author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 19 Aug 2010 09:52:08 +0300 | |
branch | RCL_3 |
changeset 24 | 26a1709b9fec |
parent 13 | c8156a91d13c |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2006 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: Helper to construct a collection playlist. |
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* |
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*/ |
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|
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|
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// INCLUDE FILES |
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#include <bldvariant.hrh> |
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#include <s32file.h> |
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#include <e32math.h> |
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#include <mpxcollectionframeworkdefs.h> |
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#include <mpxcollectionmessage.h> |
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#include <mpxcollectionutility.h> |
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#include <mpxcollectionplaylist.h> |
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#include <mpxcollectionpath.h> |
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#include <mpxcollectionuihelper.h> |
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#include <mpxplaybackutility.h> |
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#include <mpxplaybackmessage.h> |
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#include <mpxmessagegeneraldefs.h> |
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#include <mpxplaybackmessagedefs.h> |
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#include <mpxcollectionopenutility.h> |
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#include <mpxconstants.h> |
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|
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#include "mpxcollectionviewhgplaylisthelper.h" |
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#include "mpxlog.h" |
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|
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// CONSTANTS |
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const TInt KIncrementalFetchCount = 400; |
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const TInt KIncrementalNullOffset = 0; |
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|
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// ============================ MEMBER FUNCTIONS ============================== |
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|
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// ---------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// ---------------------------------------------------------------------------- |
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// |
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CMPXCollectionViewHgPlaylistHelper* CMPXCollectionViewHgPlaylistHelper::NewL( |
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MMPXPlaybackUtility* aPlaybackUtility, |
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MMPXCollectionUiHelper* aCollectionUiHelper) |
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{ |
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CMPXCollectionViewHgPlaylistHelper* self = NewLC(aPlaybackUtility, aCollectionUiHelper); |
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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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// ---------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// ---------------------------------------------------------------------------- |
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// |
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CMPXCollectionViewHgPlaylistHelper* CMPXCollectionViewHgPlaylistHelper::NewLC( |
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MMPXPlaybackUtility* aPlaybackUtility, |
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MMPXCollectionUiHelper* aCollectionUiHelper ) |
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{ |
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CMPXCollectionViewHgPlaylistHelper* self = |
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new (ELeave) CMPXCollectionViewHgPlaylistHelper(aPlaybackUtility, |
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aCollectionUiHelper); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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return self; |
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} |
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|
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// ---------------------------------------------------------------------------- |
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// C++ constructor can NOT contain any code that might leave. |
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// ---------------------------------------------------------------------------- |
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// |
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CMPXCollectionViewHgPlaylistHelper::CMPXCollectionViewHgPlaylistHelper( |
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MMPXPlaybackUtility* aPlaybackUtility, |
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MMPXCollectionUiHelper* aCollectionUiHelper ) |
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: iPlaybackUtility(aPlaybackUtility), |
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iCollectionUiHelper( aCollectionUiHelper ), |
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iPathInitialized(0), |
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iIsInitializing(EFalse), |
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iInitCanceled(EFalse), |
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iLoadSavedPath(EFalse), |
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iEnableShuffle(EFalse) |
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{ |
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} |
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// ---------------------------------------------------------------------------- |
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// Destructor. |
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// ---------------------------------------------------------------------------- |
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// |
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CMPXCollectionViewHgPlaylistHelper::~CMPXCollectionViewHgPlaylistHelper() |
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{ |
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if ( iCollectionUtility ) |
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{ |
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iCollectionUtility->Close(); |
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} |
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delete iIncOpenUtil; |
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} |
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// ---------------------------------------------------------------------------- |
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// Symbian 2nd phase constructor can leave. |
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// ---------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::ConstructL() |
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{ |
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iCollectionUtility = MMPXCollectionUtility::NewL( this, KMcModeIsolated ); |
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iIncOpenUtil = CMPXCollectionOpenUtility::NewL( this, KMcModeIsolated ); |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// Create the default path and load it in collection |
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// --------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::LoadDefaultPathL( TInt aDelay ) |
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121 |
{ |
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MPX_DEBUG1("CMPXCollectionViewHgPlaylistHelper::LoadDefaultPathL"); |
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CMPXCollectionPath* cpath = iCollectionUiHelper->CreateDefaultPlaylistPathLC(); |
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|
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if (!iIsInitializing) |
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{ |
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// Get incremental utility to open the path |
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// |
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DoIncrementalOpenL( *cpath, KIncrementalNullOffset, aDelay ); |
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|
