/*

* 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:  CalenAgendaView implementation.

*

*/

// System includes

#include <QGraphicsSceneEvent>

#include <hbmainwindow.h>

#include <hbaction.h>

#include <hbpangesture.h>

#include <hbswipegesture.h>

#include <hbapplication.h> // hbapplication

#include <hbactivitymanager.h> // Activity Manager

// User includes

#include "calenagendaview.h"

#include "calendocloader.h"

#include "calenagendaviewwidget.h"

#include "calenservices.h"

#include "calencommon.h"

#include "calencontext.h"

#include "calendateutils.h"

#include "calenconstants.h"

// ----------------------------------------------------------------------------

// CalenAgendaView::CalenAgendaView

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

//

CalenAgendaView::CalenAgendaView(MCalenServices &services):

CalenNativeView(services),

mSoftKeyAction(NULL),

mGoToTodayAction(NULL),

mSwitchToDayViewAction(NULL),

mActionTaken(false),

mIsAboutToQuitEventConnected(false)

{

    // No implementation yet

    grabGesture(Qt::SwipeGesture);

}

// ----------------------------------------------------------------------------

// CalenAgendaView::~CalenAgendaView

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

//    

CalenAgendaView::~CalenAgendaView()

{

    // No implementation yet

}

// ----------------------------------------------------------------------------

// CalenAgendaView::setupView

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

//    

void CalenAgendaView::setupView(CalenDocLoader *docLoader)

{

    if (!docLoader) {

        // Nothing can be done. Simply return

        return;

    }

    // Store the document loader for reference later

	mDocLoader = docLoader;

	// Listen to orientation change events

	connect(&(mServices.MainWindow()), SIGNAL(orientationChanged(Qt::Orientation)),

	        this, SLOT(orientationChanged(Qt::Orientation)));

	// Get the pointer to the content widget

	mAgendaViewWidget = qobject_cast<CalenAgendaViewWidget*>(mDocLoader->findWidget(CALEN_AGENDAVIEW_WIDGET));

	if (!mAgendaViewWidget) {

	    qFatal("calenagendaview.cpp : Unable to find the content widget");

	}

	mAgendaViewWidget->setupWidget(this);

	// Initialize all the menu and toolbar actions

	setupActions();

	// get a poitner to activity manager

	HbActivityManager* activityManager = qobject_cast<HbApplication*>(qApp)->activityManager();

	// clean up any previous versions of this activity, if any, i.e. activityName, from the activity manager. 

	// Ignore return value, first boot would always return False. bool declared 

	// only for debugging purpose.

	bool ok = activityManager->removeActivity(activityName);

}

// ----------------------------------------------------------------------------

// CalenAgendaView::doPopulation

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

// 

void CalenAgendaView::doPopulation()

    {

    // The content widget has not been constructed. Don't do anything

    if (!mAgendaViewWidget) {

        return;

    }

    // Get the day for which this view is being shown from the context

    mDate = mServices.Context().focusDateAndTime();

    // Check if the current day being shown is "Today"

    if (mGoToTodayAction) {

        if (mDate.date() == CalenDateUtils::today().date()) {

            // Hide the "Go to today" option

            mGoToTodayAction->setVisible(false);

        } else {

            mGoToTodayAction->setVisible(true);

        }

    }

    // Set self as the current view

    // mServices.MainWindow().setCurrentView(this);

    // Dont override the soft key behavior if day view is the first view

    if (ECalenAgendaView != mServices.getFirstView()) {

		mSoftKeyAction = new HbAction(Hb::BackNaviAction);

		setNavigationAction(mSoftKeyAction);

		// Connect to the signal triggered by clicking on back button.

		connect(mSoftKeyAction, SIGNAL(triggered()), this,

		        SLOT(launchMonthView()));

		if (mSwitchToDayViewAction) {

			mSwitchToDayViewAction->setVisible(true);

				}

	} else {

		if (mSwitchToDayViewAction) {

			mSwitchToDayViewAction->setVisible(false);

		}

	}

    // Initialize the content widget

    mAgendaViewWidget->showWidget();

	//set Current Activity as day view

    mActivityId = ECalenAgendaView;

	// connect to receive a call back on Day View exit. Call back would result in saveActivity 

	// to be called in Native View

    if (!mIsAboutToQuitEventConnected) // check if already not connected

        {

        connect(qobject_cast<HbApplication*>(qApp), SIGNAL(aboutToQuit()), this, SLOT(saveActivity()));

		mIsAboutToQuitEventConnected = true;

        }

    // Population is complete, issue a notification

    populationComplete();

    }

/*!

 Funtion to refresh the current view upon selecting a date

 from GoToDate popup

 */

void CalenAgendaView::refreshViewOnGoToDate()

{

	// Get the day for which this view is being shown from the context

	mDate = mServices.Context().focusDateAndTime();

	// Check if the current day being shown is "Today"

	if (mGoToTodayAction) {

		if (mDate.date() == CalenDateUtils::today().date()) {

			// Hide the "Go to today" option

			mGoToTodayAction->setVisible(false);

		} else {

			mGoToTodayAction->setVisible(true);

		}

	}

	// Initialize the content widget

	mAgendaViewWidget->showWidget();

}

// ----------------------------------------------------------------------------

// CalenAgendaView::HandleNotification

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

//    

void CalenAgendaView::HandleNotification(const TCalenNotification notification)

{

    Q_UNUSED(notification)

    // No implementation yet

}

// ----------------------------------------------------------------------------

// CalenAgendaView::docLoader

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

//    

CalenDocLoader* CalenAgendaView::docLoader()

