1 // Copyright (c) 2010 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 /**

    17  @file

    18  @internalComponent

    19 */

    20 

    21 #ifndef CMTPPLAYBACKCONTROLDP_H

    22 #define CMTPPLAYBACKCONTROLDP_H

    23 

    24 #include <mtp/cmtpdataproviderplugin.h>

    25 #include <mtp/tmtptypeevent.h>

    26 

    27 #include "mtpplaybackcontroldpconst.h"

    28 #include "mtpdebug.h"

    29 #include "mmtpplaybackinterface.h"

    30 

    31 class MMTPRequestProcessor;

    32 class CMTPPlaybackMap;

    33 class MMTPPlaybackControl;

    34 class CMTPPlaybackProperty;

    35 class CMTPPlaybackEvent;

    36 

    37 /** 

    38 Implements the MTP playback control data provider plug-in.

    39 @internalComponent

    40 */

    41 class CMTPPlaybackControlDataProvider :	public CMTPDataProviderPlugin, public MMTPPlaybackObserver

    42     {

    43 public:

    44 

    45     static TAny* NewL(TAny* aParams);

    46     ~CMTPPlaybackControlDataProvider();

    47     

    48     CMTPPlaybackMap& GetPlaybackMap() const;

    49     CMTPPlaybackProperty& GetPlaybackProperty() const;

    50     MMTPPlaybackControl& GetPlaybackControlL();

    51     void RequestToResetPbCtrl();

    52     

    53 private: // From CMTPDataProviderPlugin

    54 

    55     void Cancel();

    56     void ProcessEventL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection);

    57     void ProcessNotificationL(TMTPNotification aNotification, const TAny* aParams);

    58     void ProcessRequestPhaseL(TMTPTransactionPhase aPhase, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection);

    59     void StartObjectEnumerationL(TUint32 aStorageId, TBool aPersistentFullEnumeration);

    60     void StartStorageEnumerationL();

    61     void Supported(TMTPSupportCategory aCategory, RArray<TUint>& aArray) const;

    62 

    63 private: //From MMTPPlaybackObserver

    64 

    65     void HandlePlaybackEventL(CMTPPlaybackEvent* aEvent, TInt aErr);

    66     

    67 private:

    68     

    69     CMTPPlaybackControlDataProvider(TAny* aParams);

    70     void ConstructL();

    71     

    72     TInt LocateRequestProcessorL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection);

    73     void SessionClosedL(const TMTPNotificationParamsSessionChange& aSession);

    74     void SessionOpenedL(const TMTPNotificationParamsSessionChange& aSession);

    75     void SendEventL(TMTPDevicePropertyCode aPropCode);

    76     

    77 private: // Owned

    78 

    79     /**

    80     FLOGGER debug trace member variable.

    81     */

    82     __FLOG_DECLARATION_MEMBER_MUTABLE;

    83 

    84     /**

    85     The event dataset.

    86     */     

    87     TMTPTypeEvent                   iEvent;

    88     

    89     /**

    90     The active request processors table. Multiple request processors may be 

    91     active in a multi-session MTP environment.

    92     */

    93     RPointerArray<MMTPRequestProcessor> iActiveProcessors;

    94     TInt iActiveProcessor;

    95     TBool iActiveProcessorRemoved;

    96     

    97     /**

    98     The iPlaybackMap map the device property or operation to valid playback command

    99     */

   100     CMTPPlaybackMap* iPlaybackMap;

   101     

   102     /**

   103     The iPlaybackProperty is a container for playback properties.

   104     */    

   105     CMTPPlaybackProperty* iPlaybackProperty;

   106     

   107     /**

   108     The checker map the device property or operation to valid playback command

   109     */

   110     MMTPPlaybackControl* iPlaybackControl;

   111     

   112     TBool iRequestToResetPbCtrl;

   113     };

   114 

   115 #endif // CMTPPLAYBACKCONTROLDP_H

   116