uifw/AvKon/src/AknLayoutConfig.cpp
changeset 0 2f259fa3e83a
child 18 0aa5fbdfbc30
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-1:000000000000 0:2f259fa3e83a
       
     1 /*
       
     2 * Copyright (c) 2005 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:  Layout configuration data retrieval and access
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "AknLayoutConfig.h"
       
    20 #include <eikenv.h>
       
    21 #include <AknPanic.h>
       
    22 #include <aknpriv.rsg>
       
    23 #include <barsread.h>
       
    24 #include <barsc2.h>
       
    25 #include "AknLib.h"
       
    26 #include <AknLayoutConsts.h>
       
    27 #include "AknLayoutConfigInternal.h"
       
    28 #include <CdlTypes.h>
       
    29 #include <AknCapServerClient.h>
       
    30 
       
    31 NONSHARABLE_CLASS(CAknLayoutConfigWsiniParser) : public CBase
       
    32 	{
       
    33 public:
       
    34 	static void GetConfigL(SAknLayoutConfig& aConfig, 
       
    35 						   RArray<SAknScreenModeInfo>& aScreenInfoArray, 
       
    36 						   RArray<SHardwareStateInfo>& aHardwareStateArray);
       
    37 
       
    38 private:
       
    39 	CAknLayoutConfigWsiniParser(SAknLayoutConfig& aConfig, 
       
    40 								RArray<SAknScreenModeInfo>& aScreenInfoArray, 
       
    41 								RArray<SHardwareStateInfo>& aHardwareStateArray);
       
    42 	~CAknLayoutConfigWsiniParser();
       
    43 	void GetConfigL();
       
    44 	HBufC* GetWsiniLC();
       
    45 	void ParseWsiniL(const TDesC& aWsini);
       
    46 	void ParseLineL(const TText* aKwStart, const TText* aKwEnd, const TText* aLineEnd);
       
    47 
       
    48 	SHardwareStateInfo& HardwareStateL(TInt aStateNumber);
       
    49 	SAknScreenModeInfo& ScreenModeL(TInt aScreenMode);
       
    50 	TInt ParseIntL(TPtrC& aLine);
       
    51 	TInt ParseKeycodeL(TPtrC& aLine);
       
    52 	TAknPrivSoftkeyLocation ParseSoftkeyLocationL(TPtrC& aLine);
       
    53 	TInt ScreenStyleHash(TPtrC& aLine);
       
    54 
       
    55 private:
       
    56 #define WSINI_PARSE_FUNC(name) static void Call##name(CAknLayoutConfigWsiniParser* aSelf, TPtrC& aLine) { aSelf->name(aLine); } void name(TPtrC& aLine);
       
    57 	WSINI_PARSE_FUNC(HardwareStateKeycodeL)
       
    58 	WSINI_PARSE_FUNC(HardwareStateScreenModeL)
       
    59 	WSINI_PARSE_FUNC(HardwareStateAltScreenModeL)
       
    60 	WSINI_PARSE_FUNC(ScreenModeSoftkeyLocationL)
       
    61 	WSINI_PARSE_FUNC(ScreenModeStyleNameL)
       
    62 
       
    63 private:
       
    64 	struct SParseEntry
       
    65 		{
       
    66 		const TText16* iKeyword;
       
    67 		TInt iKeywordLen;
       
    68 		void (*iFunc)(CAknLayoutConfigWsiniParser* aSelf, TPtrC& aLine);
       
    69 		};
       
    70 	static const SParseEntry iParseTable[];
       
    71 
       
    72 private:
       
    73 	SAknLayoutConfig& iConfig;
       
    74 	RArray<SAknScreenModeInfo>& iScreenInfoArray;
       
    75 	RArray<SHardwareStateInfo>& iHardwareStateArray;
       
    76 	};
       
    77 
       
    78 //
       
    79 // CAknLayoutConfig::TScreenMode
       
    80 //
       
    81 EXPORT_C const TPixelsTwipsAndRotation& CAknLayoutConfig::TScreenMode::PixelsTwipsAndRotation() const
       
    82 	{
       
    83 	return iInfo.iPixelsTwipsAndRotation;
       
    84 	}
       
    85 
       
    86 CAknLayoutConfig::TScreenMode::TScreenMode(const SAknScreenModeInfo& aInfo)
       
    87 : TAknScreenMode(aInfo)
       
    88 	{
       
    89 	}
       
    90 
       
    91 EXPORT_C TAknPrivSoftkeyLocation CAknLayoutConfig::TScreenMode::SoftkeyLocation() const
       
    92 	{
       
    93 	return iInfo.iSoftkeyLocation;
       
    94 	}
       
    95 
       
    96 EXPORT_C TInt CAknLayoutConfig::TScreenMode::ScreenStyleHash() const
       
    97 	{
       
    98 	return iInfo.iScreenStyleHash;
       
    99 	}
       
   100 
       
   101 
       
   102 //
       
   103 // CAknLayoutConfig::TScreenModeArray
       
   104 //
       
   105 EXPORT_C CAknLayoutConfig::TScreenMode CAknLayoutConfig::TScreenModeArray::At(TInt aIndex) const
       
   106 	{
       
   107 	__ASSERT_ALWAYS(0 <= aIndex && aIndex < iInfo.iNumScreenModes, Panic(EAknPanicLayoutConfigBadScreenModeIndex));
       
   108 	return TScreenMode(iInfo.iScreenModes[aIndex]);
       
