LCOV - app.info - layout/ipc/RenderFrameParent.h

LCOV - code coverage report
| Current view: | directory - layout/ipc - RenderFrameParent.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 17 | 0 | 0.0 %
| Date: | 2012-06-02 | Functions: | 13 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
           2                 :  * vim: sw=2 ts=8 et :
           3                 :  */
           4                 : /* ***** BEGIN LICENSE BLOCK *****
           5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           6                 :  *
           7                 :  * The contents of this file are subject to the Mozilla Public License Version
           8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           9                 :  * the License. You may obtain a copy of the License at:
          10                 :  * http://www.mozilla.org/MPL/
          11                 :  *
          12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          14                 :  * for the specific language governing rights and limitations under the
          15                 :  * License.
          16                 :  *
          17                 :  * The Original Code is Mozilla Code.
          18                 :  *
          19                 :  * The Initial Developer of the Original Code is
          20                 :  *   The Mozilla Foundation
          21                 :  * Portions created by the Initial Developer are Copyright (C) 2010
          22                 :  * the Initial Developer. All Rights Reserved.
          23                 :  *
          24                 :  * Contributor(s):
          25                 :  *   Chris Jones <jones.chris.g@gmail.com>
          26                 :  *
          27                 :  * Alternatively, the contents of this file may be used under the terms of
          28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          31                 :  * of those above. If you wish to allow use of your version of this file only
          32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          33                 :  * use your version of this file under the terms of the MPL, indicate your
          34                 :  * decision by deleting the provisions above and replace them with the notice
          35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          36                 :  * the provisions above, a recipient may use your version of this file under
          37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          38                 :  *
          39                 :  * ***** END LICENSE BLOCK ***** */
          40                 :
          41                 : #ifndef mozilla_layout_RenderFrameParent_h
          42                 : #define mozilla_layout_RenderFrameParent_h
          43                 :
          44                 : #include "mozilla/layout/PRenderFrameParent.h"
          45                 : #include "mozilla/layers/ShadowLayersManager.h"
          46                 :
          47                 : #include <map>
          48                 : #include "nsDisplayList.h"
          49                 : #include "Layers.h"
          50                 :
          51                 : class nsContentView;
          52                 : class nsFrameLoader;
          53                 : class nsSubDocumentFrame;
          54                 :
          55                 : namespace mozilla {
          56                 :
          57                 : namespace layers {
          58                 : class ShadowLayersParent;
          59                 : }
          60                 :
          61                 : namespace layout {
          62                 :
          63                 : class RenderFrameParent : public PRenderFrameParent,
          64                 :                           public mozilla::layers::ShadowLayersManager
          65                 : {
          66                 :   typedef mozilla::layers::FrameMetrics FrameMetrics;
          67                 :   typedef mozilla::layers::ContainerLayer ContainerLayer;
          68                 :   typedef mozilla::layers::Layer Layer;
          69                 :   typedef mozilla::layers::LayerManager LayerManager;
          70                 :   typedef mozilla::layers::ShadowLayersParent ShadowLayersParent;
          71                 :   typedef FrameMetrics::ViewID ViewID;
          72                 :
          73                 : public:
          74                 :   typedef std::map<ViewID, nsRefPtr<nsContentView> > ViewMap;
          75                 :
          76                 :   RenderFrameParent(nsFrameLoader* aFrameLoader);
          77                 :   virtual ~RenderFrameParent();
          78                 :
          79                 :   void Destroy();
          80                 :
          81                 :   /**
          82                 :    * Helper function for getting a non-owning reference to a scrollable.
          83                 :    * @param aId The ID of the frame.
          84                 :    */
          85                 :   nsContentView* GetContentView(ViewID aId = FrameMetrics::ROOT_SCROLL_ID);
          86                 :
          87                 :   void ContentViewScaleChanged(nsContentView* aView);
          88                 :
          89                 :   virtual void ShadowLayersUpdated() MOZ_OVERRIDE;
          90                 :
          91                 :   NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
          92                 :                               nsSubDocumentFrame* aFrame,
          93                 :                               const nsRect& aDirtyRect,
          94                 :                               const nsDisplayListSet& aLists);
          95                 :
          96                 :   already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
          97                 :                                      nsIFrame* aFrame,
          98                 :                                      LayerManager* aManager,
          99                 :                                      const nsIntRect& aVisibleRect);
         100                 :
         101                 :   void OwnerContentChanged(nsIContent* aContent);
         102                 :
         103                 :   void SetBackgroundColor(nscolor aColor) { mBackgroundColor = gfxRGBA(aColor); };
         104                 :
         105                 : protected:
         106                 :   NS_OVERRIDE void ActorDestroy(ActorDestroyReason why);
         107                 :
         108                 :   NS_OVERRIDE virtual PLayersParent* AllocPLayers(LayerManager::LayersBackend* aBackendType);
         109                 :   NS_OVERRIDE virtual bool DeallocPLayers(PLayersParent* aLayers);
         110                 :
         111                 : private:
         112                 :   void BuildViewMap();
         113                 :
         114                 :   LayerManager* GetLayerManager() const;
         115                 :   ShadowLayersParent* GetShadowLayers() const;
         116                 :   ContainerLayer* GetRootLayer() const;
         117                 :
         118                 :   nsRefPtr<nsFrameLoader> mFrameLoader;
         119                 :   nsRefPtr<ContainerLayer> mContainer;
         120                 :
         121                 :   // This contains the views for all the scrollable frames currently in the
         122                 :   // painted region of our remote content.
