/*

 * 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:

 *     The source file for messaging's audio fetcher dialog.

 *

 */

// SYSTEM INCLUDES

#include <hbaction.h>

#include <HbStyleLoader>

#include <HbTextItem>

#include <HbColorScheme>

#include <HbListView>

#include <QModelIndex>

#include <QStandardItemModel>

// USER INCLUDES

#include "msgaudiofetcherdialog.h"

#include "msgaudiofetchermodel.h"

#include "msgaudiopreview.h"

#define LOC_SELECT_SELECT hbTrId("txt_common_button_select")

#define LOC_SELECT_CANCEL hbTrId("txt_common_button_cancel")

#define LOC_SELECT_SOUND  hbTrId("txt_messaging_title_select_a_sound")

const QString LIST_ITEM_TITLE("qtc_list_item_title_normal");

MsgAudioFetcherDialog::MsgAudioFetcherDialog(QGraphicsItem *parent) :

	HbDialog(parent),

	mListView(NULL),

	mFetcherModel(NULL),

	mAudioPreview(NULL),

	mSelected(false)

{

    setDismissPolicy(HbDialog::NoDismiss);

    setFrameType(HbDialog::Strong);

    setModal(true);

    initActions();

    initMainWidget();  

    connect(

            this, 

            SIGNAL(aboutToClose()), 

            this, 

            SLOT(reset()));

    //TODO: Goal was to put in viewReady, but connect is

    //not working since it only works for views not dialogs

    doDelayedConstruction();

}

MsgAudioFetcherDialog::~MsgAudioFetcherDialog()

{

    //do nothing

}

void MsgAudioFetcherDialog::initMainWidget()

{

	//set heading

	HbTextItem* heading = new HbTextItem(

	        LOC_SELECT_SOUND, 

	        this);

	QColor color = HbColorScheme::color( LIST_ITEM_TITLE );

	heading->setTextColor( color );

	heading->setAlignment(Qt::AlignLeft);

	setHeadingWidget(heading);	

}

void MsgAudioFetcherDialog::initActions()

{

    mLeftAction = new HbAction(this);

    mLeftAction->setText(LOC_SELECT_SELECT);

    addAction(mLeftAction);

    mLeftAction->setEnabled(false);

    HbAction* rightAction = new HbAction(this);

    rightAction->setText(LOC_SELECT_CANCEL);

    rightAction->setEnabled(true);

    addAction(rightAction);    

    connect(mLeftAction,

                SIGNAL(triggered()),

                this,

                SLOT(onSelectAction()));

    connect(rightAction,

                SIGNAL(triggered()),

                this,

                SLOT(onCancelAction()));    

}

QString MsgAudioFetcherDialog::getCurrentItemPath()

{

    if (mSeletedItem.isValid())

    {

        QString temppath = 

                    mFetcherModel->data(

                            mSeletedItem, 

                            Qt::UserRole).toString();

        //return the path

        return QDir::toNativeSeparators(temppath);

    }

    return QString();

}

void MsgAudioFetcherDialog::doDelayedConstruction()

{

    //set the content list

    mListView = new HbListView(this);

    Q_ASSERT(mListView);

    mListView->setSelectionMode(

            HbAbstractItemView::SingleSelection);

    mFetcherModel = new MsgAudioFetcherModel(this);

    mListView->setModel(mFetcherModel);

    mListView->setUniformItemSizes(true);

    setContentWidget(mListView);

    connect(mListView, SIGNAL(activated(QModelIndex)),

            this, SLOT(on_list_activated(QModelIndex)));

    //initializes the audio preview

    mAudioPreview = new MsgAudioPreview(this);

}

void MsgAudioFetcherDialog::onSelectAction()

{

	//stop the playing file

    if (mAudioPreview->IsPlaying()) {

            mAudioPreview->Stop();        

        }

    //emit the selected sound file

    QString filePath = getCurrentItemPath();

    emit audioSelected(filePath);

    //close the dialog

    close();

}

void MsgAudioFetcherDialog::onCancelAction()

{    

    //stop the playing file and return

    if (mAudioPreview->IsPlaying()) {

                mAudioPreview->Stop();        

            }

    close();

    return;

}

void MsgAudioFetcherDialog::reset()

{

    mSelected = false;

    mLeftAction->setEnabled(false);

    //list scroll to top

    mListView->scrollTo(

            mListView->model(

                    )->index(0,0));

    //deselect the selected item

    mListView->selectionModel(

            )->select(

                    mSeletedItem, 

                    QItemSelectionModel::Deselect);    

}

void MsgAudioFetcherDialog::on_list_activated(

        const QModelIndex &index)

{

    //stop previewing when clicking another item.

    if (mAudioPreview->IsPlaying()) {

        mAudioPreview->SetAttr(getCurrentItemPath());

        mAudioPreview->Play();        

    }

    //enable the action select

    if(!mSelected)

    {

        mLeftAction->setEnabled(true);        

        mSelected = true;

    }     

    //save the latest selected

    mSeletedItem = index;

    //start play the item

    mAudioPreview->SetAttr(getCurrentItemPath());

    mAudioPreview->Play();

    return;

}

//End of File