author | Fionntina Carville <fionntinac@symbian.org> |
Mon, 15 Nov 2010 13:17:37 +0000 | |
branch | RCL_3 |
changeset 70 | cbd04e8af840 |
parent 67 | 940cad2b4a51 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 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: Header file of mediafiledialog. UI control of mediafilelist |
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* |
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*/ |
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#ifndef MEDIALFILEDIALOG_H |
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#define MEDIALFILEDIALOG_H |
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// INCLUDES |
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#include "mediafiledialogutils.h" |
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#include "mediafilepreview.h" |
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#include "mediafilehandler.h" |
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#include "mediafiledialogstate.h" |
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#include "mediafilewaitnote.h" |
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#include <e32base.h> |
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#include <aknlists.h> |
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#include <AknDialog.h> |
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#include <AknInfoPopupNoteController.h> // CAknInfoPopupNoteController |
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#include <eikedwin.h> |
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#include <aknsfld.h> |
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#include <peninputsrveventhandler.h> |
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#include <peninputclient.h> |
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// CONSTANTS |
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// CLASS DECLARATION |
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class CMFDialogTest; |
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class CMFProtectionHandler; |
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class CAknInputBlock; |
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class CVideoPreviewDialog; |
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/** |
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* CMFListHandlerObserver |
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* |
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* CMFListHandler uses CMFListHandlerObserver to get listbox item texts. |
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*/ |
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NONSHARABLE_CLASS (CMFListHandlerObserver) |
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{ |
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public: |
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virtual TPtrC ConstructListboxItem( TInt aListIndex ) = 0; |
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virtual TInt ListboxItemCount() = 0; |
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}; |
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/** |
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* CMFListHandler |
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* |
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* This class is used as listbox model's item array. Listbox uses it to draw |
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* list items. CMFListHandler gets list item texts from CMediaFileHandler |
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* (metadata query result). This way there is no need to copy all list items |
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* into listbox model. |
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*/ |
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NONSHARABLE_CLASS (CMFListHandler) : public MDesCArray |
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{ |
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public: |
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static CMFListHandler* NewL(); |
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~CMFListHandler(); |
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private: |
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void ConstructL(void); |
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CMFListHandler(); |
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public: // from MDesCArray |
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TInt MdcaCount() const; |
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TPtrC16 MdcaPoint(TInt aIndex) const; |
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public: |
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void SetObserver( CMFListHandlerObserver* aObserver ); |
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static void Panic( TInt aReason ); |
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private: |
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CMFListHandlerObserver* iObserver; // does not own |
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}; |
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/** |
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* CMediaFileDialog |
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* |
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* CMediaFileDialog provides UI for selecting/previewing media files. |
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*/ |
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NONSHARABLE_CLASS (CMediaFileDialog) : public CAknDialog, |
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public MEikListBoxObserver, |
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public MCoeForegroundObserver, |
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public CMFListHandlerObserver, |
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public MMediaFileHandlerObserver, |
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public MMFActiveCallerObserver, |
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public MPreviewHandlerObserver, |
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public MMediaFileWaitNoteObserver, |
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public MAdaptiveSearchTextObserver, // not used |
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public MPenUiActivationHandler |
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{ |
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#ifdef _DEBUG |
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friend class CMFDialogTest; |
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#endif |
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enum TListOperationType |
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{ |
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EAttrSelect, |
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EAttrOpen, |
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EAttrClicked, |
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EAttrDoubleClicked |
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}; |
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enum TDelayedOperationType |
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{ |
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EAttrPreview, |
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EAttrSearch, |
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EAttrChangeCba |
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}; |
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public:// Constructors and destructor |
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/** |
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* Two-phased constructor. |
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*/ |
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static CMediaFileDialog* NewL(); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CMediaFileDialog(); |
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private: |
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/** |
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* C++ default constructor. |
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*/ |
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CMediaFileDialog(); |
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/** |
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* By default Symbian OS constructor is private. |
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*/ |
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void ConstructL(); |
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public: |
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TBool ShowDialogL( TDes* aFileName, TInt* aNullItem, |
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TInt* aInfo, TDes* aDesInfo ); |
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void SetAttrL( TInt aAttr, TInt aValue ); |
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void SetAttrL( TInt aAttr, const TDesC& aValue ); |
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void SetAttrL( TInt aAttr, TAny* aValue ); |
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void SetNullItemL( const TDesC& aText, const TDesC& aMediaFile, |
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TInt aMediaFileType, TInt aIconId ); |
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private: |
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/** |
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* From MEikListBoxObserver, called by framework. |
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* @param aListBox. |
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* @param aEventType. |
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* @return None |
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*/ |
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void HandleListBoxEventL( CEikListBox* aListBox, TListBoxEvent aEventType ); |
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/** |
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* From the base class. |
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* Called by framework before the dialog is shown. |
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* @param None |
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* @return None |
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*/ |
