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nsCSSRules.cpp
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nsCSSRules.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Boris Zbarsky <bzbarsky@mit.edu>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* rules in a CSS stylesheet other than style rules (e.g., @import rules) */
#include "nsCSSRules.h"
#include "nsCSSValue.h"
#include "mozilla/css/ImportRule.h"
#include "mozilla/css/NameSpaceRule.h"
#include "nsString.h"
#include "nsIAtom.h"
#include "nsIURL.h"
#include "nsCSSProps.h"
#include "nsCSSStyleSheet.h"
#include "nsCOMPtr.h"
#include "nsIDOMCSSStyleSheet.h"
#include "nsIMediaList.h"
#include "nsICSSRuleList.h"
#include "nsIDocument.h"
#include "nsPresContext.h"
#include "nsContentUtils.h"
#include "nsStyleConsts.h"
#include "nsDOMError.h"
#include "nsStyleUtil.h"
#include "mozilla/css/Declaration.h"
#include "nsCSSParser.h"
#include "nsPrintfCString.h"
namespace css = mozilla::css;
#define IMPL_STYLE_RULE_INHERIT_GET_DOM_RULE_WEAK(class_, super_) \
nsIDOMCSSRule* class_::GetDOMRuleWeak(nsresult *aResult) \
{ *aResult = NS_OK; return this; }
#define IMPL_STYLE_RULE_INHERIT_MAP_RULE_INFO_INTO(class_, super_) \
/* virtual */ void class_::MapRuleInfoInto(nsRuleData* aRuleData) \
{ NS_ABORT_IF_FALSE(PR_FALSE, "should not be called"); }
#define IMPL_STYLE_RULE_INHERIT(class_, super_) \
IMPL_STYLE_RULE_INHERIT_GET_DOM_RULE_WEAK(class_, super_) \
IMPL_STYLE_RULE_INHERIT_MAP_RULE_INFO_INTO(class_, super_)
// base class for all rule types in a CSS style sheet
namespace mozilla {
namespace css {
NS_IMPL_ADDREF(Rule)
NS_IMPL_RELEASE(Rule)
/* virtual */ nsIStyleSheet*
Rule::GetStyleSheet() const
{
return mSheet;
}
/* virtual */ void
Rule::SetStyleSheet(nsCSSStyleSheet* aSheet)
{
// We don't reference count this up reference. The style sheet
// will tell us when it's going away or when we're detached from
// it.
mSheet = aSheet;
}
/* virtual */ void
Rule::SetParentRule(css::GroupRule* aRule)
{
// We don't reference count this up reference. The group rule
// will tell us when it's going away or when we're detached from
// it.
mParentRule = aRule;
}
} // namespace css
} // namespace mozilla
// -------------------------------
// Style Rule List for group rules
//
namespace mozilla {
namespace css {
class NS_FINAL_CLASS GroupRuleRuleList : public nsICSSRuleList
{
public:
GroupRuleRuleList(GroupRule *aGroupRule);
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMCSSRULELIST
virtual nsIDOMCSSRule* GetItemAt(PRUint32 aIndex, nsresult* aResult);
void DropReference() { mGroupRule = nsnull; }
private:
~GroupRuleRuleList();
private:
GroupRule* mGroupRule;
};
GroupRuleRuleList::GroupRuleRuleList(GroupRule *aGroupRule)
{
// Not reference counted to avoid circular references.
// The rule will tell us when its going away.
