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gecko-dev/webshell/tests/viewer/nsBrowserWindow.cpp

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43 KiB
C++
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/* -*- 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.
*/
#ifdef XP_MAC
#include "nsBrowserWindow.h"
#define NS_IMPL_IDS
#else
#define NS_IMPL_IDS
#include "nsBrowserWindow.h"
#endif
#include "nsIStreamListener.h"
#include "nsIAppShell.h"
#include "nsIWidget.h"
#include "nsITextWidget.h"
#include "nsIButton.h"
#include "nsIImageGroup.h"
#include "nsITimer.h"
#include "nsIThrobber.h"
#include "nsIDOMDocument.h"
#include "nsIURL.h"
#include "nsIFileWidget.h"
#include "nsRepository.h"
#include "nsIFactory.h"
#include "nsCRT.h"
#include "nsWidgetsCID.h"
#include "nsViewerApp.h"
#include "prprf.h"
#include "nsRepository.h"
#include "nsParserCIID.h"
#include "nsIDocument.h"
#include "nsIPresContext.h"
#include "nsIDocumentViewer.h"
#include "nsIContentViewer.h"
#include "nsIPresShell.h"
#include "nsIDocument.h"
#include "nsXIFDTD.h"
#include "nsIParser.h"
#include "nsHTMLContentSinkStream.h"
#include "nsEditorMode.h"
#include "resources.h"
#if defined(WIN32)
#include <strstrea.h>
#else
#if defined(XP_MAC)
#include "ostrstream.h"
#else
#include <strstream.h>
#endif
#endif
#if defined(WIN32)
#include <windows.h>
#endif
// XXX For font setting below
#include "nsFont.h"
#include "nsUnitConversion.h"
#include "nsIDeviceContext.h"
// XXX greasy constants
#define THROBBER_WIDTH 32
#define THROBBER_HEIGHT 32
#define BUTTON_WIDTH 90
#define BUTTON_HEIGHT THROBBER_HEIGHT
#ifdef XP_PC
#define STATUS_HEIGHT 24
#else
#define STATUS_HEIGHT 28
#endif
#ifdef INSET_WEBSHELL
#define WEBSHELL_LEFT_INSET 5
#define WEBSHELL_RIGHT_INSET 5
#define WEBSHELL_TOP_INSET 5
#define WEBSHELL_BOTTOM_INSET 5
#else
#define WEBSHELL_LEFT_INSET 0
#define WEBSHELL_RIGHT_INSET 0
#define WEBSHELL_TOP_INSET 0
#define WEBSHELL_BOTTOM_INSET 0
#endif
static NS_DEFINE_IID(kBrowserWindowCID, NS_BROWSER_WINDOW_CID);
static NS_DEFINE_IID(kButtonCID, NS_BUTTON_CID);
static NS_DEFINE_IID(kFileWidgetCID, NS_FILEWIDGET_CID);
static NS_DEFINE_IID(kTextFieldCID, NS_TEXTFIELD_CID);
static NS_DEFINE_IID(kThrobberCID, NS_THROBBER_CID);
static NS_DEFINE_IID(kWebShellCID, NS_WEB_SHELL_CID);
static NS_DEFINE_IID(kWindowCID, NS_WINDOW_CID);
static NS_DEFINE_IID(kIBrowserWindowIID, NS_IBROWSER_WINDOW_IID);
static NS_DEFINE_IID(kIButtonIID, NS_IBUTTON_IID);
static NS_DEFINE_IID(kIDOMDocumentIID, NS_IDOMDOCUMENT_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
static NS_DEFINE_IID(kIFileWidgetIID, NS_IFILEWIDGET_IID);
static NS_DEFINE_IID(kIStreamObserverIID, NS_ISTREAMOBSERVER_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
static NS_DEFINE_IID(kIThrobberIID, NS_ITHROBBER_IID);
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
static NS_DEFINE_IID(kIWebShellContainerIID, NS_IWEB_SHELL_CONTAINER_IID);
static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
static const char* gsAOLFormat = "AOLMAIL";
static const char* gsHTMLFormat = "text/html";
//----------------------------------------------------------------------
nsVoidArray nsBrowserWindow::gBrowsers;
nsBrowserWindow*
nsBrowserWindow::FindBrowserFor(nsIWidget* aWidget, PRIntn aWhich)
{
nsIWidget* widget;
nsBrowserWindow* result = nsnull;
PRInt32 i, n = gBrowsers.Count();
for (i = 0; i < n; i++) {
nsBrowserWindow* bw = (nsBrowserWindow*) gBrowsers.ElementAt(i);
if (nsnull != bw) {
switch (aWhich) {
case FIND_WINDOW:
bw->mWindow->QueryInterface(kIWidgetIID, (void**) &widget);
if (widget == aWidget) {
result = bw;
}
NS_IF_RELEASE(widget);
break;
case FIND_BACK:
if (bw->mBack) {
bw->mBack->QueryInterface(kIWidgetIID, (void**) &widget);
if (widget == aWidget) {
result = bw;
}
NS_IF_RELEASE(widget);
}
break;
case FIND_FORWARD:
if (bw->mForward) {
bw->mForward->QueryInterface(kIWidgetIID, (void**) &widget);
if (widget == aWidget) {
result = bw;
}
NS_IF_RELEASE(widget);
}
break;
case FIND_LOCATION:
if (bw->mLocation) {
bw->mLocation->QueryInterface(kIWidgetIID, (void**) &widget);
if (widget == aWidget) {
result = bw;
}
NS_IF_RELEASE(widget);
}
break;
}
}
}
return result;
}
void
nsBrowserWindow::AddBrowser(nsBrowserWindow* aBrowser)
{
gBrowsers.AppendElement(aBrowser);
}
void
nsBrowserWindow::RemoveBrowser(nsBrowserWindow* aBrowser)
{
gBrowsers.RemoveElement(aBrowser);
