MCL/sf/mw/uiresources: comparison skins/AknSkins/srvinc/AknsSrvChunkMaintainer.h

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+:05e9090e2422
+/*
+* Copyright (c) 2002-2008 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:  Chunk maintainer.
+*
+*/
+#ifndef AKNSSRVCHUNKMAINTAINER_H
+#define AKNSSRVCHUNKMAINTAINER_H
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+#include <AknsSrvClient.h>
+#include "AknsSrvItemDef.h"
+#include "AknsSrvExclusion.h"
+// CONSTANTS
+// The shared memory chunk name
+_LIT(KAKNSSRVSHAREDMEMORYCHUNKNAME, "AknsSrvSharedMemoryChunk");
+// The shared memory chunk protection semaphore
+_LIT(KAKNSSRVWAITSEMAPHORENAME, "AknsSrvWaitSemaphore");
+// Rendering mutex
+_LIT(KAKNSSRVRENDERMUTEXNAME, "AknsSrvRenderSemaphore");
+static const TInt KAknsSrvMaxFileNameLen = 512;
+// DATA TYPES
+/**
+* Header area offsets.
+* Valid only for enhanced skins implementation.
+*/
+enum TAknsSrvHeaderAreaOffsets
+{
+EAknsSrvItemDefAreaBaseOffset               = 0,
+EAknsSrvItemDefAreaAllocatedSizeOffset      = 1,
+EAknsSrvItemDefAreaCurrentSizeOffset        = 2,
+EAknsSrvDataAreaBaseOffset                  = 3,
+EAknsSrvDataAreaAllocatedSizeOffset         = 4,
+EAknsSrvDataAreaCurrentSizeOffset           = 5,
+EAknsSrvFilenameAreaBaseOffset              = 6,
+EAknsSrvFilenameAreaAllocatedSizeOffset     = 7,
+EAknsSrvFilenameAreaCurrentSizeOffset       = 8,
+EAknsSrvScalableGfxAreaBaseOffset           = 9,
+EAknsSrvScalableGfxAreaAllocatedSizeOffset  = 10,
+EAknsSrvScalableGfxAreaCurrentSizeOffset    = 11,
+EAknsSrvItemDefHashBaseOffset               = 12,
+EAknsSrvItemDefHashAllocatedSizeOffset      = 13,
+EAknsSrvItemDefHashCurrentSizeOffset        = 14
+};
+/**
+* Base area names.
+* Valid only for enhanced skins implementation.
+*/
+enum TAknsSrvBaseAreaName
+{
+EAknsSrvItemDefArea     = 0,
+EAknsSrvDataArea        = 1,
+EAknsSrvFilenameArea    = 2,
+EAknsSrvScalableGfxArea = 4,
+EAknsSrvItemDefHash     = 5
+};
+/**
+* Post operation types.
+* Valid only for enhanced skins implementation.
+*
+* @internal
+*/
+enum TAknsSrvCMPostOpType
+{
+EAknsSrvCMPOTTileX          = 0,
+EAknsSrvCMPOTTileY          = 1,
+EAknsSrvCMPOTTileToStretch  = 2
+};
+/**
+* Hash Table data structure.
+*/
+struct TAknsSrvHashTable
+{
+TInt iHead;
+};
+/**
+* Post operation data structure.
+* Valid only for enhanced skins implementation.
+*/
+struct TAknsSrvCMPostOp
+{
+public: // Data
+TAknsSrvCMPostOpType iType;
+TAknsItemID iIID;
+public:
+static TInt LinearOrder(
+const TAknsSrvCMPostOp& aFirst,
+const TAknsSrvCMPostOp& aSecond );
+};
+class MAknsSrvMorphingListener
+{
+public:
+virtual void MorhphingEventTimeout() = 0;
+};
+class CAknsSrvMorphingTimer : public CActive
+{
+public:
+static CAknsSrvMorphingTimer* NewL(MAknsSrvMorphingListener* aListener, TInt aInterval);
+void RunL();
+void DoCancel();
+void IssueRequest();
+~CAknsSrvMorphingTimer();
+protected:
+void ConstructL();
+CAknsSrvMorphingTimer(MAknsSrvMorphingListener* aListener, TInt aInterval);
+private:
+MAknsSrvMorphingListener* iListener;
+TInt iInterval;
+RTimer iTimer;
+};
+// FORWARD DECLARATIONS
+class CAknsSrvFileBuffer;
+class CAknsSrvBitmapStore;
+// CLASS DECLARATIONS
+/**
+* Internal class for maintaining the shared memory chunk in the skin server.
