LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGNumberPair.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 109 2 1.8 %
Date: 2012-06-02 Functions: 20 2 10.0 %

       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 Robert Longson.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *
      23                 :  * Alternatively, the contents of this file may be used under the terms of
      24                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      25                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      27                 :  * of those above. If you wish to allow use of your version of this file only
      28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      29                 :  * use your version of this file under the terms of the MPL, indicate your
      30                 :  * decision by deleting the provisions above and replace them with the notice
      31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      32                 :  * the provisions above, a recipient may use your version of this file under
      33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      34                 :  *
      35                 :  * ***** END LICENSE BLOCK ***** */
      36                 : 
      37                 : #include "nsSVGNumberPair.h"
      38                 : #include "nsSVGUtils.h"
      39                 : #include "nsCharSeparatedTokenizer.h"
      40                 : #include "prdtoa.h"
      41                 : #include "nsDOMError.h"
      42                 : #include "nsMathUtils.h"
      43                 : #include "nsSMILValue.h"
      44                 : #include "SVGNumberPairSMILType.h"
      45                 : 
      46                 : using namespace mozilla;
      47                 : 
      48            1464 : NS_SVG_VAL_IMPL_CYCLE_COLLECTION(nsSVGNumberPair::DOMAnimatedNumber, mSVGElement)
      49                 : 
      50               0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(nsSVGNumberPair::DOMAnimatedNumber)
      51               0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(nsSVGNumberPair::DOMAnimatedNumber)
      52                 : 
      53                 : DOMCI_DATA(SVGAnimatedNumberPair, nsSVGNumberPair::DOMAnimatedNumber)
      54                 : 
      55               0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsSVGNumberPair::DOMAnimatedNumber)
      56               0 :   NS_INTERFACE_MAP_ENTRY(nsIDOMSVGAnimatedNumber)
      57               0 :   NS_INTERFACE_MAP_ENTRY(nsISupports)
      58               0 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGAnimatedNumber)
      59               0 : NS_INTERFACE_MAP_END
      60                 : 
      61                 : /* Implementation */
      62                 : 
      63                 : static nsresult
      64               0 : ParseNumberOptionalNumber(const nsAString& aValue,
      65                 :                           float aValues[2])
      66                 : {
      67                 :   nsCharSeparatedTokenizerTemplate<IsSVGWhitespace>
      68                 :     tokenizer(aValue, ',',
      69               0 :               nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
      70               0 :   if (tokenizer.firstTokenBeganWithWhitespace()) {
      71               0 :     return NS_ERROR_DOM_SYNTAX_ERR;
      72                 :   }
      73                 : 
      74                 :   PRUint32 i;
      75               0 :   for (i = 0; i < 2 && tokenizer.hasMoreTokens(); ++i) {
      76               0 :     NS_ConvertUTF16toUTF8 utf8Token(tokenizer.nextToken());
      77               0 :     const char *token = utf8Token.get();
      78               0 :     if (*token == '\0') {
      79               0 :       return NS_ERROR_DOM_SYNTAX_ERR; // empty string (e.g. two commas in a row)
      80                 :     }
      81                 : 
      82                 :     char *end;
      83               0 :     aValues[i] = float(PR_strtod(token, &end));
      84               0 :     if (*end != '\0' || !NS_finite(aValues[i])) {
      85               0 :       return NS_ERROR_DOM_SYNTAX_ERR; // parse error
      86                 :     }
      87                 :   }
      88               0 :   if (i == 1) {
      89               0 :     aValues[1] = aValues[0];
      90                 :   }
      91                 : 
      92               0 :   if (i == 0 ||                                   // Too few values.
      93               0 :       tokenizer.hasMoreTokens() ||                // Too many values.
      94               0 :       tokenizer.lastTokenEndedWithWhitespace() || // Trailing whitespace.
      95               0 :       tokenizer.lastTokenEndedWithSeparator()) {  // Trailing comma.
