LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGViewBox.h (source / functions) Found Hit Coverage
Test: app.info Lines: 62 3 4.8 %
Date: 2012-06-02 Functions: 44 3 6.8 %

       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 Mozilla SVG Project code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Jonathan Watt.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2004
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Craig Topper <craig.topper@gmail.com> (original author)
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #ifndef __NS_SVGVIEWBOX_H__
      40                 : #define __NS_SVGVIEWBOX_H__
      41                 : 
      42                 : #include "nsAutoPtr.h"
      43                 : #include "nsCycleCollectionParticipant.h"
      44                 : #include "nsDOMError.h"
      45                 : #include "nsError.h"
      46                 : #include "nsIDOMSVGAnimatedRect.h"
      47                 : #include "nsIDOMSVGRect.h"
      48                 : #include "nsISMILAttr.h"
      49                 : #include "nsSVGElement.h"
      50                 : 
      51                 : class nsISMILAnimationElement;
      52                 : class nsSMILValue;
      53                 : 
      54                 : struct nsSVGViewBoxRect
      55                 : {
      56                 :   float x, y;
      57                 :   float width, height;
      58                 : 
      59               0 :   nsSVGViewBoxRect() : x(0), y(0), width(0), height(0) {}
      60               0 :   nsSVGViewBoxRect(float aX, float aY, float aWidth, float aHeight) :
      61               0 :     x(aX), y(aY), width(aWidth), height(aHeight) {}
      62               0 :   nsSVGViewBoxRect(const nsSVGViewBoxRect& rhs) :
      63               0 :     x(rhs.x), y(rhs.y), width(rhs.width), height(rhs.height) {}
      64                 :   bool operator==(const nsSVGViewBoxRect& aOther) const;
      65                 : };
      66                 : 
      67                 : class nsSVGViewBox
      68               0 : {
      69                 : 
      70                 : public:
      71                 : 
      72                 :   void Init();
      73                 : 
      74                 :   // Used by element to tell if viewBox is defined
      75               0 :   bool IsValid() const
      76               0 :     { return (mHasBaseVal || mAnimVal); }
      77                 : 
      78               0 :   const nsSVGViewBoxRect& GetBaseValue() const
      79               0 :     { return mBaseVal; }
      80                 :   void SetBaseValue(float aX, float aY, float aWidth, float aHeight,
      81                 :                     nsSVGElement *aSVGElement);
      82                 : 
      83               0 :   const nsSVGViewBoxRect& GetAnimValue() const
      84               0 :     { return mAnimVal ? *mAnimVal : mBaseVal; }
      85                 :   void SetAnimValue(float aX, float aY, float aWidth, float aHeight,
      86                 :                     nsSVGElement *aSVGElement);
      87                 : 
      88                 :   nsresult SetBaseValueString(const nsAString& aValue,
      89                 :                               nsSVGElement *aSVGElement);
      90                 :   void GetBaseValueString(nsAString& aValue) const;
      91                 : 
      92                 :   nsresult ToDOMAnimatedRect(nsIDOMSVGAnimatedRect **aResult,
      93                 :                              nsSVGElement *aSVGElement);
      94                 :   // Returns a new nsISMILAttr object that the caller must delete
      95                 :   nsISMILAttr* ToSMILAttr(nsSVGElement* aSVGElement);
      96                 :   
      97                 : private:
      98                 : 
      99                 :   nsSVGViewBoxRect mBaseVal;
     100                 :   nsAutoPtr<nsSVGViewBoxRect> mAnimVal;
     101                 :   bool mHasBaseVal;
     102                 : 
     103                 :   struct DOMBaseVal : public nsIDOMSVGRect
     104               0 :   {
     105               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     106            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS(DOMBaseVal)
     107                 : 
     108               0 :     DOMBaseVal(nsSVGViewBox *aVal, nsSVGElement *aSVGElement)
     109               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     110                 : 
     111                 :     nsSVGViewBox* mVal; // kept alive because it belongs to content
     112                 :     nsRefPtr<nsSVGElement> mSVGElement;
     113                 : 
     114               0 :     NS_IMETHOD GetX(float *aX)
     115               0 :       { *aX = mVal->GetBaseValue().x; return NS_OK; }
     116               0 :     NS_IMETHOD GetY(float *aY)
     117               0 :       { *aY = mVal->GetBaseValue().y; return NS_OK; }
     118               0 :     NS_IMETHOD GetWidth(float *aWidth)
     119               0 :       { *aWidth = mVal->GetBaseValue().width; return NS_OK; }
     120               0 :     NS_IMETHOD GetHeight(float *aHeight)
     121               0 :       { *aHeight = mVal->GetBaseValue().height; return NS_OK; }
     122                 : 
     123                 :     NS_IMETHOD SetX(float aX);
     124                 :     NS_IMETHOD SetY(float aY);
     125                 :     NS_IMETHOD SetWidth(float aWidth);
     126                 :     NS_IMETHOD SetHeight(float aHeight);
     127                 :   };
     128                 : 
     129                 :   struct DOMAnimVal : public nsIDOMSVGRect
     130               0 :   {
     131               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     132            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS(DOMAnimVal)
     133                 : 
     134               0 :     DOMAnimVal(nsSVGViewBox *aVal, nsSVGElement *aSVGElement)
     135               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     136                 : 
     137                 :     nsSVGViewBox* mVal; // kept alive because it belongs to content
     138                 :     nsRefPtr<nsSVGElement> mSVGElement;
     139                 : 
     140                 :     // Script may have modified animation parameters or timeline -- DOM getters
     141                 :     // need to flush any resample requests to reflect these modifications.
