зеркало из https://github.com/mozilla/gecko-dev.git
Bug 649740 - Implement @supports. r=dbaron,bz
This commit is contained in:
Cameron McCormack
Родитель
40b8abb1ef
Коммит
1528758ac5
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@ -140,6 +140,7 @@
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#include "nsIDOMEventTarget.h"
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// CSS related includes
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#include "nsCSSRules.h"
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#include "nsIDOMStyleSheet.h"
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#include "nsIDOMStyleSheetList.h"
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#include "nsIDOMCSSStyleDeclaration.h"
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@ -289,6 +290,7 @@
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#include "nsIDOMCSSMediaRule.h"
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#include "nsIDOMCSSFontFaceRule.h"
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#include "nsIDOMCSSMozDocumentRule.h"
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#include "nsIDOMCSSSupportsRule.h"
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#include "nsIDOMMozCSSKeyframeRule.h"
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#include "nsIDOMMozCSSKeyframesRule.h"
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#include "nsIDOMCSSPrimitiveValue.h"
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@ -1088,6 +1090,9 @@ static nsDOMClassInfoData sClassInfoData[] = {
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NS_DEFINE_CLASSINFO_DATA(CSSMozDocumentRule, nsDOMGenericSH,
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DOM_DEFAULT_SCRIPTABLE_FLAGS)
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NS_DEFINE_CLASSINFO_DATA(CSSSupportsRule, nsDOMGenericSH,
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DOM_DEFAULT_SCRIPTABLE_FLAGS)
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NS_DEFINE_CLASSINFO_DATA(BeforeUnloadEvent, nsDOMGenericSH,
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DOM_DEFAULT_SCRIPTABLE_FLAGS)
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@ -3171,6 +3176,10 @@ nsDOMClassInfo::Init()
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DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSMozDocumentRule)
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DOM_CLASSINFO_MAP_END
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DOM_CLASSINFO_MAP_BEGIN(CSSSupportsRule, nsIDOMCSSSupportsRule)
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DOM_CLASSINFO_MAP_ENTRY(nsIDOMCSSSupportsRule)
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DOM_CLASSINFO_MAP_END
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DOM_CLASSINFO_MAP_BEGIN(BeforeUnloadEvent, nsIDOMBeforeUnloadEvent)
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DOM_CLASSINFO_MAP_ENTRY(nsIDOMBeforeUnloadEvent)
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DOM_CLASSINFO_EVENT_MAP_ENTRIES
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@ -6697,6 +6706,13 @@ ConstructorEnabled(const nsGlobalNameStruct *aStruct, nsGlobalWindow *aWin)
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}
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}
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// Don't expose CSSSupportsRule unless @supports processing is enabled.
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if (aStruct->mDOMClassInfoID == eDOMClassInfo_CSSSupportsRule_id) {
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if (!CSSSupportsRule::PrefEnabled()) {
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return false;
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}
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}
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return true;
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}
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@ -193,6 +193,7 @@ DOMCI_CLASS(TreeColumns)
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#endif
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DOMCI_CLASS(CSSMozDocumentRule)
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DOMCI_CLASS(CSSSupportsRule)
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DOMCI_CLASS(BeforeUnloadEvent)
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@ -32,6 +32,7 @@ XPIDLSRCS = \
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nsIDOMCSSImportRule.idl \
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nsIDOMCSSMediaRule.idl \
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nsIDOMCSSMozDocumentRule.idl \
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nsIDOMCSSSupportsRule.idl \
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nsIDOMMozCSSKeyframeRule.idl \
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nsIDOMMozCSSKeyframesRule.idl \
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nsIDOMCSSPageRule.idl \
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@ -27,6 +27,7 @@ interface nsIDOMCSSRule : nsISupports
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const unsigned short MOZ_KEYFRAMES_RULE = 7;
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const unsigned short MOZ_KEYFRAME_RULE = 8;
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const unsigned short NAMESPACE_RULE = 10;
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const unsigned short SUPPORTS_RULE = 12;
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readonly attribute unsigned short type;
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attribute DOMString cssText;
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@ -0,0 +1,21 @@
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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsIDOMCSSRule.idl"
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/**
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* Interface for @supports rules in the CSS OM.
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*/
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[scriptable, uuid(5f409a4d-92f9-4a62-8e8a-cc1c02c32918)]
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interface nsIDOMCSSSupportsRule : nsIDOMCSSRule
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{
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readonly attribute nsIDOMCSSRuleList cssRules;
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unsigned long insertRule(in DOMString rule,
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in unsigned long index)
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raises(DOMException);
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void deleteRule(in unsigned long index)
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raises(DOMException);
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};
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@ -22,7 +22,7 @@ PEGatherMediaNotIdent=Expected identifier in media list but found '%1$S'.
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PEImportNotURI=Expected URI in @import rule but found '%1$S'.
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PEImportBadURI=Invalid URI in @import rule: '%1$S'.
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PEImportUnexpected=Found unexpected '%1$S' within @import.
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PEGroupRuleEOF=end of @media or @-moz-document rule
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PEGroupRuleEOF2=end of @media, @supports or @-moz-document rule
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PEGroupRuleNestedAtRule=%1$S rule not allowed within @media or @-moz-document rule.
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PEMozDocRuleBadFunc=Expected url(), url-prefix(), or domain() in @-moz-document rule but found '%1$S'.
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PEMozDocRuleNotURI=Expected URI in @-moz-document rule but found '%1$S'.
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@ -114,3 +114,11 @@ PEMQExpectedFeatureValue=Found invalid value for media feature.
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PEBadFontBlockStart=Expected '{' to begin @font-face rule but found '%1$S'.
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PEBadFontBlockEnd=Expected '}' to end @font-face rule but found '%1$S'.
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PEAnonBoxNotAlone=Did not expect anonymous box.