mGroupRule = aGroupRule;
}
GroupRuleRuleList::~GroupRuleRuleList()
{
}
// QueryInterface implementation for CSSGroupRuleRuleList
NS_INTERFACE_MAP_BEGIN(GroupRuleRuleList)
NS_INTERFACE_MAP_ENTRY(nsICSSRuleList)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSRuleList)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CSSGroupRuleRuleList)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(GroupRuleRuleList)
NS_IMPL_RELEASE(GroupRuleRuleList)
NS_IMETHODIMP
GroupRuleRuleList::GetLength(PRUint32* aLength)
{
if (mGroupRule) {
*aLength = (PRUint32)mGroupRule->StyleRuleCount();
} else {
*aLength = 0;
}
return NS_OK;
}
nsIDOMCSSRule*
GroupRuleRuleList::GetItemAt(PRUint32 aIndex, nsresult* aResult)
{
*aResult = NS_OK;
if (mGroupRule) {
nsCOMPtr<nsICSSRule> rule = mGroupRule->GetStyleRuleAt(aIndex);
if (rule) {
return rule->GetDOMRuleWeak(aResult);
}
}
return nsnull;
}
NS_IMETHODIMP
GroupRuleRuleList::Item(PRUint32 aIndex, nsIDOMCSSRule** aReturn)
{
nsresult rv;
nsIDOMCSSRule* rule = GetItemAt(aIndex, &rv);
if (!rule) {
*aReturn = nsnull;
return rv;
}
NS_ADDREF(*aReturn = rule);
return NS_OK;
}
} // namespace css
} // namespace mozilla
// Must be outside the namespace
DOMCI_DATA(CSSGroupRuleRuleList, css::GroupRuleRuleList)
// -------------------------------------------
// CharsetRule
//
// Must be outside namespace
DOMCI_DATA(CSSCharsetRule, css::CharsetRule)
namespace mozilla {
namespace css {
CharsetRule::CharsetRule(const nsAString& aEncoding)
: css::Rule(),
mEncoding(aEncoding)
{
}
CharsetRule::CharsetRule(const CharsetRule& aCopy)
: css::Rule(aCopy),
mEncoding(aCopy.mEncoding)
{
}
NS_IMPL_ADDREF_INHERITED(CharsetRule, css::Rule)
NS_IMPL_RELEASE_INHERITED(CharsetRule, css::Rule)
// QueryInterface implementation for CharsetRule
NS_INTERFACE_MAP_BEGIN(CharsetRule)
NS_INTERFACE_MAP_ENTRY(nsICSSRule)
NS_INTERFACE_MAP_ENTRY(nsIStyleRule)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSRule)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSCharsetRule)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsICSSRule)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CSSCharsetRule)
NS_INTERFACE_MAP_END
IMPL_STYLE_RULE_INHERIT(CharsetRule, css::Rule)
#ifdef DEBUG
/* virtual */ void
CharsetRule::List(FILE* out, PRInt32 aIndent) const
{
// Indent
for (PRInt32 indent = aIndent; --indent >= 0; ) fputs(" ", out);
fputs("@charset \"", out);
fputs(NS_LossyConvertUTF16toASCII(mEncoding).get(), out);
fputs("\"\n", out);
}
#endif
/* virtual */ PRInt32
CharsetRule::GetType() const
{
return nsICSSRule::CHARSET_RULE;
}
/* virtual */ already_AddRefed<nsICSSRule>
CharsetRule::Clone() const
{
nsCOMPtr<nsICSSRule> clone = new CharsetRule(*this);
return clone.forget();
}
NS_IMETHODIMP
CharsetRule::GetEncoding(nsAString& aEncoding)
{
aEncoding = mEncoding;
return NS_OK;
}
NS_IMETHODIMP
CharsetRule::SetEncoding(const nsAString& aEncoding)
{
mEncoding = aEncoding;
return NS_OK;
}
NS_IMETHODIMP
CharsetRule::GetType(PRUint16* aType)
{
*aType = nsIDOMCSSRule::CHARSET_RULE;
return NS_OK;
}
NS_IMETHODIMP
CharsetRule::GetCssText(nsAString& aCssText)
{
aCssText.AssignLiteral("@charset \"");
aCssText.Append(mEncoding);
aCssText.AppendLiteral("\";");
return NS_OK;
}
NS_IMETHODIMP
CharsetRule::SetCssText(const nsAString& aCssText)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
CharsetRule::GetParentStyleSheet(nsIDOMCSSStyleSheet** aSheet)
{
NS_ENSURE_ARG_POINTER(aSheet);
NS_IF_ADDREF(*aSheet = mSheet);
return NS_OK;
}
NS_IMETHODIMP
CharsetRule::GetParentRule(nsIDOMCSSRule** aParentRule)
{
if (mParentRule) {
return mParentRule->GetDOMRule(aParentRule);
}
*aParentRule = nsnull;
return NS_OK;
}
// -------------------------------------------
// ImportRule
//
ImportRule::ImportRule(nsMediaList* aMedia, const nsString& aURLSpec)
: Rule()
, mURLSpec(aURLSpec)
, mMedia(aMedia)
{
// XXXbz This is really silly.... the mMedia here will be replaced
// with itself if we manage to load a sheet. Which should really
// never fail nowadays, in sane cases.
