uiacceltk/hitchcock/ServerCore/Inc/alfstreamerbridge.h
changeset 0 15bf7259bb7c
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     1 /*
       
     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   Interthread synchronization object
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef __ALF_STREAMER_BRIDGE__
       
    20 #define __ALF_STREAMER_BRIDGE__
       
    21 
       
    22 #include <e32std.h>
       
    23 #include <e32base.h>
       
    24 #include <fbs.h>
       
    25 #include "alfbridgecommands.h"
       
    26 #include "uiacceltk/HuiEnv.h"
       
    27 #include "alfstreamerconsts.h"
       
    28 
       
    29 
       
    30 class CAlfStreamerServer;
       
    31 class CAlfCommandDebug;
       
    32 
       
    33 const TInt KInitialVariableBufferSize = 2000;
       
    34 
       
    35 // basic signalling for frame flow control
       
    36 const TInt KRELEASEWINDOWSERVER = 0;
       
    37 const TInt KRELEASEDBEFOREQUEUE = 1;
       
    38 
       
    39 
       
    40 //TODO THESE SHOULD USE MWsWindowTreeNode::TType INSTEAD
       
    41 enum TAlfWindowNodeType
       
    42     {
       
    43 	EAlfWinTreeNodeClient = 0,	
       
    44 	EAlfWinTreeNodeRoot = 1,		
       
    45 	EAlfWinTreeNodeGroup = 2,		
       
    46 	EAlfWinTreeNodeAnim = 16,		
       
    47 	EAlfWinTreeNodeSprite = 17,
       
    48 	EAlfWinTreeNodeTextCursor = 18,
       
    49 	EAlfWinTreeNodeFloatingSprite = 19 // TODO SOLVE THIS. THIS IS VERY MISLEADING ARRANGAMENT!
       
    50 	};
       
    51 
       
    52 enum TAlfWindowNodeFlags
       
    53     {
       
    54     EAlfWinNodeFlagOpaque = 0x1            
       
    55     };
       
    56 
       
    57 class TAlfWindowAttributes
       
    58     {
       
    59 public:
       
    60     TAlfWindowAttributes() :    
       
    61         iWindowNodeType(0),
       
    62         iPosition(0,0),
       
    63         iSize(0,0),
       
    64         iOrdinalPosition(0),
       
    65         iOpacity(1.f),
       
    66         iRotation(0.f),
       
    67         iTransitionTime(0),
       
    68         iActive(ETrue),
       
    69         iSurfaceExtent(0,0,0,0),
       
    70         iLayerUsesAlphaFlagEnabled(EFalse),
       
    71         iClientHandle(0),
       
    72         iClientGroupHandle(0),
       
    73         iWindowNodeFlags(0),
       
    74         iScreenNumber(0),
       
    75         iSecureId(0),
       
    76         iParentNodeId(0)
       
    77 #ifdef ALF_DEBUG_TRACK_DRAWING
       
    78         ,iTrackWindow(EFalse)
       
    79 #endif
       
    80             {
       
    81             }
       
    82     
       
    83     TInt    iWindowNodeType; // MWsWindowTreeNode::TType
       
    84     TPoint  iPosition;        
       
    85     TSize   iSize;
       
    86     TInt    iOrdinalPosition;
       
    87     TReal32 iOpacity;
       
    88     TReal32 iRotation;
       
    89     TUint   iTransitionTime;
       
    90     TBool   iActive;
       
    91     TRect   iSurfaceExtent;
       
    92     TBool   iLayerUsesAlphaFlagEnabled;
       
    93     TInt    iClientHandle;
       
    94     TInt    iClientGroupHandle;
       
    95     TInt    iWindowNodeFlags;
       
    96     TInt    iScreenNumber;
       
    97     TInt    iBitmapHandle;
       
    98     TInt32  iSecureId;
       
    99     TInt    iParentNodeId;
       
   100 #ifdef ALF_DEBUG_TRACK_DRAWING	
       
   101     TBool   iTrackWindow;
       
   102 #endif	
       
   103     // TODO: We should refactor this to contain unions or 
       
   104     // different strcuts for different commands, 
       
   105     // every command does not use everything
       
   106     
       
   107     };
       
   108 
       
   109 class TAlfCursorDataBufferAttributes
       
   110     {
       
   111 public:
       
