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gecko-dev/layout/style/nsCSSStyleRule.cpp

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/* -*- 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.org 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):
* Daniel Glazman <glazman@netscape.com>
*/
#include "nsCOMPtr.h"
#include "nsCSSRule.h"
#include "nsICSSStyleRule.h"
#include "nsICSSDeclaration.h"
#include "nsICSSStyleSheet.h"
#include "nsICSSParser.h"
#include "nsICSSLoader.h"
#include "nsIHTMLContentContainer.h"
#include "nsIURL.h"
#include "nsIStyleContext.h"
#include "nsIMutableStyleContext.h"
#include "nsIPresContext.h"
#include "nsIDocument.h"
#include "nsIDeviceContext.h"
#include "nsIArena.h"
#include "nsIAtom.h"
#include "nsCRT.h"
#include "nsString.h"
#include "nsStyleConsts.h"
#include "nsHTMLAtoms.h"
#include "nsUnitConversion.h"
#include "nsStyleUtil.h"
#include "nsIFontMetrics.h"
#include "nsIDOMCSSStyleSheet.h"
#include "nsIDOMCSSRule.h"
#include "nsIDOMCSSStyleRule.h"
#include "nsIDOMCSSStyleDeclaration.h"
#include "nsIScriptGlobalObject.h"
#include "nsIScriptObjectOwner.h"
#include "nsDOMCSSDeclaration.h"
#include "nsINameSpaceManager.h"
#include "nsINameSpace.h"
#include "nsILookAndFeel.h"
#include "nsIStyleSet.h"
#include "nsISizeOfHandler.h"
// MJA: bug 31816
#include "nsIPresShell.h"
#include "nsIDocShellTreeItem.h"
// - END MJA
// #define DEBUG_REFS
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kCSSFontSID, NS_CSS_FONT_SID);
static NS_DEFINE_IID(kCSSColorSID, NS_CSS_COLOR_SID);
static NS_DEFINE_IID(kCSSTextSID, NS_CSS_TEXT_SID);
static NS_DEFINE_IID(kCSSMarginSID, NS_CSS_MARGIN_SID);
static NS_DEFINE_IID(kCSSPositionSID, NS_CSS_POSITION_SID);
static NS_DEFINE_IID(kCSSListSID, NS_CSS_LIST_SID);
static NS_DEFINE_IID(kCSSDisplaySID, NS_CSS_DISPLAY_SID);
static NS_DEFINE_IID(kCSSTableSID, NS_CSS_TABLE_SID);
static NS_DEFINE_IID(kCSSContentSID, NS_CSS_CONTENT_SID);
static NS_DEFINE_IID(kCSSUserInterfaceSID, NS_CSS_USER_INTERFACE_SID);
static NS_DEFINE_IID(kCSSBreaksSID, NS_CSS_BREAKS_SID);
static NS_DEFINE_IID(kCSSPageSID, NS_CSS_PAGE_SID);
#ifdef INCLUDE_XUL
static NS_DEFINE_IID(kCSSXULSID, NS_CSS_XUL_SID);
#endif
// -- nsCSSSelector -------------------------------
#define NS_IF_COPY(dest,source,type) \
if (nsnull != source) dest = new type(*(source))
#define NS_IF_DELETE(ptr) \
if (nsnull != ptr) { delete ptr; ptr = nsnull; }
#define NS_IF_NEGATED_START(bool,str) \
if (bool) { str.Append(NS_LITERAL_STRING(":not(")); }
#define NS_IF_NEGATED_END(bool,str) \
if (bool) { str.Append(PRUnichar(')')); }
MOZ_DECL_CTOR_COUNTER(nsAtomList)
nsAtomList::nsAtomList(nsIAtom* aAtom)
: mAtom(aAtom),
mNext(nsnull)
{
MOZ_COUNT_CTOR(nsAtomList);
NS_IF_ADDREF(mAtom);
}
nsAtomList::nsAtomList(const nsString& aAtomValue)
: mAtom(nsnull),
mNext(nsnull)
{
MOZ_COUNT_CTOR(nsAtomList);
mAtom = NS_NewAtom(aAtomValue);
}
nsAtomList::nsAtomList(const nsAtomList& aCopy)
: mAtom(aCopy.mAtom),
mNext(nsnull)
{
MOZ_COUNT_CTOR(nsAtomList);
NS_IF_ADDREF(mAtom);
NS_IF_COPY(mNext, aCopy.mNext, nsAtomList);
}
nsAtomList::~nsAtomList(void)
{
MOZ_COUNT_DTOR(nsAtomList);
NS_IF_RELEASE(mAtom);
NS_IF_DELETE(mNext);
}
PRBool nsAtomList::Equals(const nsAtomList* aOther) const
{
if (this == aOther) {
return PR_TRUE;
}
if (nsnull != aOther) {
if (mAtom == aOther->mAtom) {
if (nsnull != mNext) {
return mNext->Equals(aOther->mNext);
}
return PRBool(nsnull == aOther->mNext);
}
}
return PR_FALSE;
}
MOZ_DECL_CTOR_COUNTER(nsAttrSelector)
#ifdef DEBUG_REFS
PRUint32 gAttrSelectorCount=0;
#endif
nsAttrSelector::nsAttrSelector(PRInt32 aNameSpace, const nsString& aAttr)
: mNameSpace(aNameSpace),
mAttr(nsnull),
mFunction(NS_ATTR_FUNC_SET),
mCaseSensitive(1),
mValue(),
mNext(nsnull)
{
MOZ_COUNT_CTOR(nsAttrSelector);
#ifdef DEBUG_REFS
gAttrSelectorCount++;
printf( "nsAttrSelector Instances (ctor): %ld\n", (long)gAttrSelectorCount);
#endif
mAttr = NS_NewAtom(aAttr);
}
nsAttrSelector::nsAttrSelector(PRInt32 aNameSpace, const nsString& aAttr, PRUint8 aFunction,
const nsString& aValue, PRBool aCaseSensitive)
: mNameSpace(aNameSpace),
mAttr(nsnull),
mFunction(aFunction),
mCaseSensitive(aCaseSensitive),
mValue(aValue),
mNext(nsnull)
{
MOZ_COUNT_CTOR(nsAttrSelector);
#ifdef DEBUG_REFS
gAttrSelectorCount++;
printf( "nsAttrSelector Instances (ctor): %ld\n", (long)gAttrSelectorCount);
#endif
mAttr = NS_NewAtom(aAttr);
}
nsAttrSelector::nsAttrSelector(const nsAttrSelector& aCopy)
: mNameSpace(aCopy.mNameSpace),
mAttr(aCopy.mAttr),
mFunction(aCopy.mFunction),
mCaseSensitive(aCopy.mCaseSensitive),
mValue(aCopy.mValue),
mNext(nsnull)
{
MOZ_COUNT_CTOR(nsAttrSelector);
#ifdef DEBUG_REFS
gAttrSelectorCount++;
printf( "nsAttrSelector Instances (cp-ctor): %ld\n", (long)gAttrSelectorCount);
#endif
NS_IF_ADDREF(mAttr);
NS_IF_COPY(mNext, aCopy.mNext, nsAttrSelector);
}
nsAttrSelector::~nsAttrSelector(void)
{
MOZ_COUNT_DTOR(nsAttrSelector);
#ifdef DEBUG_REFS
gAttrSelectorCount--;
printf( "nsAttrSelector Instances (dtor): %ld\n", (long)gAttrSelectorCount);
#endif
NS_IF_RELEASE(mAttr);
NS_IF_DELETE(mNext);
}
PRBool nsAttrSelector::Equals(const nsAttrSelector* aOther) const
{
if (this == aOther) {
return PR_TRUE;
}
if (nsnull != aOther) {
if ((mNameSpace == aOther->mNameSpace) &&
(mAttr == aOther->mAttr) &&
(mFunction == aOther->mFunction) &&
(mCaseSensitive == aOther->mCaseSensitive) &&
mValue.Equals(aOther->mValue)) {
if (nsnull != mNext) {
return mNext->Equals(aOther->mNext);
}
return PRBool(nsnull == aOther->mNext);
}
}
return PR_FALSE;
}
/******************************************************************************
* SizeOf method:
*
* Self (reported as nsAttrSelector's size):
* 1) sizeof(*this) + the size of mAttr atom (if it exists and is unique)
*
* Contained / Aggregated data (not reported as nsAttrSelector's size):
* none
*
* Children / siblings / parents:
* 1) Recurses to the mMext instance which is reported as a seperate instance
*
******************************************************************************/
void nsAttrSelector::SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize)
{
NS_ASSERTION(aSizeOfHandler != nsnull, "SizeOf handler cannot be null");
// first get the unique items collection
UNIQUE_STYLE_ITEMS(uniqueItems);
if(! uniqueItems->AddItem((void*)this)){
return;
}
PRUint32 localSize=0;
// create a tag for this instance
nsCOMPtr<nsIAtom> tag;
tag = getter_AddRefs(NS_NewAtom("nsAttrSelector"));
// get the size of an empty instance and add to the sizeof handler
aSize = sizeof(*this);
// add in the mAttr atom
if (mAttr && uniqueItems->AddItem(mAttr)){
mAttr->SizeOf(aSizeOfHandler, &localSize);
aSize += localSize;
}
aSizeOfHandler->AddSize(tag,aSize);
// recurse to the next one...
if(mNext){
mNext->SizeOf(aSizeOfHandler, localSize);
}
}
MOZ_DECL_CTOR_COUNTER(nsCSSSelector)
#ifdef DEBUG_REFS
PRUint32 gSelectorCount=0;
#endif
nsCSSSelector::nsCSSSelector(void)
: mNameSpace(kNameSpaceID_Unknown), mTag(nsnull),
mIDList(nsnull),
mClassList(nsnull),
mPseudoClassList(nsnull),
mAttrList(nsnull),
mOperator(0),
mNegations(nsnull),
mNext(nsnull)
{
MOZ_COUNT_CTOR(nsCSSSelector);
#ifdef DEBUG_REFS
gSelectorCount++;
printf( "nsCSSSelector Instances (ctor): %ld\n", (long)gSelectorCount);
#endif
}
nsCSSSelector::nsCSSSelector(const nsCSSSelector& aCopy)
: mNameSpace(aCopy.mNameSpace), mTag(aCopy.mTag),
mIDList(nsnull),
mClassList(nsnull),
mPseudoClassList(nsnull),
mAttrList(nsnull),
mOperator(aCopy.mOperator),
mNegations(nsnull),
mNext(nsnull)
{
MOZ_COUNT_CTOR(nsCSSSelector);
NS_IF_ADDREF(mTag);
NS_IF_COPY(mIDList, aCopy.mIDList, nsAtomList);
NS_IF_COPY(mClassList, aCopy.mClassList, nsAtomList);
NS_IF_COPY(mPseudoClassList, aCopy.mPseudoClassList, nsAtomList);
NS_IF_COPY(mAttrList, aCopy.mAttrList, nsAttrSelector);
NS_IF_COPY(mNegations, aCopy.mNegations, nsCSSSelector);
#ifdef DEBUG_REFS
gSelectorCount++;
printf( "nsCSSSelector Instances (cp-ctor): %ld\n", (long)gSelectorCount);
#endif
}
nsCSSSelector::~nsCSSSelector(void)
{
MOZ_COUNT_DTOR(nsCSSSelector);
Reset();
#ifdef DEBUG_REFS
gSelectorCount--;
printf( "nsCSSSelector Instances (dtor): %ld\n", (long)gSelectorCount);
#endif
}
nsCSSSelector& nsCSSSelector::operator=(const nsCSSSelector& aCopy)
{
NS_IF_RELEASE(mTag);
NS_IF_DELETE(mIDList);
NS_IF_DELETE(mClassList);
NS_IF_DELETE(mPseudoClassList);
NS_IF_DELETE(mAttrList);
NS_IF_DELETE(mNegations);
mNameSpace = aCopy.mNameSpace;
mTag = aCopy.mTag;
NS_IF_COPY(mIDList, aCopy.mIDList, nsAtomList);
NS_IF_COPY(mClassList, aCopy.mClassList, nsAtomList);
NS_IF_COPY(mPseudoClassList, aCopy.mPseudoClassList, nsAtomList);
NS_IF_COPY(mAttrList, aCopy.mAttrList, nsAttrSelector);
mOperator = aCopy.mOperator;
NS_IF_COPY(mNegations, aCopy.mNegations, nsCSSSelector);
NS_IF_ADDREF(mTag);
return *this;
}
PRBool nsCSSSelector::Equals(const nsCSSSelector* aOther) const
{
if (this == aOther) {
return PR_TRUE;
}
if (nsnull != aOther) {
if ((aOther->mNameSpace == mNameSpace) &&
(aOther->mTag == mTag) &&
(aOther->mOperator == mOperator)) {
if (nsnull != mIDList) {
if (PR_FALSE == mIDList->Equals(aOther->mIDList)) {
return PR_FALSE;
}
}
else {
if (nsnull != aOther->mIDList) {
return PR_FALSE;
}
}
if (nsnull != mClassList) {
if (PR_FALSE == mClassList->Equals(aOther->mClassList)) {
return PR_FALSE;
}
}
else {
if (nsnull != aOther->mClassList) {
return PR_FALSE;
}
}
if (nsnull != mPseudoClassList) {
if (PR_FALSE == mPseudoClassList->Equals(aOther->mPseudoClassList)) {
return PR_FALSE;
}
}
else {
if (nsnull != aOther->mPseudoClassList) {
return PR_FALSE;
}
}
if (nsnull != mAttrList) {
if (PR_FALSE == mAttrList->Equals(aOther->mAttrList)) {
return PR_FALSE;
}
}
else {
if (nsnull != aOther->mAttrList) {
return PR_FALSE;
}
}
if (nsnull != mNegations) {
if (PR_FALSE == mNegations->Equals(aOther->mNegations)) {
return PR_FALSE;
}
}
return PR_TRUE;
}
}
return PR_FALSE;
}
void nsCSSSelector::Reset(void)
{
mNameSpace = kNameSpaceID_Unknown;
NS_IF_RELEASE(mTag);
NS_IF_DELETE(mIDList);
NS_IF_DELETE(mClassList);
NS_IF_DELETE(mPseudoClassList);
NS_IF_DELETE(mAttrList);
NS_IF_DELETE(mNegations);
mOperator = PRUnichar(0);
}
void nsCSSSelector::SetNameSpace(PRInt32 aNameSpace)
{
mNameSpace = aNameSpace;
}
void nsCSSSelector::SetTag(const nsString& aTag)
{
NS_IF_RELEASE(mTag);
if (0 < aTag.Length()) {
mTag = NS_NewAtom(aTag);
}
}
void nsCSSSelector::AddID(const nsString& aID)
{
if (0 < aID.Length()) {
nsAtomList** list = &mIDList;
while (nsnull != *list) {
list = &((*list)->mNext);
}
*list = new nsAtomList(aID);
}
}
void nsCSSSelector::AddClass(const nsString& aClass)
{
if (0 < aClass.Length()) {
nsAtomList** list = &mClassList;
while (nsnull != *list) {
list = &((*list)->mNext);
}
*list = new nsAtomList(aClass);
}
}
void nsCSSSelector::AddPseudoClass(const nsString& aPseudoClass)
{
if (0 < aPseudoClass.Length()) {
nsAtomList** list = &mPseudoClassList;
while (nsnull != *list) {
list = &((*list)->mNext);
}
*list = new nsAtomList(aPseudoClass);
}
}
void nsCSSSelector::AddPseudoClass(nsIAtom* aPseudoClass)
{
if (nsnull != aPseudoClass) {
nsAtomList** list = &mPseudoClassList;
while (nsnull != *list) {
list = &((*list)->mNext);
}
*list = new nsAtomList(aPseudoClass);
}
}
void nsCSSSelector::AddAttribute(PRInt32 aNameSpace, const nsString& aAttr)
{
if (0 < aAttr.Length()) {
nsAttrSelector** list = &mAttrList;
while (nsnull != *list) {
list = &((*list)->mNext);
}
*list = new nsAttrSelector(aNameSpace, aAttr);
}
}
void nsCSSSelector::AddAttribute(PRInt32 aNameSpace, const nsString& aAttr, PRUint8 aFunc,
const nsString& aValue, PRBool aCaseSensitive)
{
if (0 < aAttr.Length()) {
nsAttrSelector** list = &mAttrList;
while (nsnull != *list) {
list = &((*list)->mNext);
}
*list = new nsAttrSelector(aNameSpace, aAttr, aFunc, aValue, aCaseSensitive);
}
}
void nsCSSSelector::SetOperator(PRUnichar aOperator)
{
mOperator = aOperator;
}
PRInt32 nsCSSSelector::CalcWeight(void) const
{
PRInt32 weight = 0;
if (nsnull != mTag) {
weight += 0x000001;
}
nsAtomList* list = mIDList;
while (nsnull != list) {
weight += 0x010000;
list = list->mNext;
}
list = mClassList;
while (nsnull != list) {
weight += 0x000100;
list = list->mNext;
}
list = mPseudoClassList;
while (nsnull != list) {
weight += 0x000100;
list = list->mNext;
}
nsAttrSelector* attr = mAttrList;
while (nsnull != attr) {
weight += 0x000100;
attr = attr->mNext;
}
if (nsnull != mNegations) {
weight += mNegations->CalcWeight();
}
return weight;
}
/******************************************************************************
* SizeOf method:
*
* Self (reported as nsCSSSelector's size):
* 1) sizeof(*this) + the size of the mTag
* + the size of the mIDList unique items
* + the size of the mClassList and mPseudoClassList unique items
*
* Contained / Aggregated data (not reported as nsCSSSelector's size):
* 1) AttributeList is called out to seperately if it exists
*
* Children / siblings / parents:
* 1) Recurses to mNext which is counted as it's own instance
*
******************************************************************************/
void nsCSSSelector::SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize)
{
NS_ASSERTION(aSizeOfHandler != nsnull, "SizeOf handler cannot be null");
// first get the unique items collection
UNIQUE_STYLE_ITEMS(uniqueItems);
if(! uniqueItems->AddItem((void*)this)){
return;
}
PRUint32 localSize=0;
// create a tag for this instance
nsCOMPtr<nsIAtom> tag;
tag = getter_AddRefs(NS_NewAtom("nsCSSSelector"));
// get the size of an empty instance and add to the sizeof handler
aSize = sizeof(*this);
// now get the member-atoms and add them in
if(mTag && uniqueItems->AddItem(mTag)){
localSize = 0;
mTag->SizeOf(aSizeOfHandler, &localSize);
aSize += localSize;
}
// a couple of simple atom lists
if(mIDList && uniqueItems->AddItem(mIDList)){
aSize += sizeof(*mIDList);
nsAtomList *pNext = nsnull;
pNext = mIDList;
while(pNext){
if(pNext->mAtom && uniqueItems->AddItem(pNext->mAtom)){
localSize = 0;
pNext->mAtom->SizeOf(aSizeOfHandler, &localSize);
aSize += localSize;
}
pNext = pNext->mNext;
}
}
if(mClassList && uniqueItems->AddItem(mClassList)){
aSize += sizeof(*mClassList);
nsAtomList *pNext = nsnull;
pNext = mClassList;
while(pNext){
if(pNext->mAtom && uniqueItems->AddItem(pNext->mAtom)){
localSize = 0;
pNext->mAtom->SizeOf(aSizeOfHandler, &localSize);
aSize += localSize;
}
pNext = pNext->mNext;
}
}
if(mPseudoClassList && uniqueItems->AddItem(mPseudoClassList)){
nsAtomList *pNext = nsnull;
pNext = mPseudoClassList;
while(pNext){
if(pNext->mAtom && uniqueItems->AddItem(pNext->mAtom)){
localSize = 0;
pNext->mAtom->SizeOf(aSizeOfHandler, &localSize);
aSize += localSize;
}
pNext = pNext->mNext;
}
}
// done with undelegated sizes
aSizeOfHandler->AddSize(tag, aSize);
// the AttributeList gets its own delegation-call
if(mAttrList){
localSize = 0;
mAttrList->SizeOf(aSizeOfHandler, localSize);
}
// don't forget the negated selectors
if(mNegations) {
localSize = 0;
mNegations->SizeOf(aSizeOfHandler, localSize);
}
// finally chain to the next...