}
ImportRule::ImportRule(const ImportRule& aCopy)
: Rule(aCopy),
mURLSpec(aCopy.mURLSpec)
{
// Whether or not an @import rule has a null sheet is a permanent
// property of that @import rule, since it is null only if the target
// sheet failed security checks.
if (aCopy.mChildSheet) {
nsRefPtr<nsCSSStyleSheet> sheet =
aCopy.mChildSheet->Clone(nsnull, this, nsnull, nsnull);
SetSheet(sheet);
// SetSheet sets mMedia appropriately
}
}
ImportRule::~ImportRule()
{
if (mChildSheet) {
mChildSheet->SetOwnerRule(nsnull);
}
}
NS_IMPL_ADDREF_INHERITED(ImportRule, Rule)
NS_IMPL_RELEASE_INHERITED(ImportRule, Rule)
// QueryInterface implementation for ImportRule
NS_INTERFACE_MAP_BEGIN(ImportRule)
NS_INTERFACE_MAP_ENTRY(nsICSSRule)
NS_INTERFACE_MAP_ENTRY(nsIStyleRule)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSRule)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSImportRule)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsICSSRule)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CSSImportRule)
NS_INTERFACE_MAP_END
IMPL_STYLE_RULE_INHERIT(ImportRule, Rule)
#ifdef DEBUG
/* virtual */ void
ImportRule::List(FILE* out, PRInt32 aIndent) const
{
// Indent
for (PRInt32 indent = aIndent; --indent >= 0; ) fputs(" ", out);
fputs("@import \"", out);
fputs(NS_LossyConvertUTF16toASCII(mURLSpec).get(), out);
fputs("\" ", out);
nsAutoString mediaText;
mMedia->GetText(mediaText);
fputs(NS_LossyConvertUTF16toASCII(mediaText).get(), out);
fputs("\n", out);
}
#endif
/* virtual */ PRInt32
ImportRule::GetType() const
{
return nsICSSRule::IMPORT_RULE;
}
/* virtual */ already_AddRefed<nsICSSRule>
ImportRule::Clone() const
{
nsCOMPtr<nsICSSRule> clone = new ImportRule(*this);
return clone.forget();
}
void
ImportRule::SetSheet(nsCSSStyleSheet* aSheet)
{
NS_PRECONDITION(aSheet, "null arg");
// set the new sheet
mChildSheet = aSheet;
aSheet->SetOwnerRule(this);
// set our medialist to be the same as the sheet's medialist
nsCOMPtr<nsIDOMMediaList> mediaList;
mChildSheet->GetMedia(getter_AddRefs(mediaList));
NS_ABORT_IF_FALSE(mediaList, "GetMedia returned null");
mMedia = static_cast<nsMediaList*>(mediaList.get());
}
NS_IMETHODIMP
ImportRule::GetType(PRUint16* aType)
{
NS_ENSURE_ARG_POINTER(aType);
*aType = nsIDOMCSSRule::IMPORT_RULE;
return NS_OK;
}
NS_IMETHODIMP
ImportRule::GetCssText(nsAString& aCssText)
{
aCssText.AssignLiteral("@import url(");
nsStyleUtil::AppendEscapedCSSString(mURLSpec, aCssText);
aCssText.Append(NS_LITERAL_STRING(")"));
if (mMedia) {
nsAutoString mediaText;
mMedia->GetText(mediaText);
if (!mediaText.IsEmpty()) {
aCssText.AppendLiteral(" ");
aCssText.Append(mediaText);
}
}
aCssText.AppendLiteral(";");
return NS_OK;
}
NS_IMETHODIMP
ImportRule::SetCssText(const nsAString& aCssText)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
ImportRule::GetParentStyleSheet(nsIDOMCSSStyleSheet** aSheet)
