276 lines
7.6 KiB
C++
276 lines
7.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* 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 "nsIDOMHTMLFrameElement.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIHTMLContent.h"
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#include "nsGenericHTMLElement.h"
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#include "nsHTMLAtoms.h"
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#include "nsHTMLIIDs.h"
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#include "nsIStyleContext.h"
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#include "nsIMutableStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsIPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIDocument.h"
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#include "nsIDOMDocument.h"
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#include "nsIWebNavigation.h"
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#include "nsIChromeEventHandler.h"
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#include "nsDOMError.h"
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class nsHTMLFrameElement : public nsGenericHTMLLeafElement,
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public nsIDOMHTMLFrameElement,
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public nsIChromeEventHandler
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{
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public:
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nsHTMLFrameElement();
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virtual ~nsHTMLFrameElement();
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMNode
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NS_FORWARD_IDOMNODE_NO_CLONENODE(nsGenericHTMLLeafElement::)
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// nsIDOMElement
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NS_FORWARD_IDOMELEMENT(nsGenericHTMLLeafElement::)
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// nsIDOMHTMLElement
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NS_FORWARD_IDOMHTMLELEMENT(nsGenericHTMLLeafElement::)
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// nsIDOMHTMLFrameElement
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NS_DECL_IDOMHTMLFRAMEELEMENT
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// nsIChromeEventHandler
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NS_DECL_NSICHROMEEVENTHANDLER
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NS_IMETHOD StringToAttribute(nsIAtom* aAttribute,
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const nsAReadableString& aValue,
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nsHTMLValue& aResult);
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NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsAWritableString& aResult) const;
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NS_IMETHOD SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const;
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};
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nsresult
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NS_NewHTMLFrameElement(nsIHTMLContent** aInstancePtrResult,
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nsINodeInfo *aNodeInfo)
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{
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NS_ENSURE_ARG_POINTER(aInstancePtrResult);
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nsHTMLFrameElement* it = new nsHTMLFrameElement();
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsresult rv = it->Init(aNodeInfo);
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if (NS_FAILED(rv)) {
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delete it;
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return rv;
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}
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*aInstancePtrResult = NS_STATIC_CAST(nsIHTMLContent *, it);
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NS_ADDREF(*aInstancePtrResult);
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return NS_OK;
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}
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nsHTMLFrameElement::nsHTMLFrameElement()
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{
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}
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nsHTMLFrameElement::~nsHTMLFrameElement()
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{
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}
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NS_IMPL_ADDREF_INHERITED(nsHTMLFrameElement, nsGenericElement);
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NS_IMPL_RELEASE_INHERITED(nsHTMLFrameElement, nsGenericElement);
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NS_IMPL_HTMLCONTENT_QI2(nsHTMLFrameElement, nsGenericHTMLLeafElement,
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nsIDOMHTMLFrameElement, nsIChromeEventHandler);
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nsresult
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nsHTMLFrameElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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NS_ENSURE_ARG_POINTER(aReturn);
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*aReturn = nsnull;
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nsHTMLFrameElement* it = new nsHTMLFrameElement();
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsCOMPtr<nsIDOMNode> kungFuDeathGrip(it);
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nsresult rv = it->Init(mNodeInfo);
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if (NS_FAILED(rv))
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return rv;
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CopyInnerTo(this, it, aDeep);
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*aReturn = NS_STATIC_CAST(nsIDOMNode *, it);
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NS_ADDREF(*aReturn);
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return NS_OK;
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}
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NS_IMPL_STRING_ATTR(nsHTMLFrameElement, FrameBorder, frameborder)
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NS_IMPL_STRING_ATTR(nsHTMLFrameElement, LongDesc, longdesc)
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NS_IMPL_STRING_ATTR(nsHTMLFrameElement, MarginHeight, marginheight)
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NS_IMPL_STRING_ATTR(nsHTMLFrameElement, MarginWidth, marginwidth)
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NS_IMPL_STRING_ATTR(nsHTMLFrameElement, Name, name)
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NS_IMPL_BOOL_ATTR(nsHTMLFrameElement, NoResize, noresize)
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NS_IMPL_STRING_ATTR(nsHTMLFrameElement, Scrolling, scrolling)
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NS_IMPL_STRING_ATTR(nsHTMLFrameElement, Src, src)
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NS_IMETHODIMP
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nsHTMLFrameElement::GetContentDocument(nsIDOMDocument** aContentDocument)
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{
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NS_ENSURE_ARG_POINTER(aContentDocument);
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*aContentDocument = nsnull;
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NS_ENSURE_TRUE(mDocument, NS_OK);
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nsCOMPtr<nsIPresShell> presShell;
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presShell = dont_AddRef(mDocument->GetShellAt(0));
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NS_ENSURE_TRUE(presShell, NS_OK);
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nsCOMPtr<nsISupports> tmp;
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presShell->GetSubShellFor(this, getter_AddRefs(tmp));
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NS_ENSURE_TRUE(tmp, NS_OK);
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nsCOMPtr<nsIWebNavigation> webNav = do_QueryInterface(tmp);
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NS_ENSURE_TRUE(webNav, NS_OK);
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nsCOMPtr<nsIDOMDocument> domDoc;
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webNav->GetDocument(getter_AddRefs(domDoc));
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*aContentDocument = domDoc;
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NS_IF_ADDREF(*aContentDocument);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLFrameElement::SetContentDocument(nsIDOMDocument* aContentDocument)
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{
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return NS_ERROR_DOM_INVALID_MODIFICATION_ERR;
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}
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NS_IMETHODIMP
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nsHTMLFrameElement::StringToAttribute(nsIAtom* aAttribute,
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const nsAReadableString& aValue,
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nsHTMLValue& aResult)
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{
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if (aAttribute == nsHTMLAtoms::bordercolor) {
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if (ParseColor(aValue, mDocument, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::frameborder) {
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// XXX need to check for correct mode
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if (ParseFrameborderValue(PR_FALSE, aValue, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::marginwidth) {
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if (ParseValueOrPercent(aValue, aResult, eHTMLUnit_Pixel)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::marginheight) {
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if (ParseValueOrPercent(aValue, aResult, eHTMLUnit_Pixel)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::noresize) {
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aResult.SetEmptyValue();
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::scrolling) {
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if (ParseScrollingValue(PR_FALSE, aValue, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return NS_CONTENT_ATTR_NOT_THERE;
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}
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NS_IMETHODIMP
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nsHTMLFrameElement::AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsAWritableString& aResult) const
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{
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if (aAttribute == nsHTMLAtoms::frameborder) {
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FrameborderValueToString(PR_FALSE, aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::scrolling) {
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ScrollingValueToString(PR_FALSE, aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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return nsGenericHTMLLeafElement::AttributeToString(aAttribute, aValue,
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aResult);
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}
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NS_IMETHODIMP
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nsHTMLFrameElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
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{
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*aResult = sizeof(*this) + BaseSizeOf(aSizer);
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return NS_OK;
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}
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//*****************************************************************************
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// nsHTMLFrameElement::nsIChromeEventHandler
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//*****************************************************************************
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NS_IMETHODIMP
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nsHTMLFrameElement::HandleChromeEvent(nsIPresContext* aPresContext,
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nsEvent* aEvent,
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nsIDOMEvent** aDOMEvent,
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PRUint32 aFlags,
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nsEventStatus* aEventStatus)
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{
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return HandleDOMEvent(aPresContext, aEvent, aDOMEvent, aFlags,aEventStatus);
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}
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