RetroZilla/webshell/tests/viewer/nsXPBaseWindow.cpp
2015-10-20 23:03:22 -04:00

612 lines
17 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCOMPtr.h"
#include "prmem.h"
#include "nsXPBaseWindow.h"
#include "nsCOMPtr.h"
#include "nsIPrompt.h"
#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 "nsPresContext.h"
#include "nsIDocumentViewer.h"
#include "nsIContentViewer.h"
#include "nsIPresShell.h"
#include "nsIDocument.h"
#include "nsIDocument.h"
#include "nsIDOMEventReceiver.h"
#include "nsIDOMElement.h"
#include "nsIDOMHTMLDocument.h"
#include "nsIWindowListener.h"
#include "nsIBaseWindow.h"
#include "nsIWebNavigation.h"
#include "nsIViewManager.h"
#include "nsGUIEvent.h"
#include "nsIDocShell.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDocShellTreeNode.h"
#include "nsXPIDLString.h"
#include "nsReadableUtils.h"
#include <ctype.h> // tolower
// XXX For font setting below
#include "nsFont.h"
//#include "nsUnitConversion.h"
//#include "nsIDeviceContext.h"
static NS_DEFINE_IID(kWindowCID, NS_WINDOW_CID);
static NS_DEFINE_IID(kIXPBaseWindowIID, NS_IXPBASE_WINDOW_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_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(kIDOMHTMLDocumentIID, NS_IDOMHTMLDOCUMENT_IID);
//----------------------------------------------------------------------
nsXPBaseWindow::nsXPBaseWindow() :
mContentRoot(nsnull),
mWindowListener(nsnull),
mDocIsLoaded(PR_FALSE),
mAppShell(nsnull)
{
}
//----------------------------------------------------------------------
nsXPBaseWindow::~nsXPBaseWindow()
{
NS_IF_RELEASE(mContentRoot);
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(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,
const nsString& aDialogURL,
const nsString& aTitle,
const nsRect& aBounds,
PRUint32 aChromeMask,
PRBool aAllowPlugins)
{
mAllowPlugins = aAllowPlugins;
mWindowType = aType;
mAppShell = aAppShell;
NS_IF_ADDREF(mAppShell);
// Create top level window
nsresult rv;
rv = CallCreateInstance(kWindowCID, &mWindow);
if (NS_FAILED(rv)) {
return rv;
}
mWindow->SetClientData(this);
nsWidgetInitData initData;
initData.mWindowType = eWindowType_toplevel;
initData.mBorderStyle = eBorderStyle_default;
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 = CallCreateInstance("@mozilla.org/webshell;1", &mDocShell);
if (NS_FAILED(rv)) {
return rv;
}
r.x = r.y = 0;
mDocShell->SetAllowPlugins(aAllowPlugins);
nsCOMPtr<nsIBaseWindow> docShellWin(do_QueryInterface(mDocShell));
rv = docShellWin->InitWindow(nsnull, mWindow, r.x, r.y, r.width, r.height);
docShellWin->Create();
docShellWin->SetVisibility(PR_TRUE);
// Now lay it all out
Layout(r.width, r.height);
// Load URL to Load GUI
mDialogURL = aDialogURL;
LoadURL(mDialogURL);
SetTitle(aTitle.get());
return NS_OK;
}
//----------------------------------------------------------------------
void nsXPBaseWindow::ForceRefresh()
{
nsIPresShell* shell;
GetPresShell(shell);
if (nsnull != shell) {
nsIViewManager *vm = shell->GetViewManager();
if (vm) {
nsIView* root;
vm->GetRootView(root);
if (nsnull != root) {
vm->UpdateView(root, NS_VMREFRESH_IMMEDIATE);
}
}
NS_RELEASE(shell);
}
}
//----------------------------------------------------------------------
void nsXPBaseWindow::Layout(PRInt32 aWidth, PRInt32 aHeight)
{
nsRect rr(0, 0, aWidth, aHeight);
nsCOMPtr<nsIBaseWindow> docShellWin(do_QueryInterface(mDocShell));
docShellWin->SetPositionAndSize(rr.x, rr.y, rr.width, rr.height, PR_FALSE);
}
//----------------------------------------------------------------------
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 (mDocShell) {
nsCOMPtr<nsIBaseWindow> webShellWin(do_QueryInterface(mDocShell));
webShellWin->Destroy();
NS_RELEASE(mDocShell);
}
if (nsnull != mWindow) {
nsIWidget* w = mWindow;
NS_RELEASE(w);
}
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::GetDocShell(nsIDocShell*& aResult)
{
NS_IF_ADDREF(aResult = mDocShell);
return NS_OK;
}
//---------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::SetTitle(const PRUnichar* aTitle)
{
NS_PRECONDITION(nsnull != mWindow, "null window");
mTitle = aTitle;
nsAutoString newTitle(aTitle);
mWindow->SetTitle(newTitle);
return NS_OK;
}
//---------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::GetTitle(const PRUnichar** aResult)
{
*aResult = ToNewUnicode(mTitle);
return NS_OK;
}
//---------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::LoadURL(const nsString& aURL)
{
nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(mDocShell));
webNav->LoadURI(aURL.get(), nsIWebNavigation::LOAD_FLAGS_NONE, nsnull, nsnull, nsnull);
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) {
nsIDocument *doc = shell->GetDocument();
if (doc) {
doc->QueryInterface(kIDOMHTMLDocumentIID,(void **)&htmlDoc);
}
NS_RELEASE(shell);
}
aDocument = htmlDoc;
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsXPBaseWindow::GetPresShell(nsIPresShell*& aPresShell)
{
aPresShell = nsnull;
if (mDocShell) {
nsIContentViewer* cv = nsnull;
mDocShell->GetContentViewer(&cv);
if (nsnull != cv) {
nsIDocumentViewer* docv = nsnull;
cv->QueryInterface(kIDocumentViewerIID, (void**) &docv);
if (nsnull != docv) {
nsCOMPtr<nsPresContext> cx;
docv->GetPresContext(getter_AddRefs(cx));
if (nsnull != cx) {
NS_IF_ADDREF(aPresShell = cx->GetPresShell());
}
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:
NS_DECL_ISUPPORTS
NS_DECL_NSIFACTORY
nsXPBaseWindowFactory();
virtual ~nsXPBaseWindowFactory();
};
//----------------------------------------------------------------------
nsXPBaseWindowFactory::nsXPBaseWindowFactory()
{
}
//----------------------------------------------------------------------
nsXPBaseWindowFactory::~nsXPBaseWindowFactory()
{
}
//----------------------------------------------------------------------
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;
}
NS_IMPL_ADDREF(nsXPBaseWindowFactory)
NS_IMPL_RELEASE(nsXPBaseWindowFactory)
//----------------------------------------------------------------------
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;
}