if (0 == gBrowsers.Count()) {
aBrowser->mApp->Exit();
}
}
static nsEventStatus PR_CALLBACK
HandleBrowserEvent(nsGUIEvent *aEvent)
{
nsBrowserWindow* bw =
nsBrowserWindow::FindBrowserFor(aEvent->widget, FIND_WINDOW);
if (nsnull == bw) {
return nsEventStatus_eIgnore;
}
nsSizeEvent* sizeEvent;
nsEventStatus result = nsEventStatus_eIgnore;
switch(aEvent->message) {
case NS_SIZE:
sizeEvent = (nsSizeEvent*)aEvent;
bw->Layout(sizeEvent->windowSize->width,
sizeEvent->windowSize->height);
return nsEventStatus_eConsumeNoDefault;
case NS_DESTROY:
bw->Destroy();
NS_RELEASE(bw);
return nsEventStatus_eConsumeDoDefault;
case NS_MENU_SELECTED:
return bw->DispatchMenuItem(((nsMenuEvent*)aEvent)->menuItem);
default:
break;
}
return nsEventStatus_eIgnore;
}
static nsEventStatus PR_CALLBACK
HandleBackEvent(nsGUIEvent *aEvent)
{
nsBrowserWindow* bw =
nsBrowserWindow::FindBrowserFor(aEvent->widget, FIND_BACK);
if (nsnull == bw) {
return nsEventStatus_eIgnore;
}
switch(aEvent->message) {
case NS_MOUSE_LEFT_BUTTON_UP:
bw->Back();
break;
}
return nsEventStatus_eIgnore;
}
static nsEventStatus PR_CALLBACK
HandleForwardEvent(nsGUIEvent *aEvent)
{
nsBrowserWindow* bw =
nsBrowserWindow::FindBrowserFor(aEvent->widget, FIND_FORWARD);
if (nsnull == bw) {
return nsEventStatus_eIgnore;
}
switch(aEvent->message) {
case NS_MOUSE_LEFT_BUTTON_UP:
bw->Forward();
break;
}
return nsEventStatus_eIgnore;
}
static nsEventStatus PR_CALLBACK
HandleLocationEvent(nsGUIEvent *aEvent)
{
nsBrowserWindow* bw =
nsBrowserWindow::FindBrowserFor(aEvent->widget, FIND_LOCATION);
if (nsnull == bw) {
return nsEventStatus_eIgnore;
}
switch (aEvent->message) {
case NS_KEY_UP:
if (NS_VK_RETURN == ((nsKeyEvent*)aEvent)->keyCode) {
nsAutoString text;
bw->mLocation->GetText(text, 1000);
bw->GoTo(text);
}
break;
default:
break;
}
return nsEventStatus_eIgnore;
}
nsEventStatus
nsBrowserWindow::DispatchMenuItem(PRInt32 aID)
{
#ifdef NS_DEBUG
nsEventStatus result = DispatchDebugMenu(aID);
if (nsEventStatus_eIgnore != result) {
return result;
}
#endif
switch (aID) {
case VIEWER_EXIT:
mApp->Exit();
return nsEventStatus_eConsumeNoDefault;
case VIEWER_FILE_OPEN:
DoFileOpen();
break;
case VIEWER_EDIT_COPY:
DoCopy();
break;
case VIEWER_EDIT_SELECTALL:
DoSelectAll();
break;
case VIEWER_DEMO0:
case VIEWER_DEMO1:
case VIEWER_DEMO2:
case VIEWER_DEMO3:
case VIEWER_DEMO4:
case VIEWER_DEMO5:
case VIEWER_DEMO6:
case VIEWER_DEMO7:
case VIEWER_DEMO8:
case VIEWER_DEMO9:
{
PRIntn ix = aID - VIEWER_DEMO0;
nsAutoString url(SAMPLES_BASE_URL);
url.Append("/test");
url.Append(ix, 10);
url.Append(".html");
LoadURL(url);
}
break;
case JS_CONSOLE:
DoJSConsole();
break;
case EDITOR_MODE:
DoEditorMode(mWebShell);
break;
}
return nsEventStatus_eIgnore;
}
void
nsBrowserWindow::Destroy()
{
RemoveBrowser(this);
if (nsnull != mWebShell) {
mWebShell->Destroy();
NS_RELEASE(mWebShell);
}
NS_IF_RELEASE(mWindow);
NS_IF_RELEASE(mBack);
NS_IF_RELEASE(mForward);
NS_IF_RELEASE(mLocation);
NS_IF_RELEASE(mThrobber);
NS_IF_RELEASE(mStatus);
}
void
nsBrowserWindow::Back()
{
mWebShell->Back();
}
void
nsBrowserWindow::Forward()
{
mWebShell->Forward();
}
void
nsBrowserWindow::GoTo(const PRUnichar* aURL)
{
mWebShell->LoadURL(aURL, nsnull);
}
#define FILE_PROTOCOL "file://"
static PRBool GetFileNameFromFileSelector(nsIWidget* aParentWindow,
nsString* aFileName)
{
PRBool selectedFileName = PR_FALSE;
nsIFileWidget *fileWidget;
nsString title("Open HTML");
nsresult rv = NSRepository::CreateInstance(kFileWidgetCID,
nsnull,
kIFileWidgetIID,
(void**)&fileWidget);
if (NS_OK == rv) {
nsString titles[] = {"all files","html" };
nsString filters[] = {"*.*", "*.html"};
fileWidget->SetFilterList(2, titles, filters);
fileWidget->Create(aParentWindow,
title,
eMode_load,
nsnull,
nsnull);
PRUint32 result = fileWidget->Show();
if (result) {
fileWidget->GetFile(*aFileName);
selectedFileName = PR_TRUE;
}
NS_RELEASE(fileWidget);
}
return selectedFileName;
}
void
nsBrowserWindow::DoFileOpen()
{
nsAutoString fileName;
char szFile[1000];
if (GetFileNameFromFileSelector(mWindow, &fileName)) {
fileName.ToCString(szFile, sizeof(szFile));
PRInt32 len = strlen(szFile);
PRInt32 sum = len + sizeof(FILE_PROTOCOL);
char* lpszFileURL = new char[sum];
// Translate '\' to '/'
for (PRInt32 i = 0; i < len; i++) {
if (szFile[i] == '\\') {
szFile[i] = '/';
}
}
// Build the file URL
PR_snprintf(lpszFileURL, sum, "%s%s", FILE_PROTOCOL, szFile);