+*
+* @since 2.0
+*/
+NONSHARABLE_CLASS(CAknsSrvChunkMaintainer) : public CBase
+{
+public: // Construction and destruction
+/**
+* Default C++ constructor
+*/
+CAknsSrvChunkMaintainer(CAknsSrvBitmapStore* aBitmapStore);
+/**
+* Destructor.
+*/
+~CAknsSrvChunkMaintainer();
+public: // New methods
+/**
+* Reads normal skin (non ROM) definitions to the shared memory chunk.
+*
+* @since 2.0
+*
+* @param aUid Uid of the skin file to read
+*
+* @param aClass Which class should be merged.
+*
+* @param aClearChunk A boolean value to specify
+*        if to discard existing content in the shared
+*        chunk
+*
+* @param aExclQuery Exclusion query object.
+*/
+void MergeSkinDefinitionsL( const TPtrC& aFilename,
+const TAknsItemDefClass aClass, const TBool aClearChunk,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride,
+const TAknsPkgID& aPID );
+/**
+* Set the idle state wallpaper.
+*
+* @since 2.0
+*
+* @param aIID the item id of the idle wallpaper.
+* @param aFilename the filename of the wallpaper mbm-file(incl. path)
+* @param aIndex of the bitmap in the mbm file
+*/
+void SetWallpaper( const TAknsItemID& aIID,
+const TDesC& aFilename, TInt aIndex );
+/**
+* Blocks read acces to the shared memory chunk
+* maintained by this class.
+*
+* @since 2.0
+*/
+void BeginWrite();
+/**
+* Allows write acces to the shared memory chunk
+* maintained by this class.
+*
+* @since 2.0
+*/
+void EndWrite();
+/**
+*
+*/
+void ResetLevel();
+/**
+*
+*/
+void NextLevel();
+/**
+* Checks whether the given IID should be altered (i.e. is it in
+* the skin package internal number space or in exclusion list),
+* and modifies it accordingly.
+*
+* @since 2.0
+*
+* @param aIID Item ID to be checked and modified, if necessary.
+*
+* @param aExclQuery Exclusion query object.
+*/
+void CheckAndModifyIID( TAknsItemID& aIID,
+const TAknsSrvExclusionQuery& aExclQuery );
+private: // New methods
+/**
+* The actual merge function for normal (non ROM) skins.
+*
+* @since 2.0
+*
+* @param aFilename the skin file name
+* @param aClearChunk A boolean value to specify
+*        if to discard existing content in the shared
+*        chunk
+* @param aExclQuery Exclusion query object.
+* @param aAhOverride specifies if the data to be merged is
+*   A&H override.
+*
+* @par Exceptions:
+*    If merge operation fails, leaves with an error code.
+*/
+void MergeSkinDefinitionsUnprotectedL( const TDesC& aFilename,
+const TBool aClearChunk, const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride,
+const TAknsPkgID& aPID );
+/**
+* The merge function for (non ROM) skins.
+* Calls @c MergeSkinDefinitionsUnprotectedL to do the actual merge
+* to avoid fatal errors.
+*
+* @since 2.0
+*
+* @param aFile File buffer of the skin file to read from.
+* @param aOffset The file offset to read from .
+* @param aClass Which class should be merged.
+* @param aExclQuery Exclusion query object.
+* @param aAhOverride Specified if the skin file to be merged is an
+*   A&H variant.
+*
+* @par Exceptions:
+*    If merge fails, leaves with an error code.
+*/
+void DoMergeSkinDefinitionsL( CAknsSrvFileBuffer& file,
+const TUint aOffset, const TAknsItemDefClass aClass,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride );
+private: // New methods - Type-specific merging
+/**
+* Merge a single bitmap definition.
+*/
+void DoMergeBitmapDefinitionL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset, const TAknsItemDefClass aClass,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride );
+/**
+* Merge a single color table definition.
+*/
+void DoMergeColorTableDefinitionL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset, const TAknsItemDefClass aClass,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride );
+/**
+* Merge a single image table definition.
+*/
+void DoMergeImageTableDefinitionL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset, const TAknsItemDefClass aClass,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride );
+/**
+* Merge a single bitmap animation definition.
+*/
+void DoMergeBmpAnimDefinitionL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset, const TAknsItemDefClass aClass,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride );
+/**
+* Merge a single string definition.