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PESupportsConditionStartEOF='not' or '('
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PESupportsConditionInParensStartEOF='not', '(' or identifier
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PESupportsConditionNotEOF='not'
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PESupportsConditionExpectedOpenParen=Expected '(' while parsing supports condition but found '%1$S'.
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PESupportsConditionExpectedCloseParen=Expected ')' while parsing supports condition but found '%1$S'.
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PESupportsConditionExpectedStart=Expected 'not' or '(' while parsing supports condition but found '%1$S'.
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PESupportsConditionExpectedNot=Expected 'not' while parsing supports condition but found '%1$S'.
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PESupportsGroupRuleStart=Expected '{' to begin @supports rule but found '%1$S'.
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@ -527,7 +527,8 @@ var interfaceNamesInGlobalScope =
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"NavigatorCamera",
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"CameraControl",
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"CameraCapabilities",
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"CameraManager"
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"CameraManager",
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"CSSSupportsRule"
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]
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for (var i in Components.interfaces) {
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@ -16,6 +16,7 @@
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#include "nsIDOMCSSStyleDeclaration.h"
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#include "nsIDOMCSSImportRule.h"
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#include "nsIDOMCSSMediaRule.h"
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#include "nsIDOMCSSSupportsRule.h"
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#include "nsIURI.h"
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#include "nsIDocument.h"
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#include "nsNetUtil.h"
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@ -317,6 +318,12 @@ inCSSValueSearch::SearchRuleList(nsIDOMCSSRuleList* aRuleList, nsIURI* aBaseURL)
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mediaRule->GetCssRules(getter_AddRefs(childRules));
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SearchRuleList(childRules, aBaseURL);
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} break;
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case nsIDOMCSSRule::SUPPORTS_RULE: {
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nsCOMPtr<nsIDOMCSSSupportsRule> supportsRule = do_QueryInterface(rule);
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nsCOMPtr<nsIDOMCSSRuleList> childRules;
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supportsRule->GetCssRules(getter_AddRefs(childRules));
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SearchRuleList(childRules, aBaseURL);
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} break;
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default:
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// XXX handle nsIDOMCSSRule::PAGE_RULE if we ever support it
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break;
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@ -0,0 +1,18 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
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<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
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<link rel="help" href="http://www.w3.org/TR/#at-supports" />
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<meta name="flags" content="" />
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<meta name="assert" content="An @supports rule condition with a single, valid property declaration for a supported property must cause the rules inside the @supports rule to apply."/>
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<link rel="match" href="pass.html" />
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<style type="text/css"><![CDATA[
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@supports (color: green) {
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html { background-color: green }
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}
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]]></style>
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</head>
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<body>
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</body>
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</html>
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@ -0,0 +1,19 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Test: An @supports rule with invalid syntax must not apply rules inside it</title>
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<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
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<link rel="help" href="http://www.w3.org/TR/#at-supports" />
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<meta name="flags" content="" />
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<meta name="assert" content="Property declarations in an @supports rule condition must be surrounded by parentheses."/>
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<link rel="match" href="pass.html" />
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<style type="text/css"><![CDATA[
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html { background-color: green }
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@supports color: green {
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html { background-color: red }
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}
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]]></style>
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</head>
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<body>
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</body>
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</html>
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@ -0,0 +1,18 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
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<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
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<link rel="help" href="http://www.w3.org/TR/#at-supports" />
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<meta name="flags" content="" />
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<meta name="assert" content="Any subexpression in an @supports rule condition can be surrounded by an extra pair of parentheses."/>
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<link rel="match" href="pass.html" />
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<style type="text/css"><![CDATA[
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@supports ((color: green)) {
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html { background-color: green }
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}
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]]></style>
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</head>
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<body>
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</body>
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</html>
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@ -0,0 +1,18 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
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<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
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<link rel="help" href="http://www.w3.org/TR/#at-supports" />
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<meta name="flags" content="" />
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<meta name="assert" content="Property declarations in an @supports rule can have !important specified."/>
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<link rel="match" href="pass.html" />
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<style type="text/css"><![CDATA[
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@supports (color: green !important) {
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html { background-color: green }
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}
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]]></style>
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</head>
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<body>
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</body>
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</html>
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@ -0,0 +1,19 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Test: An @supports rule with valid syntax but a failing condition must not apply rules inside it</title>
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<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
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<link rel="help" href="http://www.w3.org/TR/#at-supports" />
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<meta name="flags" content="" />
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<meta name="assert" content="A supported property with an unsupported value must cause the @supports condition to fail."/>
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<link rel="match" href="pass.html" />
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<style type="text/css"><![CDATA[
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html { background-color: green }
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@supports (color: rainbow) {
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html { background-color: red }
