LCOV - code coverage report
Current view: directory - layout/svg/base/src - nsSVGStopFrame.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 23 0 0.0 %
Date: 2012-06-02 Functions: 12 0 0.0 %

       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
      18                 :  * Scooter Morris.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2004
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Scooter Morris <scootermorris@comcast.net>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * 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                 : #include "nsIDOMSVGStopElement.h"
      40                 : #include "nsStyleContext.h"
      41                 : #include "nsFrame.h"
      42                 : #include "nsGkAtoms.h"
      43                 : #include "nsSVGEffects.h"
      44                 : 
      45                 : // This is a very simple frame whose only purpose is to capture style change
      46                 : // events and propagate them to the parent.  Most of the heavy lifting is done
      47                 : // within the nsSVGGradientFrame, which is the parent for this frame
      48                 : 
      49                 : typedef nsFrame  nsSVGStopFrameBase;
      50                 : 
      51                 : class nsSVGStopFrame : public nsSVGStopFrameBase
      52               0 : {
      53                 :   friend nsIFrame*
      54                 :   NS_NewSVGStopFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
      55                 : protected:
      56               0 :   nsSVGStopFrame(nsStyleContext* aContext) : nsSVGStopFrameBase(aContext) {}
      57                 : 
      58                 : public:
      59                 :   NS_DECL_FRAMEARENA_HELPERS
      60                 : 
      61                 :   // nsIFrame interface:
      62                 : #ifdef DEBUG
      63                 :   NS_IMETHOD Init(nsIContent*      aContent,
      64                 :                   nsIFrame*        aParent,
      65                 :                   nsIFrame*        aPrevInFlow);
      66                 : #endif
      67                 : 
      68                 :   virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext);
      69                 : 
      70                 :   NS_IMETHOD AttributeChanged(PRInt32         aNameSpaceID,
      71                 :                               nsIAtom*        aAttribute,
      72                 :                               PRInt32         aModType);
      73                 : 
      74                 :   /**
      75                 :    * Get the "type" of the frame
      76                 :    *
      77                 :    * @see nsGkAtoms::svgStopFrame
      78                 :    */
      79                 :   virtual nsIAtom* GetType() const;
      80                 : 
      81               0 :   virtual bool IsFrameOfType(PRUint32 aFlags) const
      82                 :   {
      83               0 :     return nsSVGStopFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG));
      84                 :   }
      85                 : 
      86                 : #ifdef DEBUG
      87               0 :   NS_IMETHOD GetFrameName(nsAString& aResult) const
      88                 :   {
      89               0 :     return MakeFrameName(NS_LITERAL_STRING("SVGStop"), aResult);
      90                 :   }
      91                 : #endif
      92                 : };
      93                 : 
      94                 : //----------------------------------------------------------------------
      95                 : // Implementation
      96                 : 
      97               0 : NS_IMPL_FRAMEARENA_HELPERS(nsSVGStopFrame)
      98                 : 
      99                 : //----------------------------------------------------------------------
     100                 : // nsIFrame methods:
     101                 : 
     102                 : #ifdef DEBUG
     103                 : NS_IMETHODIMP
     104               0 : nsSVGStopFrame::Init(nsIContent* aContent,
     105                 :                      nsIFrame* aParent,
     106                 :                      nsIFrame* aPrevInFlow)
     107                 : {
     108               0 :   nsCOMPtr<nsIDOMSVGStopElement> grad = do_QueryInterface(aContent);
     109               0 :   NS_ASSERTION(grad, "Content doesn't support nsIDOMSVGStopElement");
     110                 : 
     111               0 :   return nsSVGStopFrameBase::Init(aContent, aParent, aPrevInFlow);
     112                 : }
     113                 : #endif /* DEBUG */
     114                 : 
     115                 : /* virtual */ void
     116               0 : nsSVGStopFrame::DidSetStyleContext(nsStyleContext* aOldStyleContext)
     117                 : {
     118               0 :   nsSVGStopFrameBase::DidSetStyleContext(aOldStyleContext);
     119               0 :   nsSVGEffects::InvalidateRenderingObservers(this);
     120               0 : }
     121                 : 
     122                 : nsIAtom *
     123               0 : nsSVGStopFrame::GetType() const
     124                 : {
     125               0 :   return nsGkAtoms::svgStopFrame;
     126                 : }
     127                 : 
     128                 : NS_IMETHODIMP
     129               0 : nsSVGStopFrame::AttributeChanged(PRInt32         aNameSpaceID,
     130                 :                                  nsIAtom*        aAttribute,
     131                 :                                  PRInt32         aModType)
     132                 : {
     133               0 :   if (aNameSpaceID == kNameSpaceID_None &&
     134                 :       aAttribute == nsGkAtoms::offset) {
     135               0 :     nsSVGEffects::InvalidateRenderingObservers(this);
     136                 :   }
     137                 : 
     138                 :   return nsSVGStopFrameBase::AttributeChanged(aNameSpaceID,
     139               0 :                                               aAttribute, aModType);
     140                 : }
     141                 : 
     142                 : // -------------------------------------------------------------------------
     143                 : // Public functions
     144                 : // -------------------------------------------------------------------------
     145                 : 
     146               0 : nsIFrame* NS_NewSVGStopFrame(nsIPresShell*   aPresShell,
     147                 :                              nsStyleContext* aContext)
     148                 : {
     149               0 :   return new (aPresShell) nsSVGStopFrame(aContext);
     150                 : }

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