LCOV - code coverage report
Current view: directory - layout/svg/base/src - nsSVGForeignObjectFrame.h (source / functions) Found Hit Coverage
Test: app.info Lines: 13 0 0.0 %
Date: 2012-06-02 Functions: 9 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                 :  * Crocodile Clips Ltd..
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2001
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Alex Fritze <alex.fritze@crocodile-clips.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 NSSVGFOREIGNOBJECTFRAME_H__
      40                 : #define NSSVGFOREIGNOBJECTFRAME_H__
      41                 : 
      42                 : #include "nsContainerFrame.h"
      43                 : #include "nsISVGChildFrame.h"
      44                 : #include "nsSVGUtils.h"
      45                 : #include "nsRegion.h"
      46                 : #include "nsIPresShell.h"
      47                 : #include "mozilla/Attributes.h"
      48                 : 
      49                 : class nsRenderingContext;
      50                 : class nsSVGOuterSVGFrame;
      51                 : 
      52                 : typedef nsContainerFrame nsSVGForeignObjectFrameBase;
      53                 : 
      54                 : class nsSVGForeignObjectFrame : public nsSVGForeignObjectFrameBase,
      55                 :                                 public nsISVGChildFrame
      56               0 : {
      57                 :   friend nsIFrame*
      58                 :   NS_NewSVGForeignObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
      59                 : protected:
      60                 :   nsSVGForeignObjectFrame(nsStyleContext* aContext);
      61                 : 
      62                 : public:
      63                 :   NS_DECL_QUERYFRAME
      64                 :   NS_DECL_FRAMEARENA_HELPERS
      65                 : 
      66                 :   // nsIFrame:
      67                 :   NS_IMETHOD  Init(nsIContent* aContent,
      68                 :                    nsIFrame*   aParent,
      69                 :                    nsIFrame*   aPrevInFlow);
      70                 :   virtual void DestroyFrom(nsIFrame* aDestructRoot);
      71                 :   NS_IMETHOD  AttributeChanged(PRInt32         aNameSpaceID,
      72                 :                                nsIAtom*        aAttribute,
      73                 :                                PRInt32         aModType);
      74                 : 
      75                 :   virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE;
      76                 : 
      77               0 :   virtual nsIFrame* GetContentInsertionFrame() {
      78               0 :     return GetFirstPrincipalChild()->GetContentInsertionFrame();
      79                 :   }
      80                 : 
      81                 :   NS_IMETHOD Reflow(nsPresContext*           aPresContext,
      82                 :                     nsHTMLReflowMetrics&     aDesiredSize,
      83                 :                     const nsHTMLReflowState& aReflowState,
      84                 :                     nsReflowStatus&          aStatus);
      85                 : 
      86                 :   /**
      87                 :    * Foreign objects are always transformed.
      88                 :    */
      89               0 :   virtual bool IsTransformed() const
      90                 :   {
      91               0 :     return true;
      92                 :   }
      93                 : 
      94                 :   /**
      95                 :    * Foreign objects can return a transform matrix.
      96                 :    */
      97                 :   virtual gfx3DMatrix GetTransformMatrix(nsIFrame* aAncestor,
      98                 :                                          nsIFrame **aOutAncestor);
      99                 : 
     100                 :   /**
     101                 :    * Get the "type" of the frame
     102                 :    *
     103                 :    * @see nsGkAtoms::svgForeignObjectFrame
     104                 :    */
     105                 :   virtual nsIAtom* GetType() const;
     106                 : 
     107               0 :   virtual bool IsFrameOfType(PRUint32 aFlags) const
     108                 :   {
     109                 :     return nsSVGForeignObjectFrameBase::IsFrameOfType(aFlags &
     110               0 :       ~(nsIFrame::eSVG | nsIFrame::eSVGForeignObject));
     111                 :   }
     112                 : 
     113                 :   virtual void InvalidateInternal(const nsRect& aDamageRect,
     114                 :                                   nscoord aX, nscoord aY, nsIFrame* aForChild,
     115                 :                                   PRUint32 aFlags);
     116                 : 
     117                 : #ifdef DEBUG
     118               0 :   NS_IMETHOD GetFrameName(nsAString& aResult) const
     119                 :   {
     120               0 :     return MakeFrameName(NS_LITERAL_STRING("SVGForeignObject"), aResult);
     121                 :   }
     122                 : #endif
     123                 : 
     124                 :   // nsISVGChildFrame interface:
     125                 :   NS_IMETHOD PaintSVG(nsRenderingContext *aContext,
     126                 :                       const nsIntRect *aDirtyRect);
     127                 :   NS_IMETHOD_(nsIFrame*) GetFrameForPoint(const nsPoint &aPoint);
     128                 :   NS_IMETHOD_(nsRect) GetCoveredRegion();
     129                 :   NS_IMETHOD UpdateCoveredRegion();
     130                 :   NS_IMETHOD InitialUpdate();
     131                 :   virtual void NotifySVGChanged(PRUint32 aFlags);
     132                 :   virtual void NotifyRedrawSuspended();
     133                 :   virtual void NotifyRedrawUnsuspended();
     134                 :   virtual gfxRect GetBBoxContribution(const gfxMatrix &aToBBoxUserspace,
     135                 :                                       PRUint32 aFlags);
     136               0 :   NS_IMETHOD_(bool) IsDisplayContainer() { return true; }
     137               0 :   NS_IMETHOD_(bool) HasValidCoveredRect() {
     138               0 :     return !(GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD);
     139                 :   }
     140                 : 
     141                 :   gfxMatrix GetCanvasTM();
     142                 : 
     143                 :   // This method allows our nsSVGOuterSVGFrame to reflow us as necessary.
     144                 :   void MaybeReflowFromOuterSVGFrame();
     145                 : 
     146                 : protected:
     147                 :   // implementation helpers:
     148                 :   void DoReflow();
     149                 :   void RequestReflow(nsIPresShell::IntrinsicDirty aType);
     150                 :   void UpdateGraphic();
     151                 : 
     152                 :   // Returns GetCanvasTM followed by a scale from CSS px to Dev px. Used for
     153                 :   // painting, because children expect to paint to device space, not userspace.
     154                 :   gfxMatrix GetCanvasTMForChildren();
     155                 :   void InvalidateDirtyRect(nsSVGOuterSVGFrame* aOuter,
     156                 :                            const nsRect& aRect, PRUint32 aFlags);
     157                 :   void FlushDirtyRegion(PRUint32 aFlags);
     158                 : 
     159                 :   // If width or height is less than or equal to zero we must disable rendering
     160               0 :   bool IsDisabled() const { return mRect.width <= 0 || mRect.height <= 0; }
     161                 : 
     162                 :   nsAutoPtr<gfxMatrix> mCanvasTM;
     163                 : 
     164                 :   // Areas dirtied by changes to decendents that are in our document
     165                 :   nsRegion mSameDocDirtyRegion;
     166                 : 
     167                 :   // Areas dirtied by changes to sub-documents embedded by our decendents
     168                 :   nsRegion mSubDocDirtyRegion;
     169                 : 
     170                 :   nsRect mCoveredRegion;
     171                 : 
     172                 :   bool mInReflow;
     173                 : };
     174                 : 
     175                 : #endif

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