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}
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]]></style>
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</head>
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<body>
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</body>
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</html>
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@ -0,0 +1,18 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
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<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
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<link rel="help" href="http://www.w3.org/TR/#at-supports" />
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<meta name="flags" content="" />
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<meta name="assert" content="A disjunction of two @supports conditions must cause the @supports condition to pass if the left condition passes."/>
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<link rel="match" href="pass.html" />
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<style type="text/css"><![CDATA[
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@supports (color: rainbow) or (color: green) {
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html { background-color: green }
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}
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]]></style>
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</head>
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<body>
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</body>
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</html>
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@ -0,0 +1,18 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
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<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
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<link rel="help" href="http://www.w3.org/TR/#at-supports" />
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<meta name="flags" content="" />
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<meta name="assert" content="A disjunction of two @supports conditions must cause the @supports condition to pass if the right condition passes."/>
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<link rel="match" href="pass.html" />
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<style type="text/css"><![CDATA[
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@supports (color: green) or (color: rainbow) {
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html { background-color: green }
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}
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]]></style>
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</head>
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<body>
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</body>
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</html>
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|
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@ -0,0 +1,18 @@
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
|
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<head>
|
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<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
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<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
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<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
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<meta name="flags" content="" />
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<meta name="assert" content="A conjunction of two @supports conditions must cause the @supports condition to pass if both sub-conditions pass."/>
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<link rel="match" href="pass.html" />
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<style type="text/css"><![CDATA[
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@supports (color: green) and (color: blue) {
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html { background-color: green }
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}
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]]></style>
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</head>
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<body>
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</body>
|
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</html>
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|
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@ -0,0 +1,19 @@
|
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
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<html xmlns="http://www.w3.org/1999/xhtml">
|
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<head>
|
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<title>CSS Test: An @supports rule with valid syntax but a failing condition must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
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<meta name="assert" content="A conjunction of two @supports conditions must cause the @supports condition to fail if the left sub-condition passes."/>
|
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<link rel="match" href="pass.html" />
|
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<style type="text/css"><![CDATA[
|
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html { background-color: green }
|
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@supports (color: rainbow) and (color: blue) {
|
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html { background-color: red }
|
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}
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]]></style>
|
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</head>
|
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<body>
|
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</body>
|
||||
</html>
|
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|
|
@ -0,0 +1,19 @@
|
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
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<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax but a failing condition must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
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<meta name="assert" content="A conjunction of two @supports conditions must cause the @supports condition to fail if the right sub-condition passes."/>
|
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<link rel="match" href="pass.html" />
|
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<style type="text/css"><![CDATA[
|
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html { background-color: green }
|
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@supports (color: blue) and (color: rainbow) {
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html { background-color: red }
|
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}
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]]></style>
|
||||
</head>
|
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<body>
|
||||
</body>
|
||||
</html>
|
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|
|
@ -0,0 +1,18 @@
|
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A disjunction of three @supports conditions must cause the @supports condition to pass if at least one of the sub-conditions passes."/>
|
||||
<link rel="match" href="pass.html" />
|
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<style type="text/css"><![CDATA[
|
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@supports (color: rainbow) or (color: iridescent) or (color: green) {
|
||||
html { background-color: green }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,18 @@
|
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A conjunction of three @supports conditions must cause the @supports condition to pass if all three sub-conditions pass."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports (color: red) and (color: green) and (color: blue) {
|
||||
html { background-color: green }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with invalid syntax must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A disjunction and a conjunction of @supports conditions must not be combined unless one of the two is surrounded by parentheses."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports (color: green) and (color: green) or (color: green) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with invalid syntax must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A disjunction and a conjunction of @supports conditions must not be combined unless one of the two is surrounded by parentheses."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports (color: green) or (color: green) and (color: green) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="There need not be any white space between the '@supports' and open brace of the rule set, not between a declaration's property name and value."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports(color:green){
|
||||
html { background-color: green }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A negation of an @supports condition must pass if and only if the sub-condition fails. The sub-condition here is a supported property name with an unsupported value."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports not (color: rainbow) {
|
||||
html { background-color: green }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with invalid syntax must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="The sub-condition of a negation in an @supports condition must be in parentheses."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports not not (color: green) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="The sub-condition of a negation in an @supports condition must be in parentheses."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports not (not (color: green)) {
