/*

* 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 "tspresentation.h"

#include <hbinstance.h>

#include <hbview.h>

#include <hbdialog.h>

#include "tstasksgrid.h"

#include "tstasksgriditem.h"

#include "tstaskpopuphandler.h"

// FIXME: workaround for Orbit bug: not moving to foreground after QWidget::activateWindow();

#ifdef Q_OS_SYMBIAN

#include <APGTASK.H>

#include <eikenv.h>

#endif    

TsPresentation::TsPresentation(QObject *parent) : TsPresentationInterface(parent), mDialog(NULL), mGrid(NULL)

{

    HbMainWindow *mainWindow = HbInstance::instance()->allMainWindows().first();

    // load layout from XML

    bool ok(true);

    mLoader.load(":/xml/resource/layout.docml", &ok);

    Q_ASSERT(ok);

    loadOrientationSpecificLayoutData(mainWindow->orientation());

    // get all items

    HbView *view = qobject_cast<HbView*>(mLoader.findWidget("view"));

    mGrid = qobject_cast<TsTasksGrid*>(mLoader.findWidget("taskgrid"));

    mDialog = qobject_cast<HbDialog*>(mLoader.findWidget("dialog"));

    Q_ASSERT(view);

    Q_ASSERT(mGrid);

    Q_ASSERT(mDialog);

    mGrid->setItemPrototype(new TsTasksGridItem());

    // forward grid signals

    connect(mGrid, SIGNAL(activated(QModelIndex)), this, SIGNAL(openApplication(QModelIndex)));

    connect(mGrid, SIGNAL(activated(QModelIndex)), this, SIGNAL(hideTaskSwitcher()));

    qRegisterMetaType<QModelIndex>("QModelIndex");

    connect(mGrid, SIGNAL(deleteButtonClicked(QModelIndex)), this, SIGNAL(closeApplication(QModelIndex)), Qt::QueuedConnection);

    // task popup

    TsTaskPopupHandler *popupHandler = new TsTaskPopupHandler(this);

    connect(mGrid, SIGNAL(longPressed(HbAbstractViewItem*, QPointF)), popupHandler, SLOT(showTaskPopup(HbAbstractViewItem*, QPointF)));

    connect(popupHandler, SIGNAL(closeTask(QModelIndex)), this, SIGNAL(closeApplication(QModelIndex)),Qt::QueuedConnection);

    connect(popupHandler, SIGNAL(closeAllTasks()), this, SIGNAL(closeAllApplications()));

    // dismiss

    connect(mDialog, SIGNAL(aboutToHide()), this, SIGNAL(hideTaskSwitcher()));

    // orientation change handling

    connect(mainWindow, SIGNAL(orientationChanged(Qt::Orientation)), this, SLOT(loadOrientationSpecificLayoutData(Qt::Orientation)));

    mainWindow->addView(view);

}

void TsPresentation::setModel(QAbstractItemModel *model)

{

    mGrid->setModel(model);

}

void TsPresentation::hide()

{

    mDialog->hide();

    HbInstance::instance()->allMainWindows().first()->hide();

}

void TsPresentation::show()

{

    HbMainWindow *window = HbInstance::instance()->allMainWindows().first();

    window->show();

    window->activateWindow();

#ifdef Q_OS_SYMBIAN

    // FIXME: workaround for Orbit bug: not moving to foreground after QWidget::activateWindow();

    TApaTaskList taskList(CEikonEnv::Static()->WsSession());

    TApaTask task = taskList.FindApp(RProcess().Type()[2]);

    if (task.Exists()) {

        task.BringToForeground();

    } else {

        qWarning("Can't bring TaskSwitcher to foreground: task not found");

    }    

#endif    

    mDialog->show();

}

void TsPresentation::loadOrientationSpecificLayoutData(Qt::Orientation orientation)

{

    bool ok(true);

    if (orientation == Qt::Horizontal) {

        mLoader.load(":/xml/resource/layout.docml", "landscape", &ok);

    } else {

        mLoader.load(":/xml/resource/layout.docml", "portrait", &ok);

    }

    Q_ASSERT(ok);

}