// Ask the Web widget to load the file URL
LoadURL(nsString(lpszFileURL));
delete lpszFileURL;
}
}
void
nsBrowserWindow::DoSelectAll()
{
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIDocument* doc = shell->GetDocument();
if (nsnull != doc) {
doc->SelectAll();
ForceRefresh();
NS_RELEASE(doc);
}
NS_RELEASE(shell);
}
}
void
nsBrowserWindow::ForceRefresh()
{
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIViewManager* vm = shell->GetViewManager();
if (nsnull != vm) {
nsIView* root = vm->GetRootView();
if (nsnull != root) {
vm->UpdateView(root, (nsIRegion*)nsnull, NS_VMREFRESH_IMMEDIATE);
}
NS_RELEASE(vm);
}
NS_RELEASE(shell);
}
}
//----------------------------------------------------------------------
// Note: operator new zeros our memory
nsBrowserWindow::nsBrowserWindow()
{
AddBrowser(this);
}
nsBrowserWindow::~nsBrowserWindow()
{
}
NS_IMPL_ADDREF(nsBrowserWindow)
NS_IMPL_RELEASE(nsBrowserWindow)
nsresult
nsBrowserWindow::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(kIBrowserWindowIID)) {
*aInstancePtrResult = (void*) ((nsIBrowserWindow*)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(kIStreamObserverIID)) {
*aInstancePtrResult = (void*) ((nsIStreamObserver*)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(kIWebShellContainerIID)) {
*aInstancePtrResult = (void*) ((nsIWebShellContainer*)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(kINetSupportIID)) {
*aInstancePtrResult = (void*) ((nsINetSupport*)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(kISupportsIID)) {
*aInstancePtrResult = (void*) ((nsISupports*)((nsIBrowserWindow*)this));
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
nsresult
nsBrowserWindow::Init(nsIAppShell* aAppShell,
nsIPref* aPrefs,
const nsRect& aBounds,
PRUint32 aChromeMask,
PRBool aAllowPlugins)
{
mChromeMask = aChromeMask;
mAppShell = aAppShell;
mPrefs = aPrefs;
mAllowPlugins = aAllowPlugins;
// Create top level window
nsresult rv = NSRepository::CreateInstance(kWindowCID, nsnull, kIWidgetIID,
(void**)&mWindow);
if (NS_OK != rv) {
return rv;
}
nsRect r(0, 0, aBounds.width, aBounds.height);
mWindow->Create((nsIWidget*)NULL, r, HandleBrowserEvent,
nsnull, aAppShell);
mWindow->GetBounds(r);
// Create web shell
rv = NSRepository::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_kAuto, aAllowPlugins);
mWebShell->SetContainer((nsIWebShellContainer*) this);
mWebShell->SetObserver((nsIStreamObserver*)this);
mWebShell->SetPrefs(aPrefs);
mWebShell->Show();
if (NS_CHROME_MENU_BAR_ON & aChromeMask) {
rv = CreateMenuBar(r.width);
if (NS_OK != rv) {
return rv;
}
mWindow->GetBounds(r);
r.x = r.y = 0;
}
if (NS_CHROME_TOOL_BAR_ON & aChromeMask) {
rv = CreateToolBar(r.width);
if (NS_OK != rv) {
return rv;
}
}
if (NS_CHROME_STATUS_BAR_ON & aChromeMask) {
rv = CreateStatusBar(r.width);
if (NS_OK != rv) {
return rv;
}
}
// Now lay it all out
Layout(r.width, r.height);
return NS_OK;
}
// XXX This sort of thing should be in a resource
#define TOOL_BAR_FONT "Helvetica"
#define TOOL_BAR_FONT_SIZE 12
#define STATUS_BAR_FONT "Helvetica"
#define STATUS_BAR_FONT_SIZE 10
nsresult
nsBrowserWindow::CreateToolBar(PRInt32 aWidth)
{
nsresult rv;
nsIDeviceContext* dc = mWindow->GetDeviceContext();
float t2d;
dc->GetTwipsToDevUnits(t2d);
nsFont font(TOOL_BAR_FONT, NS_FONT_STYLE_NORMAL, NS_FONT_VARIANT_NORMAL,
NS_FONT_WEIGHT_NORMAL, 0,
nscoord(t2d * NSIntPointsToTwips(TOOL_BAR_FONT_SIZE)));
NS_RELEASE(dc);
// Create and place back button
rv = NSRepository::CreateInstance(kButtonCID, nsnull, kIButtonIID,
(void**)&mBack);
if (NS_OK != rv) {
return rv;
}
nsRect r(0, 0, BUTTON_WIDTH, BUTTON_HEIGHT);
mBack->Create(mWindow, r, HandleBackEvent, NULL);
mBack->SetLabel("Back");
mBack->SetFont(font);
mBack->Show(PR_TRUE);
// Create and place forward button
r.SetRect(BUTTON_WIDTH, 0, BUTTON_WIDTH, BUTTON_HEIGHT);
rv = NSRepository::CreateInstance(kButtonCID, nsnull, kIButtonIID,
(void**)&mForward);
if (NS_OK != rv) {
return rv;
}
mForward->Create(mWindow, r, HandleForwardEvent, NULL);
mForward->SetLabel("Forward");
mForward->SetFont(font);
mForward->Show(PR_TRUE);
// Create and place location bar
r.SetRect(2*BUTTON_WIDTH, 0,
aWidth - 2*BUTTON_WIDTH - THROBBER_WIDTH,
BUTTON_HEIGHT);
rv = NSRepository::CreateInstance(kTextFieldCID, nsnull, kITextWidgetIID,
(void**)&mLocation);
if (NS_OK != rv) {
return rv;
}
mLocation->Create(mWindow, r, HandleLocationEvent, NULL);
