LCOV - code coverage report
Current view: directory - layout/generic - nsSubDocumentFrame.h (source / functions) Found Hit Coverage
Test: app.info Lines: 11 0 0.0 %
Date: 2012-06-02 Functions: 7 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 20; 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 Corporation code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is 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                 :  *   Robert O'Callahan <robert@ocallahan.org>
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * 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 NSSUBDOCUMENTFRAME_H_
      39                 : #define NSSUBDOCUMENTFRAME_H_
      40                 : 
      41                 : #include "nsLeafFrame.h"
      42                 : #include "nsIReflowCallback.h"
      43                 : #include "nsFrameLoader.h"
      44                 : 
      45                 : /******************************************************************************
      46                 :  * nsSubDocumentFrame
      47                 :  *****************************************************************************/
      48                 : class nsSubDocumentFrame : public nsLeafFrame,
      49                 :                            public nsIReflowCallback
      50               0 : {
      51                 : public:
      52                 :   NS_DECL_QUERYFRAME_TARGET(nsSubDocumentFrame)
      53                 :   NS_DECL_FRAMEARENA_HELPERS
      54                 : 
      55                 :   nsSubDocumentFrame(nsStyleContext* aContext);
      56                 : 
      57                 : #ifdef DEBUG
      58                 :   NS_IMETHOD GetFrameName(nsAString& aResult) const;
      59                 : #endif
      60                 : 
      61                 :   NS_DECL_QUERYFRAME
      62                 : 
      63                 :   virtual nsIAtom* GetType() const;
      64                 : 
      65               0 :   virtual bool IsFrameOfType(PRUint32 aFlags) const
      66                 :   {
      67                 :     // nsLeafFrame is already eReplacedContainsBlock, but that's somewhat bogus
      68                 :     return nsLeafFrame::IsFrameOfType(aFlags &
      69               0 :       ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
      70                 :   }
      71                 : 
      72                 :   NS_IMETHOD Init(nsIContent*      aContent,
      73                 :                   nsIFrame*        aParent,
      74                 :                   nsIFrame*        aPrevInFlow);
      75                 : 
      76                 :   virtual void DestroyFrom(nsIFrame* aDestructRoot);
      77                 : 
      78                 :   virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
      79                 :   virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
      80                 : 
      81                 :   virtual IntrinsicSize GetIntrinsicSize();
      82                 :   virtual nsSize  GetIntrinsicRatio();
      83                 : 
      84                 :   virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
      85                 :                                  nsSize aCBSize, nscoord aAvailableWidth,
      86                 :                                  nsSize aMargin, nsSize aBorder,
      87                 :                                  nsSize aPadding, bool aShrinkWrap);
      88                 : 
      89                 :   virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
      90                 :                              nsSize aCBSize, nscoord aAvailableWidth,
      91                 :                              nsSize aMargin, nsSize aBorder, nsSize aPadding,
      92                 :                              bool aShrinkWrap);
      93                 : 
      94                 :   NS_IMETHOD Reflow(nsPresContext*          aPresContext,
      95                 :                     nsHTMLReflowMetrics&     aDesiredSize,
      96                 :                     const nsHTMLReflowState& aReflowState,
      97                 :                     nsReflowStatus&          aStatus);
      98                 : 
      99                 :   NS_IMETHOD BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     100                 :                               const nsRect&           aDirtyRect,
     101                 :                               const nsDisplayListSet& aLists);
     102                 : 
     103                 :   NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
     104                 :                               nsIAtom* aAttribute,
     105                 :                               PRInt32 aModType);
     106                 : 
     107                 :   // if the content is "visibility:hidden", then just hide the view
     108                 :   // and all our contents. We don't extend "visibility:hidden" to
     109                 :   // the child content ourselves, since it belongs to a different
     110                 :   // document and CSS doesn't inherit in there.
     111               0 :   virtual bool SupportsVisibilityHidden() { return false; }
     112                 : 
     113                 : #ifdef ACCESSIBILITY
     114                 :   virtual already_AddRefed<nsAccessible> CreateAccessible();
     115                 : #endif
     116                 : 
     117                 :   nsresult GetDocShell(nsIDocShell **aDocShell);
     118                 :   nsresult BeginSwapDocShells(nsIFrame* aOther);
     119                 :   void EndSwapDocShells(nsIFrame* aOther);
     120                 :   nsIView* EnsureInnerView();
     121                 :   nsIFrame* GetSubdocumentRootFrame();
     122                 : 
     123                 :   // nsIReflowCallback
     124                 :   virtual bool ReflowFinished();
     125                 :   virtual void ReflowCallbackCanceled();
     126                 : 
     127               0 :   bool ShouldClipSubdocument()
     128                 :   {
     129               0 :     nsFrameLoader* frameLoader = FrameLoader();
     130               0 :     return !frameLoader || frameLoader->ShouldClipSubdocument();
     131                 :   }
     132                 : 
     133               0 :   bool ShouldClampScrollPosition()
     134                 :   {
     135               0 :     nsFrameLoader* frameLoader = FrameLoader();
     136               0 :     return !frameLoader || frameLoader->ShouldClampScrollPosition();
     137                 :   }
     138                 : 
     139                 : protected:
     140                 :   friend class AsyncFrameInit;
     141                 : 
     142                 :   // Helper method to look up the HTML marginwidth & marginheight attributes
     143                 :   nsIntSize GetMarginAttributes();
     144                 : 
     145                 :   nsFrameLoader* FrameLoader();
     146                 : 
     147               0 :   bool IsInline() { return mIsInline; }
     148                 : 
     149                 :   virtual nscoord GetIntrinsicWidth();
     150                 :   virtual nscoord GetIntrinsicHeight();
     151                 : 
     152                 :   virtual PRIntn GetSkipSides() const;
     153                 : 
     154                 :   // Hide or show our document viewer
     155                 :   void HideViewer();
     156                 :   void ShowViewer();
     157                 : 
     158                 :   /* Obtains the frame we should use for intrinsic size information if we are
     159                 :    * an HTML <object>, <embed> or <applet> (a replaced element - not <iframe>)
     160                 :    * and our sub-document has an intrinsic size. The frame returned is the
     161                 :    * frame for the document element of the document we're embedding.
     162                 :    *
     163                 :    * Called "Obtain*" and not "Get*" because of comment on GetDocShell that
     164                 :    * says it should be called ObtainDocShell because of it's side effects.
     165                 :    */
     166                 :   nsIFrame* ObtainIntrinsicSizeFrame();
     167                 : 
     168                 :   nsRefPtr<nsFrameLoader> mFrameLoader;
     169                 :   nsIView* mInnerView;
     170                 :   bool mIsInline;
     171                 :   bool mPostedReflowCallback;
     172                 :   bool mDidCreateDoc;
     173                 :   bool mCallingShow;
     174                 : };
     175                 : 
     176                 : #endif /* NSSUBDOCUMENTFRAME_H_ */

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