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

LCOV - code coverage report
| Current view: | directory - layout/generic - nsVideoFrame.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 3 | 0 | 0.0 %
| Date: | 2012-07-07 | Functions: | 2 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* vim:set ts=2 sw=2 sts=2 et cindent: */
           3                 : /* ***** BEGIN LICENSE BLOCK *****
           4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           5                 :  *
           6                 :  * The contents of this file are subject to the Mozilla Public License Version
           7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           8                 :  * the License. You may obtain a copy of the License at
           9                 :  * http://www.mozilla.org/MPL/
          10                 :  *
          11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          13                 :  * for the specific language governing rights and limitations under the
          14                 :  * License.
          15                 :  *
          16                 :  * The Original Code is Mozilla code.
          17                 :  *
          18                 :  * The Initial Developer of the Original Code is the Mozilla Corporation.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 2007
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *  Chris Double <chris.double@double.co.nz>
          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                 : /* rendering object for the HTML <video> element */
          40                 :
          41                 : #ifndef nsVideoFrame_h___
          42                 : #define nsVideoFrame_h___
          43                 :
          44                 : #include "nsContainerFrame.h"
          45                 : #include "nsString.h"
          46                 : #include "nsAString.h"
          47                 : #include "nsIIOService.h"
          48                 : #include "nsITimer.h"
          49                 : #include "nsTArray.h"
          50                 : #include "nsIAnonymousContentCreator.h"
          51                 : #include "Layers.h"
          52                 : #include "ImageLayers.h"
          53                 :
          54                 : class nsPresContext;
          55                 : class nsDisplayItem;
          56                 :
          57                 : nsIFrame* NS_NewVideoFrame (nsIPresShell* aPresShell, nsStyleContext* aContext);
          58                 :
          59                 : class nsVideoFrame : public nsContainerFrame, public nsIAnonymousContentCreator
          60                 : {
          61                 : public:
          62                 :   typedef mozilla::layers::Layer Layer;
          63                 :   typedef mozilla::layers::LayerManager LayerManager;
          64                 :
          65                 :   nsVideoFrame(nsStyleContext* aContext);
          66                 :
          67                 :   NS_DECL_QUERYFRAME
          68                 :   NS_DECL_FRAMEARENA_HELPERS
          69                 :
          70                 :   NS_IMETHOD BuildDisplayList(nsDisplayListBuilder*   aBuilder,
          71                 :                               const nsRect&           aDirtyRect,
          72                 :                               const nsDisplayListSet& aLists);
          73                 :
          74                 :   NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
          75                 :                               nsIAtom* aAttribute,
          76                 :                               PRInt32 aModType);
          77                 :
          78                 :   /* get the size of the video's display */
          79                 :   nsSize GetVideoIntrinsicSize(nsRenderingContext *aRenderingContext);
          80                 :   virtual nsSize GetIntrinsicRatio();
          81                 :   virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
          82                 :                              nsSize aCBSize, nscoord aAvailableWidth,
          83                 :                              nsSize aMargin, nsSize aBorder, nsSize aPadding,
          84                 :                              bool aShrinkWrap);
          85                 :   virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
          86                 :   virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
          87                 :   virtual void DestroyFrom(nsIFrame* aDestructRoot);
          88                 :   virtual bool IsLeaf() const;
          89                 :
          90                 :   NS_IMETHOD Reflow(nsPresContext*          aPresContext,
          91                 :                     nsHTMLReflowMetrics&     aDesiredSize,
          92                 :                     const nsHTMLReflowState& aReflowState,
          93                 :                     nsReflowStatus&          aStatus);
          94                 :
          95                 : #ifdef ACCESSIBILITY
          96                 :   virtual already_AddRefed<nsAccessible> CreateAccessible();
          97                 : #endif
          98                 :
          99                 :   virtual nsIAtom* GetType() const;
         100                 :
         101               0 :   virtual bool IsFrameOfType(PRUint32 aFlags) const
         102                 :   {
         103               0 :     return nsSplittableFrame::IsFrameOfType(aFlags & ~(nsIFrame::eReplaced));
         104                 :   }
         105                 :
         106                 :   virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements);
         107                 :   virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
         108                 :                                         PRUint32 aFilters);
         109                 :
         110               0 :   nsIContent* GetPosterImage() { return mPosterImage; }
         111                 :
         112                 :   // Returns true if we should display the poster. Note that once we show
         113                 :   // a video frame, the poster will never be displayed again.
         114                 :   bool ShouldDisplayPoster();
         115                 :
         116                 : #ifdef DEBUG
         117                 :   NS_IMETHOD GetFrameName(nsAString& aResult) const;
         118                 : #endif
         119                 :
         120                 :   already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
         121                 :                                      LayerManager* aManager,
         122                 :                                      nsDisplayItem* aItem);
         123                 :
         124                 : protected:
         125                 :
         126                 :   // Returns true if we're rendering for a video element. We still create
         127                 :   // nsVideoFrame to render controls for an audio element.
         128                 :   bool HasVideoElement();
         129                 :
         130                 :   // Returns true if there is video data to render. Can return false
         131                 :   // when we're the frame for an audio element, or we've created a video
         132                 :   // element for a media which is audio-only.
         133                 :   bool HasVideoData();
         134                 :
         135                 :   // Sets the mPosterImage's src attribute to be the video's poster attribute,
         136                 :   // if we're the frame for a video element. Only call on frames for video
         137                 :   // elements, not for frames for audio elements.
         138                 :   nsresult UpdatePosterSource(bool aNotify);
         139                 :
         140                 :   virtual ~nsVideoFrame();
         141                 :
         142                 :   nsMargin mBorderPadding;
         143                 :
         144                 :   // Anonymous child which is bound via XBL to the video controls.
         145                 :   nsCOMPtr<nsIContent> mVideoControls;
         146                 :
         147                 :   // Anonymous child which is the image element of the poster frame.
         148                 :   nsCOMPtr<nsIContent> mPosterImage;
         149                 : };
         150                 :
         151                 : #endif /* nsVideoFrame_h___ */

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