author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 19 Aug 2010 09:55:03 +0300 | |
branch | RCL_3 |
changeset 57 | ea65f74e6de4 |
parent 35 | 420f6808bf21 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 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 : Grid view Observers |
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* |
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*/ |
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#ifndef GLXGRIDVIEWMLOBSERVER_H_ |
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#define GLXGRIDVIEWMLOBSERVER_H_ |
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// Photos Headers |
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#include <mglxmedialistobserver.h> |
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#include <glxfiltergeneraldefs.h> |
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// CONSTANTS |
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const TInt KNoOfPages(3); |
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const TInt KBufferTresholdSize(3); // in rows |
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// FORWARD DECLARATIONS |
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class CGlxMediaList; |
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class CHgGrid; |
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class CGlxDRMUtility; |
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class MHgScrollBufferObserver; |
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//class CHgContextUtility; |
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// CLASS DECLARATION |
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class CGlxGridViewMLObserver: public CBase, |
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public MGlxMediaListObserver |
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{ |
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public: |
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/** |
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* Two-phased constructor. |
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* |
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* @return Pointer to newly created object. |
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*/ |
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IMPORT_C static CGlxGridViewMLObserver* NewL( |
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MHgScrollBufferObserver& aHgScrollBufferObs, |
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MGlxMediaList& aMediaList, CHgGrid* aHgGrid, |
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TGlxFilterItemType aFilterType = EGlxFilterVideoAndImages); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CGlxGridViewMLObserver(); |
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public: // from MGlxMediaListObserver |
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void HandleItemAddedL( TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList ); |
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void HandleItemRemovedL( TInt aStartIndex, TInt aEndIndex, MGlxMediaList*/* aList */); |
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void HandleAttributesAvailableL( TInt aItemIndex, |
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const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList ); |
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void HandleFocusChangedL( NGlxListDefs::TFocusChangeType aType, |
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TInt aNewIndex, TInt aOldIndex, MGlxMediaList* aList ); |
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void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList ); |
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void HandleMessageL( const CMPXMessage& aMessage, MGlxMediaList* aList ); |
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void HandleError( TInt aError ); |
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void HandleCommandCompleteL( CMPXCommand* aCommandResult, TInt aError, |
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MGlxMediaList* aList ); |
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void HandleMediaL( TInt aListIndex, MGlxMediaList* aList ); |
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void HandleItemModifiedL( const RArray<TInt>& aItemIndexes, MGlxMediaList* aList ); |
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void HandlePopulatedL( MGlxMediaList* aList ); |
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private: |
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/** |
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* C++ default constructor. |
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*/ |
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CGlxGridViewMLObserver(MHgScrollBufferObserver& aHgScrollBufferObs, |
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MGlxMediaList& aMediaList, CHgGrid* aHgGrid, |
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TGlxFilterItemType aFilterType); |
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/** |
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* By default Symbian 2nd phase constructor is private. |
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*/ |
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void ConstructL(); |
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/** |
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* HandleErrorL is added to make the compiler happy by reducing codescanner warnings |
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* No extra purpose |
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*/ |
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void HandleErrorL(); |
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/** |
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* Checks the availability of relevant thumbnail(Quality or Speed) attribute |
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* @param aIndex Media index to check the thumbnail attribute |
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* @return ETrue if relevant thumbnail available |
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* EFalse if relevant thumbnail not available |
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*/ |
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TBool HasRelevantThumbnail(TInt aIndex); |
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/** |
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* RefreshScreenL - Refreshes the Hg Grid based on the attributes available index |
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* |
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*/ |
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void RefreshScreenL(TInt aItemIndex,const RArray<TMPXAttribute>& aAttributes); |
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/** |
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* UpdateItemsL - Update the items with the DRM/video icon and date/time |
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* |
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*/ |
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void UpdateItemsL (TInt aItemIndex,const RArray<TMPXAttribute>& aAttributes); |
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/** |
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* DisplayErrorNoteL - Show an error note based on input parameter |
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* @param aError The error based on which the error note is to be shown. |
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*/ |
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void DisplayErrorNoteL(TInt aError); |
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/** |
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* SetDefaultIconL - Sets the default icon for grid. |
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* @param aTransparent - ETrue to set transparent icon; EFalse to set default icon. |
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*/ |
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void SetDefaultIconL(TBool aTransparent); |
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/** |
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* SetIconL - Sets the grid cell icon with the given parameters |
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* @param aItemIndex - The grid cell index |
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* @param aBitmapId - The bitmap id |
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* @param aMaskId - The mask id |
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* @param aFlags - The indicator flags |
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*/ |
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void SetIconL(TInt aItemIndex, TInt aBitmapId, TInt aMaskId, TInt aFlags); |
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private: |
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// Hg Grid scroll buffer observer |
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MHgScrollBufferObserver& iHgScrollBufferObs; |
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MGlxMediaList& iMediaList; |
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// Instance of HG Grid |
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CHgGrid* iHgGrid; |
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// Provides DRM related functionality |
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CGlxDRMUtility* iDRMUtility; |
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TSize iGridIconSize; |
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// The Resource file name from which icons to be read |
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TFileName iIconsFileName; |
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//No of visible items in a page/view |
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TInt iItemsPerPage; |
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//Flag to indicate the grid default icon set status |
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TBool iIsDefaultIconSet; |
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// Variable to check if the error in disk (e.g disk error) has been shown to the user. |
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// If a disk is full the user should not be intimated everytime over and over again. |
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TInt iDiskErrorIntimated; |
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// Modified Indexes array to refresh the screen |
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RArray<TInt> iModifiedIndexes; |
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//Grid Thumbnail Attribs |
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TMPXAttribute iQualityTnAttrib; |
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TMPXAttribute iSpeedTnAttrib; |
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// Filtertype, Image / Video |
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TGlxFilterItemType iFilterType; |
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}; |
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#endif //GLXGRIDVIEWMLOBSERVER_H_ |