--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarksui/uicontrols/inc/CLmkSelectorImplBase.h Tue Feb 02 00:16:03 2010 +0200
@@ -0,0 +1,193 @@
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: LandmarksUi Content File - Selector functionality common to both application (view-based) and
+ common ui components (dialog-based).
+*
+*/
+
+
+
+
+
+
+
+#ifndef CLMKSELECTORIMPLBASE_H
+#define CLMKSELECTORIMPLBASE_H
+
+// INCLUDES
+#include "MLmkListProviderObserver.h"
+#include <EPos_Landmarks.h> // Lm typedefs, constants etc.
+
+// FORWARD DECLARATIONS
+class CPosLandmarkDatabase;
+class CLmkListProviderBase;
+class CLmkSelectorIconMgr;
+class CAknIconArray;
+class CLmkUiUtils;
+class MLmkListMemento;
+class CEikListBox;
+class CEikonEnv;
+
+// CLASS DECLARATION
+
+/**
+* Selector functionality common to both application (view-based) and
+* common ui components (dialog-based).
+*
+*/
+class CLmkSelectorImplBase
+: public CBase,
+ public MLmkListProviderObserver
+ {
+ public: // Constructors and destructor
+ /**
+ * Destructor.
+ */
+ ~CLmkSelectorImplBase();
+
+ public: // New functions
+ /**
+ * Sets memento to be used by this class. Memento's
+ * lifetime must be at least as long as this class's lifetime.
+ * @param aMemento
+ */
+ IMPORT_C void SetMemento( MLmkListMemento& aMemento );
+
+ /**
+ * Creates a memento (but does not set it with SetMemento()).
+ * @return created memento, ownership is transferred
+ */
+ virtual MLmkListMemento* MementoL() = 0;
+
+ /**
+ * Template method implemented by the subclass and called by
+ * the base class.
+ */
+ virtual void SetupListProviderL() = 0;
+
+ /**
+ * Template method implemented by the subclass and called by
+ * the base class. Needed since composite selector doesn't
+ * have own list provider but it utilizes other providers.
+ * @return CLmkListProviderBase reference
+ */
+ virtual const CLmkListProviderBase& ListProvider() const = 0;
+
+ /**
+ * Return number of visible items
+ * @return TInt
+ */
+ virtual TInt ListVisibleItemCount() = 0;
+
+ /**
+ * Return number of marked items
+ * @return TInt
+ */
+ virtual TInt ListMarkedItemCountL() = 0;
+
+ protected: // New functions
+ /**
+ * Helper method which creates icon array and icon manager, sets
+ * default icons and gives icon manager reference to list provider.
+ * @return created icon array, left in the cleanup stack
+ */
+ CAknIconArray* SetupIconMgrLC();
+
+ /**
+ * Helper method for storing listbox state.
+ * @param aListbox
+ * @param aProvider
+ * @param aFiltered
+ */
+ void Store( const CEikListBox& aListBox,
+ const CLmkListProviderBase& aProvider,
+ TBool aFiltered );
+
+ /**
+ * Helper method for restoring listbox state
+ * @param aListbox
+ * @param aProvider
+ * @param aFiltered
+ */
+ void Restore( const CEikListBox& aListBox,
+ const CLmkListProviderBase& aProvider,
+ TBool aFiltered );
+
+ protected: // From MLmkListProviderObserver
+ void HandleListProviderEvent( TLmkListProviderEventType aEvent );
+
+ protected: // Constructors and destructor
+ /**
+ * C++ default constructor.
+ * @param aDb
+ * @return newly instantiated object
+ */
+ CLmkSelectorImplBase( CPosLandmarkDatabase& aDb );
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void BaseConstructL();
+
+ protected: // Data
+
+ ///Ref:
+ CPosLandmarkDatabase& iDb;
+
+ ///Ref:
+ MLmkListMemento* iMemento;
+
+ ///Own:
+ CLmkListProviderBase* iListProvider;
+
+ ///Own:
+ CLmkSelectorIconMgr* iIconMgr;
+
+ ///Own:
+ CLmkUiUtils* iLmkUiUtils;
+
+ private: // Internal classes
+
+ // This struct-like class is used for postponing memento.
+ // It does not own any heap data.
+ class TLmkRestoreData
+ {
+ public: // Constructor:
+ TLmkRestoreData();
+
+ public: // Public data:
+ TBool iRestoreRequested;
+ const CEikListBox* iListBox;
+ const CLmkListProviderBase* iProvider;
+ TBool iFiltered;
+ };
+
+ private: // Data
+ // These should not be used by subclasses, their content is
+ // guaranteed to be correct only within this class.
+
+ ///Latest provider event recorded by this class
+ TLmkListProviderEventType iSelectorImplBaseLatestListEvent;
+
+ ///Contains information for possible postponed memento operation
+ TLmkRestoreData iRestoreData;
+
+ protected:
+ // Ref
+ CEikonEnv* iEnv;
+ };
+
+#endif // CLMKSELECTORIMPLBASE_H
+
+// End of File