author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 14 May 2010 15:49:53 +0300 | |
changeset 25 | 3ec52facab4d |
parent 19 | 4e84c994a771 |
permissions | -rw-r--r-- |
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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: Implementation of m3u playlist plugin interface |
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* |
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* CMPXM3uPlaylistPlugin delegates the responsibilities for m3u playlist file |
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* import and export to CMPXM3uPlaylistImporter and CMPXM3uPlaylistExporter |
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* respectively. |
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* |
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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 <e32cmn.h> |
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#include <implementationproxy.h> |
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#include <mpxlog.h> |
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#include <mpxmediageneraldefs.h> |
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#include <mpxplaylistpluginobserver.h> |
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#include "mpxm3uplaylistimporter.h" |
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#include "mpxm3uplaylistexporter.h" |
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#include "mpxm3uplaylistplugin.h" |
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#include "mpxm3uplaylistdefs.h" |
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#include "mpxm3uplaylistdefs.hrh" |
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// ============================ MEMBER FUNCTIONS ============================== |
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// ---------------------------------------------------------------------------- |
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// Constructor. |
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// ---------------------------------------------------------------------------- |
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CMPXM3uPlaylistPlugin::CMPXM3uPlaylistPlugin() |
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{ |
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} |
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// ---------------------------------------------------------------------------- |
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// 2nd phase constructor |
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// ---------------------------------------------------------------------------- |
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void CMPXM3uPlaylistPlugin::ConstructL() |
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{ |
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iRequiredAttributes.AppendL(KMPXMediaGeneralUri); |
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iOptionalAttributes.AppendL(KMPXMediaGeneralTitle); |
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iOptionalAttributes.AppendL(KMPXMediaGeneralDuration); |
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} |
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// ---------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// ---------------------------------------------------------------------------- |
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CMPXM3uPlaylistPlugin* CMPXM3uPlaylistPlugin::NewL(TAny* /*aInitParams*/) |
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{ |
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CMPXM3uPlaylistPlugin* self=new(ELeave)CMPXM3uPlaylistPlugin(); |
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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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// Destructor. |
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// ---------------------------------------------------------------------------- |
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CMPXM3uPlaylistPlugin::~CMPXM3uPlaylistPlugin() |
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{ |
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delete iImporter; |
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delete iExporter; |
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iRequiredAttributes.Close(); |
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iOptionalAttributes.Close(); |
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} |
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// ---------------------------------------------------------------------------- |
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// Internalize a playlist |
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// ---------------------------------------------------------------------------- |
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void CMPXM3uPlaylistPlugin::InternalizePlaylistL( |
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TRequestStatus& aStatus, |
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const TDesC& aPlaylistUri) |
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{ |
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MPX_DEBUG1("CMPXM3uPlaylistPlugin::InternalizePlaylist(aPlaylistUri)"); |
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// instantiate a new CMPXM3uPlaylistImporter to handle this request. |
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delete iImporter; |
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iImporter = NULL; |
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// processing starts as soon as object is instantiated. When request completes, |
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// client is notified through MMPXPlaylistPlugibObserver interface |
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iImporter = |
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CMPXM3uPlaylistImporter::NewL( |
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iFs, iObserver, aPlaylistUri, *iTopCharacterSet, *iAvailableCharacterSet, aStatus ); |
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} |
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// ---------------------------------------------------------------------------- |
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// Externalize a playlist |
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// ---------------------------------------------------------------------------- |
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void CMPXM3uPlaylistPlugin::ExternalizePlaylistL( |
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TRequestStatus& aStatus, |
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const CMPXMedia& aPlaylist, |
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const TDesC& aFilePath) |
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{ |
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MPX_DEBUG1("CMPXM3uPlaylistPlugin::ExternalizePlaylistL"); |
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// instantiate a new CMPXM3uPlaylistExporter to handle this request |
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delete iExporter; |
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iExporter = NULL; |
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112 |
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// processing starts as soon as object is instantiated. When request completes, |
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// client is notified through MMPXPlaylistPlugibObserver interface |
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iExporter = |
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CMPXM3uPlaylistExporter::NewL( |
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iFs, iObserver, aPlaylist, aFilePath, aStatus ); |
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} |
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119 |
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// ---------------------------------------------------------------------------- |
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// Required attributes for the medias in the playlist in order to |
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// externalize them to a playlist. |
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// ---------------------------------------------------------------------------- |
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const TArray<TMPXAttribute> CMPXM3uPlaylistPlugin::RequiredAttributes() const |
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{ |
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return iRequiredAttributes.Array(); |
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} |
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128 |
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// ---------------------------------------------------------------------------- |
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// Optional attributes for the medias in the playlist for externalizing |
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// them to a playlist |
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// ---------------------------------------------------------------------------- |
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const TArray<TMPXAttribute> CMPXM3uPlaylistPlugin::OptionalAttributes() const |
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{ |
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return iOptionalAttributes.Array(); |
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} |
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137 |
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// ---------------------------------------------------------------------------- |
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// Returns the file extension the plugin handles |
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// ---------------------------------------------------------------------------- |
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const TDesC& CMPXM3uPlaylistPlugin::FileExtension() const |
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{ |
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return KMPXM3UExtension(); |
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} |
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145 |
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// ---------------------------------------------------------------------------- |
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// cancel a client request |
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// ---------------------------------------------------------------------------- |
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void CMPXM3uPlaylistPlugin::Cancel() |
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{ |
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if ( iImporter ) |
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{ |
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iImporter->Cancel(); |
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} |
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if ( iExporter ) |
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{ |
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iExporter->Cancel(); |
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} |
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} |
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161 |
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// ========================== OTHER EXPORTED FUNCTIONS ========================= |
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// ---------------------------------------------------------------------------- |
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// The list of implementations |
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// ---------------------------------------------------------------------------- |
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const TImplementationProxy ImplementationTable[] = |
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{ IMPLEMENTATION_PROXY_ENTRY(KMPXM3uPlaylistImplUid, CMPXM3uPlaylistPlugin::NewL) }; |
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// ---------------------------------------------------------------------------- |
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// The proxy of implementations |
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// ---------------------------------------------------------------------------- |
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EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
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{ |
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aTableCount=sizeof(ImplementationTable)/sizeof(TImplementationProxy); |
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return ImplementationTable; |
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} |
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// End of file |