     142               0 :     NS_IMETHOD GetX(float *aX)
     143                 :     {
     144               0 :       mSVGElement->FlushAnimations();
     145               0 :       *aX = mVal->GetAnimValue().x;
     146               0 :       return NS_OK;
     147                 :     }
     148               0 :     NS_IMETHOD GetY(float *aY)
     149                 :     {
     150               0 :       mSVGElement->FlushAnimations();
     151               0 :       *aY = mVal->GetAnimValue().y;
     152               0 :       return NS_OK;
     153                 :     }
     154               0 :     NS_IMETHOD GetWidth(float *aWidth)
     155                 :     {
     156               0 :       mSVGElement->FlushAnimations();
     157               0 :       *aWidth = mVal->GetAnimValue().width;
     158               0 :       return NS_OK;
     159                 :     }
     160               0 :     NS_IMETHOD GetHeight(float *aHeight)
     161                 :     {
     162               0 :       mSVGElement->FlushAnimations();
     163               0 :       *aHeight = mVal->GetAnimValue().height;
     164               0 :       return NS_OK;
     165                 :     }
     166                 : 
     167               0 :     NS_IMETHOD SetX(float aX)
     168               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     169               0 :     NS_IMETHOD SetY(float aY)
     170               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     171               0 :     NS_IMETHOD SetWidth(float aWidth)
     172               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     173               0 :     NS_IMETHOD SetHeight(float aHeight)
     174               0 :       { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; }
     175                 :   };
     176                 : 
     177                 : public:
     178                 :   struct DOMAnimatedRect : public nsIDOMSVGAnimatedRect
     179               0 :   {
     180               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     181            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS(DOMAnimatedRect)
     182                 : 
     183               0 :     DOMAnimatedRect(nsSVGViewBox *aVal, nsSVGElement *aSVGElement)
     184               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     185                 : 
     186                 :     nsSVGViewBox* mVal; // kept alive because it belongs to content
     187                 :     nsRefPtr<nsSVGElement> mSVGElement;
     188                 : 
     189                 :     NS_IMETHOD GetBaseVal(nsIDOMSVGRect **aResult);
     190                 :     NS_IMETHOD GetAnimVal(nsIDOMSVGRect **aResult);
     191                 :   };
     192                 : 
     193                 :   struct SMILViewBox : public nsISMILAttr
     194               0 :   {
     195                 :   public:
     196               0 :     SMILViewBox(nsSVGViewBox* aVal, nsSVGElement* aSVGElement)
     197               0 :       : mVal(aVal), mSVGElement(aSVGElement) {}
     198                 : 
     199                 :     // These will stay alive because a nsISMILAttr only lives as long
     200                 :     // as the Compositing step, and DOM elements don't get a chance to
     201                 :     // die during that.
     202                 :     nsSVGViewBox* mVal;
     203                 :     nsSVGElement* mSVGElement;
     204                 : 
     205                 :     // nsISMILAttr methods
     206                 :     virtual nsresult ValueFromString(const nsAString& aStr,
     207                 :                                      const nsISMILAnimationElement* aSrcElement,
     208                 :                                      nsSMILValue& aValue,
     209                 :                                      bool& aPreventCachingOfSandwich) const;
     210                 :     virtual nsSMILValue GetBaseValue() const;
     211                 :     virtual void ClearAnimValue();
     212                 :     virtual nsresult SetAnimValue(const nsSMILValue& aValue);
     213                 :   };
     214                 : };
     215                 : 
     216                 : #endif // __NS_SVGVIEWBOX_H__

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