/*

* 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:  Contact Friend widget 

*

*/

#include <QDebug>

#include <QLocale>

#include <HbTranslator>

#include <QGraphicsGridLayout>

#include <hbcolorscheme.h>

#include <HbDialog>

#include <HbWidget>

#include <HbLabel>

#include <HbIconItem>

#include <HbFrameDrawer>

#include <HbFrameItem>

#include <HbDeviceProfile>

#include <hbdevicemessagebox>

#include <hbdocumentloader.h>

#include <QPixmap>

#include <QGraphicsSceneMouseEvent>

#include <HbEvent>

#include <cntservicescontact.h>

#include <hbaction.h>

#include <HbInstance>

#include "contactwidgeths.h"

#include "commlauncherwidget.h"

#include "ihswidgetpreferenceservice.h"

const QString defaultAvatar = "qtg_large_avatar";

const QString addContactAvatar = "qtg_small_add";

const QString normalFrameName = "qtg_fr_hsshortcut_normal";

const QString normalTextColor = "qtc_hs_list_item_title_normal";

const QString latchedFrameName = "qtg_fr_hsitems_latched";

const QString latchedTextColor = "qtc_hs_list_item_latched";

// Preferences properties

const QString widgetPrefContactId = "contactId";

// Docml file

const QString contactWidgetDocml = ":/commlauncherwidget.docml";

/*!

  \class ContactWidgetHs

*/

/*!

    Constructor

*/

ContactWidgetHs::ContactWidgetHs(QGraphicsItem *parent, Qt::WindowFlags flags )

: HbWidget(parent, flags),

  mAvatarIconItem(0),

  mContactNameLabel(0),

  mLauncherRect(QRectF(0,0,0,70)),

  mWidgetFrameDrawer(0),

  mShareFrameDrawer(0),

  mContactLocalId(unUsedContactId),

  mAvatar(0),	

  mContactHasAvatarDetail(false),  

  mContactManager(0),

  mAppManager(0),

  mContactSelectRequest(0),

  mMainWindow(0),

  mThumbnailManager(0),

  mThumbnailPixmap(QPixmap()),

  mThumbnailInProgress(false),

  mTranslator(0)

{

    // Localization file loading   

	mTranslator = new HbTranslator();

	mTranslator->loadCommon();    

    // UI creation done in onInitialize()

    if (mainWindow()) {

        mMainWindow = mainWindow();

        connect(mMainWindow, SIGNAL(aboutToChangeOrientation()), 

                this, SLOT(orientationChange()));

        qDebug() << "mMainWindow(x,y): " << mMainWindow->width() << mMainWindow->height();

    }

    // avatar icon item has to be created without parent else the drawing goes wrong

    mAvatarIconItem = new HbIconItem();

    //Create Communication launcher

    //Has to be created without parent, otherwise timout, dismissPolicy and modality have no effect

    mLauncher = new CommLauncherWidget();

    mLauncher->setTimeout(0);

    mLauncher->setDismissPolicy(HbPopup::TapAnywhere); 

    mLauncher->setBackgroundFaded(false);

    mLauncher->setModal(false);

    mLauncher->hide();

    // USE CONNECT WHEN THE LATCHED GRAPHICS IS IN THE PLATFORM

    //connect(mLauncher, SIGNAL(launcherClosed()),

    //        this, SLOT(loadNormalLayout()));

    mAppManager = new XQApplicationManager();

    ASSERT(mAppManager);

    mLauncher->setApplicationManager(*mAppManager);

    // Thumbnail manager so we can handle large size images as contact avatars

    mThumbnailManager = new ThumbnailManager(this);

    mThumbnailManager->setMode(ThumbnailManager::Default);

    mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForQuality);

    mThumbnailManager->setThumbnailSize(ThumbnailManager::ThumbnailMedium );

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

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

    mWidgetFrameDrawer = new HbFrameDrawer(normalFrameName, 

                                           HbFrameDrawer::NinePieces);

    ASSERT(mWidgetFrameDrawer);

    mShareFrameDrawer = new HbFrameDrawer(normalFrameName, 

                                          HbFrameDrawer::NinePieces);

    ASSERT(mShareFrameDrawer);

}

/*!

    Destructor

*/

ContactWidgetHs::~ContactWidgetHs()

{

    delete mLauncher;

    delete mContactManager;

    delete mAppManager;

    delete mAvatar;	

    // Deleting request cancels all pending requests 

    delete mContactSelectRequest;

    //,,first cancel?

    delete mThumbnailManager;

    delete mTranslator;

}

/*!

