LCOV - code coverage report
Current view: directory - content/svg/content/src - DOMSVGTests.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 104 0 0.0 %
Date: 2012-06-02 Functions: 16 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is the Mozilla SVG project.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Robert Longson <longsonr@gmail.com>
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "DOMSVGTests.h"
      39                 : #include "DOMSVGStringList.h"
      40                 : #include "nsSVGFeatures.h"
      41                 : #include "nsSVGSwitchElement.h"
      42                 : #include "nsCharSeparatedTokenizer.h"
      43                 : #include "nsStyleUtil.h"
      44                 : #include "nsSVGUtils.h"
      45                 : #include "mozilla/Preferences.h"
      46                 : 
      47                 : using namespace mozilla;
      48                 : 
      49               0 : NS_IMPL_ISUPPORTS1(DOMSVGTests, nsIDOMSVGTests)
      50                 : 
      51                 : nsIAtom** DOMSVGTests::sStringListNames[3] =
      52                 : {
      53                 :   &nsGkAtoms::requiredFeatures,
      54                 :   &nsGkAtoms::requiredExtensions,
      55                 :   &nsGkAtoms::systemLanguage,
      56                 : };
      57                 : 
      58               0 : DOMSVGTests::DOMSVGTests()
      59                 : {
      60               0 :   mStringListAttributes[LANGUAGE].SetIsCommaSeparated(true);
      61               0 : }
      62                 : 
      63                 : /* readonly attribute nsIDOMSVGStringList requiredFeatures; */
      64                 : NS_IMETHODIMP
      65               0 : DOMSVGTests::GetRequiredFeatures(nsIDOMSVGStringList * *aRequiredFeatures)
      66                 : {
      67               0 :   nsCOMPtr<nsSVGElement> element = do_QueryInterface(this);
      68                 :   *aRequiredFeatures = DOMSVGStringList::GetDOMWrapper(
      69               0 :                          &mStringListAttributes[FEATURES], element, true, FEATURES).get();
      70               0 :   return NS_OK;
      71                 : }
      72                 : 
      73                 : /* readonly attribute nsIDOMSVGStringList requiredExtensions; */
      74                 : NS_IMETHODIMP
      75               0 : DOMSVGTests::GetRequiredExtensions(nsIDOMSVGStringList * *aRequiredExtensions)
      76                 : {
      77               0 :   nsCOMPtr<nsSVGElement> element = do_QueryInterface(this);
      78                 :   *aRequiredExtensions = DOMSVGStringList::GetDOMWrapper(
      79               0 :                            &mStringListAttributes[EXTENSIONS], element, true, EXTENSIONS).get();
      80               0 :   return NS_OK;
      81                 : }
      82                 : 
      83                 : /* readonly attribute nsIDOMSVGStringList systemLanguage; */
      84                 : NS_IMETHODIMP
      85               0 : DOMSVGTests::GetSystemLanguage(nsIDOMSVGStringList * *aSystemLanguage)
      86                 : {
      87               0 :   nsCOMPtr<nsSVGElement> element = do_QueryInterface(this);
      88                 :   *aSystemLanguage = DOMSVGStringList::GetDOMWrapper(
      89               0 :                        &mStringListAttributes[LANGUAGE], element, true, LANGUAGE).get();
      90               0 :   return NS_OK;
      91                 : }
      92                 : 
      93                 : /* boolean hasExtension (in DOMString extension); */
      94                 : NS_IMETHODIMP
      95               0 : DOMSVGTests::HasExtension(const nsAString & extension, bool *_retval)
      96                 : {
      97               0 :   *_retval = nsSVGFeatures::HasExtension(extension);
      98               0 :   return NS_OK;
      99                 : }
     100                 : 
     101                 : bool
     102               0 : DOMSVGTests::IsConditionalProcessingAttribute(const nsIAtom* aAttribute) const
     103                 : {
     104               0 :   for (PRUint32 i = 0; i < ArrayLength(sStringListNames); i++) {
     105               0 :     if (aAttribute == *sStringListNames[i]) {
     106               0 :       return true;
     107                 :     }
     108                 :   }
     109               0 :   return false;
     110                 : }
     111                 : 
     112                 : PRInt32
     113               0 : DOMSVGTests::GetBestLanguagePreferenceRank(const nsSubstring& aAcceptLangs) const
     114                 : {
     115               0 :   const nsDefaultStringComparator defaultComparator;
     116                 : 