   109 	}
       
   110 
       
   111 EXPORT_C CAknLayoutConfig::TScreenMode CAknLayoutConfig::TScreenModeArray::Find(TInt aModeNumber) const
       
   112 	{
       
   113 	for (TInt ii=0; ii<iInfo.iNumScreenModes; ii++)
       
   114 		{
       
   115 		if (iInfo.iScreenModes[ii].iModeNumber == aModeNumber)
       
   116 			return TScreenMode(iInfo.iScreenModes[ii]);
       
   117 		}
       
   118 	return TScreenMode(iInfo.iScreenModes[0]);
       
   119 	}
       
   120 
       
   121 CAknLayoutConfig::TScreenModeArray::TScreenModeArray(const SAknLayoutConfig& aInfo)
       
   122 : TAknScreenModes(aInfo)
       
   123 	{
       
   124 	}
       
   125 
       
   126 
       
   127 //
       
   128 // CAknLayoutConfig::THardwareState
       
   129 //
       
   130 EXPORT_C TInt CAknLayoutConfig::THardwareState::StateNumber() const
       
   131 	{
       
   132 	return iInfo.iStateNum;
       
   133 	}
       
   134 
       
   135 EXPORT_C TInt CAknLayoutConfig::THardwareState::KeyCode() const
       
   136 	{
       
   137 	return iInfo.iKeyCode;
       
   138 	}
       
   139 
       
   140 EXPORT_C TInt CAknLayoutConfig::THardwareState::ScreenMode() const
       
   141 	{
       
   142 	return iInfo.iScreenMode;
       
   143 	}
       
   144 
       
   145 EXPORT_C TInt CAknLayoutConfig::THardwareState::AlternateScreenMode() const
       
   146 	{
       
   147 	return iInfo.iAltScreenMode;
       
   148 	}
       
   149 
       
   150 CAknLayoutConfig::THardwareState::THardwareState(const SHardwareStateInfo& aInfo)
       
   151 : iInfo(aInfo)
       
   152 	{
       
   153 	}
       
   154 
       
   155 
       
   156 //
       
   157 // CAknLayoutConfig::THardwareStateArray
       
   158 //
       
   159 EXPORT_C TInt CAknLayoutConfig::THardwareStateArray::Count() const
       
   160 	{
       
   161 	return iInfo.iNumHardwareStates;
       
   162 	}
       
   163 
       
   164 EXPORT_C CAknLayoutConfig::THardwareState CAknLayoutConfig::THardwareStateArray::At(TInt aIndex) const
       
   165 	{
       
   166 	__ASSERT_ALWAYS(0 <= aIndex && aIndex < iInfo.iNumHardwareStates, Panic(EAknPanicLayoutConfigBadHardwareStateIndex));
       
   167 	return THardwareState(iInfo.iHardwareStates[aIndex]);
       
   168 	}
       
   169 
       
   170 EXPORT_C CAknLayoutConfig::THardwareState CAknLayoutConfig::THardwareStateArray::Find(TInt aStateNumber) const
       
   171 	{
       
   172 	for (TInt ii=0; ii<iInfo.iNumHardwareStates; ii++)
       
   173 		{
       
   174 		if (iInfo.iHardwareStates[ii].iStateNum == aStateNumber)
       
   175 			return THardwareState(iInfo.iHardwareStates[ii]);
       
   176 		}
       
   177 	return THardwareState(iInfo.iHardwareStates[0]);
       
   178 	}
       
   179 
       
   180 CAknLayoutConfig::THardwareStateArray::THardwareStateArray(const SAknLayoutConfig& aInfo)
       
   181 : iInfo(aInfo)
       
   182 	{
       
   183 	}
       
   184 
       
   185 
       
   186 //
       
   187 // CAknLayoutConfig
       
   188 //
       
   189 EXPORT_C CAknLayoutConfig::TScreenModeArray CAknLayoutConfig::ScreenModes() const
       
   190 	{
       
   191 	return TScreenModeArray(*iData);
       
   192 	}
       
   193 
       
   194 EXPORT_C CAknLayoutConfig::THardwareStateArray CAknLayoutConfig::HardwareStates() const
       
   195 	{
       
   196 	return THardwareStateArray(*iData);
       
   197 	}
       
   198 
       
   199 CAknLayoutConfig::CAknLayoutConfig()
       
   200 	{
       
   201 	}
       
   202 
       
   203 CAknLayoutConfig::~CAknLayoutConfig()
       
   204 	{
       
   205 	delete iBuf;
       
   206 	}
       
   207 
       
   208 EXPORT_C CAknLayoutConfig* CAknLayoutConfig::NewL()
       
   209 	{
       
   210 	CAknLayoutConfig* self = new(ELeave) CAknLayoutConfig;
       
   211 	CleanupStack::PushL(self);
       
   212 
       
   213 	RAknUiServer aknUiServer;
       
   214 	CleanupClosePushL(aknUiServer);
       
   215 	User::LeaveIfError(aknUiServer.Connect());
       
   216 	HBufC8* configBuf = aknUiServer.GetPackedConfigL();
       
   217 	CleanupStack::PopAndDestroy(&aknUiServer);
       
   218 
       
   219 	// ownership of configBuf immediately transferred to self
       
   220 	self->ConstructL(configBuf);
       
   221 	CleanupStack::Pop(self);
       
   222 	return self;
       