    Updates the UI based on data from current contact

*/

void ContactWidgetHs::updateUiFromContact()

{

    if (!mContactManager) {

        createContactManager();	

    }

    if (mContactManager) {

        mContact = mContactManager->contact(mContactLocalId);

        getContactData();

        mLauncher->setContact(mContact);

        update();

    }

}

/*!

    Selects current avatar based on member variables

*/

void ContactWidgetHs::setAvatar()

{

    if (mContactLocalId > unUsedContactId) {

        if (mContactHasAvatarDetail) {

			if (mContactImageFileName == "") {

				setContactImage(mThumbnailPixmap);

			}

			else {

				setContactImage(mContactImageFileName);

			}

        } else {

            setContactImage(defaultAvatar);

        }

    } else {

        setContactImage(addContactAvatar);	

    }

}

/*!

    Called when ThumbnailManager has thumbnail ready

*/

void ContactWidgetHs::thumbnailReady(QPixmap pixmap, void *data, int id, int error)

{

    Q_UNUSED(data);

    Q_UNUSED(id);

    qDebug() << "ContactWidgetHs::thumbnailReady() error: " << error;

    mThumbnailInProgress=false;

    if (!error)

    {

		mThumbnailPixmap = pixmap;

		setAvatar();

    }

}

/*!

    Returns the name of current image file including path.

*/

QString ContactWidgetHs::contactImage() const

{

    return mContactImageFileName;

}

/*!

    Set contact avatar image used in Paint()

*/

// THIS IS THE FIRST VERSION OF THUMBNAIL HANDLING, STILL IN PROGRESS 4.6.2010

bool ContactWidgetHs::setContactImage(QPixmap& inputPixmap)

{

    bool ret = false;

    HbFrameDrawer *avatarDrawer = new HbFrameDrawer("qtg_fr_hsshortcut_normal", HbFrameDrawer::NinePieces);

    ASSERT(avatarDrawer);

    // Try to load the image first, because setFrameGraphicsName() returns void.

    //,,mContactImageFileName = imageFile;

    ret=true;

    qDebug() << "setContactImage av 0, inputsize " << inputPixmap.width() << "x" << inputPixmap.height(); 

    qreal unit = HbDeviceProfile::current().unitValue();

    const int contactIconSize = 11 * unit;

    // Render frame drawer into pixmap

    QPixmap avatarPixmap(contactIconSize, contactIconSize);

    avatarPixmap.fill(QColor(0, 0, 0, 0)); //transparent background

    qDebug() << "setContactImage av 1"; //,,

    QPainter painter(&avatarPixmap); 

    QStyleOptionGraphicsItem *item = new QStyleOptionGraphicsItem;

    avatarDrawer->paint(&painter, QRectF(0, 0, contactIconSize, contactIconSize));

    painter.end();

    qDebug() << "setContactImage av 2"; //,,             

    // We may draw the icon when thumnail processing is still in progress, 

    // so can't show the thumbnail yet.

	if (inputPixmap.width()>0) {

		QPixmap pm2 = inputPixmap.scaled( QSize(contactIconSize, contactIconSize), Qt::IgnoreAspectRatio );

		qDebug() << "pm2 " << pm2.width() << " " << pm2.height();

		avatarPixmap = pm2; //

	} 

    HbIcon *avatarIcon = new HbIcon(QIcon(avatarPixmap));

    mAvatarIconItem->setIcon(*avatarIcon);

    // Then display the new image

    update();

    qDebug() << "setContactImage av 3"; //,,

    return ret;

}

/*!

    Set contact avatar image used in Paint()

*/

bool ContactWidgetHs::setContactImage(const QString &imageFile)

{

    bool ret = false;

    HbFrameDrawer *avatarDrawer = new HbFrameDrawer("qtg_fr_hsshortcut_normal", HbFrameDrawer::NinePieces);

    ASSERT(avatarDrawer);

    // Try to load the image first, because setFrameGraphicsName() returns void.

    mContactImageFileName = imageFile;

    qDebug() << "setContactImage ok " << imageFile;

    if (imageFile == addContactAvatar) {

        avatarDrawer->setFrameGraphicsName(defaultAvatar);

        ret = true;

    } else {

        avatarDrawer->setFrameGraphicsName(imageFile);

        ret = true;

