246 lines
7.1 KiB
C++
246 lines
7.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIDOMHTMLHeadingElement.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 "nsStyleConsts.h"
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#include "nsIPresContext.h"
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#include "nsIHTMLAttributes.h"
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#include "nsIRuleNode.h"
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class nsHTMLHeadingElement : public nsGenericHTMLContainerElement,
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public nsIDOMHTMLHeadingElement
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{
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public:
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nsHTMLHeadingElement();
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virtual ~nsHTMLHeadingElement();
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMNode
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NS_FORWARD_NSIDOMNODE_NO_CLONENODE(nsGenericHTMLContainerElement::)
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// nsIDOMElement
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NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLContainerElement::)
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// nsIDOMHTMLElement
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NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLContainerElement::)
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// nsIDOMHTMLHeadingElement
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NS_DECL_NSIDOMHTMLHEADINGELEMENT
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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 GetMappedAttributeImpact(const nsIAtom* aAttribute, PRInt32 aModType,
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PRInt32& aHint) const;
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NS_IMETHOD GetAttributeMappingFunction(nsMapRuleToAttributesFunc& aMapRuleFunc) const;
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#ifdef DEBUG
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NS_IMETHOD SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const;
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#endif
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};
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nsresult
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NS_NewHTMLHeadingElement(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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nsHTMLHeadingElement* it = new nsHTMLHeadingElement();
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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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nsHTMLHeadingElement::nsHTMLHeadingElement()
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{
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}
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nsHTMLHeadingElement::~nsHTMLHeadingElement()
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{
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}
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NS_IMPL_ADDREF_INHERITED(nsHTMLHeadingElement, nsGenericElement)
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NS_IMPL_RELEASE_INHERITED(nsHTMLHeadingElement, nsGenericElement)
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// QueryInterface implementation for nsHTMLHeadingElement
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NS_HTML_CONTENT_INTERFACE_MAP_BEGIN(nsHTMLHeadingElement,
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nsGenericHTMLContainerElement)
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NS_INTERFACE_MAP_ENTRY(nsIDOMHTMLHeadingElement)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(HTMLHeadingElement)
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NS_HTML_CONTENT_INTERFACE_MAP_END
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nsresult
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nsHTMLHeadingElement::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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nsHTMLHeadingElement* it = new nsHTMLHeadingElement();
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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(nsHTMLHeadingElement, Align, align)
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NS_IMETHODIMP
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nsHTMLHeadingElement::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::align) {
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if (ParseDivAlignValue(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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nsHTMLHeadingElement::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::align) {
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if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
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DivAlignValueToString(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 nsGenericHTMLContainerElement::AttributeToString(aAttribute, aValue,
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aResult);
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}
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static void
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MapAttributesIntoRule(const nsIHTMLMappedAttributes* aAttributes, nsRuleData* aData)
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{
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if (!aData || !aAttributes)
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return;
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if (aData->mTextData && aData->mSID == eStyleStruct_Text) {
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if (aData->mTextData->mTextAlign.GetUnit() == eCSSUnit_Null) {
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// align: enum
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nsHTMLValue value;
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aAttributes->GetAttribute(nsHTMLAtoms::align, value);
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if (value.GetUnit() == eHTMLUnit_Enumerated)
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aData->mTextData->mTextAlign.SetIntValue(value.GetIntValue(), eCSSUnit_Enumerated);
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}
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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NS_IMETHODIMP
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nsHTMLHeadingElement::GetMappedAttributeImpact(const nsIAtom* aAttribute, PRInt32 aModType,
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PRInt32& aHint) const
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{
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if (aAttribute == nsHTMLAtoms::align) {
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aHint = NS_STYLE_HINT_REFLOW;
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}
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else if (!GetCommonMappedAttributesImpact(aAttribute, aHint)) {
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aHint = NS_STYLE_HINT_CONTENT;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLHeadingElement::GetAttributeMappingFunction(nsMapRuleToAttributesFunc& aMapRuleFunc) const
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{
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aMapRuleFunc = &MapAttributesIntoRule;
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return NS_OK;
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}
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#ifdef DEBUG
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NS_IMETHODIMP
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nsHTMLHeadingElement::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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#endif
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