LCOV - app.info - layout/xul/base/src/nsImageBoxFrame.h

LCOV - code coverage report
| Current view: | directory - layout/xul/base/src - nsImageBoxFrame.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 1 | 0 | 0.0 %
| Date: | 2012-07-07 | Functions: | 1 | 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 Mozilla Communicator client code.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Netscape Communications Corporation.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          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                 : #ifndef nsImageBoxFrame_h___
          38                 : #define nsImageBoxFrame_h___
          39                 :
          40                 : #include "nsLeafBoxFrame.h"
          41                 :
          42                 : #include "imgILoader.h"
          43                 : #include "imgIRequest.h"
          44                 : #include "imgIContainer.h"
          45                 : #include "nsStubImageDecoderObserver.h"
          46                 :
          47                 : class nsImageBoxFrame;
          48                 :
          49                 : class nsImageBoxListener : public nsStubImageDecoderObserver
          50                 : {
          51                 : public:
          52                 :   nsImageBoxListener();
          53                 :   virtual ~nsImageBoxListener();
          54                 :
          55                 :   NS_DECL_ISUPPORTS
          56                 :   // imgIDecoderObserver (override nsStubImageDecoderObserver)
          57                 :   NS_IMETHOD OnStartContainer(imgIRequest *request, imgIContainer *image);
          58                 :   NS_IMETHOD OnStopContainer(imgIRequest *request, imgIContainer *image);
          59                 :   NS_IMETHOD OnStopDecode(imgIRequest *request, nsresult status,
          60                 :                           const PRUnichar *statusArg);
          61                 :   NS_IMETHOD OnImageIsAnimated(imgIRequest* aRequest);
          62                 :
          63                 :   // imgIContainerObserver (override nsStubImageDecoderObserver)
          64                 :   NS_IMETHOD FrameChanged(imgIRequest *aRequest,
          65                 :                           imgIContainer *aContainer,
          66                 :                           const nsIntRect *aDirtyRect);
          67                 :
          68               0 :   void SetFrame(nsImageBoxFrame *frame) { mFrame = frame; }
          69                 :
          70                 : private:
          71                 :   nsImageBoxFrame *mFrame;
          72                 : };
          73                 :
          74                 : class nsImageBoxFrame : public nsLeafBoxFrame
          75                 : {
          76                 : public:
          77                 :   NS_DECL_FRAMEARENA_HELPERS
          78                 :
          79                 :   // nsIBox
          80                 :   virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState);
          81                 :   virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState);
          82                 :   virtual nscoord GetBoxAscent(nsBoxLayoutState& aBoxLayoutState);
          83                 :   virtual void MarkIntrinsicWidthsDirty();
          84                 :
          85                 :   friend nsIFrame* NS_NewImageBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
          86                 :
          87                 :   // nsIBox frame interface
          88                 :
          89                 :   NS_IMETHOD  Init(nsIContent*      aContent,
          90                 :                    nsIFrame*        aParent,
          91                 :                    nsIFrame*        asPrevInFlow);
          92                 :
          93                 :   NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
          94                 :                               nsIAtom* aAttribute,
          95                 :                               PRInt32 aModType);
          96                 :
          97                 :   virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext);
          98                 :
          99                 :   virtual void DestroyFrom(nsIFrame* aDestructRoot);
         100                 :
         101                 :   virtual nsIAtom* GetType() const;
         102                 : #ifdef DEBUG
         103                 :   NS_IMETHOD GetFrameName(nsAString& aResult) const;
         104                 : #endif
         105                 :
         106                 :   /**
         107                 :    * Update mUseSrcAttr from appropriate content attributes or from
         108                 :    * style, throw away the current image, and load the appropriate
         109                 :    * image.
         110                 :    * */
         111                 :   void UpdateImage();
         112                 :
         113                 :   /**
         114                 :    * Update mLoadFlags from content attributes. Does not attempt to reload the
         115                 :    * image using the new load flags.
         116                 :    */
         117                 :   void UpdateLoadFlags();
         118                 :
         119                 :   NS_IMETHOD BuildDisplayList(nsDisplayListBuilder*   aBuilder,
         120                 :                               const nsRect&           aDirtyRect,
         121                 :                               const nsDisplayListSet& aLists);
         122                 :
         123                 :   NS_IMETHOD OnStartContainer(imgIRequest *request, imgIContainer *image);
         124                 :   NS_IMETHOD OnStopContainer(imgIRequest *request, imgIContainer *image);
         125                 :   NS_IMETHOD OnStopDecode(imgIRequest *request,
         126                 :                           nsresult status,
         127                 :                           const PRUnichar *statusArg);
         128                 :   NS_IMETHOD OnImageIsAnimated(imgIRequest* aRequest);
         129                 :
         130                 :   NS_IMETHOD FrameChanged(imgIRequest *aRequest,
         131                 :                           imgIContainer *aContainer,
         132                 :                           const nsIntRect *aDirtyRect);
         133                 :
         134                 :   virtual ~nsImageBoxFrame();
         135                 :
         136                 :   void  PaintImage(nsRenderingContext& aRenderingContext,
         137                 :                    const nsRect& aDirtyRect,
         138                 :                    nsPoint aPt, PRUint32 aFlags);
         139                 :
         140                 : protected:
         141                 :   nsImageBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext);
         142                 :
         143                 :   virtual void GetImageSize();
         144                 :
         145                 : private:
         146                 :
         147                 :   nsRect mSubRect; ///< If set, indicates that only the portion of the image specified by the rect should be used.
         148                 :   nsSize mIntrinsicSize;
         149                 :   nsSize mImageSize;
         150                 :
         151                 :   // Boolean variable to determine if the current image request has been
         152                 :   // registered with the refresh driver.
         153                 :   bool mRequestRegistered;
         154                 :
         155                 :   nsCOMPtr<imgIRequest> mImageRequest;
         156                 :   nsCOMPtr<imgIDecoderObserver> mListener;
         157                 :
         158                 :   PRInt32 mLoadFlags;
         159                 :
         160                 :   bool mUseSrcAttr; ///< Whether or not the image src comes from an attribute.
         161                 :   bool mSuppressStyleCheck;
         162                 : }; // class nsImageBoxFrame
         163                 :
         164                 : #endif /* nsImageBoxFrame_h___ */

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