mLocation->SetText("");
mLocation->SetForegroundColor(NS_RGB(0, 0, 0));
mLocation->SetBackgroundColor(NS_RGB(255, 255, 255));
mLocation->Show(PR_TRUE);
mLocation->SetFont(font);
// Create and place throbber
r.SetRect(aWidth - THROBBER_WIDTH, 0,
THROBBER_WIDTH, THROBBER_HEIGHT);
rv = NSRepository::CreateInstance(kThrobberCID, nsnull, kIThrobberIID,
(void**)&mThrobber);
if (NS_OK != rv) {
return rv;
}
mThrobber->Init(mWindow, r);
mThrobber->Show();
return NS_OK;
}
nsresult
nsBrowserWindow::CreateStatusBar(PRInt32 aWidth)
{
nsresult rv;
nsIDeviceContext* dc = mWindow->GetDeviceContext();
float t2d;
dc->GetTwipsToDevUnits(t2d);
nsFont font(STATUS_BAR_FONT, NS_FONT_STYLE_NORMAL, NS_FONT_VARIANT_NORMAL,
NS_FONT_WEIGHT_NORMAL, 0,
nscoord(t2d * NSIntPointsToTwips(STATUS_BAR_FONT_SIZE)));
NS_RELEASE(dc);
nsRect r(0, 0, aWidth, THROBBER_HEIGHT);
rv = NSRepository::CreateInstance(kTextFieldCID, nsnull, kITextWidgetIID,
(void**)&mStatus);
if (NS_OK != rv) {
return rv;
}
mStatus->Create(mWindow, r, HandleLocationEvent, NULL);
mStatus->SetText("");
mStatus->SetForegroundColor(NS_RGB(0, 0, 0));
mStatus->SetFont(font);
mStatus->Show(PR_TRUE);
return NS_OK;
}
void
nsBrowserWindow::Layout(PRInt32 aWidth, PRInt32 aHeight)
{
// position location bar (it's stretchy)
if (mLocation) {
if (mThrobber) {
mLocation->Resize(2*BUTTON_WIDTH, 0,
aWidth - (2*BUTTON_WIDTH + THROBBER_WIDTH),
BUTTON_HEIGHT,
PR_TRUE);
}
else {
mLocation->Resize(2*BUTTON_WIDTH, 0,
aWidth - 2*BUTTON_WIDTH,
BUTTON_HEIGHT,
PR_TRUE);
}
}
if (mThrobber) {
mThrobber->MoveTo(aWidth - THROBBER_WIDTH, 0);
}
nsRect rr(0, 0, aWidth, aHeight);
if (mLocation) {
rr.y += BUTTON_HEIGHT;
rr.height -= BUTTON_HEIGHT;
}
if (mStatus) {
mStatus->Resize(0, aHeight - STATUS_HEIGHT,
aWidth, STATUS_HEIGHT,
PR_TRUE);
rr.height -= STATUS_HEIGHT;
}
// inset the web widget
rr.x += WEBSHELL_LEFT_INSET;
rr.y += WEBSHELL_TOP_INSET;
rr.width -= WEBSHELL_LEFT_INSET + WEBSHELL_RIGHT_INSET;
rr.height -= WEBSHELL_TOP_INSET + WEBSHELL_BOTTOM_INSET;
mWebShell->SetBounds(rr.x, rr.y, rr.width, rr.height);
}
NS_IMETHODIMP
nsBrowserWindow::MoveTo(PRInt32 aX, PRInt32 aY)
{
NS_PRECONDITION(nsnull != mWindow, "null window");
mWindow->Move(aX, aY);
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::SizeTo(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
nsBrowserWindow::GetBounds(nsRect& aBounds)
{
mWindow->GetBounds(aBounds);
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::Show()
{
NS_PRECONDITION(nsnull != mWindow, "null window");
mWindow->Show(PR_TRUE);
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::Hide()
{
NS_PRECONDITION(nsnull != mWindow, "null window");
mWindow->Show(PR_FALSE);
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::OpenWindow(PRUint32 aNewChromeMask, nsIBrowserWindow*& aNewWindow)
{
return mApp->OpenWindow(aNewChromeMask, aNewWindow);
}
NS_IMETHODIMP
nsBrowserWindow::ChangeChrome(PRUint32 aChromeMask)
{
// XXX write me
mChromeMask = aChromeMask;
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::GetChrome(PRUint32& aChromeMaskResult)
{
aChromeMaskResult = mChromeMask;
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::LoadURL(const PRUnichar* aURL)
{
return mWebShell->LoadURL(aURL, nsnull);
}
NS_IMETHODIMP
nsBrowserWindow::GetWebShell(nsIWebShell*& aResult)
{
aResult = mWebShell;
NS_IF_ADDREF(mWebShell);
return NS_OK;
}
//----------------------------------------
NS_IMETHODIMP
nsBrowserWindow::SetTitle(const PRUnichar* aTitle)
{
NS_PRECONDITION(nsnull != mWindow, "null window");
mTitle = aTitle;
mWindow->SetTitle(aTitle);
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::GetTitle(PRUnichar** aResult)
{
*aResult = mTitle;
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::SetStatus(const PRUnichar* aStatus)
{
if (nsnull != mStatus) {
mStatus->SetText(aStatus);
}
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::GetStatus(PRUnichar** aResult)
{
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::WillLoadURL(nsIWebShell* aShell, const PRUnichar* aURL, nsLoadType aReason)
{
if (mStatus) {
nsAutoString url("Connecting to ");
url.Append(aURL);
mStatus->SetText(url);
}
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::BeginLoadURL(nsIWebShell* aShell, const PRUnichar* aURL)
{
if (mThrobber) {
mThrobber->Start();
mLocation->SetText(aURL);
}
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::ProgressLoadURL(nsIWebShell* aShell, const PRUnichar* aURL, PRInt32 aProgress, PRInt32 aProgressMax)
