/*

* Copyright (c) 2010 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: Definition of AgendaEventViewerPrivate class

*

*/

// System includes.

#include <QFile>

#include <QDir>

// User includes.

#include <agendautil.h>

#include <agendaentry.h>

#include "agendaeventviewer_p.h"

#include "agendaeventviewer.h"

#include "agendaeventview.h"

/*!

	\class AgendaEventViewerPrivate

	Private class implementation of AgendaEventViewer.It is responsible for

	launching the agenda event viewer.

 */

/*!

	Constructor

	\param agendaUtil Pointer to AgendaUtil.

	\param parent Pointer to QObject.

 */

AgendaEventViewerPrivate::AgendaEventViewerPrivate(

		AgendaUtil *agendaUtil, QObject *parent)

{

	// Get the q-pointer.from parent

	q_ptr = static_cast<AgendaEventViewer *> (parent);

	// Check for agendaUtil sent by client. If null agendaUtil will be

	// created and owned by AgendaEventViewerPrivate

	if (!agendaUtil) {

		mAgendaUtil = new AgendaUtil(parent);

		mViewerOwnsAgendaUtil = true;

	} else {

		mAgendaUtil = agendaUtil;

		mViewerOwnsAgendaUtil = false;

	}

	// Register for the entry change signal when the same entry is updated

	// by other application.This is to handle the db conflict changes.

	connect(

			mAgendaUtil, SIGNAL(entriesChanged(QList<ulong> )),

			this, SLOT(handleEntriesChanged(QList<ulong> )));

	// Register for the calenInstance view creation sucessfully

	connect(

	        mAgendaUtil, SIGNAL(entryViewCreationCompleted(int)),

	        this, SLOT(viewCreationCompleted(int)));

}

/*!

	Destructor.

 */

AgendaEventViewerPrivate::~AgendaEventViewerPrivate()

{

	if (mViewerOwnsAgendaUtil) {

		delete mAgendaUtil;

		mAgendaUtil = 0;

	}

}

/*!

	Launches the event viewer.Id is used for fetching

	the calendar entry information.

	\param id Local Uid of the calendar entry to be viewed

 */

void AgendaEventViewerPrivate::view(const ulong id, 

                                    AgendaEventViewer::Actions action)

{

	AgendaEntry entry = mAgendaUtil->fetchById(id);

	if (entry.isNull()) {

        // save the entries , to show the entry once instances are created

        // if entry is null exit ,later  call back comes in viewCreationCompleted 

	    mAction = action;

        mId =id;

        //to avoid view creation multiple times

        mShowEventViewById = true;

		return;

	}

	// Construct the agenda event view

	mAgendaEventView = new AgendaEventView(this);

	mAgendaEventView->execute(entry, action);

}

/*!

	Launches the event viewer.File handle of any vcs/ics

	file can be given as input to view the calendar entry information.

	\param fileHandle reference to the file handle of vcs/ics file

 */

void AgendaEventViewerPrivate::view(const QFile &fileHandle, 

                                    AgendaEventViewer::Actions action)

{

	// Using calendar importer read the filehandle and generate agenda entry

	QString filePath = fileHandle.fileName();

	QString nativeFilePath = QDir::toNativeSeparators(filePath);

	AgendaEntry entry;

	mAgendaUtil->importvCalendar(nativeFilePath, entry);

	if (!entry.isNull()) {

		mAgendaEventView = new AgendaEventView(this);

		mAgendaEventView->execute(entry, action);

	} else {

        //store the file name

        mFileName = filePath ;

        mAction = action ;

        mShowEventViewByFileHandle = true;

        q_ptr->viewingCompleted(QDateTime::currentDateTime().date());

	}

}

/*!

	Launches the event viewer.AgendaEntry can be given as input to view the

	calendar entry information

 */

void AgendaEventViewerPrivate::view(AgendaEntry entry, 

                                    AgendaEventViewer::Actions action)

{

	if (entry.isNull()) {

			return;

		}

	// Construct the agenda event view

	mAgendaEventView = new AgendaEventView(this);

	mAgendaEventView->execute(entry, action);

}

/*!

	Emits the signal viewing completed to the clients

	\param status true if viewing completed otherwise false.

 */

void AgendaEventViewerPrivate::viewingCompleted(const QDate date)

{

	emit q_ptr->viewingCompleted(date);

	// Cleanup viewer.

	if (mAgendaEventView) {

		mAgendaEventView->deleteLater();

	}

}

/*!

	Emits the signal editing started to the clients

 */

void AgendaEventViewerPrivate::editingStarted()

{

	emit q_ptr->editingStarted();

}

/*!

	Emits the signal editing completed to the clients

 */

void AgendaEventViewerPrivate::editingCompleted()

{

	emit q_ptr->editingCompleted();

}

/*!

	Emits the signal deleting started to the clients

 */

void AgendaEventViewerPrivate::deletingStarted()

{

	emit q_ptr->deletingStarted();

}

/*!

	Emits the signal deleting completed to the clients

 */

void AgendaEventViewerPrivate::deletingCompleted()

{

	emit q_ptr->deletingCompleted();

}

/*!

     calls when instances of calenInstanceview and 

     entryInstanceview is created successfully

 */

void AgendaEventViewerPrivate::viewCreationCompleted(int error)

    {

    if((KErrNone == error))

        {

        AgendaEntry entry;

        if (mShowEventViewById)

            {

            entry = mAgendaUtil->fetchById(mId);

            }

        else if(mShowEventViewByFileHandle)

            {

            QString nativeFilePath = QDir::toNativeSeparators(mFileName);

            mAgendaUtil->importvCalendar(nativeFilePath, entry);

            }

        //if entry is there , then show the view

        if (!entry.isNull()) 

            {

            mAgendaEventView = new AgendaEventView(this);

            mAgendaEventView->execute(entry, mAction);

            }

        }      

    //reset the variables

    mId = 0;

    mFileName.clear();

    mShowEventViewById = false;

    mShowEventViewByFileHandle = false;

    mAction = AgendaEventViewer::ActionNothing;

	}

// End of file