/*

* Copyright (c) 2009 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:

*

*/

#include "cntimageeditorview.h"

#include <QGraphicsLinearLayout>

#include <qtcontacts.h>

#include <hbdocumentloader.h>

#include <hbabstractviewitem.h>

#include <hbscrollarea.h>

#include <hblabel.h>

#include <hbpushbutton.h>

#include <xqaiwrequest.h>

#include <thumbnailmanager_qt.h>

const char *CNT_IMAGE_XML = ":/xml/contacts_if.docml";

const int BUTTON_HEIGHT = 50;

#define FETCHER_SERVICE "com.nokia.services.media"

#define FETCHER_INTERFACE "image"

#define FETCHER_OPERATION "fetch(QVariantMap,QVariant)"

/*!

Constructor

*/

CntImageEditorView::CntImageEditorView(CntViewManager *viewManager, QGraphicsItem *parent) :

        CntBaseView(viewManager, parent),

        mContact(0),

        mAvatar(0),

        mImageLabel(0),

        mScrollArea(0),

        mRequest(0),

        mThumbnailManager(0),

        mContainerWidget(0)

{

    bool ok = false;

    ok = loadDocument(CNT_IMAGE_XML);

    if (ok)

    {

        QGraphicsWidget *content = findWidget(QString("content"));

        setWidget(content);

    }

    else

    {

        qFatal("Unable to read :/xml/contacts_if.docml");

    }

    mThumbnailManager = new ThumbnailManager(this);

    mThumbnailManager->setMode(ThumbnailManager::Default);

    mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForQuality);

    mThumbnailManager->setThumbnailSize(ThumbnailManager::ThumbnailLarge);

    connect( mThumbnailManager, SIGNAL(thumbnailReady(QPixmap, void*, int, int)),

        this, SLOT(thumbnailReady(QPixmap, void*, int, int)) );

}

void CntImageEditorView::thumbnailReady(const QPixmap& pixmap, void *data, int id, int error)

{

    Q_UNUSED(data);

    Q_UNUSED(id);

    Q_UNUSED(error);

    QIcon qicon(pixmap);

    HbIcon icon(qicon);

	mImageLabel->clear();

	mImageLabel->setIcon(icon);

}

/*!

Destructor

*/

CntImageEditorView::~CntImageEditorView()

{

    delete mImageLabel;

    delete mAvatar;

    delete mContact;

	delete mRequest;

}

void CntImageEditorView::resizeEvent(QGraphicsSceneResizeEvent *event)

{

    if (mScrollArea)

    {

        mContainerWidget->resize(mScrollArea->size().width(), 0);

    }

    CntBaseView::resizeEvent(event);

}

/*!

Called when user closes the view

*/

void CntImageEditorView::aboutToCloseView()

{

    mContact->saveDetail(mAvatar);

    if (mAvatar->avatar().isEmpty())

    {

        mContact->removeDetail(mAvatar);

    }

    viewManager()->previousViewParameters().setSelectedContact(*mContact);

    viewManager()->onActivatePreviousView();

}

/*!

Called when activating the view (create image label and scroll area with buttons)

*/

void CntImageEditorView::activateView(const CntViewParameters &viewParameters)

{

    mContact = new QContact(viewParameters.selectedContact());

    // set the correct image if the contact already has an image set

    mImageLabel = static_cast<HbLabel*>(findWidget(QString("image")));

    QList<QContactAvatar> details = mContact->details<QContactAvatar>();

    if (details.count() > 0)

    {

        for (int i = 0;i < details.count();i++)

        {

            if (details.at(i).subType() == QContactAvatar::SubTypeImage)

            {

                mAvatar = new QContactAvatar(details.at(i));

                mThumbnailManager->getThumbnail(mAvatar->avatar());

                break;

            }

        }

    }

    else

    {

        mAvatar = new QContactAvatar();

        mAvatar->setSubType(QContactAvatar::SubTypeImage);

    }

    QGraphicsWidget *w = findWidget(QString("content"));

    static_cast<QGraphicsLinearLayout*>(w->layout())->setAlignment(mImageLabel, Qt::AlignCenter);

    // construct listview and the model for it

    mScrollArea = static_cast<HbScrollArea*>(findWidget(QString("scrollArea")));

    mContainerWidget = new HbWidget();

    QGraphicsLinearLayout *buttonLayout = new QGraphicsLinearLayout(Qt::Vertical);

    buttonLayout->setContentsMargins(0, 0, 0, 0);

    HbPushButton *newPhoto = new HbPushButton(HbIcon(":/icons/qgn_indi_ai_nt_camera.svg"),

                                              hbTrId("txt_phob_list_take_a_new_photo"), Qt::Horizontal);

    newPhoto->setPreferredHeight(BUTTON_HEIGHT);

    newPhoto->setPreferredWidth(300);

    newPhoto->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);

    connect(newPhoto, SIGNAL(clicked()), this, SLOT(openCamera()));

    buttonLayout->addItem(newPhoto);

    HbPushButton *gallery = new HbPushButton(HbIcon(":/icons/qgn_prop_tutor_gallery.svg"),

                                              hbTrId("Choose from Gallery"), Qt::Horizontal);

    gallery->setPreferredHeight(BUTTON_HEIGHT);

    gallery->setPreferredWidth(300);

    gallery->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);

    connect(gallery, SIGNAL(clicked()), this, SLOT(openGallery()));

    buttonLayout->addItem(gallery);

    mContainerWidget->setLayout(buttonLayout);

    mContainerWidget->setPreferredWidth(mScrollArea->size().width());

    mScrollArea->setContentWidget(mContainerWidget);

}

/*!

Open camera and get new image for contact

*/

void CntImageEditorView::openCamera()

{

}

/*!

Open gallery and select image for contact

*/

void CntImageEditorView::openGallery()

{

    if (mRequest)

    {

        delete mRequest;

        mRequest = 0;

    }

    mRequest = mAppManager.create(FETCHER_SERVICE, FETCHER_INTERFACE, FETCHER_OPERATION, false);

    connect(mRequest, SIGNAL(requestOk(const QVariant&)), this, SLOT(handleImageChange(const QVariant&)));

    mRequest->send();

}

/*!

Set the selected image as new QContactAvatar::SubTypeImage

*/

void CntImageEditorView::handleImageChange(const QVariant &value)

{

    if (value.canConvert<QString>())

    {

        mAvatar->setAvatar(value.toString());

        mThumbnailManager->getThumbnail(value.toString());

    }

}