     117               0 :   PRInt32 lowestRank = -1;
     118                 : 
     119               0 :   for (PRUint32 i = 0; i < mStringListAttributes[LANGUAGE].Length(); i++) {
     120               0 :     nsCharSeparatedTokenizer languageTokenizer(aAcceptLangs, ',');
     121               0 :     PRInt32 index = 0;
     122               0 :     while (languageTokenizer.hasMoreTokens()) {
     123               0 :       const nsSubstring &languageToken = languageTokenizer.nextToken();
     124               0 :       bool exactMatch = (languageToken == mStringListAttributes[LANGUAGE][i]);
     125                 :       bool prefixOnlyMatch =
     126               0 :         !exactMatch &&
     127               0 :         nsStyleUtil::DashMatchCompare(mStringListAttributes[LANGUAGE][i],
     128               0 :                                       languageTokenizer.nextToken(),
     129               0 :                                       defaultComparator);
     130               0 :       if (index == 0 && exactMatch) {
     131                 :         // best possible match
     132               0 :         return 0;
     133                 :       }
     134               0 :       if ((exactMatch || prefixOnlyMatch) &&
     135                 :           (lowestRank == -1 || 2 * index + prefixOnlyMatch < lowestRank)) {
     136               0 :         lowestRank = 2 * index + prefixOnlyMatch;
     137                 :       }
     138               0 :       ++index;
     139                 :     }
     140                 :   }
     141               0 :   return lowestRank;
     142                 : }
     143                 : 
     144                 : const nsString * const DOMSVGTests::kIgnoreSystemLanguage = (nsString *) 0x01;
     145                 : 
     146                 : bool
     147               0 : DOMSVGTests::PassesConditionalProcessingTests(const nsString *aAcceptLangs) const
     148                 : {
     149                 :   // Required Features
     150               0 :   if (mStringListAttributes[FEATURES].IsExplicitlySet()) {
     151               0 :     if (mStringListAttributes[FEATURES].IsEmpty()) {
     152               0 :       return false;
     153                 :     }
     154                 :     nsCOMPtr<nsIContent> content(
     155               0 :       do_QueryInterface(const_cast<DOMSVGTests*>(this)));
     156                 : 
     157               0 :     for (PRUint32 i = 0; i < mStringListAttributes[FEATURES].Length(); i++) {
     158               0 :       if (!nsSVGFeatures::HasFeature(content, mStringListAttributes[FEATURES][i])) {
     159               0 :         return false;
     160                 :       }
     161                 :     }
     162                 :   }
     163                 : 
     164                 :   // Required Extensions
     165                 :   //
     166                 :   // The requiredExtensions  attribute defines a list of required language
     167                 :   // extensions. Language extensions are capabilities within a user agent that
     168                 :   // go beyond the feature set defined in the SVG specification.
     169                 :   // Each extension is identified by a URI reference.
     170                 :   // For now, claim that mozilla's SVG implementation supports XHTML and MathML.
     171               0 :   if (mStringListAttributes[EXTENSIONS].IsExplicitlySet()) {
     172               0 :     if (mStringListAttributes[EXTENSIONS].IsEmpty()) {
     173               0 :       return false;
     174                 :     }
     175               0 :     for (PRUint32 i = 0; i < mStringListAttributes[EXTENSIONS].Length(); i++) {
     176               0 :       if (!nsSVGFeatures::HasExtension(mStringListAttributes[EXTENSIONS][i])) {
     177               0 :         return false;
     178                 :       }
     179                 :     }
     180                 :   }
     181                 : 
     182               0 :   if (aAcceptLangs == kIgnoreSystemLanguage) {
     183               0 :     return true;
     184                 :   }
     185                 : 
     186                 :   // systemLanguage
     187                 :   //
     188                 :   // Evaluates to "true" if one of the languages indicated by user preferences
     189                 :   // exactly equals one of the languages given in the value of this parameter,
     190                 :   // or if one of the languages indicated by user preferences exactly equals a
     191                 :   // prefix of one of the languages given in the value of this parameter such
     192                 :   // that the first tag character following the prefix is "-".