    }

    qreal unit = HbDeviceProfile::current().unitValue();

    const int contactIconSize = 11 * unit;

    // Render frame drawer into pixmap

    QPixmap avatarPixmap(contactIconSize, contactIconSize);

    avatarPixmap.fill(QColor(0, 0, 0, 0)); //transparent background

    QPainter painter(&avatarPixmap);

    QStyleOptionGraphicsItem *item = new QStyleOptionGraphicsItem;

    avatarDrawer->paint(&painter, QRectF(0, 0, contactIconSize, contactIconSize));

    painter.end();

    HbIcon *avatarIcon = new HbIcon(QIcon(avatarPixmap));

    // Add badge if needed

    if (imageFile == addContactAvatar) {

        HbIcon addIcon(addContactAvatar);

        QSizeF avatarSize = avatarIcon->size();

        addIcon.setSize(QSize(avatarSize.width()/2, avatarSize.height()/2));

        avatarIcon->addBadge(Qt::AlignTop | Qt::AlignRight, addIcon, 1);    

    }

    mAvatarIconItem->setIcon(*avatarIcon);

    // Then display the new image

    update();

    return ret;

}

void ContactWidgetHs::setName(const QString &sName)

{

    if (mContactNameLabel) {

        mContactNameLabel->setPlainText(sName);

    }    

    update();

}

/*!

    Creates the UI for the widget

*/

void ContactWidgetHs::createUI()

{

    qreal unit = HbDeviceProfile::current().unitValue();

    // Currently not possible to create a hbframedrawer using docml, so the size is fixed here. 

    const int contactIconSize = 11 * unit;

    const int widgetMargin =   0.5 * unit;

    const int textRow = 2;

    const int rows = 4; // 4 using 2 margins

    QGraphicsGridLayout *layout = new QGraphicsGridLayout(this);

    // Widget frame

    qreal corner = 1.5 * unit; // from shortcut widget layout spec: 1.5un    

    mWidgetFrameDrawer->setBorderWidths(corner, corner); 

    HbFrameItem *widgetFrame = new HbFrameItem(mWidgetFrameDrawer); //drawer ownership transfered to item

    layout->addItem(widgetFrame, 0, 0, rows, 3);

    // Avatar frame    

    HbFrameItem *shareFrame = new HbFrameItem(mShareFrameDrawer); //drawer ownership transfered to item

    layout->addItem(shareFrame, 1, 1, 1, 1);

    // Contact icon  

    layout->addItem(mAvatarIconItem, 1, 1, 1, 1);

    // Contact name

    HbFontSpec fontSpec(HbFontSpec::Secondary);

    qreal textHeight = 0.0; 

    style()->parameter("hb-param-text-height-tiny", textHeight);	

    if (textHeight > 0) {

        fontSpec.setTextHeight(textHeight);

    }

    if (mContactLocalId == unUsedContactId) {

        mContactNameLabel = new HbLabel("");

    } else {

		QString name = getContactDisplayName(mContact);

        mContactNameLabel = new HbLabel(name);

    }            

    mContactNameLabel->setAlignment(Qt::AlignHCenter);

    mContactNameLabel->setFontSpec(fontSpec);

    // color from theme

    QColor textColor = HbColorScheme::color(normalTextColor);

    if (textColor.isValid()) {

        mContactNameLabel->setTextColor(textColor);

    } else {

        qDebug() << "ContactWidgetHs::createUI()  textColor is NOT Valid!! using default color";

    }

    mContactNameLabel->setZValue(1);

    layout->addItem(mContactNameLabel, textRow, 1, 1, 1);

    layout->setColumnFixedWidth(0, widgetMargin);

    layout->setColumnFixedWidth(1, contactIconSize); 

    layout->setColumnFixedWidth(2, widgetMargin);

    layout->setRowFixedHeight(0, widgetMargin);

    layout->setRowFixedHeight(1, contactIconSize);

    layout->setRowFixedHeight(textRow,   fontSpec.textHeight());    

    layout->setRowFixedHeight(textRow+1, widgetMargin);

    setLayout(layout);

    // Widget size

    qreal sizeX = widgetMargin * 2 * unit;  //margins from layout spec

    qreal sizeY = widgetMargin * 3 * unit;  //margins from layout spec

    sizeY += fontSpec.textHeight();

    sizeY += contactIconSize;

    sizeX += contactIconSize;

    qDebug() << "widget sizex, sizey, unit, rows " << sizeX << sizeY << unit << rows;

    // Without preferredSize() moving widgets to another page doesn't work

    setPreferredSize( sizeX, sizeY ); 

    resize(preferredSize());

}

QString ContactWidgetHs::getContactDisplayName(QContact& contact)

{

	QString name = mContactManager->synthesizedDisplayLabel(contact);

    if (name.isEmpty()) {

        name = hbTrId("txt_friend_widget_contact_unnamed");    

	}

    return name;

}

/*!

