165 lines
4.4 KiB
C++
165 lines
4.4 KiB
C++
/* -*- 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 "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
#include "nsDOMWindowList.h"
|
|
#include "nsIWebShell.h"
|
|
#include "nsIScriptContextOwner.h"
|
|
#include "nsIScriptGlobalObject.h"
|
|
#include "nsIDOMWindow.h"
|
|
|
|
static NS_DEFINE_IID(kIDOMWindowCollectionIID, NS_IDOMWINDOWCOLLECTION_IID);
|
|
static NS_DEFINE_IID(kIScriptObjectOwnerIID, NS_ISCRIPTOBJECTOWNER_IID);
|
|
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
|
|
static NS_DEFINE_IID(kIScriptContextOwnerIID, NS_ISCRIPTCONTEXTOWNER_IID);
|
|
static NS_DEFINE_IID(kIDOMWindowIID, NS_IDOMWINDOW_IID);
|
|
|
|
nsDOMWindowList::nsDOMWindowList(nsIWebShell *aWebShell)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
mScriptObject = nsnull;
|
|
//Not refcnted. Ref is nulled out be nsGlobalWindow when its
|
|
//WebShell nulls its ref out.
|
|
mWebShell = aWebShell;
|
|
}
|
|
|
|
nsDOMWindowList::~nsDOMWindowList()
|
|
{
|
|
}
|
|
|
|
nsresult nsDOMWindowList::QueryInterface(REFNSIID aIID, void** aInstancePtr)
|
|
{
|
|
if (nsnull == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (aIID.Equals(kIDOMWindowCollectionIID)) {
|
|
*aInstancePtr = (void*)(nsIDOMWindowCollection*)this;
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kIScriptObjectOwnerIID)) {
|
|
*aInstancePtr = (void*)(nsIScriptObjectOwner*)this;
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
if (aIID.Equals(kISupportsIID)) {
|
|
*aInstancePtr = (void*)(nsISupports*)(nsIDOMWindowCollection*)this;
|
|
AddRef();
|
|
return NS_OK;
|
|
}
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
NS_IMPL_ADDREF(nsDOMWindowList)
|
|
NS_IMPL_RELEASE(nsDOMWindowList)
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowList::SetWebShell(nsIWebShell* aWebShell)
|
|
{
|
|
mWebShell = aWebShell;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowList::GetLength(PRUint32* aLength)
|
|
{
|
|
PRInt32 mLength;
|
|
nsresult ret;
|
|
|
|
ret = mWebShell->GetChildCount(mLength);
|
|
|
|
*aLength = mLength;
|
|
return ret;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowList::Item(PRUint32 aIndex, nsIDOMWindow** aReturn)
|
|
{
|
|
nsIWebShell *mItem;
|
|
nsresult ret;
|
|
|
|
mWebShell->ChildAt(aIndex, mItem);
|
|
|
|
if (nsnull != mItem) {
|
|
nsIScriptContextOwner *mItemContextOwner;
|
|
if (NS_OK == mItem->QueryInterface(kIScriptContextOwnerIID, (void**)&mItemContextOwner)) {
|
|
nsIScriptGlobalObject *mItemGlobalObject;
|
|
if (NS_OK == mItemContextOwner->GetScriptGlobalObject(&mItemGlobalObject)) {
|
|
ret = mItemGlobalObject->QueryInterface(kIDOMWindowIID, (void**)aReturn);
|
|
NS_RELEASE(mItemGlobalObject);
|
|
}
|
|
NS_RELEASE(mItemContextOwner);
|
|
}
|
|
NS_RELEASE(mItem);
|
|
}
|
|
else {
|
|
*aReturn = nsnull;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowList::NamedItem(const nsString& aName, nsIDOMWindow** aReturn)
|
|
{
|
|
nsIWebShell *mItem;
|
|
nsresult ret;
|
|
|
|
mWebShell->FindChildWithName(aName.GetUnicode(), mItem);
|
|
|
|
if (nsnull != mItem) {
|
|
nsIScriptContextOwner *mItemContextOwner;
|
|
if (NS_OK == mItem->QueryInterface(kIScriptContextOwnerIID, (void**)&mItemContextOwner)) {
|
|
nsIScriptGlobalObject *mItemGlobalObject;
|
|
if (NS_OK == mItemContextOwner->GetScriptGlobalObject(&mItemGlobalObject)) {
|
|
ret = mItemGlobalObject->QueryInterface(kIDOMWindowIID, (void**)aReturn);
|
|
NS_RELEASE(mItemGlobalObject);
|
|
}
|
|
NS_RELEASE(mItemContextOwner);
|
|
}
|
|
NS_RELEASE(mItem);
|
|
}
|
|
else {
|
|
*aReturn = nsnull;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowList::GetScriptObject(nsIScriptContext *aContext, void** aScriptObject)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsIScriptGlobalObject *global = aContext->GetGlobalObject();
|
|
|
|
if (nsnull == mScriptObject) {
|
|
res = NS_NewScriptWindowCollection(aContext, (nsISupports *)(nsIDOMWindowCollection *)this, global, (void**)&mScriptObject);
|
|
}
|
|
*aScriptObject = mScriptObject;
|
|
|
|
NS_RELEASE(global);
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowList::SetScriptObject(void *aScriptObject)
|
|
{
|
|
mScriptObject = aScriptObject;
|
|
return NS_OK;
|
|
}
|