{
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::EndLoadURL(nsIWebShell* aShell, const PRUnichar* aURL, PRInt32 aStatus)
{
if (mThrobber) {
mThrobber->Stop();
}
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::OverLink(nsIWebShell* aShell, const PRUnichar* aURLSpec, const PRUnichar* aTargetSpec)
{
if (nsnull != mStatus) {
mStatus->SetText(aURLSpec);
}
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::NewWebShell(nsIWebShell *&aNewWebShell)
{
nsNativeBrowserWindow *browser = (nsNativeBrowserWindow *)new nsNativeBrowserWindow();
nsresult rv = NS_OK;
if (nsnull != browser)
{
nsRect bounds;
GetBounds(bounds);
browser->SetApp(mApp);
rv = browser->Init(mAppShell, mPrefs, bounds, mChromeMask, mAllowPlugins);
if (NS_OK == rv)
{
NS_ADDREF(browser);
browser->Show();
nsIWebShell *shell;
rv = browser->GetWebShell(shell);
aNewWebShell = shell;
}
else
browser->Destroy();
}
else
rv = NS_ERROR_OUT_OF_MEMORY;
return rv;
}
//----------------------------------------
// Stream observer implementation
NS_IMETHODIMP
nsBrowserWindow::OnProgress(nsIURL* aURL,
PRInt32 aProgress,
PRInt32 aProgressMax)
{
if (mStatus) {
nsAutoString url;
if (nsnull != aURL) {
aURL->ToString(url);
}
url.Append(": progress ");
url.Append(aProgress, 10);
if (0 != aProgressMax) {
url.Append(" (out of ");
url.Append(aProgressMax, 10);
url.Append(")");
}
mStatus->SetText(url);
}
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::OnStatus(nsIURL* aURL, const nsString& aMsg)
{
if (mStatus) {
mStatus->SetText(aMsg);
}
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::OnStartBinding(nsIURL* aURL, const char *aContentType)
{
if (mStatus) {
nsAutoString url;
if (nsnull != aURL) {
aURL->ToString(url);
}
url.Append(": start");
mStatus->SetText(url);
}
return NS_OK;
}
NS_IMETHODIMP
nsBrowserWindow::OnStopBinding(nsIURL* aURL,
PRInt32 status,
const nsString& aMsg)
{
if (mThrobber) {
mThrobber->Stop();
}
if (mStatus) {
nsAutoString url;
if (nsnull != aURL) {
aURL->ToString(url);
}
url.Append(": stop");
mStatus->SetText(url);
}
return NS_OK;
}
NS_IMETHODIMP_(void)
nsBrowserWindow::Alert(const nsString &aText)
{
nsAutoString str(aText);
printf("Browser Window Alert: %s\n", str);
}
NS_IMETHODIMP_(PRBool)
nsBrowserWindow::Confirm(const nsString &aText)
{
nsAutoString str(aText);
printf("Browser Window Confirm: %s (returning false)\n", str);
return PR_FALSE;
}
NS_IMETHODIMP_(PRBool)
nsBrowserWindow::Prompt(const nsString &aText,
const nsString &aDefault,
nsString &aResult)
{
nsAutoString str(aText);
char buf[256];
printf("Browser Window: %s\n", str);
printf("Prompt: ");
scanf("%s", buf);
aResult = buf;
return (aResult.Length() > 0);
}
NS_IMETHODIMP_(PRBool)
nsBrowserWindow::PromptUserAndPassword(const nsString &aText,
nsString &aUser,
nsString &aPassword)
{
nsAutoString str(aText);
char buf[256];
printf("Browser Window: %s\n", str);
printf("User: ");
scanf("%s", buf);
aUser = buf;
printf("Password: ");
scanf("%s", buf);
aPassword = buf;
return (aUser.Length() > 0);
}
NS_IMETHODIMP_(PRBool)
nsBrowserWindow::PromptPassword(const nsString &aText,
nsString &aPassword)
{
nsAutoString str(aText);
char buf[256];
printf("Browser Window: %s\n", str);
printf("Password: ");
scanf("%s", buf);
aPassword = buf;
return PR_TRUE;
}
//----------------------------------------
// Toolbar support
void
nsBrowserWindow::StartThrobber()
{
}
void
nsBrowserWindow::StopThrobber()
{
}
void
nsBrowserWindow::LoadThrobberImages()
{
}
void
nsBrowserWindow::DestroyThrobberImages()
{
}
static NS_DEFINE_IID(kIDocumentViewerIID, NS_IDOCUMENT_VIEWER_IID);
nsIPresShell*
nsBrowserWindow::GetPresShell()
{
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) {
shell = cx->GetShell();
NS_RELEASE(cx);
}
NS_RELEASE(docv);
}
NS_RELEASE(cv);
}
}
return shell;
}
#ifdef WIN32
void PlaceHTMLOnClipboard(PRUint32 aFormat, char* aData, int aLength)
{
HGLOBAL hGlobalMemory;
PSTR pGlobalMemory;
PRUint32 cf_aol = RegisterClipboardFormat(gsAOLFormat);
PRUint32 cf_html = RegisterClipboardFormat(gsHTMLFormat);
char* preamble = "";
char* postamble = "";
if (aFormat == cf_aol || aFormat == CF_TEXT)
{
preamble = "<HTML>";
postamble = "</HTML>";
}
PRInt32 size = aLength + 1 + strlen(preamble) + strlen(postamble);
if (aLength)
{
// Copy text to Global Memory Area
hGlobalMemory = (HGLOBAL)GlobalAlloc(GHND, size);
