/*

* 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 Base class of Notepad Dialogs.

*

*/

#ifndef NPDDIALOGBASE_H

#define NPDDIALOGBASE_H

// INCLUDES

#include <AknDialog.h>

#include <f32file.h>

#include "NpdLib.hrh"

#include <AknProgressDialog.h>

// FORWARD DECLARATIONS

class CAknTitlePane;

class CSendUi;

class CSendAppUi;

class CNotepadDialogBase;

class CEikonEnv;

class CNotepadModel;

class CEikEdwin;

class CEikMenuPane;

class CPlainText;

class RFile;

class TResourceReader;

class CAknProgressDialog;

class CMessageData;

class CNotepadListDialog;

// CLASS DECLARATION

/**

* Base class of three dialogs in Notepad library.

* CNotepadDialogBase is the base class of CNotepadListDialog, 

* CNotepadEditorDialog and CNotepadViewerDialog.

*

* @lib NpdLib.lib

* @see CNotepadListDialog, CNotepadEditorDialog, CNotepadViewerDialog.

*/

class CNotepadDialogBase : public CAknDialog

    {

    public:  // Constructors and destructor

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CNotepadDialogBase();

    public:  // New functions

        /**

        * Execute dialog (Internal to NPDLIB).

        *

        * @return return code of CEikDailog::ExecuteLD.

        * @internal

        */

        IMPORT_C TInt ExecuteLD();

    protected: // Constructors

        /**

        * Second phase constructor.

        *

        * @param aReader resource reader already opened for 

        *   one of "STRUCT NOTEPAD_LIST_DIALOG", 

        *   "STRUCT NOTEPAD_EDITOR_DIALOG", or "STRUCT NOTEPAD_VIEWER_DIALOG".

        */

        void ConstructL(TResourceReader& aReader);

    protected: // New functions

        /**

        * Set text of title pane.

        * If aTitle is NULL, no operation is done (it never leaves nor panics).

        *

        * @param aTitle title string.

        */

        void SetTitleL( const TDesC* aTitle );

        /**

        * Set text of title pane.

        *

        * @param aFile file handle.

        */

		void SetFileHandleL(RFile& aFile);

        /**

        * Show confirmation query with specified prompt and return the answer.

        *

        * @param aPromptResId resource id for the confirmation prompt.

        * @return ETrue if query confirmed Yes, otherwise EFalse.

        */

        TBool ExecuteConfirmationQueryL(TInt aPromptResId);

        /**

        * Show confirmation query with specified prompt and return the answer.

        *

        * @param aPrompt prompt text for the confirmation.

        * @return ETrue if query confirmed Yes, otherwise EFalse.

        */

        TBool ExecuteConfirmationQueryL(TDesC* aPrompt = NULL);

        /**

        * Send text using SendUi.

        *

        * @param aSendUi CSendUi object.

        * @param aCommandId, command id of MTM.

        * @param aDesC text to send.

        * @param aPlainText CPlainText to send.

        * @param aFileName file name to send.

        */

        void SendAsL(

            CSendUi& aSendUi, 

            TInt aCommandId, 

            const TDesC* aDesC,

            const CPlainText* aPlainText = NULL,

            const TDesC* aFileName = NULL );

        /**

        * Send text using SendUi.

        *

        * @param aSendUi CSendUi object.

        * @param aCommandId, command id of MTM.

        * @param aDesC text to send.

        * @param aPlainText CPlainText to send.

        * @param aFileName file name to send.

        */

        void SendAsL(

            CSendUi& aSendUi, 

            TInt aCommandId, 

            TBool aFileExist,

            const TDesC* aDesC,

            const CPlainText* aPlainText = NULL );

        /**

        * Send items using SendUi.

        *

        * @param aSendUi CSendUi object.

        * @param aModel CNotepadModel object.

        * @param aCommandId, command id of MTM.

        * @param aKeys a key array of items to send.

        */

        TUid SendByKeysL(

            CSendUi& aSendUi, 

            TInt aCommandId, 

            CNotepadModel& aModel,

            const RArray<TInt>& aKeys );

        /**

        * Check this dialog if waiting.

        *

        * @return ETrue if this is a waiting dialog, otherwize EFalse.

        */

        inline TBool IsWaiting() const;

        /**

        * Check whether this dialog is for Notepad application.

        *

        * @return ETrue if this is for Notepad, otherwize EFalse.

        */

        inline TBool IsNotepad() const;

        /**

        * Check whether this dialog is for Templates application.

        *

        * @return ETrue if this is for Templates, otherwize EFalse.

        */

        inline TBool IsTemplates() const;

        /**

        * Check whether this dialog is modeless.

        *

        * @return ETrue if this is a modeless dialog, otherwize EFalse.

        */

        inline TBool IsModeless();

        /**

        * Set iTitle text to title pane.

        * 

        */

        void RefreshTitleL();

        /**

        * Insert 'Send' menu item to aMenuPane just 

        * after aCommandId.

        * 

        * @param aSendUi CSendUi object.

        * @param aMenuPane menu pane to insert.

        * @param aCommandId new menu item is added after the position of this.

        */

        void InsertSendMenuItemAfterL(

            CSendUi& aSendUi,

            CEikMenuPane& aMenuPane, 

            TInt aCommandId );

        /**

        * For MCE, delayed exit.

        *

        * @return ETrue If delayed exit mode.

        */

        inline TBool IsExitDelayedBySendUi() const;

    protected:  // Functions from base classes

        /**

        * From CCoeControl.

        */

        void ActivateL();

        /**

        * From MEikCommandObserver

        * 

        * @param aCommandId command.

        */

        void ProcessCommandL(TInt aCommandId);

        /**

        * From MEikDialogPageObserver.

