352 lines
11 KiB
C++
352 lines
11 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 1.0 (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.
|
|
*/
|
|
#include "nsIDOMHTMLElement.h"
|
|
#include "nsIScriptObjectOwner.h"
|
|
#include "nsIDOMHTMLLayerElement.h"
|
|
#include "nsIDOMEventReceiver.h"
|
|
#include "nsIDOMDocument.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsIHTMLContent.h"
|
|
#include "nsGenericHTMLElement.h"
|
|
#include "nsHTMLAtoms.h"
|
|
#include "nsHTMLIIDs.h"
|
|
#include "nsIStyleContext.h"
|
|
#include "nsStyleConsts.h"
|
|
#include "nsIPresContext.h"
|
|
#include "nsIHTMLAttributes.h"
|
|
|
|
//#define _I32_MIN (-2147483647 - 1) /* minimum signed 32 bit value */
|
|
|
|
static NS_DEFINE_IID(kIDOMHTMLLayerElementIID, NS_IDOMHTMLLAYERELEMENT_IID);
|
|
static NS_DEFINE_IID(kIDOMDocumentIID, NS_IDOMDOCUMENT_IID);
|
|
|
|
class nsHTMLLayerElement : public nsIDOMHTMLLayerElement,
|
|
public nsIScriptObjectOwner,
|
|
public nsIDOMEventReceiver,
|
|
public nsIHTMLContent
|
|
{
|
|
public:
|
|
nsHTMLLayerElement(nsIAtom* aTag);
|
|
virtual ~nsHTMLLayerElement();
|
|
|
|
// 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)
|
|
|
|
// nsIDOMHTMLLayerElement
|
|
NS_IMETHOD GetTop(PRInt32* aTop);
|
|
NS_IMETHOD SetTop(PRInt32 aTop);
|
|
NS_IMETHOD GetLeft(PRInt32* aLeft);
|
|
NS_IMETHOD SetLeft(PRInt32 aLeft);
|
|
NS_IMETHOD GetVisibility(nsString& aVisibility);
|
|
NS_IMETHOD SetVisibility(const nsString& aVisibility);
|
|
NS_IMETHOD GetBackground(nsString& aBackground);
|
|
NS_IMETHOD SetBackground(const nsString& aBackground);
|
|
NS_IMETHOD GetBgColor(nsString& aBgColor);
|
|
NS_IMETHOD SetBgColor(const nsString& aBgColor);
|
|
NS_IMETHOD GetName(nsString& aName);
|
|
NS_IMETHOD SetName(const nsString& aName);
|
|
NS_IMETHOD GetZIndex(PRInt32* aZIndex);
|
|
NS_IMETHOD SetZIndex(PRInt32 aZIndex);
|
|
NS_IMETHOD GetDocument(nsIDOMDocument** aReturn);
|
|
|
|
// nsIScriptObjectOwner
|
|
NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
|
|
|
|
// nsIDOMEventReceiver
|
|
NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC(mInner)
|
|
|
|
// nsIContent
|
|
NS_IMPL_ICONTENT_USING_GENERIC(mInner)
|
|
|
|
// nsIHTMLContent
|
|
NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
|
|
|
|
protected:
|
|
nsGenericHTMLContainerElement mInner;
|
|
};
|
|
|
|
nsresult
|
|
NS_NewHTMLLayerElement(nsIHTMLContent** aInstancePtrResult, nsIAtom* aTag)
|
|
{
|
|
NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
|
|
if (nsnull == aInstancePtrResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsIHTMLContent* it = new nsHTMLLayerElement(aTag);
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return it->QueryInterface(kIHTMLContentIID, (void**) aInstancePtrResult);
|
|
}
|
|
|
|
nsHTMLLayerElement::nsHTMLLayerElement(nsIAtom* aTag)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
mInner.Init(this, aTag);
|
|
}
|
|
|
|
nsHTMLLayerElement::~nsHTMLLayerElement()
|
|
{
|
|
}
|
|
|
|
NS_IMPL_ADDREF(nsHTMLLayerElement)
|
|
|
|
NS_IMPL_RELEASE(nsHTMLLayerElement)
|
|
|
|
nsresult
|
|
nsHTMLLayerElement::QueryInterface(REFNSIID aIID, void** aInstancePtr)
|
|
{
|
|
NS_IMPL_HTML_CONTENT_QUERY_INTERFACE(aIID, aInstancePtr, this)
|
|
if (aIID.Equals(kIDOMHTMLLayerElementIID)) {
|
|
nsIDOMHTMLLayerElement* tmp = this;
|
|
*aInstancePtr = (void*) tmp;
|
|
mRefCnt++;
|
|
return NS_OK;
|
|
}
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
NS_IMPL_INT_ATTR(nsHTMLLayerElement, Top, top)
|
|
NS_IMPL_INT_ATTR(nsHTMLLayerElement, Left, left)
|
|
NS_IMPL_STRING_ATTR(nsHTMLLayerElement, Visibility, visibility)
|
|
NS_IMPL_STRING_ATTR(nsHTMLLayerElement, Background, background)
|
|
NS_IMPL_STRING_ATTR(nsHTMLLayerElement, BgColor, bgcolor)
|
|
NS_IMPL_STRING_ATTR(nsHTMLLayerElement, Name, name)
|
|
NS_IMPL_INT_ATTR(nsHTMLLayerElement, ZIndex, zindex)
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLLayerElement::GetDocument(nsIDOMDocument** aDocument)
|
|
{
|
|
// XXX This is cheating. We should really return the layer's
|
|
// internal document.