|
||||
html { background-color: green }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with invalid syntax must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A conjunction in an @supports condition must have both sub-conditions enclosed in parentheses."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports not (color: rainbow) and not (color: iridescent) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax but a failing condition must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="An @supports condition that is a declaration with a supported property name with an unsupported value must fail."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports (unknown: green) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax but a failing condition must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A disjunction of two @supports conditions must cause the @supports condition to pass if one condition passes and the other fails due to being an unsupported property."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports (unknown: green) or (color: green) {
|
||||
html { background-color: green }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax but a failing condition must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A disjunction of two @supports conditions must cause the @supports condition to pass if one condition passes and the other fails due to being an unsupported property with an empty property value."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports (unknown:) or (color: green) {
|
||||
html { background-color: green }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with invalid syntax must not apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A property declaration in an @supports declaration must not omit the colon between the property name and value."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports (unknown) or (color: green) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A supported shorthand property declaration must be considered to pass."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports (font: 16px serif) {
|
||||
html { background-color: green }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: A nested @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="An inner @supports rule inside an outer @supports must apply its child rules only if both @supports conditions succeeded."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports (color: green) {
|
||||
@supports (color: blue) {
|
||||
html { background-color: green }
|
||||
}
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: A nested @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<link rel="help" href="http://www.w3.org/TR/css3-conditional/#at-media" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="An outer @supports rule with an inner @media rule must apply the rules inside the @media only if both the @supports and @media conditions pass."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports (color: green) {
|
||||
@media all {
|
||||
html { background-color: green }
|
||||
}
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: A nested @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<link rel="help" href="http://www.w3.org/TR/css3-conditional/#at-document" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="An outer @document rule with an inner @supports rule must apply the rules inside the @supports only if both the @supports and @document conditions pass."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@-moz-document url-prefix("") {
|
||||
@supports (color: green) {
|
||||
html { background-color: green }
|
||||
}
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: A nested @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="An inner @document rule with an outer @supports rule must apply the rules inside the @document only if both the @supports and @document conditions pass."/>
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
@supports (color: green) {
|
||||
@-moz-document url-prefix("") {
|
||||
html { background-color: green }
|
||||
}
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A disjunction in an @supports condition must have both sub-conditions enclosed in parentheses." />
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports not (color: rainbow) or (color: green) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: An @supports rule with valid syntax and a passing condition must apply rules inside it</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="A disjunction in an @supports condition must have both sub-conditions enclosed in parentheses." />
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports (not (color: rainbow) or (color: green)) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml">
|
||||
<head>
|
||||
<title>CSS Test: {{ brief but unique descriptive title of what's being tested }}</title>
|
||||
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au" />
|
||||
<link rel="help" href="http://www.w3.org/TR/#at-supports" />
|
||||
<meta name="flags" content="" />
|
||||
<meta name="assert" content="{{ explain precisely what is asserted when the test passes;
|
||||
optional but helps coordination and review }}" />
|
||||
<link rel="match" href="pass.html" />
|
||||
<style type="text/css"><![CDATA[
|
||||
html { background-color: green }
|
||||
@supports (not (color: rainbow) and (color: green)) {
|
||||
html { background-color: red }
|
||||
}
|
||||
]]></style>
|
||||
</head>
|
||||
<body>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
<!DOCTYPE html>
|
||||
<style>
|
||||
html { background-color: green }
|
||||
</style>
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
== css-supports-001.xht pass.html
|
||||
== css-supports-002.xht pass.html
|
||||
== css-supports-003.xht pass.html
|
||||
== css-supports-004.xht pass.html
|
||||
== css-supports-005.xht pass.html
|
||||
== css-supports-006.xht pass.html
|
||||
== css-supports-007.xht pass.html
|
||||
== css-supports-008.xht pass.html
|
||||
== css-supports-009.xht pass.html
|
||||
== css-supports-010.xht pass.html
|
||||
== css-supports-011.xht pass.html
|
||||
== css-supports-012.xht pass.html
|
||||
== css-supports-013.xht pass.html
|
||||
== css-supports-014.xht pass.html
|
||||
== css-supports-015.xht pass.html
|
||||
== css-supports-016.xht pass.html
|
||||
== css-supports-017.xht pass.html
|
||||
== css-supports-018.xht pass.html
|
||||
== css-supports-019.xht pass.html
|
||||
== css-supports-020.xht pass.html
|
||||
== css-supports-021.xht pass.html
|
||||
== css-supports-022.xht pass.html
|
||||
== css-supports-023.xht pass.html
|
||||
== css-supports-024.xht pass.html
|
||||
== css-supports-025.xht pass.html
|
||||
== css-supports-026.xht pass.html
|
||||
== css-supports-027.xht pass.html
|
||||
== css-supports-028.xht pass.html
|
||||
== css-supports-029.xht pass.html
|
||||
== css-supports-030.xht pass.html
|
||||
|
|
@ -16,6 +16,9 @@
|
|||
# Backgrounds and Borders Level 3
|
||||
# include background3/reftest.list
|
||||
|
||||
# Conditional Rules Level 3
|
||||
skip-if(!prefs.getBoolPref("layout.css.supports-rule.enabled")) include conditional3/reftest.list
|
||||
|
||||
# Fonts Level 3
|
||||
# include fonts3/reftest.list
|
||||
|
||||
|
|
|
|||
|
|
@ -68,7 +68,8 @@ public:
|
|||
PAGE_RULE,
|
||||
KEYFRAME_RULE,
|
||||
KEYFRAMES_RULE,
|
||||
DOCUMENT_RULE
|
||||
DOCUMENT_RULE,
|
||||
SUPPORTS_RULE
|
||||
};
|
||||
|
||||
virtual PRInt32 GetType() const = 0;
|
||||
|
|
|
|||
|
|
@ -333,6 +333,17 @@ protected:
|
|||
already_AddRefed<nsCSSKeyframeRule> ParseKeyframeRule();
|
||||
bool ParseKeyframeSelectorList(InfallibleTArray<float>& aSelectorList);
|
||||
|
||||
bool ParseSupportsRule(RuleAppendFunc aAppendFunc, void* aProcessData);
|
||||
bool ParseSupportsCondition(bool& aConditionMet);
|
||||
bool ParseSupportsConditionNegation(bool& aConditionMet);
|
||||
bool ParseSupportsConditionInParens(bool& aConditionMet);
|
||||
bool ParseSupportsConditionInParensInsideParens(bool& aConditionMet);
|
||||
bool ParseSupportsConditionTerms(bool& aConditionMet);
|
||||
enum SupportsConditionTermOperator { eAnd, eOr };
|
||||
bool ParseSupportsConditionTermsAfterOperator(
|
||||
bool& aConditionMet,
|
||||
SupportsConditionTermOperator aOperator);
|
||||
|
||||
enum nsSelectorParsingStatus {
|
||||
// we have parsed a selector and we saw a token that cannot be
|
||||
// part of a selector:
|
||||
|
|
@ -756,11 +767,11 @@ CSSParserImpl::CSSParserImpl()
|
|||
mUnitlessLengthQuirk(false),
|
||||
mUnsafeRulesEnabled(false),
|
||||
mHTMLMediaMode(false),
|
||||
mParsingCompoundProperty(false)
|
||||
mParsingCompoundProperty(false),
|
||||
#ifdef DEBUG
|
||||
, mScannerInited(false)
|
||||
mScannerInited(false),
|
||||
#endif
|
||||
, mNextFree(nullptr)
|
||||
mNextFree(nullptr)
|
||||
{
|
||||
}
|
||||
|
||||
|
|
@ -1369,7 +1380,8 @@ CSSParserImpl::CheckEndProperty()
|
|||
if ((eCSSToken_Symbol == mToken.mType) &&
|
||||
((';' == mToken.mSymbol) ||
|
||||
('!' == mToken.mSymbol) ||
|
||||
('}' == mToken.mSymbol))) {
|
||||
('}' == mToken.mSymbol) ||
|
||||
(')' == mToken.mSymbol))) {
|
||||
// XXX need to verify that ! is only followed by "important [;|}]
|
||||
// XXX this requires a multi-token pushback buffer
|
||||
UngetToken();
|
||||
|
|
@ -1513,6 +1525,11 @@ CSSParserImpl::ParseAtRule(RuleAppendFunc aAppendFunc,
|
|||
parseFunc = &CSSParserImpl::ParseKeyframesRule;
|
||||
newSection = eCSSSection_General;
|
||||
|
||||
} else if (mToken.mIdent.LowerCaseEqualsLiteral("supports") &&
|
||||
CSSSupportsRule::PrefEnabled()) {
|
||||
parseFunc = &CSSParserImpl::ParseSupportsRule;
|
||||
newSection = eCSSSection_General;
|
||||
|
||||
} else {
|
||||
if (!NonMozillaVendorIdentifier(mToken.mIdent)) {
|
||||
REPORT_UNEXPECTED_TOKEN(PEUnknownAtRule);
|
||||
|
|
@ -1957,7 +1974,7 @@ CSSParserImpl::ParseGroupRule(css::GroupRule* aRule,
|
|||
for (;;) {
|
||||
// Get next non-whitespace token
|
||||
if (! GetToken(true)) {
|
||||
REPORT_UNEXPECTED_EOF(PEGroupRuleEOF);
|
||||
REPORT_UNEXPECTED_EOF(PEGroupRuleEOF2);
|
||||
break;
|
||||
}
|
||||
if (mToken.IsSymbol('}')) { // done!