{
NS_ENSURE_ARG_POINTER(aSheet);
NS_IF_ADDREF(*aSheet = mSheet);
return NS_OK;
}
NS_IMETHODIMP
ImportRule::GetParentRule(nsIDOMCSSRule** aParentRule)
{
if (mParentRule) {
return mParentRule->GetDOMRule(aParentRule);
}
*aParentRule = nsnull;
return NS_OK;
}
NS_IMETHODIMP
ImportRule::GetHref(nsAString & aHref)
{
aHref = mURLSpec;
return NS_OK;
}
NS_IMETHODIMP
ImportRule::GetMedia(nsIDOMMediaList * *aMedia)
{
NS_ENSURE_ARG_POINTER(aMedia);
NS_IF_ADDREF(*aMedia = mMedia);
return NS_OK;
}
NS_IMETHODIMP
ImportRule::GetStyleSheet(nsIDOMCSSStyleSheet * *aStyleSheet)
{
NS_ENSURE_ARG_POINTER(aStyleSheet);
NS_IF_ADDREF(*aStyleSheet = mChildSheet);
return NS_OK;
}
} // namespace css
} // namespace mozilla
// must be outside the namespace
DOMCI_DATA(CSSImportRule, css::ImportRule)
static PRBool
CloneRuleInto(nsICSSRule* aRule, void* aArray)
{
nsCOMPtr<nsICSSRule> clone = aRule->Clone();
static_cast<nsCOMArray<nsICSSRule>*>(aArray)->AppendObject(clone);
return PR_TRUE;
}
namespace mozilla {
namespace css {
GroupRule::GroupRule()
: Rule()
{
}
static PRBool
SetParentRuleReference(nsICSSRule* aRule, void* aParentRule)
{
GroupRule* parentRule = static_cast<GroupRule*>(aParentRule);
aRule->SetParentRule(parentRule);
return PR_TRUE;
}
GroupRule::GroupRule(const GroupRule& aCopy)
: Rule(aCopy)
{
const_cast<GroupRule&>(aCopy).mRules.EnumerateForwards(CloneRuleInto, &mRules);
mRules.EnumerateForwards(SetParentRuleReference, this);
}
GroupRule::~GroupRule()
{
NS_ABORT_IF_FALSE(!mSheet, "SetStyleSheet should have been called");
mRules.EnumerateForwards(SetParentRuleReference, nsnull);
if (mRuleCollection) {
mRuleCollection->DropReference();
}
}
IMPL_STYLE_RULE_INHERIT_MAP_RULE_INFO_INTO(GroupRule, Rule)
static PRBool
SetStyleSheetReference(nsICSSRule* aRule, void* aSheet)
{
nsCSSStyleSheet* sheet = (nsCSSStyleSheet*)aSheet;
aRule->SetStyleSheet(sheet);
return PR_TRUE;
}
/* virtual */ void
GroupRule::SetStyleSheet(nsCSSStyleSheet* aSheet)
{
mRules.EnumerateForwards(SetStyleSheetReference, aSheet);
Rule::SetStyleSheet(aSheet);
}
#ifdef DEBUG
/* virtual */ void
GroupRule::List(FILE* out, PRInt32 aIndent) const
{
fputs(" {\n", out);
for (PRInt32 index = 0, count = mRules.Count(); index < count; ++index) {
mRules.ObjectAt(index)->List(out, aIndent + 1);
}
fputs("}\n", out);
}
#endif
void
GroupRule::AppendStyleRule(nsICSSRule* aRule)
{
mRules.AppendObject(aRule);
aRule->SetStyleSheet(mSheet);
aRule->SetParentRule(this);
if (mSheet) {
mSheet->SetModifiedByChildRule();
}
}
nsICSSRule*
GroupRule::GetStyleRuleAt(PRInt32 aIndex) const
{
return mRules.SafeObjectAt(aIndex);
}
PRBool
GroupRule::EnumerateRulesForwards(RuleEnumFunc aFunc, void * aData) const
{
return
const_cast<GroupRule*>(this)->mRules.EnumerateForwards(aFunc, aData);
}
/*
* The next two methods (DeleteStyleRuleAt and InsertStyleRulesAt)
