mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/webshell/tests/viewer/nsXPBaseWindow.cpp

930 строки
24 KiB
C++
Исходник Ответственный История

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
#include "nsCOMPtr.h"
#include "nsIPref.h"
#include "prmem.h"
#ifdef XP_MAC
#include "nsXPBaseWindow.h"
#define NS_IMPL_IDS
#else
#define NS_IMPL_IDS
#include "nsXPBaseWindow.h"
#endif
#ifdef NECKO
#else
#include "nsINetSupport.h"
#endif
#include "nsIAppShell.h"
#include "nsIWidget.h"
#include "nsIDOMDocument.h"
#include "nsIURL.h"
#include "nsIComponentManager.h"
#include "nsIFactory.h"
#include "nsCRT.h"
#include "nsWidgetsCID.h"
#include "nsViewerApp.h"
#include "nsIDocument.h"
#include "nsIPresContext.h"
#include "nsIDocumentViewer.h"
#include "nsIContentViewer.h"
#include "nsIPresShell.h"
#include "nsIDocument.h"
#include "nsHTMLContentSinkStream.h"
#include "nsIDocument.h"
#include "nsIDOMEventReceiver.h"
#include "nsIDOMElement.h"
#include "nsIDOMHTMLDocument.h"
#include "nsIWindowListener.h"
#if defined(WIN32)
#include <strstrea.h>
#else
#include <strstream.h>
#endif
#include <ctype.h> // tolower
// XXX For font setting below
#include "nsFont.h"
//#include "nsUnitConversion.h"
//#include "nsIDeviceContext.h"
static NS_DEFINE_IID(kXPBaseWindowCID, NS_XPBASE_WINDOW_CID);
static NS_DEFINE_IID(kWebShellCID, NS_WEB_SHELL_CID);
static NS_DEFINE_IID(kWindowCID, NS_WINDOW_CID);
static NS_DEFINE_IID(kIXPBaseWindowIID, NS_IXPBASE_WINDOW_IID);
static NS_DEFINE_IID(kIStreamObserverIID, NS_ISTREAMOBSERVER_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDOMDocumentIID, NS_IDOMDOCUMENT_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
static NS_DEFINE_IID(kIWebShellContainerIID, NS_IWEB_SHELL_CONTAINER_IID);
static NS_DEFINE_IID(kIDocumentViewerIID, NS_IDOCUMENT_VIEWER_IID);
static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
static NS_DEFINE_IID(kIDOMMouseListenerIID, NS_IDOMMOUSELISTENER_IID);
static NS_DEFINE_IID(kIDOMEventReceiverIID, NS_IDOMEVENTRECEIVER_IID);
static NS_DEFINE_IID(kIDOMElementIID, NS_IDOMELEMENT_IID);
static NS_DEFINE_IID(kIDOMHTMLDocumentIID, NS_IDOMHTMLDOCUMENT_IID);
#ifdef NECKO
#else
static NS_DEFINE_IID(kINetSupportIID, NS_INETSUPPORT_IID);
#endif
//----------------------------------------------------------------------
nsXPBaseWindow::nsXPBaseWindow() :
mContentRoot(nsnull),
mWindowListener(nsnull),
mDocIsLoaded(PR_FALSE),
mAppShell(nsnull),
mPrefs(nsnull)
{
}
//----------------------------------------------------------------------
nsXPBaseWindow::~nsXPBaseWindow()
{
NS_IF_RELEASE(mContentRoot);
NS_IF_RELEASE(mPrefs);
NS_IF_RELEASE(mAppShell);
}
//----------------------------------------------------------------------
NS_IMPL_ADDREF(nsXPBaseWindow)
NS_IMPL_RELEASE(nsXPBaseWindow)
//----------------------------------------------------------------------
nsresult nsXPBaseWindow::QueryInterface(const nsIID& aIID,
void** aInstancePtrResult)
{
NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
if (nsnull == aInstancePtrResult) {
return NS_ERROR_NULL_POINTER;
}
*aInstancePtrResult = NULL;
if (aIID.Equals(kIXPBaseWindowIID)) {
*aInstancePtrResult = (void*) ((nsIXPBaseWindow*)this);
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kIStreamObserverIID)) {
*aInstancePtrResult = (void*) ((nsIStreamObserver*)this);
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kIWebShellContainerIID)) {
*aInstancePtrResult = (void*) ((nsIWebShellContainer*)this);
