e3f2944049
- Plugged in style hint for changes to the <HR NOSHADE> attribute. git-svn-id: svn://10.0.0.236/trunk@20724 18797224-902f-48f8-a5cc-f745e15eee43
297 lines
9.0 KiB
C++
297 lines
9.0 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 License
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* Version 1.0 (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"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* 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 Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsIDOMHTMLElement.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 "nsStyleConsts.h"
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#include "nsIPresContext.h"
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#include "nsIHTMLAttributes.h"
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#define _I32_MIN (-2147483647 - 1) /* minimum signed 32 bit value */
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static NS_DEFINE_IID(kIDOMHTMLLayerElementIID, NS_IDOMHTMLELEMENT_IID);
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class nsHTMLLayerElement : public nsIDOMHTMLElement,/* XXX need layer api */
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public nsIScriptObjectOwner,
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public nsIDOMEventReceiver,
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public nsIHTMLContent
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{
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public:
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nsHTMLLayerElement(nsIAtom* aTag);
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virtual ~nsHTMLLayerElement();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIDOMNode
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NS_IMPL_IDOMNODE_USING_GENERIC(mInner)
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// nsIDOMElement
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NS_IMPL_IDOMELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLElement
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NS_IMPL_IDOMHTMLELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLLayerElement
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NS_IMETHOD GetCite(nsString& aCite);
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NS_IMETHOD SetCite(const nsString& aCite);
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// nsIScriptObjectOwner
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NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
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// nsIDOMEventReceiver
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NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC(mInner)
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// nsIContent
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NS_IMPL_ICONTENT_USING_GENERIC(mInner)
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// nsIHTMLContent
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NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
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protected:
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nsGenericHTMLContainerElement mInner;
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};
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nsresult
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NS_NewHTMLLayerElement(nsIHTMLContent** aInstancePtrResult, nsIAtom* aTag)
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{
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NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
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if (nsnull == aInstancePtrResult) {
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return NS_ERROR_NULL_POINTER;
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}
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nsIHTMLContent* it = new nsHTMLLayerElement(aTag);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return it->QueryInterface(kIHTMLContentIID, (void**) aInstancePtrResult);
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}
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nsHTMLLayerElement::nsHTMLLayerElement(nsIAtom* aTag)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aTag);
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}
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nsHTMLLayerElement::~nsHTMLLayerElement()
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{
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}
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NS_IMPL_ADDREF(nsHTMLLayerElement)
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NS_IMPL_RELEASE(nsHTMLLayerElement)
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nsresult
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nsHTMLLayerElement::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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NS_IMPL_HTML_CONTENT_QUERY_INTERFACE(aIID, aInstancePtr, this)
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#if XXX
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if (aIID.Equals(kIDOMHTMLLayerElementIID)) {
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nsIDOMHTMLLayerElement* tmp = this;
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*aInstancePtr = (void*) tmp;
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mRefCnt++;
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return NS_OK;
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}
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#endif
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return NS_NOINTERFACE;
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}
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nsresult
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nsHTMLLayerElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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nsHTMLLayerElement* it = new nsHTMLLayerElement(mInner.mTag);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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mInner.CopyInnerTo(this, &it->mInner, aDeep);
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return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
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}
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NS_IMPL_STRING_ATTR(nsHTMLLayerElement, Cite, cite)
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static nsGenericHTMLElement::EnumTable kVisibilityTable[] = {
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{"hide", NS_STYLE_VISIBILITY_HIDDEN},
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{"visible", NS_STYLE_VISIBILITY_VISIBLE},
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{0}
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};
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NS_IMETHODIMP
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nsHTMLLayerElement::StringToAttribute(nsIAtom* aAttribute,
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const nsString& aValue,
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nsHTMLValue& aResult)
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{
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// XXX CLIP
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if (aAttribute == nsHTMLAtoms::src) {
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nsAutoString src(aValue);
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src.StripWhitespace();
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aResult.SetStringValue(src);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if ((aAttribute == nsHTMLAtoms::left) ||
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(aAttribute == nsHTMLAtoms::top)) {
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if (nsGenericHTMLElement::ParseValue(aValue, _I32_MIN, 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::width) ||
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(aAttribute == nsHTMLAtoms::height)) {
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if (nsGenericHTMLElement::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::zindex) {