if (hGlobalMemory != NULL)
{
pGlobalMemory = (PSTR) GlobalLock(hGlobalMemory);
int i;
// AOL requires HTML prefix/postamble
char* s = preamble;
PRInt32 len = strlen(s);
for (i=0; i < len; i++)
{
*pGlobalMemory++ = *s++;
}
s = aData;
len = aLength;
for (i=0;i< len;i++) {
*pGlobalMemory++ = *s++;
}
s = postamble;
len = strlen(s);
for (i=0; i < len; i++)
{
*pGlobalMemory++ = *s++;
}
// Put data on Clipboard
GlobalUnlock(hGlobalMemory);
SetClipboardData(aFormat, hGlobalMemory);
}
}
}
#endif
void
nsBrowserWindow::DoCopy()
{
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIDocument* doc = shell->GetDocument();
if (nsnull != doc) {
nsString buffer;
doc->CreateXIF(buffer,PR_TRUE);
nsIParser* parser;
static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
nsresult rv = NSRepository::CreateInstance(kCParserCID,
nsnull,
kCParserIID,
(void **)&parser);
if (NS_OK == rv) {
nsIHTMLContentSink* sink = nsnull;
rv = NS_New_HTML_ContentSinkStream(&sink,PR_FALSE,PR_FALSE);
ostrstream data;
((nsHTMLContentSinkStream*)sink)->SetOutputStream(data);
if (NS_OK == rv) {
parser->SetContentSink(sink);
nsIDTD* dtd = nsnull;
rv = NS_NewXIFDTD(&dtd);
if (NS_OK == rv)
{
parser->RegisterDTD(dtd);
dtd->SetContentSink(sink);
dtd->SetParser(parser);
parser->Parse(buffer, PR_FALSE);
}
NS_IF_RELEASE(dtd);
NS_IF_RELEASE(sink);
char* str = data.str();
#if defined(WIN32)
PRUint32 cf_aol = RegisterClipboardFormat(gsAOLFormat);
PRUint32 cf_html = RegisterClipboardFormat(gsHTMLFormat);
PRInt32 len = data.pcount();
if (len)
{
OpenClipboard(NULL);
EmptyClipboard();
PlaceHTMLOnClipboard(cf_aol,str,len);
PlaceHTMLOnClipboard(cf_html,str,len);
PlaceHTMLOnClipboard(CF_TEXT,str,len);
CloseClipboard();
}
// in ostrstreams if you cal the str() function
// then you are responsible for deleting the string
#endif
if (str) delete str;
}
NS_RELEASE(parser);
}
NS_RELEASE(doc);
}
NS_RELEASE(shell);
}
}
//----------------------------------------------------------------------
void
nsBrowserWindow::DoJSConsole()
{
mApp->CreateJSConsole(this);
}
void
nsBrowserWindow::DoEditorMode(nsIWebShell *aWebShell)
{
PRInt32 i, n;
if (nsnull != aWebShell) {
nsIContentViewer* mCViewer;
aWebShell->GetContentViewer(mCViewer);
if (nsnull != mCViewer) {
nsIDocumentViewer* mDViewer;
if (NS_OK == mCViewer->QueryInterface(kIDocumentViewerIID, (void**) &mDViewer)) {
nsIDocument* mDoc;
mDViewer->GetDocument(mDoc);
if (nsnull != mDoc) {
nsIDOMDocument* mDOMDoc;
if (NS_OK == mDoc->QueryInterface(kIDOMDocumentIID, (void**) &mDOMDoc)) {
NS_InitEditorMode(mDOMDoc);
NS_RELEASE(mDOMDoc);
}
NS_RELEASE(mDoc);
}
NS_RELEASE(mDViewer);
}
NS_RELEASE(mCViewer);
}
aWebShell->GetChildCount(n);
for (i = 0; i < n; i++) {
nsIWebShell* mChild;
aWebShell->ChildAt(i, mChild);
DoEditorMode(mChild);
NS_RELEASE(mChild);
}
}
}
#ifdef NS_DEBUG
#include "nsIContent.h"
#include "nsIFrame.h"
#include "nsIStyleContext.h"
#include "nsISizeOfHandler.h"
#include "nsIStyleSet.h"
void
nsBrowserWindow::DumpContent(FILE* out)
{
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIDocument* doc = shell->GetDocument();
if (nsnull != doc) {
nsIContent* root = doc->GetRootContent();
if (nsnull != root) {
root->List(out);
NS_RELEASE(root);
}
NS_RELEASE(doc);
}
NS_RELEASE(shell);
}
else {
fputs("null pres shell\n", out);
}
}
void
nsBrowserWindow::DumpFrames(FILE* out)
{
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIFrame* root = shell->GetRootFrame();
if (nsnull != root) {
root->List(out);
}
NS_RELEASE(shell);
}
else {
fputs("null pres shell\n", out);
}
}
void
DumpViewsRecurse(nsBrowserWindow* aBrowser, nsIWebShell* aWebShell, FILE* out)
{
if (nsnull != aWebShell) {
nsIPresShell* shell = aBrowser->GetPresShell();
if (nsnull != shell) {
nsIViewManager* vm = shell->GetViewManager();
if (nsnull != vm) {
nsIView* root = vm->GetRootView();
if (nsnull != root) {
root->List(out);
}
NS_RELEASE(vm);
}
NS_RELEASE(shell);
}
else {
fputs("null pres shell\n", out);
}
// dump the views of the sub documents
PRInt32 i, n;
aWebShell->GetChildCount(n);
for (i = 0; i < n; i++) {
nsIWebShell* child;
aWebShell->ChildAt(i, child);
if (nsnull != child) {
DumpViewsRecurse(aBrowser, child, out);
}
}
}
}
void
nsBrowserWindow::DumpViews(FILE* out)
{
DumpViewsRecurse(this, mWebShell, out);
}
static void DumpAWebShell(nsIWebShell* aShell, FILE* out, PRInt32 aIndent)
{
PRUnichar *name;
nsAutoString str;
nsIWebShell* parent;
PRInt32 i, n;
