LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGAngle.h (source / functions) Found Hit Coverage
Test: app.info Lines: 72 3 4.2 %
Date: 2012-06-02 Functions: 49 3 6.1 %

       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) 2004
      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 of the GNU General Public License Version 2 or later (the "GPL"),
      25                 :  * or 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                 : #ifndef __NS_SVGANGLE_H__
      38                 : #define __NS_SVGANGLE_H__
      39                 : 
      40                 : #include "nsAutoPtr.h"
      41                 : #include "nsCycleCollectionParticipant.h"
      42                 : #include "nsDOMError.h"
      43                 : #include "nsError.h"
      44                 : #include "nsIDOMSVGAngle.h"
      45                 : #include "nsIDOMSVGAnimatedAngle.h"
      46                 : #include "nsISMILAttr.h"
      47                 : #include "nsSVGElement.h"
      48                 : 
      49                 : class nsISMILAnimationElement;
      50                 : class nsSMILValue;
      51                 : class nsSVGOrientType;
      52                 : 
      53                 : class nsSVGAngle
      54                 : {
      55                 :   friend class DOMSVGAngle;
      56                 : 
      57                 : public:
      58               0 :   void Init(PRUint8 aAttrEnum = 0xff,
      59                 :             float aValue = 0,
      60                 :             PRUint8 aUnitType = nsIDOMSVGAngle::SVG_ANGLETYPE_UNSPECIFIED) {
      61               0 :     mAnimVal = mBaseVal = aValue;
      62               0 :     mAnimValUnit = mBaseValUnit = aUnitType;
      63               0 :     mAttrEnum = aAttrEnum;
      64               0 :     mIsAnimated = false;
      65               0 :   }
      66                 : 
      67                 :   nsresult SetBaseValueString(const nsAString& aValue,
      68                 :                               nsSVGElement *aSVGElement,
      69                 :                               bool aDoSetAttr);
      70                 :   void GetBaseValueString(nsAString& aValue) const;
      71                 :   void GetAnimValueString(nsAString& aValue) const;
      72                 : 
      73               0 :   float GetBaseValue() const
      74               0 :     { return mBaseVal * GetDegreesPerUnit(mBaseValUnit); }
      75               0 :   float GetAnimValue() const
      76               0 :     { return mAnimVal * GetDegreesPerUnit(mAnimValUnit); }
      77                 : 
      78                 :   void SetBaseValue(float aValue, nsSVGElement *aSVGElement, bool aDoSetAttr);
      79                 :   void SetAnimValue(float aValue, PRUint8 aUnit, nsSVGElement *aSVGElement);
      80                 : 
      81               0 :   PRUint8 GetBaseValueUnit() const { return mBaseValUnit; }
      82                 :   PRUint8 GetAnimValueUnit() const { return mAnimValUnit; }
      83               0 :   float GetBaseValInSpecifiedUnits() const { return mBaseVal; }
      84                 :   float GetAnimValInSpecifiedUnits() const { return mAnimVal; }
      85                 : 
      86                 :   static nsresult ToDOMSVGAngle(nsIDOMSVGAngle **aResult);
      87                 :   nsresult ToDOMAnimatedAngle(nsIDOMSVGAnimatedAngle **aResult,
      88                 :                               nsSVGElement* aSVGElement);
      89                 :   // Returns a new nsISMILAttr object that the caller must delete
      90                 :   nsISMILAttr* ToSMILAttr(nsSVGElement* aSVGElement);
      91                 : 
      92                 :   static float GetDegreesPerUnit(PRUint8 aUnit);
      93                 : 
      94                 : private:
      95                 :   
      96                 :   float mAnimVal;
      97                 :   float mBaseVal;
      98                 :   PRUint8 mAnimValUnit;
      99                 :   PRUint8 mBaseValUnit;
     100                 :   PRUint8 mAttrEnum; // element specified tracking for attribute
     101                 :   bool mIsAnimated;
     102                 :   
     103                 :   void SetBaseValueInSpecifiedUnits(float aValue, nsSVGElement *aSVGElement);
     104                 :   nsresult NewValueSpecifiedUnits(PRUint16 aUnitType, float aValue,
