windowing/windowserverplugins/openwfc/inc/elementwrapper.h
changeset 0 5d03bc08d59c
child 98 bf7481649c98
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserverplugins/openwfc/inc/elementwrapper.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,149 @@
+// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// A class which wraps OpenWF element related functionality.
+
+//
+
+#ifndef ELEMENTWRAPPER_H_
+#define ELEMENTWRAPPER_H_
+
+#include "openwfcwrapper.h"
+#include <graphics/wselement.h>
+#include <graphics/surface.h>
+#include <WF/wfc.h>
+
+#if defined(ENABLE_LI_LOGGING)
+#define LILOG(X)  RDebug::Printf X
+#else
+#define LILOG(X)
+#endif
+
+#define OWF_SURFACE_WIDTH  (768) /* needs to be > 640 + 2 to allow S60 nHD config to work */
+#define OWF_SURFACE_HEIGHT (768) /* needs to be > 640 + 2 to allow S60 nHD config to work */
+
+NONSHARABLE_CLASS(CElementWrapper) : public CBase, public MWsElement
+    {
+public:  
+    enum TOwfUpdates
+        {   //All setters should set EUpdate_PostIllegalUpdate
+        EUpdate_None                        = 0,
+
+        EUpdate_DESTINATION_RECTANGLE       = 0x00000001,
+        EUpdate_SOURCE                      = 0x00000002,
+        EUpdate_SOURCE_RECTANGLE            = 0x00000004,
+        EUpdate_SOURCE_FLIP                 = 0x00000008,
+        EUpdate_SOURCE_ROTATION             = 0x00000010,
+        EUpdate_SOURCE_SCALE_FILTER         = 0x00000020,  //No client-side code yet to drive this
+        EUpdate_TRANSPARENCY_TYPES          = 0x00000040,
+        EUpdate_GLOBAL_ALPHA                = 0x00000080,
+        EUpdate_MASK                        = 0x00000100,  //No client-side code yet to drive this
+        EUpdate_DESTINATION_CLIP_RECTANGLE  = EUpdate_DESTINATION_RECTANGLE|EUpdate_SOURCE_RECTANGLE,
+
+        EUpdate_SOURCE_GEOMETRY_SET         = EUpdate_SOURCE_RECTANGLE|EUpdate_SOURCE_FLIP|EUpdate_SOURCE_ROTATION,
+        EUpdate_ALL_ATTRIBS                 = 0x000fffff,
+        EUpdate_AttributesIllegal           = 0x00100000,   //If set then the owf scene will not be updated because it would be illegal.
+        EUpdate_SettingValid                = 0x00200000,
+        EUpdate_DontLockSource              = 0x00400000,
+
+        EUpdate_Insert                      = 0x01000000,
+        EUpdate_Remove                      = 0x02000000,
+        EUpdate_Destroy                     = 0x04000000,
+        EUpdate_SceneCommited               = 0x10000000,
+        };    
+
+public: // from MWsElement  
+    const TSurfaceId& ConnectedSurface() const;
+    TInt ConnectSurface(const TSurfaceId& aSurface);
+
+    TInt SetSourceRectangle(const TRect& aSrc);
+    TInt GetSourceRectangle(TRect& aSrc);
+    
+    TInt SetSourceFlipping(const TBool aFlip);
+    TBool SourceFlipping() const;
+    
+    MWsElement* ElementAbove();
+    MWsElement* ElementBelow();
+
+    TInt SetGlobalAlpha(const TInt aAlpha);
+    void GlobalAlpha(TInt& aAlpha) const;
+
+    TInt SetSourceRotation(const TElementRotation aElementRotation);
+    MWsElement::TElementRotation SourceRotation() const;
+    
+    TInt SetTargetRendererFlags(const TUint32& aTargetRendererFlags);
+    TInt SetRenderStageFlags(const TUint32& aRenderStageFlags);
+    void GetTargetRendererFlags(TUint32& aTargetRendererFlags) const;