{

    return mDocLoader;

}

/*

	Function to listen for gestures

*/

void CalenAgendaView::gestureEvent(QGestureEvent *event)

{

    if(HbSwipeGesture *gesture = qobject_cast<HbSwipeGesture *>(event->gesture(Qt::SwipeGesture))) {

        if (gesture->state() == Qt::GestureStarted) {

            if(QSwipeGesture::Left == gesture->sceneHorizontalDirection()) {

                mServices.IssueCommandL(ECalenShowNextDay);

                event->accept(Qt::SwipeGesture);

            } else if(QSwipeGesture::Right == gesture->sceneHorizontalDirection()) {

                mServices.IssueCommandL(ECalenShowPrevDay);

               event->accept(Qt::SwipeGesture);

            }

        }

    } 

}

// ----------------------------------------------------------------------------

// CalenAgendaView::createToolBar

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

//

void CalenAgendaView::setupActions()

{

	// Get the actions associated with this view

	HbAction *newEventAction = qobject_cast<HbAction *>

                                (mDocLoader->findObject(CALEN_AGENDAVIEW_MENU_NEW_EVENT));

	if (!newEventAction) {

	    qFatal("calenagendaview.cpp : Unable to find new event action");

	}

	// Connect to the signal triggered by new event action

	connect(newEventAction, SIGNAL(triggered()), mAgendaViewWidget, SLOT(createNewEvent()));

	mGoToTodayAction = qobject_cast<HbAction *>

                        (mDocLoader->findObject(CALEN_AGENDAVIEW_MENU_GO_TO_TODAY));

	if (!mGoToTodayAction) {

	    qFatal("calenagendaview.cpp : Unable to find go to today action");

	}

	// Connect to the signal triggered by go to Today action

	connect(mGoToTodayAction, SIGNAL(triggered()), mAgendaViewWidget, SLOT(goToToday()));

	HbAction *goToDateAction = qobject_cast<HbAction *>

                                (mDocLoader->findObject(CALEN_AGENDAVIEW_MENU_GO_TO_DATE));

	if (!goToDateAction) {

	    qFatal("calenagendaview.cpp : Unable to find go to date action");

	}

	// Connect to the signal triggered by go to Date action

	connect(goToDateAction, SIGNAL(triggered()), this, SLOT(goToDate()));

	mSwitchToDayViewAction = qobject_cast<HbAction *>

	                                (mDocLoader->findObject(CALEN_AGENDAVIEW_MENU_SWITCH_TO_DAYVIEW));

	if (!mSwitchToDayViewAction) {

		    qFatal("calenagendaview.cpp : Unable to find go to date action");

		}

	// Connect to the signal triggered by switch to dayview action

	connect(mSwitchToDayViewAction, SIGNAL(triggered()), this, SLOT(launchDayView()));

	HbAction *settingsAction = qobject_cast<HbAction *>

                                (mDocLoader->findObject(CALEN_AGENDAVIEW_MENU_SETTINGS));

	if (!settingsAction) {

	    qFatal("calenagendaview.cpp : Unable to find settings action");

	}

	// Connect to the signal triggered by settings action

	connect(settingsAction, SIGNAL(triggered()), this, SLOT(launchSettingsView()));

}

// ----------------------------------------------------------------------------

// CalenAgendaView::onLocaleChanged

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

//    

void CalenAgendaView::onLocaleChanged(int reason)

{

    Q_UNUSED(reason)

    // Notify the content widget about the change

    if(mAgendaViewWidget) {

    mAgendaViewWidget->handleLocaleChange();

    }

}

// ----------------------------------------------------------------------------

// CalenAgendaView::orientationChanged

// Rest of the details are commented in the header

// ----------------------------------------------------------------------------

// 

void CalenAgendaView::orientationChanged(Qt::Orientation orientation)

{

    // Notify the content widget about the change

    if (mAgendaViewWidget) {

    mAgendaViewWidget->orientationChanged(orientation);

    }

}

// ----------------------------------------------------------------------------

// CalenAgendaView::launchMonthView

// ----------------------------------------------------------------------------

//    

void CalenAgendaView::launchMonthView()

{

    // Issue the command to launch the month view

    mServices.IssueCommandL(ECalenMonthView);

	// month view launched now, disconnect to get the call backs for saveActivity 

	// on aboutToQuit signal

    disconnectAboutToQuitEvent();

}

// ----------------------------------------------------------------------------

// CalenAgendaView::launchDayView

// ----------------------------------------------------------------------------

//    

void CalenAgendaView::launchDayView()

{

    // Issue the command to launch the day view

    mServices.IssueCommandL(ECalenDayView);

}

// ----------------------------------------------------------------------------

// clears the list model 

// ----------------------------------------------------------------------------

// 

void CalenAgendaView::clearListModel()

    {

	// day view is removed from the list disconnect for aboutToQuit events

    disconnectAboutToQuitEvent();

    mAgendaViewWidget->clearListModel();

    }

// ----------------------------------------------------------------------------

// disconnectAboutToQuitEvent disconnects for the aboutToQuit events

// ----------------------------------------------------------------------------

// 

void CalenAgendaView::disconnectAboutToQuitEvent()

    {

    if (mIsAboutToQuitEventConnected)

        {

        disconnect(qobject_cast<HbApplication*>(qApp), SIGNAL(aboutToQuit()), this, SLOT(saveActivity()));

        mIsAboutToQuitEventConnected = false;

        }

    }

// End of file	--Don't remove this.