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void PreLayoutDynInitL(); |
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/** |
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* From the base class. |
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* Called by framework before exiting the dialog. |
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* @param aButtonId Button id. |
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* @return ETrue to exit\ EFalse to not to exit. |
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*/ |
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TBool OkToExitL( TInt aButtonId ); |
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/** |
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* From the base class. |
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* Called by framework for key event handling. |
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* @param aKeyEvent. |
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* @param aType. |
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* @return Return code. |
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*/ |
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TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType ); |
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/** |
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* From the base class. |
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* Called by framework when dialog is activated. |
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* @param None. |
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* @return None. |
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*/ |
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void ActivateL(); |
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/** |
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* From the base class. |
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* Called by framework before menu is shown. |
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* @param aResourceId Menu resource id. |
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* @param aMenuPane Pointer to the menu. |
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* @return None. |
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*/ |
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void DynInitMenuPaneL( TInt aResourceID, CEikMenuPane* aMenuPane ); |
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/** |
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* From the base class. |
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* Handles menu events. |
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* @param aCommandId Command id. |
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* @return None. |
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*/ |
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void ProcessCommandL( TInt aCommandId ); |
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/** |
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* From base class. |
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* Called when UI layout changes. |
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* @param aType. |
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* @return None. |
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*/ |
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void HandleResourceChange( TInt aType ); |
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/** SetSizeAndPosition |
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* From CAknDialog. |
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* Sets dialog's size to whole main pane. |
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* @param aSize ignored |
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*/ |
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void SetSizeAndPosition( const TSize &aSize ); |
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SEikControlInfo CreateCustomControlL( TInt aControlType ); |
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virtual CCoeControl* ComponentControl( TInt aIndex ) const; |
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virtual TInt CountComponentControls() const; |
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private: |
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TBool DoHandleOKL( TInt aAttr ); |
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TBool HandleOKL( TInt aAttr ); |
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TBool DoHandleBackL(); |
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TBool HandleBackL(); |
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void SearchL(); |
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void DoSearchL(); |
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static TInt StartRomScaning( TAny* aInstance ); |
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void StartRomScan(); |
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private: |
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void ResetDialogL( TInt aError); |
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void QueryL( TInt aFolderId, TBool aDatabaseChanged = EFalse ); |
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void GetSelectedItemFileName( TInt aListboxIndex, TDes& aFileName ); |
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TInt CurrentItemListIndex(); |
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void SetIconsL(); |
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CAknSearchField* FindBox() const; |
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void ResetFindBoxL(); |
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void FindBoxCursorMoveL( TInt aType ); |
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void ShowContextMenuL( TInt aResource ); |
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void PreviewL( TInt aMediaType ); |
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void PreviewVideoL( const TDesC& aFileName ); |
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void PreviewNullItemL( TInt aFolderId ); |
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void StartPreviewWithDelay(); |
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void CancelPreview(); |
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void StartSearchWithDelay(); |
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TBool IsVideoFile( TInt aCurrentIndex ); |
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TBool IsValidVideoFileL( TInt aCurrentIndex, TInt aIntention ); |
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TInt MediaTypeIcon( TInt aListboxIndex ); |
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TInt StorageTypeIcon( TInt aListboxIndex ); |
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void GetListItemText( TInt aListboxIndex, TDes& aText ); |
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private: |
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void CheckListboxIndex(); |
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void HandleMediaFileChanged(); |
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private: |
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void UpdateListBoxL( TBool aRestFindBox = ETrue ); |
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void DoUpdateListBoxL( TBool aRestFindBox ); |
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void UpdateCbaL( TInt aAttr ); |
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TInt MapAttribute( TInt aFolderId ); |
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void ShowErrorNoteL( TInt aError ); |
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void ShowPreviewErrorNoteL( TInt aError, TInt aMediaType ); |
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void DeleteMenuItem( CEikMenuPane* aMenuPane, TInt aCommandId ); |
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CGulIcon* IconL(TAknsItemID aId, const TDesC& aFileName, TInt aFileIndex, |
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TInt aFileMaskIndex); |
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CGulIcon* IconL(TAknsItemID aId, const TDesC& aFileName, TInt aFileIndex, |
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TInt aFileMaskIndex, TAknsQsnIconColorsIndex colorIndex); |
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static TInt CloseDialog( TAny *aObj ); |
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void CloseDialogWithDelayL(); |
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private: |
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void ShowWaitNoteL( TBool aDatabaseChanged ); |
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void ShowPopupNoteL( const TDesC& aText ); |
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void ShowDetailsPopupL(); |
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void GetPopupText( CMediaFileData* aData, TDes& aText ); |
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TBool MatchFound( const TDesC& aAttribute, const TDesC& aText ); |
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67
940cad2b4a51
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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changeset
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private: |
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static void Panic( TInt aReason ); |
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private: // from CMFListHandlerObserver |
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TPtrC ConstructListboxItem( TInt aListboxIndex ); |
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TInt ListboxItemCount(); |
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private: // from MPreviewHandlerObserver |
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void HandlePreviewEventL( TInt aEvent, TInt aError ); |
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private: // from MMediaFileHandlerObserver |
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void HandleMFEventL( TInt aEvent, TInt aError ); |
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private: // from MMFActiveCallerObserver |
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void HandleActiveCallL( TInt aCallId ); |
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private: //from MCoeControlObserver |
