LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGEnum.h (source / functions) Found Hit Coverage
Test: app.info Lines: 28 1 3.6 %
Date: 2012-06-02 Functions: 17 1 5.9 %

       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) 2007
      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                 : #ifndef __NS_SVGENUM_H__
      38                 : #define __NS_SVGENUM_H__
      39                 : 
      40                 : #include "nsAutoPtr.h"
      41                 : #include "nsCycleCollectionParticipant.h"
      42                 : #include "nsError.h"
      43                 : #include "nsIDOMSVGAnimatedEnum.h"
      44                 : #include "nsISMILAttr.h"
      45                 : #include "nsSVGElement.h"
      46                 : 
      47                 : class nsIAtom;
      48                 : class nsISMILAnimationElement;
      49                 : class nsSMILValue;
      50                 : 
      51                 : typedef PRUint8 nsSVGEnumValue;
      52                 : 
      53                 : struct nsSVGEnumMapping {
      54                 :   nsIAtom **mKey;
      55                 :   nsSVGEnumValue mVal;
      56                 : };
      57                 : 
      58                 : class nsSVGEnum
      59                 : {
      60                 : public:
      61               0 :   void Init(PRUint8 aAttrEnum, PRUint16 aValue) {
      62               0 :     mAnimVal = mBaseVal = PRUint8(aValue);
      63               0 :     mAttrEnum = aAttrEnum;
      64               0 :     mIsAnimated = false;
      65               0 :     mIsBaseSet = false;
      66               0 :   }
      67                 : 
      68                 :   nsresult SetBaseValueAtom(const nsIAtom* aValue, nsSVGElement *aSVGElement);
      69                 :   nsIAtom* GetBaseValueAtom(nsSVGElement *aSVGElement);
      70                 :   nsresult SetBaseValue(PRUint16 aValue,
      71                 :                         nsSVGElement *aSVGElement);
      72               0 :   PRUint16 GetBaseValue() const
      73               0 :     { return mBaseVal; }
      74                 : 
      75                 :   void SetAnimValue(PRUint16 aValue, nsSVGElement *aSVGElement);
      76               0 :   PRUint16 GetAnimValue() const
      77               0 :     { return mAnimVal; }
      78               0 :   bool IsExplicitlySet() const
      79               0 :     { return mIsAnimated || mIsBaseSet; }
      80                 : 
      81                 :   nsresult ToDOMAnimatedEnum(nsIDOMSVGAnimatedEnumeration **aResult,
      82                 :                              nsSVGElement* aSVGElement);
      83                 :   // Returns a new nsISMILAttr object that the caller must delete
      84                 :   nsISMILAttr* ToSMILAttr(nsSVGElement* aSVGElement);
      85                 : 
      86                 : private:
      87                 :   nsSVGEnumValue mAnimVal;
      88                 :   nsSVGEnumValue mBaseVal;
      89                 :   PRUint8 mAttrEnum; // element specified tracking for attribute
      90                 :   bool mIsAnimated;
      91                 :   bool mIsBaseSet;
      92                 : 
      93                 :   nsSVGEnumMapping *GetMapping(nsSVGElement *aSVGElement);
      94                 : 
      95                 : public:
      96                 :   struct DOMAnimatedEnum : public nsIDOMSVGAnimatedEnumeration
      97               0 :   {
      98               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      99            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS(DOMAnimatedEnum)
     100                 : 
     101               0 :     DOMAnimatedEnum(nsSVGEnum* aVal, nsSVGElement *aSVGElement)
     102               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     103                 : 
     104                 :     nsSVGEnum *mVal; // kept alive because it belongs to content
     105                 :     nsRefPtr<nsSVGElement> mSVGElement;
     106                 : 
     107               0 :     NS_IMETHOD GetBaseVal(PRUint16* aResult)
     108               0 :       { *aResult = mVal->GetBaseValue(); return NS_OK; }
     109               0 :     NS_IMETHOD SetBaseVal(PRUint16 aValue)
     110               0 :       { return mVal->SetBaseValue(aValue, mSVGElement); }
     111                 : 
     112                 :     // Script may have modified animation parameters or timeline -- DOM getters
     113                 :     // need to flush any resample requests to reflect these modifications.
     114               0 :     NS_IMETHOD GetAnimVal(PRUint16* aResult)
     115                 :     {
     116               0 :       mSVGElement->FlushAnimations();
     117               0 :       *aResult = mVal->GetAnimValue();
     118               0 :       return NS_OK;
     119                 :     }
     120                 :   };
     121                 : 
     122                 :   struct SMILEnum : public nsISMILAttr
     123               0 :   {
     124                 :   public:
     125               0 :     SMILEnum(nsSVGEnum* aVal, nsSVGElement* aSVGElement)
     126               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     127                 : 
     128                 :     // These will stay alive because a nsISMILAttr only lives as long
     129                 :     // as the Compositing step, and DOM elements don't get a chance to
     130                 :     // die during that.
     131                 :     nsSVGEnum* mVal;
     132                 :     nsSVGElement* mSVGElement;
     133                 : 
     134                 :     // nsISMILAttr methods
     135                 :     virtual nsresult ValueFromString(const nsAString& aStr,
     136                 :                                      const nsISMILAnimationElement* aSrcElement,
     137                 :                                      nsSMILValue& aValue,
     138                 :                                      bool& aPreventCachingOfSandwich) const;
     139                 :     virtual nsSMILValue GetBaseValue() const;
     140                 :     virtual void ClearAnimValue();
     141                 :     virtual nsresult SetAnimValue(const nsSMILValue& aValue);
     142                 :   };
     143                 : };
     144                 : 
     145                 : #endif //__NS_SVGENUM_H__

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