if(mNext){
localSize = 0;
mNext->SizeOf(aSizeOfHandler, localSize);
}
}
// pseudo-elements are stored in the selectors' chain using fictional elements;
// these fictional elements have mTag starting with a colon
static PRBool IsPseudoElement(nsIAtom* aAtom)
{
if (aAtom) {
const PRUnichar *str;
aAtom->GetUnicode(&str);
return str && (*str == ':');
}
return PR_FALSE;
}
void nsCSSSelector::AppendNegationToString(nsAWritableString& aString)
{
aString.Append(NS_LITERAL_STRING(":not("));
}
//
// Builds the textual representation of a selector. Called by DOM 2 CSS
// StyleRule:selectorText
//
nsresult nsCSSSelector::ToString( nsAWritableString& aString, nsICSSStyleSheet* aSheet, PRBool aIsPseudoElem,
PRInt8 aNegatedIndex) const
{
const PRUnichar* temp;
PRBool aIsNegated = PRBool(0 < aNegatedIndex);
// selectors are linked from right-to-left, so the next selector in the linked list
// actually precedes this one in the resulting string
if (mNext) {
mNext->ToString(aString, aSheet, IsPseudoElement(mTag), PR_FALSE);
if (!aIsNegated && !IsPseudoElement(mTag)) {
// don't add a leading whitespace if we have a pseudo-element
// or a negated simple selector
aString.Append(PRUnichar(' '));
}
}
if (1 < aNegatedIndex) {
// the first mNegations does not contain a negated type element selector
// or a negated universal selector
NS_IF_NEGATED_START(aIsNegated, aString)
}
// append the namespace prefix
if (mNameSpace > 0) {
nsCOMPtr<nsINameSpace> sheetNS;
aSheet->GetNameSpace(*getter_AddRefs(sheetNS));
nsCOMPtr<nsIAtom> prefixAtom;
// will return null if namespace was the default
sheetNS->FindNameSpacePrefix(mNameSpace, *getter_AddRefs(prefixAtom));
if (prefixAtom) {
const PRUnichar* prefix;
prefixAtom->GetUnicode(&prefix);
aString.Append(prefix);
aString.Append(PRUnichar('|'));
}
}
// smells like a universal selector
if (!mTag && !mIDList && !mClassList) {
if (1 != aNegatedIndex) {
aString.Append(PRUnichar('*'));
}
if (1 < aNegatedIndex) {
NS_IF_NEGATED_END(aIsNegated, aString)
}
} else {
// Append the tag name, if there is one
if (mTag) {
mTag->GetUnicode(&temp);
aString.Append(temp);
NS_IF_NEGATED_END(aIsNegated, aString)
}
// Append the id, if there is one
if (mIDList) {
nsAtomList* list = mIDList;
while (list != nsnull) {
list->mAtom->GetUnicode(&temp);
NS_IF_NEGATED_START(aIsNegated, aString)
aString.Append(PRUnichar('#'));
aString.Append(temp);
NS_IF_NEGATED_END(aIsNegated, aString)
list = list->mNext;
}
}
// Append each class in the linked list
if (mClassList) {
nsAtomList* list = mClassList;
while (list != nsnull) {
list->mAtom->GetUnicode(&temp);
NS_IF_NEGATED_START(aIsNegated, aString)
aString.Append(PRUnichar('.'));
aString.Append(temp);
NS_IF_NEGATED_END(aIsNegated, aString)
list = list->mNext;
}
}
}
// Append each attribute selector in the linked list
if (mAttrList) {
nsAttrSelector* list = mAttrList;
while (list != nsnull) {
NS_IF_NEGATED_START(aIsNegated, aString)
aString.Append(PRUnichar('['));
// Append the namespace prefix
if (list->mNameSpace > 0) {
nsCOMPtr<nsINameSpace> sheetNS;
aSheet->GetNameSpace(*getter_AddRefs(sheetNS));
nsCOMPtr<nsIAtom> prefixAtom;
// will return null if namespace was the default
sheetNS->FindNameSpacePrefix(list->mNameSpace, *getter_AddRefs(prefixAtom));
if (prefixAtom) {
const PRUnichar* prefix;
prefixAtom->GetUnicode(&prefix);
aString.Append(prefix);
aString.Append(PRUnichar('|'));
}
}
// Append the attribute name
list->mAttr->GetUnicode(&temp);
aString.Append(temp);
// Append the function
if (list->mFunction == NS_ATTR_FUNC_EQUALS) {
aString.Append(PRUnichar('='));
} else if (list->mFunction == NS_ATTR_FUNC_INCLUDES) {
aString.Append(PRUnichar('~'));
aString.Append(PRUnichar('='));
} else if (list->mFunction == NS_ATTR_FUNC_DASHMATCH) {
aString.Append(PRUnichar('|'));
aString.Append(PRUnichar('='));
} else if (list->mFunction == NS_ATTR_FUNC_BEGINSMATCH) {
aString.Append(PRUnichar('^'));
aString.Append(PRUnichar('='));
} else if (list->mFunction == NS_ATTR_FUNC_ENDSMATCH) {
aString.Append(PRUnichar('$'));
aString.Append(PRUnichar('='));
} else if (list->mFunction == NS_ATTR_FUNC_CONTAINSMATCH) {
aString.Append(PRUnichar('*'));
aString.Append(PRUnichar('='));
}
// Append the value
aString.Append(list->mValue);
aString.Append(PRUnichar(']'));
NS_IF_NEGATED_END(aIsNegated, aString)
list = list->mNext;
}
}
// Append each pseudo-class in the linked list
if (mPseudoClassList) {
nsAtomList* list = mPseudoClassList;
while (list != nsnull) {
list->mAtom->GetUnicode(&temp);
NS_IF_NEGATED_START(aIsNegated, aString)
aString.Append(temp);
NS_IF_NEGATED_END(aIsNegated, aString)
list = list->mNext;
}
}
if (mNegations) {
// chain all the negated selectors
mNegations->ToString(aString, aSheet, PR_FALSE, aNegatedIndex + 1);
}
// Append the operator only if the selector is not negated and is not
// a pseudo-element
if (!aIsNegated && mOperator && !aIsPseudoElem) {
aString.Append(PRUnichar(' '));
aString.Append(mOperator);
}
return NS_OK;
}
// -- CSSImportantRule -------------------------------
static nscoord CalcLength(const nsCSSValue& aValue, const nsFont& aFont,
nsIPresContext* aPresContext);
static PRBool SetCoord(const nsCSSValue& aValue, nsStyleCoord& aCoord,
const nsStyleCoord& aParentCoord,
PRInt32 aMask, const nsFont& aFont,
nsIPresContext* aPresContext);
static void MapDeclarationFontInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext,
nsIPresContext* aPresContext);
static void MapDeclarationInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext,
nsIPresContext* aPresContext);
class CSSStyleRuleImpl;
class CSSImportantRule : public nsIStyleRule {
public:
CSSImportantRule(nsICSSStyleSheet* aSheet, nsICSSDeclaration* aDeclaration);
NS_DECL_ISUPPORTS
// NS_IMETHOD Equals(const nsIStyleRule* aRule, PRBool& aResult) const;
// NS_IMETHOD HashValue(PRUint32& aValue) const;
NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const;
// Strength is an out-of-band weighting, useful for mapping CSS ! important
NS_IMETHOD GetStrength(PRInt32& aStrength) const;
NS_IMETHOD MapFontStyleInto(nsIMutableStyleContext* aContext, nsIPresContext* aPresContext);
NS_IMETHOD MapStyleInto(nsIMutableStyleContext* aContext, nsIPresContext* aPresContext);
NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const;
virtual void SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize);
protected:
virtual ~CSSImportantRule(void);
nsICSSDeclaration* mDeclaration;
nsICSSStyleSheet* mSheet;
friend class CSSStyleRuleImpl;
};
CSSImportantRule::CSSImportantRule(nsICSSStyleSheet* aSheet, nsICSSDeclaration* aDeclaration)
: mDeclaration(aDeclaration),
mSheet(aSheet)
{
NS_INIT_REFCNT();
NS_IF_ADDREF(mDeclaration);
}
CSSImportantRule::~CSSImportantRule(void)
{
NS_IF_RELEASE(mDeclaration);
}
NS_IMPL_ISUPPORTS(CSSImportantRule, NS_GET_IID(nsIStyleRule));
#if 0
NS_IMETHODIMP
CSSImportantRule::Equals(const nsIStyleRule* aRule, PRBool& aResult) const
{
aResult = PRBool(aRule == this);
return NS_OK;
}
NS_IMETHODIMP
CSSImportantRule::HashValue(PRUint32& aValue) const
{
aValue = PRUint32(mDeclaration);
return NS_OK;
}
#endif
NS_IMETHODIMP
CSSImportantRule::GetStyleSheet(nsIStyleSheet*& aSheet) const
{
NS_IF_ADDREF(mSheet);
aSheet = mSheet;
return NS_OK;
}
// Strength is an out-of-band weighting, useful for mapping CSS ! important
NS_IMETHODIMP
CSSImportantRule::GetStrength(PRInt32& aStrength) const
{
aStrength = 1;
return NS_OK;
}
NS_IMETHODIMP
CSSImportantRule::MapFontStyleInto(nsIMutableStyleContext* aContext, nsIPresContext* aPresContext)
{
MapDeclarationFontInto(mDeclaration, aContext, aPresContext);
return NS_OK;
}
NS_IMETHODIMP
CSSImportantRule::MapStyleInto(nsIMutableStyleContext* aContext, nsIPresContext* aPresContext)
{
MapDeclarationInto(mDeclaration, aContext, aPresContext);
return NS_OK;
}
NS_IMETHODIMP
CSSImportantRule::List(FILE* out, PRInt32 aIndent) const
{
// Indent
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
fputs("! Important rule ", out);
if (nsnull != mDeclaration) {
mDeclaration->List(out);
}
else {
fputs("{ null declaration }", out);
}
fputs("\n", out);
return NS_OK;
}
/******************************************************************************
* SizeOf method:
*
* Self (reported as CSSImportantRule's size):
* 1) sizeof(*this)
*
* Contained / Aggregated data (not reported as CSSImportantRule's size):
* 1) mDeclaration is sized seperately
* 2) mSheet is sized seperately
*
* Children / siblings / parents:
* none
*
******************************************************************************/
void CSSImportantRule::SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize)
{
NS_ASSERTION(aSizeOfHandler != nsnull, "SizeOf handler cannot be null");
// first get the unique items collection
UNIQUE_STYLE_ITEMS(uniqueItems);
if(! uniqueItems->AddItem((void*)this)){
return;
}
PRUint32 localSize=0;
// create a tag for this instance
nsCOMPtr<nsIAtom> tag;
tag = getter_AddRefs(NS_NewAtom("CSSImportantRule"));
// get the size of an empty instance and add to the sizeof handler
aSize = sizeof(CSSImportantRule);
aSizeOfHandler->AddSize(tag,aSize);
// now dump the mDeclaration and mSheet
if(mDeclaration){
mDeclaration->SizeOf(aSizeOfHandler, localSize);
}
if(mSheet){
mSheet->SizeOf(aSizeOfHandler, localSize);
}
}
// -- nsDOMStyleRuleDeclaration -------------------------------
class DOMCSSDeclarationImpl : public nsDOMCSSDeclaration
{
public:
DOMCSSDeclarationImpl(nsICSSStyleRule *aRule);
~DOMCSSDeclarationImpl(void);
NS_IMETHOD RemoveProperty(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn);
virtual void DropReference(void);
virtual nsresult GetCSSDeclaration(nsICSSDeclaration **aDecl,
PRBool aAllocate);
virtual nsresult SetCSSDeclaration(nsICSSDeclaration *aDecl);
virtual nsresult ParseDeclaration(const nsAReadableString& aDecl,
PRBool aParseOnlyOneDecl,
PRBool aClearOldDecl);
virtual nsresult GetParent(nsISupports **aParent);
protected:
nsICSSStyleRule *mRule;
};
MOZ_DECL_CTOR_COUNTER(DOMCSSDeclarationImpl)
DOMCSSDeclarationImpl::DOMCSSDeclarationImpl(nsICSSStyleRule *aRule)
{
MOZ_COUNT_CTOR(DOMCSSDeclarationImpl);
// This reference is not reference-counted. The rule
// object tells us when its about to go away.
mRule = aRule;
}
DOMCSSDeclarationImpl::~DOMCSSDeclarationImpl(void)
{
MOZ_COUNT_DTOR(DOMCSSDeclarationImpl);
}
NS_IMETHODIMP
DOMCSSDeclarationImpl::RemoveProperty(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn)
{
aReturn.Truncate();
nsCOMPtr<nsICSSDeclaration> decl;
nsresult rv = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);
if (NS_SUCCEEDED(rv) && decl) {
nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName);
nsCSSValue val;
rv = decl->RemoveProperty(prop, val);
if (NS_SUCCEEDED(rv)) {
// We pass in eCSSProperty_UNKNOWN here so that we don't get the
// property name in the return string.
