/*

* Copyright (c) 2009-2010 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:

*

*/

#include <QApplication>

#include <QGraphicsProxyWidget>

// needed for localization

#include <QLocale>

#include <HbTranslator>

#include <hbmainwindow.h>

#include <afactivation.h>

#ifdef Q_OS_SYMBIAN

#include <coemain.h>

#include <eikenv.h>

#include <XQSettingsManager>

#endif // Q_OS_SYMBIAN

#include "cxeengine.h"

#include "cxecameradevicecontrol.h"

#include "cxuiapplication.h"

#include "cxuiviewmanager.h"

#include "cxuiapplicationstate.h"

#include "cxuienums.h"

#include "cxutils.h"

#include "cxuiserviceprovider.h"

#include "cxuidisplaypropertyhandler.h"

#ifdef Q_OS_SYMBIAN

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "mainTraces.h"

#endif // OST_TRACE_COMPILER_IN_USE

#endif // Q_OS_SYMBIAN

using namespace Cxe;

// CONSTANTS

const QString TRANSLATIONS_PATH = "/resource/qt/translations/";

const QString TRANSLATIONS_FILE = "camera";

int main(int argc, char *argv[])

{

    CX_DEBUG(("CxUI: entering main()"));

    OstTrace0( camerax_performance, _MAIN, "msg: e_CX_STARTUP 1" );

    Q_INIT_RESOURCE(cxui);

#ifdef Q_OS_SYMBIAN

    XQSettingsManager settingManager;

    QVariant useRasterGraphicsSystemValue =

            settingManager.readItemValue(useRasterGraphicsSystemKey,

                                         XQSettingsManager::TypeInt);

    if (useRasterGraphicsSystemValue.isNull()

        // Either there was an error reading the value or the value was

        CX_DEBUG(("CxUI: Take raster graphics system into use"));

        QApplication::setGraphicsSystem("raster");

    }

#endif

    OstTrace0( camerax_performance, DUP1__MAIN, "msg: e_CX_HBAPP_CREATION 1" );

    CxuiApplication app(argc, argv);

    OstTrace0( camerax_performance, DUP2__MAIN, "msg: e_CX_HBAPP_CREATION 0" );

    // Creating and initializing engine as early as possible.

    // Reserve and power on can then proceed in parallel with

    // ui construction.

    OstTrace0( camerax_performance, DUP7__MAIN, "msg: e_CX_CREATE_ENGINE 1" );

    CxeEngine *engine = CxeEngine::createEngine();

    OstTrace0( camerax_performance, DUP8__MAIN, "msg: e_CX_CREATE_ENGINE 0" );

    AfActivation activation;

        CX_DEBUG(("CxUI: Camera started as service"));

        // Embedded mode.  Engine is inited to correct mode

        // by service provider when request arrives

        CX_DEBUG(("CxUI: creating serviceprovider"));

        CxuiServiceProvider::create(engine);

        CX_DEBUG(("CxUI: done"));

        CX_DEBUG(("CxUI: Camera started as activity"));

        Cxe::CameraMode mode = Cxe::ImageMode;

        QString activityId = activation.name();

        if (activityId == CxuiActivityIds::VIDEO_PRECAPTURE_ACTIVITY ||

            activityId == CxuiActivityIds::VIDEO_POSTCAPTURE_ACTIVITY) {

            mode = Cxe::VideoMode;

        }

        if (activityId == CxuiActivityIds::STILL_PRECAPTURE_ACTIVITY ||

            activityId == CxuiActivityIds::VIDEO_PRECAPTURE_ACTIVITY) {

            // init engine only if going to pre-capture

            engine->initMode(mode);

        } else {

            // in post-capture don't init but set the correct mode to engine

            // so init can be done later

            engine->setMode(mode);

        }

    } else {

        CX_DEBUG(("CxUI: Camera started as normal app"));

        // normal start

        engine->initMode(engine->mode());

    }

    // Load language specific application localization file, e.g. "camera_en.qm"

    // Translations need to be loaded before any widgets are created.

    CX_DEBUG(("CxUI: Load translations.."));

    OstTrace0( camerax_performance, DUP3__MAIN, "msg: e_CX_LOAD_TRANSLATIONS 1" );

    HbTranslator translator(TRANSLATIONS_PATH, TRANSLATIONS_FILE);

    // Load language specific common localization file

    translator.loadCommon();

    OstTrace0( camerax_performance, DUP4__MAIN, "msg: e_CX_LOAD_TRANSLATIONS 0" );

    CX_DEBUG(("CxUI: ..translations loaded"));

    // Create main window

    OstTrace0( camerax_performance, DUP5__MAIN, "msg: e_CX_MAINWINDOW_CREATION 1" );

    HbMainWindow *mainWindow = new HbMainWindow(0, Hb::WindowFlagTransparent | Hb::WindowFlagNoBackground);

    mainWindow->setAttribute(Qt::WA_NoBackground);

    OstTrace0( camerax_performance, DUP6__MAIN, "msg: e_CX_MAINWINDOW_CREATION 0" );

    // Set main window to landscape and full screen

    OstTrace0( camerax_performance, DUP13__MAIN, "msg: e_CX_MAINWINDOW_SETORIENTATION 1" );

    mainWindow->setOrientation(Qt::Horizontal);

    OstTrace0( camerax_performance, DUP14__MAIN, "msg: e_CX_MAINWINDOW_SETORIENTATION 0" );

    OstTrace0( camerax_performance, DUP15__MAIN, "msg: e_CX_MAINWINDOW_FULLSCREEN 1" );

#ifdef Q_OS_SYMBIAN

    mainWindow->showFullScreen();

#else

    /*

     * todo : check if this is an Orbit bug or if there's a better solution

    */

    mainWindow->resize(640, 360);

    mainWindow->setOrientation(Qt::Vertical, false);

    mainWindow->show();

    mainWindow->setOrientation(Qt::Horizontal, false);

#endif //Q_OS_SYMBIAN

    OstTrace0( camerax_performance, DUP16__MAIN, "msg: e_CX_MAINWINDOW_FULLSCREEN 0" );

    // Create view manager

    OstTrace0( camerax_performance, DUP11__MAIN, "msg: e_CX_CREATE_VIEW_MANAGER 1" );

    CxuiViewManager *viewManager = new CxuiViewManager(app, *mainWindow, *engine);

    OstTrace0( camerax_performance, DUP12__MAIN, "msg: e_CX_CREATE_VIEW_MANAGER 0" );

    // Give main window id to engine for setting up viewfinder window behind it

    OstTrace0( camerax_performance, DUP17__MAIN, "msg: e_CX_PREPAREWINDOW 1" );

    engine->viewfinderControl().setWindow(mainWindow->effectiveWinId());

    OstTrace0( camerax_performance, DUP18__MAIN, "msg: e_CX_PREPAREWINDOW 0" );

    // connect display handler to vf state changes

    CxuiDisplayPropertyHandler displayHandler;

    QObject::connect(&engine->viewfinderControl(), SIGNAL(stateChanged(CxeViewfinderControl::State, CxeError::Id)),

                     &displayHandler, SLOT(handleVfStateChanged(CxeViewfinderControl::State, CxeError::Id)));

    int returnValue = app.exec();

    delete viewManager;

	viewManager = NULL;

    CxuiServiceProvider::destroy(); // delete service provider instance

    engine->cameraDeviceControl().release();

    delete mainWindow;

	mainWindow = NULL;

    delete engine;

	engine = NULL;

    return returnValue;

}