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

316 lines
9.7 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 "nsIDOMHTMLTableColElement.h"
#include "nsIScriptObjectOwner.h"
#include "nsIDOMEventReceiver.h"
#include "nsIHTMLContent.h"
#include "nsIHTMLAttributes.h"
#include "nsGenericHTMLElement.h"
#include "nsHTMLAtoms.h"
#include "nsHTMLIIDs.h"
#include "nsIStyleContext.h"
#include "nsIMutableStyleContext.h"
#include "nsStyleConsts.h"
#include "nsIPresContext.h"
static NS_DEFINE_IID(kIDOMHTMLTableColElementIID, NS_IDOMHTMLTABLECOLELEMENT_IID);
class nsHTMLTableColGroupElement : public nsIDOMHTMLTableColElement,
public nsIJSScriptObject,
public nsIHTMLContent
{
public:
nsHTMLTableColGroupElement(nsINodeInfo *aNodeInfo);
virtual ~nsHTMLTableColGroupElement();
// nsISupports
NS_DECL_ISUPPORTS
// nsIDOMNode
NS_IMPL_IDOMNODE_USING_GENERIC(mInner)
// nsIDOMElement
NS_IMPL_IDOMELEMENT_USING_GENERIC(mInner)
// nsIDOMHTMLElement
NS_IMPL_IDOMHTMLELEMENT_USING_GENERIC(mInner)
// nsIDOMHTMLTableColElement
NS_IMETHOD GetAlign(nsString& aAlign);
NS_IMETHOD SetAlign(const nsString& aAlign);
NS_IMETHOD GetCh(nsString& aCh);
NS_IMETHOD SetCh(const nsString& aCh);
NS_IMETHOD GetChOff(nsString& aChOff);
NS_IMETHOD SetChOff(const nsString& aChOff);
NS_IMETHOD GetSpan(PRInt32* aSpan);
NS_IMETHOD SetSpan(PRInt32 aSpan);
NS_IMETHOD GetVAlign(nsString& aVAlign);
NS_IMETHOD SetVAlign(const nsString& aVAlign);
NS_IMETHOD GetWidth(nsString& aWidth);
NS_IMETHOD SetWidth(const nsString& aWidth);
// nsIJSScriptObject
NS_IMPL_IJSSCRIPTOBJECT_USING_GENERIC(mInner)
// nsIContent
NS_IMPL_ICONTENT_USING_GENERIC(mInner)
// nsIHTMLContent
NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
protected:
nsGenericHTMLContainerElement mInner;
};
nsresult
NS_NewHTMLTableColGroupElement(nsIHTMLContent** aInstancePtrResult,
nsINodeInfo *aNodeInfo)
{
NS_ENSURE_ARG_POINTER(aInstancePtrResult);
NS_ENSURE_ARG_POINTER(aNodeInfo);
nsIHTMLContent* it = new nsHTMLTableColGroupElement(aNodeInfo);
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kIHTMLContentIID, (void**) aInstancePtrResult);
}
nsHTMLTableColGroupElement::nsHTMLTableColGroupElement(nsINodeInfo *aNodeInfo)
{
NS_INIT_REFCNT();
mInner.Init(this, aNodeInfo);
}
nsHTMLTableColGroupElement::~nsHTMLTableColGroupElement()
{
}
NS_IMPL_ADDREF(nsHTMLTableColGroupElement)
NS_IMPL_RELEASE(nsHTMLTableColGroupElement)
nsresult
nsHTMLTableColGroupElement::QueryInterface(REFNSIID aIID, void** aInstancePtr)
{
NS_IMPL_HTML_CONTENT_QUERY_INTERFACE(aIID, aInstancePtr, this)
// DOM treats COLGROUP like COL
if (aIID.Equals(kIDOMHTMLTableColElementIID)) {
nsIDOMHTMLTableColElement* tmp = this;
*aInstancePtr = (void*) tmp;
NS_ADDREF_THIS();
return NS_OK;
}
return NS_NOINTERFACE;
}
nsresult
nsHTMLTableColGroupElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
{
nsHTMLTableColGroupElement* it = new nsHTMLTableColGroupElement(mInner.mNodeInfo);
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
mInner.CopyInnerTo(this, &it->mInner, aDeep);
return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
}
NS_IMPL_STRING_ATTR(nsHTMLTableColGroupElement, Align, align)
NS_IMPL_STRING_ATTR(nsHTMLTableColGroupElement, Ch, ch)
NS_IMPL_STRING_ATTR(nsHTMLTableColGroupElement, ChOff, choff)
NS_IMPL_INT_ATTR(nsHTMLTableColGroupElement, Span, span)
NS_IMPL_STRING_ATTR(nsHTMLTableColGroupElement, VAlign, valign)
NS_IMPL_STRING_ATTR(nsHTMLTableColGroupElement, Width, width)
NS_IMETHODIMP
nsHTMLTableColGroupElement::StringToAttribute(nsIAtom* aAttribute,
const nsString& aValue,
nsHTMLValue& aResult)
{
/* ignore these attributes, stored simply as strings
ch
*/
/* attributes that resolve to integers */
if (aAttribute == nsHTMLAtoms::choff) {
if (nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Integer)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (aAttribute == nsHTMLAtoms::span) {
if (nsGenericHTMLElement::ParseValue(aValue, 1, aResult, eHTMLUnit_Integer)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