val.ToString(aReturn, eCSSProperty_UNKNOWN);
} else {
// If we tried to remove an invalid property or a property that wasn't
// set we simply return success and an empty string
rv = NS_OK;
}
}
return rv;
}
void
DOMCSSDeclarationImpl::DropReference(void)
{
mRule = nsnull;
}
nsresult
DOMCSSDeclarationImpl::GetCSSDeclaration(nsICSSDeclaration **aDecl,
PRBool aAllocate)
{
if (nsnull != mRule) {
*aDecl = mRule->GetDeclaration();
}
else {
*aDecl = nsnull;
}
return NS_OK;
}
nsresult
DOMCSSDeclarationImpl::SetCSSDeclaration(nsICSSDeclaration *aDecl)
{
if (nsnull != mRule) {
mRule->SetDeclaration(aDecl);
}
return NS_OK;
}
nsresult
DOMCSSDeclarationImpl::ParseDeclaration(const nsAReadableString& aDecl,
PRBool aParseOnlyOneDecl,
PRBool aClearOldDecl)
{
nsICSSDeclaration *decl;
nsresult result = GetCSSDeclaration(&decl, PR_TRUE);
if (NS_SUCCEEDED(result) && (decl)) {
nsICSSLoader* cssLoader = nsnull;
nsICSSParser* cssParser = nsnull;
nsIURI* baseURI = nsnull;
nsICSSStyleSheet* cssSheet = nsnull;
nsIDocument* owningDoc = nsnull;
nsIStyleSheet* sheet = nsnull;
if (mRule) {
mRule->GetStyleSheet(sheet);
if (sheet) {
sheet->GetURL(baseURI);
sheet->GetOwningDocument(owningDoc);
sheet->QueryInterface(NS_GET_IID(nsICSSStyleSheet), (void**)&cssSheet);
if (owningDoc) {
nsIHTMLContentContainer* htmlContainer;
result = owningDoc->QueryInterface(NS_GET_IID(nsIHTMLContentContainer), (void**)&htmlContainer);
if (NS_SUCCEEDED(result)) {
result = htmlContainer->GetCSSLoader(cssLoader);
NS_RELEASE(htmlContainer);
}
}
NS_RELEASE(sheet);
}
}
if (cssLoader) {
result = cssLoader->GetParserFor(nsnull, &cssParser);
}
else {
result = NS_NewCSSParser(&cssParser);
}
if (NS_SUCCEEDED(result)) {
nsCOMPtr<nsICSSDeclaration> declClone;
decl->Clone(*getter_AddRefs(declClone));
NS_ENSURE_TRUE(declClone, NS_ERROR_OUT_OF_MEMORY);
if (aClearOldDecl) {
// This should be done with decl->Clear() once such a method exists.
nsAutoString propName;
PRUint32 count, i;
decl->Count(&count);
for (i = 0; i < count; i++) {
decl->GetNthProperty(0, propName);
nsCSSProperty prop = nsCSSProps::LookupProperty(propName);
nsCSSValue val;
decl->RemoveProperty(prop, val);
}
}
PRInt32 hint;
result = cssParser->ParseAndAppendDeclaration(aDecl, baseURI, decl,
aParseOnlyOneDecl, &hint);
if (result == NS_CSS_PARSER_DROP_DECLARATION) {
SetCSSDeclaration(declClone);
result = NS_OK;
} else if (NS_SUCCEEDED(result)) {
if (cssSheet) {
cssSheet->SetModified(PR_TRUE);
}
if (owningDoc) {
owningDoc->StyleRuleChanged(cssSheet, mRule, hint);
}
}
if (cssLoader) {
cssLoader->RecycleParser(cssParser);
}
else {
NS_RELEASE(cssParser);
}
}
NS_IF_RELEASE(cssLoader);
NS_IF_RELEASE(baseURI);
NS_IF_RELEASE(cssSheet);
NS_IF_RELEASE(owningDoc);
NS_RELEASE(decl);
}
return result;
}
nsresult
DOMCSSDeclarationImpl::GetParent(nsISupports **aParent)
{
if (nsnull != mRule) {
return mRule->QueryInterface(kISupportsIID, (void **)aParent);
} else {
NS_ENSURE_ARG_POINTER(aParent);
*aParent = nsnull;
}
return NS_OK;
}
// -- nsCSSStyleRule -------------------------------
class CSSStyleRuleImpl : public nsCSSRule,
public nsICSSStyleRule,
public nsIDOMCSSStyleRule,
public nsIScriptObjectOwner {
public:
CSSStyleRuleImpl(const nsCSSSelector& aSelector);
CSSStyleRuleImpl(const CSSStyleRuleImpl& aCopy);
NS_DECL_ISUPPORTS_INHERITED
// NS_IMETHOD Equals(const nsIStyleRule* aRule, PRBool& aResult) const;
// NS_IMETHOD HashValue(PRUint32& aValue) const;
// Strength is an out-of-band weighting, useful for mapping CSS ! important
NS_IMETHOD GetStrength(PRInt32& aStrength) const;
virtual nsCSSSelector* FirstSelector(void);
virtual void AddSelector(const nsCSSSelector& aSelector);
virtual void DeleteSelector(nsCSSSelector* aSelector);
virtual void SetSourceSelectorText(const nsString& aSelectorText);
virtual void GetSourceSelectorText(nsString& aSelectorText) const;
virtual PRUint32 GetLineNumber(void) const;
virtual void SetLineNumber(PRUint32 aLineNumber);
virtual nsICSSDeclaration* GetDeclaration(void) const;
virtual void SetDeclaration(nsICSSDeclaration* aDeclaration);
virtual PRInt32 GetWeight(void) const;
virtual void SetWeight(PRInt32 aWeight);
virtual nsIStyleRule* GetImportantRule(void);
NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const;
NS_IMETHOD SetStyleSheet(nsICSSStyleSheet* aSheet);
NS_IMETHOD GetType(PRInt32& aType) const;
NS_IMETHOD Clone(nsICSSRule*& aClone) const;
NS_IMETHOD MapFontStyleInto(nsIMutableStyleContext* aContext, nsIPresContext* aPresContext);
NS_IMETHOD MapStyleInto(nsIMutableStyleContext* aContext, nsIPresContext* aPresContext);
NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const;
virtual void SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize);
// nsIDOMCSSRule interface
NS_DECL_IDOMCSSRULE
// nsIDOMCSSStyleRule interface
NS_DECL_IDOMCSSSTYLERULE
// nsIScriptObjectOwner interface
NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject);
NS_IMETHOD SetScriptObject(void* aScriptObject);
private:
// These are not supported and are not implemented!
CSSStyleRuleImpl& operator=(const CSSStyleRuleImpl& aCopy);
protected:
virtual ~CSSStyleRuleImpl(void);
protected:
nsCSSSelector mSelector;
nsICSSDeclaration* mDeclaration;
PRInt32 mWeight;
CSSImportantRule* mImportantRule;
DOMCSSDeclarationImpl* mDOMDeclaration;
void* mScriptObject;
PRUint32 mLineNumber;
};
#ifdef DEBUG_REFS
PRUint32 gStyleRuleCount=0;
#endif
CSSStyleRuleImpl::CSSStyleRuleImpl(const nsCSSSelector& aSelector)
: nsCSSRule(),
mSelector(aSelector), mDeclaration(nsnull),
mWeight(0), mImportantRule(nsnull),
mDOMDeclaration(nsnull),
mScriptObject(nsnull)
{
#ifdef DEBUG_REFS
gStyleRuleCount++;
printf( "CSSStyleRuleImpl Instances (ctor): %ld\n", (long)gStyleRuleCount);
#endif
}
CSSStyleRuleImpl::CSSStyleRuleImpl(const CSSStyleRuleImpl& aCopy)
: nsCSSRule(aCopy),
mSelector(aCopy.mSelector),
mDeclaration(nsnull),
mWeight(aCopy.mWeight),
mImportantRule(nsnull),
mDOMDeclaration(nsnull),
mScriptObject(nsnull)
{
#ifdef DEBUG_REFS
gStyleRuleCount++;
printf( "CSSStyleRuleImpl Instances (cp-ctor): %ld\n", (long)gStyleRuleCount);
#endif
nsCSSSelector* copySel = aCopy.mSelector.mNext;
nsCSSSelector* ourSel = &mSelector;
while (copySel && ourSel) {
ourSel->mNext = new nsCSSSelector(*copySel);
ourSel = ourSel->mNext;
copySel = copySel->mNext;
}
if (aCopy.mDeclaration) {
aCopy.mDeclaration->Clone(mDeclaration);
}
// rest is constructed lazily on existing data
}
CSSStyleRuleImpl::~CSSStyleRuleImpl(void)
{
#ifdef DEBUG_REFS
gStyleRuleCount--;
printf( "CSSStyleRuleImpl Instances (dtor): %ld\n", (long)gStyleRuleCount);
#endif
nsCSSSelector* next = mSelector.mNext;
while (nsnull != next) {
nsCSSSelector* selector = next;
next = selector->mNext;
delete selector;
}
NS_IF_RELEASE(mDeclaration);
if (nsnull != mImportantRule) {
mImportantRule->mSheet = nsnull;
NS_RELEASE(mImportantRule);
}
if (nsnull != mDOMDeclaration) {
mDOMDeclaration->DropReference();
}
}
NS_IMPL_ADDREF_INHERITED(CSSStyleRuleImpl, nsCSSRule);
NS_IMPL_RELEASE_INHERITED(CSSStyleRuleImpl, nsCSSRule);
nsresult CSSStyleRuleImpl::QueryInterface(const nsIID& aIID,
void** aInstancePtrResult)
{
NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
if (nsnull == aInstancePtrResult) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(NS_GET_IID(nsICSSStyleRule))) {
*aInstancePtrResult = (void*) ((nsICSSStyleRule*)this);
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsICSSRule))) {
*aInstancePtrResult = (void*) ((nsICSSRule*)this);
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIStyleRule))) {
*aInstancePtrResult = (void*) ((nsIStyleRule*)this);
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIDOMCSSRule))) {
nsIDOMCSSRule *tmp = this;
*aInstancePtrResult = (void*) tmp;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIDOMCSSStyleRule))) {
nsIDOMCSSStyleRule *tmp = this;
*aInstancePtrResult = (void*) tmp;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsIScriptObjectOwner))) {
nsIScriptObjectOwner *tmp = this;
*aInstancePtrResult = (void*) tmp;
NS_ADDREF_THIS();
return NS_OK;
}
if (aIID.Equals(kISupportsIID)) {
nsICSSStyleRule *tmp = this;
nsISupports *tmp2 = tmp;
*aInstancePtrResult = (void*) tmp2;
NS_ADDREF_THIS();
return NS_OK;
}
return NS_NOINTERFACE;
}
#if 0
NS_IMETHODIMP CSSStyleRuleImpl::Equals(const nsIStyleRule* aRule, PRBool& aResult) const
{
nsICSSStyleRule* iCSSRule;
if (this == aRule) {
aResult = PR_TRUE;
}
else {
aResult = PR_FALSE;
if ((nsnull != aRule) &&
(NS_OK == ((nsIStyleRule*)aRule)->QueryInterface(NS_GET_IID(nsICSSStyleRule), (void**) &iCSSRule))) {
CSSStyleRuleImpl* rule = (CSSStyleRuleImpl*)iCSSRule;
const nsCSSSelector* local = &mSelector;
const nsCSSSelector* other = &(rule->mSelector);
aResult = PR_TRUE;
if ((rule->mDeclaration != mDeclaration) ||
(rule->mWeight != mWeight)) {
aResult = PR_FALSE;
}
while ((PR_TRUE == aResult) && (nsnull != local) && (nsnull != other)) {
if (! local->Equals(other)) {
aResult = PR_FALSE;
}
local = local->mNext;
other = other->mNext;
}
if ((nsnull != local) || (nsnull != other)) { // more were left
aResult = PR_FALSE;
}
NS_RELEASE(iCSSRule);
}
}
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::HashValue(PRUint32& aValue) const
{
aValue = (PRUint32)this;
return NS_OK;
}
#endif
// Strength is an out-of-band weighting, useful for mapping CSS ! important
NS_IMETHODIMP
CSSStyleRuleImpl::GetStrength(PRInt32& aStrength) const
{
aStrength = 0;
return NS_OK;
}
nsCSSSelector* CSSStyleRuleImpl::FirstSelector(void)
{
return &mSelector;
}
void CSSStyleRuleImpl::AddSelector(const nsCSSSelector& aSelector)
{
nsCSSSelector* selector = new nsCSSSelector(aSelector);
nsCSSSelector* last = &mSelector;
while (nsnull != last->mNext) {
last = last->mNext;
}
last->mNext = selector;
}
void CSSStyleRuleImpl::DeleteSelector(nsCSSSelector* aSelector)
{
if (nsnull != aSelector) {
if (&mSelector == aSelector) { // handle first selector
if (nsnull != mSelector.mNext) {
nsCSSSelector* nextOne = mSelector.mNext;
mSelector = *nextOne; // assign values
mSelector.mNext = nextOne->mNext;
delete nextOne;
}
else {
mSelector.Reset();
}
}
else {
nsCSSSelector* selector = &mSelector;
while (nsnull != selector->mNext) {
if (aSelector == selector->mNext) {
selector->mNext = aSelector->mNext;
delete aSelector;
return;
}
selector = selector->mNext;
}
}
}
}
void CSSStyleRuleImpl::SetSourceSelectorText(const nsString& aSelectorText)
{
/* no need for set, since get recreates the string */
}
void CSSStyleRuleImpl::GetSourceSelectorText(nsString& aSelectorText) const
{
mSelector.ToString( aSelectorText, mSheet, IsPseudoElement(mSelector.mTag),
0 );
}
PRUint32 CSSStyleRuleImpl::GetLineNumber(void) const
{
return mLineNumber;
}
void CSSStyleRuleImpl::SetLineNumber(PRUint32 aLineNumber)
{
mLineNumber = aLineNumber;
}
nsICSSDeclaration* CSSStyleRuleImpl::GetDeclaration(void) const
{
nsICSSDeclaration* result = mDeclaration;
NS_IF_ADDREF(result);
return result;
}
void CSSStyleRuleImpl::SetDeclaration(nsICSSDeclaration* aDeclaration)
{
if (mDeclaration != aDeclaration) {
NS_IF_RELEASE(mImportantRule);
NS_IF_RELEASE(mDeclaration);
mDeclaration = aDeclaration;
NS_IF_ADDREF(mDeclaration);
}
}
PRInt32 CSSStyleRuleImpl::GetWeight(void) const
{
return mWeight;
}
void CSSStyleRuleImpl::SetWeight(PRInt32 aWeight)
{
mWeight = aWeight;
}
nsIStyleRule* CSSStyleRuleImpl::GetImportantRule(void)
{
if ((nsnull == mImportantRule) && (nsnull != mDeclaration)) {
nsICSSDeclaration* important;
mDeclaration->GetImportantValues(important);
if (nsnull != important) {
mImportantRule = new CSSImportantRule(mSheet, important);
NS_ADDREF(mImportantRule);
NS_RELEASE(important);
}
}
NS_IF_ADDREF(mImportantRule);
return mImportantRule;
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetStyleSheet(nsIStyleSheet*& aSheet) const
{
return nsCSSRule::GetStyleSheet(aSheet);
}
NS_IMETHODIMP
CSSStyleRuleImpl::SetStyleSheet(nsICSSStyleSheet* aSheet)
{
nsCSSRule::SetStyleSheet(aSheet);
if (nsnull != mImportantRule) { // we're responsible for this guy too
mImportantRule->mSheet = aSheet;
}
return NS_OK;
}
nscoord CalcLength(const nsCSSValue& aValue,
const nsFont& aFont,
nsIPresContext* aPresContext)
{
NS_ASSERTION(aValue.IsLengthUnit(), "not a length unit");
if (aValue.IsFixedLengthUnit()) {
return aValue.GetLengthTwips();
}
nsCSSUnit unit = aValue.GetUnit();
switch (unit) {
case eCSSUnit_EM:
case eCSSUnit_Char:
return NSToCoordRound(aValue.GetFloatValue() * (float)aFont.size);
// XXX scale against font metrics height instead?
case eCSSUnit_EN:
return NSToCoordRound((aValue.GetFloatValue() * (float)aFont.size) / 2.0f);
case eCSSUnit_XHeight: {
nsIFontMetrics* fm;
aPresContext->GetMetricsFor(aFont, &fm);
NS_ASSERTION(nsnull != fm, "can't get font metrics");
nscoord xHeight;
if (nsnull != fm) {
fm->GetXHeight(xHeight);
NS_RELEASE(fm);
}
else {
xHeight = ((aFont.size * 2) / 3);
}
return NSToCoordRound(aValue.GetFloatValue() * (float)xHeight);
}
case eCSSUnit_CapHeight: {
NS_NOTYETIMPLEMENTED("cap height unit");
nscoord capHeight = ((aFont.size / 3) * 2); // XXX HACK!