|
||||
|
|
@ -2334,6 +2351,228 @@ CSSParserImpl::ParseKeyframeSelectorList(InfallibleTArray<float>& aSelectorList)
|
|||
}
|
||||
}
|
||||
|
||||
// supports_rule
|
||||
// : "@supports" supports_condition group_rule_body
|
||||
// ;
|
||||
bool
|
||||
CSSParserImpl::ParseSupportsRule(RuleAppendFunc aAppendFunc, void* aProcessData)
|
||||
{
|
||||
bool conditionMet = false;
|
||||
nsString condition;
|
||||
|
||||
mScanner.StartRecording();
|
||||
bool parsed = ParseSupportsCondition(conditionMet);
|
||||
|
||||
if (!parsed) {
|
||||
mScanner.StopRecording();
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!ExpectSymbol('{', true)) {
|
||||
REPORT_UNEXPECTED_TOKEN(PESupportsGroupRuleStart);
|
||||
mScanner.StopRecording();
|
||||
return false;
|
||||
}
|
||||
|
||||
UngetToken();
|
||||
mScanner.StopRecording(condition);
|
||||
|
||||
// Remove the "{" that would follow the condition.
|
||||
if (condition.Length() != 0) {
|
||||
condition.Truncate(condition.Length() - 1);
|
||||
}
|
||||
|
||||
// Remove spaces from the start and end of the recorded supports condition.
|
||||
condition.Trim(" ", true, true, false);
|
||||
|
||||
nsRefPtr<css::GroupRule> rule = new CSSSupportsRule(conditionMet, condition);
|
||||
return ParseGroupRule(rule, aAppendFunc, aProcessData);
|
||||
}
|
||||
|
||||
// supports_condition
|
||||
// : supports_condition_in_parens supports_condition_terms
|
||||
// | supports_condition_negation
|
||||
// ;
|
||||
bool
|
||||
CSSParserImpl::ParseSupportsCondition(bool& aConditionMet)
|
||||
{
|
||||
if (!GetToken(true)) {
|
||||
REPORT_UNEXPECTED_EOF(PESupportsConditionStartEOF);
|
||||
return false;
|
||||
}
|
||||
|
||||
UngetToken();
|
||||
|
||||
if (mToken.IsSymbol('(')) {
|
||||
return ParseSupportsConditionInParens(aConditionMet) &&
|
||||
ParseSupportsConditionTerms(aConditionMet);
|
||||
}
|
||||
|
||||
if (mToken.mType == eCSSToken_Ident &&
|
||||
mToken.mIdent.LowerCaseEqualsLiteral("not")) {
|
||||
return ParseSupportsConditionNegation(aConditionMet);
|
||||
}
|
||||
|
||||
REPORT_UNEXPECTED_TOKEN(PESupportsConditionExpectedStart);
|
||||
return false;
|
||||
}
|
||||
|
||||
// supports_condition_negation
|
||||
// : 'not' S* supports_condition_in_parens
|
||||
// ;
|
||||
bool
|
||||
CSSParserImpl::ParseSupportsConditionNegation(bool& aConditionMet)
|
||||
{
|
||||
if (!GetToken(true)) {
|
||||
REPORT_UNEXPECTED_EOF(PESupportsConditionNotEOF);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (mToken.mType != eCSSToken_Ident ||
|
||||
!mToken.mIdent.LowerCaseEqualsLiteral("not")) {
|
||||
REPORT_UNEXPECTED_TOKEN(PESupportsConditionExpectedNot);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (ParseSupportsConditionInParens(aConditionMet)) {
|
||||
aConditionMet = !aConditionMet;
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
// supports_condition_in_parens
|
||||
// : '(' S* supports_condition_in_parens_inside_parens ')' S*
|
||||
// ;
|
||||
bool
|
||||
CSSParserImpl::ParseSupportsConditionInParens(bool& aConditionMet)
|
||||
{
|
||||
if (!ExpectSymbol('(', true)) {
|
||||
REPORT_UNEXPECTED_TOKEN(PESupportsConditionExpectedOpenParen);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!ParseSupportsConditionInParensInsideParens(aConditionMet)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!(ExpectSymbol(')', true))) {
|
||||
REPORT_UNEXPECTED_TOKEN(PESupportsConditionExpectedCloseParen);
|
||||
SkipUntil(')');
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// supports_condition_in_parens_inside_parens
|
||||
// : core_declaration
|
||||
// | supports_condition_negation
|
||||
// | supports_condition_in_parens supports_condition_terms
|
||||
// ;
|
||||
bool
|
||||
CSSParserImpl::ParseSupportsConditionInParensInsideParens(bool& aConditionMet)
|
||||
{
|
||||
if (!GetToken(true)) {
|
||||
REPORT_UNEXPECTED_EOF(PESupportsConditionInParensStartEOF);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (mToken.mType == eCSSToken_Ident) {
|
||||
if (!mToken.mIdent.LowerCaseEqualsLiteral("not")) {
|
||||
nsAutoString propertyName = mToken.mIdent;
|
||||
if (!ExpectSymbol(':', true)) {
|
||||
REPORT_UNEXPECTED_TOKEN(PEParseDeclarationNoColon);
|
||||
return false;
|
||||
}
|
||||
|
||||
nsCSSProperty propID = nsCSSProps::LookupProperty(propertyName,
|
||||
nsCSSProps::eEnabled);
|
||||
if (propID == eCSSProperty_UNKNOWN) {
|
||||
aConditionMet = false;
|
||||
SkipUntil(')');
|
||||
UngetToken();
|
||||
} else {
|
||||
aConditionMet = ParseProperty(propID) &&
|
||||