     193               0 :   if (mStringListAttributes[LANGUAGE].IsExplicitlySet()) {
     194               0 :     if (mStringListAttributes[LANGUAGE].IsEmpty()) {
     195               0 :       return false;
     196                 :     }
     197                 : 
     198                 :     // Get our language preferences
     199                 :     const nsAutoString acceptLangs(aAcceptLangs ? *aAcceptLangs :
     200               0 :       Preferences::GetLocalizedString("intl.accept_languages"));
     201                 : 
     202               0 :     if (acceptLangs.IsEmpty()) {
     203               0 :       NS_WARNING("no default language specified for systemLanguage conditional test");
     204               0 :       return false;
     205                 :     }
     206                 : 
     207               0 :     const nsDefaultStringComparator defaultComparator;
     208                 : 
     209               0 :     for (PRUint32 i = 0; i < mStringListAttributes[LANGUAGE].Length(); i++) {
     210               0 :       nsCharSeparatedTokenizer languageTokenizer(acceptLangs, ',');
     211               0 :       while (languageTokenizer.hasMoreTokens()) {
     212               0 :         if (nsStyleUtil::DashMatchCompare(mStringListAttributes[LANGUAGE][i],
     213               0 :                                           languageTokenizer.nextToken(),
     214               0 :                                           defaultComparator)) {
     215               0 :           return true;
     216                 :         }
     217                 :       }
     218                 :     }
     219               0 :     return false;
     220                 :   }
     221                 : 
     222               0 :   return true;
     223                 : }
     224                 : 
     225                 : bool
     226               0 : DOMSVGTests::ParseConditionalProcessingAttribute(nsIAtom* aAttribute,
     227                 :                                                  const nsAString& aValue,
     228                 :                                                  nsAttrValue& aResult)
     229                 : {
     230               0 :   for (PRUint32 i = 0; i < ArrayLength(sStringListNames); i++) {
     231               0 :     if (aAttribute == *sStringListNames[i]) {
     232               0 :       nsresult rv = mStringListAttributes[i].SetValue(aValue);
     233               0 :       if (NS_FAILED(rv)) {
     234               0 :         mStringListAttributes[i].Clear();
     235                 :       }
     236               0 :       MaybeInvalidate();
     237               0 :       return true;
     238                 :     }
     239                 :   }
     240               0 :   return false;
     241                 : }
     242                 : 
     243                 : void
     244               0 : DOMSVGTests::UnsetAttr(const nsIAtom* aAttribute)
     245                 : {
     246               0 :   for (PRUint32 i = 0; i < ArrayLength(sStringListNames); i++) {
     247               0 :     if (aAttribute == *sStringListNames[i]) {
     248               0 :       mStringListAttributes[i].Clear();
     249               0 :       MaybeInvalidate();
     250               0 :       return;
     251                 :     }
     252                 :   }
     253                 : }
     254                 : 
     255                 : nsIAtom*
     256               0 : DOMSVGTests::GetAttrName(PRUint8 aAttrEnum) const
     257                 : {
     258               0 :   return *sStringListNames[aAttrEnum];
     259                 : }
     260                 : 
     261                 : void
     262               0 : DOMSVGTests::GetAttrValue(PRUint8 aAttrEnum, nsAttrValue& aValue) const
     263                 : {
     264               0 :   NS_ABORT_IF_FALSE(aAttrEnum >= 0 && aAttrEnum < ArrayLength(sStringListNames),
     265                 :                     "aAttrEnum out of range");
     266               0 :   aValue.SetTo(mStringListAttributes[aAttrEnum], nsnull);
     267               0 : }
     268                 : 
     269                 : void
     270               0 : DOMSVGTests::MaybeInvalidate()
     271                 : {
     272               0 :   nsCOMPtr<nsSVGElement> element = do_QueryInterface(this);
     273                 : 
     274               0 :   nsIContent* parent = element->GetFlattenedTreeParent();
     275                 : 
     276               0 :   if (parent &&
     277               0 :       parent->NodeInfo()->Equals(nsGkAtoms::svgSwitch, kNameSpaceID_SVG)) {
     278               0 :     static_cast<nsSVGSwitchElement*>(parent)->MaybeInvalidate();
     279                 :   }
     280               0 : }

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