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if (nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Integer)) {
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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::visibility) {
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if (nsGenericHTMLElement::ParseEnumValue(aValue, kVisibilityTable, 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::bgcolor) {
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if (nsGenericHTMLElement::ParseColor(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::background) {
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nsAutoString url(aValue);
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url.StripWhitespace();
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aResult.SetStringValue(url);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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// ABOVE, BELOW, OnMouseOver, OnMouseOut, OnFocus, OnBlur, OnLoad
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return NS_CONTENT_ATTR_NOT_THERE;
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}
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NS_IMETHODIMP
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nsHTMLLayerElement::AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsString& aResult) const
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{
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if (aAttribute == nsHTMLAtoms::visibility) {
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if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
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nsGenericHTMLElement::EnumValueToString(aValue, kVisibilityTable, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return mInner.AttributeToString(aAttribute, aValue, aResult);
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}
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static void
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MapAttributesInto(nsIHTMLAttributes* aAttributes,
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nsIStyleContext* aContext,
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nsIPresContext* aPresContext)
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{
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// Note: ua.css specifies that the 'position' is absolute
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if (nsnull != aAttributes) {
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nsHTMLValue value;
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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nsStylePosition* position = (nsStylePosition*)
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aContext->GetMutableStyleData(eStyleStruct_Position);
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// Left
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aAttributes->GetAttribute(nsHTMLAtoms::left, value);
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if (value.GetUnit() == eHTMLUnit_Pixel) {
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nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
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position->mOffset.SetLeft(nsStyleCoord(twips));
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}
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// Top
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aAttributes->GetAttribute(nsHTMLAtoms::top, value);
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if (value.GetUnit() == eHTMLUnit_Pixel) {
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nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
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position->mOffset.SetTop(nsStyleCoord(twips));
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}
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// Width
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aAttributes->GetAttribute(nsHTMLAtoms::width, value);
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if (value.GetUnit() == eHTMLUnit_Pixel) {
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nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
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position->mWidth.SetCoordValue(twips);
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}
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else if (value.GetUnit() == eHTMLUnit_Percent) {
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position->mWidth.SetPercentValue(value.GetPercentValue());
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}
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// Height
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aAttributes->GetAttribute(nsHTMLAtoms::height, value);
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if (value.GetUnit() == eHTMLUnit_Pixel) {
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nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
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position->mHeight.SetCoordValue(twips);
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}
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else if (value.GetUnit() == eHTMLUnit_Percent) {
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position->mHeight.SetPercentValue(value.GetPercentValue());
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}
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// Z-index
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aAttributes->GetAttribute(nsHTMLAtoms::zindex, value);
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if (value.GetUnit() == eHTMLUnit_Integer) {
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position->mZIndex.SetIntValue(value.GetIntValue(), eStyleUnit_Integer);
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}
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// Visibility
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aAttributes->GetAttribute(nsHTMLAtoms::visibility, value);
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if (value.GetUnit() == eHTMLUnit_Enumerated) {
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nsStyleDisplay* display = (nsStyleDisplay*)
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aContext->GetMutableStyleData(eStyleStruct_Display);
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display->mVisible = value.GetIntValue() == NS_STYLE_VISIBILITY_VISIBLE;
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}
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// Background and bgcolor
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nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aContext, aPresContext);
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
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}
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NS_IMETHODIMP
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nsHTMLLayerElement::GetAttributeMappingFunction(nsMapAttributesFunc& aMapFunc) const
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{
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aMapFunc = &MapAttributesInto;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLLayerElement::HandleDOMEvent(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 mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
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aFlags, aEventStatus);
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}
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NS_IMETHODIMP
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nsHTMLLayerElement::GetStyleHintForAttributeChange(
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const nsIAtom* aAttribute,
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PRInt32 *aHint) const
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{
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nsGenericHTMLElement::GetStyleHintForCommonAttributes(this, aAttribute, aHint);
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return NS_OK;
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}
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