NS_ADDREF_THIS();
return NS_OK;
}
#ifdef NECKO
#else
if (aIID.Equals(kINetSupportIID)) {
*aInstancePtrResult = (void*) ((nsINetSupport*)this);
NS_ADDREF_THIS();
return NS_OK;
}
#endif
if (aIID.Equals(kIDOMMouseListenerIID)) {
NS_ADDREF_THIS(); // Increase reference count for caller
*aInstancePtrResult = (void *)((nsIDOMMouseListener*)this);
return NS_OK;
}
if (aIID.Equals(kISupportsIID)) {
NS_ADDREF_THIS();
*aInstancePtrResult = (void*) ((nsISupports*)((nsIXPBaseWindow*)this));
return NS_OK;
}
return NS_NOINTERFACE;
}
//----------------------------------------------------------------------
static nsEventStatus PR_CALLBACK
HandleXPDialogEvent(nsGUIEvent *aEvent)
{
nsEventStatus result = nsEventStatus_eIgnore;
nsXPBaseWindow* baseWin;
aEvent->widget->GetClientData(((void*&)baseWin));
if (nsnull != baseWin) {
nsSizeEvent* sizeEvent;
switch(aEvent->message) {
case NS_SIZE:
sizeEvent = (nsSizeEvent*)aEvent;
baseWin->Layout(sizeEvent->windowSize->width,
sizeEvent->windowSize->height);
result = nsEventStatus_eConsumeNoDefault;
break;
case NS_DESTROY: {
//nsViewerApp* app = baseWin->mApp;
result = nsEventStatus_eConsumeDoDefault;
baseWin->Close();
NS_RELEASE(baseWin);
}
return result;
default:
break;
}
//NS_RELEASE(baseWin);
}
return result;
}
//----------------------------------------------------------------------
nsresult nsXPBaseWindow::Init(nsXPBaseWindowType aType,
nsIAppShell* aAppShell,
nsIPref* aPrefs,
const nsString& aDialogURL,
const nsString& aTitle,
const nsRect& aBounds,
PRUint32 aChromeMask,
PRBool aAllowPlugins)
{
mAllowPlugins = aAllowPlugins;
mWindowType = aType;
mAppShell = aAppShell;
NS_IF_ADDREF(mAppShell);
mPrefs = aPrefs;
NS_IF_ADDREF(mPrefs);
// Create top level window
nsresult rv;
rv = nsComponentManager::CreateInstance(kWindowCID, nsnull, kIWidgetIID,
(void**)&mWindow);
if (NS_OK != rv) {
return rv;
}
mWindow->SetClientData(this);
nsWidgetInitData initData;
initData.mBorderStyle = eBorderStyle_window;
nsRect r(0, 0, aBounds.width, aBounds.height);
mWindow->Create((nsIWidget*)NULL, r, HandleXPDialogEvent,
nsnull, aAppShell, nsnull, &initData);
mWindow->GetBounds(r);
// Create web shell
rv = nsComponentManager::CreateInstance(kWebShellCID, nsnull,
kIWebShellIID,
(void**)&mWebShell);
if (NS_OK != rv) {
return rv;
}
r.x = r.y = 0;
rv = mWebShell->Init(mWindow->GetNativeData(NS_NATIVE_WIDGET),
r.x, r.y, r.width, r.height,
nsScrollPreference_kNeverScroll, //nsScrollPreference_kAuto,
aAllowPlugins, PR_FALSE);
mWebShell->SetContainer((nsIWebShellContainer*) this);
mWebShell->SetObserver((nsIStreamObserver*)this);
mWebShell->SetPrefs(aPrefs);
mWebShell->Show();
// Now lay it all out
Layout(r.width, r.height);
// Load URL to Load GUI
mDialogURL = aDialogURL;
LoadURL(mDialogURL);
SetTitle(aTitle.GetUnicode());
return NS_OK;
}
//----------------------------------------------------------------------
void nsXPBaseWindow::ForceRefresh()
{
nsIPresShell* shell;
GetPresShell(shell);
if (nsnull != shell) {
nsCOMPtr<nsIViewManager> vm;
shell->GetViewManager(getter_AddRefs(vm));
if (vm) {
nsIView* root;
vm->GetRootView(root);
if (nsnull != root) {
vm->UpdateView(root, (nsIRegion*)nsnull, NS_VMREFRESH_IMMEDIATE |
NS_VMREFRESH_AUTO_DOUBLE_BUFFER);
}
}
NS_RELEASE(shell);
}
}
//----------------------------------------------------------------------
void nsXPBaseWindow::Layout(PRInt32 aWidth, PRInt32 aHeight)
{
nsRect rr(0, 0, aWidth, aHeight);
mWebShell->SetBounds(rr.x, rr.y, rr.width, rr.height);