|
|
nsresult result = NS_OK;
|
|
nsIDocument* document;
|
|
|
|
result = mInner.GetDocument(document);
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = document->QueryInterface(kIDOMDocumentIID, (void**)&aDocument);
|
|
NS_RELEASE(document);
|
|
}
|
|
else {
|
|
*aDocument = nsnull;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLLayerElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
|
|
{
|
|
nsHTMLLayerElement* it = new nsHTMLLayerElement(mInner.mTag);
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
mInner.CopyInnerTo(this, &it->mInner, aDeep);
|
|
return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
|
|
}
|
|
|
|
static nsGenericHTMLElement::EnumTable kVisibilityTable[] = {
|
|
{"hidden", NS_STYLE_VISIBILITY_HIDDEN},
|
|
{"visible", NS_STYLE_VISIBILITY_VISIBLE},
|
|
{"show", NS_STYLE_VISIBILITY_VISIBLE},
|
|
{"hide", NS_STYLE_VISIBILITY_HIDDEN},
|
|
{"inherit", NS_STYLE_VISIBILITY_VISIBLE},
|
|
{0}
|
|
};
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLLayerElement::StringToAttribute(nsIAtom* aAttribute,
|
|
const nsString& aValue,
|
|
nsHTMLValue& aResult)
|
|
{
|
|
// XXX CLIP
|
|
if ((aAttribute == nsHTMLAtoms::top) ||
|
|
(aAttribute == nsHTMLAtoms::left) ||
|
|
(aAttribute == nsHTMLAtoms::width) ||
|
|
(aAttribute == nsHTMLAtoms::height)) {
|
|
if (nsGenericHTMLElement::ParseValueOrPercent(aValue, aResult, eHTMLUnit_Pixel)) {
|
|
return NS_CONTENT_ATTR_HAS_VALUE;
|
|
}
|
|
}
|
|
else if ((aAttribute == nsHTMLAtoms::zindex) ||
|
|
(aAttribute == nsHTMLAtoms::z_index)) {
|
|
if (nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Integer)) {
|
|
return NS_CONTENT_ATTR_HAS_VALUE;
|
|
}
|
|
}
|
|
else if (aAttribute == nsHTMLAtoms::visibility) {
|
|
if (nsGenericHTMLElement::ParseEnumValue(aValue, kVisibilityTable, aResult)) {
|
|
return NS_CONTENT_ATTR_HAS_VALUE;
|
|
}
|
|
}
|
|
else if (aAttribute == nsHTMLAtoms::bgcolor) {
|
|
if (nsGenericHTMLElement::ParseColor(aValue, mInner.mDocument, aResult)) {
|
|
return NS_CONTENT_ATTR_HAS_VALUE;
|
|
}
|
|
}
|
|
|
|
// ABOVE, BELOW, OnMouseOver, OnMouseOut, OnFocus, OnBlur, OnLoad
|
|
return NS_CONTENT_ATTR_NOT_THERE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLLayerElement::AttributeToString(nsIAtom* aAttribute,
|
|
const nsHTMLValue& aValue,
|
|
nsString& aResult) const
|
|
{
|
|
if (aAttribute == nsHTMLAtoms::visibility) {
|
|
if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
|
|
nsGenericHTMLElement::EnumValueToString(aValue, kVisibilityTable, aResult);
|
|
return NS_CONTENT_ATTR_HAS_VALUE;
|
|
}
|
|
}
|
|
return mInner.AttributeToString(aAttribute, aValue, aResult);
|
|
}
|
|
|
|
static void
|
|
MapAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
|
|
nsIStyleContext* aContext,
|
|
nsIPresContext* aPresContext)
|
|
{
|
|
// Note: ua.css specifies that the 'position' is absolute
|
|
nsHTMLValue value;
|
|
float p2t;
|
|
aPresContext->GetScaledPixelsToTwips(&p2t);
|
|
nsStylePosition* position = (nsStylePosition*)
|
|
aContext->GetMutableStyleData(eStyleStruct_Position);
|
|
|
|
// Left
|
|
aAttributes->GetAttribute(nsHTMLAtoms::left, value);
|
|
if (value.GetUnit() == eHTMLUnit_Pixel) {
|
|
nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
|
|
position->mOffset.SetLeft(nsStyleCoord(twips));
|
|
}
|
|
else if (value.GetUnit() == eHTMLUnit_Percent) {
|
|
