/*

* 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:

* Definition file for class ClockViewManager.

*

*/

// System includes

#include <HbMainWindow>

#include <HbInstance>

// User includes

#include "clockviewmanager.h"

#include "clockdocloader.h"

#include "clockmainview.h"

#include "clockcommon.h"

#include "clockdatatypes.h"

#include "clockworldview.h"

/*!

	\class ClockViewManager

	This is the heart of the clock application. This is responsible for

	managing the clock views.

 */

/*!

	Constructor.

	\param controller A reference to the object of ClockAppController.

 */

ClockViewManager::ClockViewManager(

		ClockAppControllerIf &controllerIf, QObject *parent)

:QObject(parent),

 mAppControllerIf(controllerIf),

 mWorldClockView(0)

{

    // Activity Reason from Activity Manager

    int activityReason = qobject_cast<HbApplication*>(qApp)->activateReason();

    if (Hb::ActivationReasonActivity == activityReason) {

        // Application is started from an activity

		// extract activity data

        QVariant data = qobject_cast<HbApplication*>(qApp)->activateData();

        // restore state from activity data

        QByteArray serializedModel = data.toByteArray();

        QDataStream stream(&serializedModel, QIODevice::ReadOnly);

        int activityId;

        stream >> activityId;

        if (MainView == activityId) {

            // Load the main view at the start up.

            loadMainView();

			// Delay loading of other views till main view is loaded.

        	HbMainWindow *window = hbInstance->allMainWindows().first();

        	connect(

                window, SIGNAL(viewReady()),

                this, SLOT(loadOtherViews()));

        }

        else if (WorldClock == activityId) {

            //no implentation yet, UI specs are not clear

        }

    }

    else {

        // Load the main view at the start up.

        loadMainView();

        // Delay loading of other views till main view is loaded.

        HbMainWindow *window = hbInstance->allMainWindows().first();

        connect(

                window, SIGNAL(viewReady()),

                this, SLOT(loadOtherViews()));

    }

}

/*!

	Destructor.

 */

ClockViewManager::~ClockViewManager()

{

	// No implementation yet.

}

/*!

	Switches to view specified by view.

	\param view View Id.

 */

void ClockViewManager::showView(ClockViews view)

{

	HbMainWindow *window = hbInstance->allMainWindows().first();

	switch (view) {

		case MainView:

		    // set captured screenshot as invalid as main view 

			// is the current view

		    mMainView->captureScreenShot(false);

			window->removeView(window->currentView());

			window->addView(mMainView);

			window->setCurrentView(mMainView);

			break;

		case WorldClock:

		    if (mMainView) {

				// capture main view as the screenshot for future use 

				// to save the main view as an activity, if application is 

				// exited/Quit from world view

                mMainView->captureScreenShot(true);

		    }

			window->removeView(window->currentView());

			window->addView(mWorldClockView);

			window->setCurrentView(mWorldClockView);

			break;

		default:

			break;

	}

}

/*!

	Loads the clock main view.

 */

void ClockViewManager::loadMainView()

{

	bool loadSuccess;

	// Construct the document loader instance

	ClockDocLoader *docLoader = new ClockDocLoader();

	// Load the application xml.

	docLoader->load(CLOCK_MAIN_VIEW_DOCML, &loadSuccess);

	// Find the main view.

	mMainView = static_cast<ClockMainView *> (

			docLoader->findWidget(CLOCK_MAIN_VIEW));

	// Setup the view.

	mMainView->setupView(mAppControllerIf, docLoader);

	// Set the main view to the window

	hbInstance->allMainWindows().first()->addView(mMainView);

}

/*!

	Loads the world clock view.

 */

void ClockViewManager::loadWorldClockView()

{

	// Construct the document loader instance

	ClockDocLoader *docLoader = new ClockDocLoader();

	bool loadSuccess;

	// Construct the world list view from doc loader.

	docLoader->load(CLOCK_WORLD_VIEW_DOCML, &loadSuccess);

	// Get the world list view.

	mWorldClockView = static_cast<ClockWorldView *> (

			docLoader->findWidget(CLOCK_WORLD_VIEW));

	mWorldClockView->setupView(mAppControllerIf, docLoader);

}

/*!

	Load other views

 */

void ClockViewManager::loadOtherViews()

{

	mMainView->setupAfterViewReady();

	// Load world clock view

	loadWorldClockView();

	// Disconnect the signal viewReady as all the views are loaded.

	HbMainWindow *window = hbInstance->allMainWindows().first();

	disconnect(

			window, SIGNAL(viewReady()),

			this, SLOT(loadOtherViews()));

}

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