   223 	}
       
   224 
       
   225 #define UNPACK_CHECK(b) __ASSERT_ALWAYS(b, Panic(EAknPanicLayoutConfigUnpackFail))
       
   226 
       
   227 void CAknLayoutConfig::ConstructL(HBufC8* aBuf)
       
   228 	{
       
   229 	iBuf = aBuf;
       
   230 	
       
   231 	// unpack & validate data
       
   232 	TInt size = iBuf->Size();
       
   233 	// basic structure
       
   234 	UNPACK_CHECK(size >= sizeof(SAknLayoutConfig));
       
   235 	iData = (SAknLayoutConfig*)iBuf->Ptr();
       
   236 
       
   237 	// check total size
       
   238 	UNPACK_CHECK(
       
   239 		size == 
       
   240 		(
       
   241 			sizeof(SAknLayoutConfig) + 
       
   242 			(iData->iNumScreenModes * sizeof(SAknScreenModeInfo)) +
       
   243 			(iData->iNumHardwareStates * sizeof(SHardwareStateInfo))
       
   244 		));
       
   245 
       
   246 	// check and unpack screen modes, iScreenModes is an offset before unpacking
       
   247 	UNPACK_CHECK((TUint32)iData->iScreenModes == sizeof(SAknLayoutConfig));
       
   248 	iData->iScreenModes = (SAknScreenModeInfo*)((TUint8*)iData + (TUint32)iData->iScreenModes);
       
   249 	
       
   250 	// check iNumScreenModes (we've already checked it fits in size)
       
   251 	UNPACK_CHECK(iData->iNumScreenModes >= 0);
       
   252 
       
   253 	// check and unpack hardware states, iHardwareStates is an offset before unpacking
       
   254 	UNPACK_CHECK((TUint32)iData->iHardwareStates == (sizeof(SAknLayoutConfig) + sizeof(SAknScreenModeInfo)*iData->iNumScreenModes));
       
   255 	iData->iHardwareStates = (SHardwareStateInfo*)((TUint8*)iData + (TUint32)iData->iHardwareStates);
       
   256 
       
   257 	// check iNumHardwareStates (we've already checked it fits in size)
       
   258 	UNPACK_CHECK(iData->iNumHardwareStates >= 0);
       
   259 	}
       
   260 
       
   261 HBufC8* CAknLayoutConfig::CreatePackedBufL()
       
   262 	{
       
   263 	// set up structures to collect the config info
       
   264 	SAknLayoutConfig config = { 0, NULL, 0, NULL };
       
   265 	
       
   266 	RArray<SAknScreenModeInfo> screenInfoArray;
       
   267 	CleanupClosePushL(screenInfoArray);
       
   268 	
       
   269 	RArray<SHardwareStateInfo> hardwareStateArray;
       
   270 	CleanupClosePushL(hardwareStateArray);
       
   271 
       
   272 	// get the config info
       
   273 	TRAP_IGNORE(GetConfigL(config, screenInfoArray, hardwareStateArray));
       
   274 	
       
   275 	// calculate how much space is needed for the config info
       
   276 	TInt screenModesSize = sizeof(SAknScreenModeInfo) * screenInfoArray.Count();
       
   277 	TInt hardwareStatesSize = sizeof(SHardwareStateInfo) * hardwareStateArray.Count();
       
   278 	TInt bufSize = sizeof(SAknLayoutConfig) + screenModesSize + hardwareStatesSize;
       
   279 	
       
   280 	// create the buffer space
       
   281 	HBufC8* buf = HBufC8::NewLC(bufSize);
       
   282 	TPtr8 des(buf->Des());
       
   283 	
       
   284 	// pack the info for transport
       
   285 	config.iScreenModes = (SAknScreenModeInfo*)sizeof(SAknLayoutConfig);
       
   286 	config.iHardwareStates = (SHardwareStateInfo*)(sizeof(SAknLayoutConfig) + screenModesSize);
       
   287 	
       
   288 	// put the info into the buffer
       
   289 	des.Append(TPckgC<SAknLayoutConfig>(config));
       
   290 	if (screenModesSize)
       
   291 		des.Append(TPtrC8((TText8*)&screenInfoArray[0], screenModesSize));
       
   292 	if (hardwareStatesSize)
       
   293 		des.Append(TPtrC8((TText8*)&hardwareStateArray[0], hardwareStatesSize));
       
   294 	
       
   295 	// tidy up and return
       
   296 	CleanupStack::Pop(buf);
       
   297 	CleanupStack::PopAndDestroy(2); // hardwareStateArray and screenInfoArray
       
   298 	
       
   299 	return buf;
       
   300 	}
       
   301 
       
   302 #ifdef _DEBUG
       
   303 void DebugLayoutConfigLeaves(TAny*)
       
   304 	{
       
   305 	User::Panic(_L("LayoutConfigLeave"), 0);
       
   306 	}
       
   307 #endif
       
   308 
       
   309 void CAknLayoutConfig::GetConfigL(SAknLayoutConfig& aConfig, 
       
   310 								  RArray<SAknScreenModeInfo>& aScreenInfoArray, 
       
   311 								  RArray<SHardwareStateInfo>& aHardwareStateArray)
       
   312 	{
       
   313 #ifdef _DEBUG
       
   314 	CleanupStack::PushL(TCleanupItem(DebugLayoutConfigLeaves, 0));
       
   315 #endif
       
   316 
       
   317 	CEikonEnv* eikonEnv = CEikonEnv::Static();
       
   318 	CResourceFile* resFile = CResourceFile::NewLC(eikonEnv->FsSession(), CAknLibrary::PrivateResourceFile(), 0, 0);
       
   319 	resFile->ConfirmSignatureL();
       
