/*

* 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 <QGraphicsSceneMouseEvent>

#include <QCoreApplication>

#include <hbfeedbackmanager.h>

#include "cxuisettingbutton.h"

#include "cxuisettingbuttoncontainer.h"

#include "cxutils.h"

CxuiSettingButtonContainer::CxuiSettingButtonContainer(QGraphicsItem *parent)

: HbWidget(parent), mListCreated(false), mPressedDownButton(NULL), mPreviouslyPressedDownButton(NULL)

{

}

void CxuiSettingButtonContainer::handleButtonPress()

{

    CX_DEBUG_ENTER_FUNCTION();

    grabMouse();

    if (!mListCreated){

        QList<QGraphicsItem*> buttons = this->childItems();

        CxuiSettingButton *button;

        foreach(QGraphicsItem *item, buttons){

            button = static_cast<CxuiSettingButton*>(item);

            mButtons.append(button);

        }

        mListCreated = true;

    }

    // find the pressed item

    foreach (CxuiSettingButton* button , mButtons) {

        if (button->isDown()) {

            mPressedDownButton = button;

            break;

        }

    }

    CX_DEBUG_EXIT_FUNCTION();

}

void CxuiSettingButtonContainer::mouseMoveEvent(QGraphicsSceneMouseEvent *event)

{

    if (boundingRect().contains(event->pos())) {

        // moving inside the tool bar

        if (!mPressedDownButton || !mPressedDownButton->geometry().contains(event->pos())) {

            if (mPressedDownButton) {

                // lift it up and try to find some other button

                mPressedDownButton->setDown(false);

                mPreviouslyPressedDownButton = mPressedDownButton;

                mPressedDownButton = 0;

            }

            // Find the pressed button

            foreach (CxuiSettingButton* button, mButtons) {

                if (button->geometry().contains(event->pos())) {

                    mPressedDownButton = button;

                    button->setDown(true);

                    button->setSetting();

                    HbFeedbackManager* feedback = HbFeedbackManager::instance();

                    CX_ASSERT_ALWAYS(feedback != NULL);

                    feedback->triggered(button, Hb::InstantDraggedOver);

                    break;

                }

            }

        }

    } else {

        // moving outside the tool bar

        // if a button is pressed down, lift it.

        if (mPressedDownButton) {

            mPressedDownButton->setDown(false);

            mPressedDownButton = 0;

            mPreviouslyPressedDownButton = mPressedDownButton;

        }

    }

}

void CxuiSettingButtonContainer::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)

{

    Q_UNUSED(event);

    ungrabMouse();

    if (mPressedDownButton

        && !mPreviouslyPressedDownButton) {

        // Convert event's scene position to item's coordinate system.

        event->setPos(mPressedDownButton->mapFromScene(event->scenePos()));

        QCoreApplication::sendEvent(mPressedDownButton, event);

        mPressedDownButton = 0;

        emit buttonReleased();

    } else if (mPressedDownButton) {

        mPressedDownButton->setDown(false);

        emit buttonReleased();

    } else

    mPreviouslyPressedDownButton = 0;

}