ParsePriority() != ePriority_Error;
|
||||
if (!aConditionMet) {
|
||||
SkipUntil(')');
|
||||
UngetToken();
|
||||
}
|
||||
mTempData.ClearProperty(propID);
|
||||
mTempData.AssertInitialState();
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
UngetToken();
|
||||
return ParseSupportsConditionNegation(aConditionMet);
|
||||
}
|
||||
|
||||
UngetToken();
|
||||
return ParseSupportsConditionInParens(aConditionMet) &&
|
||||
ParseSupportsConditionTerms(aConditionMet);
|
||||
}
|
||||
|
||||
// supports_condition_terms
|
||||
// : 'and' S* supports_condition_terms_after_operator('and')
|
||||
// | 'or' S* supports_condition_terms_after_operator('or')
|
||||
// |
|
||||
// ;
|
||||
bool
|
||||
CSSParserImpl::ParseSupportsConditionTerms(bool& aConditionMet)
|
||||
{
|
||||
if (!GetToken(true)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (mToken.mType != eCSSToken_Ident) {
|
||||
UngetToken();
|
||||
return true;
|
||||
}
|
||||
|
||||
if (mToken.mIdent.LowerCaseEqualsLiteral("and")) {
|
||||
return ParseSupportsConditionTermsAfterOperator(aConditionMet, eAnd);
|
||||
}
|
||||
|
||||
if (mToken.mIdent.LowerCaseEqualsLiteral("or")) {
|
||||
return ParseSupportsConditionTermsAfterOperator(aConditionMet, eOr);
|
||||
}
|
||||
|
||||
UngetToken();
|
||||
return true;
|
||||
}
|
||||
|
||||
// supports_condition_terms_after_operator(operator)
|
||||
// : supports_condition_in_parens ( <operator> supports_condition_in_parens )*
|
||||
// ;
|
||||
bool
|
||||
CSSParserImpl::ParseSupportsConditionTermsAfterOperator(
|
||||
bool& aConditionMet,
|
||||
CSSParserImpl::SupportsConditionTermOperator aOperator)
|
||||
{
|
||||
const char* token = aOperator == eAnd ? "and" : "or";
|
||||
for (;;) {
|
||||
bool termConditionMet = false;
|
||||
if (!ParseSupportsConditionInParens(termConditionMet)) {
|
||||
return false;
|
||||
}
|
||||
aConditionMet = aOperator == eAnd ? aConditionMet && termConditionMet :
|
||||
aConditionMet || termConditionMet;
|
||||
|
||||
if (!GetToken(true)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (mToken.mType != eCSSToken_Ident ||
|
||||
!mToken.mIdent.LowerCaseEqualsASCII(token)) {
|
||||
UngetToken();
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
CSSParserImpl::SkipUntil(PRUnichar aStopSymbol)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -3004,7 +3004,8 @@ CascadeRuleEnumFunc(css::Rule* aRule, void* aData)
|
|||
}
|
||||
}
|
||||
else if (css::Rule::MEDIA_RULE == type ||
|
||||
css::Rule::DOCUMENT_RULE == type) {
|
||||
css::Rule::DOCUMENT_RULE == type ||
|
||||
css::Rule::SUPPORTS_RULE == type) {
|
||||
css::GroupRule* groupRule = static_cast<css::GroupRule*>(aRule);
|
||||
if (groupRule->UseForPresentation(data->mPresContext, data->mCacheKey))
|
||||
if (!groupRule->EnumerateRulesForwards(CascadeRuleEnumFunc, aData))
|
||||
|
|
|
|||
|
|
@ -2166,4 +2166,132 @@ nsCSSKeyframesRule::SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const
|
|||
return n;
|
||||
}
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
CSSSupportsRule::CSSSupportsRule(bool aConditionMet,
|
||||
const nsString& aCondition)
|
||||
: mUseGroup(aConditionMet),
|
||||
mCondition(aCondition)
|
||||
{
|
||||
}
|
||||
|
||||
CSSSupportsRule::CSSSupportsRule(const CSSSupportsRule& aCopy)
|
||||
: css::GroupRule(aCopy),
|
||||
mUseGroup(aCopy.mUseGroup),
|
||||
mCondition(aCopy.mCondition)
|
||||
{
|
||||
}
|
||||
|
||||
#ifdef DEBUG
|
||||
/* virtual */ void
|
||||
CSSSupportsRule::List(FILE* out, PRInt32 aIndent) const
|
||||
{
|
||||
for (PRInt32 indent = aIndent; --indent >= 0; ) fputs(" ", out);
|
||||
|
||||
nsAutoString buffer;
|
||||
|
||||
fputs("@supports ", out);
|
||||
|
||||
fputs(NS_LossyConvertUTF16toASCII(mCondition).get(), out);
|
||||
|
||||
css::GroupRule::List(out, aIndent);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* virtual */ PRInt32
|
||||
CSSSupportsRule::GetType() const
|
||||
{
|
||||
return Rule::SUPPORTS_RULE;
|
||||
}
|
||||
|
||||
/* virtual */ already_AddRefed<mozilla::css::Rule>
|
||||
CSSSupportsRule::Clone() const
|
||||
{
|
||||
nsRefPtr<css::Rule> clone = new CSSSupportsRule(*this);
|
||||
return clone.forget();
|
||||
}
|
||||
|
||||
/* virtual */ bool
|
||||
CSSSupportsRule::UseForPresentation(nsPresContext* aPresContext,
|
||||
nsMediaQueryResultCacheKey& aKey)
|
||||
{
|
||||
return mUseGroup;
|
||||
}
|
||||
|
||||
NS_IMPL_ADDREF_INHERITED(CSSSupportsRule, css::GroupRule)
|
||||
NS_IMPL_RELEASE_INHERITED(CSSSupportsRule, css::GroupRule)
|
||||
|
