/*

* 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:  This class is the base class of all Calendar views.

 *

 */

// system includes

#include <QtGui>

#include <hbwidget.h>

#include <hblabel.h>

#include <hbaction.h>

#include <hbdialog.h>

#include <hbmainwindow.h>

#include <hbdatetimepicker.h>

#include <vwsdef.h>

#include <hbactivitymanager.h> //Activity Manager

#include <hbapplication.h> //hbapplication

//user includes

#include <CalenUid.h>

#include "calennativeview.h"

#include "calenservices.h"

#include "calencontext.h"

#include "calensettingsview.h"

#include "calendateutils.h"

#include "calenconstants.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "calennativeviewTraces.h"

#endif

/*!

 \class CalenNativeView

 Base class for all calendar views

 */

/*!

 Default constructor.

 */

CalenNativeView::CalenNativeView(MCalenServices &services) :

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_CALENNATIVEVIEW_ENTRY );

	setTitle(hbTrId("txt_calendar_title_calendar"));

	// Create services API and register for notifications

	RArray<TCalenNotification> notificationArray;

	CleanupClosePushL(notificationArray);

	notificationArray.Append(ECalenNotifySystemTimeChanged);

	notificationArray.Append(ECalenNotifySystemLocaleChanged);

	notificationArray.Append(ECalenNotifyContextChanged);

	mServices.RegisterForNotificationsL(this, notificationArray);

	CleanupStack::PopAndDestroy(&notificationArray);

	OstTraceFunctionExit0( CALENNATIVEVIEW_CALENNATIVEVIEW_EXIT );

}

/*!

 Destructor

 */

CalenNativeView::~CalenNativeView()

{

    OstTraceFunctionEntry0( DUP1_CALENNATIVEVIEW_CALENNATIVEVIEW_ENTRY );

    OstTraceFunctionExit0( DUP1_CALENNATIVEVIEW_CALENNATIVEVIEW_EXIT );

}

/*!

 Issues populcaiton complete to the framework

 */

void CalenNativeView::populationComplete()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_POPULATIONCOMPLETE_ENTRY );

	// Population is complete, issue the notification

	mServices.IssueNotificationL(ECalenNotifyViewPopulationComplete);

	OstTraceFunctionExit0( CALENNATIVEVIEW_POPULATIONCOMPLETE_EXIT );

}

/*!

 Slot for delete before date

 */

void CalenNativeView::deleteBeforeDate()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_DELETEBEFOREDATE_ENTRY );

	mServices.IssueCommandL(ECalenDeleteEntriesBeforeDate);

	OstTraceFunctionExit0( CALENNATIVEVIEW_DELETEBEFOREDATE_EXIT );

}

/*!

 Slot for delete all entries

 */

void CalenNativeView::deleteAllEntries()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_DELETEALLENTRIES_ENTRY );

	mServices.IssueCommandL(ECalenDeleteAllEntries);

	OstTraceFunctionExit0( CALENNATIVEVIEW_DELETEALLENTRIES_EXIT );

}

/*!

 Slot to handle gotodate

 */

void CalenNativeView::goToDate()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_GOTODATE_ENTRY );

	// Create a popup with datepicker for the user to select date.

	HbDialog *popUp = new HbDialog();

	popUp->setDismissPolicy(HbDialog::NoDismiss);

	popUp->setTimeout(HbDialog::NoTimeout);

	popUp->setAttribute( Qt::WA_DeleteOnClose, true );

	popUp->setHeadingWidget(new HbLabel(hbTrId("txt_calendar_opt_go_to_date")));

	if(mDatePicker) {

		mDatePicker = NULL;

	}

	mDatePicker = new HbDateTimePicker(QDate::currentDate(), popUp);

	// Set the date range.

	mDatePicker->setMinimumDate(CalenDateUtils::minTime().date());

	mDatePicker->setMaximumDate(CalenDateUtils::maxTime().date());

	mDatePicker->setDate(QDate::currentDate());

	popUp->setContentWidget(mDatePicker);

	HbAction *okAction = new HbAction(hbTrId("txt_common_button_ok"));

	popUp->addAction(okAction);

	connect(okAction, SIGNAL(triggered()), this, SLOT(goToSelectedDate()));

	popUp->addAction(new HbAction(hbTrId("txt_common_button_cancel"), popUp));

	popUp->open();

	OstTraceFunctionExit0( CALENNATIVEVIEW_GOTODATE_EXIT );

}

/*

 Slot to handle date selected on gotodate popup

 */

void CalenNativeView::goToSelectedDate()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_GOTOSELECTEDDATE_ENTRY );

	QDate selectedDate = mDatePicker->date();

	// Check if the selected date is within the range.

	if (selectedDate.isValid() &&

	        selectedDate >= CalenDateUtils::minTime().date() &&

	        selectedDate <= CalenDateUtils::maxTime().date()) {

		MCalenContext& context = mServices.Context();

		QDateTime contextDate = context.focusDateAndTime();

		//Set the selected date to contextDate.

		contextDate.setDate(selectedDate);

		context.setFocusDateAndTime(contextDate);

	}

	refreshViewOnGoToDate();

	OstTraceFunctionExit0( CALENNATIVEVIEW_GOTOSELECTEDDATE_EXIT );

}

/*!

