LCOV - code coverage report
Current view: directory - content/svg/content/src - nsSVGMpathElement.h (source / functions) Found Hit Coverage
Test: app.info Lines: 16 1 6.2 %
Date: 2012-06-02 Functions: 66 1 1.5 %

       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 the Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Daniel Holbert <dholbert@mozilla.com>
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef NS_SVGMPATHELEMENT_H_
      39                 : #define NS_SVGMPATHELEMENT_H_
      40                 : 
      41                 : #include "nsIDOMSVGMpathElement.h"
      42                 : #include "nsIDOMSVGURIReference.h"
      43                 : #include "nsSVGElement.h"
      44                 : #include "nsStubMutationObserver.h"
      45                 : #include "nsSVGPathElement.h"
      46                 : #include "nsSVGString.h"
      47                 : #include "nsReferencedElement.h"
      48                 : 
      49                 : 
      50                 : typedef nsSVGElement nsSVGMpathElementBase;
      51                 : 
      52                 : class nsSVGMpathElement : public nsSVGMpathElementBase,
      53                 :                           public nsIDOMSVGMpathElement,
      54                 :                           public nsIDOMSVGURIReference,
      55                 :                           public nsStubMutationObserver
      56                 : {
      57                 : protected:
      58                 :   friend nsresult NS_NewSVGMpathElement(nsIContent **aResult,
      59                 :                                         already_AddRefed<nsINodeInfo> aNodeInfo);
      60                 :   nsSVGMpathElement(already_AddRefed<nsINodeInfo> aNodeInfo);
      61                 :   ~nsSVGMpathElement();
      62                 : 
      63                 : 
      64                 : public:
      65                 :   // interfaces:
      66                 :   NS_DECL_ISUPPORTS_INHERITED
      67                 :   NS_DECL_NSIDOMSVGMPATHELEMENT
      68                 :   NS_DECL_NSIDOMSVGURIREFERENCE
      69                 : 
      70            1464 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsSVGMpathElement,
      71                 :                                            nsSVGMpathElementBase)
      72                 : 
      73                 :   NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
      74                 : 
      75                 :   // Forward interface implementations to base class
      76               0 :   NS_FORWARD_NSIDOMNODE(nsSVGMpathElementBase::)
      77               0 :   NS_FORWARD_NSIDOMELEMENT(nsSVGMpathElementBase::)
      78               0 :   NS_FORWARD_NSIDOMSVGELEMENT(nsSVGMpathElementBase::)
      79                 : 
      80                 :   // nsIContent interface
      81                 :   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
      82                 :   virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
      83                 :                               nsIContent* aBindingParent,
      84                 :                               bool aCompileEventHandlers);
      85                 :   virtual void UnbindFromTree(bool aDeep, bool aNullParent);
      86                 : 
      87                 :   virtual nsresult UnsetAttr(PRInt32 aNamespaceID, nsIAtom* aAttribute,
      88                 :                              bool aNotify);
      89                 :   // nsGenericElement specializations
      90                 :   virtual bool ParseAttribute(PRInt32 aNamespaceID,
      91                 :                                 nsIAtom* aAttribute,
      92                 :                                 const nsAString& aValue,
      93                 :                                 nsAttrValue& aResult);
      94                 : 
      95                 :   // Public helper method: If our xlink:href attribute links to a <path>
      96                 :   // element, this method returns a pointer to that element. Otherwise,
      97                 :   // this returns nsnull.
      98                 :   nsSVGPathElement* GetReferencedPath();
      99                 : 
     100                 :   virtual nsXPCClassInfo* GetClassInfo();
     101                 : protected:
     102               0 :   class PathReference : public nsReferencedElement {
     103                 :   public:
     104               0 :     PathReference(nsSVGMpathElement* aMpathElement) :
     105               0 :       mMpathElement(aMpathElement) {}
     106                 :   protected:
     107                 :     // We need to be notified when target changes, in order to request a sample
     108                 :     // (which will clear animation effects that used the old target-path
     109                 :     // and recompute the animation effects using the new target-path).
     110               0 :     virtual void ElementChanged(Element* aFrom, Element* aTo) {
     111               0 :       nsReferencedElement::ElementChanged(aFrom, aTo);
     112               0 :       if (aFrom) {
     113               0 :         aFrom->RemoveMutationObserver(mMpathElement);
     114                 :       }
     115               0 :       if (aTo) {
     116               0 :         aTo->AddMutationObserver(mMpathElement);
     117                 :       }
     118               0 :       mMpathElement->NotifyParentOfMpathChange(mMpathElement->GetParent());
     119               0 :     }
     120                 : 
     121                 :     // We need to override IsPersistent to get persistent tracking (beyond the
     122                 :     // first time the target changes)
     123               0 :     virtual bool IsPersistent() { return true; }
     124                 :   private:
     125                 :     nsSVGMpathElement* const mMpathElement;
     126                 :   };
     127                 : 
     128                 :   virtual StringAttributesInfo GetStringInfo();
     129                 : 
     130                 :   void UpdateHrefTarget(nsIContent* aParent, const nsAString& aHrefStr);
     131                 :   void UnlinkHrefTarget(bool aNotifyParent);
     132                 :   void NotifyParentOfMpathChange(nsIContent* aParent);
     133                 : 
     134                 :   enum { HREF };
     135                 :   nsSVGString        mStringAttributes[1];
     136                 :   static StringInfo  sStringInfo[1];
     137                 :   PathReference      mHrefTarget;
     138                 : };
     139                 : 
     140                 : #endif // NS_SVGMPATHELEMENT_H_

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