author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:31:27 +0100 | |
branch | RCL_3 |
changeset 37 | 870918037e16 |
parent 0 | 522cd55cc3d7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2005 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: This file implements the methods which wrap functionality related |
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* to landmark encoding into a simpler interface. |
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* |
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*/ |
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// INCLUDE FILES |
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#include <e32base.h> |
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#include <e32std.h> |
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#include <AknQueryDialog.h> |
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#include <StringLoader.h> |
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#include <lmkui.rsg> |
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#include <EPos_CPosLandmarkDatabase.h> |
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#include <EPos_CPosLandmarkEncoder.h> |
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#include "LmkConsts.h" |
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#include "Debug.h" |
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#include "LmkFileUtils.h" |
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#include "CLmkAOOperation.h" |
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#include "CLmkEncoder.h" |
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#include "CLmkEncodeUnsavedLandmarksOp.h" |
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#include <lmkerrors.h> |
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// CONSTANTS |
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/// Unnamed namespace for local definitions |
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namespace { |
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_LIT8( KLandmarkMimeType, "application/vnd.nokia.landmarkcollection+xml" ); |
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// We wrap two async. tasks (export and write to file) into one |
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// using estimated 0.8/0.2 progress distribution: |
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const TReal32 KLmkExportMaxProgress( TReal32( 0.8 ) ); |
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#if defined(_DEBUG) |
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_LIT( KPanicMsg, "CLmkEncoder" ); |
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void Panic( TPanicCode aReason ) |
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{ |
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User::Panic( KPanicMsg, aReason ); |
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} |
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#endif |
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} // namespace |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::CLmkEncoder |
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// C++ default constructor can NOT contain any code, that |
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// might leave. |
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// ----------------------------------------------------------------------------- |
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// |
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CLmkEncoder::CLmkEncoder( |
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CPosLandmarkDatabase& aDb, |
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MLmkAOOperationObserver& aObserver, |
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TBool aProgressNote ) |
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: iDb( aDb ), |
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iObserver( aObserver ), |
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iProgressNote( aProgressNote ) |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::NewL() |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CLmkEncoder* CLmkEncoder::NewL( |
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CPosLandmarkDatabase& aDb, |
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MLmkAOOperationObserver& aObserver, |
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TBool aProgressNote ) |
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{ |
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CLmkEncoder* self = |
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new ( ELeave ) CLmkEncoder( aDb, aObserver, aProgressNote ); |
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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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// CLmkEncoder::ConstructL() |
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// ----------------------------------------------------------------------------- |
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// |
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void CLmkEncoder::ConstructL() |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::~CLmkEncoder() |
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// ----------------------------------------------------------------------------- |
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107 |
// |
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CLmkEncoder::~CLmkEncoder() |
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109 |
{ |
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delete iAOOperation; |
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delete iEncoder; |
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} |
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113 |
|
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::HandleOperationL |
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// ----------------------------------------------------------------------------- |
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// |
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void CLmkEncoder::HandleOperationL( |
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TOperationTypes aType, |
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TReal32 aProgress, |
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TInt aStatus ) |
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122 |
{ |
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DEBUG2( CLmkEncoder::HandleOperationL entered: progress=%d status=%d, |
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aProgress, aStatus ); |
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125 |
|
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__ASSERT_DEBUG( aType == EEncode, Panic( KLmkPanicUnknownOperation ) ); |
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127 |
|
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if ( aStatus != KPosLmOperationNotComplete ) |
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129 |
{ |
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__ASSERT_DEBUG( iAOOperation, Panic( KLmkPanicNullMember ) ); |
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131 |
|
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delete iAOOperation; |
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iAOOperation = NULL; |
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134 |
|
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if ( iExporting && aStatus == KErrNone ) |
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{ // start second part of asynchronous task |
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FinalizeEncodingL(); |
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aStatus = KPosLmOperationNotComplete; |
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} |
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} |
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141 |
|
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// Modify progress information because we have wrapped two tasks into one: |
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if ( iExporting && aStatus == KPosLmOperationNotComplete ) |
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144 |
{ |
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aProgress = aProgress * KLmkExportMaxProgress; |
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} |
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else if ( !iExporting && aStatus == KPosLmOperationNotComplete ) |
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{ // Progress of writing to file is between KLmkExportMaxProgress...1 |
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aProgress = KLmkExportMaxProgress + |
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aProgress * ( 1 - KLmkExportMaxProgress ); |
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} |
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152 |
|
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if( iProgressNote || aStatus != KPosLmOperationNotComplete ) |
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{ // Caller either requested to receive all events, or we |
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// have completed entirely and inform that to the caller. |
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iObserver.HandleOperationL( aType, aProgress, aStatus ); |
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} |
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158 |
} |
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159 |
|
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::SetPackageNameL |
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// ----------------------------------------------------------------------------- |
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163 |
// |
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//EXPORT_C void CLmkEncoder::SetPackageNameL( const TDesC& aName ) |
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void CLmkEncoder::SetPackageNameL( const TDesC& aName ) |
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166 |
{ |
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iEncoder->AddCollectionDataL( EPosLmCollDataCollectionName, aName ); |
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168 |
} |
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169 |
|
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::StartEncodingL |
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// ----------------------------------------------------------------------------- |
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173 |
// |
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EXPORT_C void CLmkEncoder::StartEncodingL( |
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const TDesC& aFileName, |
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const RArray<TPosLmItemId>& aLandmarkIdArray ) |
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177 |
{ |
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DEBUG( CLmkEncoder::StartEncodingL entered ); |
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LeaveIfInUseL(); |
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PrepareEncoderL(aFileName); |