   320 	
       
   321 	TAknPrivSoftkeyLocation landscapeSofkey = GetLandscapeSoftkeyLocationFromAknPrivL(resFile);
       
   322 	GetScreenModesFromWservL(aConfig, aScreenInfoArray, landscapeSofkey);
       
   323 
       
   324 	CAknLayoutConfigWsiniParser::GetConfigL(aConfig, aScreenInfoArray, aHardwareStateArray);
       
   325 	if (aHardwareStateArray.Count() == 0)
       
   326 		{
       
   327 		// got no info from wsini, so look up AknPriv
       
   328 		GetScreenMapFromAknPrivL(resFile, aScreenInfoArray, aHardwareStateArray);
       
   329 		GetKeyMapFromAknPrivL(resFile, aHardwareStateArray);
       
   330 		}
       
   331 	aConfig.iNumHardwareStates = aHardwareStateArray.Count();
       
   332 
       
   333 	CleanupStack::PopAndDestroy(resFile);
       
   334 	
       
   335 #ifdef _DEBUG
       
   336 	CleanupStack::Pop(); 	// TCleanupItem(DebugLayoutConfigLeaves, 0)
       
   337 #endif
       
   338 	}
       
   339 
       
   340 void CAknLayoutConfig::GetScreenMapFromAknPrivL(CResourceFile* aResFile,
       
   341 												RArray<SAknScreenModeInfo>& aScreenInfoArray, 
       
   342 											    RArray<SHardwareStateInfo>& aHardwareStateArray)
       
   343 	{
       
   344 	// get state screen map
       
   345 #if defined(__WINS__)
       
   346     TInt screenMapResource = R_AKNPRIV_HARDWARE_STATE_SCREEN_MAP_EMUL;
       
   347 #else
       
   348     TInt screenMapResource = R_AKNPRIV_HARDWARE_STATE_SCREEN_MAP;
       
   349 #endif
       
   350 
       
   351 	// open the resource table for the hardware state <-> screen map
       
   352 	TResourceReader reader;
       
   353 	reader.SetBuffer(aResFile->AllocReadLC(screenMapResource));
       
   354 
       
   355 	// Read the entires
       
   356 	TInt numScreenModes = aScreenInfoArray.Count();
       
   357 	TInt count = reader.ReadInt16();
       
   358 	aHardwareStateArray.ReserveL(count);
       
   359 	for (TInt ii=0; ii<count; ii++)
       
   360 		{
       
   361 		SHardwareStateInfo hwInfo;
       
   362 		Mem::FillZ(&hwInfo, sizeof(hwInfo));
       
   363 		
       
   364 		hwInfo.iStateNum = reader.ReadInt16();
       
   365 		
       
   366 		TInt width = reader.ReadInt16();
       
   367 		TInt height = reader.ReadInt16();
       
   368 		TSize size(width, height);
       
   369 		CFbsBitGc::TGraphicsOrientation rotation = static_cast<CFbsBitGc::TGraphicsOrientation>(reader.ReadInt16());
       
   370 		CFbsBitGc::TGraphicsOrientation altRotation = static_cast<CFbsBitGc::TGraphicsOrientation>(reader.ReadInt16());
       
   371 		TSize altSize(height, width);
       
   372 		if ((rotation % CFbsBitGc::EGraphicsOrientationRotated180) == 
       
   373 			(altRotation % CFbsBitGc::EGraphicsOrientationRotated180))
       
   374 			altSize = size;
       
   375 		
       
   376 		// find a matching screen number
       
   377 		for (TInt jj=0; jj<numScreenModes; jj++)
       
   378 			{
       
   379 			SAknScreenModeInfo& screenMode = aScreenInfoArray[jj];
       
   380 			if (screenMode.iPixelsTwipsAndRotation.iPixelSize == size && screenMode.iPixelsTwipsAndRotation.iRotation == rotation)
       
   381 				hwInfo.iScreenMode = screenMode.iModeNumber;
       
   382 			if (screenMode.iPixelsTwipsAndRotation.iPixelSize == altSize && screenMode.iPixelsTwipsAndRotation.iRotation == altRotation)
       
   383 				hwInfo.iAltScreenMode = screenMode.iModeNumber;
       
   384 			}
       
   385 			
       
   386 		aHardwareStateArray.AppendL(hwInfo);
       
   387 		}
       
   388 
       
   389 	CleanupStack::PopAndDestroy(); // reader's HBufC
       
   390 	}
       
   391 	
       
   392 void CAknLayoutConfig::GetKeyMapFromAknPrivL(CResourceFile* aResFile,
       
   393 											 RArray<SHardwareStateInfo>& aHardwareStateArray)
       
   394 	{
       
   395 	// get the state key map
       
   396 #if defined(__WINS__)
       
   397     TInt hwMapResource = R_AKNPRIV_HARDWARE_STATE_KEY_MAP_EMUL;
       
   398 #else
       
   399     TInt hwMapResource = R_AKNPRIV_HARDWARE_STATE_KEY_MAP;
       
   400 #endif
       
   401 
       
   402 	TResourceReader reader;
       
   403 	reader.SetBuffer(aResFile->AllocReadLC(hwMapResource));
       