||||
// QueryInterface implementation for CSSSupportsRule
|
||||
NS_INTERFACE_MAP_BEGIN(CSSSupportsRule)
|
||||
NS_INTERFACE_MAP_ENTRY(nsIStyleRule)
|
||||
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSRule)
|
||||
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSSupportsRule)
|
||||
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIStyleRule)
|
||||
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CSSSupportsRule)
|
||||
NS_INTERFACE_MAP_END
|
||||
|
||||
// nsIDOMCSSRule methods
|
||||
NS_IMETHODIMP
|
||||
CSSSupportsRule::GetType(PRUint16* aType)
|
||||
{
|
||||
*aType = nsIDOMCSSRule::SUPPORTS_RULE;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
CSSSupportsRule::GetCssText(nsAString& aCssText)
|
||||
{
|
||||
aCssText.AssignLiteral("@supports ");
|
||||
aCssText.Append(mCondition);
|
||||
return css::GroupRule::AppendRulesToCssText(aCssText);
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
CSSSupportsRule::SetCssText(const nsAString& aCssText)
|
||||
{
|
||||
return NS_ERROR_NOT_IMPLEMENTED;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
CSSSupportsRule::GetParentStyleSheet(nsIDOMCSSStyleSheet** aSheet)
|
||||
{
|
||||
return css::GroupRule::GetParentStyleSheet(aSheet);
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
CSSSupportsRule::GetParentRule(nsIDOMCSSRule** aParentRule)
|
||||
{
|
||||
return css::GroupRule::GetParentRule(aParentRule);
|
||||
}
|
||||
|
||||
/* virtual */ size_t
|
||||
CSSSupportsRule::SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const
|
||||
{
|
||||
size_t n = aMallocSizeOf(this);
|
||||
n += css::GroupRule::SizeOfExcludingThis(aMallocSizeOf);
|
||||
n += mCondition.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
|
||||
return n;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
CSSSupportsRule::GetCssRules(nsIDOMCSSRuleList* *aRuleList)
|
||||
{
|
||||
return css::GroupRule::GetCssRules(aRuleList);
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
CSSSupportsRule::InsertRule(const nsAString & aRule, PRUint32 aIndex, PRUint32* _retval)
|
||||
{
|
||||
return css::GroupRule::InsertRule(aRule, aIndex, _retval);
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
CSSSupportsRule::DeleteRule(PRUint32 aIndex)
|
||||
{
|
||||
return css::GroupRule::DeleteRule(aIndex);
|
||||
}
|
||||
|
||||
} // namespace mozilla
|
||||
|
||||
// Must be outside namespace
|
||||
DOMCI_DATA(CSSSupportsRule, mozilla::CSSSupportsRule)
|
||||
|
|
|
|||
|
|
@ -12,9 +12,11 @@
|
|||
#include "mozilla/Attributes.h"
|
||||
|
||||
#include "mozilla/css/GroupRule.h"
|
||||
#include "mozilla/Preferences.h"
|
||||
#include "nsIDOMCSSFontFaceRule.h"
|
||||
#include "nsIDOMCSSMediaRule.h"
|
||||
#include "nsIDOMCSSMozDocumentRule.h"
|
||||
#include "nsIDOMCSSFontFaceRule.h"
|
||||
#include "nsIDOMCSSSupportsRule.h"
|
||||
#include "nsIDOMMozCSSKeyframeRule.h"
|
||||
#include "nsIDOMMozCSSKeyframesRule.h"
|
||||
#include "nsIDOMCSSStyleDeclaration.h"
|
||||
|
|
@ -410,4 +412,50 @@ private:
|
|||
nsString mName;
|
||||
};
|
||||
|
||||
namespace mozilla {
|
||||
|
||||
class CSSSupportsRule : public css::GroupRule,
|
||||
public nsIDOMCSSSupportsRule
|
||||
{
|
||||
public:
|
||||
CSSSupportsRule(bool aConditionMet, const nsString& aCondition);
|
||||
CSSSupportsRule(const CSSSupportsRule& aCopy);
|
||||
|
||||
// nsIStyleRule methods
|
||||
#ifdef DEBUG
|
||||
virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
|
||||
#endif
|
||||
|
||||
// Rule methods
|
||||
virtual PRInt32 GetType() const;
|
||||
virtual already_AddRefed<mozilla::css::Rule> Clone() const;
|
||||
virtual bool UseForPresentation(nsPresContext* aPresContext,
|
||||
nsMediaQueryResultCacheKey& aKey);
|
||||
virtual nsIDOMCSSRule* GetDOMRule()
|
||||
{
|
||||
return this;
|
||||
}
|
||||
|
||||
NS_DECL_ISUPPORTS_INHERITED
|
||||
|
||||
// nsIDOMCSSRule interface
|
||||
NS_DECL_NSIDOMCSSRULE
|
||||
|
||||
// nsIDOMCSSSupportsRule interface
|
||||
NS_DECL_NSIDOMCSSSUPPORTSRULE
|
||||
|
||||
virtual size_t SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const;
|
||||
|
||||
static bool PrefEnabled()
|
||||
{
|
||||
return Preferences::GetBool("layout.css.supports-rule.enabled");
|
||||
}
|
||||
|
||||
protected:
|
||||
bool mUseGroup;
|
||||
nsString mCondition;
|
||||
};
|
||||
|
||||
} // namespace mozilla
|
||||
|
||||
#endif /* !defined(nsCSSRules_h_) */
|
||||
|
|
|
|||
|
|
@ -347,6 +347,7 @@ nsCSSScanner::Init(const nsAString& aBuffer,
|
|||
// Reset variables that we use to keep track of our progress through the input
