1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Symbian Foundation License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Media plug-in for LAWMO

    15 *

    16 */

    17 

    18 #ifndef _MEDIAPLUGIN__

    19 #define _MEDIAPLUGIN__

    20 

    21 #include <e32base.h>	// For CActive, link against: euser.lib

    22 #include <e32std.h>		// For RTimer, link against: euser.lib

    23 #include <mdesession.h>

    24 #include <mdequery.h>

    25 #include <mdeobjectdef.h>

    26 #include <mdeobjectquery.h>

    27 #include <mdeconstants.h>

    28 #include <mdeitem.h>

    29 #include <f32file.h>

    30 #include <flogger.h>

    31 #include <lawmointerface.h>

    32 #include <lawmocallbackinterface.h>

    33 

    34 // An implementation of the CLAWMOPluginInterface definition

    35 class CLAWMOMediaPlugin : public CLAWMOPluginInterface,

    36 						  public MMdESessionObserver,

    37 						  public MMdEQueryObserver

    38 	{

    39 public:

    40 	// Standardised safe construction which leaves nothing the cleanup stack.

    41     static CLAWMOMediaPlugin* NewL(MLawmoPluginWipeObserver* aObserver);

    42 	// Destructor	

    43 	~CLAWMOMediaPlugin();

    44 	

    45 	void WipeL ();

    46 	// Initiate and start a MdsQuery

    47 	void StartMdsQueryL();

    48 public: // from MMdESessionObserver

    49     

    50     void HandleSessionOpened( CMdESession& aSession, TInt aError );

    51     void HandleSessionError( CMdESession& aSession, TInt aError );

    52 		

    53 public: // from MMdEQueryObserver

    54     void HandleQueryNewResults(CMdEQuery& aQuery,

    55                                    TInt aFirstNewItemIndex,

    56                                    TInt aNewItemCount);

    57                                    

    58     void HandleQueryCompleted(CMdEQuery& aQuery, TInt aError);

    59 

    60 private:

    61     enum TMdsQueryState

    62         {

    63         EUninitialized, // Uninitialized

    64         EInitialized, // Initalized

    65         EImage,

    66         EVideo,

    67         ESession,

    68         EError

    69         // Error condition

    70         };

    71 		

    72 private:

    73 	// Construction

    74 	CLAWMOMediaPlugin();

    75 	/**

    76 	 * second phase constructor

    77 	 */

    78 	void ConstructL(MLawmoPluginWipeObserver* aObserver);

    79 

    80 private:

    81 	TInt iState; // State of the active object

    82 	CMdESession* iMdeSession; // session to MdE, created before trying to do the query

    83 	CMdEObjectQuery* iQuery;

    84 	RFs iRfs;

    85 	MLawmoPluginWipeObserver* iObserver;

    86 	};  

    87 

    88 #endif // _MEDIAPLUGIN__