    Implemented to receive mouse press events.

    Otherwise these events will propagate to any topmost item beneath this item.

*/

void ContactWidgetHs::mousePressEvent(QGraphicsSceneMouseEvent *event)

{

    if (event && event->type() == QEvent::GraphicsSceneMousePress) {

        // If the widget doesn't have contact yet and

        // there are contacts, select one.    

        if (mContactLocalId == unUsedContactId) {

            if (contactsExist()) {				    

                launchSingleContactSelecting();                  

            } else {

                // Otherwise ask if user wants to open phonebook

                // tmp variable used for title, otherwise parent param is ignored in mb

                QString title = hbTrId("txt_friend_widget_info_you_can_not_use_this_widge");

                HbDeviceMessageBox mb( title, HbMessageBox::MessageTypeQuestion, this);

                mb.setAction(new QAction(hbTrId("txt_common_button_open"),   &mb), 

                    HbDeviceMessageBox::AcceptButtonRole);

                mb.setAction(new QAction(hbTrId("txt_common_button_cancel"), &mb), 

                    HbDeviceMessageBox::RejectButtonRole);

                mb.setIconVisible(false);

                if (mb.exec() == mb.action(HbDeviceMessageBox::AcceptButtonRole)) {				        

                    mLauncher->openPhonebookCreateNew();

                }

            }

        } else if (!mLauncher->isVisible()) {

            // create and show CommunicationsLauncher

            createLauncherWithPosition();

            mLauncher->show();

            // USE LOADLAYOUT-FUNCTION WHEN THE LATCHED GRAPHICS IS IN THE PLATFORM

            //loadLayout(latchedFrameName, latchedTextColor);

            mLauncherRect = mLauncher->boundingRect();

            qDebug() << "after exec rect() " << mLauncherRect;

        }

    }

}

/*!

    \fn void ContactWidgetHs::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)

    Widget start is triggered from release \a event.

    \sa 

*/

void ContactWidgetHs::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)

{

    Q_UNUSED(event);

}

// Store contact data to member variables and to UI

void ContactWidgetHs::getContactData()

{

    if (!mContactManager) { 

        createContactManager();

    }

    if (mContact.isEmpty()) {

        qDebug() << "Empty contact with id " << mContactLocalId << ".  UI cleared, id=0";  

        clearContactData();

    } else {

        // Id

        mContactLocalId = mContact.localId();

        qDebug() << "contact id " << mContactLocalId;   

        // Name

        QString name = getContactDisplayName(mContact);

        setName( name );

        // Avatar

        QString avatarFile;

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

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

        {

            if (details.at(i).imageUrl().isValid())

            {

				delete mAvatar;				

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

				avatarFile = mAvatar->imageUrl().toString();  //,,remove this once tn is working

				mThumbnailInProgress = true;

				qDebug() << "calling mThumbnailManager->getThumbnail";

				mThumbnailManager->getThumbnail(mAvatar->imageUrl().toString());

                break;                

            }

        }        

        qDebug() << "ContactWidgetHs::getContactData() av.file" << avatarFile;

        if (avatarFile.length() > 0) {

            mContactHasAvatarDetail = true;

            mContactImageFileName = ""; 

            //,,mContactImageFileName = avatarFile;

        }

        else {

            mContactHasAvatarDetail = false;

        } 

    }

    if (!mThumbnailInProgress) {

		setAvatar();

    }

}

void ContactWidgetHs::clearContactData()

{

    mContactLocalId = unUsedContactId;

    setName("");

    mContactHasAvatarDetail = false;

    mContactImageFileName = "";

}

/*!

    Create contact manager

*/

void ContactWidgetHs::createContactManager()

{

    QString sBackend = "memory"; // not localised

#ifdef Q_OS_SYMBIAN

    sBackend = "symbian";

#endif

    if (mContactManager) {

        delete mContactManager;		

    }    

    qDebug() << "createContactManager() backend " << sBackend;