   404 
       
   405     TInt count = reader.ReadInt16();
       
   406     for (TInt ii=0; ii<count; ii++)
       
   407         {
       
   408         TInt key = (TUint32)reader.ReadUint16();
       
   409         TInt state = reader.ReadInt16();
       
   410 		for (TInt jj=0; jj<aHardwareStateArray.Count(); jj++)
       
   411 			{
       
   412 			SHardwareStateInfo& hwInfo = aHardwareStateArray[jj];
       
   413 			if (hwInfo.iStateNum == state)
       
   414 				hwInfo.iKeyCode = key;
       
   415 			}
       
   416         }
       
   417 
       
   418     CleanupStack::PopAndDestroy(); // reader's HBufC
       
   419 	}
       
   420 
       
   421 TAknPrivSoftkeyLocation CAknLayoutConfig::GetLandscapeSoftkeyLocationFromAknPrivL(CResourceFile* aResFile)
       
   422 	{
       
   423 #if defined(__WINS__)
       
   424     TInt skResource = R_AKNPRIV_SOFTKEY_LOCATION_LANDSCAPE_ROTATED90_EMUL;
       
   425 #else
       
   426     TInt skResource = R_AKNPRIV_SOFTKEY_LOCATION_LANDSCAPE_ROTATED90;
       
   427 #endif
       
   428 
       
   429 	TResourceReader reader;
       
   430 	reader.SetBuffer(aResFile->AllocReadLC(skResource));
       
   431 	TAknPrivSoftkeyLocation softKeyLocation = (TAknPrivSoftkeyLocation)reader.ReadInt16();
       
   432 
       
   433     CleanupStack::PopAndDestroy(); // reader's HBufC
       
   434     
       
   435     return softKeyLocation;
       
   436 	}
       
   437 
       
   438 TBool IsLandscape(const TSize& aSize)
       
   439 	{
       
   440 	return aSize.iWidth > aSize.iHeight;
       
   441 	}
       
   442 
       
   443 void CAknLayoutConfig::GetScreenModesFromWservL(SAknLayoutConfig& aConfig,
       
   444 												RArray<SAknScreenModeInfo>& aScreenInfoArray, 
       
   445 												TAknPrivSoftkeyLocation aLandscapeSoftkeyLocation)
       
   446 	{
       
   447 	CEikonEnv* eikonEnv = CEikonEnv::Static();
       
   448 	CWsScreenDevice* dev = eikonEnv->ScreenDevice();
       
   449 
       
   450 	TInt numScreenModes = dev->NumScreenModes();
       
   451 	aConfig.iNumScreenModes = numScreenModes;
       
   452 	aScreenInfoArray.ReserveL(numScreenModes);
       
   453 	for (TInt ii=0; ii<numScreenModes; ii++)
       
   454 		{
       
   455 		SAknScreenModeInfo screenMode;
       
   456 		screenMode.iModeNumber = ii;
       
   457 		screenMode.iScreenStyleHash = 0;
       
   458 		dev->GetScreenModeSizeAndRotation(ii, screenMode.iPixelsTwipsAndRotation);
       
   459 		if (IsLandscape(screenMode.iPixelsTwipsAndRotation.iPixelSize))
       
   460 			{
       
   461 			screenMode.iSoftkeyLocation = aLandscapeSoftkeyLocation;
       
   462 	        // side-swapping logic moved from CAknEnv::StatusPaneResIdForCurrentLayout
       
   463 	        if (screenMode.iPixelsTwipsAndRotation.iRotation == CFbsBitGc::EGraphicsOrientationRotated270)
       
   464 	            {
       
   465 	            if (aLandscapeSoftkeyLocation == EAknPrivSoftkeyLocationRight)
       
   466 	                screenMode.iSoftkeyLocation = EAknPrivSoftkeyLocationLeft;
       
   467 	            else if (aLandscapeSoftkeyLocation == EAknPrivSoftkeyLocationLeft)
       
   468 	                screenMode.iSoftkeyLocation = EAknPrivSoftkeyLocationRight;
       
   469 	            }
       
   470 			}
       
   471 		else
       
   472 			{
       
   473 			screenMode.iSoftkeyLocation = EAknPrivSoftkeyLocationBottom;
       
   474 			}
       
   475     	screenMode.iDisplayMode = dev->GetScreenModeDisplayMode(ii);
       
   476 		aScreenInfoArray.AppendL(screenMode);
       
   477 		}
       
   478 	}
       
   479 
       
   480 //
       
   481 // CAknLayoutConfigWsiniParser
       
   482 //
       
   483 #define WSINI_PARSE_ENTRY(keyword, func) { _S(keyword), sizeof(keyword)-1, &CAknLayoutConfigWsiniParser::Call##func }
       
   484 const CAknLayoutConfigWsiniParser::SParseEntry CAknLayoutConfigWsiniParser::iParseTable[] = 
       
   485 	{
       
   486 	WSINI_PARSE_ENTRY("S60_HWSTATE_KEYCODE", HardwareStateKeycodeL),		//S60_HWSTATE_KEYCODEn <KeyCode>
       
   487 	WSINI_PARSE_ENTRY("S60_HWSTATE_SCREENMODE", HardwareStateScreenModeL),		//S60_HWSTATE_SCREENMODEn <ScreenModeNumber>
       
