/*

* Copyright (c) 2010 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: 

*

*/

// System include

#include <QDebug>

#include <hbaction.h>

#include <hbdocumentloader.h>

#include <hbapplication.h>

#include <hbicon.h>

#include <hbprogressdialog.h>

// User includes

#include "pimainwindow.h"

//#include "mcsendengine.h"

#include "pimainview.h"

#include "pisettingsview.h"

#include "generalattributes.h"

#include "piprofilerengine.h"

#include "notifications.h"

// xml definition of view

const char *PI_MAINVIEW_XML = ":/xml/pimainview.docml";

// name of the application view object in the xml file.

const char *APPLICATIONVIEW = "PIMainView";

// ViewManager Constructor

PIMainWindow::PIMainWindow(PIProfilerEngine* engine, HbDocumentLoader &loader, HbApplication *app) :

    mEngine(engine), mMainView(0), mSettingsView(0), mBackAction(0)

{

    HbProgressDialog *note = new HbProgressDialog(HbProgressDialog::WaitDialog);

    note->setAttribute(Qt::WA_DeleteOnClose);

    note->setText("Loading PI Profiler plug-ins...");

    note->open();

    // Add the views to the main window

    addMainView(loader, app);

    addSettingsView();

    // Set main view to be displayed on startup

    activateMainView();

    connect(mEngine, SIGNAL(pluginListUpdated(QList<PluginAttributes>&)), this,

        SLOT(setPluginList(QList<PluginAttributes>&)));

    QMetaObject::connectSlotsByName(this);

    mEngine->notifyUIReady();

    note->close();

}

PIMainWindow::~PIMainWindow()

{

    if (mMainView != 0) {

        delete mMainView;

        mMainView = 0;

    }

    if (mSettingsView != 0) {

        delete mSettingsView;

        mSettingsView = 0;

    }

}

// Methods to add views to the main window

void PIMainWindow::addMainView(HbDocumentLoader &loader, HbApplication *app)

{

    // Load xml-file

    bool ok = false;

    loader.load(PI_MAINVIEW_XML, &ok);

    // Load Application View:

    QGraphicsWidget *widget = loader.findWidget(APPLICATIONVIEW);

    Q_ASSERT_X(ok && (widget != 0), "PIProfiler", "Invalid docml file");

    mMainView = qobject_cast<PIMainView *> (widget);

    mMainView->init(this, app, loader, mEngine);

    // Add view to main window

    this->addView(mMainView);

}

void PIMainWindow::addSettingsView()

{

    mSettingsView = new PISettingsView(mEngine);

    mBackAction = new HbAction("back", this);

    bool value = connect(mBackAction, SIGNAL(triggered()), this, SLOT(settingsViewClosed()));

    mSettingsView->setNavigationAction(mBackAction);

    mSettingsView->navigationAction()->setIcon(HbIcon(":/gfx/enabled.svg"));

    addView(mSettingsView);

}

// Slots to handle view change

void PIMainWindow::activateMainView()

{

    setCurrentView(mMainView);

}

void PIMainWindow::activateSettingsView(int uid)

{

    if (uid != 0) {

        mSettingsView->expandPluginGroup(uid);

    }

    setCurrentView(mSettingsView);

}

void PIMainWindow::settingsViewClosed()

{

    if (currentView() == mSettingsView) {

        bool error = false;

        if (!mEngine->saveGeneralSettings(mSettingsView->getGeneralAttributes())) {

            error = true;

        }

        mSettingsView->readPluginSettings();

        for (int index = 0; index < mPluginAttributes.size(); index++) {

            if (!mEngine->savePluginSettings(mPluginAttributes.at(index))) {

                error = true;

            }

        }

        if (error) {

            Notifications::showErrorNote("Unable to save some of the settings into engine");

        }

        activateMainView();

        emit returnedFromSettings();

    }

    else {

        qWarning("Back action is not triggered at the correct view!");

    }

}

void PIMainWindow::setPluginList(QList<PluginAttributes> &pluginList)

{

    mPluginAttributes = pluginList;

    mMainView->setPluginList(&mPluginAttributes);

    mSettingsView->setPluginSettings(&mPluginAttributes);

}