return NSToCoordRound(aValue.GetFloatValue() * (float)capHeight);
}
case eCSSUnit_Pixel:
float p2t;
aPresContext->GetScaledPixelsToTwips(&p2t);
return NSFloatPixelsToTwips(aValue.GetFloatValue(), p2t);
default:
break;
}
return 0;
}
#define SETCOORD_NORMAL 0x01
#define SETCOORD_AUTO 0x02
#define SETCOORD_INHERIT 0x04
#define SETCOORD_PERCENT 0x08
#define SETCOORD_FACTOR 0x10
#define SETCOORD_LENGTH 0x20
#define SETCOORD_INTEGER 0x40
#define SETCOORD_ENUMERATED 0x80
#define SETCOORD_LP (SETCOORD_LENGTH | SETCOORD_PERCENT)
#define SETCOORD_LH (SETCOORD_LENGTH | SETCOORD_INHERIT)
#define SETCOORD_AH (SETCOORD_AUTO | SETCOORD_INHERIT)
#define SETCOORD_LPH (SETCOORD_LP | SETCOORD_INHERIT)
#define SETCOORD_LPFHN (SETCOORD_LPH | SETCOORD_FACTOR | SETCOORD_NORMAL)
#define SETCOORD_LPAH (SETCOORD_LP | SETCOORD_AH)
#define SETCOORD_LPEH (SETCOORD_LP | SETCOORD_ENUMERATED | SETCOORD_INHERIT)
#define SETCOORD_LE (SETCOORD_LENGTH | SETCOORD_ENUMERATED)
#define SETCOORD_LEH (SETCOORD_LE | SETCOORD_INHERIT)
#define SETCOORD_IA (SETCOORD_INTEGER | SETCOORD_AUTO)
#define SETCOORD_LAE (SETCOORD_LENGTH | SETCOORD_AUTO | SETCOORD_ENUMERATED)
static PRBool SetCoord(const nsCSSValue& aValue, nsStyleCoord& aCoord,
const nsStyleCoord& aParentCoord,
PRInt32 aMask, const nsFont& aFont,
nsIPresContext* aPresContext)
{
PRBool result = PR_TRUE;
if (aValue.GetUnit() == eCSSUnit_Null) {
result = PR_FALSE;
}
else if (((aMask & SETCOORD_LENGTH) != 0) &&
(aValue.GetUnit() == eCSSUnit_Char)) {
aCoord.SetIntValue(NSToIntFloor(aValue.GetFloatValue()), eStyleUnit_Chars);
}
else if (((aMask & SETCOORD_LENGTH) != 0) &&
aValue.IsLengthUnit()) {
aCoord.SetCoordValue(CalcLength(aValue, aFont, aPresContext));
}
else if (((aMask & SETCOORD_PERCENT) != 0) &&
(aValue.GetUnit() == eCSSUnit_Percent)) {
aCoord.SetPercentValue(aValue.GetPercentValue());
}
else if (((aMask & SETCOORD_INTEGER) != 0) &&
(aValue.GetUnit() == eCSSUnit_Integer)) {
aCoord.SetIntValue(aValue.GetIntValue(), eStyleUnit_Integer);
}
else if (((aMask & SETCOORD_ENUMERATED) != 0) &&
(aValue.GetUnit() == eCSSUnit_Enumerated)) {
aCoord.SetIntValue(aValue.GetIntValue(), eStyleUnit_Enumerated);
}
else if (((aMask & SETCOORD_AUTO) != 0) &&
(aValue.GetUnit() == eCSSUnit_Auto)) {
aCoord.SetAutoValue();
}
else if (((aMask & SETCOORD_INHERIT) != 0) &&
(aValue.GetUnit() == eCSSUnit_Inherit)) {
nsStyleUnit unit = aParentCoord.GetUnit();
if ((eStyleUnit_Null == unit) || // parent has explicit computed value
(eStyleUnit_Factor == unit) ||
(eStyleUnit_Coord == unit) ||
(eStyleUnit_Integer == unit) ||
(eStyleUnit_Enumerated == unit) ||
(eStyleUnit_Normal == unit) ||
(eStyleUnit_Chars == unit)) {
aCoord = aParentCoord; // just inherit value from parent
}
else {
aCoord.SetInheritValue(); // needs to be computed by client
}
}
else if (((aMask & SETCOORD_NORMAL) != 0) &&
(aValue.GetUnit() == eCSSUnit_Normal)) {
aCoord.SetNormalValue();
}
else if (((aMask & SETCOORD_FACTOR) != 0) &&
(aValue.GetUnit() == eCSSUnit_Number)) {
aCoord.SetFactorValue(aValue.GetFloatValue());
}
else {
result = PR_FALSE; // didn't set anything
}
return result;
}
static PRBool SetColor(const nsCSSValue& aValue, const nscolor aParentColor,
nsIPresContext* aPresContext, nscolor& aResult)
{
PRBool result = PR_FALSE;
nsCSSUnit unit = aValue.GetUnit();
if (eCSSUnit_Color == unit) {
aResult = aValue.GetColorValue();
result = PR_TRUE;
}
else if (eCSSUnit_String == unit) {
nsAutoString value;
aValue.GetStringValue(value);
nscolor rgba;
if (NS_ColorNameToRGB(value, &rgba)) {
aResult = rgba;
result = PR_TRUE;
}
}
else if (eCSSUnit_Integer == unit) {
nsILookAndFeel* look = nsnull;
if (NS_SUCCEEDED(aPresContext->GetLookAndFeel(&look)) && look) {
nsILookAndFeel::nsColorID colorID = (nsILookAndFeel::nsColorID)aValue.GetIntValue();
if (NS_SUCCEEDED(look->GetColor(colorID, aResult))) {
result = PR_TRUE;
}
NS_RELEASE(look);
}
}
else if (eCSSUnit_Inherit == unit) {
aResult = aParentColor;
result = PR_TRUE;
}
return result;
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetType(PRInt32& aType) const
{
aType = nsICSSRule::STYLE_RULE;
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::Clone(nsICSSRule*& aClone) const
{
CSSStyleRuleImpl* clone = new CSSStyleRuleImpl(*this);
if (clone) {
return clone->QueryInterface(NS_GET_IID(nsICSSRule), (void **)&aClone);
}
aClone = nsnull;
return NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHODIMP
CSSStyleRuleImpl::MapFontStyleInto(nsIMutableStyleContext* aContext, nsIPresContext* aPresContext)
{
MapDeclarationFontInto(mDeclaration, aContext, aPresContext);
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::MapStyleInto(nsIMutableStyleContext* aContext, nsIPresContext* aPresContext)
{
MapDeclarationInto(mDeclaration, aContext, aPresContext);
return NS_OK;
}
nsString& Unquote(nsString& aString)
{
PRUnichar start = aString.First();
PRUnichar end = aString.Last();
if ((start == end) &&
((start == PRUnichar('\"')) ||
(start == PRUnichar('\'')))) {
PRInt32 length = aString.Length();
aString.Truncate(length - 1);
aString.Cut(0, 1);
}
return aString;
}
static void
MapDeclarationFontInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIPresContext* aPresContext)
{
if (nsnull != aDeclaration) {
nsIStyleContext* parentContext = aContext->GetParent();
nsStyleFont* font = (nsStyleFont*)aContext->GetMutableStyleData(eStyleStruct_Font);
const nsStyleFont* parentFont = font;
if (nsnull != parentContext) {
parentFont = (const nsStyleFont*)parentContext->GetStyleData(eStyleStruct_Font);
}
nsCSSFont* ourFont;
if (NS_OK == aDeclaration->GetData(kCSSFontSID, (nsCSSStruct**)&ourFont)) {
if (nsnull != ourFont) {
const nsFont& defaultFont = aPresContext->GetDefaultFontDeprecated();
const nsFont& defaultFixedFont = aPresContext->GetDefaultFixedFontDeprecated();
// font-family: string list, enum, inherit
if (eCSSUnit_String == ourFont->mFamily.GetUnit()) {
nsCOMPtr<nsIDeviceContext> dc;
aPresContext->GetDeviceContext(getter_AddRefs(dc));
if (dc) {
nsAutoString familyList;
ourFont->mFamily.GetStringValue(familyList);
font->mFont.name = familyList;
nsAutoString face;
// MJA: bug 31816
// if we are not using document fonts, but this is a xul document,
// then we set the chromeOverride bit so we use the document fonts anyway
PRBool chromeOverride = PR_FALSE;
PRBool useDocumentFonts = PR_TRUE;
aPresContext->GetCachedBoolPref(kPresContext_UseDocumentFonts,useDocumentFonts);
if (!useDocumentFonts) {
// check if the prefs have been disabled for this shell
// - if prefs are disabled then we use the document fonts anyway (yet another override)
PRBool prefsEnabled = PR_TRUE;
nsCOMPtr<nsIPresShell> shell;
aPresContext->GetShell(getter_AddRefs(shell));
if (shell) {
shell->ArePrefStyleRulesEnabled(prefsEnabled);
}
if (!prefsEnabled) {
useDocumentFonts = PR_TRUE;
} else {
// see if we are in the chrome, if so, use the document fonts (override the useDocFonts setting)
nsresult result = NS_OK;
nsCOMPtr<nsISupports> container;
result = aPresContext->GetContainer(getter_AddRefs(container));
if (NS_SUCCEEDED(result) && container) {
nsCOMPtr<nsIDocShellTreeItem> docShell(do_QueryInterface(container, &result));
if (NS_SUCCEEDED(result) && docShell){
PRInt32 docShellType;
result = docShell->GetItemType(&docShellType);
if (NS_SUCCEEDED(result)){
if (nsIDocShellTreeItem::typeChrome == docShellType){
chromeOverride = PR_TRUE;
}
}
}
}
}
}
// find the correct font if we are usingDocumentFonts OR we are overriding for XUL
// MJA: bug 31816
PRBool fontFaceOK = PR_TRUE;
PRBool isMozFixed = font->mFont.name.EqualsIgnoreCase("-moz-fixed");
if ((chromeOverride || useDocumentFonts)) {
fontFaceOK = (NS_OK == dc->FirstExistingFont(font->mFont, face));
}
if (!fontFaceOK || !(chromeOverride || useDocumentFonts)) {
// now set to defaults
font->mFont.name = defaultFont.name;
font->mFixedFont.name= defaultFixedFont.name;
}
// set to monospace if using moz-fixed
if (isMozFixed) {
font->mFlags |= NS_STYLE_FONT_USE_FIXED;
} else {
font->mFlags &= ~NS_STYLE_FONT_USE_FIXED;
}
font->mFlags |= NS_STYLE_FONT_FACE_EXPLICIT;
}
}
else if (eCSSUnit_Enumerated == ourFont->mFamily.GetUnit()) {
nsSystemAttrID sysID;
switch (ourFont->mFamily.GetIntValue()) {
case NS_STYLE_FONT_CAPTION: sysID = eSystemAttr_Font_Caption; break; // css2
case NS_STYLE_FONT_ICON: sysID = eSystemAttr_Font_Icon; break;
case NS_STYLE_FONT_MENU: sysID = eSystemAttr_Font_Menu; break;
case NS_STYLE_FONT_MESSAGE_BOX: sysID = eSystemAttr_Font_MessageBox; break;
case NS_STYLE_FONT_SMALL_CAPTION: sysID = eSystemAttr_Font_SmallCaption; break;
case NS_STYLE_FONT_STATUS_BAR: sysID = eSystemAttr_Font_StatusBar; break;
case NS_STYLE_FONT_WINDOW: sysID = eSystemAttr_Font_Window; break; // css3
case NS_STYLE_FONT_DOCUMENT: sysID = eSystemAttr_Font_Document; break;
case NS_STYLE_FONT_WORKSPACE: sysID = eSystemAttr_Font_Workspace; break;
case NS_STYLE_FONT_DESKTOP: sysID = eSystemAttr_Font_Desktop; break;
case NS_STYLE_FONT_INFO: sysID = eSystemAttr_Font_Info; break;
case NS_STYLE_FONT_DIALOG: sysID = eSystemAttr_Font_Dialog; break;
case NS_STYLE_FONT_BUTTON: sysID = eSystemAttr_Font_Button; break;
case NS_STYLE_FONT_PULL_DOWN_MENU:sysID = eSystemAttr_Font_PullDownMenu; break;
case NS_STYLE_FONT_LIST: sysID = eSystemAttr_Font_List; break;
case NS_STYLE_FONT_FIELD: sysID = eSystemAttr_Font_Field; break;
}
nsCompatibility mode;
aPresContext->GetCompatibilityMode(&mode);
nsCOMPtr<nsIDeviceContext> dc;
aPresContext->GetDeviceContext(getter_AddRefs(dc));
if (dc) {
SystemAttrStruct sysInfo;
sysInfo.mFont = &font->mFont;
font->mFont.size = defaultFont.size; // GetSystemAttribute sets the font face but not necessarily the size
if (NS_FAILED(dc->GetSystemAttribute(sysID, &sysInfo))) {
font->mFont.name = defaultFont.name;
font->mFixedFont.name = defaultFixedFont.name;
}
font->mFlags |= NS_STYLE_FONT_FACE_EXPLICIT;
}
// NavQuirks uses sans-serif instead of whatever the native font is
if (eCompatibility_NavQuirks == mode) {
#ifdef XP_MAC
switch (sysID) {
case eSystemAttr_Font_Field:
case eSystemAttr_Font_List:
font->mFont.name.AssignWithConversion("monospace");
font->mFont.size = defaultFixedFont.size;
break;
case eSystemAttr_Font_Button:
font->mFont.name.AssignWithConversion("serif");
font->mFont.size = defaultFont.size;
break;
}
#endif
#ifdef XP_PC
switch (sysID) {
case eSystemAttr_Font_Field:
font->mFont.name.AssignWithConversion("monospace");
font->mFont.size = defaultFixedFont.size;
break;
case eSystemAttr_Font_Button:
case eSystemAttr_Font_List:
font->mFont.name.AssignWithConversion("sans-serif");
font->mFont.size = PR_MAX(defaultFont.size - NSIntPointsToTwips(2), 0);
break;
}
#endif
#ifdef XP_UNIX
switch (sysID) {
case eSystemAttr_Font_Field:
font->mFont.name.AssignWithConversion("monospace");
font->mFont.size = defaultFixedFont.size;
break;
case eSystemAttr_Font_Button:
case eSystemAttr_Font_List:
font->mFont.name.AssignWithConversion("serif");
font->mFont.size = defaultFont.size;
break;
}
#endif
}
}
else if (eCSSUnit_Inherit == ourFont->mFamily.GetUnit()) {
font->mFont.name = parentFont->mFont.name;
font->mFixedFont.name = parentFont->mFixedFont.name;
font->mFlags &= ~(NS_STYLE_FONT_FACE_EXPLICIT | NS_STYLE_FONT_USE_FIXED);
font->mFlags |= (parentFont->mFlags & (NS_STYLE_FONT_FACE_EXPLICIT | NS_STYLE_FONT_USE_FIXED));
}
// font-style: enum, normal, inherit
if (eCSSUnit_Enumerated == ourFont->mStyle.GetUnit()) {
font->mFont.style = ourFont->mStyle.GetIntValue();
font->mFixedFont.style = ourFont->mStyle.GetIntValue();
}
else if (eCSSUnit_Normal == ourFont->mStyle.GetUnit()) {
font->mFont.style = NS_STYLE_FONT_STYLE_NORMAL;
font->mFixedFont.style = NS_STYLE_FONT_STYLE_NORMAL;
}
else if (eCSSUnit_Inherit == ourFont->mStyle.GetUnit()) {
font->mFont.style = parentFont->mFont.style;
font->mFixedFont.style = parentFont->mFixedFont.style;
}
// font-variant: enum, normal, inherit
if (eCSSUnit_Enumerated == ourFont->mVariant.GetUnit()) {
font->mFont.variant = ourFont->mVariant.GetIntValue();
font->mFixedFont.variant = ourFont->mVariant.GetIntValue();
}
else if (eCSSUnit_Normal == ourFont->mVariant.GetUnit()) {
font->mFont.variant = NS_STYLE_FONT_VARIANT_NORMAL;
font->mFixedFont.variant = NS_STYLE_FONT_VARIANT_NORMAL;
}
else if (eCSSUnit_Inherit == ourFont->mVariant.GetUnit()) {
font->mFont.variant = parentFont->mFont.variant;
font->mFixedFont.variant = parentFont->mFixedFont.variant;
}
// font-weight: int, enum, normal, inherit
if (eCSSUnit_Integer == ourFont->mWeight.GetUnit()) {
font->mFont.weight = ourFont->mWeight.GetIntValue();
font->mFixedFont.weight = ourFont->mWeight.GetIntValue();
}
else if (eCSSUnit_Enumerated == ourFont->mWeight.GetUnit()) {
PRInt32 value = ourFont->mWeight.GetIntValue();
switch (value) {
case NS_STYLE_FONT_WEIGHT_NORMAL:
case NS_STYLE_FONT_WEIGHT_BOLD:
font->mFont.weight = value;
font->mFixedFont.weight = value;
break;
case NS_STYLE_FONT_WEIGHT_BOLDER:
case NS_STYLE_FONT_WEIGHT_LIGHTER:
font->mFont.weight = nsStyleUtil::ConstrainFontWeight(parentFont->mFont.weight + value);
font->mFixedFont.weight = nsStyleUtil::ConstrainFontWeight(parentFont->mFixedFont.weight + value);
break;
}
}
else if (eCSSUnit_Normal == ourFont->mWeight.GetUnit()) {
font->mFont.weight = NS_STYLE_FONT_WEIGHT_NORMAL;
font->mFixedFont.weight = NS_STYLE_FONT_WEIGHT_NORMAL;
}
else if (eCSSUnit_Inherit == ourFont->mWeight.GetUnit()) {
font->mFont.weight = parentFont->mFont.weight;
font->mFixedFont.weight = parentFont->mFixedFont.weight;
}
// font-size: enum, length, percent, inherit
if (eCSSUnit_Enumerated == ourFont->mSize.GetUnit()) {
PRInt32 value = ourFont->mSize.GetIntValue();
PRInt32 scaler;
aPresContext->GetFontScaler(&scaler);
float scaleFactor = nsStyleUtil::GetScalingFactor(scaler);