     105                 :                                   nsSVGElement *aSVGElement);
     106                 :   nsresult ConvertToSpecifiedUnits(PRUint16 aUnitType, nsSVGElement *aSVGElement);
     107                 :   nsresult ToDOMBaseVal(nsIDOMSVGAngle **aResult, nsSVGElement* aSVGElement);
     108                 :   nsresult ToDOMAnimVal(nsIDOMSVGAngle **aResult, nsSVGElement* aSVGElement);
     109                 : 
     110                 : public:
     111                 :   struct DOMBaseVal : public nsIDOMSVGAngle
     112               0 :   {
     113               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     114            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS(DOMBaseVal)
     115                 : 
     116               0 :     DOMBaseVal(nsSVGAngle* aVal, nsSVGElement *aSVGElement)
     117               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     118                 :     
     119                 :     nsSVGAngle* mVal; // kept alive because it belongs to mSVGElement
     120                 :     nsRefPtr<nsSVGElement> mSVGElement;
     121                 :     
     122               0 :     NS_IMETHOD GetUnitType(PRUint16* aResult)
     123               0 :       { *aResult = mVal->mBaseValUnit; return NS_OK; }
     124                 : 
     125               0 :     NS_IMETHOD GetValue(float* aResult)
     126               0 :       { *aResult = mVal->GetBaseValue(); return NS_OK; }
     127               0 :     NS_IMETHOD SetValue(float aValue)
     128               0 :       { mVal->SetBaseValue(aValue, mSVGElement, true); return NS_OK; }
     129                 : 
     130               0 :     NS_IMETHOD GetValueInSpecifiedUnits(float* aResult)
     131               0 :       { *aResult = mVal->mBaseVal; return NS_OK; }
     132               0 :     NS_IMETHOD SetValueInSpecifiedUnits(float aValue)
     133               0 :       { mVal->SetBaseValueInSpecifiedUnits(aValue, mSVGElement);
     134               0 :         return NS_OK; }
     135                 : 
     136               0 :     NS_IMETHOD SetValueAsString(const nsAString& aValue)
     137               0 :       { return mVal->SetBaseValueString(aValue, mSVGElement, true); }
     138               0 :     NS_IMETHOD GetValueAsString(nsAString& aValue)
     139               0 :       { mVal->GetBaseValueString(aValue); return NS_OK; }
     140                 : 
     141               0 :     NS_IMETHOD NewValueSpecifiedUnits(PRUint16 unitType,
     142                 :                                       float valueInSpecifiedUnits)
     143                 :       { return mVal->NewValueSpecifiedUnits(unitType, valueInSpecifiedUnits,
     144               0 :                                      mSVGElement); }
     145                 : 
     146               0 :     NS_IMETHOD ConvertToSpecifiedUnits(PRUint16 unitType)
     147               0 :       { return mVal->ConvertToSpecifiedUnits(unitType, mSVGElement); }
     148                 :   };
     149                 : 
     150                 :   struct DOMAnimVal : public nsIDOMSVGAngle
     151               0 :   {
     152               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     153            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS(DOMAnimVal)
     154                 : 
     155               0 :     DOMAnimVal(nsSVGAngle* aVal, nsSVGElement *aSVGElement)
     156               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     157                 :     
     158                 :     nsSVGAngle* mVal; // kept alive because it belongs to mSVGElement
     159                 :     nsRefPtr<nsSVGElement> mSVGElement;
     160                 :     
     161               0 :     NS_IMETHOD GetUnitType(PRUint16* aResult)
     162               0 :       { *aResult = mVal->mAnimValUnit; return NS_OK; }
     163                 : 
     164               0 :     NS_IMETHOD GetValue(float* aResult)
     165               0 :       { *aResult = mVal->GetAnimValue(); return NS_OK; }
     166               0 :     NS_IMETHOD SetValue(float aValue)
     167               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     168                 : 
     169               0 :     NS_IMETHOD GetValueInSpecifiedUnits(float* aResult)
     170               0 :       { *aResult = mVal->mAnimVal; return NS_OK; }
     171               0 :     NS_IMETHOD SetValueInSpecifiedUnits(float aValue)