+*/
+void DoMergeStringDefinitionL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset, const TAknsItemDefClass aClass,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride );
+private: // New methods - Chunk content utilities
+/**
+* Retrieves the index of an item definition in the table.
+*
+* @since 2.0
+*
+* @param aIID Item ID to be searched for.
+*
+* @return The index of the item definition, or -1 if not found.
+*/
+TInt FindDefIndex( const TAknsItemID& aIID );
+/**
+* Replaces or appends an item definition into the table located
+*   in the shared chunk. Also updates the data area.
+*
+* @since 2.0
+*
+* @param aDef Pointer to the item definition to be updated.
+*   No ownership is claimed.
+*
+* @param aData Definition data.
+*
+* @param aDataSize The size of the definition data.
+*/
+void UpdateDef( const TAknsSrvDef* aDef, const TAny* aData,
+const TInt aDataSize, const TInt aOldDataSize );
+/**
+* Replaces or appends data to the data area of the shared chunk.
+*
+* @since 2.0
+*
+* @param aData Pointer to the new content. No ownership is claimed.
+*   If @c NULL is given, only space is allocated.
+*
+* @param aDataSize Size of the new content.
+*
+* @param aOldData Pointer to the old content, or @c NULL.
+*
+* @param aOldDataSize Size of the old content.
+*
+* @return Offset of the new data location in the shared chunk.
+*/
+TInt UpdateData( const TAny* aData, const TInt aDataSize,
+TAny* aOldData = 0, const TInt aOldDataSize = 0 );
+void UpdateDefHash ( TAknsSrvDef* aDef );
+/**
+* Initializes the shared chunk header and clears the allocated memory
+*
+* @since 2.8
+*
+*/
+void InitializeChunk();
+/**
+* Aligns the given value by 4
+*
+* @since 2.8
+*
+* @param aValue the value to align
+*
+* @return the aligned value
+*/
+TInt AlignToFour(const TInt aValue);
+public: // New methods - Scalable version
+/**
+*
+* @since 2.8
+*/
+void StoreScalableGraphicsL( const TAknsItemID& aIID,
+const TInt aType, const TSize& aLayoutSize,
+TInt aBmpHandle, TInt aMskHandle, TBool aIsMorphing = EFalse);
+/**
+*
+* @since 2.8
+*/
+void ClearScalableGraphics(TAknsSrcScreenMode aMode);
+/**
+*
+* @since 3.0
+*/
+void ClearMorphedGraphics();
+void RemoveSingleScalableItem(const TAknsItemID& aIID );
+/**
+*
+* @since 3.0
+*/
+void CreateMorphingTimerL(MAknsSrvMorphingListener* aListener);
+void UpdateMorphingTime();
+private: // New methods - Scalable version
+/**
+*
+* @since 2.8
+*/
+void DoMergeEffectQueueL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset, const TAknsItemDefClass aClass,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride);
+/**
+* @return The total size of parameters, in bytes.
+*
+* @since 3.0
+*/
+TUint32 DoMergeParamsL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset,
+TUint32& aEqBase,
+RPointerArray<TUint8>& aParamArray,
+const TUint16 aParamCount );
+/**
+* @return The total size of param groups, in bytes.
+*
+* @since 3.0
+*/
+TUint32 DoMergeParamGroupsL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset,
+TUint32& aBase,
+RPointerArray<TUint8>& aGroupArray,
+const TUint16 aGroupCount );
+/**
+* @return The total size of effect commands, in bytes.
+*
+* @since 3.0
+*/
+TUint32 DoMergeEffectCommandsL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset,
+TUint32& aEqBase,
+RPointerArray<TUint8>& aEffectArray,
+const TUint16 aEffectCount );
+/**
+* @since 3.0
+*/
+void DoMergeAnimationL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset,
+const TAknsItemDefClass aClass,
+const TAknsSrvExclusionQuery& aExclQuery,
+const TBool aAhOverride );
+/**
+*
+* @since 2.8
+*/
+void UpdateFilename(TInt32 aFilenameID, TUint8* aFilenamePtr,
+TUint16 aFilenameLen,  const TDesC& aBaseFilename );
+/**
+*
+* @since 2.8
+*/
+TInt8* GetAreaBasePtr( TAknsSrvBaseAreaName aAreaname);
+/**
+*
+* @since 2.8
+*/
+TInt GetAreaAllocatedSize( TAknsSrvBaseAreaName aAreaname );
+/**
+*
+* @since 2.8
+*/
+TInt GetAreaCurrentSize( TAknsSrvBaseAreaName aAreaname );
+/**
+*
+* @since 2.8
+*/
+void AdjustAreaAllocatedSize(
+TAknsSrvBaseAreaName aAreaname, TInt aNewSize );
+/**
+*
+* @since 2.8
+*/
+void SetAreaCurrentSize(
+TAknsSrvBaseAreaName aAreaname, TInt aNewSize );
+/**
+*
+* @since 2.8
+*/
+TInt GetFilenameOffsetByID( TInt32 aID );
+/**
+*
+* @since 2.8
+*/
+TInt ProcessChunksL(CAknsSrvFileBuffer& aFile, TUint32 aFileOffset,
+TUint32 aChunkCount, const TDesC& aFilename,
+const TAknsSrvExclusionQuery& aExclQuery, const TBool aMirrored);
+/**
+*
+* @since 2.8
+*/
+TInt HandleFilenameChunkL(CAknsSrvFileBuffer& aFile,
+TUint32 aFileOffset, const TDesC& aFilename);
+/**
+*
+* @since 2.8
+*/
+TInt HandleClassChunkL(CAknsSrvFileBuffer& aFile, TUint32 aFileOffset,
+const TAknsSrvExclusionQuery& aExclQuery);
+/**
+*
+* @since 2.8
+*/
+TInt HandleLangOverrideChunkL(CAknsSrvFileBuffer& aFile,
+TUint32 aFileOffset);
+/**
+*
+* @since 2.8
+*/
+TInt HandleWallpaperChunkL(CAknsSrvFileBuffer& aFile,
+TUint32 aFileOffset);
+/**
+* Handles 2.6 release restriction chunk.
+*
+* @since 2.8
+*/
+TInt Handle26RelRestrictionChunkL(CAknsSrvFileBuffer& aFile,
+TUint32 aFileOffset, const TDesC& aFilename,
+const TAknsSrvExclusionQuery& aExclQuery, const TBool aMirrored);
+/**
+* Handles generic release restriction chunk.
+*
+* @since 2.8
+*/
+TInt HandleGenericRelRestrictionChunkL(CAknsSrvFileBuffer& aFile,
+TUint32 aFileOffset, const TDesC& aFilename,
+const TAknsSrvExclusionQuery& aExclQuery, const TBool aMirrored);
+/**
+*
+* @since 2.8
+*/
+TInt HandleLangRestrictionChunkL(CAknsSrvFileBuffer& aFile,
+TUint32 aFileOffset, const TDesC& aFilename,
+const TAknsSrvExclusionQuery& aExclQuery, const TBool aMirrored);
+/**
+*
+* @since 3.1
+*/
+TInt HandleInformationChunkL(CAknsSrvFileBuffer& aFile,
+TUint32 aFileOffset, const TDesC& aFilename);
+/**
+*
+* @since 2.8
+*/
+void EnqueuePostOperationL( const TAknsSrvCMPostOpType aType,
+const TAknsItemID aIID );
+/**
+* Executes post operations.
+*
+* @since 2.8
+*/
+void ExecutePostOperations();
+/**
+* Utility function for post operation execution.
+* Changes tiling attribute from generic to X/Y specific.
+*
+* @since 2.8
+*/
+void PostOpTile( TAknsSrvCMPostOp& op, TAknsSrvDef* itemDef );
+/**
+* Reads an attribute chunk.
+*
+* @since 2.8
+*/
+void ReadAttributeChunkL( CAknsSrvFileBuffer& aFile,
+const TUint aOffset, TInt& aAttributes, TInt& aAlignment,
+TInt& aCoordX, TInt& aCoordY, TInt& aSizeW, TInt& aSizeH );
+private: // Data
+RChunk iSharedChunk;
+RSemaphore iWaitSema;
+TInt iInternalSemaCount;
+TInt iMergingLevel;
+private: // Data - Scalable version
+RMutex iRenderMutex;
+TInt iCurrentFilenameID;
+TInt iFilenameCount;
+TInt iMorphingMinInterval;
+CAknsSrvMorphingTimer* iMorphingTimer;
+CAknsSrvBitmapStore* iBitmapStore;
+RArray<TAknsSrvCMPostOp> iPostOpArray;
+HBufC16* iBitmapPath;
+TUint iPlatformMajor;
+TUint iPlatformMinor;
+TBool iMergeS60Skin;
+};
+#endif // AKNSSRVCHUNKMAINTAINER_H
+// End of file.