   112     TInt iColor;
       
   113     TInt iFlashInterval;
       
   114     TInt iFlags;
       
   115     TInt iScreenNumber;
       
   116     };
       
   117 
       
   118 
       
   119 class TAlfWindowCommandBufferAttributes
       
   120     {
       
   121 
       
   122 public:
       
   123     enum TAlfBufferStatus 
       
   124     {
       
   125 		EPartComplete,
       
   126 		ENotComplete,
       
   127 		ELastPart
       
   128     }; 
       
   129 
       
   130     TAlfWindowCommandBufferAttributes() :    
       
   131         iBufferLength(0),
       
   132         iBuffer(NULL),
       
   133         iEmptyThisBuffer(ETrue),
       
   134         iPartStatus(EPartComplete),
       
   135         iWindowNodeFlags(0)        
       
   136 
       
   137             {
       
   138             }
       
   139     TInt    iBufferLength;
       
   140     TAny*   iBuffer;
       
   141     TBool   iEmptyThisBuffer;
       
   142     TAlfBufferStatus   iPartStatus;
       
   143     TInt    iWindowNodeFlags;
       
   144     TInt    iScreenNumber;
       
   145     };
       
   146 
       
   147 class MAlfStreamerListener
       
   148     {
       
   149     public:
       
   150     virtual void HandleCallback(TInt aStatus) = 0;
       
   151     };
       
   152 
       
   153 class MAlfBatchObs
       
   154     {
       
   155     public:
       
   156     virtual void BridgerCallback( TInt aOp = 0, TInt aInt = 0) = 0;
       
   157     virtual void BridgerCanceled() = 0;
       
   158     };
       
   159 
       
   160 class TAlfBridgerData
       
   161     {
       
   162     private:
       
   163 
       
   164     public:
       
   165     TAlfBridgerData()
       
   166         {
       
   167         ResetEntry();
       
   168         }
       
   169     
       
   170     void Set(TAlfDecoderServerBindings aOp,TInt aI1,TInt aI2,TAny* aPtr)
       
   171         {
       
   172         iOp=aOp;
       
   173         iInt1=aI1;
       
   174         iInt2=aI2;
       
   175         iPtr=aPtr;        
       
   176         }
       
   177     
       
   178     void ResetEntry()
       
   179         {
       
   180         Set(KUnInitialized,0,0,0);
       
   181         }    
       
   182     
       
   183     TBool IsEmpty()
       
   184         {
       
   185         return iOp == KUnInitialized;        
       
   186         }
       
   187     
       
   188     TAlfDecoderServerBindings iOp;
       
   189     TInt iInt1;
       
   190     TInt iInt2;
       
   191     TAny* iPtr;
       
   192     };
       
   193 
       
   194 
       
   195 NONSHARABLE_CLASS(CAlfStreamerBridge): public CActive, public CHuiEnv::MHuiSwapObserver
       
   196 
       
   197     {
       
   198     public:
       
   199    
       
   200     CAlfStreamerBridge(MAlfStreamerListener* aObserver);
       
   201 
       
   202     static CAlfStreamerBridge* NewL( MAlfStreamerListener* aObserver );
       
   203 
       
   204 private:
       
   205         
       
   206     void ConstructL();
       
   207 
       
   208     ~CAlfStreamerBridge();
       
   209     
       
   210 public:
       
   211         
       
   212     /**
       
   213      * SetBatchObserver
       
   214      *
       
   215      * @since S60 5.0
       
   216      * @param aWindow
       
   217      */
       
   218     void SetBatchObserver(MAlfBatchObs* aBatchObserver);
       
   219     
       
   220     /**
       
   221      * Activate
       
   222      *
       
   223      * @since S60 5.0
       
   224      * @param aWindow
       
   225      */    
       
   226     void Activate();
       
   227          
       
   228     /**
       
   229      * Trigger
       
   230      *
       
   231      * @since S60 5.0
       
   232      */
       
   233     TInt Trigger(TInt aStatus);
       
   234   
       
   235     /**
       
   236      * AddData
       
   237      *
       
   238      * @since S60 5.0
       
   239      * @param aWindow
       
   240      */
       
   241     TInt AddData( TAlfDecoderServerBindings aOp,TInt aI1 = 0,TInt aI2 = 0,TAny* aPtr =0);
       
   242     
       
   243     /**
       
   244      * GetData
       
   245      *
       
   246      * @since S60 5.0
       
   247      * @param aWindow
       
   248      */
       
   249     TAlfBridgerData GetData(TInt aIndex);
       
   250     
       
   251     /**
       
   252      * StartNewBlock
       
   253      *
       
   254      * @since S60 5.0
       
   255      */
       
   256     void StartNewBlock();
       