if ((NS_STYLE_FONT_SIZE_XXSMALL <= value) &&
(value <= NS_STYLE_FONT_SIZE_XXLARGE)) {
font->mFont.size = nsStyleUtil::CalcFontPointSize(value, (PRInt32)defaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
font->mFixedFont.size = nsStyleUtil::CalcFontPointSize(value, (PRInt32)defaultFixedFont.size, scaleFactor, aPresContext, eFontSize_CSS);
}
else if (NS_STYLE_FONT_SIZE_LARGER == value) {
PRInt32 index = nsStyleUtil::FindNextLargerFontSize(parentFont->mFont.size, (PRInt32)defaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
font->mFont.size = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
font->mFixedFont.size = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFixedFont.size, scaleFactor, aPresContext, eFontSize_CSS);
}
else if (NS_STYLE_FONT_SIZE_SMALLER == value) {
PRInt32 index = nsStyleUtil::FindNextSmallerFontSize(parentFont->mFont.size, (PRInt32)defaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
font->mFont.size = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFont.size, scaleFactor, aPresContext, eFontSize_CSS);
font->mFixedFont.size = nsStyleUtil::CalcFontPointSize(index, (PRInt32)defaultFixedFont.size, scaleFactor, aPresContext, eFontSize_CSS);
}
// this does NOT explicitly set font size
font->mFlags &= ~NS_STYLE_FONT_SIZE_EXPLICIT;
}
else if (ourFont->mSize.IsLengthUnit()) {
font->mFont.size = CalcLength(ourFont->mSize, parentFont->mFont, aPresContext);
font->mFixedFont.size = CalcLength(ourFont->mSize, parentFont->mFixedFont, aPresContext);
font->mFlags |= NS_STYLE_FONT_SIZE_EXPLICIT;
}
else if (eCSSUnit_Percent == ourFont->mSize.GetUnit()) {
font->mFont.size = (nscoord)((float)(parentFont->mFont.size) * ourFont->mSize.GetPercentValue());
font->mFixedFont.size = (nscoord)((float)(parentFont->mFixedFont.size) * ourFont->mSize.GetPercentValue());
font->mFlags |= NS_STYLE_FONT_SIZE_EXPLICIT;
}
else if (eCSSUnit_Inherit == ourFont->mSize.GetUnit()) {
font->mFont.size = parentFont->mFont.size;
font->mFixedFont.size = parentFont->mFixedFont.size;
font->mFlags &= ~NS_STYLE_FONT_SIZE_EXPLICIT;
font->mFlags |= (parentFont->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT);
}
}
}
NS_IF_RELEASE(parentContext);
}
}
static void
MapDeclarationTextInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
const nsStyleFont* parentFont = aFont;
if (nsnull != aParentContext) {
parentFont = (const nsStyleFont*)aParentContext->GetStyleData(eStyleStruct_Font);
}
nsCSSText* ourText;
if (NS_OK == aDeclaration->GetData(kCSSTextSID, (nsCSSStruct**)&ourText)) {
if (nsnull != ourText) {
// Get our text style and our parent's text style
nsStyleText* text = (nsStyleText*) aContext->GetMutableStyleData(eStyleStruct_Text);
const nsStyleText* parentText = text;
if (nsnull != aParentContext) {
parentText = (const nsStyleText*)aParentContext->GetStyleData(eStyleStruct_Text);
}
// letter-spacing: normal, length, inherit
SetCoord(ourText->mLetterSpacing, text->mLetterSpacing, parentText->mLetterSpacing,
SETCOORD_LH | SETCOORD_NORMAL, aFont->mFont, aPresContext);
// line-height: normal, number, length, percent, inherit
SetCoord(ourText->mLineHeight, text->mLineHeight, parentText->mLineHeight,
SETCOORD_LPFHN, aFont->mFont, aPresContext);
// text-align: enum, string, inherit
if (eCSSUnit_Enumerated == ourText->mTextAlign.GetUnit()) {
text->mTextAlign = ourText->mTextAlign.GetIntValue();
}
else if (eCSSUnit_String == ourText->mTextAlign.GetUnit()) {
NS_NOTYETIMPLEMENTED("align string");
}
else if (eCSSUnit_Inherit == ourText->mTextAlign.GetUnit()) {
text->mTextAlign = parentText->mTextAlign;
}
// text-indent: length, percent, inherit
SetCoord(ourText->mTextIndent, text->mTextIndent, parentText->mTextIndent,
SETCOORD_LPH, aFont->mFont, aPresContext);
// text-decoration: none, enum (bit field), inherit
if (eCSSUnit_Enumerated == ourText->mDecoration.GetUnit()) {
PRInt32 td = ourText->mDecoration.GetIntValue();
aFont->mFont.decorations = (parentFont->mFont.decorations | td);
aFont->mFixedFont.decorations = (parentFont->mFixedFont.decorations | td);
text->mTextDecoration = td;
}
else if (eCSSUnit_None == ourText->mDecoration.GetUnit()) {
aFont->mFont.decorations = parentFont->mFont.decorations;
aFont->mFixedFont.decorations = parentFont->mFixedFont.decorations;
text->mTextDecoration = NS_STYLE_TEXT_DECORATION_NONE;
}
else if (eCSSUnit_Inherit == ourText->mDecoration.GetUnit()) {
aFont->mFont.decorations = parentFont->mFont.decorations;
aFont->mFixedFont.decorations = parentFont->mFixedFont.decorations;
text->mTextDecoration = parentText->mTextDecoration;
}
// text-transform: enum, none, inherit
if (eCSSUnit_Enumerated == ourText->mTextTransform.GetUnit()) {
text->mTextTransform = ourText->mTextTransform.GetIntValue();
}
else if (eCSSUnit_None == ourText->mTextTransform.GetUnit()) {
text->mTextTransform = NS_STYLE_TEXT_TRANSFORM_NONE;
}
else if (eCSSUnit_Inherit == ourText->mTextTransform.GetUnit()) {
text->mTextTransform = parentText->mTextTransform;
}
// vertical-align: enum, length, percent, inherit
if (! SetCoord(ourText->mVerticalAlign, text->mVerticalAlign, parentText->mVerticalAlign,
SETCOORD_LPH | SETCOORD_ENUMERATED, aFont->mFont, aPresContext)) {
}
// white-space: enum, normal, inherit
if (eCSSUnit_Enumerated == ourText->mWhiteSpace.GetUnit()) {
text->mWhiteSpace = ourText->mWhiteSpace.GetIntValue();
}
else if (eCSSUnit_Normal == ourText->mWhiteSpace.GetUnit()) {
text->mWhiteSpace = NS_STYLE_WHITESPACE_NORMAL;
}
else if (eCSSUnit_Inherit == ourText->mWhiteSpace.GetUnit()) {
text->mWhiteSpace = parentText->mWhiteSpace;
}
// word-spacing: normal, length, inherit
SetCoord(ourText->mWordSpacing, text->mWordSpacing, parentText->mWordSpacing,
SETCOORD_LH | SETCOORD_NORMAL, aFont->mFont, aPresContext);
#ifdef IBMBIDI
// unicode-bidi: enum, normal, inherit
// normal means that override prohibited
if (eCSSUnit_Normal == ourText->mUnicodeBidi.GetUnit() ) {
text->mUnicodeBidi = NS_STYLE_UNICODE_BIDI_NORMAL;
}
else {
if (eCSSUnit_Enumerated == ourText->mUnicodeBidi.GetUnit() ) {
text->mUnicodeBidi = ourText->mUnicodeBidi.GetIntValue();
}
if (NS_STYLE_UNICODE_BIDI_INHERIT == text->mUnicodeBidi) {
text->mUnicodeBidi = parentText->mUnicodeBidi;
}
}
#endif // IBMBIDI
}
}
}
static void
MapDeclarationDisplayInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
nsCSSDisplay* ourDisplay;
if (NS_OK == aDeclaration->GetData(kCSSDisplaySID, (nsCSSStruct**)&ourDisplay)) {
if (nsnull != ourDisplay) {
// Get our style and our parent's style
nsStyleDisplay* display = (nsStyleDisplay*)
aContext->GetMutableStyleData(eStyleStruct_Display);
const nsStyleDisplay* parentDisplay = display;
if (nsnull != aParentContext) {
parentDisplay = (const nsStyleDisplay*)aParentContext->GetStyleData(eStyleStruct_Display);
}
// display: enum, none, inherit
if (eCSSUnit_Enumerated == ourDisplay->mDisplay.GetUnit()) {
display->mDisplay = ourDisplay->mDisplay.GetIntValue();
}
else if (eCSSUnit_None == ourDisplay->mDisplay.GetUnit()) {
display->mDisplay = NS_STYLE_DISPLAY_NONE;
}
else if (eCSSUnit_Inherit == ourDisplay->mDisplay.GetUnit()) {
display->mDisplay = parentDisplay->mDisplay;
}
// direction: enum, inherit
if (eCSSUnit_Enumerated == ourDisplay->mDirection.GetUnit()) {
display->mDirection = ourDisplay->mDirection.GetIntValue();
#ifdef IBMBIDI
display->mExplicitDirection = display->mDirection;
if (NS_STYLE_DIRECTION_RTL == display->mDirection) {
aPresContext->EnableBidi();
}
#endif // IBMBIDI
}
else if (eCSSUnit_Inherit == ourDisplay->mDirection.GetUnit()) {
display->mDirection = parentDisplay->mDirection;
}
// clear: enum, none, inherit
if (eCSSUnit_Enumerated == ourDisplay->mClear.GetUnit()) {
display->mBreakType = ourDisplay->mClear.GetIntValue();
}
else if (eCSSUnit_None == ourDisplay->mClear.GetUnit()) {
display->mBreakType = NS_STYLE_CLEAR_NONE;
}
else if (eCSSUnit_Inherit == ourDisplay->mClear.GetUnit()) {
display->mBreakType = parentDisplay->mBreakType;
}
// float: enum, none, inherit
if (eCSSUnit_Enumerated == ourDisplay->mFloat.GetUnit()) {
display->mFloats = ourDisplay->mFloat.GetIntValue();
}
else if (eCSSUnit_None == ourDisplay->mFloat.GetUnit()) {
display->mFloats = NS_STYLE_FLOAT_NONE;
}
else if (eCSSUnit_Inherit == ourDisplay->mFloat.GetUnit()) {
display->mFloats = parentDisplay->mFloats;
}
// visibility: enum, inherit
if (eCSSUnit_Enumerated == ourDisplay->mVisibility.GetUnit()) {
display->mVisible = ourDisplay->mVisibility.GetIntValue();
}
else if (eCSSUnit_Inherit == ourDisplay->mVisibility.GetUnit()) {
display->mVisible = parentDisplay->mVisible;
}
// overflow: enum, auto, inherit
if (eCSSUnit_Enumerated == ourDisplay->mOverflow.GetUnit()) {
display->mOverflow = ourDisplay->mOverflow.GetIntValue();
}
else if (eCSSUnit_Auto == ourDisplay->mOverflow.GetUnit()) {
display->mOverflow = NS_STYLE_OVERFLOW_AUTO;
}
else if (eCSSUnit_Inherit == ourDisplay->mOverflow.GetUnit()) {
display->mOverflow = parentDisplay->mOverflow;
}
// clip property: length, auto, inherit
if (nsnull != ourDisplay->mClip) {
if (eCSSUnit_Inherit == ourDisplay->mClip->mTop.GetUnit()) { // if one is inherit, they all are
display->mClipFlags = NS_STYLE_CLIP_INHERIT;
}
else {
PRBool fullAuto = PR_TRUE;
display->mClipFlags = 0; // clear it
if (eCSSUnit_Auto == ourDisplay->mClip->mTop.GetUnit()) {
display->mClip.y = 0;
display->mClipFlags |= NS_STYLE_CLIP_TOP_AUTO;
}
else if (ourDisplay->mClip->mTop.IsLengthUnit()) {
display->mClip.y = CalcLength(ourDisplay->mClip->mTop, aFont->mFont, aPresContext);
fullAuto = PR_FALSE;
}
if (eCSSUnit_Auto == ourDisplay->mClip->mBottom.GetUnit()) {
display->mClip.height = 0;
display->mClipFlags |= NS_STYLE_CLIP_BOTTOM_AUTO;
}
else if (ourDisplay->mClip->mBottom.IsLengthUnit()) {
display->mClip.height = CalcLength(ourDisplay->mClip->mBottom, aFont->mFont, aPresContext) -
display->mClip.y;
fullAuto = PR_FALSE;
}
if (eCSSUnit_Auto == ourDisplay->mClip->mLeft.GetUnit()) {
display->mClip.x = 0;
display->mClipFlags |= NS_STYLE_CLIP_LEFT_AUTO;
}
else if (ourDisplay->mClip->mLeft.IsLengthUnit()) {
display->mClip.x = CalcLength(ourDisplay->mClip->mLeft, aFont->mFont, aPresContext);
fullAuto = PR_FALSE;
}
if (eCSSUnit_Auto == ourDisplay->mClip->mRight.GetUnit()) {
display->mClip.width = 0;
display->mClipFlags |= NS_STYLE_CLIP_RIGHT_AUTO;
}
else if (ourDisplay->mClip->mRight.IsLengthUnit()) {
display->mClip.width = CalcLength(ourDisplay->mClip->mRight, aFont->mFont, aPresContext) -
display->mClip.x;
fullAuto = PR_FALSE;
}
display->mClipFlags &= ~NS_STYLE_CLIP_TYPE_MASK;
if (fullAuto) {
display->mClipFlags |= NS_STYLE_CLIP_AUTO;
}
else {
display->mClipFlags |= NS_STYLE_CLIP_RECT;
}
}
}
}
}
}
static void
MapDeclarationColorInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
nsCSSColor* ourColor;
if (NS_OK == aDeclaration->GetData(kCSSColorSID, (nsCSSStruct**)&ourColor)) {
if (nsnull != ourColor) {
nsStyleColor* color = (nsStyleColor*)aContext->GetMutableStyleData(eStyleStruct_Color);
const nsStyleColor* parentColor = color;
if (nsnull != aParentContext) {
parentColor = (const nsStyleColor*)aParentContext->GetStyleData(eStyleStruct_Color);
}
// color: color, string, inherit
if (! SetColor(ourColor->mColor, parentColor->mColor, aPresContext, color->mColor)) {
}
// cursor: enum, auto, url, inherit
nsCSSValueList* list = ourColor->mCursor;
if (nsnull != list) {
// XXX need to deal with multiple URL values
if (eCSSUnit_Enumerated == list->mValue.GetUnit()) {
color->mCursor = list->mValue.GetIntValue();
}
else if (eCSSUnit_Auto == list->mValue.GetUnit()) {
color->mCursor = NS_STYLE_CURSOR_AUTO;
}
else if (eCSSUnit_URL == list->mValue.GetUnit()) {
list->mValue.GetStringValue(color->mCursorImage);
}
else if (eCSSUnit_Inherit == list->mValue.GetUnit()) {
color->mCursor = parentColor->mCursor;
}
}
// background-color: color, string, enum (flags), inherit
if (eCSSUnit_Inherit == ourColor->mBackColor.GetUnit()) { // do inherit first, so SetColor doesn't do it
const nsStyleColor* inheritColor = parentColor;
if (inheritColor->mBackgroundFlags & NS_STYLE_BG_PROPAGATED_TO_PARENT) {
// walk up the contexts until we get to a context that does not have its
// background propagated to its parent (or a context that has had its background
// propagated from its child)
if (nsnull != aParentContext) {
nsCOMPtr<nsIStyleContext> higherContext = getter_AddRefs(aParentContext->GetParent());
do {
if (higherContext) {
inheritColor = (const nsStyleColor*)higherContext->GetStyleData(eStyleStruct_Color);
if (inheritColor &&
(!(inheritColor->mBackgroundFlags & NS_STYLE_BG_PROPAGATED_TO_PARENT)) ||
(inheritColor->mBackgroundFlags & NS_STYLE_BG_PROPAGATED_FROM_CHILD)) {
// done walking up the higher contexts
break;
}
higherContext = getter_AddRefs(higherContext->GetParent());
}
} while (higherContext);
}
}
color->mBackgroundColor = inheritColor->mBackgroundColor;
color->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT;
color->mBackgroundFlags |= (inheritColor->mBackgroundFlags & NS_STYLE_BG_COLOR_TRANSPARENT);
}
else if (SetColor(ourColor->mBackColor, parentColor->mBackgroundColor,
aPresContext, color->mBackgroundColor)) {
color->mBackgroundFlags &= ~NS_STYLE_BG_COLOR_TRANSPARENT;
}
else if (eCSSUnit_Enumerated == ourColor->mBackColor.GetUnit()) {
color->mBackgroundColor = parentColor->mBackgroundColor;
color->mBackgroundFlags |= NS_STYLE_BG_COLOR_TRANSPARENT;
}
// background-image: url, none, inherit
if (eCSSUnit_URL == ourColor->mBackImage.GetUnit()) {
ourColor->mBackImage.GetStringValue(color->mBackgroundImage);
color->mBackgroundFlags &= ~NS_STYLE_BG_IMAGE_NONE;
}
else if (eCSSUnit_None == ourColor->mBackImage.GetUnit()) {
color->mBackgroundImage.Truncate();
color->mBackgroundFlags |= NS_STYLE_BG_IMAGE_NONE;