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void HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType ); |
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private: // from MCoeForegroundObserver |
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void HandleGainingForeground(); |
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void HandleLosingForeground(); |
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private: // from MAdaptiveSearchTextObserver |
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void AdaptiveSearchTextChanged( CAknSearchField* aSearchField ); |
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private: // from MPenUiActivationHandler |
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void OnPeninputUiDeactivated(); |
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void OnPeninputUiActivated(); |
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private: // MMediaFileWaitNoteObserver |
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void HandleWaitNoteL( TInt aButtonId ); |
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#ifdef _DEBUG |
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private: // test code |
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CMFDialogTest* iTest; |
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#endif |
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private: |
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// listbox |
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CAknSingleGraphicStyleListBox* iListBox; |
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// for title and icon handling |
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CStatusPaneHandler* iStatusPaneHandler; |
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// long buffer for string handling |
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TBuf<KBufSize256> iBuf; |
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// long buffer for string handling |
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TBuf<KBufSize256> iPopupText; |
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// long buffers for listbox items |
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TBuf<KBufSize128> iListboxItemText1; |
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TBuf<KBufSize256> iListboxItemText2; |
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// text from search field |
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TBuf<KBufSize128> iSearchText; |
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// long buffers for icon file names |
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TFileName iIconFileName; |
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// list box model item array |
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CMFListHandler* iMFListHandler; |
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// dialog state |
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CMediaFileDialogState* iState; |
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// metadata engine wrapper |
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CMediaFileHandler* iMediaFileHandler; |
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// search box |
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CAknSearchField* iFindCtrl; |
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// for generating active object calls |
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CMFActiveCaller* iCaller; |
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CMFActiveCaller* iSearchCaller; |
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// for previewing video files |
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CMFVideoPreviewHandler* iVideoPreviewHandler; |
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// for previewing audio files |
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CMFAudioPreviewHandler* iAudioPreviewHandler; |
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// popup note |
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CAknInfoPopupNoteController* iPopupNote; |
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// cancel note in case database query takes more than 2 seconds |
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CMediaFileWaitNote* iWaitNote; |
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// needed for finding out whether search field is in pen input mode |
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RPeninputServer iPeninputServer; |
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// for file protection information (drm etc) |
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CMFProtectionHandler* iProtectionHandler; |
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// for closing dialog |
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CIdle* iIdle; |
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TBool ifilevalid; |
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// is dialog in foreground (visible) |
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TBool iForeGround; |
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// dll resource file id |
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TInt iResourceFileId; |
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// is metadata databse open |
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TBool iDatabaseOpen; |
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// is pen input active |
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TBool iPeninputActive; |
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// dialog attribute values |
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HBufC* iNullItemFileNameOne; |
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HBufC* iNullItemFileNameTwo; |
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TInt iNullItemFileTypeOne; |
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TInt iNullItemFileTypeTwo; |
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TBuf<KBufSize128> iDialogTitle; |
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CAknInputBlock* iInputBlock; |
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// dialog output parameters |
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// selected media file |
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TDes* iFileName; |
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// selected null item |
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TInt*iNullItem; |
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// extra parameter for later use |
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TInt* iInfo; |
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// extra parameter for later use |
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TDes* iDesInfo; |
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//is double clicked the item of the listbox |
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TBool iIsDoubleClicked; |
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TBool iFileisvalid; |
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// Video preview dialogue, model dialog |
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CVideoPreviewDialog* iVideoPreviewDlg; |
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}; |
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/** |
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* CFindControl |
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* |
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* Search field functionality (CFindControl) is copied from |
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* AknSelectionLis (s60/mw/classicui/uifw/AvKon/src/AknSelectionList.cpp). |
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* Example code can also be found in |
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* s60/app/imppapplications/wvuing/wvuiave/AppSrc/CCAContactSelectionDialog.cpp |
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*/ |
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NONSHARABLE_CLASS (CFindControl) : public CCoeControl |
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{ |
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public: |
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CAknSearchField *iFind; |
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~CFindControl() { delete iFind; } |
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void Draw(const TRect &) const |
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{ |
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// this removes flicker from CEikDialog's Draw(). |
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} |
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void SizeChanged() |
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{ |
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TRect mainPane; |
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AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EMainPane, mainPane ); |
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TAknLayoutRect listRect; |
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listRect.LayoutRect( mainPane, AknLayout::list_gen_pane(0) ); |
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TRect r( listRect.Rect() ); |
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iPosition = TPoint( r.iTl ); |
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iSize.SetSize( r.Width(), r.Height() ); |
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} |
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TSize MinimumSize() |
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{ |
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if ( iFind ) |
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{ |
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if ( iFind->Size() != TSize( 0, 0 ) ) |
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{ |
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return iFind->Size(); |
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} |
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} |
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return iSize; |
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} |
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}; |
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#endif // MEDIALFILEDIALOG_H |
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// End of File |