   257 
       
   258     /**
       
   259      * StartNewBlock
       
   260      *
       
   261      * @since S60 5.0
       
   262      * @param aLastReadOffset
       
   263      */
       
   264     void RequestCommandReadNotification( 
       
   265             TInt aLastReadOffset, 
       
   266             TAlfDecoderServerBindings aCommand = EAlfRequestCommandReadNotification );
       
   267 
       
   268     // AppendDataL and GetVarDataL are for keeping the memory allocations inside one thread.    
       
   269     IMPORT_C const TAny* AppendVarDataL( TInt aSize, TInt& aIndex );
       
   270 
       
   271     // Effect data is not synchronized to window server data
       
   272     // It can be safely applied only when refresh is not active in hitchcock scene    
       
   273     IMPORT_C const TAny* AppendEffectsDataL( TInt aSize, TInt& aIndex );
       
   274     const TAny* GetEffectsDataL( TInt aIndex );
       
   275 
       
   276     
       
   277     /**
       
   278      * GetVarDataL
       
   279      *
       
   280      * @since S60 5.0
       
   281      * @param aIndex Offset to the data struct  (relative to iDataBuf)
       
   282      * @return Pointer to the data struct 
       
   283      */
       
   284     const TAny* GetVarDataL( TInt aIndex );
       
   285 
       
   286     
       
   287 	/**
       
   288      * SetStreamerServer()
       
   289      *
       
   290      * Sets Streamserver instance. 
       
   291      */
       
   292     void SetStreamerServer( CAlfStreamerServer& aStreamerServer );
       
   293     /**
       
   294      * StreamerServer()
       
   295      *
       
   296      * Gets Streamserver instance set with set functionality.
       
   297 	 * @see SetStreamerServer()
       
   298      */
       
   299     CAlfStreamerServer* StreamerServer();
       
   300 
       
   301     IMPORT_C TUid FindAppUidForWgId(TInt aWgId);
       
   302     IMPORT_C TInt FindWgForAppUid(TUid aAppUid);
       
   303 
       
   304 public: // from CActive
       
   305         
       
   306     void RunL();
       
   307     
       
   308     void DoCancel();
       
   309     
       
   310 public: // from SwapObserver
       
   311     void PrepareSwap();
       
   312     void SwapComplete();
       
   313     void ReleaseWindowServer(TBool aRelease = ETrue);
       
   314     void SetWgIdArray(TInt* aArray); 
       
   315     
       
   316 private:
       
   317         
       
   318     MAlfStreamerListener* iObserver;
       
   319    
       
   320     MAlfBatchObs* iBatchObserver;
       
   321     
       
   322     TThreadId iThread;
       
   323     
       
   324     RArray<TAlfBridgerData> iMessages;
       
   325     
       
   326     RArray<TInt> iQueue;
       
   327     
       
   328     RCriticalSection iQueueSema;
       
   329     
       
   330     RBuf8 iDataBuf;
       
   331    
       
   332     TInt iItemsInBuffer;
       
   333 
       
   334     RArray<TAlfBridgerData> iFxMessages;
       
   335     RArray<TInt> iFxQueue;
       
   336     RBuf8 iFxBuf;
       
   337     TInt iFxItemsInBuffer;
       
   338     
       
   339     CAlfStreamerServer* iStreamerServer;
       
   340 #ifdef ALF_DEBUG_TRACK_DRAWING    
       
   341     CAlfCommandDebug* iCommandDebugger;
       
   342 #endif
       
   343     
       
   344     volatile TBool iSwapActive;
       
   345     volatile TBool iMakeCurrentActive;
       
   346 
       
   347     TBool iFxQueueActive;
       
   348     TInt* iWgArray;
       
   349     TBool iVarDataAddedButNotPosted;
       
   350 public:
       
   351     TAlfNativeWindowData iAlfWindowData;
       
   352 
       
   353     };
       
   354 
       
   355 
       
   356 #endif // __ALF_STREAMER_BRIDGE__