/*

* 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 "activitylauncherview.h"

#include <QGraphicsLinearLayout>

#include <QStandardItemModel>

#include <QProcess>

#include <qservicemanager.h>

#include <hblabel.h>

#include <hbapplication.h>

#include <hbpushbutton.h>

#include <hbgridview.h>

#include <hsactivitydbclientinterface.h>

QTM_USE_NAMESPACE

ActivityLauncherView::ActivityLauncherView(QGraphicsItem *parent) : HbView(parent), mModel(NULL), mActivityManager(NULL)

{

    QServiceManager serviceManager;

    mActivityManager = serviceManager.loadInterface("com.nokia.qt.activities.ActivityManager");

    if (!mActivityManager) {

        qFatal("Cannot initialize critical com.nokia.qt.activities.ActivityManager service");

    }

    // create UI

    setTitle(tr("Activity launcher"));

    QGraphicsLinearLayout* layout = new QGraphicsLinearLayout(Qt::Vertical);

    QGraphicsLinearLayout* statusLayout = new QGraphicsLinearLayout(Qt::Horizontal);

    mStatusLabel = new HbLabel(this);

    mStatusLabel->setAlignment(Qt::AlignLeft);

    statusLayout->setMaximumHeight(15);

    HbLabel* statusHeader = new HbLabel("Status: ");

    statusHeader->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);

    statusLayout->addItem(statusHeader);

    statusLayout->addItem(mStatusLabel);

    HbGridView* activities = new HbGridView();

    connect(activities, SIGNAL(activated(QModelIndex)), this, SLOT(itemPressed(QModelIndex)));

    activities->setRowCount(1);

    activities->setColumnCount(1);

    activities->setScrollDirections(Qt::Horizontal);

    mModel = new QStandardItemModel(this);

    activities->setModel(mModel);

    layout->addItem(statusLayout);

    layout->addItem(activities);

    setLayout(layout);

    qApp->installEventFilter(this);

    getActivitiesList();

}

ActivityLauncherView::~ActivityLauncherView()

{

	delete mActivityManager;

}

void ActivityLauncherView::getActivitiesList()

{

    mStatusLabel->setPlainText("Fetching activities");

    mCurrentActivities.clear();

    QMetaObject::invokeMethod(mActivityManager, "activitiesList", Q_RETURN_ARG(QList<QVariantHash>, mCurrentActivities));

    mModel->clear();

    foreach(const QVariantHash& activityEntry, mCurrentActivities) {

        QStandardItem* newItem = new QStandardItem(QIcon(activityEntry.value("screenshot").value<QPixmap>()), QString("%1").arg(activityEntry.value(ActivityActivityKeyword).toInt()));

        mModel->invisibleRootItem()->appendRow(newItem);

    }

    mStatusLabel->setPlainText(QString("Ready (%1 activities)").arg(mCurrentActivities.count()));

}

bool ActivityLauncherView::eventFilter(QObject* obj, QEvent* event)

{

    if (event->type() == QEvent::ApplicationActivate) {

        getActivitiesList();

    }

    return QObject::eventFilter(obj, event);

}

void ActivityLauncherView::itemPressed(const QModelIndex& index)

{

    QVariantHash activity = mCurrentActivities.at(index.row());

    int applicationId = activity.value(ActivityApplicationKeyword).toInt();

    QString activityName = activity.value(ActivityActivityKeyword).toString();

    QMetaObject::invokeMethod(mActivityManager, "launchActivity", Q_ARG(int, applicationId), Q_ARG(QString, activityName));

}