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::SetLocation(PRInt32 aX, PRInt32 aY)
{
NS_PRECONDITION(nsnull != mWindow, "null window");
mWindow->Move(aX, aY);
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::SetDimensions(PRInt32 aWidth, PRInt32 aHeight)
{
NS_PRECONDITION(nsnull != mWindow, "null window");
// XXX We want to do this in one shot
mWindow->Resize(aWidth, aHeight, PR_FALSE);
Layout(aWidth, aHeight);
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::GetBounds(nsRect& aBounds)
{
mWindow->GetBounds(aBounds);
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP
nsXPBaseWindow::GetWindowBounds(nsRect& aBounds)
{
//XXX This needs to be non-client bounds when it exists.
mWindow->GetBounds(aBounds);
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::SetVisible(PRBool aIsVisible)
{
NS_PRECONDITION(nsnull != mWindow, "null window");
mWindow->Show(aIsVisible);
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::Close()
{
if (nsnull != mWindowListener) {
mWindowListener->Destroy(this);
}
if (nsnull != mWebShell) {
mWebShell->Destroy();
NS_RELEASE(mWebShell);
}
if (nsnull != mWindow) {
nsIWidget* w = mWindow;
NS_RELEASE(w);
}
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::GetWebShell(nsIWebShell*& aResult)
{
aResult = mWebShell;
NS_IF_ADDREF(mWebShell);
return NS_OK;
}
//---------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::SetTitle(const PRUnichar* aTitle)
{
NS_PRECONDITION(nsnull != mWindow, "null window");
mTitle = aTitle;
nsAutoString newTitle(aTitle);
mWindow->SetTitle(newTitle.GetUnicode());
return NS_OK;
}
//---------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::GetTitle(const PRUnichar** aResult)
{
*aResult = mTitle.GetUnicode();
return NS_OK;
}
//---------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::LoadURL(const nsString& aURL)
{
mWebShell->LoadURL(aURL.GetUnicode());
return NS_OK;
}
//---------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::WillLoadURL(nsIWebShell* aShell, const PRUnichar* aURL, nsLoadType aReason)
{
return NS_OK;
}
//-----------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::BeginLoadURL(nsIWebShell* aShell, const PRUnichar* aURL)
{
return NS_OK;
}
//-----------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::ProgressLoadURL(nsIWebShell* aShell, const PRUnichar* aURL, PRInt32 aProgress, PRInt32 aProgressMax)
{
return NS_OK;
}
//-----------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::EndLoadURL(nsIWebShell* aShell, const PRUnichar* aURL, PRInt32 aStatus)
{
// Find the Root Conent Node for this Window
nsIPresShell* shell;
GetPresShell(shell);
if (nsnull != shell) {
nsCOMPtr<nsIDocument> doc;
shell->GetDocument(getter_AddRefs(doc));
if (doc) {
mContentRoot = doc->GetRootContent();
mDocIsLoaded = PR_TRUE;
if (nsnull != mWindowListener) {
mWindowListener->Initialize(this);
}
}
NS_RELEASE(shell);
}
return NS_OK;
}
//-----------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::FindWebShellWithName(const PRUnichar* aName, nsIWebShell*& aResult)
{
aResult = nsnull;
nsString aNameStr(aName);
nsIWebShell *ws;
if (NS_OK == GetWebShell(ws)) {
const PRUnichar *name;
if (NS_OK == ws->GetName(&name)) {
if (aNameStr.Equals(name)) {
aResult = ws;
NS_ADDREF(aResult);
return NS_OK;
}
}
}
if (NS_OK == ws->FindChildWithName(aName, aResult)) {
if (nsnull != aResult) {
return NS_OK;
}
}
return NS_OK;
}
NS_IMETHODIMP nsXPBaseWindow::FocusAvailable(nsIWebShell* aFocusedWebShell, PRBool& aFocusTaken)