* should never be called unless you have first called WillDirty() on
* the parents tylesheet. After they are called, DidDirty() needs to
* be called on the sheet
*/
nsresult
GroupRule::DeleteStyleRuleAt(PRUint32 aIndex)
{
nsICSSRule* rule = mRules.SafeObjectAt(aIndex);
if (rule) {
rule->SetStyleSheet(nsnull);
rule->SetParentRule(nsnull);
}
return mRules.RemoveObjectAt(aIndex) ? NS_OK : NS_ERROR_ILLEGAL_VALUE;
}
nsresult
GroupRule::InsertStyleRulesAt(PRUint32 aIndex,
nsCOMArray<nsICSSRule>& aRules)
{
aRules.EnumerateForwards(SetStyleSheetReference, mSheet);
aRules.EnumerateForwards(SetParentRuleReference, this);
if (! mRules.InsertObjectsAt(aRules, aIndex)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
GroupRule::ReplaceStyleRule(nsICSSRule* aOld, nsICSSRule* aNew)
{
PRInt32 index = mRules.IndexOf(aOld);
NS_ENSURE_TRUE(index != -1, NS_ERROR_UNEXPECTED);
mRules.ReplaceObjectAt(aNew, index);
aNew->SetStyleSheet(mSheet);
aNew->SetParentRule(this);
aOld->SetStyleSheet(nsnull);
aOld->SetParentRule(nsnull);
return NS_OK;
}
nsresult
GroupRule::AppendRulesToCssText(nsAString& aCssText)
{
aCssText.AppendLiteral(" {\n");
// get all the rules
for (PRInt32 index = 0, count = mRules.Count(); index < count; ++index) {
nsICSSRule* rule = mRules.ObjectAt(index);
nsCOMPtr<nsIDOMCSSRule> domRule;
rule->GetDOMRule(getter_AddRefs(domRule));
if (domRule) {
nsAutoString cssText;
domRule->GetCssText(cssText);
aCssText.Append(NS_LITERAL_STRING(" ") +
cssText +
NS_LITERAL_STRING("\n"));
}
}
aCssText.AppendLiteral("}");
return NS_OK;
}
nsresult
GroupRule::GetParentRule(nsIDOMCSSRule** aParentRule)
{
if (mParentRule) {
return mParentRule->GetDOMRule(aParentRule);
}
*aParentRule = nsnull;
return NS_OK;
}
// nsIDOMCSSMediaRule or nsIDOMCSSMozDocumentRule methods
nsIDOMCSSRuleList*
GroupRule::GetCssRules()
{
if (!mRuleCollection) {
mRuleCollection = new css::GroupRuleRuleList(this);
}
return mRuleCollection;
}
nsresult
GroupRule::InsertRule(const nsAString & aRule, PRUint32 aIndex, PRUint32* _retval)
{
NS_ENSURE_TRUE(mSheet, NS_ERROR_FAILURE);
if (aIndex > PRUint32(mRules.Count()))
return NS_ERROR_DOM_INDEX_SIZE_ERR;
NS_ASSERTION(PRUint32(mRules.Count()) <= PR_INT32_MAX,
"Too many style rules!");
return mSheet->InsertRuleIntoGroup(aRule, this, aIndex, _retval);
}
nsresult
GroupRule::DeleteRule(PRUint32 aIndex)
{
NS_ENSURE_TRUE(mSheet, NS_ERROR_FAILURE);
if (aIndex >= PRUint32(mRules.Count()))
return NS_ERROR_DOM_INDEX_SIZE_ERR;
NS_ASSERTION(PRUint32(mRules.Count()) <= PR_INT32_MAX,
"Too many style rules!");
return mSheet->DeleteRuleFromGroup(this, aIndex);
}
// -------------------------------------------
// nsICSSMediaRule
//
MediaRule::MediaRule()
{
}
MediaRule::MediaRule(const MediaRule& aCopy)
: GroupRule(aCopy)
{
if (aCopy.mMedia) {
aCopy.mMedia->Clone(getter_AddRefs(mMedia));
if (mMedia) {
// XXXldb This doesn't really make sense.
