LCOV - app.info - layout/generic/nsSubDocumentFrame.h

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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