{
return NS_OK;
}
//-----------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::AddEventListener(nsIDOMNode * aNode)
{
nsIDOMEventReceiver * receiver;
NS_PRECONDITION(nsnull != aNode, "adding event listener to null node");
if (NS_OK == aNode->QueryInterface(kIDOMEventReceiverIID, (void**) &receiver)) {
receiver->AddEventListenerByIID((nsIDOMMouseListener*)this, kIDOMMouseListenerIID);
NS_RELEASE(receiver);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
//-----------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::RemoveEventListener(nsIDOMNode * aNode)
{
nsIDOMEventReceiver * receiver;
NS_PRECONDITION(nsnull != aNode, "removing event listener from null node");
if (NS_OK == aNode->QueryInterface(kIDOMEventReceiverIID, (void**) &receiver)) {
receiver->RemoveEventListenerByIID(this, kIDOMMouseListenerIID);
NS_RELEASE(receiver);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
//-----------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::AddWindowListener(nsIWindowListener * aWindowListener)
{
if (nsnull != mWindowListener) {
return NS_ERROR_FAILURE;
}
mWindowListener = aWindowListener;
if (mDocIsLoaded && nsnull != mWindowListener) {
mWindowListener->Initialize(this);
}
return NS_OK;
}
//-----------------------------------------------------
// Get the HTML Document
NS_IMETHODIMP nsXPBaseWindow::GetDocument(nsIDOMHTMLDocument *& aDocument)
{
nsIDOMHTMLDocument *htmlDoc = nsnull;
nsIPresShell *shell = nsnull;
GetPresShell(shell);
if (nsnull != shell) {
nsCOMPtr<nsIDocument> doc;
shell->GetDocument(getter_AddRefs(doc));
if (doc) {
doc->QueryInterface(kIDOMHTMLDocumentIID,(void **)&htmlDoc);
}
NS_RELEASE(shell);
}
aDocument = htmlDoc;
return NS_OK;
}
//-----------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::NewWebShell(PRUint32 aChromeMask,
PRBool aVisible,
nsIWebShell*& aNewWebShell)
{
nsresult rv = NS_OK;
// Create new window. By default, the refcnt will be 1 because of
// the registration of the browser window in gBrowsers.
nsXPBaseWindow* dialogWindow;
NS_NEWXPCOM(dialogWindow, nsXPBaseWindow);
if (nsnull != dialogWindow) {
nsRect bounds;
GetBounds(bounds);
rv = dialogWindow->Init(mWindowType, mAppShell, mPrefs, mDialogURL, mTitle, bounds, aChromeMask, mAllowPlugins);
if (NS_OK == rv) {
if (aVisible) {
dialogWindow->SetVisible(PR_TRUE);
}
nsIWebShell *shell;
rv = dialogWindow->GetWebShell(shell);
aNewWebShell = shell;
} else {
dialogWindow->Close();
}
} else {
rv = NS_ERROR_OUT_OF_MEMORY;
}
return rv;
}
NS_IMETHODIMP
nsXPBaseWindow::ContentShellAdded(nsIWebShell* aChildShell, nsIContent* frameNode)
{
return NS_OK;
}
NS_IMETHODIMP
nsXPBaseWindow::CreatePopup(nsIDOMElement* aElement, nsIDOMElement* aPopupContent,
PRInt32 aXPos, PRInt32 aYPos,
const nsString& aPopupType, const nsString& anAnchorAlignment,
const nsString& aPopupAlignment,
nsIDOMWindow* aWindow)
{
return NS_OK;
}
//----------------------------------------
// Stream observer implementation
#ifndef NECKO
NS_IMETHODIMP
nsXPBaseWindow::OnProgress(nsIURI* aURL,
PRUint32 aProgress,
PRUint32 aProgressMax)
{
return NS_OK;
}
//----------------------------------------
NS_IMETHODIMP nsXPBaseWindow::OnStatus(nsIURI* aURL, const PRUnichar* aMsg)
{
return NS_OK;
}
#endif
//----------------------------------------
#ifdef NECKO
NS_IMETHODIMP nsXPBaseWindow::OnStartBinding(nsISupports *ctxt)
#else
NS_IMETHODIMP nsXPBaseWindow::OnStartBinding(nsIURI* aURL, const char *aContentType)
#endif
