LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGNumber2.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 95 2 2.1 %
Date: 2012-06-02 Functions: 24 2 8.3 %

       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 IBM Corporation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2006
      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 "nsSVGNumber2.h"
      38                 : #include "nsSVGUtils.h"
      39                 : #include "nsTextFormatter.h"
      40                 : #include "prdtoa.h"
      41                 : #include "nsMathUtils.h"
      42                 : #include "nsContentUtils.h" // NS_ENSURE_FINITE
      43                 : #include "nsSMILValue.h"
      44                 : #include "nsSMILFloatType.h"
      45                 : #include "nsIDOMSVGNumber.h"
      46                 : 
      47                 : class DOMSVGNumber : public nsIDOMSVGNumber
      48                 : {
      49                 : public:
      50                 :   NS_DECL_ISUPPORTS
      51                 : 
      52                 :   DOMSVGNumber() 
      53                 :     : mVal(0) {}
      54                 :     
      55               0 :   NS_IMETHOD GetValue(float* aResult)
      56               0 :     { *aResult = mVal; return NS_OK; }
      57               0 :   NS_IMETHOD SetValue(float aValue)
      58               0 :     { NS_ENSURE_FINITE(aValue, NS_ERROR_ILLEGAL_VALUE);
      59               0 :       mVal = aValue;
      60               0 :       return NS_OK; }
      61                 : 
      62                 : private:
      63                 :   float mVal;
      64                 : };
      65                 : 
      66            1464 : NS_SVG_VAL_IMPL_CYCLE_COLLECTION(nsSVGNumber2::DOMAnimatedNumber, mSVGElement)
      67                 : 
      68               0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(nsSVGNumber2::DOMAnimatedNumber)
      69               0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(nsSVGNumber2::DOMAnimatedNumber)
      70                 : 
      71               0 : NS_IMPL_ADDREF(DOMSVGNumber)
      72               0 : NS_IMPL_RELEASE(DOMSVGNumber)
      73                 : 
      74                 : DOMCI_DATA(SVGAnimatedNumber, nsSVGNumber2::DOMAnimatedNumber)
      75                 : 
      76               0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsSVGNumber2::DOMAnimatedNumber)
      77               0 :   NS_INTERFACE_MAP_ENTRY(nsIDOMSVGAnimatedNumber)
      78               0 :   NS_INTERFACE_MAP_ENTRY(nsISupports)
      79               0 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGAnimatedNumber)
      80               0 : NS_INTERFACE_MAP_END
      81                 : 
      82               0 : NS_INTERFACE_MAP_BEGIN(DOMSVGNumber)
      83               0 :   NS_INTERFACE_MAP_ENTRY(nsIDOMSVGNumber)
      84               0 :   NS_INTERFACE_MAP_ENTRY(nsISupports)
      85               0 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGNumber)
      86               0 : NS_INTERFACE_MAP_END
      87                 : 
      88                 : /* Implementation */
      89                 : 
      90                 : static nsresult
      91               0 : GetValueFromString(const nsAString &aValueAsString,
      92                 :                    bool aPercentagesAllowed,
      93                 :                    float *aValue)
      94                 : {
      95               0 :   NS_ConvertUTF16toUTF8 value(aValueAsString);
      96               0 :   const char *str = value.get();
      97                 : 
      98               0 :   if (NS_IsAsciiWhitespace(*str))
      99               0 :     return NS_ERROR_DOM_SYNTAX_ERR;
     100                 :   
     101                 :   char *rest;
     102               0 :   *aValue = float(PR_strtod(str, &rest));
     103               0 :   if (rest == str || !NS_finite(*aValue)) {
     104               0 :     return NS_ERROR_DOM_SYNTAX_ERR;
     105                 :   }
     106               0 :   if (*rest == '%' && aPercentagesAllowed) {
     107               0 :     *aValue /= 100;
     108               0 :     ++rest;
     109                 :   }
     110               0 :   if (*rest == '\0') {
     111               0 :     return NS_OK;
     112                 :   }
     113               0 :   return NS_ERROR_DOM_SYNTAX_ERR;
     114                 : }
     115                 : 
     116                 : nsresult
     117               0 : nsSVGNumber2::SetBaseValueString(const nsAString &aValueAsString,
     118                 :                                  nsSVGElement *aSVGElement)
     119                 : {
     120                 :   float val;
     121                 : 
     122                 :   nsresult rv = GetValueFromString(
     123               0 :     aValueAsString, aSVGElement->NumberAttrAllowsPercentage(mAttrEnum), &val);
     124                 : 
     125               0 :   if (NS_FAILED(rv)) {
     126               0 :     return rv;
     127                 :   }
     128                 : 
     129               0 :   mBaseVal = val;
     130               0 :   mIsBaseSet = true;
     131               0 :   if (!mIsAnimated) {
     132               0 :     mAnimVal = mBaseVal;
     133                 :   }
     134                 :   else {
     135               0 :     aSVGElement->AnimationNeedsResample();
     136                 :   }
     137                 : 
     138                 :   // We don't need to call DidChange* here - we're only called by
     139                 :   // nsSVGElement::ParseAttribute under nsGenericElement::SetAttr,
     140                 :   // which takes care of notifying.