}
else if (eCSSUnit_Inherit == ourColor->mBackImage.GetUnit()) {
color->mBackgroundImage = parentColor->mBackgroundImage;
color->mBackgroundFlags &= ~NS_STYLE_BG_IMAGE_NONE;
color->mBackgroundFlags |= (parentColor->mBackgroundFlags & NS_STYLE_BG_IMAGE_NONE);
}
// background-repeat: enum, inherit
if (eCSSUnit_Enumerated == ourColor->mBackRepeat.GetUnit()) {
color->mBackgroundRepeat = ourColor->mBackRepeat.GetIntValue();
}
else if (eCSSUnit_Inherit == ourColor->mBackRepeat.GetUnit()) {
color->mBackgroundRepeat = parentColor->mBackgroundRepeat;
}
// background-attachment: enum, inherit
if (eCSSUnit_Enumerated == ourColor->mBackAttachment.GetUnit()) {
color->mBackgroundAttachment = ourColor->mBackAttachment.GetIntValue();
}
else if (eCSSUnit_Inherit == ourColor->mBackAttachment.GetUnit()) {
color->mBackgroundAttachment = parentColor->mBackgroundAttachment;
}
// background-position: enum, length, percent (flags), inherit
if (eCSSUnit_Percent == ourColor->mBackPositionX.GetUnit()) {
color->mBackgroundXPosition = (nscoord)(100.0f * ourColor->mBackPositionX.GetPercentValue());
color->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_PERCENT;
color->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_LENGTH;
}
else if (ourColor->mBackPositionX.IsLengthUnit()) {
color->mBackgroundXPosition = CalcLength(ourColor->mBackPositionX,
aFont->mFont, aPresContext);
color->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_LENGTH;
color->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_PERCENT;
}
else if (eCSSUnit_Enumerated == ourColor->mBackPositionX.GetUnit()) {
color->mBackgroundXPosition = (nscoord)ourColor->mBackPositionX.GetIntValue();
color->mBackgroundFlags |= NS_STYLE_BG_X_POSITION_PERCENT;
color->mBackgroundFlags &= ~NS_STYLE_BG_X_POSITION_LENGTH;
}
else if (eCSSUnit_Inherit == ourColor->mBackPositionX.GetUnit()) {
color->mBackgroundXPosition = parentColor->mBackgroundXPosition;
color->mBackgroundFlags &= ~(NS_STYLE_BG_X_POSITION_LENGTH | NS_STYLE_BG_X_POSITION_PERCENT);
color->mBackgroundFlags |= (parentColor->mBackgroundFlags & (NS_STYLE_BG_X_POSITION_LENGTH | NS_STYLE_BG_X_POSITION_PERCENT));
}
if (eCSSUnit_Percent == ourColor->mBackPositionY.GetUnit()) {
color->mBackgroundYPosition = (nscoord)(100.0f * ourColor->mBackPositionY.GetPercentValue());
color->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_PERCENT;
color->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_LENGTH;
}
else if (ourColor->mBackPositionY.IsLengthUnit()) {
color->mBackgroundYPosition = CalcLength(ourColor->mBackPositionY,
aFont->mFont, aPresContext);
color->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_LENGTH;
color->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_PERCENT;
}
else if (eCSSUnit_Enumerated == ourColor->mBackPositionY.GetUnit()) {
color->mBackgroundYPosition = (nscoord)ourColor->mBackPositionY.GetIntValue();
color->mBackgroundFlags |= NS_STYLE_BG_Y_POSITION_PERCENT;
color->mBackgroundFlags &= ~NS_STYLE_BG_Y_POSITION_LENGTH;
}
else if (eCSSUnit_Inherit == ourColor->mBackPositionY.GetUnit()) {
color->mBackgroundYPosition = parentColor->mBackgroundYPosition;
color->mBackgroundFlags &= ~(NS_STYLE_BG_Y_POSITION_LENGTH | NS_STYLE_BG_Y_POSITION_PERCENT);
color->mBackgroundFlags |= (parentColor->mBackgroundFlags & (NS_STYLE_BG_Y_POSITION_LENGTH | NS_STYLE_BG_Y_POSITION_PERCENT));
}
// opacity: factor, percent, inherit
if (eCSSUnit_Percent == ourColor->mOpacity.GetUnit()) {
float opacity = parentColor->mOpacity * ourColor->mOpacity.GetPercentValue();
if (opacity < 0.0f) {
color->mOpacity = 0.0f;
} else if (1.0 < opacity) {
color->mOpacity = 1.0f;
}
else {
color->mOpacity = opacity;
}
}
else if (eCSSUnit_Number == ourColor->mOpacity.GetUnit()) {
color->mOpacity = ourColor->mOpacity.GetFloatValue();
}
else if (eCSSUnit_Inherit == ourColor->mOpacity.GetUnit()) {
color->mOpacity = parentColor->mOpacity;
}
}
}
}
static void
MapDeclarationMarginInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
nsCSSMargin* ourMargin;
if (NS_OK == aDeclaration->GetData(kCSSMarginSID, (nsCSSStruct**)&ourMargin)) {
if (nsnull != ourMargin) {
nsStyleMargin* margin = (nsStyleMargin*)aContext->GetMutableStyleData(eStyleStruct_Margin);
nsStylePadding* padding = (nsStylePadding*)aContext->GetMutableStyleData(eStyleStruct_Padding);
nsStyleBorder* border = (nsStyleBorder*)aContext->GetMutableStyleData(eStyleStruct_Border);
nsStyleOutline* outline = (nsStyleOutline*)aContext->GetMutableStyleData(eStyleStruct_Outline);
const nsStyleMargin* parentMargin = margin;
const nsStylePadding* parentPadding = padding;
const nsStyleBorder* parentBorder = border;
const nsStyleOutline* parentOutline = outline;
if (nsnull != aParentContext) {
parentMargin = (const nsStyleMargin*)aParentContext->GetStyleData(eStyleStruct_Margin);
parentPadding = (const nsStylePadding*)aParentContext->GetStyleData(eStyleStruct_Padding);
parentBorder = (const nsStyleBorder*)aParentContext->GetStyleData(eStyleStruct_Border);
parentOutline = (const nsStyleOutline*)aParentContext->GetStyleData(eStyleStruct_Outline);
}
// margin: length, percent, auto, inherit
if (nsnull != ourMargin->mMargin) {
nsStyleCoord coord;
nsStyleCoord parentCoord;
parentMargin->mMargin.GetLeft(parentCoord);
if (SetCoord(ourMargin->mMargin->mLeft, coord, parentCoord, SETCOORD_LPAH, aFont->mFont, aPresContext)) {
margin->mMargin.SetLeft(coord);
}
parentMargin->mMargin.GetTop(parentCoord);
if (SetCoord(ourMargin->mMargin->mTop, coord, parentCoord, SETCOORD_LPAH, aFont->mFont, aPresContext)) {
margin->mMargin.SetTop(coord);
}
parentMargin->mMargin.GetRight(parentCoord);
if (SetCoord(ourMargin->mMargin->mRight, coord, parentCoord, SETCOORD_LPAH, aFont->mFont, aPresContext)) {
margin->mMargin.SetRight(coord);
}
parentMargin->mMargin.GetBottom(parentCoord);
if (SetCoord(ourMargin->mMargin->mBottom, coord, parentCoord, SETCOORD_LPAH, aFont->mFont, aPresContext)) {
margin->mMargin.SetBottom(coord);
}
}
// padding: length, percent, inherit
if (nsnull != ourMargin->mPadding) {
nsStyleCoord coord;
nsStyleCoord parentCoord;
parentPadding->mPadding.GetLeft(parentCoord);
if (SetCoord(ourMargin->mPadding->mLeft, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
padding->mPadding.SetLeft(coord);
}
parentPadding->mPadding.GetTop(parentCoord);
if (SetCoord(ourMargin->mPadding->mTop, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
padding->mPadding.SetTop(coord);
}
parentPadding->mPadding.GetRight(parentCoord);
if (SetCoord(ourMargin->mPadding->mRight, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
padding->mPadding.SetRight(coord);
}
parentPadding->mPadding.GetBottom(parentCoord);
if (SetCoord(ourMargin->mPadding->mBottom, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
padding->mPadding.SetBottom(coord);
}
}
// border-size: length, enum, inherit
if (nsnull != ourMargin->mBorderWidth) {
nsStyleCoord coord;
nsStyleCoord parentCoord;
if (SetCoord(ourMargin->mBorderWidth->mLeft, coord, parentCoord, SETCOORD_LE, aFont->mFont, aPresContext)) {
border->mBorder.SetLeft(coord);
}
else if (eCSSUnit_Inherit == ourMargin->mBorderWidth->mLeft.GetUnit()) {
border->mBorder.SetLeft(parentBorder->mBorder.GetLeft(coord));
}
if (SetCoord(ourMargin->mBorderWidth->mTop, coord, parentCoord, SETCOORD_LE, aFont->mFont, aPresContext)) {
border->mBorder.SetTop(coord);
}
else if (eCSSUnit_Inherit == ourMargin->mBorderWidth->mTop.GetUnit()) {
border->mBorder.SetTop(parentBorder->mBorder.GetTop(coord));
}
if (SetCoord(ourMargin->mBorderWidth->mRight, coord, parentCoord, SETCOORD_LE, aFont->mFont, aPresContext)) {
border->mBorder.SetRight(coord);
}
else if (eCSSUnit_Inherit == ourMargin->mBorderWidth->mRight.GetUnit()) {
border->mBorder.SetRight(parentBorder->mBorder.GetRight(coord));
}
if (SetCoord(ourMargin->mBorderWidth->mBottom, coord, parentCoord, SETCOORD_LE, aFont->mFont, aPresContext)) {
border->mBorder.SetBottom(coord);
}
else if (eCSSUnit_Inherit == ourMargin->mBorderWidth->mBottom.GetUnit()) {
border->mBorder.SetBottom(parentBorder->mBorder.GetBottom(coord));
}
}
// border-style: enum, none, inhert
if (nsnull != ourMargin->mBorderStyle) {
nsCSSRect* ourStyle = ourMargin->mBorderStyle;
if (eCSSUnit_Enumerated == ourStyle->mTop.GetUnit()) {
border->SetBorderStyle(NS_SIDE_TOP, ourStyle->mTop.GetIntValue());
}
else if (eCSSUnit_None == ourStyle->mTop.GetUnit()) {
border->SetBorderStyle(NS_SIDE_TOP, NS_STYLE_BORDER_STYLE_NONE);
}
else if (eCSSUnit_Inherit == ourStyle->mTop.GetUnit()) {
border->SetBorderStyle(NS_SIDE_TOP, parentBorder->GetBorderStyle(NS_SIDE_TOP));
}
if (eCSSUnit_Enumerated == ourStyle->mRight.GetUnit()) {
border->SetBorderStyle(NS_SIDE_RIGHT, ourStyle->mRight.GetIntValue());
}
else if (eCSSUnit_None == ourStyle->mRight.GetUnit()) {
border->SetBorderStyle(NS_SIDE_RIGHT, NS_STYLE_BORDER_STYLE_NONE);
}
else if (eCSSUnit_Inherit == ourStyle->mRight.GetUnit()) {
border->SetBorderStyle(NS_SIDE_RIGHT, parentBorder->GetBorderStyle(NS_SIDE_RIGHT));
}
if (eCSSUnit_Enumerated == ourStyle->mBottom.GetUnit()) {
border->SetBorderStyle(NS_SIDE_BOTTOM, ourStyle->mBottom.GetIntValue());
}
else if (eCSSUnit_None == ourStyle->mBottom.GetUnit()) {
border->SetBorderStyle(NS_SIDE_BOTTOM, NS_STYLE_BORDER_STYLE_NONE);
}
else if (eCSSUnit_Inherit == ourStyle->mBottom.GetUnit()) {
border->SetBorderStyle(NS_SIDE_BOTTOM, parentBorder->GetBorderStyle(NS_SIDE_BOTTOM));
}
if (eCSSUnit_Enumerated == ourStyle->mLeft.GetUnit()) {
border->SetBorderStyle(NS_SIDE_LEFT, ourStyle->mLeft.GetIntValue());
}
else if (eCSSUnit_None == ourStyle->mLeft.GetUnit()) {
border->SetBorderStyle(NS_SIDE_LEFT, NS_STYLE_BORDER_STYLE_NONE);
}
else if (eCSSUnit_Inherit == ourStyle->mLeft.GetUnit()) {
border->SetBorderStyle(NS_SIDE_LEFT, parentBorder->GetBorderStyle(NS_SIDE_LEFT));
}
}
// border-color: color, string, enum, inherit
if (nsnull != ourMargin->mBorderColor) {
nsCSSRect* ourBorderColor = ourMargin->mBorderColor;
nscolor borderColor;
nscolor unused = NS_RGB(0,0,0);
if (eCSSUnit_Inherit == ourBorderColor->mTop.GetUnit()) {
if (parentBorder->GetBorderColor(NS_SIDE_TOP, borderColor)) {
border->SetBorderColor(NS_SIDE_TOP, borderColor);
}
else {
border->SetBorderTransparent(NS_SIDE_TOP);
}
}
else if (SetColor(ourBorderColor->mTop, unused, aPresContext, borderColor)) {
border->SetBorderColor(NS_SIDE_TOP, borderColor);
}
else if (eCSSUnit_Enumerated == ourBorderColor->mTop.GetUnit()) {
border->SetBorderTransparent(NS_SIDE_TOP);
}
if (eCSSUnit_Inherit == ourBorderColor->mRight.GetUnit()) {
if (parentBorder->GetBorderColor(NS_SIDE_RIGHT, borderColor)) {
border->SetBorderColor(NS_SIDE_RIGHT, borderColor);
}
else {
border->SetBorderTransparent(NS_SIDE_RIGHT);
}
}
else if (SetColor(ourBorderColor->mRight, unused, aPresContext, borderColor)) {
border->SetBorderColor(NS_SIDE_RIGHT, borderColor);
}
else if (eCSSUnit_Enumerated == ourBorderColor->mRight.GetUnit()) {
border->SetBorderTransparent(NS_SIDE_RIGHT);
}
if (eCSSUnit_Inherit == ourBorderColor->mBottom.GetUnit()) {
if (parentBorder->GetBorderColor(NS_SIDE_BOTTOM, borderColor)) {
border->SetBorderColor(NS_SIDE_BOTTOM, borderColor);
}
else {
border->SetBorderTransparent(NS_SIDE_BOTTOM);
}
}
else if (SetColor(ourBorderColor->mBottom, unused, aPresContext, borderColor)) {
border->SetBorderColor(NS_SIDE_BOTTOM, borderColor);
}
else if (eCSSUnit_Enumerated == ourBorderColor->mBottom.GetUnit()) {
border->SetBorderTransparent(NS_SIDE_BOTTOM);
}
if (eCSSUnit_Inherit == ourBorderColor->mLeft.GetUnit()) {
if (parentBorder->GetBorderColor(NS_SIDE_LEFT, borderColor)) {
border->SetBorderColor(NS_SIDE_LEFT, borderColor);
}
else {
border->SetBorderTransparent(NS_SIDE_LEFT);
}
}
else if (SetColor(ourBorderColor->mLeft, unused, aPresContext, borderColor)) {
border->SetBorderColor(NS_SIDE_LEFT, borderColor);
}
else if (eCSSUnit_Enumerated == ourBorderColor->mLeft.GetUnit()) {
border->SetBorderTransparent(NS_SIDE_LEFT);
}
}
// -moz-border-radius: length, percent, inherit
if (nsnull != ourMargin->mBorderRadius) {
nsStyleCoord coord;
nsStyleCoord parentCoord;
parentBorder->mBorderRadius.GetLeft(parentCoord);
if (SetCoord(ourMargin->mBorderRadius->mLeft, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
border->mBorderRadius.SetLeft(coord);
}
parentBorder->mBorderRadius.GetTop(parentCoord);
if (SetCoord(ourMargin->mBorderRadius->mTop, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
border->mBorderRadius.SetTop(coord);
}
parentBorder->mBorderRadius.GetRight(parentCoord);
if (SetCoord(ourMargin->mBorderRadius->mRight, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
border->mBorderRadius.SetRight(coord);
}
parentBorder->mBorderRadius.GetBottom(parentCoord);
if (SetCoord(ourMargin->mBorderRadius->mBottom, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
border->mBorderRadius.SetBottom(coord);
}
}
// -moz-outline-radius: length, percent, inherit
if (nsnull != ourMargin->mOutlineRadius) {
nsStyleCoord coord;
nsStyleCoord parentCoord;
parentOutline->mOutlineRadius.GetLeft(parentCoord);
if (SetCoord(ourMargin->mOutlineRadius->mLeft, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
outline->mOutlineRadius.SetLeft(coord);
}
parentOutline->mOutlineRadius.GetTop(parentCoord);
if (SetCoord(ourMargin->mOutlineRadius->mTop, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
outline->mOutlineRadius.SetTop(coord);
}
parentOutline->mOutlineRadius.GetRight(parentCoord);
if (SetCoord(ourMargin->mOutlineRadius->mRight, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
outline->mOutlineRadius.SetRight(coord);
}
parentOutline->mOutlineRadius.GetBottom(parentCoord);
if (SetCoord(ourMargin->mOutlineRadius->mBottom, coord, parentCoord, SETCOORD_LPH, aFont->mFont, aPresContext)) {