mMedia->SetStyleSheet(aCopy.mSheet);
}
}
}
MediaRule::~MediaRule()
{
if (mMedia) {
mMedia->SetStyleSheet(nsnull);
}
}
NS_IMPL_ADDREF_INHERITED(MediaRule, Rule)
NS_IMPL_RELEASE_INHERITED(MediaRule, Rule)
// QueryInterface implementation for MediaRule
NS_INTERFACE_MAP_BEGIN(MediaRule)
NS_INTERFACE_MAP_ENTRY(nsICSSRule)
NS_INTERFACE_MAP_ENTRY(nsIStyleRule)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSRule)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSMediaRule)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsICSSRule)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CSSMediaRule)
NS_INTERFACE_MAP_END
/* virtual */ void
MediaRule::SetStyleSheet(nsCSSStyleSheet* aSheet)
{
if (mMedia) {
// Set to null so it knows it's leaving one sheet and joining another.
mMedia->SetStyleSheet(nsnull);
mMedia->SetStyleSheet(aSheet);
}
GroupRule::SetStyleSheet(aSheet);
}
#ifdef DEBUG
/* virtual */ void
MediaRule::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 indent = aIndent; --indent >= 0; ) fputs(" ", out);
nsAutoString buffer;
fputs("@media ", out);
if (mMedia) {
nsAutoString mediaText;
mMedia->GetText(mediaText);
fputs(NS_LossyConvertUTF16toASCII(mediaText).get(), out);
}
GroupRule::List(out, aIndent);
}
#endif
/* virtual */ PRInt32
MediaRule::GetType() const
{
return nsICSSRule::MEDIA_RULE;
}
/* virtual */ already_AddRefed<nsICSSRule>
MediaRule::Clone() const
{
nsCOMPtr<nsICSSRule> clone = new MediaRule(*this);
return clone.forget();
}
nsresult
MediaRule::SetMedia(nsMediaList* aMedia)
{
mMedia = aMedia;
if (aMedia)
mMedia->SetStyleSheet(mSheet);
return NS_OK;
}
// nsIDOMCSSRule methods
NS_IMETHODIMP
MediaRule::GetType(PRUint16* aType)
{
*aType = nsIDOMCSSRule::MEDIA_RULE;
return NS_OK;
}
NS_IMETHODIMP
MediaRule::GetCssText(nsAString& aCssText)
{
aCssText.AssignLiteral("@media ");
// get all the media
if (mMedia) {
nsAutoString mediaText;
mMedia->GetText(mediaText);
aCssText.Append(mediaText);
}
return GroupRule::AppendRulesToCssText(aCssText);
}
NS_IMETHODIMP
MediaRule::SetCssText(const nsAString& aCssText)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
MediaRule::GetParentStyleSheet(nsIDOMCSSStyleSheet** aSheet)
{
NS_IF_ADDREF(*aSheet = mSheet);
return NS_OK;
}
NS_IMETHODIMP
MediaRule::GetParentRule(nsIDOMCSSRule** aParentRule)
{
return GroupRule::GetParentRule(aParentRule);
}
// nsIDOMCSSMediaRule methods
NS_IMETHODIMP
MediaRule::GetMedia(nsIDOMMediaList* *aMedia)
{
NS_ENSURE_ARG_POINTER(aMedia);
NS_IF_ADDREF(*aMedia = mMedia);
return NS_OK;
}
NS_IMETHODIMP
MediaRule::GetCssRules(nsIDOMCSSRuleList* *aRuleList)
{
NS_ADDREF(*aRuleList = GroupRule::GetCssRules());
return NS_OK;
}
NS_IMETHODIMP
MediaRule::InsertRule(const nsAString & aRule, PRUint32 aIndex, PRUint32* _retval)