for (i = aIndent; --i >= 0; ) fprintf(out, " ");
fprintf(out, "%p '", aShell);
aShell->GetName(&name);
aShell->GetParent(parent);
str = name;
fputs(str, out);
fprintf(out, "' parent=%p <\n", parent);
NS_IF_RELEASE(parent);
aIndent++;
aShell->GetChildCount(n);
for (i = 0; i < n; i++) {
nsIWebShell* child;
aShell->ChildAt(i, child);
if (nsnull != child) {
DumpAWebShell(child, out, aIndent);
}
}
aIndent--;
for (i = aIndent; --i >= 0; ) fprintf(out, " ");
fputs(">\n", out);
}
void
nsBrowserWindow::DumpWebShells(FILE* out)
{
DumpAWebShell(mWebShell, out, 0);
}
void
nsBrowserWindow::DumpStyleSheets(FILE* out)
{
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIStyleSet* styleSet = shell->GetStyleSet();
if (nsnull == styleSet) {
fputs("null style set\n", out);
} else {
styleSet->List(out);
NS_RELEASE(styleSet);
}
NS_RELEASE(shell);
}
else {
fputs("null pres shell\n", out);
}
}
void
nsBrowserWindow::DumpStyleContexts(FILE* out)
{
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIPresContext* cx = shell->GetPresContext();
nsIStyleSet* styleSet = shell->GetStyleSet();
if (nsnull == styleSet) {
fputs("null style set\n", out);
} else {
nsIFrame* root = shell->GetRootFrame();
if (nsnull == root) {
fputs("null root frame\n", out);
} else {
nsIStyleContext* rootContext;
root->GetStyleContext(cx, rootContext);
if (nsnull != rootContext) {
styleSet->ListContexts(rootContext, out);
NS_RELEASE(rootContext);
}
else {
fputs("null root context", out);
}
}
NS_RELEASE(styleSet);
}
NS_IF_RELEASE(cx);
NS_RELEASE(shell);
} else {
fputs("null pres shell\n", out);
}
}
void
nsBrowserWindow::ToggleFrameBorders()
{
PRBool showing = nsIFrame::GetShowFrameBorders();
nsIFrame::ShowFrameBorders(!showing);
ForceRefresh();
}
void
nsBrowserWindow::ShowContentSize()
{
nsISizeOfHandler* szh;
if (NS_OK != NS_NewSizeOfHandler(&szh)) {
return;
}
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIDocument* doc = shell->GetDocument();
if (nsnull != doc) {
nsIContent* content = doc->GetRootContent();
if (nsnull != content) {
content->SizeOf(szh);
PRUint32 totalSize;
szh->GetSize(totalSize);
printf("Content model size is approximately %d bytes\n", totalSize);
NS_RELEASE(content);
}
NS_RELEASE(doc);
}
NS_RELEASE(shell);
}
NS_RELEASE(szh);
}
void
nsBrowserWindow::ShowFrameSize()
{
nsIPresShell* shell0 = GetPresShell();
if (nsnull != shell0) {
nsIDocument* doc = shell0->GetDocument();
if (nsnull != doc) {
PRInt32 i, shells = doc->GetNumberOfShells();
for (i = 0; i < shells; i++) {
nsIPresShell* shell = doc->GetShellAt(i);
if (nsnull != shell) {
nsISizeOfHandler* szh;
if (NS_OK != NS_NewSizeOfHandler(&szh)) {
return;
}
nsIFrame* root;
root = shell->GetRootFrame();
if (nsnull != root) {
root->SizeOf(szh);
PRUint32 totalSize;
szh->GetSize(totalSize);
printf("Frame model for shell=%p size is approximately %d bytes\n",
shell, totalSize);
}
NS_RELEASE(szh);
NS_RELEASE(shell);
}
}
NS_RELEASE(doc);
}
NS_RELEASE(shell0);
}
}
void
nsBrowserWindow::ShowStyleSize()
{
}
static PRBool GetSaveFileNameFromFileSelector(nsIWidget* aParentWindow,
nsString& aFileName)
{
PRInt32 offset = aFileName.RFind('/');
if (offset != -1)
aFileName.Cut(0,offset+1);
PRBool selectedFileName = PR_FALSE;
nsIFileWidget *fileWidget;
nsString title("Save HTML");
nsresult rv = NSRepository::CreateInstance(kFileWidgetCID,
nsnull,
kIFileWidgetIID,
(void**)&fileWidget);
if (NS_OK == rv) {
nsString titles[] = {"html","txt"};
nsString filters[] = {"*.html", "*.txt"};
fileWidget->SetFilterList(2, titles, filters);
fileWidget->Create(aParentWindow,
title,
eMode_save,
nsnull,
nsnull);
fileWidget->SetDefaultString(aFileName);
PRUint32 result = fileWidget->Show();
if (result) {
fileWidget->GetFile(aFileName);
selectedFileName = PR_TRUE;
}
NS_RELEASE(fileWidget);
}
return selectedFileName;
}
void
nsBrowserWindow::DoDebugSave()
{
PRBool doSave = PR_FALSE;
nsString path;
PRUnichar *urlString;
mWebShell->GetURL(0,&urlString);
nsIURL* url;
nsresult rv = NS_NewURL(&url, urlString);
if (rv == NS_OK)
{
const char* name = url->GetFile();
path = name;
doSave = GetSaveFileNameFromFileSelector(mWindow, path);
NS_RELEASE(url);
}
if (!doSave)
return;
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIDocument* doc = shell->GetDocument();
if (nsnull != doc) {
nsString buffer;
doc->CreateXIF(buffer,PR_FALSE);
nsIParser* parser;
static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