outline->mOutlineRadius.SetBottom(coord);
}
}
// outline-width: length, enum, inherit
if (! SetCoord(ourMargin->mOutlineWidth, outline->mOutlineWidth, parentOutline->mOutlineWidth,
SETCOORD_LEH, aFont->mFont, aPresContext)) {
}
// outline-color: color, string, enum, inherit
nscolor outlineColor;
nscolor unused = NS_RGB(0,0,0);
if (eCSSUnit_Inherit == ourMargin->mOutlineColor.GetUnit()) {
if (parentOutline->GetOutlineColor(outlineColor)) {
outline->SetOutlineColor(outlineColor);
}
else {
outline->SetOutlineInvert();
}
}
else if (SetColor(ourMargin->mOutlineColor, unused, aPresContext, outlineColor)) {
outline->SetOutlineColor(outlineColor);
}
else if (eCSSUnit_Enumerated == ourMargin->mOutlineColor.GetUnit()) {
outline->SetOutlineInvert();
}
// outline-style: enum, none, inherit
if (eCSSUnit_Enumerated == ourMargin->mOutlineStyle.GetUnit()) {
outline->SetOutlineStyle(ourMargin->mOutlineStyle.GetIntValue());
}
else if (eCSSUnit_None == ourMargin->mOutlineStyle.GetUnit()) {
outline->SetOutlineStyle(NS_STYLE_BORDER_STYLE_NONE);
}
else if (eCSSUnit_Inherit == ourMargin->mOutlineStyle.GetUnit()) {
outline->SetOutlineStyle(parentOutline->GetOutlineStyle());
}
// float-edge: enum, inherit
if (eCSSUnit_Enumerated == ourMargin->mFloatEdge.GetUnit()) {
border->mFloatEdge = ourMargin->mFloatEdge.GetIntValue();
}
else if (eCSSUnit_Inherit == ourMargin->mFloatEdge.GetUnit()) {
border->mFloatEdge = parentBorder->mFloatEdge;
}
}
}
}
static void
MapDeclarationPositionInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
nsCSSPosition* ourPosition;
if (NS_OK == aDeclaration->GetData(kCSSPositionSID, (nsCSSStruct**)&ourPosition)) {
if (nsnull != ourPosition) {
nsStylePosition* position = (nsStylePosition*)aContext->GetMutableStyleData(eStyleStruct_Position);
const nsStylePosition* parentPosition = position;
if (nsnull != aParentContext) {
parentPosition = (const nsStylePosition*)aParentContext->GetStyleData(eStyleStruct_Position);
}
// position: enum, inherit
if (eCSSUnit_Enumerated == ourPosition->mPosition.GetUnit()) {
position->mPosition = ourPosition->mPosition.GetIntValue();
}
else if (eCSSUnit_Inherit == ourPosition->mPosition.GetUnit()) {
position->mPosition = parentPosition->mPosition;
}
// box offsets: length, percent, auto, inherit
if (nsnull != ourPosition->mOffset) {
nsStyleCoord coord;
nsStyleCoord parentCoord;
parentPosition->mOffset.GetTop(parentCoord);
if (SetCoord(ourPosition->mOffset->mTop, coord, parentCoord, SETCOORD_LPAH, aFont->mFont, aPresContext)) {
position->mOffset.SetTop(coord);
}
parentPosition->mOffset.GetRight(parentCoord);
if (SetCoord(ourPosition->mOffset->mRight, coord, parentCoord, SETCOORD_LPAH, aFont->mFont, aPresContext)) {
position->mOffset.SetRight(coord);
}
parentPosition->mOffset.GetBottom(parentCoord);
if (SetCoord(ourPosition->mOffset->mBottom, coord, parentCoord, SETCOORD_LPAH, aFont->mFont, aPresContext)) {
position->mOffset.SetBottom(coord);
}
parentPosition->mOffset.GetLeft(parentCoord);
if (SetCoord(ourPosition->mOffset->mLeft, coord, parentCoord, SETCOORD_LPAH, aFont->mFont, aPresContext)) {
position->mOffset.SetLeft(coord);
}
}
SetCoord(ourPosition->mWidth, position->mWidth, parentPosition->mWidth,
SETCOORD_LPAH, aFont->mFont, aPresContext);
SetCoord(ourPosition->mMinWidth, position->mMinWidth, parentPosition->mMinWidth,
SETCOORD_LPH, aFont->mFont, aPresContext);
if (! SetCoord(ourPosition->mMaxWidth, position->mMaxWidth, parentPosition->mMaxWidth,
SETCOORD_LPH, aFont->mFont, aPresContext)) {
if (eCSSUnit_None == ourPosition->mMaxWidth.GetUnit()) {
position->mMaxWidth.Reset();
}
}
SetCoord(ourPosition->mHeight, position->mHeight, parentPosition->mHeight,
SETCOORD_LPAH, aFont->mFont, aPresContext);
SetCoord(ourPosition->mMinHeight, position->mMinHeight, parentPosition->mMinHeight,
SETCOORD_LPH, aFont->mFont, aPresContext);
if (! SetCoord(ourPosition->mMaxHeight, position->mMaxHeight, parentPosition->mMaxHeight,
SETCOORD_LPH, aFont->mFont, aPresContext)) {
if (eCSSUnit_None == ourPosition->mMaxHeight.GetUnit()) {
position->mMaxHeight.Reset();
}
}
// box-sizing: enum, inherit
if (eCSSUnit_Enumerated == ourPosition->mBoxSizing.GetUnit()) {
position->mBoxSizing = ourPosition->mBoxSizing.GetIntValue();
}
else if (eCSSUnit_Inherit == ourPosition->mBoxSizing.GetUnit()) {
position->mBoxSizing = parentPosition->mBoxSizing;
}
// z-index
if (! SetCoord(ourPosition->mZIndex, position->mZIndex, parentPosition->mZIndex,
SETCOORD_IA, aFont->mFont, nsnull)) {
if (eCSSUnit_Inherit == ourPosition->mZIndex.GetUnit()) {
// handle inherit, because it's ok to inherit 'auto' here
position->mZIndex = parentPosition->mZIndex;
}
}
}
}
}
static void
MapDeclarationListInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* /*aFont*/, nsIPresContext* aPresContext)
{
nsCSSList* ourList;
if (NS_OK == aDeclaration->GetData(kCSSListSID, (nsCSSStruct**)&ourList)) {
if (nsnull != ourList) {
nsStyleList* list = (nsStyleList*)aContext->GetMutableStyleData(eStyleStruct_List);
const nsStyleList* parentList = list;
if (nsnull != aParentContext) {
parentList = (const nsStyleList*)aParentContext->GetStyleData(eStyleStruct_List);
}
// list-style-type: enum, none, inherit
if (eCSSUnit_Enumerated == ourList->mType.GetUnit()) {
list->mListStyleType = ourList->mType.GetIntValue();
}
else if (eCSSUnit_None == ourList->mType.GetUnit()) {
list->mListStyleType = NS_STYLE_LIST_STYLE_NONE;
}
else if (eCSSUnit_Inherit == ourList->mType.GetUnit()) {
list->mListStyleType = parentList->mListStyleType;
}
// list-style-image: url, none, inherit
if (eCSSUnit_URL == ourList->mImage.GetUnit()) {
ourList->mImage.GetStringValue(list->mListStyleImage);
}
else if (eCSSUnit_None == ourList->mImage.GetUnit()) {
list->mListStyleImage.Truncate();
}
else if (eCSSUnit_Inherit == ourList->mImage.GetUnit()) {
list->mListStyleImage = parentList->mListStyleImage;
}
// list-style-position: enum, inherit
if (eCSSUnit_Enumerated == ourList->mPosition.GetUnit()) {
list->mListStylePosition = ourList->mPosition.GetIntValue();
}
else if (eCSSUnit_Inherit == ourList->mPosition.GetUnit()) {
list->mListStylePosition = parentList->mListStylePosition;
}
}
}
}
static void
MapDeclarationTableInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
nsCSSTable* ourTable;
if (NS_OK == aDeclaration->GetData(kCSSTableSID, (nsCSSStruct**)&ourTable)) {
if (nsnull != ourTable) {
nsStyleTable* table = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
const nsStyleTable* parentTable = table;
if (nsnull != aParentContext) {
parentTable = (const nsStyleTable*)aParentContext->GetStyleData(eStyleStruct_Table);
}
nsStyleCoord coord;
// border-collapse: enum, inherit
if (eCSSUnit_Enumerated == ourTable->mBorderCollapse.GetUnit()) {
table->mBorderCollapse = ourTable->mBorderCollapse.GetIntValue();
}
else if (eCSSUnit_Inherit == ourTable->mBorderCollapse.GetUnit()) {
table->mBorderCollapse = parentTable->mBorderCollapse;
}
// border-spacing-x: length, inherit
if (SetCoord(ourTable->mBorderSpacingX, coord, coord, SETCOORD_LENGTH, aFont->mFont, aPresContext)) {
table->mBorderSpacingX = coord.GetCoordValue();
}
else if (eCSSUnit_Inherit == ourTable->mBorderSpacingX.GetUnit()) {
table->mBorderSpacingX = parentTable->mBorderSpacingX;
}
// border-spacing-y: length, inherit
if (SetCoord(ourTable->mBorderSpacingY, coord, coord, SETCOORD_LENGTH, aFont->mFont, aPresContext)) {
table->mBorderSpacingY = coord.GetCoordValue();
}
else if (eCSSUnit_Inherit == ourTable->mBorderSpacingY.GetUnit()) {
table->mBorderSpacingY = parentTable->mBorderSpacingY;
}
// caption-side: enum, inherit
if (eCSSUnit_Enumerated == ourTable->mCaptionSide.GetUnit()) {
table->mCaptionSide = ourTable->mCaptionSide.GetIntValue();
}
else if (eCSSUnit_Inherit == ourTable->mCaptionSide.GetUnit()) {
table->mCaptionSide = parentTable->mCaptionSide;
}
// empty-cells: enum, inherit
if (eCSSUnit_Enumerated == ourTable->mEmptyCells.GetUnit()) {
table->mEmptyCells = ourTable->mEmptyCells.GetIntValue();
}
else if (eCSSUnit_Inherit == ourTable->mEmptyCells.GetUnit()) {
table->mEmptyCells = parentTable->mEmptyCells;
}
// table-layout: auto, enum, inherit
if (eCSSUnit_Enumerated == ourTable->mLayout.GetUnit()) {
table->mLayoutStrategy = ourTable->mLayout.GetIntValue();
}
else if (eCSSUnit_Auto == ourTable->mLayout.GetUnit()) {
table->mLayoutStrategy = NS_STYLE_TABLE_LAYOUT_AUTO;
}
else if (eCSSUnit_Inherit == ourTable->mLayout.GetUnit()) {
table->mLayoutStrategy = parentTable->mLayoutStrategy;
}
}
}
}
static void
MapDeclarationContentInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
nsCSSContent* ourContent;
if (NS_OK == aDeclaration->GetData(kCSSContentSID, (nsCSSStruct**)&ourContent)) {
if (ourContent) {
nsStyleContent* content = (nsStyleContent*)aContext->GetMutableStyleData(eStyleStruct_Content);
const nsStyleContent* parentContent = content;
if (nsnull != aParentContext) {
parentContent = (const nsStyleContent*)aParentContext->GetStyleData(eStyleStruct_Content);
}
PRUint32 count;
nsAutoString buffer;
// content: [string, url, counter, attr, enum]+, inherit
nsCSSValueList* contentValue = ourContent->mContent;
if (contentValue) {
if (eCSSUnit_Inherit == contentValue->mValue.GetUnit()) {
count = parentContent->ContentCount();
if (NS_SUCCEEDED(content->AllocateContents(count))) {
nsStyleContentType type;
while (0 < count--) {
parentContent->GetContentAt(count, type, buffer);
content->SetContentAt(count, type, buffer);
}
}
}
else {
count = 0;
while (contentValue) {
count++;
contentValue = contentValue->mNext;
}
if (NS_SUCCEEDED(content->AllocateContents(count))) {
const nsAutoString nullStr;
count = 0;
contentValue = ourContent->mContent;
while (contentValue) {
const nsCSSValue& value = contentValue->mValue;
nsCSSUnit unit = value.GetUnit();
nsStyleContentType type;
switch (unit) {
case eCSSUnit_String: type = eStyleContentType_String; break;
case eCSSUnit_URL: type = eStyleContentType_URL; break;
case eCSSUnit_Attr: type = eStyleContentType_Attr; break;
case eCSSUnit_Counter: type = eStyleContentType_Counter; break;
case eCSSUnit_Counters: type = eStyleContentType_Counters; break;
case eCSSUnit_Enumerated:
switch (value.GetIntValue()) {
case NS_STYLE_CONTENT_OPEN_QUOTE:
type = eStyleContentType_OpenQuote; break;
case NS_STYLE_CONTENT_CLOSE_QUOTE:
type = eStyleContentType_CloseQuote; break;
case NS_STYLE_CONTENT_NO_OPEN_QUOTE:
type = eStyleContentType_NoOpenQuote; break;
case NS_STYLE_CONTENT_NO_CLOSE_QUOTE:
type = eStyleContentType_NoCloseQuote; break;
default:
NS_ERROR("bad content value");
}
break;
default:
NS_ERROR("bad content type");
}
if (type < eStyleContentType_OpenQuote) {
value.GetStringValue(buffer);
Unquote(buffer);
content->SetContentAt(count++, type, buffer);
}
else {
content->SetContentAt(count++, type, nullStr);
}
contentValue = contentValue->mNext;
}
}
}
}
// counter-increment: [string [int]]+, none, inherit
nsCSSCounterData* ourIncrement = ourContent->mCounterIncrement;
if (ourIncrement) {
PRInt32 increment;
if (eCSSUnit_Inherit == ourIncrement->mCounter.GetUnit()) {
count = parentContent->CounterIncrementCount();
if (NS_SUCCEEDED(content->AllocateCounterIncrements(count))) {
while (0 < count--) {
parentContent->GetCounterIncrementAt(count, buffer, increment);
content->SetCounterIncrementAt(count, buffer, increment);
}
}
}
else if (eCSSUnit_None == ourIncrement->mCounter.GetUnit()) {
content->AllocateCounterIncrements(0);
}
else if (eCSSUnit_String == ourIncrement->mCounter.GetUnit()) {
count = 0;
while (ourIncrement) {
count++;
ourIncrement = ourIncrement->mNext;
}
if (NS_SUCCEEDED(content->AllocateCounterIncrements(count))) {
count = 0;
ourIncrement = ourContent->mCounterIncrement;
while (ourIncrement) {
if (eCSSUnit_Integer == ourIncrement->mValue.GetUnit()) {
increment = ourIncrement->mValue.GetIntValue();
}
else {
increment = 1;
}
ourIncrement->mCounter.GetStringValue(buffer);
content->SetCounterIncrementAt(count++, buffer, increment);
ourIncrement = ourIncrement->mNext;
}
}
}
}
// counter-reset: [string [int]]+, none, inherit
nsCSSCounterData* ourReset = ourContent->mCounterReset;
if (ourReset) {
PRInt32 reset;
if (eCSSUnit_Inherit == ourReset->mCounter.GetUnit()) {
count = parentContent->CounterResetCount();
if (NS_SUCCEEDED(content->AllocateCounterResets(count))) {
while (0 < count--) {
parentContent->GetCounterResetAt(count, buffer, reset);
content->SetCounterResetAt(count, buffer, reset);
}
}
}
else if (eCSSUnit_None == ourReset->mCounter.GetUnit()) {
content->AllocateCounterResets(0);
}
else if (eCSSUnit_String == ourReset->mCounter.GetUnit()) {
count = 0;
while (ourReset) {
count++;
ourReset = ourReset->mNext;
}
if (NS_SUCCEEDED(content->AllocateCounterResets(count))) {
count = 0;
ourReset = ourContent->mCounterReset;
while (ourReset) {
if (eCSSUnit_Integer == ourReset->mValue.GetUnit()) {
reset = ourReset->mValue.GetIntValue();
}
else {
reset = 0;
}
ourReset->mCounter.GetStringValue(buffer);
content->SetCounterResetAt(count++, buffer, reset);
ourReset = ourReset->mNext;
}
}
}
}
// marker-offset: length, auto, inherit
if (! SetCoord(ourContent->mMarkerOffset, content->mMarkerOffset, parentContent->mMarkerOffset,
SETCOORD_LH | SETCOORD_AUTO, aFont->mFont, aPresContext)) {
}
// quotes: [string string]+, none, inherit
nsCSSQuotes* ourQuotes = ourContent->mQuotes;
if (ourQuotes) {
nsAutoString closeBuffer;
if (eCSSUnit_Inherit == ourQuotes->mOpen.GetUnit()) {
count = parentContent->QuotesCount();
if (NS_SUCCEEDED(content->AllocateQuotes(count))) {
while (0 < count--) {
parentContent->GetQuotesAt(count, buffer, closeBuffer);
content->SetQuotesAt(count, buffer, closeBuffer);
}
}
}
else if (eCSSUnit_None == ourQuotes->mOpen.GetUnit()) {