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iPathInitialized = EFalse; |
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iIsInitializing = ETrue; |
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iInitCanceled = EFalse; |
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iDefaultPath = ETrue; |
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iSelectionId = KMPXInvalidItemId; |
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} |
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CleanupStack::PopAndDestroy( cpath ); |
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} |
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139 |
|
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// --------------------------------------------------------------------------- |
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// Create playlist from default path. |
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// --------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::InitPlaylistL(TBool aEnableShuffle) |
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145 |
{ |
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MPX_DEBUG1("CMPXCollectionViewHgPlaylistHelper::InitPlaylistL"); |
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CMPXCollectionPath* cpath = iCollectionUiHelper->CreateDefaultPlaylistPathLC(); |
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|
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if (!iIsInitializing) |
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150 |
{ |
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// Get incremental utility to open the path |
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// |
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DoIncrementalOpenL( *cpath, KIncrementalNullOffset, 0 ); |
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|
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iPathInitialized = EFalse; |
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iIsInitializing = ETrue; |
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iInitCanceled = EFalse; |
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iDefaultPath = ETrue; |
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iSelectionId = KMPXInvalidItemId; |
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iEnableShuffle = aEnableShuffle; |
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} |
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CleanupStack::PopAndDestroy( cpath ); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Create playlist from provided path |
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// --------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::InitPlaylistL(CMPXCollectionPath& aPath, TBool aEnableShuffle) |
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{ |
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MPX_DEBUG1("CMPXCollectionViewHgPlaylistHelper::InitPlaylistL"); |
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|
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if (!iIsInitializing) |
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174 |
{ |
13
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if (aEnableShuffle) |
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{ |
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TTime time; |
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time.UniversalTime(); |
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TInt64 seed = time.Int64(); |
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TInt randIndex = Math::Rand(seed) % aPath.Count(); |
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aPath.Set(randIndex); |
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} |
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183 |
|
0
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CMPXCollectionPlaylist* playlist = CMPXCollectionPlaylist::NewL( aPath ); |
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CleanupStack::PushL( playlist ); |
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|
13
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iPlaybackUtility->SetL( EPbPropertyRandomMode, aEnableShuffle ); |
0
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iPlaybackUtility->InitL( *playlist, ETrue ); |
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CleanupStack::PopAndDestroy( playlist ); |
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|
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//iPlaybackUtility->SetL( EPbPropertyRandomMode, aEnableShuffle ); |
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//iCollectionUtility->Collection().OpenL(aPath); |
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|
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iPathInitialized = ETrue; |
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iInitCanceled = EFalse; |
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iDefaultPath = EFalse; |
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iSelectionId = KMPXInvalidItemId; |
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} |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// Check the initialized flag |
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// --------------------------------------------------------------------------- |
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// |
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TBool CMPXCollectionViewHgPlaylistHelper::Initialized() |
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{ |
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return iPathInitialized; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Check the iIsInitializing flag |
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// --------------------------------------------------------------------------- |
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// |
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TBool CMPXCollectionViewHgPlaylistHelper::IsInitializing() |
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{ |
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return iIsInitializing; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Set the initialized flag |
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// --------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::SetInitialized( TBool aInit ) |
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{ |
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iPathInitialized = aInit; |
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iIsInitializing = EFalse; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Cancels the initialize operation |
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// --------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::CancelInit() |
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{ |
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iInitCanceled = ETrue; |
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SetInitialized( ETrue ); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// From MMPXCollectionObserver. |
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// Handle media properties. |
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// --------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::HandleCollectionMediaL( |
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const CMPXMedia& /*aMedia*/, |
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TInt /*aError*/ ) |
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{ |
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// Do nothing |
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} |
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|
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// --------------------------------------------------------------------------- |
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// From MMPXCollectionObserver. |
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// Handle collection message. |
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// --------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::HandleCollectionMessage( |
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CMPXMessage* aMessage, TInt aError ) |
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{ |
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if ( aError == KErrNone && aMessage ) |
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{ |
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TRAP_IGNORE( DoHandleCollectionMessageL( *aMessage ) ); |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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// From MMPXCollectionObserver. |
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// Handles the collection entries being opened. |