     141               0 :   return NS_OK;
     142                 : }
     143                 : 
     144                 : void
     145               0 : nsSVGNumber2::GetBaseValueString(nsAString & aValueAsString)
     146                 : {
     147               0 :   aValueAsString.Truncate();
     148               0 :   aValueAsString.AppendFloat(mBaseVal);
     149               0 : }
     150                 : 
     151                 : void
     152               0 : nsSVGNumber2::SetBaseValue(float aValue, nsSVGElement *aSVGElement)
     153                 : {
     154               0 :   if (mIsBaseSet && aValue == mBaseVal) {
     155               0 :     return;
     156                 :   }
     157                 : 
     158               0 :   mBaseVal = aValue;
     159               0 :   mIsBaseSet = true;
     160               0 :   if (!mIsAnimated) {
     161               0 :     mAnimVal = mBaseVal;
     162                 :   }
     163                 :   else {
     164               0 :     aSVGElement->AnimationNeedsResample();
     165                 :   }
     166               0 :   aSVGElement->DidChangeNumber(mAttrEnum);
     167                 : }
     168                 : 
     169                 : void
     170               0 : nsSVGNumber2::SetAnimValue(float aValue, nsSVGElement *aSVGElement)
     171                 : {
     172               0 :   mAnimVal = aValue;
     173               0 :   mIsAnimated = true;
     174               0 :   aSVGElement->DidAnimateNumber(mAttrEnum);
     175               0 : }
     176                 : 
     177                 : nsresult
     178               0 : nsSVGNumber2::ToDOMAnimatedNumber(nsIDOMSVGAnimatedNumber **aResult,
     179                 :                                   nsSVGElement *aSVGElement)
     180                 : {
     181               0 :   *aResult = new DOMAnimatedNumber(this, aSVGElement);
     182               0 :   if (!*aResult)
     183               0 :     return NS_ERROR_OUT_OF_MEMORY;
     184                 : 
     185               0 :   NS_ADDREF(*aResult);
     186               0 :   return NS_OK;
     187                 : }
     188                 : 
     189                 : nsISMILAttr*
     190               0 : nsSVGNumber2::ToSMILAttr(nsSVGElement *aSVGElement)
     191                 : {
     192               0 :   return new SMILNumber(this, aSVGElement);
     193                 : }
     194                 : 
     195                 : nsresult
     196               0 : nsSVGNumber2::SMILNumber::ValueFromString(const nsAString& aStr,
     197                 :                                           const nsISMILAnimationElement* /*aSrcElement*/,
     198                 :                                           nsSMILValue& aValue,
     199                 :                                           bool& aPreventCachingOfSandwich) const
     200                 : {
     201                 :   float value;
     202                 : 
     203                 :   nsresult rv = GetValueFromString(
     204               0 :     aStr, mSVGElement->NumberAttrAllowsPercentage(mVal->mAttrEnum), &value);
     205                 : 
     206               0 :   if (NS_FAILED(rv)) {
     207               0 :     return rv;
     208                 :   }
     209                 : 
     210               0 :   nsSMILValue val(&nsSMILFloatType::sSingleton);
     211               0 :   val.mU.mDouble = value;
     212               0 :   aValue = val;
     213               0 :   aPreventCachingOfSandwich = false;
     214                 : 
     215               0 :   return NS_OK;
     216                 : }
     217                 : 
     218                 : nsSMILValue
     219               0 : nsSVGNumber2::SMILNumber::GetBaseValue() const
     220                 : {
     221               0 :   nsSMILValue val(&nsSMILFloatType::sSingleton);
     222               0 :   val.mU.mDouble = mVal->mBaseVal;
     223                 :   return val;
     224                 : }
     225                 : 
     226                 : void
     227               0 : nsSVGNumber2::SMILNumber::ClearAnimValue()
     228                 : {
     229               0 :   if (mVal->mIsAnimated) {
     230               0 :     mVal->mIsAnimated = false;
     231               0 :     mVal->mAnimVal = mVal->mBaseVal;
     232               0 :     mSVGElement->DidAnimateNumber(mVal->mAttrEnum);
     233                 :   }
     234               0 : }
     235                 : 
     236                 : nsresult
     237               0 : nsSVGNumber2::SMILNumber::SetAnimValue(const nsSMILValue& aValue)
     238                 : {
     239               0 :   NS_ASSERTION(aValue.mType == &nsSMILFloatType::sSingleton,
     240                 :                "Unexpected type to assign animated value");
     241               0 :   if (aValue.mType == &nsSMILFloatType::sSingleton) {
     242               0 :     mVal->SetAnimValue(float(aValue.mU.mDouble), mSVGElement);
     243                 :   }
     244               0 :   return NS_OK;
     245            4392 : }

Generated by: LCOV version 1.7