LCOV - app.info - content/svg/content/src/nsSVGNumber2.cpp

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 : }

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