1 /*

     2 * Copyright (c) 2002 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:  A thin CAknPopupList extension.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CFLDPOPUPLIST_H

    21 #define CFLDPOPUPLIST_H

    22 

    23 // INTERNAL INCLUDES

    24 #include "MFLDFileListBoxObserver.h" // For TFileListSoftKeyState

    25 

    26 // EXTERNAL INCLUDES

    27 #include <aknPopup.h>

    28 #include <coemain.h> // For MCoeForegroundObserver

    29 

    30 // FORWARD DECLARATIONS

    31 class MFLDFileObserver;

    32 class CFLDFileListModel;

    33 

    34 // CLASS DECLARATION

    35 

    36 /**

    37 *  A thin CAknPopupList extension.

    38 *  Prevents closing the pop-up if the pop-up observer so wishes.

    39 *

    40 *  @lib filelist.lib

    41 *  @since 2.1

    42 */

    43 NONSHARABLE_CLASS( CFLDPopupList )

    44  : public CAknPopupList, public MCoeForegroundObserver, public MCoeFocusObserver

    45     {

    46 

    47 

    48     public: // New methods

    49 

    50 		/**

    51 		* Two-phased constructor.

    52 		* @param aListbox A parameter to CAknPopupList.

    53 		* @param aCbaResource A parameter to CAknPopupList.

    54         * @param aFileObserver File observer.

    55         * @param aListBoxObserver Listbox observer, can be NULL.

    56         * @param aModel Filelist Model.

    57 		* @param aType A parameter to CAknPopupList.

    58 		*/

    59 		static CFLDPopupList* NewL(

    60 			CEikListBox* aListBox,

    61 			TInt aCbaResource,

    62 			MFLDFileObserver& aFileObserver,

    63             MFLDFileListBoxObserver* aListBoxObserver,

    64 			CFLDFileListModel& aModel,

    65 			AknPopupLayouts::TAknPopupLayouts aType = AknPopupLayouts::EMenuWindow );

    66 		

    67 		void ConstructL(CEikListBox* aListBox, TInt aCbaResource, AknPopupLayouts::TAknPopupLayouts aType );

    68 

    69 

    70 		/**

    71         * Destructor.

    72         */	

    73 		virtual ~CFLDPopupList();

    74 

    75 		/**

    76 		* Returns Popuplist RWindow handle

    77 		*/

    78 		RWindow& PopupListWindow() const;

    79 

    80 		/**

    81 		* Populates icon array and updates ListBox

    82 		*/

    83 		void PopulateIconArrayL();

    84 

    85 		/**

    86 		* Cancels audio/video preview

    87 		*/

    88 		void CancelPreview();

    89 		

    90 		/**

    91 		* Handles pointer events of popups.

    92 		*/

    93 		void HandlePointerEventL(const TPointerEvent& aPointerEvent);

    94 		

    95 		/**

    96 		 * Returns FileListBoxObserver.

    97 		 */

    98 		MFLDFileListBoxObserver* GetFileListBoxObserver();

    99 

   100     private:	// From CAknPopupList

   101         void AttemptExitL( TBool aAccept );

   102         void HandleResourceChange(TInt aType);

   103         void HandleListBoxEventL(CEikListBox* aListBox, TListBoxEvent aEventType);

   104         

   105 	private:	// From MCoeForegroundObserver

   106         void HandleGainingForeground();

   107         void HandleLosingForeground();        

   108 

   109 	private:	// From MCoeFocusObserver

   110         void HandleChangeInFocus();

   111     	void HandleDestructionOfFocusedItem();

   112 

   113 	private:

   114 

   115 		/**

   116 		* C++ constructor.

   117         * @param aFileObserver File observer.

   118         * @param aListBoxObserver Listbox observer, can be NULL.

   119         * @param aModel Filelist Model.

   120 		*/

   121 		CFLDPopupList(

   122 			MFLDFileObserver& aFileObserver,

   123             MFLDFileListBoxObserver* aListBoxObserver,

   124 			CFLDFileListModel& aModel );

   125 

   126 	private: // New methods

   127 

   128     private:    // Data

   129 

   130         /// File observer

   131         MFLDFileObserver& iFileObserver;

   132 

   133         /// Ref: Listbox observer

   134         MFLDFileListBoxObserver* iListBoxObserver;

   135 

   136 		/// FileList Model

   137 		CFLDFileListModel& iModel;

   138 

   139 

   140 		/// Current softkeystate

   141 		MFLDFileListBoxObserver::TFileListSoftKeyState iSoftKeyState;

   142 

   143 

   144 		TFileName iCurrentFileName;

   145 

   146 		// Have the checks in AttemptExitL been done already

   147 		TBool iExitChecksDone;

   148 		TPoint iPoint;

   149     };

   150 

   151 #endif      // CFLDPOPUPLIST_H

   152 

   153 // End of File