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if (aLandmarkIdArray.Count() > 1) // Only if multiple Landmarks Are selected |
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182 |
{ |
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// Set the package name here |
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SetPackageNameL(aFileName); |
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} |
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186 |
|
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CPosLmOperation* operation = |
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iDb.ExportLandmarksL( *iEncoder, |
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aLandmarkIdArray, |
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CPosLandmarkDatabase::EIncludeCategories ); |
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CleanupStack::PushL( operation ); |
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iAOOperation = CLmkAOOperation::NewL( operation, |
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*this, |
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EEncode, |
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iProgressNote ); |
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CleanupStack::Pop( operation ); // ownership transferred |
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197 |
|
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iExporting = ETrue; // exporting part of encoding is being done |
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199 |
|
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DEBUG( CLmkEncoder::StartEncodingL: starting operation ); |
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iAOOperation->StartOperation(); |
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202 |
} |
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203 |
|
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204 |
// ----------------------------------------------------------------------------- |
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// CLmkEncoder::CancelEncodeOperationL |
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// ----------------------------------------------------------------------------- |
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207 |
// |
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EXPORT_C void CLmkEncoder::CancelEncodeOperationL() |
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209 |
{ |
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if ( iAOOperation ) |
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211 |
{ |
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iAOOperation->Cancel(); |
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delete iAOOperation; |
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iAOOperation = NULL; |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::FinalizeEncodingL |
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// ----------------------------------------------------------------------------- |
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// |
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void CLmkEncoder::FinalizeEncodingL() |
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{ |
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DEBUG( CLmkEncoder::FinalizeEncodingL entered ); |
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|
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LeaveIfInUseL(); |
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|
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CPosLmOperation* operation = iEncoder->FinalizeEncodingL(); |
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CleanupStack::PushL( operation ); |
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iAOOperation = CLmkAOOperation::NewL( operation, |
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*this, |
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EEncode, |
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iProgressNote ); |
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CleanupStack::Pop( operation ); // ownership transferred |
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|
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iExporting = EFalse; // write to file -part of encoding is being done |
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|
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DEBUG( CLmkEncoder::FinalizeEncodingL: starting operation ); |
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iAOOperation->StartOperation(); |
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} |
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241 |
|
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::LeaveIfInUseL |
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// ----------------------------------------------------------------------------- |
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// |
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void CLmkEncoder::LeaveIfInUseL() |
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{ |
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if ( iAOOperation ) |
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{ |
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User::Leave( KErrInUse ); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::PrepareEncoderL |
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// ----------------------------------------------------------------------------- |
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// |
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void CLmkEncoder::PrepareEncoderL(const TDesC& aFileName) |
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{ |
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// Full path name (Private path c:\\Provate\\UID3 + pacakge File name) |
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HBufC* nameBuf = HBufC::NewLC( 2 * KLmkPackageNameMaxLen + KLmkEncodedDataFileExtension().Length() ); |
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|
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// For getting private path |
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TPtr ptr = nameBuf->Des(); |
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RFs fs; |
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User::LeaveIfError(fs.Connect()); |
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CleanupClosePushL(fs); |
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fs.SessionPath(ptr); |
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fs.MkDirAll(ptr); |
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CleanupStack::PopAndDestroy(); // fs |
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|
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ptr.Append(aFileName); |
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ptr.Append(KLmkEncodedDataFileExtension); |
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TInt err = KErrNone; |
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|
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if ( !iEncoder ) |
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{ |
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DEBUG( CLmkEncoder::StartEncodingL: creating encoder ); |
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TRAP(err, iEncoder = CPosLandmarkEncoder::NewL( KLandmarkMimeType )); |
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DEBUG( CLmkEncoder::StartEncodingL: encoder created); |
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} |
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if(err != KErrNone) |
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{ |
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LmkFileUtils::DeleteFileL( ptr ); // Delete old file if it exists |
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CleanupStack::PopAndDestroy(nameBuf); //nameBuf |
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User::LeaveIfError( err ); |
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} |
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LmkFileUtils::DeleteFileL( ptr ); // Delete old file if it exists |
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iEncoder->SetOutputFileL( ptr ); |
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CleanupStack::PopAndDestroy(nameBuf); //nameBuf |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CLmkEncoder::StartEncodingL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CLmkEncoder::StartEncodingL( |
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const TDesC& aFileName, |
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const RPointerArray<CLmkLandmark>& aLandmarks ) |
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{ |
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DEBUG( CLmkEncoder::StartEncodingL entered ); |
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LeaveIfInUseL(); |
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PrepareEncoderL(aFileName); |
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if (aLandmarks.Count() > 1) // Only if multiple Landmarks Are selected |
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{ |
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// Set the package name here |
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SetPackageNameL(aFileName); |
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} |
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309 |
|
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CPosLmOperation* operation = |
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CLmkEncodeUnsavedLandmarksOp::NewL( *iEncoder, |
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aLandmarks, |
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CPosLandmarkDatabase::EIncludeCategories); |
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CleanupStack::PushL( operation ); |
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iAOOperation = CLmkAOOperation::NewL( operation, |
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*this, |
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EEncode, |
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iProgressNote ); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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CleanupStack::Pop( operation ); // ownership transferred |
522cd55cc3d7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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522cd55cc3d7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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321 |
iExporting = ETrue; // exporting part of encoding is being done |
522cd55cc3d7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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522cd55cc3d7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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323 |
DEBUG( CLmkEncoder::StartEncodingL: starting operation ); |
522cd55cc3d7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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iAOOperation->StartOperation(); |
522cd55cc3d7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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} |
522cd55cc3d7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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// End of File |