         123                 :   ViewMap mContentViews;
         124                 :
         125                 :   // True after Destroy() has been called, which is triggered
         126                 :   // originally by nsFrameLoader::Destroy().  After this point, we can
         127                 :   // no longer safely ask the frame loader to find its nearest layer
         128                 :   // manager, because it may have been disconnected from the DOM.
         129                 :   // It's still OK to *tell* the frame loader that we've painted after
         130                 :   // it's destroyed; it'll just ignore us, and we won't be able to
         131                 :   // find an nsIFrame to invalidate.  See ShadowLayersUpdated().
         132                 :   //
         133                 :   // Prefer the extra bit of state to null'ing out mFrameLoader in
         134                 :   // Destroy() so that less code needs to be special-cased for after
         135                 :   // Destroy().
         136                 :   //
         137                 :   // It's possible for mFrameLoader==null and
         138                 :   // mFrameLoaderDestroyed==false.
         139                 :   bool mFrameLoaderDestroyed;
         140                 :   // this is gfxRGBA because that's what ColorLayer wants.
         141                 :   gfxRGBA mBackgroundColor;
         142                 : };
         143                 :
         144                 : } // namespace layout
         145                 : } // namespace mozilla
         146                 :
         147                 : /**
         148                 :  * A DisplayRemote exists solely to graft a child process's shadow
         149                 :  * layer tree (for a given RenderFrameParent) into its parent
         150                 :  * process's layer tree.
         151                 :  */
         152                 : class nsDisplayRemote : public nsDisplayItem
         153               0 : {
         154                 :   typedef mozilla::layout::RenderFrameParent RenderFrameParent;
         155                 :
         156                 : public:
         157               0 :   nsDisplayRemote(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
         158                 :                   RenderFrameParent* aRemoteFrame)
         159                 :     : nsDisplayItem(aBuilder, aFrame)
         160               0 :     , mRemoteFrame(aRemoteFrame)
         161               0 :   {}
         162                 :
         163                 :   NS_OVERRIDE
         164               0 :   virtual LayerState GetLayerState(nsDisplayListBuilder* aBuilder,
         165                 :                                    LayerManager* aManager)
         166               0 :   { return mozilla::LAYER_ACTIVE; }
         167                 :
         168                 :   NS_OVERRIDE
         169                 :   virtual already_AddRefed<Layer>
         170                 :   BuildLayer(nsDisplayListBuilder* aBuilder, LayerManager* aManager,
         171                 :              const ContainerParameters& aContainerParameters);
         172                 :
         173               0 :   NS_DISPLAY_DECL_NAME("Remote", TYPE_REMOTE)
         174                 :
         175                 : private:
         176                 :   RenderFrameParent* mRemoteFrame;
         177                 : };
         178                 :
         179                 : /**
         180                 :  * nsDisplayRemoteShadow is a way of adding display items for frames in a
         181                 :  * separate process, for hit testing only. After being processed, the hit
         182                 :  * test state will contain IDs for any remote frames that were hit.
         183                 :  *
         184                 :  * The frame should be its respective render frame parent.
         185                 :  */
         186                 : class nsDisplayRemoteShadow : public nsDisplayItem
         187               0 : {
         188                 :   typedef mozilla::layout::RenderFrameParent RenderFrameParent;
         189                 :   typedef mozilla::layers::FrameMetrics::ViewID ViewID;
         190                 :
         191                 : public:
         192               0 :   nsDisplayRemoteShadow(nsDisplayListBuilder* aBuilder,
         193                 :                         nsIFrame* aFrame,
         194                 :                         nsRect aRect,
         195                 :                         ViewID aId)
         196                 :     : nsDisplayItem(aBuilder, aFrame)
         197                 :     , mRect(aRect)
         198               0 :     , mId(aId)
         199               0 :   {}
         200                 :
         201               0 :   NS_OVERRIDE nsRect GetBounds(nsDisplayListBuilder* aBuilder)
         202                 :   {
         203               0 :     return mRect;
         204                 :   }
         205                 :
         206               0 :   virtual PRUint32 GetPerFrameKey()
         207                 :   {
         208               0 :     NS_ABORT();
         209               0 :     return 0;
         210                 :   }
         211                 :
         212                 :   NS_OVERRIDE void HitTest(nsDisplayListBuilder* aBuilder, const nsRect& aRect,
         213                 :                            HitTestState* aState, nsTArray<nsIFrame*> *aOutFrames);
         214                 :
         215               0 :   NS_DISPLAY_DECL_NAME("Remote-Shadow", TYPE_REMOTE_SHADOW)
         216                 :
         217                 : private:
         218                 :   nsRect mRect;
         219                 :   ViewID mId;
         220                 : };
         221                 :
         222                 : #endif  // mozilla_layout_RenderFrameParent_h

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