   488 	WSINI_PARSE_ENTRY("S60_HWSTATE_ALT_SCREENMODE", HardwareStateAltScreenModeL),		//S60_HWSTATE_ALT_SCREENMODEn <ScreenModeNumber>
       
   489 	WSINI_PARSE_ENTRY("S60_SCR_SOFTKEY_LOCATION", ScreenModeSoftkeyLocationL),		//S60_SCR_SOFTKEY_LOCATIONn <Location>
       
   490 	WSINI_PARSE_ENTRY("S60_SCR_STYLE_NAME", ScreenModeStyleNameL),		//S60_SCR_STYLE_NAMEn <ScreenStyleName>
       
   491 	};
       
   492 
       
   493 void CAknLayoutConfigWsiniParser::GetConfigL(SAknLayoutConfig& aConfig, 
       
   494 											 RArray<SAknScreenModeInfo>& aScreenInfoArray, 
       
   495 											 RArray<SHardwareStateInfo>& aHardwareStateArray)
       
   496 	{
       
   497 	CAknLayoutConfigWsiniParser* self = new(ELeave) CAknLayoutConfigWsiniParser(aConfig, aScreenInfoArray, aHardwareStateArray);
       
   498 	CleanupStack::PushL(self);
       
   499 	self->GetConfigL();
       
   500 	CleanupStack::PopAndDestroy();
       
   501 	}
       
   502 
       
   503 CAknLayoutConfigWsiniParser::CAknLayoutConfigWsiniParser(SAknLayoutConfig& aConfig, 
       
   504 														 RArray<SAknScreenModeInfo>& aScreenInfoArray, 
       
   505 														 RArray<SHardwareStateInfo>& aHardwareStateArray)
       
   506 : iConfig(aConfig), iScreenInfoArray(aScreenInfoArray), iHardwareStateArray(aHardwareStateArray)	
       
   507 	{
       
   508 	}
       
   509 	
       
   510 CAknLayoutConfigWsiniParser::~CAknLayoutConfigWsiniParser()
       
   511 	{
       
   512 	}
       
   513 	
       
   514 void CAknLayoutConfigWsiniParser::GetConfigL()
       
   515 	{
       
   516 	HBufC* wsini = GetWsiniLC();
       
   517 	ParseWsiniL(*wsini);
       
   518 	CleanupStack::PopAndDestroy(wsini);
       
   519 	}
       
   520 
       
   521 void CAknLayoutConfigWsiniParser::HardwareStateKeycodeL(TPtrC& aLine)
       
   522 	{
       
   523 	//S60_HWSTATE_KEYCODEn <KeyCode>
       
   524 	TInt stateNumber = ParseIntL(aLine);
       
   525 	TInt keyCode = ParseKeycodeL(aLine);
       
   526 	HardwareStateL(stateNumber).iKeyCode = keyCode;
       
   527 	}
       
   528 
       
   529 void CAknLayoutConfigWsiniParser::HardwareStateScreenModeL(TPtrC& aLine)
       
   530 	{
       
   531 	//S60_HWSTATE_SCREENMODEn <ScreenModeNumber>
       
   532 	TInt stateNumber = ParseIntL(aLine);
       
   533 	TInt modeNumber = ParseIntL(aLine) - 1;		// -1 to translate between wsini & CWsScreenDevice mode numbers
       
   534 	HardwareStateL(stateNumber).iScreenMode = modeNumber;
       
   535 	}
       
   536 
       
   537 void CAknLayoutConfigWsiniParser::HardwareStateAltScreenModeL(TPtrC& aLine)
       
   538 	{
       
   539 	//S60_HWSTATE_ALT_SCREENMODEn <ScreenModeNumber>
       
   540 	TInt stateNumber = ParseIntL(aLine);
       
   541 	TInt modeNumber = ParseIntL(aLine) - 1;		// -1 to translate between wsini & CWsScreenDevice mode numbers
       
   542 	HardwareStateL(stateNumber).iAltScreenMode = modeNumber;
       
   543 	}
       
   544 
       
   545 void CAknLayoutConfigWsiniParser::ScreenModeSoftkeyLocationL(TPtrC& aLine)
       
   546 	{
       
   547 	//S60_SCR_SOFTKEY_LOCATIONn <Location>
       
   548 	TInt modeNumber = ParseIntL(aLine) - 1;		// -1 to translate between wsini & CWsScreenDevice mode numbers
       
   549 	TAknPrivSoftkeyLocation location = ParseSoftkeyLocationL(aLine);
       
   550 	ScreenModeL(modeNumber).iSoftkeyLocation = location;
       
   551 	}
       
   552 
       
   553 void CAknLayoutConfigWsiniParser::ScreenModeStyleNameL(TPtrC& aLine)
       
   554 	{
       
   555 	//S60_SCR_STYLE_NAMEn <ScreenStyleName>
       
   556 	TInt modeNumber = ParseIntL(aLine) - 1;		// -1 to translate between wsini & CWsScreenDevice mode numbers
       
   557 	TInt hash = ScreenStyleHash(aLine);
       
   558 	ScreenModeL(modeNumber).iScreenStyleHash = hash;
       
   559 	}
       
   560 
       
   561 HBufC* CAknLayoutConfigWsiniParser::GetWsiniLC()
       
   562 	{
       
   563 	RFs& fs = CEikonEnv::Static()->FsSession();
       
   564 	_LIT(KWsini, "z:\\system\\data\\wsini.ini");
       