      96               0 :     return NS_ERROR_DOM_SYNTAX_ERR;
      97                 :   }
      98                 : 
      99               0 :   return NS_OK;
     100                 : }
     101                 : 
     102                 : nsresult
     103               0 : nsSVGNumberPair::SetBaseValueString(const nsAString &aValueAsString,
     104                 :                                     nsSVGElement *aSVGElement)
     105                 : {
     106                 :   float val[2];
     107                 : 
     108               0 :   nsresult rv = ParseNumberOptionalNumber(aValueAsString, val);
     109               0 :   if (NS_FAILED(rv)) {
     110               0 :     return rv;
     111                 :   }
     112                 : 
     113               0 :   mBaseVal[0] = val[0];
     114               0 :   mBaseVal[1] = val[1];
     115               0 :   mIsBaseSet = true;
     116               0 :   if (!mIsAnimated) {
     117               0 :     mAnimVal[0] = mBaseVal[0];
     118               0 :     mAnimVal[1] = mBaseVal[1];
     119                 :   }
     120                 :   else {
     121               0 :     aSVGElement->AnimationNeedsResample();
     122                 :   }
     123                 : 
     124                 :   // We don't need to call Will/DidChange* here - we're only called by
     125                 :   // nsSVGElement::ParseAttribute under nsGenericElement::SetAttr,
     126                 :   // which takes care of notifying.
     127               0 :   return NS_OK;
     128                 : }
     129                 : 
     130                 : void
     131               0 : nsSVGNumberPair::GetBaseValueString(nsAString &aValueAsString) const
     132                 : {
     133               0 :   aValueAsString.Truncate();
     134               0 :   aValueAsString.AppendFloat(mBaseVal[0]);
     135               0 :   if (mBaseVal[0] != mBaseVal[1]) {
     136               0 :     aValueAsString.AppendLiteral(", ");
     137               0 :     aValueAsString.AppendFloat(mBaseVal[1]);
     138                 :   }
     139               0 : }
     140                 : 
     141                 : void
     142               0 : nsSVGNumberPair::SetBaseValue(float aValue, PairIndex aPairIndex,
     143                 :                               nsSVGElement *aSVGElement)
     144                 : {
     145               0 :   PRUint32 index = (aPairIndex == eFirst ? 0 : 1);
     146               0 :   if (mIsBaseSet && mBaseVal[index] == aValue) {
     147               0 :     return;
     148                 :   }
     149               0 :   nsAttrValue emptyOrOldValue = aSVGElement->WillChangeNumberPair(mAttrEnum);
     150               0 :   mBaseVal[index] = aValue;
     151               0 :   mIsBaseSet = true;
     152               0 :   if (!mIsAnimated) {
     153               0 :     mAnimVal[index] = aValue;
     154                 :   }
     155                 :   else {
     156               0 :     aSVGElement->AnimationNeedsResample();
     157                 :   }
     158               0 :   aSVGElement->DidChangeNumberPair(mAttrEnum, emptyOrOldValue);
     159                 : }
     160                 : 
     161                 : void
     162               0 : nsSVGNumberPair::SetBaseValues(float aValue1, float aValue2,
     163                 :                                nsSVGElement *aSVGElement)
     164                 : {
     165               0 :   if (mIsBaseSet && mBaseVal[0] == aValue1 && mBaseVal[1] == aValue2) {
     166               0 :     return;
     167                 :   }
     168               0 :   nsAttrValue emptyOrOldValue = aSVGElement->WillChangeNumberPair(mAttrEnum);
     169               0 :   mBaseVal[0] = aValue1;
     170               0 :   mBaseVal[1] = aValue2;
     171               0 :   mIsBaseSet = true;
     172               0 :   if (!mIsAnimated) {
     173               0 :     mAnimVal[0] = aValue1;
     174               0 :     mAnimVal[1] = aValue2;
     175                 :   }
     176                 :   else {
     177               0 :     aSVGElement->AnimationNeedsResample();
     178                 :   }
     179               0 :   aSVGElement->DidChangeNumberPair(mAttrEnum, emptyOrOldValue);
