1 /*

     2 * Copyright (c) 2008-2009 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 "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:    Base class for publishing all the content

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef GLXCONTENTHARVESTERPLUGINBASE_H

    22 #define GLXCONTENTHARVESTERPLUGINBASE_H

    23 

    24 //includes

    25 

    26 #include <liwcommon.h>

    27 

    28 //Forward Declarations

    29 

    30 class CLiwGenericParamList;

    31 class CLiwServiceHandler;

    32 class MLiwInterface;

    33 class CGlxContentHarvesterPluginBase;

    34 class CGlxThumbnailContext;

    35 class MGlxMediaList;

    36 class MGlxContentHarvesterPlugin;

    37 

    38 class MGlxContentHarvesterPluginEntry : public MLiwNotifyCallback

    39     {

    40 public:

    41     /**

    42      * Virtual destructor

    43      */

    44     virtual ~MGlxContentHarvesterPluginEntry() {};

    45 	virtual void ContainerCacheCleanupL(MGlxMediaList* aMediaList)=0;

    46     virtual void UpdatePreviewThumbnailListL()=0;

    47     virtual void RemoveContextAndObserver()=0;

    48     virtual TBool Focused()=0;

    49     virtual TInt Count()=0;

    50     };

    51 

    52 

    53 class CGlxContentHarvesterPluginBase : public CBase, public MGlxContentHarvesterPluginEntry

    54     {

    55 public: // Constructors and destructor

    56 

    57     /**

    58      * Default constructor.

    59      */

    60     CGlxContentHarvesterPluginBase( );

    61     

    62     /**

    63        * Perform the second phase construction 

    64        */     

    65     void ConstructL(TInt aDefaultIconId );

    66 

    67     /**

    68      * Destructor.

    69      */

    70     virtual ~CGlxContentHarvesterPluginBase();

    71 

    72     TSize GetGridIconSize();

    73 

    74     /* Calculate the Grid Icon Size for Grid Widget. It always calculate

    75      * size for Landscape orientation. This is done to avoid saving two

    76      * different thumbnail icons in Thumbnail database.

    77      */

    78     void SetGridIconSizeL();

    79  

    80     /**

    81      * Returns the focus status of this photossuite collection

    82      */

    83     TBool Focused();

    84 	

    85     /*This returns the bitmap handle used to display the 

    86      * default thumbnail.

    87      */

    88     TInt GetBitmapHandle() const;

    89 

    90 

    91     /**

    92      * Updates  the focus value of the collection to true or false

    93      * @param aFoucs :True :  updates the collection is in focus

    94      *               :False : updates the collection is not in  focus  

    95      * 

    96      */

    97     void SetFocus(TBool aFocus );

    98     

    99     //To check if the matrix menu is in foreground or not

   100     TBool IsMatrixMenuInForegroundL();

   101 

   102     /* To register for Liw notifications 

   103      */

   104     void GetInterfaceForNotificationL();

   105     void RequestCpsNotificationL(TInt aSuiteItem);

   106     void SetupPublisherL(TInt aSuiteItem);

   107     void HandleStateChangeL(TInt aSuiteItem);

   108 

   109     /* Virtual APi which will be implemented in child classes 

   110      * Basically gives info if the item in suite has gained focus

   111      * or lost it

   112      */

   113     virtual void ActivateL(TBool aOn) = 0;

   114 

   115     /*

   116      * Creates Medialist based on the plugin id

   117      */

   118     MGlxMediaList* CreateMedialistAndAttributeContextL(const TGlxMediaId& aPluginId,

   119     		CGlxAttributeContext* aUriAttributeContext, 

   120     		CGlxAttributeContext* aThumbnailAttributeContext) const;

   121 

   122     /**

   123      * Method to fill input list for CPS add command

   124      */

   125     void FillInputListWithDataL(

   126             CLiwGenericParamList* aInParamList,

   127             const TDesC& aPublisherId, const TDesC& aContentType, 

   128             const TDesC& aContentId, TInt aHandle);

   129 

   130 	/* Cleanup medialist cache */

   131     void ContainerCacheCleanupL(MGlxMediaList* aMediaList);

   132     

   133     /* Set content harvester plugin instance */

   134     void SetCHPlugin(MGlxContentHarvesterPlugin* aCHplugin);

   135     

   136     /* Get content harvester plugin instance */

   137     MGlxContentHarvesterPlugin* GetCHPlugin();

   138   

   139 private: // data

   140 

   141     /**

   142      * Instance of CPS interface used for update with CPS.

   143      */

   144     TSize iGridIconSize;

   145     CLiwServiceHandler* iServiceHandler;

   146     CLiwGenericParamList* iInParamList;

   147     CLiwGenericParamList* iOutParamList;

   148 

   149     MLiwInterface* iCPSNotificationInterface;

   150     TGlxSequentialIterator iThumbnailIterator;    

   151     

   152     // Instance of content harvester plugin

   153     MGlxContentHarvesterPlugin* iCHplugin; 

   154 

   155     //This variable holds the value ,whether the collection is in focus or not

   156     TBool iIsFocused;

   157     

   158     //This variable is initialised with the default bitmap.

   159     CFbsBitmap* iBitmap;

   160     };

   161 #endif /*GLXCONTENTHARVESTERPLUGINBASE_H*/