+    void GetRenderStageFlags(TUint32& aRenderStageFlags) const;
+
+    TInt SetDestinationRectangle(const TRect& aDest);
+    TInt GetDestinationRectangle(TRect& aDest) const;
+    TInt SetDestinationClippingRect(const TRect& aDestClipRect);
+    TInt GetDestinationClippingRect(TRect& aDestClipRect) const;
+    
+public:
+    static CElementWrapper* NewL(COpenWfcWrapper& aCOpenWfcWrapper, CElementWrapper*& aCleanupPrevRef);
+    CElementWrapper(COpenWfcWrapper& aOpenWfcWrapper);
+    ~CElementWrapper();
+    void ConstructL(CElementWrapper*& aCleanupPrevRef);
+    void RemoveAfter(CElementWrapper** apBelow);
+    void InsertAfter(CElementWrapper*& aRefBelow, CElementWrapper* aBelow, TOwfUpdates aUpdateFlag);
+    CElementWrapper** RefsMyElementBelow();
+    CElementWrapper*& MyElementAbove();
+    COpenWfcWrapper& Owner()const { return iOpenWfcWrapper;}
+    TBool FlushSceneChanges();
+    WFCElement Element(){ return iElement;};
+    TOwfUpdates UpdateFlags()const {return static_cast<TOwfUpdates>(iUpdateFlags);}
+    TInt ReplicateElements(WFCContext aContext, WFCElement& aPreviousTargetElement, const TPoint& aOffset);
+
+protected:
+    void SetEltDestinationRectangle(WFCElement aElement)const;
+    void SetEltDestinationRectangle(WFCElement aElement, const TPoint& aOffset)const;
+    void SetEltSource(WFCElement aElement)const;
+    void SetEltSourceComposed();
+    void SetEltSourceRectangle(WFCElement aElement);
+    void SetEltSourceFlip(WFCElement aElement)const;
+    void SetEltTransparencyTypes(WFCElement aElement)const;
+    void FlushAttributeChanges(WFCElement aElement, TInt aUpdateFlags);
+    TBool IsNewElementLegal()const;
+    
+private: //methods
+    TBool UnsetSurface(TSurfaceId& aSurface);
+    static TInt WfcRotation(MWsElement::TElementRotation aRotation);
+    void HelpStreamGetHeader(khronos_int32_t* width, khronos_int32_t* height )const;
+    TRect SetSourceDestRect(const TRect& aDestElementRect, const TRect& aDestElementClippedRect,const TRect& aSrcOriginalElementRect,const TBool& aElementFlip,const MWsElement::TElementRotation& aElementRotation) const;
+    TInt SurfaceInfo(const TSurfaceId& aSurface, RSurfaceManager::TInfoBuf& aInfo);
+
+
+private: //data
+    TUint                         iUpdateFlags;
+    COpenWfcWrapper&              iOpenWfcWrapper;
+    TSurfaceId                    iComposedSurfaceId;
+    TSurfaceId                    iSurfaceId;
+    TSize                         iSurfaceSize;
+    TRect                         iSourcRect; 
+    TRect                         iDestinationRect;
+    TRect                         iDestinationClippingRect;
+    TInt                          iGlobalAlpha;
+    TBool                         iFlipped;
+    MWsElement::TElementRotation  iRotation;
+    TUint32                       iTargetRendererFlags;
+    TUint32                       iRenderStageFlags;
+    WFCElement                    iElement;
+    CElementWrapper*              iElementAbove;     //used to maintain the scene list
+    CElementWrapper*              iElementBelow;     //used to maintain the scene list
+    CElementWrapper**             iCleanupPrevRef;    //used to clean up the context on exit
+    CElementWrapper*              iCleanupNext;       //used to clean up the context on exit
+    };
+
+#endif /* ELEMENTWRAPPER_H_ */