1 // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include <e32base.h>

    17 #include <e32std.h>

    18 #include <msvstd.h>

    19 #include <msvschedulepackage.h>

    20 #include <s32mem.h>

    21 #include <schinfo.h>

    22 

    23 //

    24 //

    25 //	TMsvSchedulePackage Implementation

    26 //

    27 //

    28 

    29 /**

    30 Default constructor.

    31 */

    32 

    33 EXPORT_C TMsvSchedulePackage::TMsvSchedulePackage()

    34 : iId(0), iCommandId(0), iPollProgress(0)

    35 	{

    36 	}

    37 

    38 

    39 HBufC* TMsvSchedulePackage::PackLC() const

    40 	{

    41 	//Externalize this into a CBufFlat

    42 	CBufFlat* flat = CBufFlat::NewL(sizeof(TMsvSchedulePackage));

    43 	CleanupStack::PushL(flat);

    44 

    45 	RBufWriteStream writeStream(*flat);

    46 	ExternalizeL(writeStream);

    47 	writeStream.CommitL();

    48 

    49 	const TPtr8 ptr8(flat->Ptr(0));

    50 

    51 	//Convert the CBufFlat into a HBufC16

    52 	HBufC* buf16 = Convert(ptr8).AllocL();

    53 

    54 	CleanupStack::PopAndDestroy(flat);

    55 	CleanupStack::PushL(buf16);

    56 

    57 	return buf16;

    58 	}

    59 

    60 

    61 /**

    62 Packs the object into a 16-bit descriptor. 

    63 

    64 The function then attempts to copy the descriptor into aTask.iName, 

    65 if aTask.iName is large enough; otherwise, it copies it into aDes (a new 

    66 HBufC). 

    67 

    68 aDes is placed on the cleanup stack.

    69 

    70 @param aTask

    71 Task information for this message.

    72 

    73 @param aDes On return, a new descriptor, possibly packaging the object.

    74 aDes.Length() == 0 if the object was successfully packed in aTask.iName 

    75 instead.

    76 */

    77 

    78 EXPORT_C void TMsvSchedulePackage::PackLC(TTaskInfo& aTask, HBufC*& aDes) const

    79 	{

    80 	aTask.iName.Zero();

    81 	aDes = PackLC();

    82 

    83 	if (aDes->Length() <= aTask.iName.MaxLength())

    84 		{

    85 		aTask.iName.Copy(*aDes);

    86 		CleanupStack::PopAndDestroy(aDes);

    87 		aDes = HBufC::NewLC(0);

    88 		}

    89 	}

    90 

    91 

    92 /**

    93 Restores this object from a 16-bit descriptor that was packed using PackLC().

    94 

    95 @param aTask 

    96 The object is restored from aTask.iName if aTask.iName.Length() doesn't equal

    97 zero.

    98 

    99 @param aDes 

   100 The object is restored from this descriptor if aTask.iName.Length() equals 

   101 zero.

   102 */

   103 

   104 EXPORT_C void TMsvSchedulePackage::UnpackL(const TTaskInfo& aTask, const TDesC& aDes)

   105 	{

   106 	if (aTask.iName.Length() != 0)

   107 		UnpackL(aTask.iName);

   108 	else

   109 		UnpackL(aDes);

   110 	}

   111 

   112 

   113 void TMsvSchedulePackage::UnpackL(const TDesC& aDes)

   114 	{

   115 	const TPtrC8 ptr8(Convert(aDes));

   116 	RDesReadStream readStream(ptr8);

   117 	InternalizeL(readStream);

   118 	}

   119 

   120 

   121 void TMsvSchedulePackage::ExternalizeL(RWriteStream& aStream) const

   122 	{

   123 	aStream.WriteInt32L(iId);

   124 	aStream.WriteInt32L(iCommandId);

   125 	aStream.WriteInt32L(iPollProgress.Int());

   126 	aStream << iParameter;

   127 	}

   128 

   129 

   130 void TMsvSchedulePackage::InternalizeL(RReadStream& aStream)

   131 	{

   132 	iId = aStream.ReadInt32L();

   133 	iCommandId = aStream.ReadInt32L();

   134 	iPollProgress = (TTimeIntervalMicroSeconds32) aStream.ReadInt32L();

   135 	aStream >> iParameter;

   136 	}

   137 

   138 

   139 TPtrC TMsvSchedulePackage::Convert(const TDesC8& aDes) const

   140 	{

   141 	const TInt size8 = aDes.Size();

   142 	const TInt size16 = (size8 / 2) + (size8 % 2);

   143 	return TPtrC(REINTERPRET_CAST(const TUint16*, aDes.Ptr()), size16);

   144 	}

   145 

   146 

   147 TPtrC8 TMsvSchedulePackage::Convert(const TDesC16& aDes) const

   148 	{

   149 	return TPtrC8(REINTERPRET_CAST(const TUint8*, aDes.Ptr()), aDes.Size());

   150 	}