   565 	TEntry wsiniEntry;
       
   566 	User::LeaveIfError(fs.Entry(KWsini, wsiniEntry));
       
   567 	
       
   568 	HBufC* wsiniText = HBufC::NewLC((wsiniEntry.iSize+1)/2);	// +1 /2 to round up and convert file size to UTF-16 character size
       
   569 	TPtr wsiniPtr = wsiniText->Des();
       
   570 	TPtr8 wsiniPtr8((TText8*)wsiniPtr.Ptr(), 0, wsiniPtr.MaxLength()*2);
       
   571 
       
   572 	RFile wsiniFile;
       
   573 	User::LeaveIfError(wsiniFile.Open(fs, KWsini, EFileRead | EFileShareReadersOnly));
       
   574 	CleanupClosePushL(wsiniFile);
       
   575 	
       
   576 	User::LeaveIfError(wsiniFile.Read(wsiniPtr8, wsiniEntry.iSize));
       
   577 	wsiniPtr.SetLength(wsiniPtr8.Length()/2);
       
   578 	
       
   579 	CleanupStack::PopAndDestroy(&wsiniFile);
       
   580 	
       
   581 	return wsiniText;
       
   582 	}
       
   583 
       
   584 inline TBool IsDigit(TText aChar)
       
   585 	{
       
   586 	return ('0' <= aChar && aChar <= '9');
       
   587 	}
       
   588 	
       
   589 inline TBool IsKeywordChar(TText aChar)
       
   590 	{
       
   591 	return ('A' <= aChar && aChar <= 'Z') ||
       
   592 		   IsDigit(aChar) ||
       
   593 		   aChar == '_';
       
   594 	}
       
   595 
       
   596 inline TBool IsEndOfLine(TText aChar)
       
   597 	{
       
   598 	return aChar == '\r' || aChar == '\n';
       
   599 	}
       
   600 	
       
   601 void CAknLayoutConfigWsiniParser::ParseWsiniL(const TDesC& aWsini)
       
   602 	{
       
   603 	if (!aWsini.Length())
       
   604 		return;
       
   605 	
       
   606 	const TText* pChar = aWsini.Ptr();
       
   607 	const TText* end = pChar + aWsini.Length();
       
   608 	if (*pChar == 0xFEFF || *pChar == 0xFFFE)
       
   609 		pChar++; 	// Skip, but otherwise ignore, the UTF-16 byte ordering marker (this is how it works in wserv)
       
   610 
       
   611 	while (pChar != end)
       
   612 		{
       
   613 		// mark start of line
       
   614 		const TText* kwStart = pChar;
       
   615 		
       
   616 		// find end of keyword (including digits)
       
   617 		while (pChar != end && IsKeywordChar(*pChar))
       
   618 			++pChar;
       
   619 
       
   620 		// mark end of keyword (including digits)
       
   621 		const TText* kwEnd = pChar;
       
   622 		
       
   623 		// count back to remove digits
       
   624 		while (kwEnd != kwStart && IsDigit(*(kwEnd-1)))
       
   625 			--kwEnd;
       
   626 		
       
   627 		// find end of line
       
   628 		while (pChar != end && !IsEndOfLine(*pChar))
       
   629 			++pChar;
       
   630 		
       
   631 		// parse the line
       
   632 		ParseLineL(kwStart, kwEnd, pChar);
       
   633 
       
   634 		// find start of next line
       
   635 		while (pChar != end && IsEndOfLine(*pChar))
       
   636 			++pChar;
       
   637 		}
       
   638 	}
       
   639 
       
   640 void CAknLayoutConfigWsiniParser::ParseLineL(const TText* aKwStart, const TText* aKwEnd, const TText* aLineEnd)
       
   641 	{
       
   642 	if (aKwEnd == aKwStart)
       
   643 		return;
       
   644 	
       
   645 	TPtrC kw(aKwStart, aKwEnd-aKwStart);
       
   646 	TPtrC rest(aKwEnd, aLineEnd-aKwEnd);
       
   647 	
       
   648 	TInt targetCount = sizeof(iParseTable)/sizeof(SParseEntry);
       
   649 	for (TInt ii=0; ii<targetCount; ii++)
       
   650 		{
       
   651 		const SParseEntry& parseEntry = iParseTable[ii];
       
   652 		TPtrC header(parseEntry.iKeyword, parseEntry.iKeywordLen);
       
   653 		if (kw == header)
       
   654 			{
       
   655 			(*parseEntry.iFunc)(this, rest);
       
   656 			break;
       
   657 			}
       
   658 		}
       
   659 	}
       
   660 
       
   661 SHardwareStateInfo& CAknLayoutConfigWsiniParser::HardwareStateL(TInt aStateNumber)
       
   662 	{
       
   663 	TInt count = iHardwareStateArray.Count();
       
   664 	for (TInt ii=0; ii<count; ii++)
       
   665 		{
       
   666 		if (iHardwareStateArray[ii].iStateNum == aStateNumber)
       
   667 			return iHardwareStateArray[ii];
       
   668 		}
       
   669 		
       
   670 	// not found, create a new one
       
   671 	SHardwareStateInfo newInfo = { aStateNumber, 0, 0, 0 };
       
   672 	iHardwareStateArray.AppendL(newInfo);
       
   673 	return iHardwareStateArray[count];
       
   674 	}
       
   675 
       
   676 SAknScreenModeInfo& CAknLayoutConfigWsiniParser::ScreenModeL(TInt aModeNumber)
       
   677 	{
       
   678 	TInt count = iScreenInfoArray.Count();
       
   679 	for (TInt ii=0; ii<count; ii++)
       
   680 		{
       
   681 		if (iScreenInfoArray[ii].iModeNumber == aModeNumber)
       
   682 			return iScreenInfoArray[ii];
       
   683 		}
       
   684 	
       
   685 	// we failed to find the screen mode.
       
