photosgallery/slideshow/settingsdialog/src/shwslideshowsettingslist.h
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     1 /*
       
     2 * Copyright (c) 2007 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:    Slideshow settings dialog implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 #ifndef SHWSLIDESHWSETTINGSLIST_H
       
    23 #define SHWSLIDESHWSETTINGSLIST_H
       
    24 
       
    25 //  EXTERNAL INCLUDES
       
    26 #include <eiklbo.h>					// for MEikListBoxObserver
       
    27 #include <aknsettingitemlist.h>		// for CAknSettingItem
       
    28 #include <MMGFetchVerifier.h>		// for MMGFetchVerifier
       
    29 #include <caf/content.h>			// for ContentAccess::CContent
       
    30 #include <caf/data.h>				// for ContentAccess::CData
       
    31 
       
    32 //  INTERNAL INCLUDES
       
    33 
       
    34 
       
    35 //  FORWARD DECLARATIONS
       
    36 class CRepository;
       
    37 class CShwSettingsModel;
       
    38 class TShwEffectInfo;
       
    39 
       
    40 /**
       
    41  * @author Loughlin Spollen
       
    42  * The slide show settings list - contained with the settings dialog
       
    43  * @lib shwslideshowengine.lib
       
    44  * @internal reviewed 08/06/2007 by Kimmo Hoikka
       
    45  */
       
    46 NONSHARABLE_CLASS (CShwSlideShowSettingsList) : public CAknSettingItemList,
       
    47 								 			    public MMGFetchVerifier
       
    48 	{
       
    49 	public:  // Constructors and destructor
       
    50 		/**
       
    51         * Symbian default constructor.
       
    52         * @param aShwSettings setting values for music state, default path 
       
    53         *		 and track default effect ECOM plugin UID and effect index 
       
    54         *		 within the effect ECOM plugin
       
    55         */
       
    56 		static CShwSlideShowSettingsList* NewL(CShwSettingsModel& aShwSettings);
       
    57 	
       
    58 		/**
       
    59 		* Destructor
       
    60 		*/
       
    61 		~CShwSlideShowSettingsList();
       
    62 													 
       
    63 	public: //from CAknSettingItemList
       
    64 	
       
    65 		// @ref CAknSettingItemList::CreateSettingItemL
       
    66 		CAknSettingItem* CreateSettingItemL(TInt aIdentifier);
       
    67 		
       
    68 		// @ref CAknSettingItemList::HandleListBoxEventL
       
    69 		void HandleListBoxEventL(CEikListBox* aListBox,
       
    70 				       			  	  TListBoxEvent aEventType);
       
    71 
       
    72 	public: 
       
    73 
       
    74 		/**
       
    75 		* Update the list box.
       
    76 		* @param The List box item index to be updated
       
    77 		* @param Whether the event originated from a key press or menu command
       
    78 		*/	
       
    79         void UpdateListBoxL(TInt aListBoxIndex, TInt aKeyEvent = EFalse);
       
    80 		
       
    81 		/**
       
    82 		* Update the music on/off control and the coupled
       
    83 		* music file name.
       
    84 		*/	
       
    85 		void UpdateMusicStateL();
       
    86 
       
    87 		/**
       
    88 		* Update the music file name and path
       
    89 		*/			
       
    90 		void UpdateMusicFileNamePathL();
       
    91 		
       
    92 		/**
       
    93 		* Update the transition delay between images
       
    94 		*/	
       
    95 		void UpdateTransDelayL();
       
    96 
       
    97 		/**
       
    98 		* Update the transition effect between images
       
    99 		*/	
       
   100 		void UpdateTransEffectL(TBool aKeyEvent);
       
   101 
       
   102 
       
   103     private:	
       
   104 		/**
       
   105         * C++ default constructor.
       