{
return NS_OK;
}
//----------------------------------------
#ifdef NECKO
NS_IMETHODIMP nsXPBaseWindow::OnStopBinding(nsISupports *ctxt, nsresult status,
const PRUnichar *errorMsg)
#else
NS_IMETHODIMP nsXPBaseWindow::OnStopBinding(nsIURI* aURL, nsresult status, const PRUnichar* aMsg)
#endif
{
return NS_OK;
}
//----------------------------------------
NS_IMETHODIMP_(void) nsXPBaseWindow::Alert(const nsString &aText)
{
char *str;
str = aText.ToNewCString();
printf("%cBrowser Window Alert: %s\n", '\007', str);
delete[] str;
}
//----------------------------------------
NS_IMETHODIMP_(PRBool) nsXPBaseWindow::Confirm(const nsString &aText)
{
char *str;
str = aText.ToNewCString();
printf("%cBrowser Window Confirm: %s (y/n)? \n", '\007', str);
delete[] str;
char c;
for (;;) {
c = getchar();
if (tolower(c) == 'y') {
return PR_TRUE;
}
if (tolower(c) == 'n') {
return PR_FALSE;
}
}
return PR_FALSE;
}
//----------------------------------------
NS_IMETHODIMP_(PRBool) nsXPBaseWindow::Prompt(const nsString &aText,
const nsString &aDefault,
nsString &aResult)
{
char *str;
char buf[256];
str = aText.ToNewCString();
printf("Browser Window: %s\n", str);
delete[] str;
printf("%cPrompt: ", '\007');
scanf("%s", buf);
aResult = buf;
return (aResult.Length() > 0);
}
//----------------------------------------
NS_IMETHODIMP_(PRBool) nsXPBaseWindow::PromptUserAndPassword(const nsString &aText,
nsString &aUser,
nsString &aPassword)
{
char *str;
char buf[256];
str = aText.ToNewCString();
printf("Browser Window: %s\n", str);
delete[] str;
printf("%cUser: ", '\007');
scanf("%s", buf);
aUser = buf;
printf("%cPassword: ", '\007');
scanf("%s", buf);
aPassword = buf;
return (aUser.Length() > 0);
}
//----------------------------------------
NS_IMETHODIMP_(PRBool) nsXPBaseWindow::PromptPassword(const nsString &aText,
nsString &aPassword)
{
char *str;
char buf[256];
str = aText.ToNewCString();
printf("Browser Window: %s\n", str);
delete[] str;
printf("%cPassword: ", '\007');
scanf("%s", buf);
aPassword = buf;
return PR_TRUE;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::GetPresShell(nsIPresShell*& aPresShell)
{
aPresShell = nsnull;
nsIPresShell* shell = nsnull;
if (nsnull != mWebShell) {
nsIContentViewer* cv = nsnull;
mWebShell->GetContentViewer(&cv);
if (nsnull != cv) {
nsIDocumentViewer* docv = nsnull;
cv->QueryInterface(kIDocumentViewerIID, (void**) &docv);
if (nsnull != docv) {
nsIPresContext* cx;
docv->GetPresContext(cx);
if (nsnull != cx) {
cx->GetShell(&shell); // does an add ref
aPresShell = shell;
NS_RELEASE(cx);
}
NS_RELEASE(docv);
}
NS_RELEASE(cv);
}
}
return NS_OK;
}
//-----------------------------------------------------------------
//-- nsIDOMMouseListener
//-----------------------------------------------------------------
//-----------------------------------------------------------------
nsresult nsXPBaseWindow::HandleEvent(nsIDOMEvent* aEvent)
{
return NS_OK;
}
//-----------------------------------------------------------------
nsresult nsXPBaseWindow::MouseUp(nsIDOMEvent* aMouseEvent)
{
return NS_OK;
}
//-----------------------------------------------------------------
nsresult nsXPBaseWindow::MouseDown(nsIDOMEvent* aMouseEvent)
{
return NS_OK;
}
//-----------------------------------------------------------------
nsresult nsXPBaseWindow::MouseClick(nsIDOMEvent* aMouseEvent)
{
if (nsnull != mWindowListener) {
PRBool status;
mWindowListener->MouseClick(aMouseEvent, this, status);
}
return NS_OK;
}
