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// Copyright (c) 1995-2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <fntstore.h>
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#include <bitmap.h>
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#include "FBSVER.H"
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#include "SERVER.H"
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#include "BackGroundCompression.h"
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#include "linkedfonts.h"
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#include "BitwiseBitmap.inl"
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const TInt KFbsPriority = 0;
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const TInt KFbsGoomMonitorSid = 0x10207218;
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// Setup security policies
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const TInt KRanges[] =
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{
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0,
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EFbsMessShutdown,
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EFbsMessClose,
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EFbsSetSystemDefaultTypefaceName,
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EFbsGetAllBitmapHandles,
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EFbsMessUnused1,
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EFbsMessUnused2,
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EFbsMessRegisterLinkedTypeface,
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EFbsMessFetchLinkedTypeface,
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EFbsMessUpdateLinkedTypeface,
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EFbsMessGetFontTable,
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EFbsMessOogmNotification,
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EFbsMessGetGlyphCacheMetrics,
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};
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const TUint KRangeCount = sizeof(KRanges)/sizeof(TInt);
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const TUint8 KElementsIndex[KRangeCount] =
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{
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0,
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3, // For EFbsMessShutdown
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0,
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1, // For EFbsSetSystemDefaultTypefaceName
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2, // For EFbsGetAllBitmapHandles
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0, // ECapability_None for EFbsMessUnused1
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0, // ECapability_None for EFbsMessUnused2 and beyond
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1, // ECapabilityWriteDeviceData for EFbsMessRegisterLinkedTypeface
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2, // ECapabilityReadDeviceData for EFbsMessFetchLinkedTypeface
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1, // ECapabilityWriteDeviceData for EFbsMessUpdateLinkedTypeface
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0, // ECapability_None for EFbsMessGetFontTable and beyond
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4, // SID for EFbsMessOogmNotification.
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0, // For EFbsMessGetGlyphCacheMetrics and on.
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};
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const CPolicyServer::TPolicyElement KElements[] =
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{
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{_INIT_SECURITY_POLICY_C1(ECapability_None), CPolicyServer::EFailClient},
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{_INIT_SECURITY_POLICY_C1(ECapabilityWriteDeviceData), CPolicyServer::EFailClient},
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{_INIT_SECURITY_POLICY_C1(ECapabilityReadDeviceData), CPolicyServer::EFailClient},
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{_INIT_SECURITY_POLICY_C1(ECapabilityPowerMgmt), CPolicyServer::EFailClient},
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{_INIT_SECURITY_POLICY_S0(KFbsGoomMonitorSid), CPolicyServer::EFailClient}
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};
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const CPolicyServer::TPolicy KFbsPolicy =
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{
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CPolicyServer::EAlwaysPass, //specifies all connect attempts should pass
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KRangeCount,
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KRanges,
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KElementsIndex,
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KElements,
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};
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CFontBitmapServer::CFontBitmapServer():
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CPolicyServer(KFbsPriority, KFbsPolicy)
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{
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}
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CFontBitmapServer::~CFontBitmapServer()
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{
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delete iTopLevelStore;
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iTopLevelStore = NULL; // so that CFBClient::~CFbClient can avoid using this pointer;
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// it may be called inside CFontBitmapServer::~CFontBitmapServer
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}
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CFontBitmapServer* CFontBitmapServer::NewL()
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{
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CFontBitmapServer* self = new(ELeave) CFontBitmapServer;
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(); //self
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return self;
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}
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/**
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Two-phase constructor.
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*/
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void CFontBitmapServer::ConstructL()
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{
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iTopLevelStore=CFbTop::NewL();
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// If fbserv data paging is configured as unpaged, automatically pin client descriptors
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if(!RProcess().DefaultDataPaged())
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{
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SetPinClientDescriptors(ETrue);
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}
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StartL(KFBSERVGlobalThreadName);
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}
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CFbTop* CFontBitmapServer::TopLevelStore()
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{
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return(iTopLevelStore);
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}
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CSession2* CFontBitmapServer::NewSessionL(const TVersion& aVersion,const RMessage2& /*aMessage*/ ) const
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{
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TVersion v(KFbsMajorVersionNumber,KFbsMinorVersionNumber,KFbsBuildVersionNumber);
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if(!User::QueryVersionSupported(v,aVersion))
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User::Leave(KErrNotSupported);
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CSession2* pSession2 = CFbClient::NewL(iTopLevelStore->Heap());
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return pSession2;
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}
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TInt CFontBitmapServer::Init()
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{
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return(iConnectionId++);
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}
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TInt CFontBitmapServer::HandleMesgTypefaceSupport(const RMessage2& aMessage, TBool& aClientPanicRequired)
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{
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TTypefaceSupport tfi;
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TPckgBuf<TTypefaceSupport> ttipckg(tfi);
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TPckgBuf<TSize> pixelSize;
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TInt index=aMessage.Int0();
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TInt limit=iTopLevelStore->FontStore()->NumTypefaces();
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if(index < 0 || index > limit)
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{
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return KErrArgument;
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}
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TInt ret = aMessage.Read(2, pixelSize);
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if (ret != KErrNone)
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{
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return ret;
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}
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iTopLevelStore->FontStore()->iKPixelHeightInTwips = pixelSize().iHeight;
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iTopLevelStore->FontStore()->iKPixelWidthInTwips = pixelSize().iWidth;
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iTopLevelStore->FontStore()->TypefaceSupport(ttipckg(),index);
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ret = aMessage.Write(1,ttipckg);
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if(ret!=KErrNone)
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{
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aClientPanicRequired = ETrue;
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}
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return ret;
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}
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TInt CFontBitmapServer::HandleMesgFontHeight(const RMessage2& aMessage, TBool aInTwips)
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{
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TInt typefaceindex = aMessage.Int0();
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TInt fontsize = aMessage.Int1();
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if(typefaceindex < 0)
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{
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aMessage.Panic(KFBSERVPanicCategory,KErrArgument);
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return KErrArgument;
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}
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// pixel size (used to be set in a separate call)
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TPckgBuf<TSize> size;
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TInt ret = aMessage.Read(2, size);
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if (ret != KErrNone)
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{
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return ret;
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}
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if(size().iHeight <= 0 || size().iWidth < 0)
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{
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aMessage.Panic(KFBSERVPanicCategory,KErrArgument);
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return KErrArgument;
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}
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iTopLevelStore->FontStore()->iKPixelHeightInTwips = size().iHeight;
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iTopLevelStore->FontStore()->iKPixelWidthInTwips = size().iWidth;
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if (aInTwips)
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{
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return iTopLevelStore->FontStore()->FontHeightInTwips(typefaceindex,fontsize);
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}
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else
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{
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return iTopLevelStore->FontStore()->FontHeightInPixels(typefaceindex,fontsize);
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}
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}
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#ifdef _DEBUG
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//aRet is used in debug builds to allow the server to know if the call was successful.
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//On success there should be no panics from out of memory testing, since memory
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//may have been genuinely allocated.
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void CFontBitmapServer::ProcMessage(const RMessage2& aMessage, TInt aSession, TInt& aRet)
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#else
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void CFontBitmapServer::ProcMessage(const RMessage2& aMessage, TInt aSession)
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#endif
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{
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TInt ret=KErrNone;
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TBool clientPanicRequired = EFalse;
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#ifdef _DEBUG
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TInt num=0;
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#endif
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switch (aMessage.Function())
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{
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case EFbsMessShutdown:
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CActiveScheduler::Stop();
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break;
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case EFbsMessNumTypefaces:
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ret=iTopLevelStore->FontStore()->NumTypefaces();
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break;
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case EFbsMessTypefaceSupport:
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ret = HandleMesgTypefaceSupport(aMessage, clientPanicRequired);
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break;
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case EFbsMessFontHeightInTwips:
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ret = HandleMesgFontHeight(aMessage, ETrue);
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break;
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case EFbsMessFontHeightInPixels:
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ret = HandleMesgFontHeight(aMessage, EFalse);
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break;
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case EFbsMessSetPixelHeight:
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iTopLevelStore->FontStore()->iKPixelWidthInTwips=aMessage.Int0();
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iTopLevelStore->FontStore()->iKPixelHeightInTwips=aMessage.Int1();
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break;
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#ifdef _DEBUG
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case EFbsMessDefaultAllocFail:
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num=aMessage.Int0();
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if(num) __UHEAP_FAILNEXT(num);
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else __UHEAP_RESET;
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break;
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case EFbsMessDefaultMark:
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__UHEAP_MARK;
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break;
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case EFbsMessDefaultMarkEnd:
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num=aMessage.Int0();
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if(num) __UHEAP_MARKENDC(num);
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else __UHEAP_MARKEND;
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break;
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case EFbsMessUserAllocFail:
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num=aMessage.Int0();
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if(num) __RHEAP_FAILNEXT(iTopLevelStore->Heap(),num);
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else __RHEAP_RESET(iTopLevelStore->Heap());
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break;
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case EFbsMessUserMark:
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__RHEAP_MARK(iTopLevelStore->Heap());
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break;
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case EFbsMessUserMarkEnd:
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num=aMessage.Int0();
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if(num) __RHEAP_MARKENDC(iTopLevelStore->Heap(),num);
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else __RHEAP_MARKEND(iTopLevelStore->Heap());
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break;
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#endif
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case EFbsMessHeapCheck:
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iTopLevelStore->Heap()->Check();
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User::Heap().Check();
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break;
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case EFbsMessSetDefaultGlyphBitmapType:
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iTopLevelStore->FontStore()->SetDefaultBitmapType((TGlyphBitmapType)aMessage.Int0());
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break;
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case EFbsMessGetDefaultGlyphBitmapType:
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ret = iTopLevelStore->FontStore()->DefaultBitmapType();
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break;
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case EFbsMessFontNameAlias:
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TRAP(ret, iTopLevelStore->SetFontNameAliasL(aMessage));
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break;
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case EFbsMessGetHeapSizes:
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TRAP(ret, GetHeapSizesL(aMessage));
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break;
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case EFbsMessDefaultLanguageForMetrics:
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iTopLevelStore->SetDefaultLanguageForMetrics(aMessage);
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break;
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case EFbsCompress:
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iTopLevelStore->BackgroundCompression()->CompressAll();
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break;
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case EFbsMessRegisterLinkedTypeface:
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{
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TPckgBuf<TLinkedTypefaceSpecificationArgs> buf;
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ret=aMessage.Read(0,buf);
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if (ret==KErrNone)
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{
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//Id used by original font linking; now unused.
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TInt id;
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ret=iTopLevelStore->FontStore()->CreateLinkedTypeface(buf(),aSession,id);
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}
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}
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break;
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case EFbsMessFetchLinkedTypeface:
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{
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TBuf<KMaxTypefaceNameLength> name;
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ret = aMessage.GetDesLength(0);
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if (ret < 0)
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break;
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if (ret > KMaxTypefaceNameLength)
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{
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clientPanicRequired = ETrue;
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ret = KErrTooBig;
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break;
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}
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ret = aMessage.Read(0,name);
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TLinkedTypefaceSpecificationArgs spec;
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spec.iName = name;
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if (ret==KErrNone)
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{
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TRAP(ret, iTopLevelStore->FontStore()->GetLinkedTypefaceL(spec));
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if (ret == KErrNone)
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{
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TPckgBuf<TLinkedTypefaceSpecificationArgs> specArgs = spec;
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ret = aMessage.Write(2,specArgs);
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}
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|
333 |
}
|
sl@0
|
334 |
}
|
sl@0
|
335 |
break;
|
sl@0
|
336 |
case EFbsMessUpdateLinkedTypeface:
|
sl@0
|
337 |
{
|
sl@0
|
338 |
TPckgBuf<TLinkedTypefaceSpecificationArgs> buf;
|
sl@0
|
339 |
ret=aMessage.Read(0,buf);
|
sl@0
|
340 |
if (ret==KErrNone)
|
sl@0
|
341 |
{
|
sl@0
|
342 |
TRAP(ret, iTopLevelStore->FontStore()->UpdateLinkedTypefaceL(buf()));
|
sl@0
|
343 |
}
|
sl@0
|
344 |
}
|
sl@0
|
345 |
break;
|
sl@0
|
346 |
}
|
sl@0
|
347 |
|
sl@0
|
348 |
if (clientPanicRequired)
|
sl@0
|
349 |
{
|
sl@0
|
350 |
aMessage.Panic(KFBSERVPanicCategory,ret);
|
sl@0
|
351 |
}
|
sl@0
|
352 |
else
|
sl@0
|
353 |
{
|
sl@0
|
354 |
if(!aMessage.IsNull())
|
sl@0
|
355 |
{
|
sl@0
|
356 |
aMessage.Complete(ret);
|
sl@0
|
357 |
}
|
sl@0
|
358 |
}
|
sl@0
|
359 |
|
sl@0
|
360 |
#ifdef _DEBUG
|
sl@0
|
361 |
aRet=ret;
|
sl@0
|
362 |
#endif
|
sl@0
|
363 |
|
sl@0
|
364 |
}
|
sl@0
|
365 |
|
sl@0
|
366 |
/**
|
sl@0
|
367 |
Returns the current sizes of the FBServ default heap, the heap for large bitmaps,
|
sl@0
|
368 |
and the heap for small bitmaps.
|
sl@0
|
369 |
|
sl@0
|
370 |
Not supported in release builds.
|
sl@0
|
371 |
|
sl@0
|
372 |
@internalComponent
|
sl@0
|
373 |
@test
|
sl@0
|
374 |
@param aMessage Encapsulates references to integers supplied by the caller, which will on return contain the sizes of the default heap, heap for small bitmaps, and heap for large bitmaps.
|
sl@0
|
375 |
@leave KErrNotSupported when used in release mode.
|
sl@0
|
376 |
*/
|
sl@0
|
377 |
#ifdef _DEBUG
|
sl@0
|
378 |
void CFontBitmapServer::GetHeapSizesL(const RMessage2& aMessage)
|
sl@0
|
379 |
{
|
sl@0
|
380 |
TPckgBuf<THeapSizes> data;
|
sl@0
|
381 |
TInt defaultHeapSize = 0;
|
sl@0
|
382 |
TInt smallBmpHeapSize = 0;
|
sl@0
|
383 |
TInt bigBmpHeapSize = 0;
|
sl@0
|
384 |
|
sl@0
|
385 |
User::Heap().AllocSize(defaultHeapSize);
|
sl@0
|
386 |
bigBmpHeapSize = iTopLevelStore->iLargeBitmapChunk.Size();
|
sl@0
|
387 |
iTopLevelStore->Heap()->AllocSize(smallBmpHeapSize);
|
sl@0
|
388 |
|
sl@0
|
389 |
data().iDefault = defaultHeapSize;
|
sl@0
|
390 |
data().iBig = bigBmpHeapSize;
|
sl@0
|
391 |
data().iSmall = smallBmpHeapSize;
|
sl@0
|
392 |
|
sl@0
|
393 |
aMessage.WriteL(0, data);
|
sl@0
|
394 |
}
|
sl@0
|
395 |
#else
|
sl@0
|
396 |
void CFontBitmapServer::GetHeapSizesL(const RMessage2&)
|
sl@0
|
397 |
{
|
sl@0
|
398 |
User::Leave(KErrNotSupported);
|
sl@0
|
399 |
}
|
sl@0
|
400 |
#endif
|
sl@0
|
401 |
|
sl@0
|
402 |
|
sl@0
|
403 |
CFontObject::CFontObject(CFontStore* aFontStore, CGlyphAtlas* aGlyphAtlas):
|
sl@0
|
404 |
CObject(),
|
sl@0
|
405 |
iFontStore(aFontStore),
|
sl@0
|
406 |
iGlyphAtlas(aGlyphAtlas)
|
sl@0
|
407 |
{
|
sl@0
|
408 |
}
|
sl@0
|
409 |
|
sl@0
|
410 |
CFontObject::~CFontObject()
|
sl@0
|
411 |
{
|
sl@0
|
412 |
if (AccessCount()==1)
|
sl@0
|
413 |
{
|
sl@0
|
414 |
Dec();
|
sl@0
|
415 |
}
|
sl@0
|
416 |
iFontStore->ReleaseFont(iAddressPointer);
|
sl@0
|
417 |
if (iGlyphAtlas)
|
sl@0
|
418 |
{
|
sl@0
|
419 |
iGlyphAtlas->FontReleased(*iAddressPointer);
|
sl@0
|
420 |
}
|
sl@0
|
421 |
}
|
sl@0
|
422 |
|
sl@0
|
423 |
// CBitmapObject constructor - takes ownership of aBmp
|
sl@0
|
424 |
CBitmapObject::CBitmapObject(CFbTop& aFbTop, CBitwiseBitmap* aBmp):
|
sl@0
|
425 |
CObject(),
|
sl@0
|
426 |
iFbTop(&aFbTop),
|
sl@0
|
427 |
iAddressPointer(aBmp)
|
sl@0
|
428 |
{
|
sl@0
|
429 |
__ASSERT_DEBUG(iAddressPointer, User::Invariant());
|
sl@0
|
430 |
}
|
sl@0
|
431 |
|
sl@0
|
432 |
/** Second-phase constructor of reference counting objects for bitmaps.
|
sl@0
|
433 |
Adds the CBitmapObject to the bitmap object container and, if it is not a
|
sl@0
|
434 |
replacement for a dirty bitmap, assigns a server-wide handle to it and adds
|
sl@0
|
435 |
it to the server's bitmap index. When a replacement bitmap is attached to
|
sl@0
|
436 |
the corresponding dirty bitmap with a call to SetCleanBitmap(), then it is
|
sl@0
|
437 |
assigned the same server-wide handle as the bitmap to be replaced.
|
sl@0
|
438 |
|
sl@0
|
439 |
@param aReplacement If ETrue the bitmap is being created as a replacement
|
sl@0
|
440 |
for a bitmap being made dirty by a resize or compress operation.
|
sl@0
|
441 |
@internalComponent
|
sl@0
|
442 |
*/
|
sl@0
|
443 |
void CBitmapObject::ConstructL(TBool aReplacement)
|
sl@0
|
444 |
{
|
sl@0
|
445 |
iFbTop->iBitmapCon->AddL(this);
|
sl@0
|
446 |
if (!aReplacement)
|
sl@0
|
447 |
{
|
sl@0
|
448 |
iHandle = reinterpret_cast<TInt>(this);
|
sl@0
|
449 |
while (iFbTop->iBitmapObjectIndex.FindInOrder(this, Compare) != KErrNotFound)
|
sl@0
|
450 |
{
|
sl@0
|
451 |
++iHandle;
|
sl@0
|
452 |
}
|
sl@0
|
453 |
User::LeaveIfError(iFbTop->iBitmapObjectIndex.InsertInOrder(this, Compare));
|
sl@0
|
454 |
}
|
sl@0
|
455 |
}
|
sl@0
|
456 |
|
sl@0
|
457 |
void CleanupBitmapObject(TAny* aPtr)
|
sl@0
|
458 |
{
|
sl@0
|
459 |
CBitmapObject* ptr = static_cast<CBitmapObject*>(aPtr);
|
sl@0
|
460 |
ptr->Close();
|
sl@0
|
461 |
}
|
sl@0
|
462 |
|
sl@0
|
463 |
/** Create a reference counting object for a new bitmap.
|
sl@0
|
464 |
|
sl@0
|
465 |
@param aFbTop Reference to the CFbTop singleton.
|
sl@0
|
466 |
@param aBmp Bitmap to be attached to the new reference counting object.
|
sl@0
|
467 |
The bitmap must have been pushed on the clean-up stack and it will be
|
sl@0
|
468 |
popped out of the stack by this function. Ownership will be transferred
|
sl@0
|
469 |
to the reference counting object.
|
sl@0
|
470 |
@param aReplacement If ETrue the bitmap is being created as a replacement
|
sl@0
|
471 |
for a bitmap being made dirty by a resize or compress operation.
|
sl@0
|
472 |
@internalComponent
|
sl@0
|
473 |
*/
|
sl@0
|
474 |
CBitmapObject* CBitmapObject::NewL(CFbTop& aFbTop, CBitwiseBitmap* aBmp, TBool aReplacement)
|
sl@0
|
475 |
{
|
sl@0
|
476 |
CBitmapObject* bmpObj = new(ELeave) CBitmapObject(aFbTop, aBmp);
|
sl@0
|
477 |
CleanupStack::Pop(aBmp); // aBmp is owned now by bmpObj
|
sl@0
|
478 |
TCleanupItem bitmapObjectCleanupItem(CleanupBitmapObject, bmpObj);
|
sl@0
|
479 |
CleanupStack::PushL(bitmapObjectCleanupItem);
|
sl@0
|
480 |
bmpObj->ConstructL(aReplacement);
|
sl@0
|
481 |
CleanupStack::Pop(bmpObj);
|
sl@0
|
482 |
return bmpObj;
|
sl@0
|
483 |
}
|
sl@0
|
484 |
|
sl@0
|
485 |
CBitmapObject::~CBitmapObject()
|
sl@0
|
486 |
{
|
sl@0
|
487 |
iFbTop->BackgroundCompression()->RemoveFromCompressionQueue(this);
|
sl@0
|
488 |
// the associated clean bitmap object cannot possibly be now in the background compression queue
|
sl@0
|
489 |
if (iHandle)
|
sl@0
|
490 |
{
|
sl@0
|
491 |
if (Owner() == NULL)
|
sl@0
|
492 |
{
|
sl@0
|
493 |
TInt index = iFbTop->iBitmapObjectIndex.FindInOrder(this, Compare);
|
sl@0
|
494 |
if (index != KErrNotFound)
|
sl@0
|
495 |
{
|
sl@0
|
496 |
if (iCleanBitmap)
|
sl@0
|
497 |
{
|
sl@0
|
498 |
iFbTop->iBitmapObjectIndex[index] = iCleanBitmap;
|
sl@0
|
499 |
}
|
sl@0
|
500 |
else
|
sl@0
|
501 |
{
|
sl@0
|
502 |
iFbTop->iBitmapObjectIndex.Remove(index);
|
sl@0
|
503 |
}
|
sl@0
|
504 |
}
|
sl@0
|
505 |
}
|
sl@0
|
506 |
if (iCleanBitmap != NULL)
|
sl@0
|
507 |
{
|
sl@0
|
508 |
iCleanBitmap->SetOwner(NULL);
|
sl@0
|
509 |
iCleanBitmap->Close();
|
sl@0
|
510 |
}
|
sl@0
|
511 |
}
|
sl@0
|
512 |
delete iAddressPointer;
|
sl@0
|
513 |
}
|
sl@0
|
514 |
|
sl@0
|
515 |
void CBitmapObject::SetCleanBitmap(CBitmapObject* aNewBmpObj)
|
sl@0
|
516 |
{
|
sl@0
|
517 |
__ASSERT_DEBUG(iHandle, User::Invariant());
|
sl@0
|
518 |
__ASSERT_DEBUG(iCleanBitmap == NULL, User::Invariant());
|
sl@0
|
519 |
__ASSERT_DEBUG(aNewBmpObj->Owner() == NULL, User::Invariant());
|
sl@0
|
520 |
__ASSERT_DEBUG(aNewBmpObj->iHandle == 0, User::Invariant());
|
sl@0
|
521 |
__ASSERT_DEBUG(aNewBmpObj->iCleanBitmap == NULL, User::Invariant());
|
sl@0
|
522 |
iCleanBitmap = aNewBmpObj;
|
sl@0
|
523 |
aNewBmpObj->SetOwner(this);
|
sl@0
|
524 |
aNewBmpObj->iHandle = iHandle;
|
sl@0
|
525 |
iAddressPointer->iSettings.SetDirtyBitmap();
|
sl@0
|
526 |
aNewBmpObj->iAddressPointer->Extra()->iSerialNumber = iAddressPointer->Extra()->iSerialNumber;
|
sl@0
|
527 |
aNewBmpObj->iAddressPointer->Extra()->iTouchCount = iAddressPointer->Extra()->iTouchCount + 1;
|
sl@0
|
528 |
}
|
sl@0
|
529 |
|
sl@0
|
530 |
void CBitmapObject::Close()
|
sl@0
|
531 |
{
|
sl@0
|
532 |
if ((iCleanBitmap != NULL) && (Owner() != NULL) && (AccessCount() == 2))
|
sl@0
|
533 |
{
|
sl@0
|
534 |
static_cast<CBitmapObject*>(Owner())->iCleanBitmap = iCleanBitmap;
|
sl@0
|
535 |
iCleanBitmap->SetOwner(Owner());
|
sl@0
|
536 |
iHandle = 0;
|
sl@0
|
537 |
Dec();
|
sl@0
|
538 |
}
|
sl@0
|
539 |
CObject::Close();
|
sl@0
|
540 |
}
|
sl@0
|
541 |
|
sl@0
|
542 |
TInt CBitmapObject::Compare(const CBitmapObject& aBmpObj1, const CBitmapObject& aBmpObj2)
|
sl@0
|
543 |
{
|
sl@0
|
544 |
return aBmpObj1.iHandle - aBmpObj2.iHandle;
|
sl@0
|
545 |
}
|
sl@0
|
546 |
|
sl@0
|
547 |
TInt CBitmapObject::Compare(const TInt* aHandle, const CBitmapObject& aBmpObj)
|
sl@0
|
548 |
{
|
sl@0
|
549 |
return *aHandle - aBmpObj.iHandle;
|
sl@0
|
550 |
}
|
sl@0
|
551 |
|
sl@0
|
552 |
// CSharedBitmapObject constructor - takes ownership of aBmp and aKey
|
sl@0
|
553 |
CSharedBitmapObject::CSharedBitmapObject(CFbTop& aFbTop, CBitwiseBitmap* aBmp, TDesC* aKey):
|
sl@0
|
554 |
CBitmapObject(aFbTop, aBmp),
|
sl@0
|
555 |
iKey(aKey)
|
sl@0
|
556 |
{
|
sl@0
|
557 |
__ASSERT_DEBUG(iKey, User::Invariant());
|
sl@0
|
558 |
}
|
sl@0
|
559 |
|
sl@0
|
560 |
/** Second-phase constructor of reference counting objects for bitmaps
|
sl@0
|
561 |
loaded to share from a file. Adds the CSharedBitmapObject to the bitmap
|
sl@0
|
562 |
object container, assigns a server-wide handle to it and adds it to the
|
sl@0
|
563 |
server's bitmap index and to the server's shared bitmap hash map.
|
sl@0
|
564 |
|
sl@0
|
565 |
@param aHash Hash value of the key associated with the bitmap.
|
sl@0
|
566 |
@internalComponent
|
sl@0
|
567 |
*/
|
sl@0
|
568 |
void CSharedBitmapObject::ConstructL(TUint aHash)
|
sl@0
|
569 |
{
|
sl@0
|
570 |
CBitmapObject::ConstructL(EFalse);
|
sl@0
|
571 |
iFbTop->iSharedBitmapObjectHashMap.Insert(*this, aHash);
|
sl@0
|
572 |
}
|
sl@0
|
573 |
|
sl@0
|
574 |
/** Create a reference counting object for a bitmap loaded to share from a file.
|
sl@0
|
575 |
|
sl@0
|
576 |
@param aFbTop Reference to the CFbTop singleton.
|
sl@0
|
577 |
@param aBmp Bitmap to be attached to the new reference counting object.
|
sl@0
|
578 |
The bitmap must have been pushed on the clean-up stack and it will be
|
sl@0
|
579 |
popped out of the stack by this function. Ownership will be transferred
|
sl@0
|
580 |
to the reference counting object.
|
sl@0
|
581 |
@param aKey Key associated with the bitmap. The key must have been pushed on
|
sl@0
|
582 |
the clean-up stack and it will be popped out of the stack by this function.
|
sl@0
|
583 |
Ownership will be transferred to the reference counting object.
|
sl@0
|
584 |
@param aHash Hash value of the key associated with the bitmap.
|
sl@0
|
585 |
@internalComponent
|
sl@0
|
586 |
*/
|
sl@0
|
587 |
CSharedBitmapObject* CSharedBitmapObject::NewL(CFbTop& aFbTop, CBitwiseBitmap* aBmp, TDesC* aKey, TUint aHash)
|
sl@0
|
588 |
{
|
sl@0
|
589 |
CSharedBitmapObject* bmpObj = new(ELeave) CSharedBitmapObject(aFbTop, aBmp, aKey);
|
sl@0
|
590 |
CleanupStack::Pop(2, aKey); // aBmp and aKey are owned now by bmpObj
|
sl@0
|
591 |
TCleanupItem bitmapObjectCleanupItem(CleanupBitmapObject, bmpObj);
|
sl@0
|
592 |
CleanupStack::PushL(bitmapObjectCleanupItem);
|
sl@0
|
593 |
bmpObj->ConstructL(aHash);
|
sl@0
|
594 |
CleanupStack::Pop(bmpObj);
|
sl@0
|
595 |
return bmpObj;
|
sl@0
|
596 |
}
|
sl@0
|
597 |
|
sl@0
|
598 |
CSharedBitmapObject::~CSharedBitmapObject()
|
sl@0
|
599 |
{
|
sl@0
|
600 |
iFbTop->iSharedBitmapObjectHashMap.Remove(*this);
|
sl@0
|
601 |
delete iKey;
|
sl@0
|
602 |
}
|
sl@0
|
603 |
|
sl@0
|
604 |
// Constructs a single key object from constituent parts that uniquely identify a bitmap
|
sl@0
|
605 |
HBufC* CSharedBitmapObject::KeyLC(const TDesC& aFileName, TInt aId, const TTime& aModTime)
|
sl@0
|
606 |
{
|
sl@0
|
607 |
static const TInt K16BitSizeOfTInt = sizeof(TInt) /sizeof(TUint16);
|
sl@0
|
608 |
static const TInt K16BitSizeOfTTime = sizeof(TTime)/sizeof(TUint16);
|
sl@0
|
609 |
|
sl@0
|
610 |
HBufC* key = HBufC::NewLC(K16BitSizeOfTInt + K16BitSizeOfTTime + aFileName.Length());
|
sl@0
|
611 |
|
sl@0
|
612 |
TPtr keyPtr = key->Des();
|
sl@0
|
613 |
|
sl@0
|
614 |
keyPtr.Append(reinterpret_cast<const TUint16*>(&aId), K16BitSizeOfTInt);
|
sl@0
|
615 |
keyPtr.Append(reinterpret_cast<const TUint16*>(&aModTime), K16BitSizeOfTTime);
|
sl@0
|
616 |
keyPtr.Append(aFileName);
|
sl@0
|
617 |
|
sl@0
|
618 |
return key;
|
sl@0
|
619 |
}
|