     172               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     173                 : 
     174               0 :     NS_IMETHOD SetValueAsString(const nsAString& aValue)
     175               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     176               0 :     NS_IMETHOD GetValueAsString(nsAString& aValue)
     177               0 :       { mVal->GetAnimValueString(aValue); return NS_OK; }
     178                 : 
     179               0 :     NS_IMETHOD NewValueSpecifiedUnits(PRUint16 unitType,
     180                 :                                       float valueInSpecifiedUnits)
     181               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     182                 : 
     183               0 :     NS_IMETHOD ConvertToSpecifiedUnits(PRUint16 unitType)
     184               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     185                 :   };
     186                 : 
     187                 :   struct DOMAnimatedAngle : public nsIDOMSVGAnimatedAngle
     188               0 :   {
     189               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     190            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS(DOMAnimatedAngle)
     191                 : 
     192               0 :     DOMAnimatedAngle(nsSVGAngle* aVal, nsSVGElement *aSVGElement)
     193               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     194                 :     
     195                 :     nsSVGAngle* mVal; // kept alive because it belongs to content
     196                 :     nsRefPtr<nsSVGElement> mSVGElement;
     197                 : 
     198               0 :     NS_IMETHOD GetBaseVal(nsIDOMSVGAngle **aBaseVal)
     199               0 :       { return mVal->ToDOMBaseVal(aBaseVal, mSVGElement); }
     200                 : 
     201               0 :     NS_IMETHOD GetAnimVal(nsIDOMSVGAngle **aAnimVal)
     202               0 :       { return mVal->ToDOMAnimVal(aAnimVal, mSVGElement); }
     203                 :   };
     204                 : 
     205                 :   // We do not currently implemente a SMILAngle struct because in SVG 1.1 the
     206                 :   // only *animatable* attribute that takes an <angle> is 'orient', on the
     207                 :   // 'marker' element, and 'orient' must be special cased since it can also
     208                 :   // take the value 'auto', making it a more complex type.
     209                 : 
     210                 :   struct SMILOrient : public nsISMILAttr
     211               0 :   {
     212                 :   public:
     213               0 :     SMILOrient(nsSVGOrientType* aOrientType,
     214                 :                nsSVGAngle* aAngle,
     215                 :                nsSVGElement* aSVGElement)
     216                 :       : mOrientType(aOrientType)
     217                 :       , mAngle(aAngle)
     218               0 :       , mSVGElement(aSVGElement)
     219               0 :     {}
     220                 : 
     221                 :     // These will stay alive because a nsISMILAttr only lives as long
     222                 :     // as the Compositing step, and DOM elements don't get a chance to
     223                 :     // die during that.
     224                 :     nsSVGOrientType* mOrientType;
     225                 :     nsSVGAngle* mAngle;
     226                 :     nsSVGElement* mSVGElement;
     227                 : 
     228                 :     // nsISMILAttr methods
     229                 :     virtual nsresult ValueFromString(const nsAString& aStr,
     230                 :                                      const nsISMILAnimationElement* aSrcElement,
     231                 :                                      nsSMILValue& aValue,
     232                 :                                      bool& aPreventCachingOfSandwich) const;
     233                 :     virtual nsSMILValue GetBaseValue() const;
     234                 :     virtual void ClearAnimValue();
     235                 :     virtual nsresult SetAnimValue(const nsSMILValue& aValue);
     236                 :   };
     237                 : };
     238                 : 
     239                 : nsresult
     240                 : NS_NewDOMSVGAngle(nsIDOMSVGAngle** result);
     241                 : 
     242                 : #endif //__NS_SVGANGLE_H__

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