//-----------------------------------------------------------------
nsresult nsXPBaseWindow::MouseDblClick(nsIDOMEvent* aMouseEvent)
{
return NS_OK;
}
//-----------------------------------------------------------------
nsresult nsXPBaseWindow::MouseOver(nsIDOMEvent* aMouseEvent)
{
return NS_OK;
}
//-----------------------------------------------------------------
nsresult nsXPBaseWindow::MouseOut(nsIDOMEvent* aMouseEvent)
{
return NS_OK;
}
//----------------------------------------------------------------------
// Factory code for creating nsXPBaseWindow's
//----------------------------------------------------------------------
class nsXPBaseWindowFactory : public nsIFactory
{
public:
nsXPBaseWindowFactory();
virtual ~nsXPBaseWindowFactory();
// nsISupports methods
NS_IMETHOD QueryInterface(const nsIID &aIID, void **aResult);
NS_IMETHOD_(nsrefcnt) AddRef(void);
NS_IMETHOD_(nsrefcnt) Release(void);
// nsIFactory methods
NS_IMETHOD CreateInstance(nsISupports *aOuter,
const nsIID &aIID,
void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
private:
nsrefcnt mRefCnt;
};
//----------------------------------------------------------------------
nsXPBaseWindowFactory::nsXPBaseWindowFactory()
{
mRefCnt = 0;
}
//----------------------------------------------------------------------
nsXPBaseWindowFactory::~nsXPBaseWindowFactory()
{
NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
}
//----------------------------------------------------------------------
nsresult
nsXPBaseWindowFactory::QueryInterface(const nsIID &aIID, void **aResult)
{
if (aResult == NULL) {
return NS_ERROR_NULL_POINTER;
}
// Always NULL result, in case of failure
*aResult = NULL;
if (aIID.Equals(kISupportsIID)) {
*aResult = (void *)(nsISupports*)this;
} else if (aIID.Equals(kIFactoryIID)) {
*aResult = (void *)(nsIFactory*)this;
}
if (*aResult == NULL) {
return NS_NOINTERFACE;
}
NS_ADDREF_THIS(); // Increase reference count for caller
return NS_OK;
}
//----------------------------------------------------------------------
nsrefcnt
nsXPBaseWindowFactory::AddRef()
{
return ++mRefCnt;
}
//----------------------------------------------------------------------
nsrefcnt
nsXPBaseWindowFactory::Release()
{
if (--mRefCnt == 0) {
delete this;
return 0; // Don't access mRefCnt after deleting!
}
return mRefCnt;
}
//----------------------------------------------------------------------
nsresult
nsXPBaseWindowFactory::CreateInstance(nsISupports *aOuter,
const nsIID &aIID,
void **aResult)
{
nsresult rv;
nsXPBaseWindow *inst;
if (aResult == NULL) {
return NS_ERROR_NULL_POINTER;
}
*aResult = NULL;
if (nsnull != aOuter) {
rv = NS_ERROR_NO_AGGREGATION;
goto done;
}
NS_NEWXPCOM(inst, nsXPBaseWindow);
if (inst == NULL) {
rv = NS_ERROR_OUT_OF_MEMORY;
goto done;
}
NS_ADDREF(inst);
rv = inst->QueryInterface(aIID, aResult);
NS_RELEASE(inst);
done:
return rv;
}
//----------------------------------------------------------------------
nsresult
nsXPBaseWindowFactory::LockFactory(PRBool aLock)
{
// Not implemented in simplest case.
return NS_OK;
}
//----------------------------------------------------------------------
nsresult
NS_NewXPBaseWindowFactory(nsIFactory** aFactory)
{
nsresult rv = NS_OK;
nsXPBaseWindowFactory* inst;
NS_NEWXPCOM(inst, nsXPBaseWindowFactory);
if (nsnull == inst) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
else {
NS_ADDREF(inst);
}
*aFactory = inst;
return rv;
}
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку