camerauis/activepalette/Src/CActivePalettePluginBase.cpp
changeset 19 d9aefe59d544
parent 3 8b2d6d0384b0
child 21 fa6d9f75d6a6
child 28 3075d9b614e6
equal deleted inserted replaced
3:8b2d6d0384b0 19:d9aefe59d544
     1 /*
       
     2 * Copyright (c) 2007 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:  Active Palette Base plugin class*
       
    15 */
       
    16 
       
    17 
       
    18 /**
       
    19  * @file CActivePalettePluginBase.cpp
       
    20  * Active Palette Base plugin class
       
    21  */
       
    22 
       
    23 // INCLUDE FILES
       
    24 
       
    25 #include "CActivePalettePluginBase.h"
       
    26 #include "ActivePalette2Logger.h"
       
    27 
       
    28 #include "ActivePalette2Utils.h"
       
    29 
       
    30 #include <fbs.h>
       
    31 #include <bitstd.h>
       
    32 
       
    33 #include "ActivePalette2Cfg.h"
       
    34 
       
    35 
       
    36 // CONSTANTS
       
    37 
       
    38 const TInt KAnimPhase1 = 0;
       
    39 const TInt KAnimPhase2 = 1;
       
    40 const TInt KAnimPhaseMax = KAnimPhase2;
       
    41 const TInt KAnimNofPhases = 2;
       
    42 
       
    43 const TInt KAnimDeviatinFactorMul = 1;
       
    44 const TInt KAnimDeviatinFactorDiv = 5;
       
    45 
       
    46 
       
    47 // ================= MEMBER FUNCTIONS =======================
       
    48 
       
    49 // -----------------------------------------------------------------------------
       
    50 // CAnimationHelper::CAnimationHelper()
       
    51 // C++ constructor
       
    52 // -----------------------------------------------------------------------------
       
    53 //
       
    54 CAnimationHelper::CAnimationHelper()
       
    55     {
       
    56 	// empty
       
    57     }
       
    58 
       
    59 // -----------------------------------------------------------------------------
       
    60 // CAnimationHelper::ConstructL()
       
    61 // 2nd phase construction
       
    62 // -----------------------------------------------------------------------------
       
    63 //
       
    64 void CAnimationHelper::ConstructL(const TSize aSize, const TBool aMaskNeeded)
       
    65     {
       
    66 	ActivePalette2Utils::CreateDrawingObjectsL(aSize,&iFrame,&iFrameDevice,&iFrameGc);
       
    67 	if (aMaskNeeded)
       
    68 	    {
       
    69 		ActivePalette2Utils::CreateDrawingObjectsL(EGray256,
       
    70 			aSize,&iFrameMask,&iFrameMaskDevice,&iFrameMaskGc);		
       
    71 	    }
       
    72     }
       
    73 
       
    74 // -----------------------------------------------------------------------------
       
    75 // CAnimationHelper::~CAnimationHelper()
       
    76 // Destructor
       
    77 // -----------------------------------------------------------------------------
       
    78 //
       
    79 CAnimationHelper::~CAnimationHelper()
       
    80     {
       
    81     // DeleteDrawingObjects checks passed pointers to ensure they are not null
       
    82 	ActivePalette2Utils::DeleteDrawingObjects(&iFrame,&iFrameDevice,&iFrameGc);
       
    83 	ActivePalette2Utils::DeleteDrawingObjects(&iFrameMask,&iFrameMaskDevice,&iFrameMaskGc);
       
    84     }
       
    85 
       
    86 // -----------------------------------------------------------------------------
       
    87 // CAnimationHelper::NewL()
       
    88 // Symbian 2 phase construction
       
    89 // -----------------------------------------------------------------------------
       
    90 //
       
    91 CAnimationHelper * CAnimationHelper::NewL(const TSize aSize, const TBool aMaskNeeded)
       
    92     {
       
    93 	CAnimationHelper * self = new (ELeave) CAnimationHelper();
       
    94 	
       
    95 	CleanupStack::PushL(self);
       
    96 	self->ConstructL(aSize, aMaskNeeded);
       
    97 	CleanupStack::Pop(self);
       
    98 	
       
    99 	return self;
       
   100     }
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // NActivePalettePluginFactory::TPluginCreationParams::PluginObserver()
       
   104 // -----------------------------------------------------------------------------
       
   105 //
       
   106 EXPORT_C MActivePalettePluginObserver& NActivePalettePluginFactory::TPluginCreationParams::PluginObserver(void) const 
       
   107     { 
       
   108 	return iObserver; 
       
   109     }
       
   110 
       
   111 // -----------------------------------------------------------------------------
       
   112 // NActivePalettePluginFactory::TPluginCreationParams::Dimensions(void)
       
   113 // -----------------------------------------------------------------------------
       
   114 //
       
   115 EXPORT_C TSize NActivePalettePluginFactory::TPluginCreationParams::Dimensions(void) const
       
   116     {
       
   117 	return iDimensions;	
       
   118     }
       
   119 
       
   120 // -----------------------------------------------------------------------------
       
   121 // NActivePalettePluginFactory::TPluginCreationParams::TPluginCreationParams()
       
   122 // -----------------------------------------------------------------------------
       
   123 //
       
   124 EXPORT_C NActivePalettePluginFactory::TPluginCreationParams::TPluginCreationParams(MActivePalettePluginObserver & aObserver,
       
   125 						  												  const TSize& aDimensions)
       
   126 :   iObserver(aObserver),
       
   127     iDimensions(aDimensions)
       
   128     {
       
   129     }
       
   130 
       
   131 // -----------------------------------------------------------------------------
       
   132 // CActivePalettePluginBase::CActivePalettePluginBase()
       
   133 // C++ constructor
       
   134 // -----------------------------------------------------------------------------
       
   135 //
       
   136 EXPORT_C CActivePalettePluginBase::CActivePalettePluginBase(const NActivePalettePluginFactory::TPluginCreationParams & aCreationParams)
       
   137 :   iPluginObserver(aCreationParams.PluginObserver())
       
   138     {
       
   139 	LOGTEXT( _L( "CActivePalettePluginBase::CActivePalettePluginBase" ) );
       
   140 	PluginObserver().NotifyPluginCreated(this);
       
   141     }
       
   142 
       
   143 // -----------------------------------------------------------------------------
       
   144 // CActivePalettePluginBase::~CActivePalettePluginBase()
       
   145 // Destructor
       
   146 // -----------------------------------------------------------------------------
       
   147 //
       
   148 EXPORT_C CActivePalettePluginBase::~CActivePalettePluginBase(void)
       
   149     {
       
   150 	LOGTEXT( _L( "CActivePalettePluginBase::~CActivePalettePluginBase" ) );
       
   151 	CBase::Delete(iAnimationHelper);
       
   152 	iAnimationHelper = NULL;
       
   153 	PluginObserver().NotifyPluginDestroyed(this);
       
   154     }
       
   155 
       
   156 // -----------------------------------------------------------------------------
       
   157 // CActivePalettePluginBase::ConstructL()
       
   158 // 2nd phase constructor
       
   159 // -----------------------------------------------------------------------------
       
   160 //
       
   161 EXPORT_C void CActivePalettePluginBase::ConstructL(const NActivePalettePluginFactory::TPluginCreationParams& /*aCreationParams*/, 
       
   162 									               const TDesC8 & /*aCustomDataDes*/,
       
   163 									               const TInt /*aCustomDataInt*/)
       
   164     {
       
   165 	LOGTEXT( _L( "CActivePalettePluginBase::ConstructL" ) );
       
   166 	// empty
       
   167     }
       
   168 
       
   169 // -----------------------------------------------------------------------------
       
   170 // CActivePalettePluginBase::Shutdown()
       
   171 // -----------------------------------------------------------------------------
       
   172 //
       
   173 EXPORT_C void CActivePalettePluginBase::Shutdown(void)
       
   174     {
       
   175 	LOGTEXT( _L( "CActivePalettePluginBase::Shutdown" ) );
       
   176 	// empty
       
   177     }
       
   178 
       
   179 // -----------------------------------------------------------------------------
       
   180 // CActivePalettePluginBase::HandleMessageL()
       
   181 // -----------------------------------------------------------------------------
       
   182 //
       
   183 EXPORT_C void CActivePalettePluginBase::HandleMessageL(const TInt aMessageID,
       
   184                                                        const TDesC8& /*aDataDes*/,
       
   185                                                        const TInt /*aDataInt*/)
       
   186     {
       
   187 	LOGTEXT1( _L( "CActivePalettePluginBase::HandleMessageL, message ID: %d" ), aMessageID );
       
   188 	// empty
       
   189 	if (aMessageID)
       
   190 	    {
       
   191 	    // no compiler warning
       
   192 	    }
       
   193     }
       
   194 
       
   195 // -----------------------------------------------------------------------------
       
   196 // CActivePalettePluginBase::PrepareAniFramesL()
       
   197 // -----------------------------------------------------------------------------
       
   198 //
       
   199 EXPORT_C void CActivePalettePluginBase::PrepareAniFramesL(const TInt aAniType,
       
   200 									  					  TPluginAnimationInfo& aAniInfo,
       
   201 									  					  const TPluginAnimationInfo& aDefaultAniInfo,
       
   202 				 						  	   		      const CFbsBitmap& aItemIcon,
       
   203 							      		  			      const CFbsBitmap* aItemIconMask)
       
   204     {
       
   205 	LOGTEXT1( _L( "CActivePalettePluginBase::PrepareAniFramesL, AniType ID: %d" ), aAniType);
       
   206 	
       
   207 	// use default animation info
       
   208 	aAniInfo = aDefaultAniInfo; 
       
   209 	
       
   210 	// create data for icon and mask frames
       
   211 	iAnimationHelper = CAnimationHelper::NewL(aDefaultAniInfo.iFrameSize,
       
   212 											  (NULL != aItemIconMask));	
       
   213 
       
   214 	if (aAniType)
       
   215 	    {
       
   216 	    // no compiler warning
       
   217 	    }
       
   218 	if (aItemIcon.Handle())
       
   219 	    {
       
   220 	    // no compiler warning
       
   221 	    }
       
   222     }
       
   223 
       
   224 // -----------------------------------------------------------------------------
       
   225 // CActivePalettePluginBase::ReleaseAniFrames()
       
   226 // -----------------------------------------------------------------------------
       
   227 //
       
   228 EXPORT_C void CActivePalettePluginBase::ReleaseAniFrames(const TInt aAniType)
       
   229     {
       
   230 	LOGTEXT1( _L( "CActivePalettePluginBase::ReleaseAniFrames, AniType ID: %d" ), aAniType);
       
   231 
       
   232 	CBase::Delete(iAnimationHelper);
       
   233 	iAnimationHelper = NULL;
       
   234 
       
   235 	if (aAniType) 
       
   236 	    {
       
   237 	    // no compiler warning
       
   238 	    }
       
   239     }
       
   240 
       
   241 // -----------------------------------------------------------------------------
       
   242 // CActivePalettePluginBase::ProduceAniFrame(
       
   243 // -----------------------------------------------------------------------------
       
   244 //
       
   245 EXPORT_C void CActivePalettePluginBase::ProduceAniFrame(
       
   246     TInt aAniType,
       
   247     TInt aFrameNo,
       
   248     const TPluginAnimationInfo& aAniInfo,
       
   249     const CFbsBitmap& aItemIcon,
       
   250     const CFbsBitmap* aItemIconMask,
       
   251     CFbsBitmap** aFrame,
       
   252     CFbsBitmap** aFrameMask,
       
   253     TBool& aOwnershipTransferForFrame,
       
   254     TBool& aOwnershipTransferForMask)
       
   255     {
       
   256 	LOGTEXT2( 
       
   257 		_L( "CActivePalettePluginBase::ProduceAniFrame, AniType ID: %d, frame no : %d" ), 
       
   258 		aAniType,
       
   259 		aFrameNo);
       
   260 
       
   261 	CAnimationHelper* ani = static_cast<CAnimationHelper*>(iAnimationHelper);
       
   262 
       
   263 	aOwnershipTransferForFrame = EFalse;
       
   264 	aOwnershipTransferForMask  = EFalse;		
       
   265 	
       
   266 	*aFrame 		= ani->iFrame;
       
   267 	*aFrameMask 	= ani->iFrameMask;
       
   268 
       
   269 	// empty mask, transparent
       
   270 	if (NULL != ani->iFrameMaskGc)
       
   271 	    {		
       
   272 		ani->iFrameMaskGc->Reset();
       
   273 		ani->iFrameMaskGc->SetBrushColor(KRgbBlack);
       
   274 		ani->iFrameMaskGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
       
   275 		ani->iFrameMaskGc->Clear(); 
       
   276 	    }
       
   277 
       
   278 	// empty frame	
       
   279 	ani->iFrameGc->Reset();
       
   280 	ani->iFrameGc->SetBrushColor(KRgbWhite);
       
   281 	ani->iFrameGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
       
   282 	ani->iFrameGc->Clear(); 
       
   283 	
       
   284 	// ani frame
       
   285 	TInt phase = Min(KAnimPhaseMax, 
       
   286 					 KAnimNofPhases * aFrameNo / aAniInfo.iNofFrames);
       
   287 	
       
   288 	TInt inPhaseMax = aAniInfo.iNofFrames / KAnimNofPhases;
       
   289 	
       
   290 	TInt inPhaseOfs = Min(inPhaseMax, aFrameNo - (phase * KAnimPhaseMax));
       
   291 
       
   292 	TInt lenX = aAniInfo.iFrameSize.iWidth;
       
   293 	TInt lenY = aAniInfo.iFrameSize.iHeight;
       
   294 	
       
   295 	TInt devX = lenX * KAnimDeviatinFactorMul / KAnimDeviatinFactorDiv;
       
   296 	TInt devY = lenY * KAnimDeviatinFactorMul / KAnimDeviatinFactorDiv;
       
   297 	
       
   298 	TInt szx(0);
       
   299 	TInt szy(0);
       
   300 	
       
   301 	TInt addX = devX * inPhaseOfs / inPhaseMax;
       
   302 	TInt addY = devY * inPhaseOfs / inPhaseMax;
       
   303 	
       
   304 	switch (phase)
       
   305 	    {
       
   306 		case KAnimPhase1:
       
   307 			szx = lenX - addX;
       
   308 			szy = lenY - addY;
       
   309 			break;
       
   310 
       
   311 		case KAnimPhase2:
       
   312 		default:
       
   313 			szx = lenX - devX + addX;
       
   314 			szy = lenY - devY + addY;
       
   315 			break;
       
   316 	    }
       
   317 
       
   318 	TRect frameRect(TPoint( (lenX - szx) / 2, (lenY - szy) / 2),
       
   319 					TSize(szx, szy));
       
   320 	TRect iconRect(TPoint(0,0), aItemIcon.SizeInPixels());
       
   321 	
       
   322 	if (NULL != aItemIconMask && NULL != ani->iFrameMaskGc)
       
   323 	    {
       
   324 		ani->iFrameMaskGc->DrawBitmap(frameRect,aItemIconMask,iconRect);
       
   325 	    }
       
   326 	
       
   327 	ani->iFrameGc->DrawBitmap(frameRect,&aItemIcon,iconRect);		
       
   328 	
       
   329 	if (aAniType)
       
   330 	    {
       
   331 	    // no compiler warning
       
   332 	    }
       
   333     }
       
   334 
       
   335 // End of File