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// --------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::HandleOpenL( |
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const CMPXMedia& /* aEntries */, |
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TInt /* aIndex */, |
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TBool /* aComplete */, |
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TInt aError ) |
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{ |
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// OpenL() callback from trying to open the default Music Menu -> All Songs |
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// or from opening a container |
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// |
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MPX_DEBUG1("CMPXCollectionViewHgPlaylistHelper::HandleOpenL -- Passing path to playback engine"); |
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|
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// Stop the incremental open algorithm. We are only interested in fetcing |
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// a single block containing the item we want to play. This will speed up the |
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// initalization procedure. Once the playlist is created, the playlist |
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// takes over the rest of the incremental open operation |
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// |
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iIncOpenUtil->Stop(); |
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if ( aError == KErrNone ) |
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{ |
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|
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CMPXCollectionPath* cPath = iIncOpenUtil->PathL(); |
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CleanupStack::PushL( cPath ); |
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InitPlaybackEngineL( *cPath ); |
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CleanupStack::PopAndDestroy( cPath ); |
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iIsInitializing = EFalse; |
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iPathInitialized = ETrue; |
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iInitCanceled = EFalse; |
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} |
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else |
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{ |
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if( iDefaultPath ) |
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{ |
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MPX_DEBUG1("CMPXCollectionViewHgPlaylistHelper::HandleOpenL - Failed to open default path"); |
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// Failed to open default path, set to initialized |
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// "No songs view" |
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// |
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iDefaultPath = EFalse; |
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iPathInitialized = ETrue; |
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iIsInitializing = EFalse; |
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} |
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else |
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{ |
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MPX_DEBUG1("CMPXCollectionViewHgPlaylistHelper::HandleOpenL - Opening default Path"); |
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iIsInitializing = EFalse; |
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// Try opening default |
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LoadDefaultPathL(); |
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} |
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318 |
} |
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} |
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320 |
|
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321 |
// --------------------------------------------------------------------------- |
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322 |
// Handle playback message. |
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323 |
// --------------------------------------------------------------------------- |
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324 |
// |
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325 |
void CMPXCollectionViewHgPlaylistHelper::HandlePlaybackMessage( |
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326 |
CMPXMessage* aMessage, TInt aError ) |
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327 |
{ |
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|
328 |
if ( aError == KErrNone && aMessage ) |
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329 |
{ |
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330 |
TRAP_IGNORE( DoHandlePlaybackMessageL( *aMessage ) ); |
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|
331 |
} |
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332 |
} |
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|
333 |
|
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|
334 |
|
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335 |
// --------------------------------------------------------------------------- |
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336 |
// From MMPXCollectionObserver. |
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337 |
// Handles the item being opened. |
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338 |
// --------------------------------------------------------------------------- |
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339 |
// |
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340 |
void CMPXCollectionViewHgPlaylistHelper::HandleOpenL( |
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const CMPXCollectionPlaylist& aPlaylist, |
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342 |
TInt aError ) |
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343 |
{ |
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344 |
MPX_FUNC("CMPXCollectionViewHgPlaylistHelper::HandleOpenL"); |
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345 |
if( aError == KErrNone ) |
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346 |
{ |
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347 |
if ( !iInitCanceled ) |
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348 |
{ |
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349 |
MPX_DEBUG1( "CMPXCollectionViewHgPlaylistHelper::HandleOpenL - Opening playlist" ); |
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|
350 |
|
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351 |
// toggle repeat and shuffle to off if podcast playlist |
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352 |
if(KMPXUidPodcastDBPlugin == TUid::Uid((TInt)aPlaylist.Path().Id(0))) |
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353 |
{ |
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354 |
CMPXCollectionPlaylist* tmp = |
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355 |
CMPXCollectionPlaylist::NewL( aPlaylist ); |
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CleanupStack::PushL( tmp ); |
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357 |
tmp->SetRepeatEnabled( EFalse ); |
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358 |
tmp->SetShuffleEnabledL( EFalse ); |
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|
359 |
iPlaybackUtility->InitL( *tmp, EFalse ); |
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|
360 |
CleanupStack::PopAndDestroy( tmp ); |
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|
361 |
} |
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|
362 |
else |
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|
363 |
{ |
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364 |
iPlaybackUtility->InitL( aPlaylist, EFalse ); |
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|
365 |
} |
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|
366 |
} |
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|
367 |
else |
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|
368 |
{ |
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|
369 |
MPX_DEBUG1( "CMPXCollectionViewHgPlaylistHelper::HandleOpenL - Init canceled, do nothing" ); |
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|
370 |
} |
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|
371 |
} |
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|
372 |
else |
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|
373 |
{ |
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|
374 |
if( iDefaultPath ) |
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|
375 |
{ |
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|
