/*

 * 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 <QStringListModel>

#include "memspykernelobjecttypeview.h"

#include "viewmanager.h"

MemSpyKernelObjectTypeModel::MemSpyKernelObjectTypeModel(EngineWrapper &engine, QObject *parent) :

	QAbstractListModel(parent),

	mObjectTypes(engine.getKernelObjectTypes())

{

    mKernelObjectNames << "Threads" << "Processes" << "Chunks" << "Libraries" <<

        "Semaphores" << "Mutexes" << "Timers" << "Servers" << "Sessions" << "Logical Devices" <<

        "Physical Devices" << "Logical Channels" << "Change Notifiers" << "Undertakers" <<

        "Message Queues" << "Property Refs." << "Conditional Vars.";

}

MemSpyKernelObjectTypeModel::~MemSpyKernelObjectTypeModel()

{

	qDeleteAll(mObjectTypes);

}

int MemSpyKernelObjectTypeModel::rowCount(const QModelIndex &parent) const

{

	Q_UNUSED(parent);

	return mObjectTypes.count();

}

QVariant MemSpyKernelObjectTypeModel::data(const QModelIndex &index, int role) const

{

	if (role == Qt::DisplayRole) {

		QStringList lines;

		lines << mKernelObjectNames.at(index.row());

		lines << QString("%1, %2").

			arg(tr("%n item(s)", "", mObjectTypes.at(index.row())->count())).

			arg(formatSize(mObjectTypes.at(index.row())->size()));

		return lines;

	}

	if (role == Qt::UserRole)

		return mObjectTypes.at(index.row())->id();

	return QVariant();

}

QString MemSpyKernelObjectTypeModel::formatSize(qint64 size) const

{

	// If < 1000K

	if  (size < 1024000)

		return QString("%1K").arg(size ? qBound<int>(1, (size + 512) >> 10, 999) : 0);

	// larger than 1M

	double sizeInM = size / 1048576.;

	return sizeInM >= 1000 ?

		QString("%1G").arg(qMax<double>(1, sizeInM / 1024), 0, 'f', 1) :

		QString("%1M").arg(qBound<double>(1, sizeInM, 999.9), 0, 'f', 1);

}

void MemSpyKernelObjectTypeView::initialize(const QVariantMap& params)

{

	setTitle(tr("Kernel Objects"));

	MemSpyView::initialize(params);

	mListView.setModel(new MemSpyKernelObjectTypeModel(mEngine, this));

	connect(&mListView, SIGNAL(activated(QModelIndex)), this, SLOT(itemClicked(QModelIndex)));

}

void MemSpyKernelObjectTypeView::itemClicked(const QModelIndex& index)

{

	QVariantMap map;

	map.insert("type", index.row());

    mViewManager.showView(KernelObjectView, map);

}