{
return GroupRule::InsertRule(aRule, aIndex, _retval);
}
NS_IMETHODIMP
MediaRule::DeleteRule(PRUint32 aIndex)
{
return GroupRule::DeleteRule(aIndex);
}
// GroupRule interface
/* virtual */ PRBool
MediaRule::UseForPresentation(nsPresContext* aPresContext,
nsMediaQueryResultCacheKey& aKey)
{
if (mMedia) {
return mMedia->Matches(aPresContext, aKey);
}
return PR_TRUE;
}
} // namespace css
} // namespace mozilla
// Must be outside namespace
DOMCI_DATA(CSSMediaRule, css::MediaRule)
namespace mozilla {
namespace css {
DocumentRule::DocumentRule()
{
}
DocumentRule::DocumentRule(const DocumentRule& aCopy)
: GroupRule(aCopy)
, mURLs(new URL(*aCopy.mURLs))
{
}
DocumentRule::~DocumentRule()
{
}
NS_IMPL_ADDREF_INHERITED(DocumentRule, Rule)
NS_IMPL_RELEASE_INHERITED(DocumentRule, Rule)
// QueryInterface implementation for DocumentRule
NS_INTERFACE_MAP_BEGIN(DocumentRule)
NS_INTERFACE_MAP_ENTRY(nsICSSRule)
NS_INTERFACE_MAP_ENTRY(nsIStyleRule)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSRule)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSMozDocumentRule)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsICSSRule)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CSSMozDocumentRule)
NS_INTERFACE_MAP_END
#ifdef DEBUG
/* virtual */ void
DocumentRule::List(FILE* out, PRInt32 aIndent) const
{
for (PRInt32 indent = aIndent; --indent >= 0; ) fputs(" ", out);
nsCAutoString str;
str.AssignLiteral("@-moz-document ");
for (URL *url = mURLs; url; url = url->next) {
switch (url->func) {
case eURL:
str.AppendLiteral("url(\"");
break;
case eURLPrefix:
str.AppendLiteral("url-prefix(\"");
break;
case eDomain:
str.AppendLiteral("domain(\"");
break;
}
nsCAutoString escapedURL(url->url);
escapedURL.ReplaceSubstring("\"", "\\\""); // escape quotes
str.Append(escapedURL);
str.AppendLiteral("\"), ");
}
str.Cut(str.Length() - 2, 1); // remove last ,
fputs(str.get(), out);
GroupRule::List(out, aIndent);
}
#endif
/* virtual */ PRInt32
DocumentRule::GetType() const
{
return nsICSSRule::DOCUMENT_RULE;
}
/* virtual */ already_AddRefed<nsICSSRule>
DocumentRule::Clone() const
{
nsCOMPtr<nsICSSRule> clone = new DocumentRule(*this);
return clone.forget();
}
// nsIDOMCSSRule methods
NS_IMETHODIMP
DocumentRule::GetType(PRUint16* aType)
{
// XXX What should really happen here?
*aType = nsIDOMCSSRule::UNKNOWN_RULE;
return NS_OK;
}
NS_IMETHODIMP
DocumentRule::GetCssText(nsAString& aCssText)
{
aCssText.AssignLiteral("@-moz-document ");
for (URL *url = mURLs; url; url = url->next) {
switch (url->func) {
case eURL:
aCssText.AppendLiteral("url(");
break;
case eURLPrefix:
aCssText.AppendLiteral("url-prefix(");
break;
case eDomain:
aCssText.AppendLiteral("domain(");