nsresult rv = NSRepository::CreateInstance(kCParserCID,
nsnull,
kCParserIID,
(void **)&parser);
if (NS_OK == rv) {
nsIHTMLContentSink* sink = nsnull;
rv = NS_New_HTML_ContentSinkStream(&sink);
#ifdef WIN32
#define BUFFER_SIZE MAX_PATH
#else
#define BUFFER_SIZE 1024
#endif
char filename[BUFFER_SIZE];
path.ToCString(filename,BUFFER_SIZE);
ofstream out(filename);
((nsHTMLContentSinkStream*)sink)->SetOutputStream(out);
if (NS_OK == rv) {
parser->SetContentSink(sink);
nsIDTD* dtd = nsnull;
rv = NS_NewXIFDTD(&dtd);
if (NS_OK == rv)
{
parser->RegisterDTD(dtd);
dtd->SetContentSink(sink);
dtd->SetParser(parser);
parser->Parse(buffer, PR_FALSE);
}
out.close();
NS_IF_RELEASE(dtd);
NS_IF_RELEASE(sink);
}
NS_RELEASE(parser);
}
NS_RELEASE(doc);
}
NS_RELEASE(shell);
}
}
void
nsBrowserWindow::DoToggleSelection()
{
nsIPresShell* shell = GetPresShell();
if (nsnull != shell) {
nsIDocument* doc = shell->GetDocument();
if (nsnull != doc) {
PRBool current = doc->GetDisplaySelection();
doc->SetDisplaySelection(!current);
ForceRefresh();
NS_RELEASE(doc);
}
NS_RELEASE(shell);
}
}
void
nsBrowserWindow::DoDebugRobot()
{
mApp->CreateRobot(this);
}
void
nsBrowserWindow::DoSiteWalker()
{
mApp->CreateSiteWalker(this);
}
nsEventStatus
nsBrowserWindow::DispatchDebugMenu(PRInt32 aID)
{
nsEventStatus result = nsEventStatus_eIgnore;
switch(aID) {
case VIEWER_VISUAL_DEBUGGING:
ToggleFrameBorders();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_DUMP_CONTENT:
DumpContent();
DumpWebShells();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_DUMP_FRAMES:
DumpFrames();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_DUMP_VIEWS:
DumpViews();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_DUMP_STYLE_SHEETS:
DumpStyleSheets();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_DUMP_STYLE_CONTEXTS:
DumpStyleContexts();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_SHOW_CONTENT_SIZE:
ShowContentSize();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_SHOW_FRAME_SIZE:
ShowFrameSize();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_SHOW_STYLE_SIZE:
ShowStyleSize();
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_SHOW_CONTENT_QUALITY:
#if XXX_fix_me
if ((nsnull != wd) && (nsnull != wd->observer)) {
nsIPresContext *px = wd->observer->mWebWidget->GetPresContext();
nsIPresShell *ps = px->GetShell();
nsIViewManager *vm = ps->GetViewManager();
vm->ShowQuality(!vm->GetShowQuality());
NS_RELEASE(vm);
NS_RELEASE(ps);
NS_RELEASE(px);
}
#endif
result = nsEventStatus_eConsumeNoDefault;
break;
case VIEWER_DEBUGSAVE:
DoDebugSave();
break;
case VIEWER_TOGGLE_SELECTION:
DoToggleSelection();
break;
case VIEWER_DEBUGROBOT:
DoDebugRobot();
break;
case VIEWER_TOP100:
DoSiteWalker();
break;
}
return(result);
}
#endif // NS_DEBUG
//----------------------------------------------------------------------
// Factory code for creating nsBrowserWindow's
class nsBrowserWindowFactory : public nsIFactory
{
public:
nsBrowserWindowFactory();
~nsBrowserWindowFactory();
// 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;
};
nsBrowserWindowFactory::nsBrowserWindowFactory()
{
mRefCnt = 0;
}
nsBrowserWindowFactory::~nsBrowserWindowFactory()
{
NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
}
nsresult
nsBrowserWindowFactory::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;
}
AddRef(); // Increase reference count for caller
return NS_OK;
}
nsrefcnt
nsBrowserWindowFactory::AddRef()
{
return ++mRefCnt;
}
nsrefcnt
nsBrowserWindowFactory::Release()
{
if (--mRefCnt == 0) {
delete this;
return 0; // Don't access mRefCnt after deleting!
}
return mRefCnt;
}
nsresult
nsBrowserWindowFactory::CreateInstance(nsISupports *aOuter,
const nsIID &aIID,
void **aResult)
{
nsresult rv;
nsBrowserWindow *inst;
if (aResult == NULL) {
return NS_ERROR_NULL_POINTER;
}
*aResult = NULL;
if (nsnull != aOuter) {
rv = NS_ERROR_NO_AGGREGATION;
goto done;
}
inst = new nsNativeBrowserWindow();
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
nsBrowserWindowFactory::LockFactory(PRBool aLock)
{
// Not implemented in simplest case.
return NS_OK;
}
nsresult
NS_NewBrowserWindowFactory(nsIFactory** aFactory)
{
nsresult rv = NS_OK;
nsIFactory* inst = new nsBrowserWindowFactory();
if (nsnull == inst) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
else {
NS_ADDREF(inst);
}
*aFactory = inst;
return rv;
}
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