|
||||
mOffset = 0;
|
||||
mPushbackCount = 0;
|
||||
mRecording = false;
|
||||
|
||||
#ifdef CSS_REPORT_PARSE_ERRORS
|
||||
mColNumber = 0;
|
||||
|
|
@ -641,6 +642,30 @@ nsCSSScanner::Pushback(PRUnichar aChar)
|
|||
mPushback[mPushbackCount++] = aChar;
|
||||
}
|
||||
|
||||
void
|
||||
nsCSSScanner::StartRecording()
|
||||
{
|
||||
NS_ASSERTION(!mRecording, "already started recording");
|
||||
mRecording = true;
|
||||
mRecordStartOffset = mOffset - mPushbackCount;
|
||||
}
|
||||
|
||||
void
|
||||
nsCSSScanner::StopRecording()
|
||||
{
|
||||
NS_ASSERTION(mRecording, "haven't started recording");
|
||||
mRecording = false;
|
||||
}
|
||||
|
||||
void
|
||||
nsCSSScanner::StopRecording(nsString& aBuffer)
|
||||
{
|
||||
NS_ASSERTION(mRecording, "haven't started recording");
|
||||
mRecording = false;
|
||||
aBuffer.Append(mReadPointer + mRecordStartOffset,
|
||||
mOffset - mPushbackCount - mRecordStartOffset);
|
||||
}
|
||||
|
||||
bool
|
||||
nsCSSScanner::LookAhead(PRUnichar aChar)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -168,6 +168,16 @@ public:
|
|||
// "-1" back so we can read it again as a number.)
|
||||
void Pushback(PRUnichar aChar);
|
||||
|
||||
// Starts recording the input stream from the current position.
|
||||
void StartRecording();
|
||||
|
||||
// Abandons recording of the input stream.
|
||||
void StopRecording();
|
||||
|
||||
// Stops recording of the input stream and appends the recorded
|
||||
// input to aBuffer.
|
||||
void StopRecording(nsString& aBuffer);
|
||||
|
||||
protected:
|
||||
PRInt32 Read();
|
||||
PRInt32 Peek();
|
||||
|
|
@ -197,6 +207,9 @@ protected:
|
|||
PRUint32 mLineNumber;
|
||||
// True if we are in SVG mode; false in "normal" CSS
|
||||
bool mSVGMode;
|
||||
bool mRecording;
|
||||
PRUint32 mRecordStartOffset;
|
||||
|
||||
#ifdef CSS_REPORT_PARSE_ERRORS
|
||||
nsXPIDLCString mFileName;
|
||||
nsCOMPtr<nsIURI> mURI; // Cached so we know to not refetch mFileName
|
||||
|
|
|
|||
|
|
@ -129,6 +129,7 @@ MOCHITEST_FILES = test_acid3_test46.html \
|
|||
test_selectors_on_anonymous_content.html \
|
||||
test_shorthand_property_getters.html \
|
||||
test_style_struct_copy_constructors.html \
|
||||
test_supports_rules.html \
|
||||
test_system_font_serialization.html \
|
||||
test_transitions_and_zoom.html \
|
||||
test_transitions_cancel_near_end.html \
|
||||
|
|
|
|||
|
|
@ -0,0 +1,45 @@
|
|||
<!DOCTYPE HTML>
|
||||
<html>
|
||||
<!--
|
||||
https://bugzilla.mozilla.org/show_bug.cgi?id=649740
|
||||
-->
|
||||
<head>
|
||||
<title>Test for Bug 649740</title>
|
||||
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
|
||||
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
|
||||
<style id="style">
|
||||
@supports(color: green){ }
|
||||
@supports (color: green) { }
|
||||
@supports ((color: green)) { }
|
||||
@supports (color: green) and (color: blue) { }
|
||||
@supports ( Font: 20px serif ! Important) { }
|
||||
@supports(a:) { }
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=649740">Mozilla Bug 649740</a>
|
||||
<p id="display"></p>
|
||||
<div id="content" style="display: none">
|
||||
|
||||
</div>
|
||||
<pre id="test">
|
||||
<script type="application/javascript">
|
||||
|
||||
/** Test for Bug 649740 **/
|
||||
|
||||
function condition(s) {
|
||||
return s.replace(/^@supports\s*/, '').replace(/ \s*{\s*}\s*$/, '');
|
||||
}
|
||||
|
||||
var sheet = document.getElementById("style").sheet;
|
||||
|
||||
is(condition(sheet.cssRules[0].cssText), "(color: green)");
|
||||
is(condition(sheet.cssRules[1].cssText), "(color: green)");
|
||||
is(condition(sheet.cssRules[2].cssText), "((color: green))");
|
||||
is(condition(sheet.cssRules[3].cssText), "(color: green) and (color: blue)");
|
||||
is(condition(sheet.cssRules[4].cssText), "( Font: 20px serif ! Important)");
|
||||
is(condition(sheet.cssRules[5].cssText), "(a:)");
|
||||
</script>
|
||||
</pre>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -1556,6 +1556,9 @@ pref("layout.css.dpi", -1);
|
|||
// we have to get this feature working on all platforms.
|
||||
pref("layout.css.devPixelsPerPx", "1.0");
|
||||
|
||||
// Is support for the the @supports rule enabled?
|
||||
pref("layout.css.supports-rule.enabled", true);
|
||||
|
||||
// pref for which side vertical scrollbars should be on
|
||||
// 0 = end-side in UI direction
|
||||
// 1 = end-side in document/content direction
|
||||
|
|
|
|||
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