position->mOffset.SetLeft(nsStyleCoord(value.GetPercentValue(), eStyleUnit_Percent));
|
|
}
|
|
|
|
// Top
|
|
aAttributes->GetAttribute(nsHTMLAtoms::top, value);
|
|
if (value.GetUnit() == eHTMLUnit_Pixel) {
|
|
nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
|
|
position->mOffset.SetTop(nsStyleCoord(twips));
|
|
}
|
|
else if (value.GetUnit() == eHTMLUnit_Percent) {
|
|
position->mOffset.SetTop(nsStyleCoord(value.GetPercentValue(), eStyleUnit_Percent));
|
|
}
|
|
|
|
// Width
|
|
aAttributes->GetAttribute(nsHTMLAtoms::width, value);
|
|
if (value.GetUnit() == eHTMLUnit_Pixel) {
|
|
nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
|
|
position->mWidth.SetCoordValue(twips);
|
|
}
|
|
else if (value.GetUnit() == eHTMLUnit_Percent) {
|
|
position->mWidth.SetPercentValue(value.GetPercentValue());
|
|
}
|
|
|
|
// Height
|
|
aAttributes->GetAttribute(nsHTMLAtoms::height, value);
|
|
if (value.GetUnit() == eHTMLUnit_Pixel) {
|
|
nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
|
|
position->mHeight.SetCoordValue(twips);
|
|
}
|
|
else if (value.GetUnit() == eHTMLUnit_Percent) {
|
|
position->mHeight.SetPercentValue(value.GetPercentValue());
|
|
}
|
|
|
|
// Z-index
|
|
aAttributes->GetAttribute(nsHTMLAtoms::zindex, value);
|
|
if (value.GetUnit() == eHTMLUnit_Integer) {
|
|
position->mZIndex.SetIntValue(value.GetIntValue(), eStyleUnit_Integer);
|
|
}
|
|
aAttributes->GetAttribute(nsHTMLAtoms::z_index, value);
|
|
if (value.GetUnit() == eHTMLUnit_Integer) {
|
|
position->mZIndex.SetIntValue(value.GetIntValue(), eStyleUnit_Integer);
|
|
}
|
|
|
|
// Visibility
|
|
aAttributes->GetAttribute(nsHTMLAtoms::visibility, value);
|
|
if (value.GetUnit() == eHTMLUnit_Enumerated) {
|
|
nsStyleDisplay* display = (nsStyleDisplay*)
|
|
aContext->GetMutableStyleData(eStyleStruct_Display);
|
|
|
|
display->mVisible = value.GetIntValue() == NS_STYLE_VISIBILITY_VISIBLE;
|
|
}
|
|
|
|
// Background and bgcolor
|
|
nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aContext, aPresContext);
|
|
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLLayerElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
|
|
PRInt32& aHint) const
|
|
{
|
|
if ((aAttribute == nsHTMLAtoms::visibility) ||
|
|
(aAttribute == nsHTMLAtoms::zindex) ||
|
|
(aAttribute == nsHTMLAtoms::z_index)) {
|
|
aHint = NS_STYLE_HINT_VISUAL;
|
|
}
|
|
else if ((aAttribute == nsHTMLAtoms::left) ||
|
|
(aAttribute == nsHTMLAtoms::top) ||
|
|
(aAttribute == nsHTMLAtoms::width) ||
|
|
(aAttribute == nsHTMLAtoms::height)) {
|
|
aHint = NS_STYLE_HINT_REFLOW;
|
|
}
|
|
else if (! nsGenericHTMLElement::GetCommonMappedAttributesImpact(aAttribute, aHint)) {
|
|
if (! nsGenericHTMLElement::GetBackgroundAttributesImpact(aAttribute, aHint)) {
|
|
aHint = NS_STYLE_HINT_CONTENT;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLLayerElement::GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
|
|
nsMapAttributesFunc& aMapFunc) const
|
|
{
|
|
aFontMapFunc = nsnull;
|
|
aMapFunc = &MapAttributesInto;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLLayerElement::HandleDOMEvent(nsIPresContext& aPresContext,
|
|
nsEvent* aEvent,
|
|
nsIDOMEvent** aDOMEvent,
|
|
PRUint32 aFlags,
|
|
nsEventStatus& aEventStatus)
|
|
{
|
|
return mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
|
|
aFlags, aEventStatus);
|
|
}
|
|
|