Mozilla/mozilla/layout/html/content/src/nsHTMLObjectElement.cpp

269 lines
7.8 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 1.1 (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/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.
*
* Contributor(s):
*/
#include "nsIDOMHTMLObjectElement.h"
#include "nsIScriptObjectOwner.h"
#include "nsIDOMEventReceiver.h"
#include "nsIHTMLContent.h"
#include "nsGenericHTMLElement.h"
#include "nsHTMLAtoms.h"
#include "nsHTMLIIDs.h"
#include "nsIStyleContext.h"
#include "nsIMutableStyleContext.h"
#include "nsStyleConsts.h"
#include "nsIPresContext.h"
#include "nsDOMError.h"
class nsHTMLObjectElement : public nsGenericHTMLContainerElement,
public nsIDOMHTMLObjectElement
{
public:
nsHTMLObjectElement();
virtual ~nsHTMLObjectElement();
// nsISupports
NS_DECL_ISUPPORTS_INHERITED
// nsIDOMNode
NS_FORWARD_IDOMNODE_NO_CLONENODE(nsGenericHTMLContainerElement::)
// nsIDOMElement
NS_FORWARD_IDOMELEMENT(nsGenericHTMLContainerElement::)
// nsIDOMHTMLElement
NS_FORWARD_IDOMHTMLELEMENT(nsGenericHTMLContainerElement::)
// nsIDOMHTMLObjectElement
NS_DECL_IDOMHTMLOBJECTELEMENT
NS_IMETHOD StringToAttribute(nsIAtom* aAttribute,
const nsAReadableString& aValue,
nsHTMLValue& aResult);
NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
const nsHTMLValue& aValue,
nsAWritableString& aResult) const;
NS_IMETHOD GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
nsMapAttributesFunc& aMapFunc) const;
NS_IMETHOD GetMappedAttributeImpact(const nsIAtom* aAttribute,
PRInt32& aHint) const;
NS_IMETHOD SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const;
};
nsresult
NS_NewHTMLObjectElement(nsIHTMLContent** aInstancePtrResult,
nsINodeInfo *aNodeInfo)
{
NS_ENSURE_ARG_POINTER(aInstancePtrResult);
nsHTMLObjectElement* it = new nsHTMLObjectElement();
if (!it) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult rv = it->Init(aNodeInfo);
if (NS_FAILED(rv)) {
delete it;
return rv;
}
*aInstancePtrResult = NS_STATIC_CAST(nsIHTMLContent *, it);
NS_ADDREF(*aInstancePtrResult);
return NS_OK;
}
nsHTMLObjectElement::nsHTMLObjectElement()
{
}
nsHTMLObjectElement::~nsHTMLObjectElement()
{
}
NS_IMPL_ADDREF_INHERITED(nsHTMLObjectElement, nsGenericElement)
NS_IMPL_RELEASE_INHERITED(nsHTMLObjectElement, nsGenericElement)
NS_IMPL_HTMLCONTENT_QI(nsHTMLObjectElement, nsGenericHTMLContainerElement,
nsIDOMHTMLObjectElement);
nsresult
nsHTMLObjectElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
{
NS_ENSURE_ARG_POINTER(aReturn);
*aReturn = nsnull;
nsHTMLObjectElement* it = new nsHTMLObjectElement();
if (!it) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsCOMPtr<nsIDOMNode> kungFuDeathGrip(it);
nsresult rv = it->Init(mNodeInfo);
if (NS_FAILED(rv))
return rv;
CopyInnerTo(this, it, aDeep);
*aReturn = NS_STATIC_CAST(nsIDOMNode *, it);
NS_ADDREF(*aReturn);
return NS_OK;
}
NS_IMETHODIMP
nsHTMLObjectElement::GetForm(nsIDOMHTMLFormElement** aForm)
{
*aForm = nsnull;/* XXX */
return NS_OK;
}
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Code, code)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Align, align)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Archive, archive)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Border, border)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, CodeBase, codebase)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, CodeType, codetype)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Data, data)
NS_IMPL_BOOL_ATTR(nsHTMLObjectElement, Declare, declare)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Height, height)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Hspace, hspace)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Name, name)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Standby, standby)
NS_IMPL_INT_ATTR(nsHTMLObjectElement, TabIndex, tabindex)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Type, type)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, UseMap, usemap)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Vspace, vspace)
NS_IMPL_STRING_ATTR(nsHTMLObjectElement, Width, width)
NS_IMETHODIMP
nsHTMLObjectElement::GetContentDocument(nsIDOMDocument** aContentDocument)
{
NS_ENSURE_ARG_POINTER(aContentDocument);
*aContentDocument = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsHTMLObjectElement::SetContentDocument(nsIDOMDocument* aContentDocument)
{
return NS_ERROR_DOM_INVALID_MODIFICATION_ERR;
}
NS_IMETHODIMP
nsHTMLObjectElement::StringToAttribute(nsIAtom* aAttribute,
const nsAReadableString& aValue,
nsHTMLValue& aResult)
{
if (aAttribute == nsHTMLAtoms::align) {
if (ParseAlignValue(aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (ParseImageAttribute(aAttribute, aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
return NS_CONTENT_ATTR_NOT_THERE;
}
NS_IMETHODIMP
nsHTMLObjectElement::AttributeToString(nsIAtom* aAttribute,
const nsHTMLValue& aValue,
nsAWritableString& aResult) const
{
if (aAttribute == nsHTMLAtoms::align) {
if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
AlignValueToString(aValue, aResult);
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (ImageAttributeToString(aAttribute, aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
return nsGenericHTMLContainerElement::AttributeToString(aAttribute, aValue,
aResult);
}
static void
MapAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
nsIMutableStyleContext* aContext,
nsIPresContext* aPresContext)
{
nsGenericHTMLElement::MapImageAlignAttributeInto(aAttributes, aContext,
aPresContext);
nsGenericHTMLElement::MapImageAttributesInto(aAttributes, aContext,
aPresContext);
nsGenericHTMLElement::MapImageBorderAttributeInto(aAttributes, aContext,
aPresContext, nsnull);
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext,
aPresContext);
}
NS_IMETHODIMP
nsHTMLObjectElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
PRInt32& aHint) const
{
if (!GetCommonMappedAttributesImpact(aAttribute, aHint)) {
if (!GetImageBorderAttributeImpact(aAttribute, aHint)) {
if (!GetImageMappedAttributesImpact(aAttribute, aHint)) {
if (!GetImageAlignAttributeImpact(aAttribute, aHint)) {
aHint = NS_STYLE_HINT_CONTENT;
}
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsHTMLObjectElement::GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
nsMapAttributesFunc& aMapFunc) const
{
aFontMapFunc = nsnull;
aMapFunc = &MapAttributesInto;
return NS_OK;
}
NS_IMETHODIMP
nsHTMLObjectElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
{
*aResult = sizeof(*this) + BaseSizeOf(aSizer);
return NS_OK;
}