--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/notepad/notepad1/inc/NpdModel_platsec.h Tue Feb 02 10:12:19 2010 +0200
@@ -0,0 +1,359 @@
+/*
+* Copyright (c) 2002 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: Declaration of Notepad Model class.
+*
+*/
+
+
+#ifndef NPDMODEL_PLATSEC_H
+#define NPDMODEL_PLATSEC_H
+
+// INCLUDES
+#include <d32dbms.h>
+#include "NpdCoreModel.h"
+#include "NpdModelObserver.h"
+
+// CONSTANTS
+const TInt KNotepadModelInvalidIndex(-1);
+const TInt KNotepadInvalidKeyId(-1);
+
+// FORWARD DECLARATIONS
+class RFs;
+class MNotepadModelObserver;
+
+// CLASS DECLARATION
+/**
+* Engine of NpdLib.
+* CNotepadModel is the engine of Notepad Library.
+* This class has an array of texts for listing data in a text list box.
+*
+* @lib NpdLib.lib
+* @see CNotepadCoreModel, CNotepadTableModel
+*/
+class CNotepadModel : public CNotepadCoreModel,
+ public MDesCArray
+ {
+ public: // Constuctor and destructor
+ enum TNotepadModelFlag
+ {
+ ENotepadRequireDbViewUpdate = 0x01,
+ ENotepadRequireItemArrayUpdate = 0x02,
+ ENotepadIsDeleting = 0x04,
+ ENotepadIsRemovingLinks = 0x08,
+ ENotepadItemArrayUpdateOnly = 0x10
+ };
+
+ /**
+ * Constructor.
+ *
+ * @param aFs file server session.
+ * @param aResId resource id of type STRUCT NOTEPAD_MODEL.
+ * @return new CNotepadModel object.
+ */
+ IMPORT_C static CNotepadModel* NewL(RFs& aFs, TInt aResId);
+
+ /**
+ * Destructor.
+ */
+ IMPORT_C virtual ~CNotepadModel();
+
+ public: // New functions
+
+ /**
+ * Save text as a memo.
+ * API for SaveAsMemo.
+ *
+ * @param aText text to save
+ */
+ IMPORT_C void AddContentL(const TDesC& aText);
+
+ /**
+ * Open (or create) a datafile.
+ *
+ * If already opened, do nothing.
+ * If there is no datafile, create a new datafile.
+ *
+ * @deprecated
+ * @internal
+ */
+ IMPORT_C void OpenL();
+
+ /**
+ * Close a datafile.
+ *
+ * @deprecated
+ * @internal
+ */
+ IMPORT_C void Close();
+
+ /**
+ * Return ETrue if it is opened now.
+ *
+ * @return ETrue if opened.
+ * @internal
+ * @deprecated
+ */
+ IMPORT_C TBool IsOpen();
+
+ // Query
+
+ /**
+ * Return key UID of specified item.
+ *
+ * @return key of specified item.
+ */
+ inline TInt Key(TInt aItemIndex) const;
+
+ /**
+ * Return iKeyArray (for Editor to create a sequence).
+ *
+ * @return internal iKeyArray.
+ */
+ inline const RArray<TInt>& KeyArray() const;
+
+ /**
+ * Seek a specified key UID in item array.
+ *
+ * @param aKey key to seek.
+ * @return 0 if found.
+ */
+ IMPORT_C TInt SeekKey(const TInt aKey);
+
+ /**
+ * Return content of the item.
+ *
+ * Caller own a returned object.
+ *
+ * @param aItemIndex target index.
+ * @return text content of specified item.
+ */
+ HBufC* ContentL( TInt aItemIndex );
+
+ /**
+ * Return an index of the key.
+ *
+ * @param aKey unique key id.
+ * @return index if found, KNotepadModelInvalidIndex if not found
+ */
+ TInt IndexOf(const TInt aKey) const;
+
+ /**
+ * Return ETrue if deleting process is running.
+ *
+ * @return ETrue if iExecuter is running for deletion.
+ */
+ inline TBool IsDeleting() const;
+
+ // Update
+
+ /**
+ * Refresh the text array.
+ *
+ * This function should be called if date has changed.
+ */
+ void HandleDateChangedL(TBool aSyncNow);
+
+ /**
+ * Start deleting process.
+ * This method gives an incremental version of deletion.
+ *
+ * @param aKeys keys of items to be deleted.
+ */
+ void DeleteByKeysL(const RArray<TInt>& aKeys);
+
+ /**
+ * Cancel deleting process if running.
+ */
+ void CancelDeletion();
+
+ /**
+ * Sync iDbView, iItemArray and iKeyArray.
+ *
+ * @param aForceSync force sync.
+ * @return ETrue if any change on iDbView, iItemArray or iKeyArray.
