/*

 * 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 <HbMainWindow>

#include <HbAction>

#include <HbMessageBox>

#include <HbLabel>

#include "viewmanager.h"

#include "enginewrapper.h"

#include "memspyview.h"

#include "memspymainview.h"

#include "memspyprocessview.h"

#include "memspythreadview.h"

#include "memspythreaddetailindexview.h"

#include "memspythreaddetailview.h"

#include "memspykernelobjecttypeview.h"

#include "memspykernelobjectview.h"

#include "memspykernelobjectdetailview.h"

#include "memspytrackingview.h"

#include "memspyswmtview.h"

#include "memspyheapdumpsview.h"

template <typename T>

static MemSpyView* factory(EngineWrapper &engine, ViewManager &viewManager)

{

	return new T(engine, viewManager);

}

// This array needs to be in sync with view enum

MemSpyView* (*sFactories[])(EngineWrapper&, ViewManager&) = { 

	&factory<MemSpyMainView>,

	&factory<MemSpyProcessView>,

	&factory<MemSpyThreadView>,

	&factory<MemSpyThreadDetailIndexView>,

	&factory<MemSpyThreadDetailView>,

	&factory<MemSpyKernelObjectTypeView>,

	&factory<MemSpyKernelObjectView>,

	&factory<MemSpyKernelObjectDetailView>,

	&factory<MemSpyTrackingView>,

	&factory<MemSpySwmtView>,

	&factory<MemSpyHeapDumpsView>

};

ViewManager::ViewManager(HbMainWindow &window, EngineWrapper &engine, QObject *parent) :

	QObject(parent),

	mWindow(window),

	mEngine(engine)

{

	connect(&mWindow, SIGNAL(currentViewChanged(HbView *)), this, SLOT(viewChanged(HbView *)));

}

void ViewManager::showView(ViewIndex viewIndex, const QVariantMap &params)

{

    MemSpyView* view;

    try {

        view = sFactories[viewIndex](mEngine, *this);

        view->initialize(params);

    }

    catch (std::exception& ex)

    {

        // show message box with exception

        // TODO: qt_symbian_exception2Error shouldn't probably be here

        QString error = tr("An error occured during the operation. Error code: %1").arg(

                qt_symbian_exception2Error(ex));

        HbMessageBox *messageBox = new HbMessageBox(HbMessageBox::MessageTypeWarning);

        messageBox->setText(error);

        HbLabel *header = new HbLabel(tr("Error"), messageBox);

        messageBox->setHeadingWidget(header);

        messageBox->setAttribute(Qt::WA_DeleteOnClose);

        messageBox->setTimeout(HbPopup::StandardTimeout);

        messageBox->open();

        delete view;

        return;

    }

	if (viewIndex != MainView) {

		HbAction* action = new HbAction(Hb::BackNaviAction, this);

		connect(action, SIGNAL(triggered()), this, SLOT(goBack()));

		view->setNavigationAction(action);

	}

	mWindow.addView(view);

	mWindow.setCurrentView(view);

}

void ViewManager::showView(ViewIndex viewIndex)

{

	showView(viewIndex, QVariantMap());

}

void ViewManager::goBack()

{

	const QList<HbView*> views = mWindow.views();

	int index = views.indexOf(mWindow.currentView());

	mWindow.setCurrentView(views.at(index-1), true, Hb::ViewSwitchUseBackAnim);

}

void ViewManager::viewChanged(HbView *view)

{

	const QList<HbView*> views = mWindow.views();

	int index = views.indexOf(view);

	for (int i=views.count()-1; i>index; i--)

		mWindow.removeView(views.at(i));

}