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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: Slideshow command handler
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*
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*/
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#ifndef C_GLXCOMMANDHANDLERSLIDESHOW_H
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#define C_GLXCOMMANDHANDLERSLIDESHOW_H
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#include <e32base.h>
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#include <shwconstants.h> // for playback direction
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#include <glxmedialistcommandhandler.h>
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#include <mglxmedialistobserver.h> // for media list observer
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// Forward Declarations
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class CGlxDefaultAttributeContext;
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class MGlxMediaListProvider;
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class TGlxMedia;
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class CGlxUiUtility;
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/**
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* @class CGlxCommandHandlerSlideshow
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*
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* Command handler that either launches slideshow with the selected items
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* from a media list or launches the slideshow settings.
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* @internal reviewed 07/06/2007 by Kimmo Hoikka
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*/
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NONSHARABLE_CLASS (CGlxCommandHandlerSlideshow) :
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public CGlxMediaListCommandHandler,
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public MGlxMediaListObserver
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{
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public:
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/**
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* Two-phase constructor
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* @param aMediaListProvider object that provides the media list
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* @param aStepBack EFalse if the command handler should not change
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* the path's level. E.g. this may depend on whether the view's media
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* list contains media items or if it is a "list of lists"
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* @param aHasToolbarItem Whether Command Should be toolbar item (ETrue - if toolbar item)
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* @param aFileName resource file
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*/
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IMPORT_C static CGlxCommandHandlerSlideshow* NewL(
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MGlxMediaListProvider* aMediaListProvider, TBool aStepBack,
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TBool aHasToolbarItem, const TDesC& aFileName);
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/** Destructor */
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IMPORT_C ~CGlxCommandHandlerSlideshow();
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protected:
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/** @ref CGlxMediaListCommandHandler::ActivateL */
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void DoActivateL(TInt aViewId);
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/** @ref CGlxMediaListCommandHandler::DoExecuteL */
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TBool DoExecuteL(TInt aCommandId, MGlxMediaList& aList);
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/// @ref CGlxMediaListCommandHandler::DoIsDisabled
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TBool DoIsDisabled(TInt aCommandId, MGlxMediaList& aList) const;
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/// @ref CGlxMediaListCommandHandler::BypassFiltersForExecute
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TBool BypassFiltersForExecute() const;
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/// @ref CGlxCommandHandler::PopulateToolbar
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void PopulateToolbarL();
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private: // From MGlxMediaListObserver
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void HandleItemAddedL(TInt aStartIndex, TInt aEndIndex,
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MGlxMediaList* aList);
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void HandleMediaL(TInt aListIndex, MGlxMediaList* aList);
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void HandleItemRemovedL(TInt aStartIndex, TInt aEndIndex,
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MGlxMediaList* aList);
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void HandleItemModifiedL(const RArray<TInt>& aItemIndexes,
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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, TInt aNewIndex,
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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 HandlePopulatedL( MGlxMediaList* aList );
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private:
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/** Second phase constructor */
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void ConstructL(const TDesC& aFileName);
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/** Constructor */
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CGlxCommandHandlerSlideshow(MGlxMediaListProvider* aMediaListProvider,
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TBool aStepBack, TBool aHasToolbarItem );
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/**
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* Helper function to activate the view with the relevant playback
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* direction
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*/
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void ActivateViewL( NShwSlideshow::TPlayDirection aPlaybackDirection );
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/**
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* Called when the owning view is deactivated
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*/
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void Deactivate();
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/**
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* To check whether the focused container contains any slideshow playable item.
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* @param aCommandId The Command id
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* @param aList MediaList reference
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* @return TBool ETrue if container is not slideshow playable
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*/
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TBool IsSlideshowNotPlayableOnFocusedContainer(TInt aCommandId, MGlxMediaList& aList);
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/**
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* To update the floating toolbar in case of non-touch
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*/
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void UpdateToolbar();
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private:
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// ID of owning view
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TInt iViewId;
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// Not owned - HUI utility
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CGlxUiUtility* iUiUtility;
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/// Resource file offset
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TInt iResourceOffset;
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// Flag to control where in the list we should be
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TBool iStepBack;
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// Buffer used by the stream
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CBufFlat* iBufFlat;
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// Storage buffer to pass the path to the view
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HBufC* iBuffer;
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/** Whether the command is shown in the active palette */
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TBool iShowInToolbar;
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};
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#endif // C_GLXCOMMANDHANDLERSLIDESHOW_H
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