsISupports*)(nsITimerQueue*) new nsTimerManager();
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}
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#ifdef IBMBIDI
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else if (mClassID.Equals(kCBidiKeyboard)) {
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inst = (nsISupports*)(nsIBidiKeyboard*) new nsBidiKeyboard();
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}
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#endif // IBMBIDI
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if (inst == NULL) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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NS_ADDREF(inst); // Stabilize
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nsresult res = inst->QueryInterface(aIID, aResult);
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NS_RELEASE(inst); // Destabilize and avoid leaks. Avoid calling delete <interface pointer>
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return res;
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}
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nsresult nsWidgetFactory::LockFactory(PRBool aLock)
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{
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// Not implemented in simplest case.
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return NS_OK;
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}
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// return the proper factory to the caller
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extern "C" NS_WIDGET nsresult
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NSGetFactory(nsISupports* serviceMgr,
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const nsCID &aClass,
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const char *aClassName,
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const char *aContractID,
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nsIFactory **aFactory)
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{
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if (nsnull == aFactory) {
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return NS_ERROR_NULL_POINTER;
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}
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*aFactory = new nsWidgetFactory(aClass);
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if (nsnull == aFactory) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return (*aFactory)->QueryInterface(kIFactoryIID, (void**)aFactory);
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}
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