/* attributes that resolve to integers or percents or proportions */
else if (aAttribute == nsHTMLAtoms::width) {
if (nsGenericHTMLElement::ParseValueOrPercentOrProportional(aValue, aResult, eHTMLUnit_Pixel)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
/* other attributes */
else if (aAttribute == nsHTMLAtoms::align) {
if (mInner.ParseTableCellHAlignValue(aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (aAttribute == nsHTMLAtoms::valign) {
if (nsGenericHTMLElement::ParseTableVAlignValue(aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
return NS_CONTENT_ATTR_NOT_THERE;
}
NS_IMETHODIMP
nsHTMLTableColGroupElement::AttributeToString(nsIAtom* aAttribute,
const nsHTMLValue& aValue,
nsString& aResult) const
{
/* ignore these attributes, stored already as strings
ch
*/
/* ignore attributes that are of standard types
choff, repeat
*/
if (aAttribute == nsHTMLAtoms::align) {
if (mInner.TableCellHAlignValueToString(aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (aAttribute == nsHTMLAtoms::valign) {
if (nsGenericHTMLElement::TableVAlignValueToString(aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
else if (aAttribute == nsHTMLAtoms::width) {
if (nsGenericHTMLElement::ValueOrPercentOrProportionalToString(aValue, aResult)) {
return NS_CONTENT_ATTR_HAS_VALUE;
}
}
return mInner.AttributeToString(aAttribute, aValue, aResult);
}
static void
MapAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
nsIMutableStyleContext* aContext,
nsIPresContext* aPresContext)
{
NS_PRECONDITION(nsnull!=aContext, "bad style context arg");
NS_PRECONDITION(nsnull!=aPresContext, "bad presentation context arg");
if (nsnull != aAttributes) {
nsHTMLValue value;
nsStyleText* textStyle = nsnull;
// width
aAttributes->GetAttribute(nsHTMLAtoms::width, value);
if (value.GetUnit() != eHTMLUnit_Null) {
nsStylePosition* position = (nsStylePosition*)
aContext->GetMutableStyleData(eStyleStruct_Position);
switch (value.GetUnit()) {
case eHTMLUnit_Percent:
position->mWidth.SetPercentValue(value.GetPercentValue());
break;
case eHTMLUnit_Pixel:
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
position->mWidth.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
break;
case eHTMLUnit_Proportional:
position->mWidth.SetIntValue(value.GetIntValue(), eStyleUnit_Proportional);
break;
default:
break;
}
}
// align: enum
aAttributes->GetAttribute(nsHTMLAtoms::align, value);
if (value.GetUnit() == eHTMLUnit_Enumerated)
{
textStyle = (nsStyleText*)aContext->GetMutableStyleData(eStyleStruct_Text);
textStyle->mTextAlign = value.GetIntValue();
}
// valign: enum
aAttributes->GetAttribute(nsHTMLAtoms::valign, value);
if (value.GetUnit() == eHTMLUnit_Enumerated)
{
if (nsnull==textStyle)
textStyle = (nsStyleText*)aContext->GetMutableStyleData(eStyleStruct_Text);
textStyle->mVerticalAlign.SetIntValue(value.GetIntValue(), eStyleUnit_Enumerated);
}
}
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
}
NS_IMETHODIMP
nsHTMLTableColGroupElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
PRInt32& aHint) const
{
if ((aAttribute == nsHTMLAtoms::width) ||
(aAttribute == nsHTMLAtoms::align) ||
(aAttribute == nsHTMLAtoms::valign)) {
aHint = NS_STYLE_HINT_REFLOW;
}
else if (! nsGenericHTMLElement::GetCommonMappedAttributesImpact(aAttribute, aHint)) {
aHint = NS_STYLE_HINT_CONTENT;
}
return NS_OK;
}
NS_IMETHODIMP
nsHTMLTableColGroupElement::GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
nsMapAttributesFunc& aMapFunc) const
{
aFontMapFunc = nsnull;
aMapFunc = &MapAttributesInto;
return NS_OK;
}
NS_IMETHODIMP
nsHTMLTableColGroupElement::HandleDOMEvent(nsIPresContext* aPresContext,
nsEvent* aEvent,
nsIDOMEvent** aDOMEvent,
PRUint32 aFlags,
nsEventStatus* aEventStatus)
{
return mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
aFlags, aEventStatus);
}
NS_IMETHODIMP
nsHTMLTableColGroupElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
{
return mInner.SizeOf(aSizer, aResult, sizeof(*this));
}