+ */
+ /*TBool*/ void SyncL( const TBool aForceSync );
+
+ /**
+ * Refresh the cached data accroding to changes of the database.
+ *
+ * This function is called from iDatabaseChangeNotifer.
+ */
+ void HandleDatabaseChangedL(TInt aStatus);
+
+ /**
+ * Set a Notepad model observer.
+ *
+ * @param aObserver an object which implements MNotepadModelObserver.
+ */
+ void SetNotepadModelObserver(MNotepadModelObserver* aObserver);
+
+ public: // Functions from base classes
+
+ /**
+ * From MDesCArray.
+ * Return the number of items.
+ */
+ IMPORT_C TInt MdcaCount() const;
+
+ /**
+ * From MDesCArray.
+ * Return the text of specified item.
+ */
+ IMPORT_C TPtrC MdcaPoint(TInt aIndex) const;
+
+ private: // Constructors
+
+ /**
+ * Default C++ constructor.
+ */
+ CNotepadModel();
+
+ /**
+ * Second phase constructor.
+ *
+ * @param aResId resource id of type STRUCT NOTEPAD_MODEL
+ */
+ void ConstructL(TInt aResId);
+
+ private: // New functions
+
+ /**
+ * Prepare to start deletion.
+ * Create a SQL statement and set it on iDbUpdate.
+ *
+ * @param aKeys keys of items to be deleted.
+ */
+ void PrepareToDeleteByKeysL(const RArray<TInt>& aKeys);
+
+ void ExecuteDeleteStepL();
+
+ /**
+ * Should be called if deleting process was aborted.
+ */
+ void AbortDeletionL();
+
+ /**
+ * Should be called if deleting process has completed.
+ */
+ void CompleteDeletionL();
+
+ /**
+ * Callback function while iExecuter is running for deletion.
+ *
+ * @param aSelf an object of this class.
+ */
+ static TInt DeleteCallBack(TAny *aSelf);
+
+ /**
+ * Callback function while iExecuter is running for deletion.
+ */
+ TInt DoDeleteCallBackL();
+
+ /**
+ * Callback function while iExecuter is running for removal of links.
+ */
+ TInt DoRemoveLinkCallBackL();
+
+ /**
+ * Create iItemArray and iKeyArray.
+ */
+ void BuildItemArrayL( const TBool aForceSync );
+
+ /**
+ * Implementation of BuildItemArrayL.
+ *
+ */
+ void DoBuildItemArrayL();
+
+ /**
+ * Implementation of BuildItemArrayL when Notepad.
+ *
+ */
+ void DoBuildNotepadItemArrayL(TPtr& aBuf);
+
+ /**
+ * Implementation of BuildItemArrayL when Tempaltes.
+ *
+ */
+ void DoBuildTemplateItemArrayL(TPtr& aBuf);
+
+ /**
+ * Reserved.
+ * @internal
+ */
+ IMPORT_C void CNotepadModel_Reserved();
+
+ public:
+
+ /**
+ * Sets the item array flags.
+ *
+ */
+ void SetItemArrayFlags();
+
+ /**
+ * Retruns the item array flags.
+ *
+ */
+ TUint ItemArrayFlags();
+
+ private: // Inner class
+
+ /**
+ * Inner calss to observe changes of the database.
+ *
+ */
+ class CDatabaseChangeNotifier : public CActive
+ {
+ public: // constructor, destructor
+ static CDatabaseChangeNotifier* NewL(
+ RDbDatabase& aDatabase,
+ CNotepadModel& aModel );
+ ~CDatabaseChangeNotifier();
+ private: // constructor
+ CDatabaseChangeNotifier(CNotepadModel& aModel);
+ void ConstructL(RDbDatabase& aDatabase);
+ private: // from CActive
+ void DoCancel();
+ void RunL();
+ private: // data
+ RDbNotifier iDbNotifier;
+ CNotepadModel& iModel;
+ };
+
+ private: // Data
+
+ TUint iFlag;
+ RDbUpdate iDbUpdate;
+ RArray<TInt> iSavedDeleteKeys;
+ CNotepadModel::CDatabaseChangeNotifier* iDatabaseChangeNotifier; //own
+ RDbView iDbView;
+ CIdle* iExecuter; // own
+ CDesCArray* iItemArray; // own
+ RArray<TInt> iKeyArray; // map ItemIndex -> Key.
+ MNotepadModelObserver* iModelObserver; // not own
+ TInt iProgressCount; // for progress infomation callback
+ TInt iListingStyle;
+ HBufC* iDateFormat;
+ HBufC* iTimeFormat;
+ TInt iStepCount;
+ RFs iFileSession;
+ TInt iRetval;
+ };
+
+#include "NpdModel.inl"
+#endif // NPDMODEL_PLATSEC_H
+
+// End of File