   686 	User::Leave(KErrNotFound);
       
   687 	return iScreenInfoArray[0];	// dummy return, will never get here.
       
   688 	}
       
   689 
       
   690 TInt CAknLayoutConfigWsiniParser::ParseIntL(TPtrC& aLine)
       
   691 	{
       
   692 	TLex lex(aLine);
       
   693 	lex.SkipSpace();
       
   694 	TInt num;
       
   695 	User::LeaveIfError(lex.Val(num));
       
   696 	aLine.Set(lex.Remainder());
       
   697 	return num;
       
   698 	}
       
   699 
       
   700 struct SKeyTranslation
       
   701     {
       
   702     const TDesC* iName;
       
   703     TInt iBase;
       
   704     TInt iRangeStart;
       
   705     TInt iRangeEnd;
       
   706     };
       
   707 
       
   708 _LIT(KKeyNameApp, "EKeyApplication");
       
   709 _LIT(KKeyNameDev, "EKeyDevice");
       
   710 
       
   711 const SKeyTranslation KKeyTranslationTable[] =
       
   712     {
       
   713         {
       
   714         LIT_AS_DESC_PTR(KKeyNameApp),
       
   715         EKeyApplication0,
       
   716         0x0,
       
   717         0xf
       
   718         },
       
   719         {
       
   720         LIT_AS_DESC_PTR(KKeyNameDev),
       
   721         EKeyDevice0,
       
   722         0x0,
       
   723         0xf
       
   724         },
       
   725         {
       
   726         LIT_AS_DESC_PTR(KKeyNameApp),
       
   727         EKeyApplication10,
       
   728         0x10,
       
   729         0x1f
       
   730         },
       
   731         {
       
   732         LIT_AS_DESC_PTR(KKeyNameDev),
       
   733         EKeyDevice10,
       
   734         0x10,
       
   735         0x1f
       
   736         }
       
   737     };
       
   738 
       
   739 TInt CAknLayoutConfigWsiniParser::ParseKeycodeL(TPtrC& aLine)
       
   740 	{
       
   741 	TLex lex(aLine);
       
   742 	lex.SkipSpace();
       
   743 	aLine.Set(lex.Remainder());
       
   744 	
       
   745 	TUint key;
       
   746     // look in the translation table for a KeyNameXX match
       
   747 	TInt count = sizeof(KKeyTranslationTable)/sizeof(SKeyTranslation);
       
   748 	for (TInt ii = 0; ii < count; ii++)
       
   749 	    {
       
   750 	    const SKeyTranslation& trans = KKeyTranslationTable[ii];
       
   751 	    const TDesC& name = *trans.iName;
       
   752 	    TInt len = name.Length();
       
   753 	    if (aLine.Length() > len && aLine.Left(len) == name)
       
   754 	        {
       
   755 	        lex.Assign(aLine.Mid(len));
       
   756     	    if (lex.Val(key, EHex) == KErrNone && trans.iRangeStart <= key && key <= trans.iRangeEnd)
       
   757     	        {
       
   758             	aLine.Set(lex.Remainder());
       
   759     	        return trans.iBase + key - trans.iRangeStart;
       
   760     	        }
       
   761 	        }
       
   762 	    }
       
   763 	
       
   764 	if (aLine.Length())
       
   765 		{
       
   766 		// use the character
       
   767 		key = aLine[0];
       
   768 		aLine.Set(aLine.Mid(1));
       
   769 		return key;
       
   770 		}
       
   771 
       
   772 	User::Leave(KErrCorrupt);
       
   773 	return 0;
       
   774 	}
       
   775 
       
   776 TAknPrivSoftkeyLocation CAknLayoutConfigWsiniParser::ParseSoftkeyLocationL(TPtrC& aLine)
       
   777 	{
       
   778 	TAknPrivSoftkeyLocation location = EAknPrivSoftkeyLocationBottom;
       
   779 	TLex lex(aLine);
       
   780 	lex.SkipSpace();
       
   781 	TPtrC token = lex.NextToken();
       
   782 	if (token == _L("right"))
       
   783 		location = EAknPrivSoftkeyLocationRight;
       
   784 	else if (token == _L("left"))
       
   785 		location = EAknPrivSoftkeyLocationLeft;
       
   786 	aLine.Set(lex.Remainder());
       
   787 	return location;
       
   788 	}
       
   789 
       
   790 TInt CAknLayoutConfigWsiniParser::ScreenStyleHash(TPtrC& aLine)
       
   791 	{
       
   792 	TInt hash = 0;
       
   793 	TLex lex(aLine);
       
   794 	TPtrC name = lex.NextToken();
       
   795 	const TText* pChar = name.Ptr();
       
   796 	const TText* end = pChar + name.Length();
       
   797 	
       
   798 	// calculate the hash
       
   799 	for (; pChar != end; ++pChar)
       
   800 		{
       
   801 		hash *= KAknLayoutScreenStyleNameHashMult;
       
   802 		hash += *pChar;
       
   803 		}
       
   804 
       
   805 	return hash;
       
   806 	}