 Virtual function to refresh the current view upon selecting a date

 from GoToDate popup

 */

void CalenNativeView::refreshViewOnGoToDate()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_REFRESHVIEWONGOTODATE_ENTRY );

	mServices.IssueCommandL(ECalenStartActiveStep);

	OstTraceFunctionExit0( CALENNATIVEVIEW_REFRESHVIEWONGOTODATE_EXIT );

}

/*!

 Slot to handle setting item in options menu

 */

void CalenNativeView::launchSettingsView()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_LAUNCHSETTINGSVIEW_ENTRY );

	mServices.IssueCommandL(ECalenShowSettings);

	OstTraceFunctionExit0( CALENNATIVEVIEW_LAUNCHSETTINGSVIEW_EXIT );

}

/*!

 Slot to handle to orientation change

 */

void CalenNativeView::changeOrientation(Qt::Orientation orientation)

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_CHANGEORIENTATION_ENTRY );

    Q_UNUSED(orientation);

    // Nothing, derived classes will implement it

    OstTraceFunctionExit0( CALENNATIVEVIEW_CHANGEORIENTATION_EXIT );

}

/*!

 Handles the interested notifications from the calendar framework

 */

void CalenNativeView::HandleNotification(const TCalenNotification notification)

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_HANDLENOTIFICATION_ENTRY );

	switch (notification) {

		case ECalenNotifySystemLocaleChanged: {

			onLocaleChanged(EChangesLocale);

		}

		case ECalenNotifyContextChanged: {

			onContextChanged();

		}

		break;

		default:

			break;

	}

	OstTraceFunctionExit0( CALENNATIVEVIEW_HANDLENOTIFICATION_EXIT );

}

/*!

 Returns true if plugin is loaded

 */

TBool CalenNativeView::pluginEnabled()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_PLUGINENABLED_ENTRY );

	QString *pluginInfo = mServices.InfobarTextL();

	if (!pluginInfo) {

		OstTraceFunctionExit0( CALENNATIVEVIEW_PLUGINENABLED_EXIT );

		return false;

	} else {

		OstTraceFunctionExit0( DUP1_CALENNATIVEVIEW_PLUGINENABLED_EXIT );

		return true;

	}

}

QString *CalenNativeView::pluginText()

{

    OstTraceFunctionEntry0( CALENNATIVEVIEW_PLUGINTEXT_ENTRY );

    OstTraceFunctionExit0( CALENNATIVEVIEW_PLUGINTEXT_EXIT );

	return mServices.InfobarTextL();

}

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

// captureScreenshot caltures screen shot for the given viewId

// @param viewId view for which screenshot needs to be captured

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

// 

void CalenNativeView::captureScreenshot(bool captureScreenShot)

    {

    OstTraceFunctionEntry0( CALENNATIVEVIEW_CAPTURESCREENSHOT_ENTRY );

    // get a screenshot for saving to the activity manager. It's done for once

    // to optimize the performance

    if (captureScreenShot) {

        mScreenShotMetadata.clear(); // remove any screenshot captured earlier

        mScreenShotMetadata.insert("screenshot", QPixmap::grabWidget(mainWindow(), mainWindow()->rect()));

        }

    mIsCapturedScreenShotValid = captureScreenShot; // set the validity of the screenshot captured

    OstTraceFunctionExit0( CALENNATIVEVIEW_CAPTURESCREENSHOT_EXIT );

    }

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

// saveActivity saves the activity for current view

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

// 

void CalenNativeView::saveActivity()

 {

   OstTraceFunctionEntry0( CALENNATIVEVIEW_SAVEACTIVITY_ENTRY );

   // Get a pointer to activity manager 

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

   // check if alerady a valid screen shot is captured

   if (!mIsCapturedScreenShotValid) {

       mScreenShotMetadata.clear(); // remove any screenshot captured earlier

       mScreenShotMetadata.insert("screenshot", QPixmap::grabWidget(mainWindow(), mainWindow()->rect()));

       }

   // Save any data necessary to save the state

   QByteArray serializedActivity;

   QDataStream stream(&serializedActivity, QIODevice::WriteOnly | QIODevice::Append);

   stream << mActivityId;

   bool ok(false);

   // Save activity

   ok = activityManager->addActivity(activityName, serializedActivity, mScreenShotMetadata);

   // Check is activity saved sucessfully

   if ( !ok )  {

       qFatal("Add failed" ); // Panic is activity is not saved successfully

       }

   OstTraceFunctionExit0( CALENNATIVEVIEW_SAVEACTIVITY_EXIT );

 }

//End Of File