content->AllocateQuotes(0);
}
else if (eCSSUnit_String == ourQuotes->mOpen.GetUnit()) {
count = 0;
while (ourQuotes) {
count++;
ourQuotes = ourQuotes->mNext;
}
if (NS_SUCCEEDED(content->AllocateQuotes(count))) {
count = 0;
ourQuotes = ourContent->mQuotes;
while (ourQuotes) {
ourQuotes->mOpen.GetStringValue(buffer);
ourQuotes->mClose.GetStringValue(closeBuffer);
Unquote(buffer);
Unquote(closeBuffer);
content->SetQuotesAt(count++, buffer, closeBuffer);
ourQuotes = ourQuotes->mNext;
}
}
}
}
}
}
}
static void
MapDeclarationUIInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* /*aFont*/, nsIPresContext* aPresContext)
{
nsCSSUserInterface* ourUI;
if (NS_OK == aDeclaration->GetData(kCSSUserInterfaceSID, (nsCSSStruct**)&ourUI)) {
if (nsnull != ourUI) {
// Get our user interface style and our parent's user interface style
nsStyleUserInterface* ui = (nsStyleUserInterface*) aContext->GetMutableStyleData(eStyleStruct_UserInterface);
const nsStyleUserInterface* parentUI = ui;
if (nsnull != aParentContext) {
parentUI = (const nsStyleUserInterface*)aParentContext->GetStyleData(eStyleStruct_UserInterface);
}
// user-input: auto, none, enum, inherit
if (eCSSUnit_Enumerated == ourUI->mUserInput.GetUnit()) {
ui->mUserInput = ourUI->mUserInput.GetIntValue();
}
else if (eCSSUnit_Auto == ourUI->mUserInput.GetUnit()) {
ui->mUserInput = NS_STYLE_USER_INPUT_AUTO;
}
else if (eCSSUnit_None == ourUI->mUserInput.GetUnit()) {
ui->mUserInput = NS_STYLE_USER_INPUT_NONE;
}
else if (eCSSUnit_Inherit == ourUI->mUserInput.GetUnit()) {
ui->mUserInput = parentUI->mUserInput;
}
// user-modify: enum, inherit
if (eCSSUnit_Enumerated == ourUI->mUserModify.GetUnit()) {
ui->mUserModify = ourUI->mUserModify.GetIntValue();
}
else if (eCSSUnit_Inherit == ourUI->mUserModify.GetUnit()) {
ui->mUserModify = parentUI->mUserModify;
}
// user-select: none, enum, inherit
if (eCSSUnit_Enumerated == ourUI->mUserSelect.GetUnit()) {
ui->mUserSelect = ourUI->mUserSelect.GetIntValue();
}
else if (eCSSUnit_None == ourUI->mUserSelect.GetUnit()) {
ui->mUserSelect = NS_STYLE_USER_SELECT_NONE;
}
else if (eCSSUnit_Inherit == ourUI->mUserSelect.GetUnit()) {
ui->mUserSelect = parentUI->mUserSelect;
}
// behavior: url, none
if (eCSSUnit_URL == ourUI->mBehavior.GetUnit()) {
ourUI->mBehavior.GetStringValue(ui->mBehavior);
}
else if (eCSSUnit_None == ourUI->mBehavior.GetUnit()) {
ui->mBehavior.Truncate();
}
else if (eCSSUnit_Inherit == ourUI->mBehavior.GetUnit()) {
ui->mBehavior = parentUI->mBehavior;
}
// key-equivalent: none, enum XXX, inherit
nsCSSValueList* keyEquiv = ourUI->mKeyEquivalent;
if (keyEquiv) {
// XXX need to deal with multiple values
if (eCSSUnit_Enumerated == keyEquiv->mValue.GetUnit()) {
ui->mKeyEquivalent = PRUnichar(0); // XXX To be implemented
}
else if (eCSSUnit_None == keyEquiv->mValue.GetUnit()) {
ui->mKeyEquivalent = PRUnichar(0);
}
else if (eCSSUnit_Inherit == keyEquiv->mValue.GetUnit()) {
ui->mKeyEquivalent = parentUI->mKeyEquivalent;
}
}
// user-focus: none, normal, enum, inherit
if (eCSSUnit_Enumerated == ourUI->mUserFocus.GetUnit()) {
ui->mUserFocus = ourUI->mUserFocus.GetIntValue();
}
else if (eCSSUnit_None == ourUI->mUserFocus.GetUnit()) {
ui->mUserFocus = NS_STYLE_USER_FOCUS_NONE;
}
else if (eCSSUnit_Normal == ourUI->mUserFocus.GetUnit()) {
ui->mUserFocus = NS_STYLE_USER_FOCUS_NORMAL;
}
else if (eCSSUnit_Inherit == ourUI->mUserFocus.GetUnit()) {
ui->mUserFocus = parentUI->mUserFocus;
}
// resizer: auto, none, enum, inherit
if (eCSSUnit_Enumerated == ourUI->mResizer.GetUnit()) {
ui->mResizer = ourUI->mResizer.GetIntValue();
}
else if (eCSSUnit_Auto == ourUI->mResizer.GetUnit()) {
ui->mResizer = NS_STYLE_RESIZER_AUTO;
}
else if (eCSSUnit_None == ourUI->mResizer.GetUnit()) {
ui->mResizer = NS_STYLE_RESIZER_NONE;
}
else if (eCSSUnit_Inherit == ourUI->mResizer.GetUnit()) {
ui->mResizer = parentUI->mResizer;
}
}
}
}
static void
MapDeclarationPrintInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
nsStylePrint* print = (nsStylePrint*)aContext->GetMutableStyleData(eStyleStruct_Print);
const nsStylePrint* parentPrint = print;
if (nsnull != aParentContext) {
parentPrint = (const nsStylePrint*)aParentContext->GetStyleData(eStyleStruct_Print);
}
nsCSSBreaks* ourBreaks;
if (NS_OK == aDeclaration->GetData(kCSSBreaksSID, (nsCSSStruct**)&ourBreaks)) {
if (nsnull != ourBreaks) {
// page-break-before: enum, auto, inherit
switch (ourBreaks->mPageBreakBefore.GetUnit()) {
case eCSSUnit_Enumerated: print->mPageBreakBefore = ourBreaks->mPageBreakBefore.GetIntValue(); break;
case eCSSUnit_Auto: print->mPageBreakBefore = NS_STYLE_PAGE_BREAK_AUTO; break;
case eCSSUnit_Inherit: print->mPageBreakBefore = parentPrint->mPageBreakBefore; break;
default: break;
}
// page-break-after: enum, auto, inherit
switch (ourBreaks->mPageBreakAfter.GetUnit()) {
case eCSSUnit_Enumerated: print->mPageBreakAfter = ourBreaks->mPageBreakAfter.GetIntValue(); break;
case eCSSUnit_Auto: print->mPageBreakAfter = NS_STYLE_PAGE_BREAK_AUTO; break;
case eCSSUnit_Inherit: print->mPageBreakAfter = parentPrint->mPageBreakAfter; break;
default: break;
}
// page-break-inside: enum, auto, inherit
switch (ourBreaks->mPageBreakInside.GetUnit()) {
case eCSSUnit_Enumerated: print->mPageBreakInside = ourBreaks->mPageBreakInside.GetIntValue(); break;
case eCSSUnit_Auto: print->mPageBreakInside = NS_STYLE_PAGE_BREAK_AUTO; break;
case eCSSUnit_Inherit: print->mPageBreakInside = parentPrint->mPageBreakInside; break;
default: break;
}
// page: string, auto
switch (ourBreaks->mPage.GetUnit()) {
case eCSSUnit_String: ourBreaks->mPage.GetStringValue(print->mPage); break;
case eCSSUnit_Auto: print->mPage.SetLength(0); break;
default: break;
}
// widows: int, inherit
switch (ourBreaks->mWidows.GetUnit()) {
case eCSSUnit_Integer: print->mWidows = ourBreaks->mWidows.GetIntValue(); break;
case eCSSUnit_Inherit: print->mWidows = parentPrint->mWidows; break;
default: break;
}
// orphans: int, inherit
switch (ourBreaks->mOrphans.GetUnit()) {
case eCSSUnit_Integer: print->mOrphans = ourBreaks->mOrphans.GetIntValue(); break;
case eCSSUnit_Inherit: print->mOrphans = parentPrint->mOrphans; break;
default: break;
}
}
}
nsCSSPage* ourPage;
if (NS_OK == aDeclaration->GetData(kCSSPageSID, (nsCSSStruct**)&ourPage)) {
if (nsnull != ourPage) {
// marks: enum, none
switch (ourPage->mMarks.GetUnit()) {
case eCSSUnit_Enumerated: print->mMarks = ourPage->mMarks.GetIntValue(); break;
case eCSSUnit_None: print->mMarks = NS_STYLE_PAGE_MARKS_NONE; break;
default: break;
}
// size-width: length, enum, auto
SetCoord(ourPage->mSizeWidth, print->mSizeWidth, parentPrint->mSizeWidth,
SETCOORD_LAE, aFont->mFont, aPresContext);
// size-height: length, enum, auto
SetCoord(ourPage->mSizeHeight, print->mSizeHeight, parentPrint->mSizeHeight,
SETCOORD_LAE, aFont->mFont, aPresContext);
}
}
}
#ifdef INCLUDE_XUL
static void
MapDeclarationXULInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIStyleContext* aParentContext,
nsStyleFont* aFont, nsIPresContext* aPresContext)
{
nsCSSXUL* ourXUL;
if (NS_OK == aDeclaration->GetData(kCSSXULSID, (nsCSSStruct**)&ourXUL)) {
if (nsnull != ourXUL) {
nsStyleXUL* xul = (nsStyleXUL*)aContext->GetMutableStyleData(eStyleStruct_XUL);
const nsStyleXUL* parentXUL = xul;
if (nsnull != aParentContext) {
parentXUL = (const nsStyleXUL*)aParentContext->GetStyleData(eStyleStruct_XUL);
}
// box-orient: enum, inherit
if (eCSSUnit_Enumerated == ourXUL->mBoxOrient.GetUnit()) {
xul->mBoxOrient = ourXUL->mBoxOrient.GetIntValue();
}
else if (eCSSUnit_Inherit == ourXUL->mBoxOrient.GetUnit()) {
xul->mBoxOrient = parentXUL->mBoxOrient;
}
}
}
}
#endif // INCLUDE_XUL
void MapDeclarationInto(nsICSSDeclaration* aDeclaration,
nsIMutableStyleContext* aContext, nsIPresContext* aPresContext)
{
if (nsnull != aDeclaration) {
nsIStyleContext* parentContext = aContext->GetParent();
nsStyleFont* font = (nsStyleFont*)aContext->GetMutableStyleData(eStyleStruct_Font);
MapDeclarationTextInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationDisplayInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationColorInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationMarginInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationPositionInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationListInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationTableInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationContentInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationUIInto(aDeclaration, aContext, parentContext, font, aPresContext);
MapDeclarationPrintInto(aDeclaration, aContext, parentContext, font, aPresContext);
#ifdef INCLUDE_XUL
MapDeclarationXULInto(aDeclaration, aContext, parentContext, font, aPresContext);
#endif
NS_IF_RELEASE(parentContext);
}
}
NS_IMETHODIMP
CSSStyleRuleImpl::List(FILE* out, PRInt32 aIndent) const
{
// Indent
for (PRInt32 index = aIndent; --index >= 0; ) fputs(" ", out);
nsAutoString buffer;
mSelector.ToString(buffer, mSheet, PR_FALSE, 0);
buffer.AppendWithConversion(" weight: ");
buffer.AppendInt(mWeight, 10);
buffer.AppendWithConversion(" ");
fputs(buffer, out);
if (nsnull != mDeclaration) {
mDeclaration->List(out);
}
else {
fputs("{ null declaration }", out);
}
fputs("\n", out);
return NS_OK;
}
/******************************************************************************
* SizeOf method:
*
* Self (reported as CSSStyleRuleImpl's size):
* 1) sizeof(*this)
* + sizeof the DOMDeclaration if it exists and is unique
*
* Contained / Aggregated data (not reported as CSSStyleRuleImpl's size):
* 1) mDeclaration if it exists
* 2) mImportantRule if it exists
*
* Children / siblings / parents:
* none
*
******************************************************************************/
void CSSStyleRuleImpl::SizeOf(nsISizeOfHandler *aSizeOfHandler, PRUint32 &aSize)
{
NS_ASSERTION(aSizeOfHandler != nsnull, "SizeOf handler cannot be null");
// first get the unique items collection
UNIQUE_STYLE_ITEMS(uniqueItems);
if(! uniqueItems->AddItem((void*)this)){
return;
}
PRUint32 localSize=0;
// create a tag for this instance
nsCOMPtr<nsIAtom> tag;
tag = getter_AddRefs(NS_NewAtom("CSSStyleRuleImpl"));
// get the size of an empty instance and add to the sizeof handler
aSize = sizeof(*this);
// remove the sizeof the mSelector's class since we count it seperately below
aSize -= sizeof(mSelector);
// and add the size of the DOMDeclaration
// XXX - investigate the size and quantity of these
if(mDOMDeclaration && uniqueItems->AddItem(mDOMDeclaration)){
aSize += sizeof(DOMCSSDeclarationImpl);
}
aSizeOfHandler->AddSize(tag,aSize);
// now delegate to the Selector, Declaration, and ImportantRule
mSelector.SizeOf(aSizeOfHandler, localSize);
if(mDeclaration){
mDeclaration->SizeOf(aSizeOfHandler, localSize);
}
if(mImportantRule){
mImportantRule->SizeOf(aSizeOfHandler, localSize);
}
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetType(PRUint16* aType)
{
*aType = nsIDOMCSSRule::STYLE_RULE;
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetCssText(nsAWritableString& aCssText)
{
mSelector.ToString( aCssText, mSheet, IsPseudoElement(mSelector.mTag),
0 );
aCssText.Append(PRUnichar(' '));
aCssText.Append(PRUnichar('{'));
aCssText.Append(PRUnichar(' '));
if (mDeclaration)
{
nsAutoString tempString;
mDeclaration->ToString( tempString );
aCssText.Append( tempString );
}
aCssText.Append(PRUnichar(' '));
aCssText.Append(PRUnichar('}'));
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::SetCssText(const nsAReadableString& aCssText)
{
// XXX TBI - need to re-parse rule & declaration
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetParentStyleSheet(nsIDOMCSSStyleSheet** aSheet)
{
if (nsnull != mSheet) {
return mSheet->QueryInterface(NS_GET_IID(nsIDOMCSSStyleSheet), (void**)aSheet);
}
*aSheet = nsnull;
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetParentRule(nsIDOMCSSRule** aParentRule)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetSelectorText(nsAWritableString& aSelectorText)
{
mSelector.ToString( aSelectorText, mSheet, IsPseudoElement(mSelector.mTag), 0 );
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::SetSelectorText(const nsAReadableString& aSelectorText)
{
// XXX TBI - get a parser and re-parse the selectors,
// XXX then need to re-compute the cascade
// XXX and dirty sheet
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetStyle(nsIDOMCSSStyleDeclaration** aStyle)
{
if (nsnull == mDOMDeclaration) {
mDOMDeclaration = new DOMCSSDeclarationImpl(this);
if (nsnull == mDOMDeclaration) {
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(mDOMDeclaration);
}
*aStyle = mDOMDeclaration;
NS_ADDREF(mDOMDeclaration);
return NS_OK;
}
NS_IMETHODIMP
CSSStyleRuleImpl::GetScriptObject(nsIScriptContext *aContext, void** aScriptObject)
{
nsresult res = NS_OK;
nsIScriptGlobalObject *global = aContext->GetGlobalObject();
if (nsnull == mScriptObject) {
nsISupports *supports = (nsISupports *)(nsICSSStyleRule *)this;
// XXX Parent should be the style sheet
// XXX Should be done through factory
res = NS_NewScriptCSSStyleRule(aContext,
supports,
(nsISupports *)global,
(void**)&mScriptObject);
}
*aScriptObject = mScriptObject;
NS_RELEASE(global);
return res;
}
NS_IMETHODIMP
CSSStyleRuleImpl::SetScriptObject(void* aScriptObject)
{
mScriptObject = aScriptObject;
return NS_OK;
}
NS_HTML nsresult
NS_NewCSSStyleRule(nsICSSStyleRule** aInstancePtrResult, const nsCSSSelector& aSelector)
{
if (aInstancePtrResult == nsnull) {
return NS_ERROR_NULL_POINTER;
}
CSSStyleRuleImpl *it = new CSSStyleRuleImpl(aSelector);
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(NS_GET_IID(nsICSSStyleRule), (void **) aInstancePtrResult);
}
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