376 |
// Failed to open default path, set to initialized |
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|
377 |
// "No songs view" |
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|
378 |
// |
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|
379 |
iDefaultPath = EFalse; |
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|
380 |
iPathInitialized = ETrue; |
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|
381 |
iIsInitializing = EFalse; |
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|
382 |
} |
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|
383 |
else |
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diff
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|
384 |
{ |
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Revision: 200949
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|
385 |
// Try opening default |
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Revision: 200949
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|
386 |
LoadDefaultPathL(); |
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|
387 |
} |
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|
388 |
} |
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|
389 |
} |
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|
390 |
|
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|
391 |
// --------------------------------------------------------------------------- |
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Revision: 200949
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|
392 |
// Initialize the playback engine with a collection path |
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Revision: 200949
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|
393 |
// --------------------------------------------------------------------------- |
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|
394 |
// |
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Revision: 200949
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|
395 |
void CMPXCollectionViewHgPlaylistHelper::InitPlaybackEngineL( CMPXCollectionPath& aPath ) |
ff3acec5bc43
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|
396 |
{ |
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Revision: 200949
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diff
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|
397 |
MPX_FUNC( "CMPXCollectionViewHgPlaylistHelper::InitPlaybackEngineL" ); |
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|
398 |
|
ff3acec5bc43
Revision: 200949
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|
399 |
if( !iInitCanceled ) |
ff3acec5bc43
Revision: 200949
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|
400 |
{ |
ff3acec5bc43
Revision: 200949
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changeset
|
401 |
TTime time; |
ff3acec5bc43
Revision: 200949
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|
402 |
time.UniversalTime(); |
ff3acec5bc43
Revision: 200949
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parents:
diff
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|
403 |
TInt64 seed = time.Int64(); |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
404 |
TInt randIndex = Math::Rand(seed) % aPath.Count(); |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
405 |
aPath.Set(randIndex); |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
406 |
CMPXCollectionPlaylist* playlist = CMPXCollectionPlaylist::NewL( aPath ); |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
407 |
CleanupStack::PushL( playlist ); |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
408 |
playlist->SetShuffleEnabledL( ETrue ); |
ff3acec5bc43
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
iPlaybackUtility->SetL( EPbPropertyRandomMode, iEnableShuffle ); |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
410 |
iPlaybackUtility->InitL( *playlist, ETrue ); |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
411 |
CleanupStack::PopAndDestroy( playlist ); |
ff3acec5bc43
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
} |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
413 |
else |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
414 |
{ |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
415 |
iIsInitializing = EFalse; |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
416 |
iPathInitialized = ETrue; |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
417 |
iInitCanceled = EFalse; |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
418 |
} |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
419 |
} |
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
420 |
|
ff3acec5bc43
Revision: 200949
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parents:
diff
changeset
|
421 |
// ----------------------------------------------------------------------------- |
ff3acec5bc43
Revision: 200949
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parents:
diff
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|
422 |
// Handle playback message |
ff3acec5bc43
Revision: 200949
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parents:
diff
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|
423 |
// ----------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::DoHandlePlaybackMessageL( const CMPXMessage& aMessage ) |
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{ |
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MPX_FUNC( "CMPXCollectionViewHgPlaylistHelper::DoHandlePlaybackMessageL" ); |
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TMPXMessageId id( aMessage.ValueTObjectL<TMPXMessageId>( KMPXMessageGeneralId ) ); |
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if ( KMPXMessageGeneral == id ) |
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{ |
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TInt event( aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralEvent ) ); |
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MPX_DEBUG2( "CMPXCollectionViewHgPlaylistHelper::DoHandlePlaybackMessageL(%d)", event ); |
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|
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switch ( event ) |
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{ |
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default: |
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{ |
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// ignore other messages |
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break; |
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} |
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} |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Handle collection message |
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// ----------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::DoHandleCollectionMessageL( |
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const CMPXMessage& /*aMessage*/ ) |
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{ |
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MPX_FUNC( "CMPXCollectionViewHgPlaylistHelper::DoHandleCollectionMessageL" ); |
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|
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} |
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// ----------------------------------------------------------------------------- |
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// Start the incremental reading operation at an offset |
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// ----------------------------------------------------------------------------- |
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// |
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void CMPXCollectionViewHgPlaylistHelper::DoIncrementalOpenL( CMPXCollectionPath& aPath, |
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TInt aIndex, |
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TInt aDelay ) |
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{ |
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RArray<TMPXAttribute> attrs; |
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CleanupClosePushL( attrs ); |
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TArray<TMPXAttribute> ary = attrs.Array(); |
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iIncOpenUtil->Stop(); |
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iIncOpenUtil->SetDelay( aDelay ); |
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iIncOpenUtil->StartL( aPath, ary, KIncrementalFetchCount, |
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aIndex, CMPXCollectionOpenUtility::EFetchNormal ); |
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CleanupStack::PopAndDestroy( &attrs ); |
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} |
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|
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// End of File |