   106         * @param aShwSettings setting values for music state, default path 
       
   107         *		 and track default effect ECOM plugin UID and effect index 
       
   108         *		 within the effect ECOM plugin
       
   109         */
       
   110 		CShwSlideShowSettingsList(CShwSettingsModel& aShwSettings);
       
   111 
       
   112 		/**
       
   113 		* 2nd stage constructor
       
   114 		*/
       
   115         void ConstructL();
       
   116 	
       
   117 	
       
   118 	private: 
       
   119 
       
   120 	
       
   121 		/**
       
   122         * Launch MGFetch for filename fetch
       
   123         */
       
   124 		void FetchFileNameFromUserL();		
       
   125 		
       
   126 		/**
       
   127         * Remove the music settings and set the default setting
       
   128         * values
       
   129         */
       
   130 		void ResetMusicDefaultsL();
       
   131 
       
   132 		
       
   133 		/**
       
   134         * Validate the DRM rights for the music track file
       
   135 		* @return TBool ETrue if valid for track selection
       
   136         */
       
   137 		TBool ValidateDRML();
       
   138 
       
   139 		/**
       
   140         * Show error note
       
   141 		* @param aResourceId resource id of text string
       
   142 		*/
       
   143 		void ShowErrorNoteL(TInt aResourceId) const;
       
   144 
       
   145 
       
   146 		/**
       
   147         * Check if iFileName exists
       
   148 		* @return ETrue if exists
       
   149         */
       
   150 		TBool FileNameExistsL();		
       
   151 		
       
   152 		/**
       
   153         * Change the state of the music enabled setting
       
   154         */
       
   155 		void SetMusicStateL(TBool aNewMusicState);
       
   156 		
       
   157 		/**
       
   158         * Change the direction/order of slide show play
       
   159         */
       
   160 		void SetPlayDirectionL(TBool aNewPlayDirection);
       
   161 		
       
   162     	/**
       
   163     	* Ask for user confirmation of a given query using a dialog
       
   164     	* @param aQueryResourceId The query resource string ID
       
   165     	* @return True if the user confirmed the query, otherwise false
       
   166     	*/
       
   167     	TBool ConfirmationQueryL(TInt aQueryStrId);
       
   168 
       
   169         /**
       
   170         * Check if the only files that can be played are DRM protected
       
   171         * @return ETrue if the only file that can be played are DRM protected
       
   172         *       otherwise EFalse
       
   173         */
       
   174         TBool PlayOnlyDRMProtectedFilesL();
       
   175         
       
   176         /**
       
   177         * Read the values present in rss file and do required conversion
       
   178         * @param aResourceId resource string ID
       
   179         * @return converted value
       
   180         */
       
   181         HBufC* ReadLBufStringL(const TInt aResourceId);
       
   182 
       
   183 	private: // from MMGFetchVerifier
       
   184 
       
   185 		/**
       
   186 		* @ref MMGFetchVerifier::VerifySelectionL
       
   187 		*/
       
   188         TBool VerifySelectionL(const MDesCArray* aSelectedFiles);
       
   189 
       
   190 	private: //data
       
   191 	
       
   192 		class CShwTransEffectEnumPopupSettingItem;
       
   193 		class CShwTransEffectBinaryPopupSettingItem;
       
   194 		// Add our own setting page and item to fix
       
   195 		// EEBD-79UL8Q - "no naviscroll support in slideshow settings"
       
   196 		class CShwSliderSettingPage;
       
   197 		class CShwSliderSettingItem;
       
   198 		
       
   199 		// Music On/Off Setting
       
   200 		TBool iMusicState;
       
   201 		
       
   202 		//Play direction
       
   203 		TBool iPlayDirection;
       
   204 		
       
   205 		// Number of transition effects
       
   206 		TUint iEffectsCount;
       
   207 		
       
   208 		// Array of Transition effects
       
   209 		RArray<TShwEffectInfo> iEffects;
       
   210 		
       
   211 		// Music filename Setting
       
   212 		RBuf iMusicNamePath;
       
   213 		
       
   214 		// The transition delay between images
       
   215 		TInt iTransDelay;
       
   216 				
       
   217 		// Not Owned: Slideshow settings 
       
   218 		CShwSettingsModel& iShwSettings;
       
   219         		
       
   220         // Owned: The Central Repository
       
   221         CRepository* iRepository;
       
   222         
       
   223 	};
       
   224 
       
   225 #endif // SHWSLIDESHWSETTINGSLIST_H