     180                 : }
     181                 : 
     182                 : void
     183               0 : nsSVGNumberPair::SetAnimValue(const float aValue[2], nsSVGElement *aSVGElement)
     184                 : {
     185               0 :   mAnimVal[0] = aValue[0];
     186               0 :   mAnimVal[1] = aValue[1];
     187               0 :   mIsAnimated = true;
     188               0 :   aSVGElement->DidAnimateNumberPair(mAttrEnum);
     189               0 : }
     190                 : 
     191                 : nsresult
     192               0 : nsSVGNumberPair::ToDOMAnimatedNumber(nsIDOMSVGAnimatedNumber **aResult,
     193                 :                                      PairIndex aIndex,
     194                 :                                      nsSVGElement *aSVGElement)
     195                 : {
     196               0 :   *aResult = new DOMAnimatedNumber(this, aIndex, aSVGElement);
     197               0 :   NS_ADDREF(*aResult);
     198               0 :   return NS_OK;
     199                 : }
     200                 : 
     201                 : nsISMILAttr*
     202               0 : nsSVGNumberPair::ToSMILAttr(nsSVGElement *aSVGElement)
     203                 : {
     204               0 :   return new SMILNumberPair(this, aSVGElement);
     205                 : }
     206                 : 
     207                 : nsresult
     208               0 : nsSVGNumberPair::SMILNumberPair::ValueFromString(const nsAString& aStr,
     209                 :                                                  const nsISMILAnimationElement* /*aSrcElement*/,
     210                 :                                                  nsSMILValue& aValue,
     211                 :                                                  bool& aPreventCachingOfSandwich) const
     212                 : {
     213                 :   float values[2];
     214                 : 
     215               0 :   nsresult rv = ParseNumberOptionalNumber(aStr, values);
     216               0 :   if (NS_FAILED(rv)) {
     217               0 :     return rv;
     218                 :   }
     219                 : 
     220               0 :   nsSMILValue val(&SVGNumberPairSMILType::sSingleton);
     221               0 :   val.mU.mNumberPair[0] = values[0];
     222               0 :   val.mU.mNumberPair[1] = values[1];
     223               0 :   aValue = val;
     224               0 :   aPreventCachingOfSandwich = false;
     225                 : 
     226               0 :   return NS_OK;
     227                 : }
     228                 : 
     229                 : nsSMILValue
     230               0 : nsSVGNumberPair::SMILNumberPair::GetBaseValue() const
     231                 : {
     232               0 :   nsSMILValue val(&SVGNumberPairSMILType::sSingleton);
     233               0 :   val.mU.mNumberPair[0] = mVal->mBaseVal[0];
     234               0 :   val.mU.mNumberPair[1] = mVal->mBaseVal[1];
     235                 :   return val;
     236                 : }
     237                 : 
     238                 : void
     239               0 : nsSVGNumberPair::SMILNumberPair::ClearAnimValue()
     240                 : {
     241               0 :   if (mVal->mIsAnimated) {
     242               0 :     mVal->mIsAnimated = false;
     243               0 :     mVal->mAnimVal[0] = mVal->mBaseVal[0];
     244               0 :     mVal->mAnimVal[1] = mVal->mBaseVal[1];
     245               0 :     mSVGElement->DidAnimateNumberPair(mVal->mAttrEnum);
     246                 :   }
     247               0 : }
     248                 : 
     249                 : nsresult
     250               0 : nsSVGNumberPair::SMILNumberPair::SetAnimValue(const nsSMILValue& aValue)
     251                 : {
     252               0 :   NS_ASSERTION(aValue.mType == &SVGNumberPairSMILType::sSingleton,
     253                 :                "Unexpected type to assign animated value");
     254               0 :   if (aValue.mType == &SVGNumberPairSMILType::sSingleton) {
     255               0 :     mVal->SetAnimValue(aValue.mU.mNumberPair, mSVGElement);
     256                 :   }
     257               0 :   return NS_OK;
     258            4392 : }

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