        * Create customized ListBox. 

        *

        * @param aControlType id of dialog line.

        * @return line control info.

        */

        SEikControlInfo CreateCustomControlL(TInt aControlType);

    private: // New functions

        /**

        * Send a file as an attachment.

        *

        * The MTM specified by aCommandId must have capability to send 

        * a file as attachment.

        *

        * @param aSendUi CSendUi object.

        * @param aCommandId a command id of send menu item.

        * @param aFileName a name of the file to be sent.

        */

        void SendFileAsAttachmentL( 

            CSendUi& aSendUi, 

            TInt aCommandId, 

            const TDesC& aFileName );

        /**

        * Send a file as an attachment.

        *

        * The MTM specified by aCommandId must have capability to send 

        * a file as attachment.

        *

        * @param aSendUi CSendUi object.

        * @param aCommandId a command id of send menu item.

        * @param aFileName a name of the file to be sent.

        */

        void SendFileAsAttachmentL( 

            CSendUi& aSendUi, 

            TInt aCommandId, 

            RFile& aFile );

        /**

        * For cleaning up the ENotepadSendUiRunning flag.

        */

        static void CleanupSendUiFlag(TAny *aSelf);

        /**

        * Reserved API entry.

        *

        * @internal

        */

        IMPORT_C void CNotepadDialogBase_Reserved();

    protected:  // Data

        TInt iResId; // dialog ResourceId

        CEikDialog** iSelfPtr;

        TBool iMskFlag;

    private:  // inner class

        /**

        * CTemporaryFiles is a class for temprary files.

        *

        * We must not only close but also 

        * 'Delete' the temorary files even when some function LEAVES while 

        * using it.

        */

        class CTemporaryFiles : public CDesC16ArrayFlat

            {

            public: //constructor, destructor

                CTemporaryFiles(TInt aGranularity, CEikonEnv& aEikonEnv);

                /**

		        * Destructor.

		        */

                virtual ~CTemporaryFiles();

            public: // new function

            /*

			* CNotepadDialogBase::CTemporaryFiles::AppendL

			* if you need some code conversion....

			* CPlainText::TImportExportParam param;

			* param.iForeignEncoding = KCharacterSetIdentifierUtf8; // target encoding

			* CPlainText::TImportExportResult result;

			* text->ExportTextL(0, stream, param, result);

			*/

                void AppendL(const CPlainText& aText);

            private: // data

                CEikonEnv& iEnv; // not own

            public:

                TBuf16<150> iSendFileName;

            };

    public:

		/**

        * CCreateAndAppendFiles is an active object to create and append

        * attachments.

        */

        NONSHARABLE_CLASS(CCreateAndAppendFiles) : public CActive, public MProgressDialogCallback

            {

            public: // constructor, destructor

            	/**

		        * CCreateAndAppendFiles* NewL

		        * @param aReader resource reader already opened for 

		        */

                static CCreateAndAppendFiles* NewL(

					CSendUi& aSendAppUi, 

					TInt aCommandId, 

					CNotepadModel& aModel,

					RArray<TInt> aKeys,

					CEikonEnv& aEikonEnv,

					TInt& aBaseFlags,

					CNotepadDialogBase* aNpdDlgBase,

					TUid aServiceUId);

              /**

		        * CCreateAndAppendFiles

		        * @param aReader resource reader already opened for 

		        */ 

              CCreateAndAppendFiles(

					CSendUi& aSendAppUi, 

					TInt aCommandId, 

					CNotepadModel& aModel,

					//RArray<TInt> aKeys,

					CEikonEnv& aEikonEnv,

					TInt& aBaseFlags,

					CNotepadDialogBase* aNpdDlgBase,

					TUid aServiceUId);

           		/**

		        * Second phase constructor.

		        * @param aReader resource reader already opened for 

		        */

                void ConstructL(RArray<TInt> aKeys);

                /**

		        * Destructor.

		        */

                 ~CCreateAndAppendFiles();

           		/**

		        * Creates CAknProgressDialog object and creates a progress bar

		        */

				void ShowProgressBarL();

				/**

		        * Deletes the CAknProgressDialog object if it is already created.

		        */

				void EndProgressDialog();

				/**

		        * Attaches the selected notes to the message asynchronously.

		        */

				void StartAttachingL();

				/**

		        * Call back function called when Dialog is dismissed.

		        */

				void DialogDismissedL( TInt aButtonId );

                void RunL();

                void DoCancel();

            private: // data

				CSendUi& iSendAppUi;

				TInt iCommandId;

				CNotepadModel& iModel;

				RArray<TInt> iKeys;

				TInt iTotalCount;

				CNotepadDialogBase::CTemporaryFiles* iFiles;

				CPlainText* iText;

				TInt iCount;

				TBool iAttaching;

				TBool iCanceled;

				CEikonEnv& iEnv;

				TInt& iBaseFlags;

				CAknProgressDialog* iProgressBar;

				CMessageData* imessageData ;

				RFs iFs;

				CArrayFixFlat<RFile> *array;

				RFile ifile1;

				TUid iServiceUId;

				CNotepadListDialog *iListDialog; //Not owned 

            };

    private:  // Data

        enum TNotepadDialogBaseFlags

            {

            ENotepadSendUiRunning = 0x01,

            ENotepadSendUiDelayedExit = 0x02

            };

        TDesC* iTitle; // own

        HBufC* iSavedTitle; // own (copied)

        CAknTitlePane* iTitlePane; // not own (cached)

        RFile iFile;

        TInt iBaseFlags;

       public:

        CNotepadDialogBase::CCreateAndAppendFiles* iCreateFile;

    };

#include "NpdDialogBase.inl"

#endif // NPDDIALOGBASE_H

// End of File